Results 91 to 100 of about 3,782,588 (290)

Ion suppression correction and normalization for non-targeted metabolomics

open access: yesNature Communications
Ion suppression is a major problem in mass spectrometry (MS)-based metabolomics; it can dramatically decrease measurement accuracy, precision, and sensitivity.
Iqbal Mahmud   +15 more
doaj   +1 more source

Nutritional, Therapeutic, and Functional Food Perspectives of Kale (Brassica oleracea var. acephala): An Integrative Review

open access: yesMolecules
Kale (Brassica oleracea var. acephala) is a non-heading leafy vegetable of the Brassicaceae family, widely recognized for its dense nutritional profile and diverse phytochemical composition.
Aleksandra Łukaszyk   +7 more
doaj   +1 more source

Identification of a Widespread Palmitoylethanolamide Contamination in Standard Laboratory Glassware. [PDF]

open access: yes, 2017
Introduction: Fatty acid ethanolamides (FAEs) are a family of lipid mediators that participate in a host of biological functions. Procedures for the quantitative analysis of FAEs include organic solvent extraction from biological matrices (e.g., blood ...
Angelini, Roberto   +3 more
core  

Seasonal distributions of fine aerosol sulfate in the North American Arctic basin during TOPSE [PDF]

open access: yes, 2003
We used the mist chamber/ion chromatography technique to quantify fine aerosol SO4=(\u3c2.7 μm) in the Arctic during the Tropospheric Ozone Production about the Spring Equinox Experiment (TOPSE) with about 2.5 min time resolution.
Debell, Linsey J   +5 more
core   +2 more sources

Studies on methodology in dietary fibre analysis : a neutral detergent fibre method using glucoamylase : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Food Technology at Massey University [PDF]

open access: yes, 1979
The dietary fibre content of foods is conveniently and rapidly determined by the neutral and acid detergent methods devised originally by Van Soest and associates.
Sills, Victor Ernest
core  

Multi-residue analysis of pharmaceuticals in Belgian surface water : a novel screening-to-quantification approach using large-volume injection liquid chromatography coupled to high-resolution mass spectrometry [PDF]

open access: yes, 2013
The ever growing number of emerging micropollutants such as pharmaceuticals requests rapid and sensitive full-spectrum analytical techniques. Time-of-flight highresolution mass spectrometry (TOF-HRMS) is a promising alternative for the state-ofthe- art ...
Demeestere, Kristof   +3 more
core  

Development of a methodology based on headspace-gas chromatography-ion mobility spectrometry for the rapid detection and determination of patin fish oil adulterated with palm oil

open access: gold, 2020
Anggita Rosiana Putri   +6 more
openalex   +1 more source

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