Own Publications

Scientific publications

2012
Discovery of GABA_A receptor modulator aristolactone in a commercial sample of the Chinese herbal drug “Chaihu” (Bupleurum chinense roots) unravels adulteration by nephrotoxic Aristolochia manshuriensis roots. Rueda, D.C., Zaugg, J., Quitschau, M., Reich, E., Hering, S., Hamburger, M. (2012) Planta Medica 78(3) 207-210.

2010
An interlaboratory investigation on the use of high-performance thin layer chromatography to perform assays of lamivudine-zidovudine, metronidazole, nevirapine, and quinine composite samples. Kaale, E., Risha, P., Reich, E., Layloff, T. P. (2010)  J. AOAC Int. 93, 1836-1843.

High-performance thin layer chromatography for quality control of multicomponent herbal drugs: example of Cangzhu Xianglian San.  Li, Z., Merfort, I., Reich, E. (2010)  J. AOAC Int. 93, 1390-1398.

2009
A validated HPTLC method for the determination of illegal dyes in spices and spice mixtures.  Kandler, H., Bleisch, M., Widmer, V., Reich, E. (2009)  J. Liq. Chromatogr. Related Technol. 32, 1273-1288.

Plant analysis 2008 - Planar chromatography. Reich, E., Widmer, V. (2009)  Planta Medica 75 (7), 711-718.

2008
Rapid high-performance thin-layer chromatographic method for detection of 5% adulteration of black cohosh with Cimicifuga foetida, C. heracleifolia, C. dahurica, or C. americana. Ankli, A., Reich, E., Steiner, M. (2008) J. AOAC Int. 91, 1257-1260.

Validated HPTLC method for the determination of salicin in Salix sp. and of harpagoside in Harpagophytum procumbens. Wagner, S., Ureña, A., Reich, E., Merfort, I. (2008) J. Pharm. Biomed Anal. 48 (3) 587-591.

Separation of phospholipids by HPTLC - an investigation of important parameters. Handloser, D., Widmer, V., Reich, E. (2008) J. Liq. Chromatogr. Related Technol. 31, 1857-1870. 

Validation of high-performance thin-layer chromatographic methods for the identification of botanicals in a cGMP environment. Reich, E., Schibli, A., DeBatt, A. (2008) J. AOAC Int. 91, 13-20. Appendix (complete documentation and method write-up).

Validated HPTLC method for identification ofHoodia gordonii. Widmer, V., Reich, E., DeBatt, A. (2008) J. Planar Chromatogr. 21, 21–26.

2007
Quantitative HPTLC analysis of artemisinin in dried Artemisia annua L.:a practical approach. Widmer, V., Handloser, D., Reich E. (2007) J. Liq. Chromatogr. Related Technol. 30, 2209 - 2219.

2006
HPTLC Methods for Identification of Green Tea and Green Tea Extract. Reich, E., Schibli, A., Widmer, V., Jorns, R., Wolfram, E., DeBatt, A. (2006) J. Liq. Chromatogr. Related Technol. 29, 2141 - 2151.
   
2005
Stationary Phases for Planar Separations - Plates for Modern TLC. Reich, E., Schibli, A. (2005) LC GC 23, 58-69.

Quantitative Determination of β-Asarone in Calamus by High-Performance Thin-Layer Chromatography. Widmer, V., Schibli, A., and Reich, E. (2005) J. AOAC Int. 88, 1562-1567.

Modern TLC: A Key Technique for Identification and Quality Control of Botanicals and Dietary Supplements. Schibli, A., Reich, E. (2005) J. Planar Chromatogr. 18, 34-38.

2004
Modern TLC: A Key Technique for Identification and Quality Control of Botanicals and Dietary Supplements. Reich, E., Blatter, A. (2004) Inside Laboratory Management, May/June, 14-18.

Qualitative and Quantitative HPTLC Methods for Quality Control of Stephania tetrandra. Blatter, A., Reich, E. (2004) J. Liq. Chromatogr. Related Technol. 27, 1-14.

A Standardized Approach to Modern High-Performance Thin-Layer Chromatography (HPTLC). Reich, E., Schibli, A., (2004) J. Planar Chromatogr. 17, 438-443.

High Performance Thin-Layer Chromatographic Analysis of Aristolochic Acids in Chinese Drugs. Schibli, A., Reich, E. (2004) J. Planar Chromatogr. 17, 355-359.

2003
HPTLC for the Analysis of Herbal drugs, Herbal Drug Preparations and Herbal Medicinal Products. Reich, E., and Blatter, A. (2003), in Handbook of Thin-Layer Chromatography (Sherma, J., and Fried, B., Eds) 3. ed., chapter 18, Dekker, New York.

TLC for the Analysis of Herbal Drugs: A Critical Review of the Status and Proposal for Improvements of Monographs. Reich, E., Blatter, A., and Meier, B. (2003) Pharmeuropa 15.3, 424-430.

A new HPTLC-method for identification of stinging nettle leaves. Koll, K., Reich, E., Blatter, A., und Veit, M. (2003) Zeitschrift für Arznei- und Gewürzpflanzen 8, 175-180.

Optimierung und Validierung dünnschichtchromatograhischer Verfahren in der Qualitätsanalytik von Phytopharmaka. Koll, K., Dissertation, Universität Bonn, 2003.

Validation of Standardized High-Performance Thin-Layer Chromatographic Methods for Quality Control and Stability Testing of Herbals. Koll, K., Reich, E., Blatter, A., and Veit, M. (2003) J. AOAC Int. 86, 909-915.

2002
An AOAC Peer-Verified Method for Identification of Echinacea Species by HPTLC. Reich, E., Blatter, A., Jorns, R., Kreuter, M., and Tiekötter, K., (2002) J. Planar Chromatogr. 15, 244-251.

A Standardized Approach to Modern High Performance Thin-Layer Chromatography (HPTLC). Reich, E., Blatter, A., (2002), in Proceedings of the International Symposium "Planar Chromatography Today" (Vovk, I., and Medja, A., Eds), 7-21, Novo Mesto.

Applications of HPTLC for qualitative and quantitative analysis of medicinal plants.
Reich, E., Blatter, A., (2002) Zeitschrift für Arznei- und Gewürzpflanzen 7, 416-421 (German).

2001
Recent investigations on St. John's Wort by HPTLC.
Blatter, A., Reich, E. (2001), in Proceedings of the International Symposium on Planar Separations - Planar Chromatography (Nyiredy, Sz., Ed), 23-32, Lillafüred.

Thin Layer Chromatography: Overview.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2^nd ed., 57-66, Elsevier Academic, San Diego.

Thin Layer Chromatography: Method development.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2^nd ed., 83-91, Elsevier Academic, San Diego.

Thin Layer Chromatography: Instrumentation.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2^nd ed., 91-99, Elsevier Academic, San Diego.

Since 2001 to date
Various monographs for the American Herbal Pharmacopoeia.
American Herbal Pharmacopoeia™, PO Box 5159, Santa Cruz, CA 95063, USA .

Other publications

2009
Modernizing TLC. New instrumentation, materials, and analysis techniques take lab staple into high-performance arena. Kemsley, J. (2009) C&EN News 87(20),  11-18.

2006
HPTLC for Rapid Identification of Black Cohosh.
Reich, E., Widmer, V. (2006) LC GC The Applications Book, July 2006, 15.

2003
TLC for the Analysis of Herbal Drugs.
Reich, E., Blatter, A., Meier, B. (2003) G.I.T. Laboratory Journal 5, 262-263.

For further information on any of these publications please contact Lab@camag.com.