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Alginate-gelatin mixed gel was applied to immobilized laccase for decolorization of some synthetic dyes including crystal violet. The immobilization procedure was accomplished by adding alginate to a gelatin solution containing the enzyme and the subsequent dropwise addition of the mixture into a stirred CaCl(2) solution. The obtained data showed that both… (More)
Iodocyclization of 5-amino-1-(2,4-dinitrophenyl)-1H-4-pyrazolcarboxamides with aromatic aldehydes gave a new series of pyrazolo[3,4-d]pyrimidine derivatives in a single step and their antibacterial activity comparable to Streptomycin as reference drug was evaluated.