Results 71 to 80 of about 4,299 (226)
Drug Testing and Analysis, Volume 17, Issue 10, Page 1877-1895, October 2025.This study is related to the development of a microextraction method for the determination of 56 psychoactive substances in oral fluid. Sample clean‐up is obtained by parallel artificial liquid membrane extraction and analyzed by liquid chromatography–tandem mass spectrometry.
Martina Croce +6 more
wiley +1 more source
Reviews in Analytical Chemistry, 2021 To determine the trace amount of four benzoic acid esters in cosmetics, ionic dispersive liquid–liquid microextraction (DLLME) and magnetic solid-phase extraction were combined and optimized.
Gao Xun +7 more
doaj +1 more source
Recent advances in the determination of biogenic amines in food samples by (U)HPLC [PDF]
, 2016 The determination of biogenic amines (BAs) in food products stirs up an increasing interest because of the implications in toxicological and food quality issues.
Núñez Burcio, Oscar +2 more
core +1 more source
SEPARATION SCIENCE PLUS, Volume 8, Issue 9, September 2025.ABSTRACT A novel pipette‐tip solid‐phase extraction method was developed using a molecularly imprinted monolithic sorbent composed of poly(trimethylolpropane triacrylate‐co‐ethylene glycol dimethacrylate‐co‐methacrylic acid) for the selective extraction of N‐nitrosodimethylamine from pharmaceutical formulations.
Allyson Leandro Rodrigues dos Santos +2 more
wiley +1 more source
Validation of an analytical method for determination of 13 priority polycyclic aromatic hydrocarbons in mineral water using dispersive liquid-liquid microextraction and GC-MS [PDF]
, 2016 Dispersive liquid-liquid microextraction (DLLME) combined with gas chromatography–mass spectrometry (GC–MS) was used for the extraction and determination of 13 polycyclic aromatic hydrocarbons (PAHs) in mineral water samples.
Bayat, Mitra. +4 more
core
Contactless Conductivity Detection for Capillary Electrophoresis—Developments From 2020 to 2024
ELECTROPHORESIS, Volume 46, Issue 13-14, Page 829-862, July 2025.ABSTRACT The review covering the development of capillary electrophoresis with capacitively coupled contactless conductivity detection from 2020 to 2024 is the latest in a series going back to 2004. The article considers applications employing conventional capillaries and planar lab‐on‐chip devices as well as fundamental and technical developments of ...
Peter C. Hauser, Pavel Kubáň
wiley +1 more source
Liquid-Liquid Microextraction of Tetrahedral Oxoanions by Nano-baskets [PDF]
, 2012 This paper introduces a nano-based microextraction and examines its ability in preconcentration of dinegative tetrahedral oxoanions in the produced water.
Mokhtari, B., Pourabdollah, K.
core
Therapeutic Drug Monitoring and Methods of Quantitation for Carbamazepine [PDF]
, 2017 Carbamazepine is an early anticonvulsant still used today in the treatment of several forms of epilepsy. An active metabolite in the human body contributes to its pharmacological effect.
Ana Vlasceanu +7 more
core +4 more sources
Journal of Separation Science, Volume 48, Issue 7, July 2025.ABSTRACT Estrogen hormones are present in the human body at varying concentrations, either naturally or through ingestion. At regulated levels, these compounds perform vital functions in the body. However, elevated concentrations are related to deregulation of several processes, such as abnormal cell proliferation, which can lead to the development of ...
Lucas Morés +3 more
wiley +1 more source
Acta Chimica Slovenica, 2018 Thin-layer chromatography (TLC) is an often omitted analytical technique due to its lower sensitivity and separation capacity. Even in the era of high-performance liquid chromatography (HPLC), thin-layer chromatography still offers many advantages, such ...
Elena Kupcova +2 more
doaj +1 more source