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@#Lactide一glycolide copolymerization with stannous octanoate as an initiator and dedecanolas regulator was carried out.The effect of reaction condition such as reaction time,temperature, initiatorconcentration, regulator and monomer ratbonpolymerization conversion,molecular weight and its distrbu-tion were investigated.The obtained results show that the finest reaction condition are initiator 0. 075%,ternperature 170℃ and reaction time 6hr.At this reaction condition,both molecular weight and polymer-ization conversion obtained are vecy high.
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The total glucosides of paeony root ( TCP ) extracted from paeony root of Boxian county, Anhui province was studied on the immunoregulatory effects in mice.The delayed hypersensitivity (DH) was increased by TGP at dose of 200mg/kg/d ig for 8d in the normal 6l5 mouse. Both depressed DH & enhanced DH induced by cyclophosph-amid ( Cy ) were restored by TGP ( 5 mg/kg/d ip x 5 - 8 d) in ICR mice. The decreased hemolysin antibody formation of spleen induced by Cy in BALB/c mice immunized with SRBC was raised by TGP ( 5mg /kg/d ip x 4d) . The phagocytic activity of ICR mice peritoneal macrophage on chiken RBC . In addittion, it was considerably Stimulated by using ip TGP at dose of 40mg/kg/d for 3d. The results suggested that TGP might possess the immunoregulatory effects in mice.
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This paper describes the anti-inflammatory, antipyretic and analgesic effects of Sudoxicam ( Sud) synthesized by Shenyang Pharmaceutic College.Sud is found to possess significant anti-inflammatory, antipyretic and analgesic quality in such animal models as carrayeenan-induced paw oedema ( ED50=5.26mg/kg ) , tylolinduced ear oedema in mice, adjuvant-induced arthritis in rats, yeast-induced fever in rats, acetic acid-induced arithing ( ED50= 5.0mg/kg ) and hot plate-induced pain reaction in mice.