Determination of l-cysteine origin on the basis of its δ15N values.
Sign Up to like & getrecommendations! Published in 2018 at "Food chemistry"
DOI: 10.1016/j.foodchem.2018.03.139
Abstract: The majority of l-cysteine is obtained industrially by hydrolysis of animal materials, such as poultry feathers. Despite widespread belief, there is little evidence that human hair is used as a source material and its use… read more here.
Keywords: determination cysteine; basis 15n; cysteine origin; 15n values ... See more keywords
Indirect determination of cysteine in pharmaceutical formulations by high-resolution continuum source graphite furnace molecular absorption spectrometry
Sign Up to like & getrecommendations! Published in 2018 at "Microchemical Journal"
DOI: 10.1016/j.microc.2018.07.042
Abstract: Abstract An indirect method for the determination of cysteine in pharmaceutical formulations involving the monitoring of CS (carbon monosulfide) molecular absorption bands using high-resolution continuum source graphite furnace molecular absorption spectrometry (HR-CS GF MAS) is… read more here.
Keywords: determination cysteine; cysteine pharmaceutical; determination; molecular absorption ... See more keywords
Use of single and dual systems of γ-cyclodextrin or γ -cyclodextrin/L-Carnitine derived ionic liquid for the enantiomeric determination of cysteine by electrokinetic chromatography. A comparative study
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2021.106596
Abstract: Abstract Two electrokinetic chromatography methods based on the use of γ-CD as the sole chiral selector or the combination of γ-CD and L-Carnitine methyl ester bis(trifluoromethane)sulfonimide were developed and validated in this work for the… read more here.
Keywords: electrokinetic chromatography; cysteine; use; determination cysteine ... See more keywords
A salting-out assisted liquid-liquid microextraction procedure for determination of cysteine followed by spectrophotometric detection.
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DOI: 10.1016/j.talanta.2018.10.026
Abstract: A new analytical method for sensitive determination of cysteine based on its interaction with phenazine methosulfate was developed using salting-out liquid-liquid microextraction followed by spectrophotometric detection. The mechanism of the reaction was studied and confirmed… read more here.
Keywords: detection; followed spectrophotometric; cysteine; determination cysteine ... See more keywords
Electrocatalytic Determination of L-cysteine in the Presence of Tryptophan Using Carbon Paste Electrode Modified with MgO Nanoparticles and Acetylferrocene
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Electrochemical Science"
DOI: 10.20964/2018.05.53
Abstract: 1 Department of Applied Chemistry, University of Johannesburg, Johannesburg, South Africa 2 Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran 3 Department of Chemistry, Graduate University of Advanced Technology, Kerman, Iran 4 Department… read more here.
Keywords: determination cysteine; electrocatalytic determination; chemistry; cysteine presence ... See more keywords