Results 41 to 50 of about 730,800 (305)

A Mammalian Homolog of Drosophila melanogaster Transcriptional Coactivator Intersex Is a Subunit of the Mammalian Mediator Complex [PDF]

open access: yes, 2003
The multiprotein Mediator complex is a coactivator required for transcriptional activation of RNA polymerase II transcribed genes by DNA binding transcription factors.
Banks, Charles A. S.   +7 more
core   +1 more source

Isolation and identification of antioxidative peptides from crocodile meat hydrolysates using silica gel chromatography

open access: yesScientific Reports, 2022
Crocodiles are cultured in large numbers in Asia and other places in order to protect wild resources and meet the needs of human life. In this study, crocodile (Crocodylus siamensis) meat proteins were extracted and hydrolyzed into peptides, their ...
Liu Yang   +4 more
doaj   +1 more source

Isolation and purification of copeptin hormone from serum of patients with heart disease

open access: yesTikrit Journal of Pure Science, 2023
This study included isolation and purification of copepin hormone from heart disease patients serum using different biochemical techniques. The study showed two proteinous peak has been isolated by gel filtration (Sephadex G-50) from the precipitation ...
Thikra Ali Allwsh, Noori Mohammed Aziz
doaj   +1 more source

In pursuit of β-amino α-nitro β-trifluoromethyl ketones: nitro-Mannich vs Mannich-type reactions [PDF]

open access: yes, 2017
The reactivity of alfa-nitro ketones with trifluoromethyl aldimines is studied for the first time. While under nitro-Mannich conditions only the facial stereoselectivity can be controlled, organocatalysed Mannich-type reactions allowed a complete control
Ballini   +45 more
core   +1 more source

Liquid-gel chromatography on lipophilic-hydrophobic Sephadex derivatives

open access: yesJournal of Lipid Research, 1970
Hydrophobic long-chain alkyl ethers of Sephadex have been synthesized and tested for use in liquid chromatography. With columns prepared in such polar solvents as methanol, reversed-phase systems are obtained where compounds separate in order of ...
J. Ellingboe, E. Nyström, J. Sjövall
doaj   +1 more source

Preparation, chemical structure, and immunostimulatory activity of a water-soluble heteropolysaccharide from Suillus granulatus fruiting bodies

open access: yesFood Chemistry: X, 2022
A water-soluble heteropolysaccharide (SGP2-1) was purified from Suillus granulatus fruiting bodies by anion-exchange chromatography and gel permeation chromatography.
Xiong Gao   +10 more
doaj   +1 more source

A Monomer-to-Trimer Transition of the Human Mitochondrial Transcription Termination Factor (mTERF) Is Associated with a Loss of in Vitro Activity [PDF]

open access: yes, 2004
The human mitochondrial transcription termination factor (mTERF) is a nuclear-encoded 39-kDa protein that recognizes a mtDNA segment within the mitochondrial tRNALeu(UUR) gene immediately adjacent to and downstream of the 16 S rRNA gene. Binding of mTERF
Asin-Cayuela, Jordi   +2 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

Poly(amidoamine)s synthesis, characterisation and interaction with BSA [PDF]

open access: yes, 2014
Cationic poly(amidoamine)s (PAAs) were synthesised and characterised by NMR and gel permeation chromatography. Their thermal properties were investigated using thermogravimetric analysis and differential scanning calorimetry.
Akinc   +45 more
core   +1 more source

Studies on the chemical compositions of Hyptis suaveolens (L.) Poit [PDF]

open access: yesJournal of the Serbian Chemical Society, 2019
This study aimed at identifying the chemical compounds isolated from the aerial parts and roots of Hyptis suaveolens (L.) Poit. The compounds were isolated and purified by a combination of various chromatographic techniques including silica gel column ...
Tang Gengqiu   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy