2024 |
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| M. Anuschek, T.K. Vilhelmsen, J.A. Zeitler, J. Rantanen, THz-TDS transflection measurements as a process analyser for tablet mass, International Journal of Pharmaceutics, 124750, doi:10.1016/j.ijpharm.2024.124750 (2024). | |
| Y. Bedulho das Lages, N. Milanino, J. Verin, J.F. Willart, F. Danede, C. Vincent, P. Bawuah, J.A. Zeitler, F. Siepmann, J. Siepmann, EVA implants for controlled drug delivery to the inner ear, International Journal of Pharmaceutics: X, 100271, doi:10.1016/j.ijpx.2024.100271 (2024). | |
| M. Anuschek, A.L. Skelbæk-Pedersen, E.Skibsted, T.K. Vilhelmsen, J.A. Zeitler and J. Rantanen, THz-TDS as a PAT tool for monitoring blend homogeneity in pharmaceutical manufacturing of solid oral dosage forms: a proof-of-concept study, International Journal of Pharmaceutics, 662, 124534, doi:10.1016/j.ijpharm.2024.124534 (2024). | |
| M. Ma, D. Powell, M. Nassar, J. Teckoe, D. Markl and J.A. Zeitler, Impact of immediate release film coating on the disintegration process of tablets, Journal of Controlled Release, 373, 533-546, doi:10.1016/j.jconrel.2024.07.037 (2024). | |
| J. Kölbel, M.T. Ruggiero, S. Keren, N. Benshalom, O. Yaffe, J.A. Zeitler and D. Mittleman, Is ortho-terphenyl a rigid glass former? The Journal of Physical Chemistry Letters, 15, 27, 7020-7027, doi:10.1021/acs.jpclett.4c01217 (2024). | |
| J. Lee, D.J. Goodwin, R.M. Dhenge, J. Nassar and J.A. Zeitler, Calorimetric investigation on heat release during the disintegration process of pharmaceutical tablets, International Journal of Pharmaceutics, 124315, doi:10.1016/j.ijpharm.2024.124315 (2024). | |
| J. Kölbel, M. Anuschek, I. Stelzl, S. Santitewagun, W Friess and J.A. Zeitler, The dynamical transition in dehydrated proteins, The Journal of Physical Chemistry Letters, 3581-3590, doi:10.1021/acs.jpclett.3c03584 (2024). | |
| L.A. Lefol, P. Bawuah, J.A. Zeitler, J. Verin, F. Danede, J.F. Willart, F. Siepmann, J. Siepmann, Drug release from PLGA microparticles can be slowed down by a surrounding hydrogel, International Journal of Pharmaceutics X, 6, 100220, doi:10.1016/j.ijpx.2023.100220 (2024). | |
| M. Al-Sharabi, D. Markl, V. Vivacqua, P. Bawuah, N. MacLean, A.P.E. York and J.A. Zeitler, Investigating the effect of sintering rate and solvent type on the liquid transport kinetics of α-alumina powder compacts, Chemical Engineering Science, 284, 119414, doi:10.1016/j.ces.2023.119414 (2024). | |
2023 |
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| M. Anuschek, T.K. Vilhelmsen, J.A. Zeitler and J. Rantanen, Towards simultaneous determination of tablet porosity and height by terahertz time-domain reflection spectroscopy, International Journal of Pharmaceutics, 646, 123424 doi:10.1016/j.ijpharm.2023.123424 (2023). | |
| M. Anuschek, A.L. Skelbæk-Pedersen, T.K. Vilhelmsen, E. Skibsted, J.A. Zeitler and J. Rantanen, Towards simultaneous determination of tablet porosity and height by terahertz time-domain reflection spectroscopy, International Journal of Pharmaceutics, 642, 123165 doi:10.1016/j.ijpharm.2023.123165 (2023). | |
| J. Lee, C.K. Leung, M. Ma, J. Ward-Berry, S. Santitewagun and J.A. Zeitler, The dotTHz project: a standard data format for terahertz time-domain data, Journal of Infrared Millimetre and Terahertz Waves 44, 795-813 doi:10.1007/s10762-023-00947-w (2023). | |
| J. Kölbel, W. Schirmacher, E. Shalaev and J.A. Zeitler, Terahertz dynamics in the glycerol-water system, Physical Review B, 107, 104203 doi:10.1103/PhysRevB.107.104203 (2023). | |
| P. Bawuah, M. Evans, A. Lura, D.J. Farrell, P.J. Barrie, P. Kleinebudde, D. Markl and J.A. Zeitler, At-line porosity sensing for non-destructive disintegration testing in immediate release tablets, International Journal of Pharmaceutics: X, 5, 100186, doi:10.1016/j.ijpx.2023.100186 (2023). | |
| A. Leitenstorfer, A. Moskalenko, T. Kampfrath, J. Kono, E. Camus, K. Peng, N. Qureshi, D. Turchinovich, K. Tanaka, A. Markelz, M. Havenith, C. Hough, H. Joyce, W. Padilla, B. Zhou, K. Kim, X. Zhang, P. Jepsen, S. Dhillon, M. Vitiello, E. Linfield, A. Davies, M. Hoffmann, R. Lewis, M. Tonouchi, P. Klarskov, T. Seifert, Y. Gerasimenko, D. Mihailovic, R. Huber, J. Boland, O. Mitrofanov, P. Dean, B. Ellison, P. Huggard, S. Rea, C. Walker, D. Leisawitz, J. Gao, C. Li, Q. Chen, G. Valusis, V. Wallace, E. MacPherson, X. Shang, J. Hesler, N. Ridler, C. Renaud, I. Kallfass, T. Nagatsuma, J.A. Zeitler, D. Arnone, M. Johnston and J. Cunningham, The 2023 terahertz science and technology roadmap, Journal of Physics D: Applied Physics, doi:10.1088/1361-6463/acbe4c (2023). | |
| J. Lee, D.J. Goodwin, R.M. Dhenge, J. Nassar, G. Bano and J.A. Zeitler, Enhanced in-situ liquid transport investigation setup for pharmaceutical tablet disintegration analysis using terahertz radiation, International Journal of Pharmaceutics, 635, 122726, doi:10.1016/j.ijpharm.2023.122726 (2023). | |
| M. Soundaranathan, M. Al-Sharabi, T. Sweijen, P. Bawuah, J.A. Zeitler, S.M. Hassanizadeh, K. Pitt, B. Johnston, D. Markl, Modelling the evolution of pore structure during the disintegration of pharmaceutical tablets, Pharmaceutics, 15, 489, doi:10.3390/pharmaceutics15020489 (2023). | |
| R. Dong, M. Nassar, B. Friend, J. Teckoe and J.A. Zeitler, Studying the dissolution of immediate release film coating using terahertz pulsed imaging, International Journal of Pharmaceutics, 630, 122456, doi:10.1016/j.ijpharm.2022.122456 (2023). | |
| A.D. Stephens, J. Kölbel, R. Moons, C.W. Chung, M.T. Ruggiero, N. Mahmoudi, T.A. Shmool, T.M. McCoy, D. Nietlispach, A.F. Routh, F. Sobott, J.A. Zeitler, G.S. Kaminski Schierle, Decreased water mobility increases amyloid protein aggregation, Angewandte Chemie Int. Ed., 62, e202212063, doi:10.1002/anie.202212063 (2023). | |
2022 |
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| S. Santitewagun, R. Thakkar, J.A. Zeitler and M. Maniruzzaman, Detecting crystallinity using terahertz spectroscopy in 3D printed amorphous solid dispersions, Molecular Pharmaceutics, 19, 2380-2389, doi:10.1021/acs.molpharmaceut.2c00163 (2022). | |
| Q. Li, J. Kölbel, M.P. Davis, T.M. Korter, A.D. Bond, T. Threlfall and J.A. Zeitler, In situ observation of the structure of crystallizing magnesium sulfate heptahydrate solutions with terahertz transmission spectroscopy, Crystal Growth and Design, 22, 3961-3972, doi:10.1021/acs.cgd.2c00352 (2022). | |
| X. Li, B.M. Williams, R.K. May, M.J. Evans, S. Zhong, L.F. Gladden, Y. Shen, J.A. Zeitler and Hungyen Lin, Optimising terahertz waveform selection of a pharmaceutical film coating process using recurrent network, IEEE Transactions on Terahertz Science and Technology, 12, 392-400, doi:0.1109/TTHZ.2022.3164353 (2022). | |
| R. Dong and J.A. Zeitler, Visualising liquid transport through coated pharmaceutical tablets using terahertz pulsed imaging, International Journal of Pharmaceutics, 619, 121703 doi:10.1016/j.ijpharm.2022.121703 (2022). | |
| J. Kölbel, Q. Li, T. Threlfall and J.A. Zeitler, Measuring solute concentration with terahertz time-domain spectroscopy in single and multiphase systems, Analytical Chemistry, 94, 1713-1716, doi:10.1021/acs.analchem.1c04279 (2022). | |
| Q. Li, J. Kölbel, T. Threlfall and J.A. Zeitler, Flow cell to study crystallisation processes in-situ using terahertz time-domain spectroscopy, IEEE Transactions on Terahertz Science and Technology, 12, 193-198, doi:10.1109/TTHZ.2021.3132800 (2022). | |
| Q. Li, A.D. Bond, T.M. Korter and J.A. Zeitler, New insights into the crystallographic disorder in the polymorphic forms of aspirin from low-frequency vibrational analysis, Molecular Pharmaceutics, 19, 227--234, doi:10.1021/acs.molpharmaceut.1c00727 (2022). | |
2021 |
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| E.M. Paiva, Q. Li, A.J. Zaczek, C.F. Pereira, J.J. Rodrigues Rohwedder and J.A. Zeitler, Understanding the metastability of theophylline fIII by means of low-frequency vibrational spectroscopy, Molecular Pharmaceutics, 18, 3578--3587 doi:10.1021/acs.molpharmaceut.1c00476 (2021). | |
| D.A. Davis Jr., D.A. Miller, S. Santitewagun, J.A. Zeitler, Y. Su and R.O. Williams III, Formulating a heat- and shear-labile drug in an amorphous solid dispersion: balancing drug degradation and crystallinity, International Journal of Pharmaceutics X, 3, 100092 doi:10.1016/j.ijpx.2021.100092 (2021). | |
| N.J. Hempel, M.M. Knopp, J.A. Zeitler, R. Berthelsen and K. Löbmann, Microwave-induced in situ drug amorphization using a mixture of polyethylene glycol and polyvinylpyrrolidone, Journal of Pharmaceutical Sciences, 110, 3221-3229 doi:0.1016/j.xphs.2021.05.010 (2021). | |
