Results 11 to 20 of about 5,010,052 (177)

Liquid-phase microextraction of polycyclic aromatic hydrocarbons: A review

Reviews in Analytical Chemistry, 2020
Polycyclic aromatic hydrocarbons (PAHs) are a large group of organic compounds comprised of two or more fused benzene rings, which arise from the incomplete combustion of organic materials. These compounds have been of concern as carcinogens and mutagens
Jalili Vahid, Barkhordari Abdullah, Ghiasvand Alireza   +2 more
doaj   +3 more sources

Applications of ionic liquids in the microextraction of pesticides: A mini-review

Journal of Chromatography Open, 2023
The development of preferably simple, fast, sensitive, selective and relatively inexpensive methods for the determination of pesticide residues in food and environmental samples is essential.
Prince Obeng Boamah, Lina Wang, Wei Shen, Sheng Tang, Hian Kee Lee   +4 more
doaj   +1 more source

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

Non-steroidal anti-inflammatory drugs (NSAIDs) in the environment: Updates on pretreatment and determination methods

Ecotoxicology and Environmental Safety, 2023
Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used in human and animal health care to reduce persistent inflammation, pain and fever because of their anti-inflammatory, analgesic and antipyretic effects.
Yu Zhou, Jia-yuan Lin, Yu Bian, Chen-jie Ren, Ni Xiao-li, Chun-yu Yang, Xu Xiao-xue, Xue-song Feng   +7 more
doaj   +1 more source

Hollow Fiber Liquid Phase Microextraction

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2013
Even though high precision analytical devices are developed in qualitative and quantitative determination of substance or substances in matrix samples (biological, environmental, food etc.), analytical devices mostly fail determining in matrix ...
Erol Alver, Ayla Demirci, Mustafa Özcimder   +2 more
doaj   +1 more source

Comparison of Directly Suspended Drop Microextraction with Dispersive Liquid-liquid Microextraction Method for Extraction of Doxepin in Water and Biological Samples Prior to UV-Vis Spectrophotometer [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2020
The present research describes the use of directly suspended drop microextraction and air-assisted dispersive liquid-liquid microextraction method coupled with UV-Vis spectrophotometer for the analysis of doxepin in water and biological samples.
Samaneh Khani, Farideh Mofazzeli
doaj   +1 more source

Liquid - liquid flows in microchannels [PDF]

, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Dore, V, Tsaoulidis, D, Angeli, P, 3rd Micro and Nano Flows Conference (MNF2011)   +3 more
core   +6 more sources

The comparison of two microextraction methods for the determination of safranal from Iranian saffron

Green Analytical Chemistry, 2022
In this study, safranal as the main component of the pleasant aroma of saffron was extracted and analyzed by two liquid-phase microextraction based methods, namely ultrasound-assisted emulsification microextraction and solidified floating organic drop ...
Mohammad Beiranvand, Alireza Ghiasvand
doaj   +1 more source

Innovative Solutions for Food Analysis: Microextraction Techniques in Lipid Peroxidation Product Detection

Separations, 2023
Lipid peroxidation, the most aggressive reaction in food, results in the formation of reactive organic compounds that detrimentally impact food sensory qualities and consumers’ health.
Jorge A. Custodio-Mendoza, Ana M. Ares-Fuentes, Antonia M. Carro   +2 more
doaj   +1 more source

Principais técnicas de preparo de amostra para a determinação de resíduos de agrotóxicos em água por cromatografia líquida com detecção por arranjo de diodos e por espectrometria de massas

Química Nova, 2011
The determination of pesticide residues in water samples by Liquid Chromatography require sample preparation for extraction and enrichment of the analytes with the minimization of interferences to achieve adequate detection limits.
Sergiane Souza Caldas, Fábio Ferreira Gonçalves, Ednei Gilberto Primel, Osmar Damian Prestes, Manoel Leonardo Martins, Renato Zanella   +5 more
doaj   +1 more source