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Merck
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Key Documents

A6407

Supelco

Amino acid standards, physiological

analytical standard, acidics and neutrals

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About This Item

Numéro MDL:
Code UNSPSC :
85151701
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Classe(s) chimique(s) de l'analyte

amino acids, peptides, proteins

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Couleur

colorless

Application(s)

food and beverages

Format

neat

Température de stockage

2-8°C

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Application

This analytical standard was used as follows:
  • Identification and quantification of amino acids in the proteins extracted from two cricket species— A. domesticus and G. bimaculatus, using an amino acid analyzer based on ion-exchange chromatography with Ninhydrin for post-column derivatization
  • Free amino acid analysis of plasma samples using an amino acid analyzer to evaluate the effect of induced changes in testosterone levels on protein turnover for a group of 30 healthy human males
  • Plasma analysis for amino acids using ultra high-performance liquid chromatography coupled to a single quadrupole mass detector (QDA)
  • Determination of 26 clinically essential amino acids in plasma samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) following amino acid amine derivatization
  • To spike samples in the liquid chromatography-mass spectrometry (LC-MS) method-based determination of 39 amino acids and related compounds in plasma and urine samples using a mixed-mode (MM) column

Autres remarques

Amino acids listed are 2.5 μmoles per mL except L-cystine at 1.25 μmoles per ml.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictogrammes

Corrosion

Mention d'avertissement

Warning

Mentions de danger

Conseils de prudence

Classification des risques

Met. Corr. 1

Code de la classe de stockage

8B - Non-combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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M Esperanza Valdés et al.
Food chemistry, 292, 24-31 (2019-05-06)
Must nitrogen is very important for successful fermentation. Irrigation can influence vine nitrogen availability, and therefore must nitrogen content and wine quality. The aim of this work was to assess the effect of vine water status on the nitrogen concentration
Amber M Milan et al.
Frontiers in nutrition, 7, 553674-553674 (2020-11-27)
Background: Intolerances to bovine dairy are a motivating factor in consumers seeking alternate-or replacement-dairy beverages and foods. Sheep milk (SM) is an alternate dairy source, with greater protein, although similar amino acid composition compared to cow milk (CM). Studies are
A S Davison et al.
Molecular genetics and metabolism, 125(1-2), 135-143 (2018-07-28)
Concerns exist over hypertyrosinaemia that is observed following treatment with nitisinone. It has been suggested that tyrosine may compete with tryptophan for uptake into the central nervous system, and or inhibit tryptophan hydroxylase activity reducing serotonin production. At the National
Yun Zhou et al.
Neurochemistry international, 123, 101-113 (2018-03-14)
The excitatory amino acid transporter type 2 (EAAT2) represents the major mechanism for removal of extracellular glutamate. In the hippocampus, there is some EAAT2 in axon-terminals, whereas most of the protein is found in astroglia. The functional importance of the
Stefan Jenkins et al.
Frontiers in microbiology, 8, 2618-2618 (2018-01-10)
Exometabolomics enables analysis of metabolite utilization of low molecular weight organic substances by soil bacteria. Environmentally-based defined media are needed to examine ecologically relevant patterns of substrate utilization. Here, we describe an approach for the construction of defined media using

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