| M. Anuschek, P. Bawuah and J.A. Zeitler, Terahertz time-domain spectroscopy for powder compact porosity and pore shape measurements: an error analysis of the anisotropic Bruggeman model, International Journal of Pharmaceutics: X, 3, 100079 doi:10.1016/j.ijpx.2021.100079 (2021). | |
| A.D. Stephens, M.N. Qaisrani, M.T. Ruggiero, G.D. Miron, U.N. Morzan, M.C. González Lebrero. S.T.E. Jones, E. Poli, A.D. Bond, P.J. Woodhams, E.M. Kleist, L. Grisanti, R. Gebauer, J.A. Zeitler, D. Credgington, A. Hasanali and G.S. Kaminski Schierle, Short hydrogen bonds enhance non-aromatic protein-related fluorescence, Proceedings of the National Academy of Sciences, 118, e2020389118, doi:10.1073/pnas.2020389118 (2021). | |
| R. Dong, J.C. DiNunzio, B.P. Regler, W. Wasylaschuk, A. Socia and J.A. Zeitler, Insights into the control of drug release from complex immediate release formulations, Pharmaceutics, 13, 933 doi:10.3390/pharmaceutics13070933 (2021). | |
| P. Bawuah and J.A. Zeitler, Advances in terahertz time-domain spectroscopy of pharmaceutical solids: A review, TrAC Trends in Analytical Chemistry, 139, 116272, doi:10.1016/j.trac.2021.116272 (2021). | |
| H. Lin, B. Russel, P. Bawuah and J.A. Zeitler, Sensing water absorption in hygrothermally aged epoxies with terahertz time-domain spectroscopy, Analytical Chemistry, 93, 2449-2455, doi:10.1021/acs.analchem.0c04453 (2021). | |
| P. Bawuah, D. Markl, A. Turner, M. Evans, A. Portieri, D. Farrell, R. Lucas, A. Anderson, D.J. Goodwin and J.A. Zeitler, A fast and non-destructive terahertz dissolution assay for immediate release tablets, Journal of Pharmaceutical Sciences, 110, 2083-2092, doi:10.1016/j.xphs.2020.11.041 (2021). | |
| M. Al-Sharabi, D. Markl, V. Vivacqua, P. Bawuah, N. MacLean, M. Bentley, A.P.E. York, M. Marigo, K. Huang and J.A. Zeitler, Terahertz pulsed imaging as a new method for investigating the liquid transport kinetics of α-alumina powder compacts, Chemical Engineering Research and Design, 165, 386-397, doi:10.1016/j.cherd.2020.11.006 (2021). | |
2020 |
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| A.L. Skelbæk-Pedersen, M. Anuschek, T.K. Vilhelmsen, J. Rantanen and J.A. Zeitler, Non-Destructive quantification of fragmentation within tablets after compression from scattering analysis of terahertz transmission measurements, International Journal of Pharmaceutics, 588, 119769, doi:10.1016/j.ijpharm.2020.119769 (2020). | |
| F. Alqahtani, P. Belton, M. Al-Sharabi, S. Ross, D. Douroumis, J.A. Zeitler and S. Qi, Investigating the impact of functional additive on the internal microstructure of HME solid dispersion extrudates, European Journal of Pharmaceutics and Biopharmaceutics, 155, 147-161, doi:10.1016/j.ejpb.2020.08.018 (2020). | |
| M. Hutereau, P.A. Banks, B. Slater, J.A. Zeitler, A.D. Bond and M.T. Ruggiero, Spatially resolving anharmonic lattice dynamics in molecular crystals with x-ray diffraction and terahertz spectroscopy, Physical Review Letters, 125, 103001 doi:10.1103/PhysRevLett.125.103001 (2020). | |
| A.L. Skelbæk-Pedersen, M. Al-Sharabi, T.K. Vilhelmsen, J. Rantanen and J.A. Zeitler, Effect of particle size and deformation behaviour on water ingress into tablets, International Journal of Pharmaceutics, 587, 119645, doi:10.1016/j.ijpharm.2020.119645 (2020). | |
| M. Batens, T.A. Shmool, J. Massant, J.A. Zeitler and G. Van den Mooter, Advancing predictions of protein stability in the solid state, Physical Chemistry Chemical Physics, 22, 17247-17254, doi:10.1039/D0CP00341G (2020). | |
| M. Al-Sharabi, D. Markl, T. Mudley, P. Bawuah, A.-P. Karttunen, C. Ridgway, P. Gane, J. Ketolainen, K.E. Peiponen, T. Rades and J.A. Zeitler, Simultaneous investigation of the liquid transport and swelling performance during tablet disintegration, International Journal of Pharmaceutics, doi:10.1016/j.ijpharm.2020.119380 (2020). | |
| D Markl, M. Warman, M. Dumarey, E.L. Bergman, S. Folestad, Z. Shi, L.F. Manley, D.J. Goodwin and J.A. Zeitler, Review of real-time release testing of pharmaceutical tablets: state-of-the art, challenges and future perspective, International Journal of Pharmaceutics, 582, 119353, doi:10.1016/j.ijpharm.2020.119353 (2020). | |
| D. Alves-Lima, J. Song, X. Li, A. Portieri, Y.C. Shen, J.A. Zeitler and H. Lin, Review of terahertz pulsed imaging for pharmaceutical film coating analysis, Sensors, 20, 1441, doi:10.3390/s20051441 (2019). | |
| N.-J. Hempel, M.M. Knopp, R. Berthelsen, J.A. Zeitler, K. Löbmann, The influence of drug and polymer particle size on the in situ amorphization using microwave irradiation, European Journal of Pharmaceutics and Biopharmaceutics, 149, 77-84, doi:10.1016/j.ejpb.2020.01.019 (2020). | |
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P. Bawuah, D. Markl, D. Farrell, M. Evans, A. Portieri, A. Anderson, D. Goodwin, R. Lucas and J.A. Zeitler, Terahertz-based porosity measurement of pharmaceutical tablets: a tutorial, Journal of Infrared, Millimeter, and Terahertz Waves, 41, 450-469, doi:10.1007/s10762-019-00659-0 (2020). |
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2019 |
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M. Wolfgang, A. Peter, P. Wahl, D. Markl, J.A. Zeitler, J.G. Khinast, At-line validation of optical coherence tomography as in-line/at-line coating thickness measurement method, International Journal of Pharmaceutics, 118766, doi:10.1016/j.ijpharm.2019.118766 (2019). |
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G. Schweicher, G. D'Avino, M.T. Ruggiero, D.J. Harkin, K. Broch, D. Venkateshvaran, G. Liu, A. Richard, C. Ruzié, J. Armstrong, A.R. Kennedy, K. Shankland, K. Takimiya, Y.H. Geerts, J.A. Zeitler, S. Fratini and H. Sirringhaus, Chasing the `killer' phonon mode for the rational design of low disorder, high mobility molecular semiconductors, Advanced Materials, 31, 1902407, doi:10.1002/adma.201902407 (2019). |
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T.A. Shmool, P.J. Hooper, M. Leutzsch, A.D. Stephens, M.U. Gaimann, M.D. Mantle, G.S. Kaminski-Schierle, C.F. van der Walle and J.A. Zeitler, Observation of high-temperature macromolecular confinement in lyophilised protein formulations using terahertz spectroscopy, International Journal of Pharmaceutics X, 100022, doi:10.1016/j.ijpx.2019.100022 (2019). |
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T.A. Shmool, P.J. Hooper, G.S. Kaminski-Schierle, C.F. van der Walle and J.A. Zeitler, Terahertz spectroscopy: an investigation of the structural dynamics of freeze-dried poly lactic-co-glycolic acid microspheres, Pharmaceutics, 11, 291 doi:10.3390/pharmaceutics11060291 (2019). |
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J. Hou, P.D. Putu, D. Sutrisna, T. Wang, S. Gao, Q. Li, C. Zhou, S. Sun, H.-C. Yang, F. Wei, M.T. Ruggiero, J.A. Zeitler, A.K. Cheetham, K. Liang, and V. Chen, Unraveling the interfacial structure-performance correlation of flexible metal-organic framework membranes on polymeric substrates, ACS Applied Materials and Interfaces, 11, 5570-5577 doi:10.1021/acsami.8b20570 (2019). |
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S. Stranzinger, E. Faulhammer, J. Li, R. Dong, J.A. Zeitler, S. Biserni, V. Calzolari, J.G. Khinast, D. Markl, Predicting capsule fill weight from in-situ powder density measurements using terahertz reflection technology, International Journal of Pharmaceutics: X, 1, 100004 doi:10.1016/j.ijpx.2018.100004 (2019). |
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T.A. Shmool and J.A. Zeitler, Insights into the structural dynamics of PLGA at terahertz frequencies, Polymer Chemistry, 10, 351-361doi:10.1039/c8py01210e (2019). |
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S. Stranzinger, E. Faulhammer, J. Li, R. Dong, J.G. Khinast, J.A. Zeitler, D. Markl, Measuring bulk density variations in a moving powder bed via terahertz in-line sensing, Powder Technology, 344, 152--160 doi:10.1016/j.powtec.2018.11.106 (2019). |
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S. Daniel, P. Bawuah, Plasmonic Implanted Nanogrooves for Optical Beaming, Scientific Reports, 9, 391 DOI:10.1038/s41598-018-37202-5 (2019). |
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S. Daniel, P. Bawuah, Swastika-shaped microslots as a dual-band metamaterial absorber in the terahertz range, OSA Continuum, 2, 216-224 doi:10.1364/OSAC.2.000216 (2019). |
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S. Daniel, P. Bawuah, Pyramid-shaped plasmonic slit for optical transmission, Optical Materials, 88, 266-270 doi:10.1016/j.optmat.2018.11.049 (2019). |
