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haodehen

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[交流] 小颗粒金纳米制备 已有7人参与

如何制备3-5纳米的金纳米颗粒
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zhuqiang1976

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lchpy(金币+1): thanks for your information 2011-11-03 14:22:23
Stoeva, S. I., F. Huo, et al. (2005). "Three-Layer Composite Magnetic Nanoparticle Probes for DNA." Journal of the American Chemical Society 127(44): 15362-15363.来自里面的supporting information
1-3 nm Au seeds were synthesized by reduction of HAuCl4.3H2O with tetrakis(hydroxymethyl)phosphonium chloride (THPC).3 NaOH (0.5 mL of 1M, Aldrich) was added to 45 mL of Nanopure water, followed by the addition of 1 mL THPC solution prepared by adding 12 μL of 80% THPC solution (Aldrich) to 1 mL of water. The mixture was stirred for 5 min, followed by quick addition of 1.5 mL 1 wt.% HAuCl4.3H2O (Aldrich). The color of the solution turned brown over the course of 1 min. The solution was stirred for 15 min and stored at 4oC for 2-3 days.
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