Results 11 to 20 of about 23,617 (221)

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 [PDF]

open access: yesQuímica 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   +3 more
doaj   +4 more sources

Applications of Solid-Phase Microextraction and Related Techniques

open access: yesMolecules
In recent years, various high-performance analytical instruments have been developed with improved sensitivity and performance [...]
Hiroyuki Kataoka
doaj   +3 more sources

High-throughput analytical methods employing microextraction techniques: Towards fast analyses lasting a few seconds

open access: yesAdvances in Sample Preparation, 2023
Green Analytical Chemistry (GAC) principles have influenced the development of analytical methods with minimal sample handling and operations, in contrast to conventional techniques, which are often laborious and time-consuming. Since the introduction of
Eduardo Carasek   +2 more
doaj   +1 more source

Recent developments in microextraction techniques for detection and speciation of heavy metals

open access: yesAdvances in Sample Preparation, 2022
Analysis of heavy metals and their species in complex samples such as environment, biology and medicine is be of paramount importance due to their toxicity, persistence, and bioaccumulation.
Xiaochong Song, Xiaojia Huang
doaj   +1 more source

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

open access: yesSeparations, 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   +2 more
doaj   +1 more source

Emerging Contaminants in Seafront Zones. Environmental Impact and Analytical Approaches

open access: yesSeparations, 2021
Some chemical substances have the potential to enter the coastal and marine environment and cause adverse effects on ecosystems, biodiversity and human health.
José S. Câmara   +5 more
doaj   +1 more source

Fabric Phase Sorptive Extraction for the Determination of Anthracyclines in Sewage

open access: yesSeparations, 2022
Anthracyclines are a group of antineoplastic compounds used to treat acute leukemia and other cancers, and they are excreted after consumption by patients. These chemicals are often found in sewage at very low concentration levels.
Sergio Santana-Viera   +6 more
doaj   +1 more source

Honey volatiles as a fingerprint for botanical origin: a review on their occurrence on monofloral honeys [PDF]

open access: yes, 2020
Honeys have specific organoleptic characteristics, with nutritional and health benefits, being highly appreciated by consumers, not only in food but also in the pharmaceutical and cosmetic industries. Honey composition varies between regions according to
Figueiredo, Ana Cristina   +3 more
core   +1 more source

Solventless Microextration Techniques for Pharmaceutical Analysis: The Greener Solution

open access: yesFrontiers in Chemistry, 2022
Extensive efforts have been made in the last decades to simplify the holistic sample preparation process. The idea of maximizing the extraction efficiency along with the reduction of extraction time, minimization/elimination of hazardous solvents, and ...
Heba M. Mohamed
doaj   +1 more source

A comprehensive review on the use of microextraction techniques in the analysis of cosmetic products

open access: yesAdvances in Sample Preparation, 2022
Microextraction techniques have gained special relevance since their appearance in the 90s, and the analysis of cosmetic products has not been immune to this trend.
Lorenza Schettino   +3 more
doaj   +1 more source

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