Publications

New Book: Terahertz Spectroscopy and Imaging

THz book cover

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.

More information on Springer.com

2013

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 (2013).

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 Lettersdoi:10.1063/1.4804610, 102, 181110 (2013).

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).

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, (2013)

D. BrockJ.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).

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, 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_8, pp. 191–227.

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.

2012

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).

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).

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).

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).

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 Biopharmaceuticsdoi:10.1016/j.ejpb.2011.12.003, 80, 690-697 (2012).

2011

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).

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).

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).

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).

2010

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).

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).

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).

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).

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).

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).

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).

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).

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). 

2009

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).

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).

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).

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).

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). 

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). 

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).

E.P.J. Parrott, J.A. Zeitler, T. Friščić, 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). 

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). 

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). 

2008

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). 

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). 

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). 

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).

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).

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).

2007

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).

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).

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).

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).

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).

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).

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).

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).

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).

2006

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).

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).

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).

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).

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).

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).

2005

 

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).

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).