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關(guān)于將油相納米材料轉(zhuǎn)為水相的問題,歡迎大家討論。
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最近參考文獻制備一些油相的納米材料(量子點,F(xiàn)e3O4)等,然后想將其轉(zhuǎn)為水相,但是嘗試多次,效果不好。不知大家可否有這方面經(jīng)驗。 我找到幾篇文獻如下: 1.PSMA法: (1) Lees, E. E.; Nguyen, T. L.; Clayton, A. H. A.; Mulvaney, P.; Muir, B. W. The Preparation of Colloidally Stable, Water-Soluble, Biocompatible, Semiconductor Nanocrystals With a Small Hydrodynamic Diameter Acs Nano 2009, 3, 1121-1128. 2.PMAO法: (2) Yu, W. W.; Chang, E.; Falkner, J. C.; Zhang, J. Y.; Al-Somali, A. M.; Sayes, C. M.; Johns, J.; Drezek, R.; Colvin, V. L. Forming biocompatible and nonaggregated nanocrystals in water using amphiphilic polymers J. Am. Chem. Soc. 2007, 129, 2871-2879. (3) Di Corato, R.; Quarta, A.; Piacenza, P.; Ragusa, A.; Figuerola, A.; Buonsanti, R.; Cingolani, R.; Manna, L.; Pellegrino, T. Water solubilization of hydrophobic nanocrystals by means of poly(maleic anhydride-alt-1-octadecene) J. Mater. Chem. 2008, 18, 1991-1996. (4) Jiang, G. C.; Pichaandi, J.; Johnson, N. J. J.; Burke, R. D.; van Veggel, F. An Effective Polymer Cross-Linking Strategy To Obtain Stable Dispersions of Upconverting NaYF4 Nanoparticles in Buffers and Biological Growth Media for Biolabeling Applications Langmuir 2012, 28, 3239-3247. 3.ATP Liu, L.; Zhong, X. H. A general and reversible phase transfer strategy enabling nucleotides modified high-quality water-soluble nanocrystals Chem. Commun. 2012, 48, 5718-5720. 4.TTAP Wang, M. N.; Liu, X. Y.; Cao, C. B.; Wang, L. Highly luminescent CuInS2-ZnS nanocrystals: achieving phase transfer and nuclear homing property simultaneously through simple TTAB modification J. Mater. Chem. 2012, 22, 21979-21986. 其中PSMA和PMAO是兩種商品化的兩親性聚合物,我主要參考文獻1.PSMA Acs nano中的方法,無論是用PSMA還是PMAO效果都不好,根本達不到文獻所說的效果。 請問大家都是用什么樣的方法呢? |
鋰電資源共享 | 鋰離子電池正極材料 |
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如果你是土豪的話,試試這個吧,效果極好 Jin, Y., et al., Multifunctional nanoparticles as coupled contrast agents. Nat Commun, 2010. 1: p. 41 不是土豪的話,試試這個,效果相當湊合 Zhang, T., et al., A General Approach for Transferring Hydrophobic Nanocrystals into Water. Nano Letters, 2007. 7(10): p. 3203-3207. |


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