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E. Shalaev, A. Soper, J.A. Zeitler, S. Ohtake, C.R. Roberts, M.J. Pikal, K. Wu and E. Boldyreva, Freezing of aqueous solutions and chemical stability of amorphous pharmaceuticals: water clusters hypothesis, Journal of Pharmaceutical Sciences, 108, 36-49 , doi:10.1016/j.xphs.2018.07.018 (2019). |
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2018 |
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H. Lin, Z. Zhang, D. Markl, J.A. Zeitler and Y.C. Shen, A review of the applications of OCT for analysing pharmaceutical film coatings, Applied Sciences, 8, 2700 doi:10.3390/app8122700 (2018). |
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Y. Sun, R. Degl'innocenti, L. Xiao, D.A. Ritchie, H.E. Beere, M.T. Ruggiero, J.A. Zeitler, R.I. Stantchev, D. Chen, Z. Peng, E. Macpherson and X. Liu, Graphene-loaded metal wire grating for deep and broadband THz modulation in total internal reflection geometry, Photonics Research, 6, 1151-1157 doi:10.1364/PRJ.6.001151 (2018). |
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S. Daniel, P. Bawuah, Highly polarization and wide-angle insensitive metamaterial absorber for terahertz applications, Optical Materials, 84, 447-452 doi:10.1016/j.optmat.2018.07.053 (2018). |
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W. Zhang, J. Maul, D. Vulpe, P. Moghadam, D. Fairen-Jiminez, D. Mittleman, J.A. Zeitler, A. Erba and M.T. Ruggiero, Probing the mechanochemistry of metal-organic frameworks with low-frequency vibrational spectroscopy, Journal of Physical Chemistry C, 122, 27442-27450, doi:10.1021/acs.jpcc.8b08334 (2018). |
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M.T. Ruggiero, J.J. Sutton, S.J. Fraser-Miller, A.J. Zaczek, T.M. Korter, K.C. Gordon and J.A. Zeitler, Revisiting the thermodynamic stability of indomethacin polymorphs with low-frequency vibrational spectroscopy and quantum mechanical simulations, Crystal Growth & Design, 18, 6513-6520, doi:10.1021/acs.cgd.8b00623 (2018). |
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H. Lin, C. Pei, D. Markl, Y.-C. Shen, J.A. Elliott and J.A. Zeitler, Steps towards numerical verification of the terahertz in-line measurement of tablet mixing by means of discrete element modelling, IET Microwaves, Antennas & Propagation, 12, 1775-1779, doi:10.1049/iet-map.2018.5561 (2018). |
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C. Pei, H. Lin, D. Markl, Y.-C. Shen, J.A. Zeitler and J.A. Elliott, A quantitative comparison of tablet coating thickness distributions obtained in-line during mixing using discrete element method and terahertz pulsed imaging, Chemical Engineering Science, 192, 34-45, doi:10.1016/j.ces.2018.06.045 (2018). |
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W. Zhang, J. Maul, D. Vulpe, P.Z. Moghadam, D.M. Mittleman, J.A. Zeitler, A. Erba, M.T. Ruggiero, D. Fairen-Jimenez, Probing the mechanochemistry of metal-organic frameworks with low-frequency vibrational spectroscopy, ChemRxiv, doi:10.26434/chemrxiv.6244892.v1 (2018). |
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P. Bawuah, A.-P. Karttunen, D. Markl, C. Ridgway, O. Korhonen, P. Gane, J.A. Zeitler, J. Ketolainen and K.-E. Peiponen, Investigating elastic relaxation effects on the optical properties of functionalised calcium carbonate compacts using optics-based Heckel analysis, International Journal of Pharmaceutics, 544, 278-284, doi:10.1016/j.ijpharm.2018.04.043 (2018). |
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M.T. Ruggiero, W. Zhang, A.D. Bond, D.M. Mittleman, and J.A. Zeitler, Uncovering the connection between low-frequency dynamics and phase transformation phenomena in molecular solids, Physical Review Letters, 120, 196002, doi:10.1103/PhysRevLett.120.196002 (2018). |
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L. Qi, A.J. Zaczek. T.M. Korter, J.A. Zeitler and M.T. Ruggiero, Quantum mechanical interpretation of the ultra-low energy methyl-rotation dynamics in porous metal-organic frameworks probed by low-frequency vibrational spectroscopy and ab initio simulations, ChemComm, 54, 5776-5779 doi:10.1039/C8CC02650E (2018). Preprint available on ChemRxiv at doi:10.26434/chemrxiv.5995078.v1 |
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P. Bawuah, J.A. Zeitler, J. Ketolainen and K.-E. Peiponen, On terahertz absorption spectra of commonly used antimalarial drugs, Optical Review, 25, 444-449, doi:10.1007/s10043-018-0423-6 (2018). |
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M.T. Ruggiero, J. Kölbel, Q. Li and J.A. Zeitler, Predicting the structures and associated phase transition mechanisms in disordered crystals via a combination of experimental and theoretical methods, Faraday Discussions, 211, 425-439, doi:10.1039/C8FD00042E (2018). |
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E.O. Kissi, H. Grohganz, K. Löbmann, M.T. Ruggiero, J.A. Zeitler and T. Rades, The glass transition temperature of the β-relaxation as the major predictive parameter for recrystallization of neat amorphous drugs, Journal of Physical Chemistry B, 122, 2803-2808, doi:10.1021/acs.jpcb.7b10105 (2018). |
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D. Markl, A. Strobel, R. Schlossnikl, J. Bøtker, P. Bawuah, C. Ridgway, J. Rantanen, T. Rades, P.A.C. Gane, K.-E. Peiponen and J.A. Zeitler, Characterisation of pore structures of pharmaceutical tablets: a review, International Journal of Pharmaceutics, 538, 188-214, doi:10.1016/j.ijpharm.2018.01.017 (2018). |
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T. Maier, R.L. Scheuerle, D. Markl, S. Bruggraber, J.A. Zeitler, L. Fruk and N.K.H. Slater, Zinc delivery from non-woven fibres within a therapeutic nipple shield, International Journal of Pharmaceutics, 537, 290-299, doi:10.1016/j.ijpharm.2017.12.042 (2018). |
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D. Markl, P. Wang, C. Ridgway, A.-P. Karttunen, P. Bawuah, J. Ketolainen, P. Gane, K.-E. Peiponen and J.A. Zeitler, Resolving the rapid water absorption of mesoporous functionalised calcium carbonate powder compacts by terahertz pulsed imaging, Chemical Engineering Research and Design, 132, 1082-1090, doi:10.1016/j.cherd.2017.12.048 (2018). |
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D. Markl, P. Bawuah, C. Ridgway, S. van den Ban, D.J. Goodwin, J. Ketolainen, P.A.C. Gane, K.-E. Peiponen and J.A. Zeitler, Fast and non-destructive pore structure analysis using terahertz time-domain spectroscopy, International Journal of Pharmaceutics, 537, 102-110, doi:10.1016/j.ijpharm.2017.12.029 (2018). |
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D. Markl, J.A. Zeitler, T. Rades, J. Rantanen and J. Bøtker, Towards quality assessment of 3D printed oral dosage forms, Journal of 3D Printing in Medicine, 2, 27-33 doi:10.2217/3dp-2017-0016 (2018). |
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A. Novikova, D. Markl, J.A. Zeitler, T. Rades and C.S. Leopold, A non-destructive method for quality control of the pellet distribution within a MUPS tablet by terahertz pulsed imaging, European Journal of Pharmaceutical Sciences, 111, 549-555, doi:10.1016/j.ejps.2017.10.029 (2018). |
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2017 |
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M.T. Ruggiero, J.A. Zeitler and T.M. Korter, Concomitant polymorphism and the martensitic-like transformation of an organic crystal, Physical Chemistry Chemical Physics, 19, 28502-28506 doi:10.1039/C7CP04666A (2017). |
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M.T. Ruggiero, J. Sibik, A. Erba, J.A. Zeitler and T.M. Korter, Quantification of cation-anion interactions in crystalline monopotassium and monosodium glutamate salts, Physical Chemistry Chemical Physics, 19, 28547-28652 doi:10.1039/C7CP05544G (2017). |
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M.A. Mensink, J. Sibik, H.W. Frijlink, K. van der Voort Maarschalk, W.L.J. Hinrichs, J.A. Zeitler, Thermal gradient mid and far infrared spectroscopy as tools for characterization of protein sugar lyophilizates, Molecular Pharmaceutics, 14, 3550-3557, doi:10.1021/acs.molpharmaceut.7b00568 (2017). |
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A.S. Larsen, M.T. Ruggiero, K.E. Johansson, J.A. Zeitler and J. Rantanen, Tracking dehydration mechanisms in crystalline hydrates with molecular dynamics simulations, Crystal Growth and Design, 17, 5017-5022, doi:10.1021/acs.cgd.7b00889 (2017). |
