Results 191 to 200 of about 41,368 (245)

A novel and automated assay for thiol/disulphide homeostasis

open access: yesClinical Biochemistry, 2014
Objectives: To develop a novel and automated assay determining plasma thiol/disulphide homeostasis, which consists of thiol-disulphide ...
Salim Al Lahham   +2 more
exaly   +2 more sources
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Superlubricity of molybdenum disulphide

Physical Review B, 1993
We have studied the atomistic origins of the ultralow friction coefficient of a molybdenum disulphide (${\mathrm{MoS}}_{2}$) coating in ultrahigh vacuum conditions. A friction coefficient in the ${10}^{\mathrm{\ensuremath{-}}3}$ range is associated with friction-induced orientation of ``easy shear'' basal planes of the ${\mathrm{MoS}}_{2}$ crystal ...
, Martin   +3 more
openaire   +2 more sources

Efficient catalysis of disulphide bond rearrangements by protein disulphide isomerase

Nature, 1993
Protein disulphide isomerase (PDI) is a highly abundant and ubiquitous eukaryotic protein that is essential for viability in yeast. Although PDI is thought to catalyse disulphide bond formation and isomerization during protein biosynthesis, PDI has been found previously to have only moderate effects (approximately 25-fold) on the rate of oxidative ...
J S, Weissman, P S, Kim
openaire   +2 more sources

Determination of thiuram disulphides and analysis of thiuram disulphide-dithiocarbamate mixtures

Talanta, 1982
Potassium trithiocarbonate is used as reluctant for the titrimetric determination of thiuram disulphides in dimethylformamide-water media. The method is based on reductive cleavage of the disulphide linkage to yield the corresponding dithiocarbamates. In visual titrations, the end-point is marked by appearance of a yellow colour with the first drop of ...
B C, Verma, H S, Sidhu, R K, Sood
openaire   +2 more sources

Diallyl disulphide as natural organosulphur friction modifier via the in-situ tribo-chemical formation of tungsten disulphide

open access: yesApplied Surface Science, 2018
The present work shows a novel method for generating in-situ low friction tribofilms containing tungsten disulphide in lubricated contacts using diallyl disulphide as sulphur precursor.
Manel Rodríguez Ripoll   +2 more
exaly   +2 more sources

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