Results 21 to 30 of about 3,285,010 (339)

Distribuição de massa molecular de ácidos húmicos e promoção do crescimento radicular Molecular weight distribution of humic acids and root growth promotion

open access: yesRevista Brasileira de Ciência do Solo, 2009
Os ácidos húmicos (AH) estimulam diretamente vários processos fisiológicos que promovem o crescimento vegetal, especialmente do sistema radicular.
Natália de Oliveira Aguiar   +5 more
doaj   +1 more source

Chemical constituents from the leaves of Champereia manillana var. longistaminea

open access: yesGuangxi Zhiwu, 2023
In order to study the chemical constituents in the leaves of Champereia manillana var. longistaminea, the chemical composition was analyzed by the silica gel column chromatography (CC), thin-layer chromatography (TLC), dextran gel column chromatography ...
Chenghao ZHU   +5 more
doaj   +1 more source

Chemical analysis of soluble fractions from normal and autolysed rabbit liver by column chromatography [PDF]

open access: yes, 1966
Chromatography on Sephadex G-200 was performed with the soluble fraction of homogenated rabbit liver, which was extracted with 0.1 M phosphate buffer containing 0.1 M NaCl.
Aizawa, Tadashi   +4 more
core   +1 more source

Discrimination of Car Headlight Plastic by Gel Permeation Chromatography

open access: yesJournal of Forensic Science and Medicine, 2015
Car headlight plastic as a kind of evidence often can be seen in traffic accidents and some other cases. We tested 20 brands of car headlight plastic using gel chromatography. The data were processed using the Statistical Package for the Social Sciences (
Bo Wang, Yangke Quan, Hongling Guo
doaj   +1 more source

Large-scale single-chirality separation of single-wall nanotubes by simple gel chromatography

open access: yesNature Communications, 2011
Monostructured single-wall carbon nanotubes (SWCNTs) are important in both scientific research and electronic and biomedical applications; however, the bulk separation of SWCNTs into populations of single-chirality nanotubes remains challenging.
Hua-Ping Liu   +3 more
semanticscholar   +1 more source

A gel-based method for purification of apolipoprotein A-I from small volumes of plasma

open access: yesJournal of Lipid Research, 2010
We present here a gel-based method for rapid purification of apolipoprotein A-I (apoA-I) from small volumes of human plasma. After isolation of high density lipoprotein from plasma, the apoA-I protein was separated by electrophoresis and the apoA-I band ...
Rachel J. Brace   +3 more
doaj   +1 more source

Purification of Peptide Components including Melittin from Bee Venom using gel filtration chromatography and propionic acid/urea polyacrylamide gel electrophoresis

open access: yesJournal of Pharmacopuncture, 2006
Objectives : This study was conducted to carry out Purification of Melittin and other peptide components from Bee Venom using gel filtration chromatography and propionic acid/urea polyacrylamide gel electrophoresis Methods : Melittin and other peptide ...
Young Chon Choi   +2 more
doaj   +1 more source

Analysis of total urinary catecholamines by liquid chromatography: methodology, routine experience and clinical interpretations of results [PDF]

open access: yes, 1983
A simple routine method is described for simultaneous assay of total urinary adrenaline, noradrenaline and dopamine. The catecholamines are pre-purified on a small ion-exchange column, separated by reversed phase ion-pair liquid chromatography, and are ...
Schleicher, E. D.   +2 more
core   +1 more source

Analysis of chitosan molecular weight profile by electrophoresis in a porosity step gradient polyacrylamide gel [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2022
Chitosan is biocompatible and biodegradable natural biopolymer widely applied in various fields of biology, medicine, and pharmacy, however, its effects significantly depend on the degree of polymerization (DP) and the degree of deacetylation (DDA) of ...
N. O. Manko   +3 more
doaj   +1 more source

Gel filtration chromatography [PDF]

open access: yes, 2011
Gel-filtration chromatography is a popular and versatile technique that permits the effective separation of proteins and other biological molecules in high yield. Here, the basis of the method is described and typical matrix types are contrasted.
Ó Fágáin, Ciarán   +2 more
core   +2 more sources

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