Results 1 to 10 of about 209,682 (308)

Metabolomics : a tool for studying plant biology [PDF]

open access: yes, 2005
In recent years new technologies have allowed gene expression, protein and metabolite profiles in different tissues and developmental stages to be monitored.
Gullberg, Jonas
core  

Nanoelectromechanical Resonator Arrays for Ultrafast, Gas-Phase Chromatographic Chemical Analysis [PDF]

open access: yes, 2010
Miniaturized gas chromatography (GC) systems can provide fast, quantitative analysis of chemical vapors in an ultrasmall package. We describe a chemical sensor technology based on resonant nanoelectromechanical systems (NEMS) mass detectors that provides
Aldridge, S. J.   +8 more
core   +2 more sources

Analysis of bile acids in serum and bile by capillary gas-liquid chromatography.

open access: yesJournal of Lipid Research, 1978
Various liquid phases for glass capillary columns have been evaluated for gas-liquid chromatographic analysis of methyl ester trimethylsilylether derivatives of bile acids from serum and bile.
G Karlaganis, G Paumgartner
doaj   +1 more source

Highlighting the effects of co‐eluting interferences on compound specific stable isotope analysis of polycyclic aromatic hydrocarbons using comprehensive two‐dimensional gas chromatography [PDF]

open access: yes, 2014
Accuracy is the most important issue when carrying out compound specific stable isotope analysis of polycyclic aromatic hydrocarbons extracted from complex samples.
Blessing   +16 more
core   +1 more source

Chemical Composition and Antimicrobial Activity of Essential Oil of

open access: yesNatural Product Communications, 2011
Cupressus atlantica Gaussen, an endemic species from Morocco, is used in traditional medicine. The chemical composition of the essential oil isolated by hydrodistillation from the leaves was investigated by capillary gas chromatography and gas ...
My Youssef Arjouni   +3 more
doaj   +1 more source

Applicability of Capillary Gas-Liquid Chromatography for Determination of Parabens in Pharmaceutical Analysis

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2019
The traditional gas-liquid chromatography (GLC) method using packed columns is still used in pharmaceutical analysis for determination of parabens, despite the fact that this technique has a number of serious drawbacks.The aim of the study was to develop
A. N. Ioutsi   +4 more
doaj   +1 more source

Quantification of Nε-(2-Furoylmethyl)-L-lysine (furosine), Nε-(Carboxymethyl)-L-lysine (CML), Nε-(Carboxyethyl)-L-lysine (CEL) and total lysine through stable isotope dilution assay and tandem mass spectrometry [PDF]

open access: yes, 2015
The control of Maillard reaction (MR) is a key point to ensure processed foods quality. Due to the presence of a primary amino group on its side chain, lysine is particularly prone to chemical modifications with the formation of Amadori products (AP), Nε-
Fiore, Alberto   +3 more
core   +5 more sources

GC determination of fatty acids in green beans grown in Galicia (N.W. Spain)

open access: yesGrasas y Aceites, 1996
The concentrations of lauric, myristic, palmitic, palmitoleic, stearic, oleic, linoleic, linolenic, arachidic acids in green beans (Phaseolus vulgaris L.) grown in Galicia (N.W. Spain) were determinated by capillary gas chromatography (GC). Palmitic acid
J. López Hernández   +4 more
doaj   +1 more source

Physiology of Chatham Island forget-me-not (Myosotidium hortensia) seed : a thesis presented in partial fulfilment of the requirements for the degree of Master of Applied Science in Seed Science and Technology at Massey University [PDF]

open access: yes, 2003
Chatham Island forget-me-not (Myosotidium hortensia (Decne) Baillon) is endemic to the Chatham Islands where it is mainly confined to the outer islands. There is speculation that seed of M.
McGill, Craig Robert
core  

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