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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la203857s
|2 doi
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|a pubmed24n0711.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Jin, Haibao
|e verfasserin
|4 aut
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|a Cytomimetic large-scale vesicle aggregation and fusion based on host-guest interaction
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.05.2012
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 American Chemical Society
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|a Herein, we have shown a large-scale cell-mimetic (cytomimetic) aggregation process by using cell-sized polymer vesicles as the building blocks and intervesicular host-guest molecular recognition interactions as the driving force. We first prepared the hyperbranched polymer vesicles named branched polymersomes (BPs) around 5-10 μm through the aqueous self-assembly of a hyperbranched multiarm copolymer of HBPO-star-PEO [HBPO = hyperbranched poly(3-ethyl-3-oxetanemethanol); PEO = poly(ethylene oxide)]. Subsequently, adamantane-functionalized BPs (Ada-BPs) or β-cyclodextrin-functionalized BPs (CD-BPs) were prepared through the coassembly of HBPO-star-PEO and Ada-modified HBPO-star-PEO (HBPO-star-PEO-Ada), or of HBPO-star-PEO and CD-modified HBPO-star-PEO (HBPO-star-PEO-CD), respectively. Macroscopic vesicle aggregates were obtained by mixing CD-BPs and Ada-BPs. The intervesicular host-guest recognition interactions between β-CD units in CD-BPs and Ada units in Ada-BPs, which were proved by (1)H nuclear Overhauser effect spectroscopy (NOESY) spectrum and the fluorescence probe method, are responsible for the vesicle aggregation. Additionally, the vesicle fusion events happened frequently in the process of vesicle aggregation, which were certified by double-labeling fluorescent assay, real-time observation, content mixing assay, and component mixing assay
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Polymers
|2 NLM
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|a beta-Cyclodextrins
|2 NLM
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|a Adamantane
|2 NLM
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|a PJY633525U
|2 NLM
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| 700 |
1 |
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|a Liu, Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Yongli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yongfeng
|e verfasserin
|4 aut
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| 700 |
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|a Yan, Deyue
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 4 vom: 31. Jan., Seite 2066-72
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:28
|g year:2012
|g number:4
|g day:31
|g month:01
|g pages:2066-72
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|u http://dx.doi.org/10.1021/la203857s
|3 Volltext
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