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M.T. Ruggiero, M. Krynski, E. Ofosu Kissi, J. Sibik, D. Markl, N.Y. Tan, D. Arslanov, W. van der Zande, B. Redlich, T.M. Korter, H. Grohganz, K. Lobmann, T. Rades, S.R. Elliott and J.A. Zeitler, The significance of the amorphous potential energy landscape for dictating glassy dynamics and driving solid-state crystallisation, Physical Chemistry Chemical Physics, 19, 30039-30047 doi:10.1039/C7CP06664C (2017). Preprint available on ChemRxiv at doi:10.26434/chemrxiv.5328235.v1 |
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H. Lin, P. Braeuninger-Weimer, V.S. Kamboj, D.S. Jessop, R. Degl'Innocenti, H.E. Beere, D.A. Ritchie, J.A. Zeitler and S. Hofmann, Contactless graphene conductivity mapping on a wide range of substrates with terahertz time-domain reflection spectroscopy, Scientific Reports, 7, 10625, doi:10.1038/s41598-017-09809-7 (2017). |
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A.R. Pallipurath, F. Civati, J. Sibik, C. Crowley, J.A. Zeitler, P. McArdle and A. Erxleben, A comprehensive spectroscopic study of the polymorphs of diflunisal and their phase transformations, International Journal of Pharmaceutics, 528, 312-321, doi:10.1016/j.ijpharm.2017.06.020 (2017). |
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H. Lin, Y. Dong, D. Markl, Y. Zheng, Y.C. Shen and J.A. Zeitler, Pharmaceutical film coating catalogue for spectral-domain optical coherence tomography, Journal of Pharmaceutical Sciences, 106, 3171-3176, doi:10.1016/j.xphs.2017.05.032 (2017). |
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C. Ridgway, P. Bawuah, D. Markl, J.A. Zeitler, J. Ketolainen, K.-E. Peiponen and P.A.C. Gane, On the role of API in determining porosity, pore structure and bulk modulus of the skeletal material in pharmaceutical tablets formed with MCC excipient, International Journal of Pharmaceutics, 526, 321-331, doi:10.1016/j.ijpharm.2017.04.038 (2017). |
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D. Markl, S. Yassin, D.I. Wilson, D.J. Goodwin, A. Anderson and J.A. Zeitler, Mathematical modelling of liquid transport in swelling pharmaceutical immediate release tablets, International Journal of Pharmaceutics, 526, 1-10, doi:10.1016/j.ijpharm.2017.04.015 (2017). |
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M. Chakrakorty, C. Ridgway, P. Bawuah, D. Markl, P.A.C. Gane, J. Ketolainen, J.A. Zeitler and K.E. Peiponen, Optics-based compressibility parameter for pharmaceutical tablets obtained with the aid of the terahertz refractive index, International Journal of Pharmaceutics, 525, 85-91, doi:10.1016/j.ijpharm.2017.03.093 (2017). |
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M.T. Ruggiero, J.A. Zeitler, A. Erba. Intermolecular Anharmonicity in Molecular Crystals: Interplay between Experimental Low-Frequency Dynamics and Quantum Quasi-Harmonic Simulations of Solid Purine. Chemical Communications, 53, 3781-3784, doi:10.1039/C7CC00509A (2017). |
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D. Markl, P. Wang, C. Ridgway, A.-P. Karttunen, M. Chakraborty, P. Bawuah, P. Pääkkönen, P. Gane, J. Ketolainen, K. Peiponen and J.A. Zeitler, Characterisation of the pore structure of functionalised calcium carbonate tablets by terahertz time-domain spectroscopy and x-ray computed microtomography, Journal of Pharmaceutical Sciences, 106, 1586-1595 doi:10.1016/j.xphs.2017.02.028 (2017). |
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A. Novikova, J.M. Carstensen, J.A. Zeitler, T. Rades and C.S. Leopold, Multispectral UV imaging for determination of the tablet coating thickness, Journal of Pharmaceutical Sciences, 106, 1560-1569, doi:10.1016/j.xphs.2017.02.016 (2017). |
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J.A. Zeitler and T. Rades, Interdependence of dosage form microstructure and performance, Pharmaceutical Research, 34, 887-889, doi:10.1007/s11095-017-2137-z (2017). Editorial for theme issue. |
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D. Markl and J.A. Zeitler, A Review of Disintegration Mechanisms and Measurement Techniques, Pharmaceutical Research, 34, 890-917, doi:10.1007/s11095-017-2129-z (2017). |
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D. Markl, J. Sauerwein, D.J. Goodwin, S. van den Ban and J.A. Zeitler, Non-destructive determination of disintegration time and dissolution in immediate release tablets by terahertz transmission measurements, Pharmaceutical Research, 34, 1012-1022, doi:10.1007/s11095-017-2108-4 (2017). |
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D. Markl, J.A. Zeitler, C. Rasch, M.H. Michaelsen, A. Müllertz, J. Rantanen, T. Rades, J. Bøtker, Analysis of 3D Prints by X-ray microtomography and terahertz pulsed imaging, Pharmaceutical Research, 34, 1037-1052, doi:10.1007/s11095-016-2083-1 (2017). |
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H. Lin, Y. Dong, D. Markl, B.M. Williams, Y. Zheng, Y.C. Shen and J.A. Zeitler, Measurement of the inter-tablet coating uniformity of a pharmaceutical pan coating process with combined terahertz and optical coherence tomography in-line sensing, Journal of Pharmaceutical Sciences, 106, 1075-1084, doi:10.1016/j.xphs.2016.12.012 (2017). |
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M. Alhijjaj, S. Yassin, M. Reading, J.A. Zeitler, P. Belton and S. Qi, Characterization of heterogeneity and spatial distribution of phases in complex solid dispersions by thermal analysis by structural characterization and X-ray micro computed tomography, Pharmaceutical Research, 34, 971-989, doi:10.1007/s11095-016-1923-3 (2017). |
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Y. Dong, H. Lin, V. Abolghasemi, L. Gan, J.A. Zeitler and Y.C. Shen, Investigating intra-tablet coating uniformity with spectral-domain optical coherence tomography, Journal of Pharmaceutical Sciences, 106, 546-553, doi:10.1016/j.xphs.2016.09.021 (2017). |
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S. Dhillon, M. Vitiello, E. Linfield, A. Davis, M. Hoffmann, J. Booske, C. Paoloni, M. Gensch, P. Weightman, G. Williams, E. Castro-Camus, D. Cumming, F. Simoens, I. Escorcia Carranza, J. Grant, S. Lucyszyn, M. Kuwata-Gonokami, K. Konishi, M. Koch, C. Schmuttenmaer, T. Cocker, R. Huber, A. Markelz, Z. Taylor, V. Wallace, J.A. Zeitler, J. Sibik, T.M. Korter, B. Ellison, S. Rea, P. Goldsmith, K. Cooper, R. Appleby, D. Pardo, P. Huggard, V. Krozer, H. Shams, M. Fice, C. Renaud, A. Seeds, A. Stoehr, M. Naftaly, N. Ridler, R. Clarke, J. Cunningham, M. Johnston, The 2017 terahertz science and technology roadmap, Journal of Physics D: Applied Physics, 50, 043001, doi:10.1088/1361-6463/50/4/043001 (2017). |
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2016 |
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M.T. Ruggiero, J.A. Zeitler. Resolving the Origins of Crystalline Anharmonicity Using Terahertz Time-Domain Spectroscopy and ab initio Simulations. Journal of Physical Chemistry B. 120 (45), 11733-11739, doi:10.1021/acs.jpcb.6b10248 (2016). |
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M.T. Ruggiero, J. Sibik, J.A. Zeitler, T.M. Korter. Examination of L-Glutamic Acid Polymorphs by Solid-State Density Functional Theory and Terahertz Spectroscopy, Journal of Physical Chemistry A, 120 (38), 7490-7495, doi:10.1021/acs.jpca.6b05702 (2016). |
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R. Degl'Innocenti, L. Xiao, D.S. Jessop, S.J. Kindness, Y. Ren, H. Lin, J.A. Zeitler, J.A. Alexander-Webber, H.J. Joyce, P. Braeuninger-Weimer, S. Hofmann, H. Beere and D.A. Ritchie, Fast room temperature detection of terahertz quantum cascade lasers with graphene loaded bow-tie plasmonic antenna arrays, ACS Photonics, 3, 1747-1753, doi:10.1021/acsphotonics.6b00405 (2016). |
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P. Bawuah, N. Tan, S.N.A. Tweneboah, T. Ervasti, J.A. Zeitler, J. Ketolainen and K.-E. Peiponen, Terahertz study on porosity and mass fraction of active pharmaceutical ingredient of pharmaceutical tablets, European Journal of Pharmaceutics and Biopharmaceutics, 105, 122-133, doi:10.1016/j.ejpb.2016.06.007 (2016). |
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P. Bawuah, N. Tan, T. Ervasti, J.A. Zeitler, J. Ketolainen, K.-E. Peiponen, Noninvasive porosity measurement of biconvex tablets using terahertz pulses, International Journal of Pharmaceutics, 509, 439-443, doi:10.1016/j.ijpharm.2016.06.023 (2016). |
