Optical Nanoimaging for Block Copolymer Self-Assembly.
One approach toward optical nanoimaging involves sequential molecular localization of photoswitchable fluorophores to achieve high resolution beyond optical limit of diffraction. Block copolymer micelles assembled from polystryrene-block-poly(ethylene oxide) block copolymers (PSt-b-PEO) are visualiz...
| Publicado en: | Journal of the American Chemical Society Vol. 137; no. 7; pp. 2436 - 2440 |
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| Autores principales: | , , , , , , , , , |
| Formato: | Artículo |
| Publicado: |
American Chemical Society
2/25/2015
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=hlh&AN=101510129&site=ehost-live header: @attributes: shortDbName: hlh uiTerm: 101510129 longDbName: Humanities International Complete uiTag: AN controlInfo: bkinfo: jinfo: jid: 00027863 ACS jtl: Journal of the American Chemical Society issn: 00027863 maglogo: N pubinfo: dt: 2/25/2015 vid: 137 iid: 7 pid: 997 pub: American Chemical Society artinfo: ui: 101510129 10.1021/ja512189a ppf: 2436 ppct: 4 formats: tig: atl: Optical Nanoimaging for Block Copolymer Self-Assembly. aug: au: Jie Yan Ling-Xi Zhao Chong Li Zhe Hu Guo-Feng Zhang Ze-Qiang Chen Tao Chen Zhen-Li Huang Jintao Zhu Ming-Qiang Zhu affil: Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China su: Chromophores Epoxy compounds Copolymer micelles Block copolymers Electromagnetic waves sug: subj: Chromophores Epoxy compounds Copolymer micelles Block copolymers Electromagnetic waves ab: One approach toward optical nanoimaging involves sequential molecular localization of photoswitchable fluorophores to achieve high resolution beyond optical limit of diffraction. Block copolymer micelles assembled from polystryrene-block-poly(ethylene oxide) block copolymers (PSt-b-PEO) are visualized in optical nanoimaging by staining the polystyrene blocks with spiropyrans (SPs). SPs localized in hydrophobic phase of block copolymer micelles exhibit reversible fluorescence on-off switching at alternating irradiation of UV and visible light. Phase-selective distribution of SPs in block copolymer micelles enables optical nanoimaging of microphase structures of block copolymer self-assembly at 50-nm resolution. To date, this is the sturdiest realization of optical nanoimaging with subdiffraction resolution for solution self-assembly of block copolymers. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: Y dt: @attributes: year: 2015 holdings: @attributes: islocal: N |
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