... ligands behave as bidentate chelating agentsin the uninegatively charged form. The biological activityofthiosemicacbazones and complexesagainst the bacteria.fungi and cancer cell have been ... TCIPchi Hoah9C,T. 46 (2),T".159-164,2008TONG HQP, NGHIEN cuu CAU TRUCvATHAM DO HO~TTiNH? A' SINHH9CCUA CAC PHl1C CHAT Cu(II), Ni(lI) VOl XITRONENLALvAMENTON THIOSEMICACBAZONDellToasoan21-6-2007PHANTH~HONGTUYET',voDANG0<)',NGUYENHOADU''KhoaHOGhoc,...