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E. Rees, K. Su and J.A. Zeitler, Terahertz correlation spectroscopy infers particle velocity and rheological properties, Optics Letters, 41, 3289-3292, doi:10.1364/OL.41.003289 (2016). |
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K.P. Nartowski, D. Malhotra, L.E. Hawarden, J. Sibik, D. Iuga, J.A. Zeitler, L. Fábián, Y.Z. Khimyak, 19F NMR as a highly sensitive probe towards understanding and direct monitoring of confined crystallisation within nanoporous materials, 55, 8904-8908, Angewandte Chemie Int. Ed., 55, 8904-8908, doi:10.1002/anie.201602936 (2016). |
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D.S. Jessop, S.J. Kindness, L. Xiao, P. Braeuninger-Weimer, H. Lin, Y. Ren, C.X. Ren, S. Hofmann, J.A. Zeitler, H.E. Beere, D.A. Ritchie and R. Degl'Innocenti, Graphene based plasmonic terahertz amplitude modulator operating above 100 MHz, 108, 171101, Applied Physics Letters, 108, 171101, doi:10.1063/1.4947596 (2016). |
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P. Bawuah, M. Chakraborty, T. Ervasti, J.A. Zeitler, J. Ketolainen, P.A.C. Gane, K.-E. Peiponen, A structure parameter for porous pharmaceutical tablets obtained with the aid of Wiener bounds for effective permittivity and terahertz time-delay measurement, International Journal of Pharmaceutics, doi:10.1016/j.ijpharm.2016.04.026 (2016). |
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M.T. Ruggiero, J. Sibik, R. Orlando, J.A. Zeitler and T.M. Korter, Measuring the elasticities of poly-L-proline helices with terahertz spectroscopy, Angewandte Chemie Int. Ed., 128, 6991-6995, doi:10.1002/ange.201602268 (2016). |
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M. Chakraborty, P. Bawuah, N.Y. Tan, T. Ervasti, P. Pääkkönen, J.A. Zeitler, J. Ketolainen and K.-E. Peiponen, On the correlation of effective terahertz refractive index and average surface roughness of pharmaceutical tablets, Journal of Infrared, Millimeter, and Terahertz Waves, doi:10.1007/s10762-016-0262-0, 37, 776-785 (2016). |
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R. Degl'Innocenti, D. Jessop, C. Sol, L. Xiao, S. Kindness, H. Lin, J.A. Zeitler, P. Braeuninger-Weimer, S. Hofmann, Y. Ren, V. Kamboj, J. Griffiths, H. Beere and D.A. Ritchie, Fast modulation of terahertz quantum cascade lasers using graphene loaded plasmonic antennas, ACS Photonics, 3, 464-470, doi:10.1021/acsphotonics.5b00672 (2016). |
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X. Li, N.Y. Tan, M. Pivnenko, J. Sibik, J.A. Zeitler and D. Chu*, High-birefringence nematic liquid crystal for broadband THz applications, Liquid Crystals, 43, 955-962, doi:10.1080/02678292.2016.1153732, (2016). |
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J. Sibik and J.A. Zeitler, Direct measurement of molecular mobility and crystallisation of amorphous pharmaceuticals using terahertz spectroscopy, Advanced Drug Delivery Reviews, 100, 147-157, doi:10.1016/j.addr.2015.12.021, (2016). |
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J. Sibik and J.A. Zeitler, Terahertz response of organic amorphous systems: experimental concerns and perspectives, Philosophical Magazine, 96, 842-853, doi:10.1080/14786435.2015.1111528, (2016). |
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S. Gomez Sanz, L. McMillan, J. McGregor, J.A. Zeitler, N. Al-Yassir, S. Al-Khattaf and L.F. Gladden, The enhancement of the catalytic performance of CrOx/Al2O3 catalysts for ethylbenzene dehydrogenation through tailored coke deposition, Catalysis Science and Technology, 6, 1120-1133, doi:10.1039/C5CY01157D, (2016). |
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2015 |
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J. McGregor, R. Li, J.A. Zeitler, C. D'Agostino, J.H.P. Collins, M.D. Mantle, H. Manyar, J.D. Holbrey, M. Falkowska, T.G.A. Youngs, C. Hardacre, E.H. Stitt and L.F. Gladden, Structure and dynamics of aqueous 2-propanol mixtures: a THz-TDS, NMR and neutron diffraction study, Physical Chemistry Chemical Physics, 17, 30481-30491, doi:10.1039/C5CP01132A, (2015). |
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P. Marizza, L. Pontoni, T. Rindzevicius, J.F. Alopaeus, K. Su, J.A. Zeitler, S.S. Keller, I. Kikic, M. Moneghini, N. De Zordi, D. Solinas, A. Cortesi and A. Boisen, Supercritical impregnation of polymer matrices spatially confined in microcontainers for oral drug delivery: effect of temperature, pressure and time, Journal of Supercritical Fluids, 107, 145-152, doi:10.1016/j.supflu.2015.08.023, (2015). |
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N.Y. Tan, M.T. Ruggiero, C. Orellana-Tavra, T. Tian, A.D. Bond, T.M. Korter, D. Fairen- Jimenez and J.A. Zeitler, Investigation of the terahertz vibrational modes of ZIF-8 and ZIF-90 with terahertz time-domain spectroscopy, Chemical Communications, 51, 16037-16040, doi:10.1039/C5CC06455D (2015). |
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V.P. Wallace, D. Ferachou, P. Ke, K. Day, S. Uddin, J. Casas-Finet, C.F. van der Walle, R.J. Falconer and J.A. Zeitler, Modulation of the hydration water around monoclonal antibodies on addition of excipients detected by terahertz time-domain spectroscopy, Journal of Pharmaceutical Sciences, 104, 4025-4033, doi:10.1002/jps.24630 (2015). |
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A.-K. Vynckier, H. Lin, J.A. Zeitler, J.-F. Willart, E. Bongaers, J. Voorspoels, J.P. Remon and C. Vervaet, Calendering as a direct shaping tool for the continuous production of fixed-dose combination products via co-extrusion, European Journal of Pharmaceutics and Biopharmaceutics, 96, 125–131 doi:10.1016/j.ejpb.2015.07.023 (2015). |
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J. Sibik, K. Löbmann, T. Rades and J.A. Zeitler, Predicting Crystallisation of Amorphous Drugs With Terahertz Spectroscopy, Molecular Pharmaceutics, 12, 3062-3068, doi:10.1021/acs.molpharmaceut.5b00330 (2015). |
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D.Y.S. Chau, A.R. Dennis, H. Lin, J.A. Zeitler and A. Tunnacliffe, Determination of water content in dehydrated mammalian cells using terahertz pulsed imaging: a feasibility study, Current Pharmaceutical Biotechnology, 17, 200-207, doi:10.2174/1389201017666151029105941 (2015). |
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S. Gomez Sanz, L. McMillan, J. McGregor, J.A. Zeitler, N. Al-Yassir, S. Khalif and L.F. Gladden, A new perspective on catalytic dehydrogenation of ethylbenzene: the influence of side-reactions on catalytic performance, Catalysis Science and Technology, 5, 3782-3797, doi:10.1039/c5cy00457h (2015). |
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S. Yassin, D. Goodwin, A. Anderson, J. Sibik, D.I. Wilson, L.F. Gladden and J.A. Zeitler, The disintegration process in microcrystalline cellulose based tablets I.: influence of temperature, porosity and superdisintegrants, Journal of Pharmaceutical Sciences, 104, 3440-3450, doi:10.1002/jps.24544 (2015). |
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H. Lin, Y. Dong, Y.C. Shen and J.A. Zeitler, Quantifying pharmaceutical film coating with optical coherence tomography and terahertz pulsed imaging: an evaluation, Journal of Pharmaceutical Sciences, doi:10.1002/jps.24535 (2015). |
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H. Lin, R.K. May, M. Evans, S. Zhong, L.F. Gladden, Y.C. Shen and J.A. Zeitler, Impact of processing conditions on inter-tablet coating thickness variations measured by terahertz in-line sensing, Journal of Pharmaceutical Sciences, 104, 2513-2522, doi:10.1002/jps.24503 (2015). |
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K.-E. Peiponen, P. Bawuah, M. Chakraborty, M. Juuti, J.A. Zeitler and J. Ketolainen, Estimation of Young’s modulus of pharmaceutical tablet obtained by terahertz time-delay measurement, International Journal of Pharmaceutics, 489, 100-105, doi:10.1016/j.ijpharm.2015.04.068 (2015). |
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B. Freireich, R. Kumar, W. Ketterhagen, K. Su, C. Wassgren and J.A. Zeitler, Comparisons of intra-tablet coating variability using DEM simulations, asymptotic limit models and experiments, Chemical Engineering Science, doi:10.1016/j.ces.2015.03.013, 131, 197-212 (2015). |
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N. Y. Tan, R. Li, P. Bräuer, C. D'Agostino, L.F. Gladden and J.A. Zeitler, Probing hydrogen-bonding in binary liquid mixtures with terahertz time-domain spectroscopy: a comparison of Debye and absorption analysis, Physical Chemistry Chemical Physics, doi:10.1039/C4CP04477K, 17, 5999-6008 (2015). |
