具有相似内界的络合物及其颜色和构型

通过对 [Co(NH3) 6 ]Cl2 与 [CoCl(NH3) 5]Cl2 等络合物颜色的分析 ,探讨了不同络合物内界的相似性 ,说明了络合物颜色不同的起因 ;用电子光谱、CD光谱等实验数据分析了具有相似内界的系列络合物 [CoⅢ(N) 6 ]3+ 和cis (N) [CoⅢN2 O4 ]- 的颜色和构型 ,纠正了某些错误观点

Study on bio-safety for Nano-Ag/HAp as anti-bacterial materials

通信作者:史建陆Tel:(0576)85199572 E-mail: zmfjmu@ gmail．com[中文文摘]目的研究纳米银羟基磷灰石的细胞毒性。方法采用能快速、准确、敏感地评价细胞增殖率和细胞毒性的MTT比色法,以纳米羟基磷灰石为对照组,纳米银羟基磷灰石为实验组,在材料浸提液中,分别检测人牙周膜成纤维样细胞的相对增殖率。另观察细胞在扫描电镜中的形态,从而分析比较涂层表面对细胞的毒性。结果与纳米羟基磷灰石相比,纳米银羟基磷灰石涂层中的纳米银粒子直径在200～400nm时体外细胞培养显示表现出较高的细胞增殖率,细胞毒性趋于0级,显示其具有良好的生物活性。结论纳米银羟基磷灰石涂层无细胞毒性。[英文文摘]Objective To study the cytotoxicity of a Nano-Ag/HAp composite coating on titanium surface.Methods A Nano-Ag/HAp composite coating was deposited on the surface of pure titanium by electrochemical deposition.In vitro celluar responses of the PDLF to the coating were also evaluated by MTT assay.Conventional HAp coatings and commercially pure titanium were taken as control.Results The Nano-Ag/Hap bioceramic coating has good crystallization and homogeneity on nano-scale surface morphology.The PDLF culture exhibits satisfactory bioactivity．Conclusions The Nano-Ag /HAp bioceramic coating on titanium surface has promising prospects in the future clinical application

STUDY AND APPLICATION of INTERMOLECULAR FORCE IN SCIENCE AND TECHNOLOGY

超分子是由弱分子间力所形成的体系，而分子间力在化学的各个领域都很重要，对物质的性质有较大的影响。本文介绍了超分子的基本概念及其在生命科学，材料科学和生物化学中的研究与应用。Supramolecular System is Formed by the weaker intermolecular Force, which is of qreat importance to every sphere of chemistry and exerts a maor inFluence on the properties of substaces.This paper introduces the Fundamental concepts study nd application of supramolecular in liFe science, matezial science and Biochemistry

Study on the Composition and Equilibrium Constant of Metallophthalocyanine/Fullerene Charge TransFer Complexes

报道锌酞菁（znPC）和C60在特殊的有机溶剂体系中可形成电荷迁移络合物（CTC），应用紫外可见、荧光、激光拉曼等光谱对CTC进行表征.在不同溶剂中CTC的组成为znPC∶C60＝2∶1和1∶1两种，分别测得它们的生成平衡常数（k），CTC显著地增强znPC的光电转移性能.Two types of ZnPc/C 60 charge transFer complexes in special mixed organic solvents are characterized by UV Vis, Fluorescence and laser Raman spectra.The mole ratios of ZnPc/C 60 For CTC are 2∶1 and 1∶1 in diFFerent solvents.The Formation equilibrium constants ( K ) are calculated.The ZnPc C 60 CTC shows the good photoelectrochemistry properties.国家及福建省自然科学基

Spectra and Thermodynamic Properties of Aduct Between Metallophthalocyanine and Fullerene

利用紫外可见光谱、荧光光谱研究锌酞菁（znPC）-球烯（C60）复合物在不同溶剂体系中的光谱性质.uV-VIS光谱在710nM附近出现新的特征吸收峰，峰位置与理论计算基本符合，这表明znPC和C60形成了分子间电荷转移复合物（CTC）.荧光光谱中激发峰的位移和荧光猝灭低谷现象进一步证实形成了znPC-C60的CTC.通过JOb′S光度滴定等方法表明znPC与C60以1∶1和2∶1的复合比生成CTC.对znPC-C60在不同温度下的生成平衡常数kC及热力学性质进行了研究.The Charge transFer complexes(CTC) of Fullerene(C 60 ) and metallophthalocyanines(MPc) are investigated by using UV Vis and Fluorescence spectroscopies in diFFerent solvents,The results of experiments prove Formation of the CTC .The UV Vis spectra appears a new absorption peak of the CTC at 710 nm,which is consistent with theoretical data.The Fluorescence quenching and the shiFt of excited peak in Fluorescence spectra indicate the presence of two complexes.The Formation constants at diFFerent temperature and the thermodynamic properties are studied experimentally.国家自然科学基金;福建自然科学基

