Results 51 to 60 of about 208,364 (208)

Micromachining of buried micro channels in silicon [PDF]

open access: yes, 2000
A new method for the fabrication of micro structures for fluidic applications, such as channels, cavities, and connector holes in the bulk of silicon wafers, called buried channel technology (BCT), is presented in this paper.
Berenschot, J.W. (Erwin)   +7 more
core   +3 more sources

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  

Continuous-flow IRMS technique for determining the 17O excess of CO2 using complete oxygen isotope exchange with cerium oxide [PDF]

open access: yes, 2014
This paper presents an analytical system for analysis of all single substituted isotopologues (12C16O17O, 12C16O18O, 13C16O16O) in nanomolar quantities of CO2 extracted from stratospheric air samples.
Kaiser, J.   +5 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

Trans unsaturated fatty acids : a study of methodology and levels in New Zealand food fats including milkfat : a thesis presented in partial fulfilment of the requirements for the degree of Masters of Science in Biochemistry at Massey University, New Zealand [PDF]

open access: yes, 1997
Trans fatty acids (TFAs) occur naturally in small amounts in foods such as milk, butter and tallow as a result of biohydrogenation by ruminant gut microflora. They are formed in much larger quantities during chemical hydrogenation of fats and oils.
Fong, Bertram Ian Yin
core  

Acantholippia salsoloides : Phytochemical Composition and Biological Potential of a Thujonic Population [PDF]

open access: yes, 2019
Acantholippia salsoloides (Verbenaceae) is an aromatic plant widespread in the Andean region. The infusion (leaves and flowers) is widely used as a digestive stimulant as well as for the treatment of various diseases in traditional medicine.
Celaya, Liliana Soledad   +2 more
core   +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

Pressurised Liquid Extraction of Capsaicinoids from Peppers [PDF]

open access: yes, 2006
Se presenta el desarrollo de un método de extracción de capsaicinoides en pimientos mediante la técnica de extracción mediante fluidos ...
Fernández Barbero, Gerardo   +2 more
core   +2 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

Photografted methacrylate-based monolithic columns coated with cellulose tris(3,5-dimethylphenylcarbamate) for chiral separation in CEC [PDF]

open access: yes, 2018
A chiral capillary monolithic column for enantiomer separation in capillary electrochromatography was prepared by coating cellulose tris(3,5-dimethylphenylcarbamate) on porous glycidyl methacrylate-co-ethylene dimethacrylate monolith in capillary format ...
Al-Othman   +42 more
core   +1 more source

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