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Electron microscopic method for determining the concentration of influenza virus antihemagglutinin antibodies of the IgG class

Identifieur interne : 000A86 ( Istex/Corpus ); précédent : 000A85; suivant : 000A87

Electron microscopic method for determining the concentration of influenza virus antihemagglutinin antibodies of the IgG class

Auteurs : R. Stachan ; J. Drescher

Source :

RBID : ISTEX:A8961656933BB06B181F1FA46783DFC163B2B7D4

English descriptors

Abstract

Abstract: A novel technique for the determination of the concentration of influenza virus antihemagglutinin antibody of the IgG class is described which is based on the following principle: graded doses of purified antibody are allowed to react with homologous virus, resulting in binding of a portion of antibody. The virus-bound antibody is electron microscopically counted after labeling with protein A-gold. Since Freundlich's λ-formula is valid for describing the relationship between antibody bound per virus particle and the corresponding concentration of unbound antibody, the values of bound antibody recorded can be used for calculating the concentration of unbound antibody. The antibody concentration of the test sample is obtained as sum of bound and unbound antibody. The antibody concentrations measured by use of this technique agreed well with chemically determined values.

Url:
DOI: 10.1016/0166-0934(87)90123-6

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ISTEX:A8961656933BB06B181F1FA46783DFC163B2B7D4

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<description>Correspondence to: R. Stachan, Institute of Virology, Medical School of Hannover, Konstanty Gutschow-Strasse, 8. D-3000 Hannover/Kleefeld, F.R.G..</description>
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<namePart type="family">Drescher</namePart>
<affiliation>Institute of Virology, Medical School of Hannover, Hannover, F.R.G.</affiliation>
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<abstract lang="en">Abstract: A novel technique for the determination of the concentration of influenza virus antihemagglutinin antibody of the IgG class is described which is based on the following principle: graded doses of purified antibody are allowed to react with homologous virus, resulting in binding of a portion of antibody. The virus-bound antibody is electron microscopically counted after labeling with protein A-gold. Since Freundlich's λ-formula is valid for describing the relationship between antibody bound per virus particle and the corresponding concentration of unbound antibody, the values of bound antibody recorded can be used for calculating the concentration of unbound antibody. The antibody concentration of the test sample is obtained as sum of bound and unbound antibody. The antibody concentrations measured by use of this technique agreed well with chemically determined values.</abstract>
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<genre>Keywords</genre>
<topic>Electron microscopy</topic>
<topic>Protein A-gold</topic>
<topic>Influenza virus</topic>
<topic>Antibody molecule</topic>
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<publisher>ELSEVIER</publisher>
<dateIssued encoding="w3cdtf">1987</dateIssued>
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<identifier type="ISSN">0166-0934</identifier>
<identifier type="PII">S0166-0934(00)X0142-5</identifier>
<part>
<date>1987</date>
<detail type="volume">
<number>18</number>
<caption>vol.</caption>
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<detail type="issue">
<number>2–3</number>
<caption>no.</caption>
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<start>77</start>
<end>206</end>
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<start>179</start>
<end>192</end>
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<identifier type="DOI">10.1016/0166-0934(87)90123-6</identifier>
<identifier type="PII">0166-0934(87)90123-6</identifier>
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