The sonocatalytic damage of bovine serum albumin （BSA） was studied in the presence of nanometer titanium dioxide （TiO2） powders by low frequency （80 kHz） ultrasound. The destruction of secondary structure and ch...The sonocatalytic damage of bovine serum albumin （BSA） was studied in the presence of nanometer titanium dioxide （TiO2） powders by low frequency （80 kHz） ultrasound. The destruction of secondary structure and change of α-helical structure of BSA were reflected by ultraviolet （UV） and circular dichroism （CD） spectroscopies.展开更多
The crystal structure of the ternary complex [Cu (L)(2, 2'-bipy)H2 O]·2H2O(L=phenylmalonate) has been determined by X-ray diffraction methods. The copperf(II) centerin five-coordinate Square-pyramidal structu...The crystal structure of the ternary complex [Cu (L)(2, 2'-bipy)H2 O]·2H2O(L=phenylmalonate) has been determined by X-ray diffraction methods. The copperf(II) centerin five-coordinate Square-pyramidal structure.It is of interest in this structure that the complexinvolves a metal ion bridge ligand-ligand aromatic ring stacking interaction展开更多
Coordination polymer {[Cu（NPPCA）3（NO3）（H20）]-NOyH20}n 1 （ NPPCA = N-（4＇- nitrophenyl）-4-pyridinecarboxamide） has been synthesized by the reaction of NPPCA with copper（H） nitrate in ethanol-water solution ...Coordination polymer {[Cu（NPPCA）3（NO3）（H20）]-NOyH20}n 1 （ NPPCA = N-（4＇- nitrophenyl）-4-pyridinecarboxamide） has been synthesized by the reaction of NPPCA with copper（H） nitrate in ethanol-water solution and characterized by X-ray diffraction. 1 crystallizes in the monoclinic space, group P21/n, a = 17.341（6）A, b = 6.744（2）A, c = 34.555（12）A, β = 100.493（6）°, V = 3974（2） A^3, Z = 4. Each copper（H） ion has a distorted octahedral coordination geometry. Nitrate anion adopts the unusual coordination mode linking two adjacent copper（H） ions to form a one-dimensional coordination polymer and these chains are further linked by noncovalent interactions.展开更多
Heats of immersion into a series of organic bases at 25℃ are reported for Polymer protected catalyst PVC-AlCl3. There is a good correlation between the heats of immersion of PVC-AlCl3 and thermochemical measurements ...Heats of immersion into a series of organic bases at 25℃ are reported for Polymer protected catalyst PVC-AlCl3. There is a good correlation between the heats of immersion of PVC-AlCl3 and thermochemical measurements of BF3 or SbCl5. The results have shown that the reaction of PVC-AlCl3 with various bases is essentially Lewis acid-base interaction and the surface acidity of PVC-AlCl3 is mainly attributed to Lewis acidity展开更多
The present paper suggests a new method based on correlation coefficient matrix for thermochemical data to study acidity classification of complex solid surface. As an example, we studied the acidity classification of...The present paper suggests a new method based on correlation coefficient matrix for thermochemical data to study acidity classification of complex solid surface. As an example, we studied the acidity classification of two ultrastable Y zeolite. The results supported the investigation results of infrared spectroscopy.展开更多
基金We greatly acknowledge the National Natural Science Foundation of China for financial support.
文摘The sonocatalytic damage of bovine serum albumin （BSA） was studied in the presence of nanometer titanium dioxide （TiO2） powders by low frequency （80 kHz） ultrasound. The destruction of secondary structure and change of α-helical structure of BSA were reflected by ultraviolet （UV） and circular dichroism （CD） spectroscopies.
文摘The crystal structure of the ternary complex [Cu (L)(2, 2'-bipy)H2 O]·2H2O(L=phenylmalonate) has been determined by X-ray diffraction methods. The copperf(II) centerin five-coordinate Square-pyramidal structure.It is of interest in this structure that the complexinvolves a metal ion bridge ligand-ligand aromatic ring stacking interaction
基金This project is supported by the Natural Science Foundation of Education Bureau of Liaoning Province,China.
文摘Coordination polymer {[Cu（NPPCA）3（NO3）（H20）]-NOyH20}n 1 （ NPPCA = N-（4＇- nitrophenyl）-4-pyridinecarboxamide） has been synthesized by the reaction of NPPCA with copper（H） nitrate in ethanol-water solution and characterized by X-ray diffraction. 1 crystallizes in the monoclinic space, group P21/n, a = 17.341（6）A, b = 6.744（2）A, c = 34.555（12）A, β = 100.493（6）°, V = 3974（2） A^3, Z = 4. Each copper（H） ion has a distorted octahedral coordination geometry. Nitrate anion adopts the unusual coordination mode linking two adjacent copper（H） ions to form a one-dimensional coordination polymer and these chains are further linked by noncovalent interactions.
文摘Heats of immersion into a series of organic bases at 25℃ are reported for Polymer protected catalyst PVC-AlCl3. There is a good correlation between the heats of immersion of PVC-AlCl3 and thermochemical measurements of BF3 or SbCl5. The results have shown that the reaction of PVC-AlCl3 with various bases is essentially Lewis acid-base interaction and the surface acidity of PVC-AlCl3 is mainly attributed to Lewis acidity
文摘The present paper suggests a new method based on correlation coefficient matrix for thermochemical data to study acidity classification of complex solid surface. As an example, we studied the acidity classification of two ultrastable Y zeolite. The results supported the investigation results of infrared spectroscopy.
