Preparation and characterization of noble metal nanocolloids by silk fibroin in situ reduction

来源 :Science in China(Series B) | 被引量 : 0次 | 上传用户:zengdf
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Noble metal nanocolloids are prepared from their precursors by in situ reduction of a silk fibroin solution at room temperature without any reducing agent. The mechanism, the effects of pH and the molar ratio of the reactants on the reduction reaction are
其他文献
一词多义是一种普遍的语言现象,但绝非普通的语言现象。如何对这一现象做出全面合理的解释,绝非易事,这一现象的阐释涉及人的心智与认知。本文以认知语言学中的隐喻及转喻理
A shortest path routing algorithm based on transient chaotic neural network is proposed in this paper. Compared with previous models adopting Hopfield neural ne
Based on the electric-spark principle, a new kind of cavitation damage testing apparatus was designed, which could produce the bubble. Bubbles collapsed and act
The flotation behavior of quartz using N-(2-aminoethyl)-octadecanamide (AEOA ) as a collector was investigated.Zeta potential and infrared spectra were conducte
The structures of Y2Fe17-xCrx are simulated by the ab initio potentials. The site preference of Cr atom in Y2Fe17 is evaluated and the order is determined as 4f
This paper presents a new hybrid genetic algorithm for the vertex cover problems in which scan-repair and local improvement techniques are used for local optimi
SiCw/Al composite was fabricated through a squeeze cast route and cold rolled to about 30%, 50% and 70% reduction in thickness, respectively. The length of whis
The effect of exchange-coupling interaction on the effective anisotropy and its varying tendency in nanocrystalline single-phase NdFeB permanent magnetic materi
A new extrapolation approach was proposed to calculate the strain energy release rates of complex cracks. The point-by-point closed method was used to calculate
Low-pressure refrigerant gas hydrates have brilliant prospects as a cool storage me-dium for air-conditioning systems. Intensive effects of some specific magnet