the microplate method of e nzyme-l i nke d i rnmuno s o r be n t a s s ay (elisa) , usi ng alkaline phosphatase anti-human i gg conj ugate , was modified and appl ied in t he dete c t i on of the human b lood specimens among the blood samples prep a r ed fr om human and laborat or y anima l s i n t he form of small dr ied b loodst a i ns on f ilt e r paper . the modi f i e d elisa t e chnique w...

an enzyme-linked immunosorbent assay for neopterin using penicillinase as marker enzyme is reported here by polyclonal antibodies against neopterin conjugated to bovine serum albumin which were raised in rabbits. immunoglobulin fractions were purified and coated on wells of microtiter plates. a chain heterology was introduced in neopterin derivative and conjugated to penicillinase. the assay is...