Study on the Supramolecular Inclusion Complex of Fullerenes with p tert butyl Calixarene Benzyl Ether

报道合成了一种新型的对叔丁基杯［8］芳烃苯醚，其在甲苯中可与球烯（C60、C70）形成超分子包合物.通过红外光谱、紫外光谱对所形成的包合物进行表征，探讨了影响反应的因素，测定了C60包合物的配合比为1∶1，而C70包合物的配合比为2∶1，它们的反应平衡常数kAS分别为1.810x103MOl-1·l和3.657x102（MOl-1·l）1/2，对包合物的构型进行了推测Two supramolecular inclusion complexes of fullerenes(C 60 and C 70 ) with a new type of calixarene(p tert butyl calixarene benzyl ether) was prepared.The inclusion complexes were characterized by UV Vis and IR spectrum.The stoichiometry ratio of C 60 inclusion complex is 2∶1 and that of C 70 inclusion complex is 1∶1.The association constants K ass of two inclusion complexes are 1.810×10 3 mol -1 ·L and 3.657×10 2( mol -1 ·L) 1/2 respectively.Their conformations were estimated.国家自然科学基

Studies on the Formation of Charge TransFer Complex Between Fullerene and Zinc Phthalocyanine

The system of ZnPc-C60 ln speclal mixed organic solvents has been studled by UVVis, Fluorescence and laser Raman spectra.The results prove the existence of a chargetransFer complex (CTC) by the lnteractlon between ZnPc and C60 The molar ratio of ZnPc/C60 in CTC is 2: 1.The Formation equilibrium constant(K) was determined at 25 C.Mea-surements of photovoltaic eFFect show that ZnPc-C60 CTC leads to a rernarkable enhancementof photosensitivity comparing to that of ZnPc.国家自然科学基金;福建省自然科学基

Photoelectric Property For C_(70) on GaAs Electrode

在光电化学电池中测定C＿（70）球烯在gAAS电极上所形成异质结的光伏效应，并研究不同介质电对和C＿（70）薄膜厚度对光伏效应的影响。结果表明，1）I＿2/是较佳的介质电对；2）C＿（70）薄膜厚度约为1μM时光伏效应较大；3）C＿（70）在gAAS电极上的光电性能是优良的。The photovoltaic eFFect(PVE ) Forheterojunction Formed by C_(70)on GaAs electrode inthe photoelectrochemical cell was investigated.In Fluences of various redox couples and of thicknessof C_(70)on the photovoltaic eFFect were observed.Theresults showed that:1)I_2/was the best redoxcouple in the photoelectrochemical cell.2)Thephotovoltaic property of C_(70)-GaAs electrode at 1μmFor thickness of C_(70) was best.3 ) The photoelectricproperty of C_(70) on GaAs electrode was excellent.国家自然科学基

Synthesis and Photoelectric Property For (η--2-C_(70))Pd (PPh_3)_2 Complex

在惰性气氛中由取代反应合成出（η2-C(70)Pd(PPH3)2配合物，在光电化学电池中测定了（η2-C(70)Pd(PPH3)2在gAAS电极上形成的n＋n型异质结光伏效应.结果表明，在I2/I3-电对介质中（η2-C(70)Pd(PPH3)2有较大的光伏效应值；当（η2-C(70)Pd(PPH3)2的薄膜厚度为1μM时光伏效应最大；（η2-C(70)Pd(PPH3)2在gAAS电极上的光电转换性能是优良的.(η2-C70) Pd (PPh3)2 complex was prepared by replacement reactlon in inert gas.The photovoltaic eFFect (PVE) For (η2-C70) Pd (PPh3)2 complex on GaAs electrode Formingn+n heterojunction in photoelectrochemical cell was investigated.The results show thatI2/I3 was the best redox couple in the photoelectrochemical cell.The photovoltaic propertyof (η2-C70)Pd (PPh3)2-GaAs electrode at 1 μm For thickness of (η2-C70)Pd (PPh3)2 was thebest.The photoelectric property of (η2-C70)Pd(PPh3)2 on GaAs electrode was excellent.国家自然科学基

Synthesis and photoelectric property for (eta(2)-C-70)Pd(PPh3)(2) complex

(eta(2)-C-70)Pd(PPh3)(2) complex was prepared by replacement reaction in inert gas. The photovoltaic effect (PVE) for (eta(2)-C-70)Pd(PPh3)(2) complex on GaAs electrode forming n+n heterojunction in photoelectrochemical cell was investigated. The results show that I-2/I-3(-) was the best redox couple in the photoelectrochemical cell. The photovoltaic property of (n(2)-C-70)Pd(PPh3)(2)-GaAs electrode at 1 mu m for thickness of (n(2)-C-70)Pd(PPh3)(2) was the best. The photoelectric property of (n(2)-C-70)Pd(PPh3)(2) on GaAs electrode was excellent