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immunoperoxidase
immunoperoxidase n. 
/ˌɪmjᵿnə(ʊ)pəˈrɒksᵻdeɪs/, /ɪˌmjuːnə(ʊ)pəˈrɒksᵻdeɪz/, /ɪˌmjuːnə(ʊ)pəˈrɒksᵻdeɪs/, /ˌɪmjənoʊpəˈrɑksəˌdeɪs/, /ᵻˌmjunoʊpəˈrɑksəˌdeɪz/, /ᵻˌmjunoʊpəˈrɑksəˌdeɪs/ [after French immunoperoxydase (E. Kurstak et al. 1968, in Comptes Rendus hebd. de l'Acad. des Sci. D. 268 2309)] a technique for identifying antigens in cells and tissues, using antibody labelled with the enzyme peroxidase (or with a complex containing this), followed by treatment with a substrate with which the peroxidase reacts (frequently attributive).
Brit. /ˌɪmjᵿnə(ʊ)pəˈrɒksᵻdeɪz/
, /ˌɪmjᵿnə(ʊ)pəˈrɒksᵻdeɪz//ˌɪmjᵿnə(ʊ)pəˈrɒksᵻdeɪs//ɪˌmjuːnə(ʊ)pəˈrɒksᵻdeɪz//ɪˌmjuːnə(ʊ)pəˈrɒksᵻdeɪs/U.S. /ˌɪmjənoʊpəˈrɑksəˌdeɪz/
, /ˌɪmjənoʊpəˈrɑksəˌdeɪz//ˌɪmjənoʊpəˈrɑksəˌdeɪs//ᵻˌmjunoʊpəˈrɑksəˌdeɪz//ᵻˌmjunoʊpəˈrɑksəˌdeɪs/ΚΠ
1971 E. Kurstak in Methods Virol. 5 426 With the immunoperoxidase technique, as in immunofluorescence, the direct and indirect techniques can be applied.
1979 Proc. National Acad. Sci. U.S.A. 76 4117/1 We have developed a rapid, quantitative in vitro assay for MMTV [= mouse mammary tumor virus] infectivity based on the detection of positively staining foci by immunoperoxidase.
2006 Jrnl. Pediatric Surg. 41 1476 The resected appendix and ileocecal junction..were cytomegalovirus positive by immunoperoxidase staining.
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