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Chuanxi Wang, Yu Wang, Lin Xu, Xiaodong Shi, Xiangwei Li, Xiaowei Xu, Hongchen Sun, Bai Yang and Quan Lin A Galvanic Replacement Route to Prepare Strongly Fluorescent and Highly Stable Gold Nanodots for Cellular Imaging Small 9

Version of Record online: 8 OCT 2012 | DOI: 10.1002/smll.201201849

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A new synthetic route for the preparation of strongly fluorescent gold nanodots (GNDs) through galvanic replacement is developed. The resultant GNDs show excellent photoluminescence properties with high photo-, time-, metal- and pH-stability. The as-prepared GNDs exhibit good dispersion in aqueous solution, favorable biocompatibility, and could be used as nanoprobes for cells.

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