In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar co...In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar conductance,respectively.The inhibitory effects of them on five tumor cell lines,including HL-60,Bel-7402,EJ,HCT-8and A431 have been measured by using MTT(Dimethoxyneotetrazolium)colorimetric assay and SRB(Sulforhodamine B)assay.The result indicated that the Ag Complex has str onger inhibitory effect on the five t umor cell lines than the ligand,especially showed very stro ng effect on HL-60cell and Bel-7402c ell.When the exposure concentration of the complex was 10-5mol·L-1,The inhibitory rate is over 96%.展开更多
2-(2-quinolinylazo)-1,3-diaminobenzene(QADAB)was synthesized,and its color reaction with copper(Ⅱ)was studied.In the medium of CTMAB and presence of pH=4.0 buffer solution.QADAB could react with copper(Ⅱ)to ...2-(2-quinolinylazo)-1,3-diaminobenzene(QADAB)was synthesized,and its color reaction with copper(Ⅱ)was studied.In the medium of CTMAB and presence of pH=4.0 buffer solution.QADAB could react with copper(Ⅱ)to form a violet stable 2∶1 complex.The molar absorptivity of the complex is 8.11×104L·mol-1·cm-1 at 555 nm.Beer’s law was obeyed in range of 0~20 μg/25mL.This method may be applied to the determination of copper in environmental samples with good results.展开更多
文摘In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar conductance,respectively.The inhibitory effects of them on five tumor cell lines,including HL-60,Bel-7402,EJ,HCT-8and A431 have been measured by using MTT(Dimethoxyneotetrazolium)colorimetric assay and SRB(Sulforhodamine B)assay.The result indicated that the Ag Complex has str onger inhibitory effect on the five t umor cell lines than the ligand,especially showed very stro ng effect on HL-60cell and Bel-7402c ell.When the exposure concentration of the complex was 10-5mol·L-1,The inhibitory rate is over 96%.
文摘2-(2-quinolinylazo)-1,3-diaminobenzene(QADAB)was synthesized,and its color reaction with copper(Ⅱ)was studied.In the medium of CTMAB and presence of pH=4.0 buffer solution.QADAB could react with copper(Ⅱ)to form a violet stable 2∶1 complex.The molar absorptivity of the complex is 8.11×104L·mol-1·cm-1 at 555 nm.Beer’s law was obeyed in range of 0~20 μg/25mL.This method may be applied to the determination of copper in environmental samples with good results.