Volume 35, Issue 5 (September 1990)

    Chemically Sensitized Erythrocytes for Hemagglutination Reactions

    (Received 20 June 1989; accepted 19 September 1989)


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    The use of chemically modified indicator erythrocytes for hemagglutination reactions can result in increased sensitivity. Treatment of erythrocytes with polyvinylpyrrolidone (PVP) or dextran T40 (10% weight/volume) induces changes in the cell surface in the form of extensions and blebbing, thereby increasing the surface area. These sensitized cells can be used in forensic science when detection or quantitation of erythrocyte surface reacting antibodies is important. The effect of altering membrane lipid fluidity on erythrocyte surface antigens has also been investigated. Treatment of cells with a reagent that increases the membrane ratio of cholesterol to phospholipid results in enhanced hemagglutination capacity despite the lack of extensive spiculation.

    Author Information:

    Harrington, JJ
    Senior forensic scientist, New Jersey State Police, North Regional Laboratory, Little Falls, NJ

    Ross, JP
    Visiting investigator, John Jay College of Criminal Justice, City University of New York, New York, NY

    Kobilinsky, L
    Professor, John Jay College of Criminal Justice, New York, NY

    Gordon, RE
    Associate professor, Mount Sinai School of Medicine, New York, NY

    Stock #: JFS12933J

    ISSN: 0022-1198

    DOI: 10.1520/JFS12933J

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    Title Chemically Sensitized Erythrocytes for Hemagglutination Reactions
    Symposium , 0000-00-00
    Committee E30