Abstract
A new dot-immunobinding method, called the membrane aspiration test (MAT), was developed for the detection of human seminal plasma (HSP) antigens. Biological materials, such as macerated vaginal swabs or extracts from seminal stains, were dotted on a nitrocellulose membrane in a disposable aspiration kit. After the drying and aspiration of a quenching solution, a suspension of gold particles (GP) coated with an immune serum to HSP was aspirated through the nitrocellulose membrane. The dotted portion on the membrane turned red after several repeated aspirations, if HSP antigen was present. Results can be obtained within a few minutes. This test has broad applicability because of its rapidity and simplicity.
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