Two novel methods for the determination of CYP1A2 activity using the paraxanthine/caffeine ratio

Lous J. A. E. Doude van Troostwijk; Richard P. Koopmans; Henk-Jan Guchelaar

doi:10.1046/j.1472-8206.2003.00136.x

Two novel methods for the determination of CYP1A2 activity using the paraxanthine/caffeine ratio

Fundamental and Clinical Pharmacology ◽

10.1046/j.1472-8206.2003.00136.x ◽

2003 ◽

Vol 17 (3) ◽

pp. 355-362 ◽

Cited By ~ 10

Author(s):

Lous J. A. E. Doude van Troostwijk ◽

Richard P. Koopmans ◽

Henk-Jan Guchelaar

Keyword(s):

Cyp1a2 Activity ◽

Novel Methods

Download Full-text

Novel methods for identification and quantification of the mushroom nephrotoxin orellanine Thin-layer chromatography and electrophoresis screening of mushrooms with electron spin resonance determination of the toxin

Journal of Chromatography A ◽

10.1016/s0021-9673(96)00695-4 ◽

1997 ◽

Vol 758 (1) ◽

pp. 145-157 ◽

Cited By ~ 32

Author(s):

H. Oubrahim ◽

J.-M. Richard ◽

D. Cantin-Esnault ◽

F. Seigle-Murandi ◽

F. Trécourt

Keyword(s):

Electron Spin Resonance ◽

Thin Layer ◽

Thin Layer Chromatography ◽

Electron Spin ◽

Spin Resonance ◽

Novel Methods ◽

Layer Chromatography ◽

Identification And Quantification

Download Full-text

Non-Invasive Determination Of Cardiac Output - Comparison Of Novel Methods And Cardiac Magnetic Resonance Imaging

10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a3792 ◽

2012 ◽

Author(s):

Frederik Trinkmann ◽

Manuel Berger ◽

Christina Doesch ◽

Matthias Sampels ◽

Theano Papavassiliu ◽

...

Keyword(s):

Magnetic Resonance Imaging ◽

Cardiac Output ◽

Cardiac Magnetic Resonance ◽

Magnetic Resonance ◽

Cardiac Magnetic Resonance Imaging ◽

Resonance Imaging ◽

Non Invasive ◽

Novel Methods

Download Full-text

Two novel methods for the determination of the number of components in independent components analysis models

Chemometrics and Intelligent Laboratory Systems ◽

10.1016/j.chemolab.2011.12.005 ◽

2012 ◽

Vol 112 ◽

pp. 24-32 ◽

Cited By ~ 62

Author(s):

D. Jouan-Rimbaud Bouveresse ◽

A. Moya-González ◽

F. Ammari ◽

D.N. Rutledge

Keyword(s):

Independent Components Analysis ◽

Number Of Components ◽

Independent Components ◽

Components Analysis ◽

Novel Methods ◽

Analysis Models

Download Full-text

Determination of urinary 13C-caffeine metabolites by liquid chromatography–mass spectrometry: the use of metabolic ratios to assess CYP1A2 activity

Journal of Pharmaceutical and Biomedical Analysis ◽

10.1016/s0731-7085(03)00528-4 ◽

2004 ◽

Vol 34 (2) ◽

pp. 379-389 ◽

Cited By ~ 26

Author(s):

Marie-Sophie Caubet ◽

Blandine Comte ◽

Jean-Louis Brazier

Keyword(s):

Mass Spectrometry ◽

Liquid Chromatography ◽

Liquid Chromatography Mass Spectrometry ◽

Cyp1a2 Activity ◽

Chromatography Mass Spectrometry

Download Full-text

NOVEL METHODS FOR THE RAPID SPECTROPHOTOMETRIC DETERMINATION OF DAPSONE

Analytical Letters ◽

10.1081/al-120006728 ◽

2002 ◽

Vol 35 (9) ◽

pp. 1531-1540 ◽

Cited By ~ 11

Author(s):

Padmarajaiah Nagaraja ◽

Hemmige S. Yathirajan ◽

Kallanchira R. Sunitha ◽

Ramanathapura A. Vasantha

Keyword(s):

Spectrophotometric Determination ◽

Novel Methods

Download Full-text

Novel methods for the determination of the angiogenic activity of human tumors

Breast Cancer Research and Treatment ◽

10.1007/bf00666039 ◽

1995 ◽

Vol 36 (2) ◽

pp. 181-192 ◽

Cited By ~ 31

Author(s):

Mattia Barbareschi ◽

Giampietro Gasparini ◽

Luca Morelli ◽

Stefano Forti ◽

Paolo Dalla Palma

Keyword(s):

Human Tumors ◽

Angiogenic Activity ◽

Novel Methods

Download Full-text

ChemInform Abstract: Novel Methods of Structure Determination of Prenylated Phenols with 1H and 13C NMR Spectra

ChemInform ◽

10.1002/chin.199925307 ◽

2010 ◽

Vol 30 (25) ◽

pp. no-no

Author(s):

Taro Nomura ◽

Toshio Fukai

Keyword(s):

13C Nmr ◽

Structure Determination ◽

Nmr Spectra ◽

13C Nmr Spectra ◽

1H And 13C Nmr ◽

Novel Methods

Download Full-text

Frequency doubling scattering and second-order scattering technology as novel methods for the determination of the inclusion constant of procaine hydrochloride to β-cyclodextrin

Analytica Chimica Acta ◽

10.1016/s0003-2670(02)00999-6 ◽

2002 ◽

Vol 472 (1-2) ◽

pp. 89-98 ◽

Cited By ~ 22

Author(s):

Nian Bing Li ◽

Shao Pu Liu ◽

Hong Qun Luo

Keyword(s):

Frequency Doubling ◽

Second Order ◽

Procaine Hydrochloride ◽

Inclusion Constant ◽

Novel Methods

Download Full-text

The determination of the Paraxanthine/Caffeine ratio as a metabolic biomarker for CYP1A2 activity in various human matrices by UHPLC-ESIMS/MS

Talanta ◽

10.1016/j.talanta.2021.122658 ◽

2021 ◽

pp. 122658

Author(s):

Bassam Lajin ◽

Natascha Schweighofer ◽

Walter Goessler ◽

Barbara Obermayer-Pietsch

Keyword(s):

Cyp1a2 Activity

Download Full-text

Establishment and comparison of three novel methods for the determination of the photodynamic therapy agent 2-[1-hexyloxyethyl]-2-devinyl pyropheophorbide-a (HPPH) in human serum

Journal of Pharmaceutical and Biomedical Analysis ◽

10.1016/j.jpba.2015.12.057 ◽

2016 ◽

Vol 121 ◽

pp. 13-21 ◽

Cited By ~ 4

Author(s):

Lin Chen ◽

Qingqing Xiao ◽

Xian Zhang ◽

Jin Yang

Keyword(s):

Photodynamic Therapy ◽

Human Serum ◽

Pyropheophorbide A ◽

Novel Methods

Download Full-text