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Gold nanoclusters(AuNCs) were prepared in the presence of the nucleobases of poly-cytosine DNAs in this paper. We have demonstrated that the fluorescence of the AuNCs is quenched by thiocyanate(SCN−) through the interaction between SCN− and gold atoms. AuNCs can receive energy from nucleobases to boost their emission intensity, while in the presence of SCN−, they coordinate with Au atoms and influence...
With the increasing popularity of the Internet, how to analysis the network data, and get useful information or find clues to attack, has become a new topic in the field of computer network. Based on the analysis of the streaming media technology, this paper put forward the proposal of streaming media in network transmission, and raise that the streaming media service system will also have a significant...
The complicated nature of regional development requires a more integrated approach to reflect its systematic picture. Multi-scale integrated analysis of societal metabolism (MSIASM) is such an approach as it integrates economic, social and ecological dimension. In this paper, we employ such an approach to evaluate regional societal and ecosystem metabolism in China. We set up a series of indicators...
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