A novel compound formulated [NH2(CH2)4CHNH2COOH]H6P2Mo18O62 has been synthesized and its structure has been characterized, which is the first example of aminoacid-heteropolyacid species. Crystal system is orthorhombic...A novel compound formulated [NH2(CH2)4CHNH2COOH]H6P2Mo18O62 has been synthesized and its structure has been characterized, which is the first example of aminoacid-heteropolyacid species. Crystal system is orthorhombic, space group P21212, unit cell dimensions: α=1. 572 2(3) nm, b=2.118 1 (4) nm, c=1.238 3(3) nm, α=90.04(3)°, β=90.00 (2)°, γ= 89. 99 (3)°, V = 4.123 6(14) nm3, Z=2, D0=2.437×103 kg/m3, R=0.038 7. Experimental result shows that the title compound has electrocatalysis reactivity.展开更多
A supermolecular compound, {8-hydroxyquinolineH44+·SiW12O404-·2H2O} was synthesized by hydrothermal reaction with silico-tungstic acid and 8-hydroxyquinoline. The crystal of the compound belongs to monoclini...A supermolecular compound, {8-hydroxyquinolineH44+·SiW12O404-·2H2O} was synthesized by hydrothermal reaction with silico-tungstic acid and 8-hydroxyquinoline. The crystal of the compound belongs to monoclinic system, space group P21/n, with a=1.282 6(6) nm, b=2.292 7(4) nm, c=2.092 0(6) nm, β=95.495(2)°, Z=4, V=6.124 1(7) nm3, Dc=3.791 g·cm-3, μ=22.568 mm-1, F(000)=6 200, R1=0.029 3, wR2=0.069 3, GOF=1.079. Su-permolecular compound is composed of one SiW12O404- with Keggin structure, four protonated cations of 8-hydroxyquinoline, two hydrones. Thermal analysis results showed that the anionic skeleton construction of heteropoly acid in compound decomposed approximately at 349.0 ℃. CCDC: 622142.展开更多
以电化学法和光度法对铬黑T（Eriochrome black T,EBT）与牛血清白蛋白（Bovine serum albumin,BSA）的相互作用进行了研究。研究表明：在pH5.29的（Britton-Robinson,B-R）缓冲液中,EBT有两个氧化峰和两个还原峰,加入BSA后EBT峰电位不...以电化学法和光度法对铬黑T（Eriochrome black T,EBT）与牛血清白蛋白（Bovine serum albumin,BSA）的相互作用进行了研究。研究表明：在pH5.29的（Britton-Robinson,B-R）缓冲液中,EBT有两个氧化峰和两个还原峰,加入BSA后EBT峰电位不变,峰电流下降,据此建立了一种测定BSA的电分析方法。在优化条件下,峰电流下降值与所加的BSA量在2.0×10-6~1.0×10-5mol/L、2.0×10-6~6.0×10-7mol/L和6.0×10-7~5.0×10-8mol/L范围内呈线性响应,检测限为1.0×10-9mol/L。通过测定BSA引入前后的一些电化学参数,推测EBT与BSA相互作用生成了一种非电活性的超分子化合物,探讨了BSA与EBT的结合反应机理。展开更多
文摘A novel compound formulated [NH2(CH2)4CHNH2COOH]H6P2Mo18O62 has been synthesized and its structure has been characterized, which is the first example of aminoacid-heteropolyacid species. Crystal system is orthorhombic, space group P21212, unit cell dimensions: α=1. 572 2(3) nm, b=2.118 1 (4) nm, c=1.238 3(3) nm, α=90.04(3)°, β=90.00 (2)°, γ= 89. 99 (3)°, V = 4.123 6(14) nm3, Z=2, D0=2.437×103 kg/m3, R=0.038 7. Experimental result shows that the title compound has electrocatalysis reactivity.
文摘A supermolecular compound, {8-hydroxyquinolineH44+·SiW12O404-·2H2O} was synthesized by hydrothermal reaction with silico-tungstic acid and 8-hydroxyquinoline. The crystal of the compound belongs to monoclinic system, space group P21/n, with a=1.282 6(6) nm, b=2.292 7(4) nm, c=2.092 0(6) nm, β=95.495(2)°, Z=4, V=6.124 1(7) nm3, Dc=3.791 g·cm-3, μ=22.568 mm-1, F(000)=6 200, R1=0.029 3, wR2=0.069 3, GOF=1.079. Su-permolecular compound is composed of one SiW12O404- with Keggin structure, four protonated cations of 8-hydroxyquinoline, two hydrones. Thermal analysis results showed that the anionic skeleton construction of heteropoly acid in compound decomposed approximately at 349.0 ℃. CCDC: 622142.
文摘以电化学法和光度法对铬黑T（Eriochrome black T,EBT）与牛血清白蛋白（Bovine serum albumin,BSA）的相互作用进行了研究。研究表明：在pH5.29的（Britton-Robinson,B-R）缓冲液中,EBT有两个氧化峰和两个还原峰,加入BSA后EBT峰电位不变,峰电流下降,据此建立了一种测定BSA的电分析方法。在优化条件下,峰电流下降值与所加的BSA量在2.0×10-6~1.0×10-5mol/L、2.0×10-6~6.0×10-7mol/L和6.0×10-7~5.0×10-8mol/L范围内呈线性响应,检测限为1.0×10-9mol/L。通过测定BSA引入前后的一些电化学参数,推测EBT与BSA相互作用生成了一种非电活性的超分子化合物,探讨了BSA与EBT的结合反应机理。
