Sensitive analysis of trace caffeine in human serum by HPLC using tetraazacalix[2]arene[2]triazine-modified silica as SPE sorbent

Caffeine exposure during rat brain development causes memory impairment in a sex selective manner that is offset by caffeine consumption throughout life

(2016) Ana Paula Ardais et al.   BEHAVIOURAL BRAIN RESEARCH

Voltammetric determination of paracetamol, tramadol and caffeine using poly(Nile blue) modified glassy carbon electrode

(2016) S. Chitravathi et al.   JOURNAL OF ELECTROANALYTICAL CHEMISTRY

Comparison of accelerated solvent extraction and quick, easy, cheap, effective, rugged and safe method for extraction and determination of pharmaceuticals in vegetables

(2015) Ya-Hui Chuang et al.   JOURNAL OF CHROMATOGRAPHY A

Determination of Trace Acrylamide in Starchy Foodstuffs by HPLC Using a Novel Mixed-Mode Functionalized Calixarene Sorbent for Solid-Phase Extraction Cleanup

(2014) Wenfen Zhang et al.   JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

Development and application of a new 25,27-bis(l-phenylalaninemethylester-N-carbonylmethoxy)-26,28-dihydroxy-para-tert-butylcalix[4]arene stationary phase

(2013) Kai Hu et al.   JOURNAL OF SEPARATION SCIENCE

SPE-HPLC-MS/MS method for the trace analysis of tobacco-specificN-nitrosamines and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol in rabbit plasma using tetraazacalix[2]arene[2]triazine-modified silica as a sorbent

(2013) Lei Wang et al.   JOURNAL OF SEPARATION SCIENCE

Thiolene and SIFEL-based microfluidic platforms for liquid–liquid extraction

(2013) Sachit Goyal et al.   SENSORS AND ACTUATORS B-CHEMICAL

Development of a fiber coating based on molecular sol–gel imprinting technology for selective solid-phase micro extraction of caffeine from human serum and determination by gas chromatography/mass spectrometry

(2012) Afshin Rajabi Khorrami et al.   ANALYTICA CHIMICA ACTA

Extraction of caffeine from natural matter using a bio-renewable agrochemical solvent

(2012) David Villanueva Bermejo et al.   FOOD AND BIOPRODUCTS PROCESSING

Voltammetric determination of caffeine in beverage samples on bare boron-doped diamond electrode

(2012) L’ubomír Švorc et al.   FOOD CHEMISTRY

Analysis of some selected catechins and caffeine in green tea by high performance liquid chromatography

(2012) M.S. El-Shahawi et al.   FOOD CHEMISTRY

Tetraazacalix[2]arene[2]triazine modified silica gel: A novel multi-interaction stationary phase for mixed-mode chromatography

(2012) Wenjie Zhao et al.   JOURNAL OF CHROMATOGRAPHY A

Determination of nitrosamines and caffeine metabolites in wastewaters using gas chromatography mass spectrometry and ionic liquid stationary phases

(2012) Carolina Reyes-Contreras et al.   JOURNAL OF CHROMATOGRAPHY A

Preparation, characterization and application of a new 25,27-bis-[2-(5-methylthiadiazole)thioethoxyl]-26,28-dihydroxy-para-tert-butyl calix[4]arene stationary phase for HPLC

(2012) Kai Hu et al.   JOURNAL OF SEPARATION SCIENCE

Selective extraction of emerging contaminants from water samples by dispersive liquid–liquid microextraction using functionalized ionic liquids

(2011) Cong Yao et al.   JOURNAL OF CHROMATOGRAPHY A

New oxo-bridged calix[2]arene[2]triazine stationary phase for high performance liquid chromatography

(2011) Wenjie Zhao et al.   JOURNAL OF CHROMATOGRAPHY A

Fast and simultaneous determination of phenolic compounds and caffeine in teas, mate, instant coffee, soft drink and energetic drink by high-performance liquid chromatography using a fused-core column

(2010) M.A. Rostagno et al.   ANALYTICA CHIMICA ACTA

Determination of pharmaceuticals in biosolids using accelerated solvent extraction and liquid chromatography/tandem mass spectrometry

(2010) Yunjie Ding et al.   JOURNAL OF CHROMATOGRAPHY A

Halide Recognition by Tetraoxacalix[2]arene[2]triazine Receptors: Concurrent Noncovalent Halide-π and Lone-pair-π Interactions in Host-Halide-Water Ternary Complexes

(2008) De-Xian Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A tandem mass spectrometry assay for the simultaneous determination of acetaminophen, caffeine, phenytoin, ranitidine, and theophylline in small volume pediatric plasma specimens

(2008) Yi Zhang et al.   CLINICA CHIMICA ACTA

High-throughput determination of theophylline and caffeine in human serum by conventional liquid chromatography-mass spectrometry

(2008) Tetsuya Arinobu et al.   Forensic Toxicology

Investigation of the retention mechanism of naphthol and benzenediol on calix[4]arene stationary phase based on quantum chemistry calculations

(2008) Kai Hu et al.   JOURNAL OF SEPARATION SCIENCE