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yingli09(½ð±Ò+2): ллӦÖú£¡ 2011-07-22 16:22:25
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Maybe you can try to adjust the pH before heating. A high pH is always favorable for Au reduction. The same group also reported a similar work in Chem. Commun., 2009, 1736¨C1738. Welcome to read: http://muchong.com/bbs/viewthread.php?tid=3381534 |
2Â¥2011-07-22 15:24:00
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3Â¥2011-07-22 15:43:14
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yingli09(½ð±Ò+2): ллӦÖú£¡ 2011-07-22 16:22:34
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Fluorescent gold nanoparticles-based fluorescence sensor for Cu2+ ions Wenbin Chen, Xijuan Tu and Xiangqun Guo* 2009 chemcoom ÕâÆªÎÄÕÂÓõÄÊÇ jie zhengµÄ·½·¨£¨4Ìì ¹âÕÕ GSH£©ºÏ³ÉµÄ·¢É䲨³¤ÔÚ550nm×óÓÒµÄ½ð´Ø Facile one-pot synthesis of near-infrared luminescent gold nanoparticles for sensing copper (II) Xijuan Tu,Wenbin Chen and Xiangqun Guo 2011 Nanotechnology ÕâÆªÎÄÕÂÊÇ ÊÀ½çÉϵÚÒ»¸ö ÀûÓÃGSH»¹ÔÂȽðËáµÄ·½·¨ ºÏ³É·¢É䲨³¤ÔÚ 810nm µÄ½üºìÍâ ½ð´Ø QY=1% Á½ÆªÎÄÕµĵÚÒ» µÚ¶þ×÷Õß¾ùÒѲ©Ê¿±ÏÒµ£¨Á½Õß·òÆÞ¹ØÏµ£©£¬Í¨¹ýÏÃÃÅ´óѧµÄͬѧҪµ½ µÚÒ»×÷ÕßµÄÓÊÏ䣨ÎÒ¾õµÃͨѶ×÷ÕßҲ˵²»³öʲôÀ´£©£¬Á½¸öÔÂǰ·¢Óʼþ»¹Ã»Óлظ´¡¤¡¤¡¤¡¤ ÓÐË×ö¹ýÕâ¸ö GSH@AU ·¢É䲨³¤ 810nmµÄ¿ÉÒÔÌÖÂÛһϠ£¬»òÕßÓÐÐËȤҲ¿ÉÒÔ×öһϣ¬Ò»ÏÂÎç¾Í¿ÉÒԸ㶨¡¤¡¤¡¤¡¤¡¤¿´¿´ÎÒÄÄÀïÊèºöÁË |
4Â¥2011-07-22 15:54:27
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You can also have a look of Jie Zheng's PhD thesis (http://www.box.net/shared/hixqnm5n8v), where he mentioned something about tuning the emission wavelength of GSH-reduced Au clusters. |
5Â¥2011-07-22 16:19:14
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ÎÒÒÑ¿´¹ýËûµÄ²©Ê¿ÂÛÎÄ£¬µ«´ÓËûÔÚUTD·¢±íµÄÎÄÕ¿´http://www.utdallas.edu/~jiezheng/Publications.html 14. M. Yu,† C. Zhou,† J. Liu, J. D. Hankins and J. Zheng, ¡°Luminescent Gold Nanoparticles with pH Dependent Membrane Adsorption¡±, J. Am. Chem. Soc., Accepted. († Equal contribution) 13. C. Zhou, M. Long, Y. Qin, X. Sun and J. Zheng, ¡°Luminescent Gold Nanoparticles with Efficient Renal Clearance¡±, Angew. Chem. Int. Ed., 2011, 50(14), 3168-3172. 12. C. Ratanatawanate, J. Yu, C. Zhou, J. Zheng, K. J. Balkus, ¡°Synthesis of Gold Nanoclusters: A Fluorescent Marker for Water-soluble TiO2 Nanotubes¡± Nanotechnology, 2011, 22(6), 065601. 11. C. Zhou, C. Sun, M. Yu, Y. Qin, J. Wang, M. Kim and J. Zheng, ¡°Luminescent Gold Nanoparticles with Mixed Valence States Generated from Dissociation of Polymeric Au (I) Thiolates¡±, J. Phys. Chem. C, 2010, 114(17), 7727-7732. (Citation: 8) ËûÀûÓÃGSH»¹ÔÂȽðËáһֱʹÓõÄÊÇ¡° 2ÖÜ·¨¡±»ò¡°4ÖÜ·¨¡±£¬ÎÒÈÏΪËû»¹Ã»ÓÐÕÆÎÕ½üºìÍâ GSH@Au µÄºÏ³É·½·¨£¬ÉõÖÁÎÞ·¨°ÑºÏ³Éʱ¼äËõ¶Ì£¬Xijuan TuµÈÔÚ2011ÄêÄÇÆª nanotechnology ÖÐÒ²Ö¤Ã÷ÁËÕâÒ»µã£¬ÎÒÏë¸ø jie zheng ·¢·âÓʼþ£¬ÈÃËûÒªÊÇÒѾÓÐз½·¨Á˾ÍÔçµã·¢±í³öÀ´¡¤¡¤¡¤¡¤2ÖܺϳÉÌ«ºÄʱ¼ä¡¤¡¤¡¤¡¤ ![]() |
6Â¥2011-07-22 17:22:17
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8Â¥2011-07-23 09:56:03
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9Â¥2011-07-23 10:49:07
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