noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
specific
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New nosodes have also been added to the armamentarium and special remedies prepared from specific antigens and toxic substances.
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There is, however, no logical reason why a vaccine for protection against tuberculosis should contain species specific antigens .
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Possession of species specific antigens could therefore be a disadvantage as these may be the ones that induce such necrotic reactions.
■ NOUN
surface
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Hypogammaglobulinemia and depressed IgG to surface antigens of Giardia have been suggested as factors contributing to chronic infection.
EXAMPLES FROM CORPUS
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Each of the Edinburgh patients colonised by the epidemic strain showed a rising IgG antibody response to P cepacia-specific cell wall antigen .
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In contrast, an IgG and IgA response to this antigen has been reported in children with acute infection.
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In these diseases the related antigens are enzymes in the granules of neutrophils.
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Indeed, purified antigen-specific B lymphocytes from HIV-1-infected patients can be activated invitro by HIV-1 antigens to secrete cytokines and immunoglobulins.
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Sera from all patients contained IgG antibodies that recognised Giardia heat shock antigen .
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Serum is placed into a circular-well area and allowed to diffuse into the agar forming antigen antibody complexes.
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The Pyloriset detects IgG antibodies by agglutination, using Latex particles coated with acid extracted antigen of H pylori.
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This means that physical separation of the free labeled antigen from the antibody-bound labeled antigen is not necessary for measurement.