Results 11 to 20 of about 5,285 (214)

Applications of Graphene-Based Nanomaterials in Environmental Analysis

Applied Sciences, 2021
Sample preparation is an essential and preliminary procedure of most chemical analyses. Due to the sample diversity, the selection of appropriate adsorbents for the effective preparation and separation of different samples turned out to be important for ...
Orfeas-Evangelos Plastiras, Eleni Deliyanni, Victoria Samanidou   +2 more
doaj   +1 more source

Sulfonic Acid-based Covalent Organic Framework for the Rapid Determination Towards Fluoroquinolone Antibiotic Residues in Milk

Shipin gongye ke-ji, 2023
To expand the application of novel nanomaterial based solid phase extraction technology in complex food matrices, a sulfonic acid based covalent organic framework (TpPa-SO3H) was prepared as solid phase extraction adsorbents for the rapid analysis of ...
Lu ZHANG, Wei JIANG
doaj   +1 more source

Current Trends in Fully Automated On-Line Analytical Techniques for Beverage Analysis

Beverages, 2019
The determination of target analytes in complex matrices such as beverages requires a series of analytical steps to obtain a reliable analysis. This critical review presents the current trends in sample preparation techniques based on solid phase ...
Karen Mejía-Carmona, Marcela Jordan-Sinisterra, Fernando M. Lanças   +2 more
doaj   +1 more source

Extração em fase sólida (SPE) e micro extração em fase sólida (SPME) de piretróides em água Solid-phase extraction (SPE) and solid-phase microextraction of pyrethroids in water

Química Nova, 2001
The pyrethroids bifenthrin, permethrin, cypermethrin and deltamethrin were extracted by solid phase extraction (SPE) and solid phase microextraction (SPME).
Wilma Regina Barrionuevo, Fernando Mauro Lanças   +1 more
doaj   +1 more source

Selective extraction of Ascorbic acid by molecular imprinted polymer solid-phase extraction [PDF]

Journal of Chemistry Letters, 2022
A Highly sensitive and selective molecular imprinted polymer (MIP) was synthesized for solid phase extraction and preconcentration of trace amount of Ascorbic acid (AA).
Leila Baramakeh
doaj   +1 more source

Recent advances in accelerating solid-phase extraction

Journal of Chromatography Open
With the growing demand for rapid processing of laboratory samples, great efforts have been dedicated to improving the speed and throughput of solid phase extraction (SPE), a widely used sample pretreatment technique.
Jingwei Zhou, Yuexiang Chang, Hao Tian, Jia-Huan Qu, Qiqin Wang, Jincai Wang, Zhengjin Jiang   +6 more
doaj   +1 more source

Development and Validation of HPLC Method for Determination of Crocetin, a constituent of Saffron, in Human Serum Samples [PDF]

Iranian Journal of Basic Medical Sciences, 2013
Objective(s):The present study reports the development and validation of a sensitive and rapid extraction method beside high performance liquid chromatographic method for the determination of crocetin in human serum. Materials and Methods:The HPLC method
Amir Hooshang Mohammadpour, Mohammad Ramezani, Nasim Tavakoli Anaraki, Bizhan Malaekeh-Nikouei, Sara Amel Farzad2, Hossein Hosseinzadeh   +5 more
doaj  

Application of Sorbent-Based Extraction Techniques in Food Analysis

Molecules, 2023
This review presents an outline of the application of the most popular sorbent-based methods in food analysis. Solid-phase extraction (SPE) is discussed based on the analyses of lipids, mycotoxins, pesticide residues, processing contaminants and flavor ...
Natalia Drabińska, Monika A. Marcinkowska, Martyna N. Wieczorek, Henryk H. Jeleń   +3 more
doaj   +1 more source

Solid-phase extractions in flow analysis [PDF]

Anais da Academia Brasileira de Ciências, 2018
Coupling solid-phase extraction (SPE) to flow systems has promoted a synergistic development. Whereas SPE mechanization leads to improved precision and higher sample throughput, as well as diminishes systematic errors and contamination risks, analyte concentration and separation from the sample matrix provides a remarkable impact on detectability and ...
ROCHA, FÁBIO R.P., BATISTA, ALEX D., MELCHERT, WANESSA R., ZAGATTO, ELIAS A.G.   +3 more
openaire   +5 more sources

Overview of Liquid Sample Preparation Techniques for Analysis, Using Metal-Organic Frameworks as Sorbents

Molecules
The preparation of samples for instrumental analysis is the most essential and time-consuming stage of the entire analytical process; it also has the greatest impact on the analysis results.
Jakub Woźniak, Jakub Nawała, Daniel Dziedzic, Stanisław Popiel   +3 more
doaj   +1 more source