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N.Y. Tan and J.A. Zeitler, Probing phase transitions in simvastatin with terahertz time-domain spectroscopy, Molecular Pharmaceutics, doi:10.1021/mp500649q, 12, 810–815 (2015). |
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S. Yassin, K. Su, H. Lin, L.F. Gladden and J.A. Zeitler, Diffusion and swelling measurements in pharmaceutical powder compacts using terahertz pulsed imaging, Journal of Pharmaceutical Sciences, doi:10.1002/jps.24376, 104, 1658–1667 (2015). |
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New Review: |
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E.P.J. Parrott and J.A. Zeitler, Terahertz time-domain and low-frequency Raman spectroscopy of organic materials, Applied Spectroscopy, doi:10.1366/14-07707, 69, 1-25 (2015). |
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2014 |
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P. Bawuah, P. Silfsten, T. Ervasti, J. Ketolainen, J.A. Zeitler, K.-E. Peiponen, Non-contact weight measurement of flat-faced pharmaceutical tablets using terahertz transmission pulse delay measurements, International Journal of Pharmaceutics, doi:10.1016/j.ijpharm.2014.09.027, 476, 16-22 (2014). |
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R. Li, C. D'Agostino, J. McGregor, M.D. Mantle, J.A. Zeitler, and L.F. Gladden, Mesoscopic Structuring and Dynamics of Alcohol/Water Solutions Probed by Terahertz Time-domain Spectroscopy and Pulsed Field Gradient Nuclear Magnetic Resonance, Journal of Physical Chemistry B, doi:10.1021/jp502799x, 118, 10156-10166 (2014). |
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D. Brock, J.A. Zeitler, A. Funke, K. Knop, P. Kleinebudde, Evaluation of critical process parameters for inter-tablet coating uniformity of active-coated GITS using terahertz pulsed imaging, European Journal of Pharmaceutics and Biopharmaceutics, doi:10.1016/j.ejpb.2014.06.016 (2014). |
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J. Sibik, S.R. Elliott, and J.A. Zeitler, Thermal decoupling of molecular-relaxation processes from the vibrational density of states at terahertz frequencies in supercooled hydrogen-bonded liquids, Journal of Physical Chemistry Letters, doi:10.1021/jz5007302, 5, 1968–1972 (2014). |
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K. Su, Y.C. Shen, and J.A. Zeitler, Terahertz sensor for non-contact thickness and quality measurement of automobile paints of varying complexity, IEEE Transactions of Terahertz Science and Technology, doi:10.1109/TTHZ.2014.2325393, 4, 432-439 (2014). |
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R. Degl'Innocenti, D.S. Jessop, Y.D. Shah, J. Sibik, J.A. Zeitler, P.R. Kidambi, S. Hofmann, H.E. Beere, and D.A. Ritchie, Terahertz optical modulator based on metamaterial split-ring resonators and graphene, Optical Engineering, doi:10.1117/1.OE.53.5.057108, 53, 057108 (2014). |
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J. Sibik, M.J. Sargent, M. Franklin, and J.A. Zeitler, Crystallisation and phase changes in paracetamol from the amorphous solid to the liquid phase, Molecular Pharmaceutics, doi:10.1021/mp400768m, 11, 1326–1334 (2014). |
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R. Degl'Innocenti, D.S. Jessop, Y.D. Shah, J. Sibik, J.A. Zeitler, P.R. Kidambi, S. Hofmann, H.E. Beere, and D.A. Ritchie |
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P. Bawuah, A. Mendia, P. Silfsten, P. Pääkkönen, T. Ervasti, J. Ketolainen, J.A. Zeitler, and K.-E. Peiponen, Detection of porosity of pharmaceutical compacts by terahertz radiation transmission and light reflection measurement techniques, International Journal of Pharmaceutics, doi:10.1016/j.ijpharm.2014.02.011, 465, 70-75 (2014). |
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J. Bye, S. Meliga, D. Ferachou, G. Cinque, J.A. Zeitler, and R. Falconer, Analysis of the hydration water around bovine serum albumin using terahertz coherent synchrotron radiation, Journal of Physical Chemistry A, doi:10.1021/jp407410g, 118, 83-88 (2014). |
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E.P.J. Parrott, N.Y. Tan, R.R. Hu, J.A. Zeitler, B.Z. Tang and E. Pickwell-MacPherson, Revealing the mechanism of aggregation-induced emission using temperature resolved terahertz time-domain spectroscopy, Materials Horizons, doi:10.1039/C3MH00078H, 1, 251-258 (2014). |
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C. Li, J.A. Zeitler, Y. Dong and Y.-C. Shen, Nondestructive evaluation of polymer coating structures on pharmaceutical pellets using full field optical coherence tomography, Journal of Pharmaceutical Sciences, doi:10.1002/jps.23764, 103, 161-166 (2014). |
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New Book: Terahertz Spectroscopy and Imaging |
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K.-E. Peiponen, J.A. Zeitler, and M. Kuwata-Gonokami (eds.), Terahertz Spectroscopy and Imaging, Springer Series in Optical Sciences 171, DOI:10.1007/978-3-642-29564-5, 641 p., Springer Berlin Heidelberg 2013. |
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More information on Springer.com |
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2013 |
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Q. Zhang, L.F. Gladden, P. Avalle, J.A. Zeitler and M.D. Mantle, Terahertz Pulsed Imaging and Magnetic Resonance Imaging as Tools to Probe Formulation Stability, Pharmaceutics, doi:10.3390/pharmaceutics5040591, 5, 591-608 (2013). |
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S. Badhwar, J. Sibik, P.D. Kidambi, H.E. Beere, J.A. Zeitler, S. Hofmann, and D.A. Ritchie, Intrinsic terahertz plasmon signatures in chemical vapour deposited graphene, Applied Physics Letters, doi:10.1063/1.4821157, 103, 121110 (2013). |
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D. Brock, J.A. Zeitler, A. Funke, K. Knop, P. Kleinebudde, Evaluation of critical process parameters for intra-tablet coating uniformity using terahertz pulsed imaging, European Journal of Pharmaceutics and Biopharmaceutics, doi:10.1016/j.ejpb.2013.07.004, 85, 1122-1129 (2013). |
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J. Sibik, E.Y. Shalaev and J.A. Zeitler, Glassy dynamics of sorbitol solutions at terahertz frequencies, Physical Chemistry Chemical Physics, doi:10.1039/C3CP51936H, 15, 11931-11942 (2013). |
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K.-E. Peiponen, E.M. Vartialainen, T. Unuma, J.A. Zeitler, P. Silfsten, T. Venäläinen and H. Kishida, Dispersion relations for evaluating the complex refractive index of medium without the information of its thickness, Applied Physics Letters, doi:10.1063/1.4804610, 102, 181110 (2013). |
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R.K. May, K. Su, L. Han, S. Zhong, J.A. Elliott, L.F. Gladden, M. Evans, Y.C. Shen and J.A. Zeitler, Hardness and density distributions of pharmaceutical tablets measured by terahertz pulsed imaging, Journal of Pharmaceutical Sciences, 102, 2179-2186 doi:10.1002/jps.23560 (2013). |
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M. Haaser, K.C. Gordon, M. Pepper, T. Rades, J. Rantanen, C.J. Strachan, P.F. Taday, J.A. Zeitler and K. Naelapää, Evaluating the effect of coating equipment on tablet film quality using terahertz pulsed imaging, European Journal of Pharmaceutics and Biopharmaceutics, doi:10.1016/j.ejpb.2013.03.019, 85, 1095-1102 (2013). |
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D. Brock, J.A. Zeitler, A. Funke, K. Knop, P. Kleinebudde, Critical factors in the measurement of tablet film coatings using terahertz pulsed imaging, Journal of Pharmaceutical Sciences, doi:10.1002/jps.23521, 102, 1813–1824 (2013). |
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E.P.J. Parrott, B.M. Fischer, L.F. Gladden, J.A. Zeitler, and P.U. Jepsen, Terahertz spectroscopy of crystalline and non-crystalline solids, inTerahertz Spectroscopy and Imaging, edited by K.-E. Peiponen, J.A. Zeitler, and M. Kuwata-Gonokami (Springer, Berlin, Heidelberg, 2012),doi:10.1007/978-3-642-29564-5_8, pp. 191–227. |
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J.A. Zeitler and Y.-C. Shen, Industrial Applications of Terahertz Imaging, in Terahertz Spectroscopy and Imaging, edited by K.-E. Peiponen, J.A. Zeitler, and M. Kuwata-Gonokami (Springer, Berlin, Heidelberg, 2012), doi:10.1007/978-3-642-29564-5_18 pp. 451–489. |
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2012 |
