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Am. J. Trop. Med. Hyg., 29(4), 1980, pp. 524-529
Copyright © 1980 by The American Society of Tropical Medicine and Hygiene

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Application of Thin Layer Immunoassay (Tia) for Demonstration of Antibodies against Entamoeba histolytica*

Lars-Åke Nilsson, Bencha Petchclai AND Hans Elwing
Institute of Medical Microbiology, University of Göteborg, Göteborg, Sweden, and Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Bangkok, Thailand

Thin layer immunoassay (TIA) was used to demonstrate antibodies against Entamoeba histolytica in sera from patients and blood donors. The TIA results agreed well with those obtained by the indirect hemagglutination (IHA) and immunodiffusion (ID) techniques. It is suggested that because of its technical simplicity and low cost TIA may be used alternatively or in addition to the IHA and ID techniques for screening patient sera for antibodies to E. histolytica. However, the new technique must first be evaluated on a group of clinically well defined patients with different stages of amebiasis.

Accepted for publication November 3, 1979.


* Address reprint requests to: Dr. Lars-Åke Nilsson, Institute of Medical Microbiology, Guldhedsgatan 10, S-413 46 Göteborg, Sweden.







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Copyright © 1980 by the American Society of Tropical Medicine and Hygiene.