纳米花
铜
成核
纳米尺度
混合材料
纳米技术
磷酸盐
有机成分
材料科学
催化作用
纳米结构
纳米晶
化学工程
蛋白质结晶
化学
结晶
有机化学
环境化学
冶金
工程类
作者
Jun Ge,Jiandu Lei,Richard N. Zare
标识
DOI:10.1038/nnano.2012.80
摘要
Flower-shaped inorganic nanocrystals have been used for applications in catalysis and analytical science, but so far there have been no reports of 'nanoflowers' made of organic components. Here, we report a method for creating hybrid organic-inorganic nanoflowers using copper (II) ions as the inorganic component and various proteins as the organic component. The protein molecules form complexes with the copper ions, and these complexes become nucleation sites for primary crystals of copper phosphate. Interaction between the protein and copper ions then leads to the growth of micrometre-sized particles that have nanoscale features and that are shaped like flower petals. When an enzyme is used as the protein component of the hybrid nanoflower, it exhibits enhanced enzymatic activity and stability compared with the free enzyme. This is attributed to the high surface area and confinement of the enzymes in the nanoflowers.
科研通智能强力驱动
Strongly Powered by AbleSci AI