R Tahara, K Ogawa, T Kosaki, K Matsuhashi, T Yanaihara, T Nakayama
{"title":"用乳胶凝集抑制反应的方法测定妊娠期尿中雌激素。","authors":"R Tahara, K Ogawa, T Kosaki, K Matsuhashi, T Yanaihara, T Nakayama","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A simple and rapid method, latex agglutination inhibition reaction (LAIR), using anti-estriol-16-glucuronide coupled with BSA for estimating estrogen in urine has been developed. Agglutination of the latex reagent by the antiserum occurs within 3 min. The agglutination, however, was completely inhibited by 100 ng/ml or more of estriol. There was a good correlation in results obtained by LAIR and by colorimetry, RIA and GLC. Urine samples (3329) obtained at various gestational weeks were assayed. The samples from 94% of the normal pregnant patients in the third trimester revealed 10 micrograms/ml or more of estrogens. Although the assay is semiquantitative, it may be useful in screening for fetal well-being in high-risk pregnancies.</p>","PeriodicalId":77679,"journal":{"name":"Biological research in pregnancy and perinatology","volume":"5 2","pages":"74-7"},"PeriodicalIF":0.0000,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Simple assay of estrogen in urine during pregnancy by means of latex agglutination inhibition reaction.\",\"authors\":\"R Tahara, K Ogawa, T Kosaki, K Matsuhashi, T Yanaihara, T Nakayama\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>A simple and rapid method, latex agglutination inhibition reaction (LAIR), using anti-estriol-16-glucuronide coupled with BSA for estimating estrogen in urine has been developed. Agglutination of the latex reagent by the antiserum occurs within 3 min. The agglutination, however, was completely inhibited by 100 ng/ml or more of estriol. There was a good correlation in results obtained by LAIR and by colorimetry, RIA and GLC. Urine samples (3329) obtained at various gestational weeks were assayed. The samples from 94% of the normal pregnant patients in the third trimester revealed 10 micrograms/ml or more of estrogens. Although the assay is semiquantitative, it may be useful in screening for fetal well-being in high-risk pregnancies.</p>\",\"PeriodicalId\":77679,\"journal\":{\"name\":\"Biological research in pregnancy and perinatology\",\"volume\":\"5 2\",\"pages\":\"74-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Biological research in pregnancy and perinatology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biological research in pregnancy and perinatology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Simple assay of estrogen in urine during pregnancy by means of latex agglutination inhibition reaction.
A simple and rapid method, latex agglutination inhibition reaction (LAIR), using anti-estriol-16-glucuronide coupled with BSA for estimating estrogen in urine has been developed. Agglutination of the latex reagent by the antiserum occurs within 3 min. The agglutination, however, was completely inhibited by 100 ng/ml or more of estriol. There was a good correlation in results obtained by LAIR and by colorimetry, RIA and GLC. Urine samples (3329) obtained at various gestational weeks were assayed. The samples from 94% of the normal pregnant patients in the third trimester revealed 10 micrograms/ml or more of estrogens. Although the assay is semiquantitative, it may be useful in screening for fetal well-being in high-risk pregnancies.
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