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MATRIX SPIKE [2 records]

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Alphabetical list of terms

Record 1 2017-03-31

English

Subject field(s)
  • Scientific Research Methods
  • Analytical Chemistry
CONT

Recovery of the analyte over the entire analytical process is determined from matrix spikes, spiked blanks, and surrogate spikes.... A matrix spike is a separate aliquot of a randomly chosen sample to which is added all the analytes of interest before processing of the sample.

French

Domaine(s)
  • Méthodes de recherche scientifique
  • Chimie analytique
CONT

Le taux de récupération d'une substance à analyser au cours de l'ensemble du processus d'analyse est déterminé à partir d'échantillons de matrice et de blancs enrichis avec des concentrations connues de la substance à analyser et d'analogues. [...] Un échantillon de matrice enrichi est une portion aliquote d'un échantillon choisi au hasard, à laquelle est ajoutée une quantité connue de toutes les substances à analyser avant le traitement de l'échantillon.

Spanish

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Record 2 1996-10-31

English

Subject field(s)
  • Microbiology and Parasitology
CONT

The coat of the HIV virion bears numerous viral proteins "spikes" that project into the external medium. Each spike probably consists of four molecules of a protein called gp120 on the outside and the same number of gp41 embedded in the membrane. These envelope proteins play a crucial role when HIV binds to, and enters target cells. Underneath the envelope is a layer of matrix protein called p17, which in turn surrounds the core, or capsid. Gp stands for glycoprotein-the proteins are linked to sugars-and the number refers to the mass of the protein, in thousands of daltons. [From source a].

French

Domaine(s)
  • Microbiologie et parasitologie
CONT

Le génome viral du VIH comprend 3 gènes principaux soit le gag, le pol et l'env. Les glycoprotéines 120 et gp41 sont codées par le gène env tandis que le gène gag code les protéines du noyau [core proteins] telles les p55, p40, p24,p17 et p7; le gène pol code les protéines p66 et p51 (transcriptase inverse), p11 (protéase), et p32 (intégrase).

Spanish

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