Results 31 to 40 of about 5,286,924 (174)

Liquid Phase Microextraction Techniques Combined with Chromatography Analysis: A Review [PDF]

, 2019
Sample pretreatment is the first and the most important step of an analytical procedure. In routine analysis, liquid liquid microextraction (LLE) is the most widely used sample pre-treatment technique, whose goal is to isolate the target analytes ...
Giorgio Marrubini, Marcello Campagna, Stefano Dugheri, Daniela Ubiali, Giulio Arcangeli, Nicola Mucci, Manfredi Montalti, Alessandro Bonari, Giovanni Cappelli   +8 more
core   +3 more sources

Recent elaborations in electromembrane microextraction technique for preconcentration of chromium species: A mini-review

Advances in Sample Preparation, 2023
In recent years, electromembrane microextraction techniques have been used widely for the analysis of chromium species (trivalent and hexavalent chromium) in different environmental matrices.
Waleed Alahmad, Shaymaa A. Mohamed, Ahmad Halabi   +2 more
doaj   +1 more source

Applications of Liquid-Phase Microextraction in the Sample Preparation of Environmental Solid Samples

Molecules, 2014
Solvent extraction remains one of the fundamental sample preparation techniques in the analysis of environmental solid samples, but organic solvents are toxic and environmentally harmful, therefore one of the possible greening directions is its ...
Helena Prosen
doaj   +1 more source

Underground Signals: The Ecological Power of Root Volatiles

Advanced Science, EarlyView.
Root volatiles mediate rhizosphere chemical communication, shaping interactions among plants, microbes, herbivores, and natural enemies. Their production, transport, and perception underpin ecological adaptation, multitrophic interactions, and plant resilience, offering opportunities for sustainable crop protection, resilient agroecosystems, and ...
Xueyao Cao, Nanli Song, François Verheggen, Meritxell Pérez‐Hedo, Andrea Clavijo McCormick, Antonino Cusumano, Arthur de Fouchier, Bing Wang, Chen‐Zhu Wang, Emmanuelle Jacquin‐Joly, Gary W. Felton, Geoff M. Gurr, Hao Guo, Jiancai Li, Jin Zhang, Li Chen, Manqun Wang, Michele Ricupero, Peng Han, Peng He, Qi Yan, Qingbo Tang, Qingsong Liu, Shiheng An, Xiangbo Kong, Xiaoling Sun, Xueming Ren, Yuanyuan Song, Yang Liu, Yanhui Guo, Yunhe Li, Xiao Sun   +31 more
wiley   +1 more source

Antidepressant Misuse in Esports: A Review of Pharmacology, Adverse Effects, Pharmacokinetics and Biomatrix‐Based Detection for Anti‐Doping Applications

Drug Testing and Analysis, EarlyView.
This review highlights the misuse of antidepressants as potential cognitive‐enhancing agents in Esports. Despite pharmacological effects that overlap with those of psychostimulants, antidepressants remain an under‐recognised source of doping in Esports.
Kassim Ali Salum, Shao‐Hsin Hung, Meng‐Tsang Hsieh, Mei‐Chich Hsu, William Chih‐Wei Chang   +4 more
wiley   +1 more source

Environmental Applications of Solid Phase Microextraction Techniques

, 2015
Miniaturization is a strategy employed in sample preparation that has gained much prominence in recent years due to the need to develop more efficient procedures that consume less solvent and time. The analysis of important families of contaminants, such
Torres Padrón, María Esther, Sosa Ferrera, María Zoraida, Montesdeoca Esponda, Sarah, Santana Rodríguez, José Juan   +3 more
core   +1 more source

Tracking Base Note Persistence in Fragrances by Time‐Resolved Analysis: Revealing Ingredient Contributions

Flavour and Fragrance Journal, EarlyView.
A validated dynamic headspace–thermal desorption–GC method was developed to measure the substantivity of synthetic musks over time. The method enables objective assessment of fragrance persistence and highlights the contribution of fragrance long‐lasting technologies.
Catherine Malhiac, Charbel Hawko, Jennifer Buzzi, Haris Laghouati, Christophe Marin, Géraldine Savary   +5 more
wiley   +1 more source

Cortiça: uma nova abordagem como fase extratora para microextração em fase sólida e microextração em barra adsortiva [PDF]

, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.Neste estudo foi proposto pela primeira vez o uso da cortiça como fase extratora para duas ...
Dias, Adriana Neves
core  

Microextração em fase líquida (LPME): fundamentos da técnica e aplicações na análise de fármacos em fluidos biológicos Liquid-phase microextraction (LPME): fundamentals and applications to the analysis of drugs in biological samples

Química Nova, 2008
The analysis of drugs and metabolites in biological fluids usually requires extraction procedures to achieve sample clean-up and analyte preconcentration.
Anderson Rodrigo Moraes de Oliveira, Igor Rafael dos Santos Magalhães, Fernando José Malagueño de Santana, Pierina Sueli Bonato   +3 more
doaj   +1 more source

Monitoring and Mitigation Strategies for Hazardous Compounds in Chinese Rice Wine (Huangjiu): A Comprehensive Review

Food Safety and Health, EarlyView.
This review elucidates the formation pathways and detection technologies for ethyl carbamate, biogenic amines, and higher alcohols in Huangjiu. It concludes that integrated control frameworks are essential to decouple safety risks from the metabolic processes responsible for flavor development.
Lulu Liu, Zhiqiang Kong, Lin Li, Yifan Zhang, Bei Fan, Minmin Li   +5 more
wiley   +1 more source