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I.S. Russe, D. Brock, K. Knop, P. Kleinebudde and J.A. Zeitler, Validation of terahertz coating thickness measurements using X-ray microtomography, Molecular Pharmaceutics, doi:10.1021/mp300383y, 9, 3551-3559 (2012). |
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D. Brock, J.A. Zeitler, A. Funke, K. Knop, P. Kleinebudde, A comparison of quality control methods for active coating processes, International Journal of Pharmaceutics, doi:10.1016/j.ijpharm.2012.09.021, 439, 289-295 (2012). |
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S. Badhwar, R. Puddy, P.R. Kidambi, J. Sibik, A. Brewer, J.R. Freeman, H.E. Beere, S. Hofmann, J.A. Zeitler, and D.A. Ritchie, Indirect Modulation of a Terahertz Quantum Cascade Laser Using Gate Tunable Graphene, IEEE Photonics Journal,doi:10.1109/JPHOT.2012.2215312, 4, 1776-1782 (2012). |
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B.S. Akpa, C. D’Agostino, L.F. Gladden, K. Hindle, H. Manyar, J. McGregor, R. Li, M. Neurock, N. Sinha, E.H. Stitt, D. Weber, J.A. Zeitler, D.W. Rooney, Solvent effects in the hydrogenation of 2-butanone, Journal of Catalysis, doi:10.1016/j.jcat.2012.01.011, 289, 30-41 (2012). |
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J. Muller, D. Brock, K. Knop, J.A. Zeitler and P. Kleinebudde, Prediction of dissolution time and coating thickness of sustained release formulations using Raman spectroscopy and terahertz pulsed imaging, European Journal of Pharmaceutics and Biopharmaceutics, doi:10.1016/j.ejpb.2011.12.003, 80, 690-697 (2012). |
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2011 |
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A.J. Baragwanath, J.R. Freeman, A.J. Gallant, J.A. Zeitler, H.E. Beere, D.A. Ritchie and J.M. Chamberlain, Terahertz near-field imaging using subwavelength plasmonic apertures and a quantum cascade laser source, Optics Letters, doi:10.1364/OL.36.002393, 36, 2393-2395 (2011). |
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S. Zhong, Y.C. Shen, L. Ho, R.K. May, J.A. Zeitler, M. Evans, P.F. Taday, M. Pepper, T. Rades, K.C. Gordon, R. Muller and P. Kleinebudde, Non-destructive quantification of pharmaceutical tablet coatings using terahertz pulsed imaging and optical coherence tomography, Optics and Lasers in Engineering, doi:10.1016/j.optlaseng.2010.11.003, 49, 361-365 (2011). |
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R.K. May, M.J. Evans, S. Zhong, I. Warr, L.F. Gladden, Y.C. Shen and J.A. Zeitler, Terahertz in-line sensor for direct coating thickness measurement of individual tablets during film coating in real-time, Journal of Pharmaceutical Sciences, doi:10.1002/jps.22359, 100, 1525-1544 (2011). |
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P. Parasoglou, E.P.J. Parrott, J.A. Zeitler, J. Rasburn, H. Powell, L.F. Gladden and M.L. Johns, Quantitative water content measurements in food wafers using terahertz radiation, Terahertz Science and Technology, 3, 172-182 (2011). |
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2010 |
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T. Ding, R. Li, J.A. Zeitler, T.L. Huber, L.F. Gladden, A.P.J. Middelberg and R.J. Falconer, Terahertz and far infrared spectroscopy of alanine-rich peptides having variable ellipicity, Optics Express, doi:10.1364/OE.18.027431, 18, 27431-27444 (2010). |
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E.P.J. Parrott, J.A. Zeitler, G. Simon, B. Hehlen, L.F. Gladden, S.N. Taraskin and S.R. Elliott, Atomic charge distribution in sodo-silicate glasses from terahertz time-domain spectroscopy, Physical Review B, doi:10.1103/PhysRevB.82.140203, 82, 140203(R) (2010). |
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O. Trushkevych, H. Xu, T. Lu, J.A. Zeitler, R. Rungsawang, F. Golden, N. Collings and W.A. Crossland, Broad spectrum measurement of the birefringence of an isothiocyanate based liquid crystal, Applied Optics, doi:10.1364/AO.49.005212, 49, 5212-5216 (2010). |
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R. Arrigo, M. Havecker, S. Wrabetz, R. Blume, M. Lerch, J. McGregor, E.P.J. Parrott, J.A. Zeitler, L.F. Gladden, A. Knop-Gericke, R. Schlogl and D.S. Su, Tuning the acid/base properties of nanotubes by functionalisation via amination, Journal of the American Chemical Society, doi:10.1021/ja910169v, 132, 9616-9630 (2010). |
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R. Li, J.A. Zeitler, D. Tomerini, E.P.J. Parrott, L.F. Gladden and G.M. Day, A study into the effect of subtle structural details and disorder on the terahertz spectrum of crystalline benzoic acid, Physical Chemistry Chemical Physics, doi:10.1039/B926536H, 12, 5329-5340 (2010). |
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K.A. Graeser, J.E. Patterson, J.A. Zeitler and T. Rades, The role of configurational entropy in amorphous systems, Pharmaceutics, doi:10.3390/pharmaceutics2020224, 2, 224-244 (2010). |
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H. Tuononen, E. Gornov, J.A. Zeitler, J. Aaltonen and K.E. Peiponen, Using modified Kramers-Kronig relations to test transmission spectra of porous media in THz-TDS, Optics Letters, doi:10.1364/OL.35.000631, 35, 631-633 (2010). |
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J. McGregor, Z. Huang, E.P.J. Parrott, J.A. Zeitler, K.L. Nguyen, J.M. Rawson, A. Carley, T.W. Hansen, J.P. Tessonier, D.S. Su, D. Teschner, E.M. Vass, A. Knop-Gericke, R. Schlogl and L.F. Gladden, Active coke: Carbonaceous materials as catalysts for alkane dehydrogenation, Journal of Catalysis, doi:10.1016/j.jcat.2009.11.016, 269, 329-339 (2010). |
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L. Ho, R. Müller, C. Krüger, K.C. Gordon, P. Kleinebudde, M. Pepper, T. Rades, Y.C. Shen, P.F. Taday and J.A. Zeitler, Investigating dissolution performance critical areas on coated tablets: a case study using terahertz pulsed imaging, Journal of Pharmaceutical Sciences,doi:10.1002/jps.21845, 99, 392-402 (2010). |
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2009 |
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Y.C. Shen, L. Gan, M. Stringer, A. Burnett, K. Tych, H. Shen, J.E. Cunningham, E.P.J. Parrott, J.A. Zeitler, L.F. Gladden, E.H. Linfield and A.G. Davies, Terahertz pulsed spectroscopic imaging using optimized binary masks, Applied Physics Letters,doi:10.1063/1.3271030, 95, 231112 (2009). |
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E.P.J. Parrott, J.A. Zeitler, and L.F. Gladden, Accurate determination of optical coefficients from chemical samples using terahertz time-domain spectroscopy and effective medium theory, Optics Letters, doi:10.1364/OL.34.003722, 34, 3722-3724 (2009). |
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E.P.J. Parrott, J.A. Zeitler, J. McGregor, S.P. Oei, H.E. Unalan, W.I. Milne, J.P. Tessonnier, D. Su, R. Schlögl and L.F. Gladden, The use of terahertz spectroscopy as a sensitive probe in discriminating the electronic properties of structurally similar multi-walled carbon nanotubes, Advanced Materials, doi:10.1002/adma.200900941, 21, 3953-3957 (2009). |
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E.P.J. Parrott, J.A. Zeitler, L.F. Gladden, S.N. Taraskin and S.R. Elliott, Extracting accurate optical parameters from glasses using terahertz time-domain spectroscopy, Journal of Non-Crystalline Solids, doi:10.1016/j.jnoncrysol.2009.04.071, 355, 1824-1827 (2009). |
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E.P.J. Parrott, J.A. Zeitler, J. McGregor, S.P. Oei, H.E. Unalan, S.C. Tan, W.I. Milne, M. Pepper, J.P. Tessonnier, R. Schlögl and L.F. Gladden, Understanding the dielectric properties of heat treated carbon nanofibres at THz frequencies, Journal of Physical Chemistry C,doi:10.1021/jp811226d, 113, 10554–10559 (2009). |
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L. Ho, R. Müller, K.C. Gordon, P. Kleinebudde, M. Pepper, T. Rades, Y.C. Shen, P.F. Taday and J.A. Zeitler, Monitoring the film coating unit operation and predicting the dissolution performance using terahertz pulsed imaging, Journal of Pharmaceutical Sciences,doi:10.1002/jps.21766, 98, 4866-4876 (2009). |
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K.A. Graeser, J.E. Patterson, J.A. Zeitler, K.C. Gordon and T. Rades, Correlating thermodynamic and kinetic parameters with amorphous stability, European Journal of Pharmaceutical Sciences,doi:10.1016/j.ejps.2009.04.005, 37, 492-498 (2009). |
