作为微纳米科学理论与技术迅猛发展的代表,原子力显微镜(atomic force microscopy,AFM)在其25年的发展过程中极大地推进了生物学在微纳米尺度上的拓展,为微纳米生物学的诞生与发展提供了重要技术手段。本文在介绍AFM基本原理和检测模式...作为微纳米科学理论与技术迅猛发展的代表,原子力显微镜(atomic force microscopy,AFM)在其25年的发展过程中极大地推进了生物学在微纳米尺度上的拓展,为微纳米生物学的诞生与发展提供了重要技术手段。本文在介绍AFM基本原理和检测模式的基础上,结合作者在该领域的研究成果和工作经验,从生物结构与形态学研究、表面物化性质表征、生物大分子的力学操纵三方面综述了AFM在细胞与生物大分子超微结构与生物力学特性研究中的具体应用,并重点探讨了AFM在细胞与生物大分子科学研究中亟待改进和解决的科学与技术问题,提出了一些探讨性的见解和建议。展开更多
Zinc oxide nanostructure thin films were prepared on quartz slides via chemical vapour deposition(CVD). Various nanostructures such as nanorod, nanowires and surface-rough nanocubes, could be obtained under carefully ...Zinc oxide nanostructure thin films were prepared on quartz slides via chemical vapour deposition(CVD). Various nanostructures such as nanorod, nanowires and surface-rough nanocubes, could be obtained under carefully tuning experimental conditions. The surface-enhanced Raman scattering(SERS) character of these films was investigated by using 4-mercaptopyridine(4-MPY) as the probing molecule.展开更多
A new kind of dendritic supramolecular complex with porphyrin as a core-centre was prepared based on electrostatic attraction between tetraphenylporphyrinsulfonate anlon and polyether dendritic cations, which was conf...A new kind of dendritic supramolecular complex with porphyrin as a core-centre was prepared based on electrostatic attraction between tetraphenylporphyrinsulfonate anlon and polyether dendritic cations, which was confirmed by 1 H NMR, IR and elementary analysis.展开更多
文摘作为微纳米科学理论与技术迅猛发展的代表,原子力显微镜(atomic force microscopy,AFM)在其25年的发展过程中极大地推进了生物学在微纳米尺度上的拓展,为微纳米生物学的诞生与发展提供了重要技术手段。本文在介绍AFM基本原理和检测模式的基础上,结合作者在该领域的研究成果和工作经验,从生物结构与形态学研究、表面物化性质表征、生物大分子的力学操纵三方面综述了AFM在细胞与生物大分子超微结构与生物力学特性研究中的具体应用,并重点探讨了AFM在细胞与生物大分子科学研究中亟待改进和解决的科学与技术问题,提出了一些探讨性的见解和建议。
文摘Zinc oxide nanostructure thin films were prepared on quartz slides via chemical vapour deposition(CVD). Various nanostructures such as nanorod, nanowires and surface-rough nanocubes, could be obtained under carefully tuning experimental conditions. The surface-enhanced Raman scattering(SERS) character of these films was investigated by using 4-mercaptopyridine(4-MPY) as the probing molecule.
文摘A new kind of dendritic supramolecular complex with porphyrin as a core-centre was prepared based on electrostatic attraction between tetraphenylporphyrinsulfonate anlon and polyether dendritic cations, which was confirmed by 1 H NMR, IR and elementary analysis.
