FOERFARANDE FOER FRAMSTAELLNING AV HAEMOPHILUS INFLUENZAE B-POLYSACKARIDEXOTOXOIDKONJUGATVACCIN

A water-soluble covalent polysaccharide-exotoxoid conjugate having a molecular size between 140,000 and 4,500,000 dalton and a ribose/protein ratio between 0.25 and 1.00, capable of producing T-cell dependent antibody response to polysaccharide from H. influenzae b, is prepared by mixing a derivatiz...

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Bibliographische Detailangaben
1. Verfasser:	GORDON,LANCE K
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PEPTIDES POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A water-soluble covalent polysaccharide-exotoxoid conjugate having a molecular size between 140,000 and 4,500,000 dalton and a ribose/protein ratio between 0.25 and 1.00, capable of producing T-cell dependent antibody response to polysaccharide from H. influenzae b, is prepared by mixing a derivatized diphtheria or tetanus toxoid in a substantially cyanogen halide-free solution with a cyanogen halide-activated capsular H. influenzae b polysaccharide hapten consisting of approximately equimolar amounts of ribose, ribitol and phosphate, which polysaccharide had previously been heat sized until more than 60% attained a molecular size between 200,000 and 2,000,000 dalton.