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E.P.J. Parrott, J.A. Zeitler, T. Frišcic, G.M. Day, L.F. Gladden, M. Pepper and W. Jones, Testing the sensitivity of terahertz spectroscopy to changes in molecular and supramolecular structure: A study of structurally similar cocrystals, Crystal Growth and Design,doi:10.1021/cg8008893, 9, 1452-1460 (2009). |
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J.A. Zeitler and L.F. Gladden, In-vitro tomography and non-destructive imaging at depth of pharmaceutical solid dosage forms, invited review in European Journal of Pharmaceutics and Biopharmaceutics, doi:10.1016/j.ejpb.2008.08.012, 71, 2-22 (2009). |
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L. Ho, R. Müller, K.C. Gordon, P. Kleinebudde, M. Pepper, T. Rades, Y.C. Shen, P.F. Taday and J.A. Zeitler, Terahertz pulsed imaging as a process analytical tool for sustained-release tablet film coating, European Journal of Pharmaceutics and Biopharmaceutics,doi:10.1016/j.ejpb.2008.06.023, 71, 117-123 (2009). |
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2008 |
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V.P. Wallace, E. MacPherson, J.A. Zeitler and C. Reid, Three-Dimensional imaging of optically opaque materials using terahertz radiation,Journal of the Optical Society of America A, doi:10.1364/JOSAA.25.003120, 25, 3120-3133 (2008). |
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D.G. Allis, J.A. Zeitler, P.F. Taday and T.M. Korter, Theoretical analysis of the solid-state terahertz spectrum of the high explosive RDX,Chemical Physics Letters, doi:10.1016/j.cplett.2008.08.014, 463, 84-89 (2008). |
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D.X. Zhou, E.P.J Parrott, D. Paul and J.A. Zeitler, Determination of complex refractive index of thin metal films from terahertz time-domain spectroscopy, Journal of Applied Physics, doi:10.1063/1.2970161, 104, 053110-9 (2008). |
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K. Kogermann, J.A. Zeitler, C.J. Strachan, T. Rades, P.F. Taday and M. Pepper, J. Heinämäki and J. Rantanen, Investigating dehydration from compacts using terahertz pulsed, Raman and near-infrared spectroscopy, Applied Spectroscopy,doi:10.1366/000370207783292136, 61, 1265-1274 (2008). |
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L. Ho, R. Müller, K.C. Gordon, P. Kleinebudde, M. Pepper, T. Rades, Y.C. Shen, P.F. Taday and J.A. Zeitler, Applications of terahertz pulsed imaging to tablet coating quality assessment and dissolution performance, Journal of Controlled Release,doi:10.1016/j.jconrel.2008.01.002, 127, 79-87 (2008). |
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O. Hirsch, P. Alexander and L.F. Gladden, Techniques for cancellation of interfering multiple reflections in terahertz time-domain measurements, Microelectronics Journal, doi:10.1016/j.mejo.2008.01.001, 39, 841-848 (2008). |
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2007 |
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J. Obradovic, J.H.P. Collins, O. Hirsch, M.D. Mantle, M.L. Johns and L.F. Gladden, The use of THz time-domain reflection measurements to investigate solvent diffusion in polymers, Polymer, doi:10.1016/j.polymer.2007.04.010, 48, 3494-3503 (2007). |
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K.L Nguyen, T. Friscic, G.M. Day, L.F. Gladden and W. Jones, Terahertz time-domain spectroscopy and the quantitative monitoring of mechanochemical cocrystal formation, Nature Materials, doi:10.1038/nmat1848, 6, 206-209 (2007). |
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J.A. Zeitler, P.F. Taday, K.C. Gordon, M. Pepper and T. Rades, Solid-state transition mechanism in carbamazepine polymorphs by time-resolved terahertz spectroscopy, ChemPhysChem, doi:10.1002/cphc.200700261, 8, 1924-1927 (2007). |
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J.A. Zeitler, P.F. Taday, M. Pepper, and T. Rades, Relaxation and crystallization of amorphous carbamazepine studied by terahertz pulsed spectroscopy, Journal of Pharmaceutical Sciences, doi:10.1002/jps.20908, 96, 2703-2709 (2007). |
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L. Ho, R. Müller, M. Römer, K.C. Gordon, J. Heinämäki, P. Kleinebudde, M. Pepper, T. Rades, Y.C. Shen, C.J. Strachan, P.F. Taday, and J.A. Zeitler, The analysis of sustained-release tablet film coats using terahertz pulsed imaging, Journal of Controlled Release,doi:10.1016/j.jconrel.2007.03.011, 119, 253-261 (2007). |
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F. Tian, D.J. Saville, K.C. Gordon, C.J. Strachan, J.A. Zeitler, and T. Rades, The influence of various excipients on the conversion kinetics of carbamazepine polymorphs in aqueous suspension, Journal of Pharmacy and Pharmacology, doi:10.1211/jpp.59.2.0006, 59, 193-201 (2007). |
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J.A. Zeitler, Y.C. Shen, C. Baker, P.F. Taday, M. Pepper, and T. Rades, Analysis of coating structures and interfaces in solid oral dosage forms by three dimensional terahertz pulsed imaging, Journal of Pharmaceutical Sciences, doi:10.1002/jps.20789, 96, 330-340 (2007). |
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J.A. Zeitler, K. Kogermann, J. Rantanen, T. Rades, P.F. Taday, M. Pepper, J. Aaltonen, and C.J. Strachan, Drug Hydrate Systems and Dehydration Processes Studied by Terahertz Pulsed Spectroscopy, International Journal of Pharmaceutics,doi:10.1016/j.ijpharm.2006.10.027, 334, 78-84 (2007). |
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J.A. Zeitler, P.F. Taday, D.A. Newnham, M. Pepper, K.C. Gordon, and T. Rades, Terahertz pulsed spectroscopy and imaging in the pharmaceutical setting, Journal of Pharmacy and Pharmacology, doi:10.1211/jpp.59.2.0008, 59, 209-223 (2007). |
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2006 |
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P.C. Upadhya, K.L. Nguyen, Y.C. Shen, J. Obradovic, K. Fukushige, R. Griffiths, L.F. Gladden, A.G. Davies and E.H. Linfield, Characterization of crystalline phase-transformations in theophylline by time-domain terahertz spectroscopy, Spectroscopy Letters,doi:10.1080/00387010600636916, 39, 215-224 (2006). |
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K.L. Nguyen, M.L. Johns, L.F. Gladden, C.H. Worrall, P. Alexander, H.E. Beere, M. Pepper, D.A. Ritchie, J. Alton, S. Barbieri and E.H. Linfield, Three-dimensional imaging with a terahertz quantum cascade laser, Optics Express, doi:10.1364/OE.14.002123, 14, 2123-2129 (2006). |
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J.A. Zeitler, D.A. Newnham, P.F. Taday, T.L. Threlfall, R.W. Lancaster, R.W. Berg, C.J. Strachan, M. Pepper, K.C. Gordon, and T. Rades, Characterization of temperature induced phase transitions in the five polymorphic forms of sulfathiazole studied by terahertz pulsed spectroscopy and differential scanning calorimetry, Journal of Pharmaceutical Sciences, doi:10.1002/jps.20719, 95, 2486-2498 (2006). |
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G.M. Day, J.A. Zeitler, W. Jones, T. Rades, and P.F. Taday 2006. Understanding the influence of polymorphism on phonon spectra: lattice dynamics calculations and terahertz spectroscopy of carbamazepine, Journal of Physical Chemistry B, doi:10.1021/jp055439y, 110, 447-456 (2006). |
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F. Tian, J.A. Zeitler, C.J. Strachan, D.J. Saville, K.C. Gordon, and T. Rades, Characterizing the transformation kinetics of carbamazepine polymorphs to the dihydrate using Raman spectroscopy, Journal of Pharmaceutical and Biomedical Analysis,doi:10.1016/j.jpba.2005.07.030, 40, 271-280 (2006). |
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C.M. McGoverin, L.C.H. Ho, J.A. Zeitler, C.J. Strachan, K.C. Gordon, and T. Rades, Quantification of binary mixtures of ranitidine hydrochloride using NIR spectroscopy, Vibrational Spectroscopy, doi:10.1016/j.vibspec.2006.04.026, 41, 225-231 (2006). |
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2005 |
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J.A. Zeitler, D.A. Newnham, P.F. Taday, C.J. Strachan, M. Pepper, K.C. Gordon, and T. Rades, Temperature dependent terahertz pulsed spectroscopy of carbamazepine, Thermochimica Acta, doi:10.1016/j.tca.2005.07.006, 436, 71-77 (2005). |
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C.J. Strachan, P.F. Taday, D.A. Newnham, K.C. Gordon, J.A. Zeitler, M. Pepper, and T. Rades, Using terahertz pulsed spectroscopy to quantify pharmaceutical polymorphism and crystallinity, Journal of Pharmaceutical Sciences, doi:10.1002/jps.20281, 94, 837-846 (2005). |
