Supramolecular Fuzzy Recognition Leads to Effective Differentiation of Similar Molecules
Supramolecular Fuzzy Recognition Leads to Effective Differentiation of Similar Molecules
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超分子模糊识别有效区分相似分子
DOI:
10.1002/pola.24667
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发表时间:
2011-06
期刊:
影响因子:
--
通讯作者:
Huang, Junlian
中科院分区:
文献类型:
--
作者:
Wan, Decheng;Pu, Hongting;Jin, Ming;Wang, Guowei;Huang, Junlian
The separation of structurally similar molecules remains a general challenge; here, we report that a roughly defined macromolecular nanocapsule can efficiently separate a variety of structurally similar mixtures. The nanocapsule is a coreshell amphiphilic macromolecule (CAM) hydrophobically derived from hyperbranched polyethylenimine with 2-hexadecyloxymethyloxir- ane. It is found that with further chemical core engineering of the CAM, its guest selectivity can be radically enhanced, although spe- cific hostguest interaction is absent or ignorable in the system. As a result, two groups of structurally similar guests such as fluores- cein/tetrachlorofluorescein, and rose bengal/erythrosine B/eosin Y, can be well recognized by the CAMs. It is known that a complex (fuzzy) system is generally characterized by complexity and nonli- nearity; thus core engineering of a CAM is possible to amplify the difference of the competitive guests and lead to effective guest dif- ferentiation, such a mechanism is called supramolecular fuzzy rec- ognition (SFR). Our results demonstrate that with appropriate combination of various elementary interaction styles, SFR can lead to effective recognition of a wide spectrum of mixtures. Moreover, a SFR host can be roughly defined in structure and thus readily available. V C 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 49: 2373-2381, 2011
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DOI:
10.1002/chin.199744337
发表时间:
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期刊:
ChemInform
影响因子:
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作者:
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发表时间:
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期刊:
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影响因子:
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影响因子:
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通讯作者:
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影响因子:
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