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Journal of Mathematical and Fundamental Sciences Vol. 20 Issue 3 1987

Vol. 20 No. 3 (1987)

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Pembuatan Sediaan 99mTc-Sel Darah Merah sebagai Penyidik Limpa

Sari. Telah dilakukan penandaan sel darah merah (SDM) dengan radionuklida 99mTc menggunakan SnCl2 sebagai reduktor. Kondisi penandaan optimum dengan menggunakan darah tikus diperoleh pada pemakaian SnCl2. 2H2O Iug dan suhu pemanasan 49-50 derajat C selama 15 menit. Efisiensi penandaan dan kemurnian radiokimia ditentukan dengan kromatografi kertas menaik menggunakan kertas Whatman No.1 sebagai fase diam dan methanol 85% sebagai fase gerak. Studi biologis dan penyidikan pada tikus Wistar menunjukkan tertimbunnya sediaan ini pada limpa. Abstract. Labeling of red blood cells with 99mTc…

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Food Filtering Process of Daphnia Carinata King to Assess the Water Soluble Detergent

. Water organisms such as zooplankton and fish were used quite often as indicators for water quality in connection with chemically toxic substance in water. Several criteria could be use such as LC50, population index, and physiological phenomena. Bioassay that rely on this physiological phenomena was meant to measure the sublethal effect of the suspected toxic substance on the organisms. Further development of sublethal bioassay using filtering rate of Daphnia carinata (Cooley, 1977; McMahon, 1966) has taken place for a certain detergent. Yeasts cells tagged with 32P were used as food for…

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