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Sökning: WFRF:(Malone Lorna A.) > (2022) > Light Responsivenes...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003780naa a2200505 4500
001oai:lup.lub.lu.se:60868688-b870-42de-8b7b-254bffa34892
003SwePub
008221206s2022 | |||||||||||000 ||eng|
0247 a https://lup.lub.lu.se/record/60868688-b870-42de-8b7b-254bffa348922 URI
0247 a https://doi.org/10.1021/jacsau.2c004532 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Tyagi, Gunjanu Imperial College London4 aut
2451 0a Light Responsiveness and Assembly of Arylazopyrazole-Based Surfactants in Neat and Mixed CTAB Micelles
264 c 2022-10-31
264 1b American Chemical Society (ACS),c 2022
520 a The self-assembly of an arylazopyrazole-based photosurfactant (PS), based on cetyltrimethylammonium bromide (CTAB), and its mixed micelle formation with CTAB in aqueous solution was investigated by small angle neutron and X-ray scattering (SANS/SAXS) and UV-vis absorption spectroscopy. Upon UV light exposure, PS photoisomerizes from E-PS (trans) to Z-PS (cis), which transforms oblate ellipsoidal micelles into smaller, spherical micelles with larger shell thickness. Doping PS with CTAB resulted in mixed micelle formation at all stoichiometries and conditions investigated; employing selectively deuterated PS, a monotonic variation in scattering length density and dimensions of the micellar core and shell is observed for all contrasts. The concentration- and irradiance-dependence of the E to Z configurational transition was established in both neat and mixed micelles. A liposome dye release assay establishes the enhanced efficacy of photosurfactants at membrane disruption, with E-PS exhibiting a 4-fold and Z-PS a 10-fold increase in fluorescence signal with respect to pure CTAB. Our findings pave the way for external triggering and modulation of the wide range of CTAB-based biomedical and material applications.
650 7a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng
653 a arylazopyrazole
653 a CTAB
653 a liposome
653 a micelle
653 a photosurfactant
653 a SANS
653 a SAXS
7001 a Greenfield, Jake L.u Imperial College London4 aut
7001 a Jones, Beatrice E.u Diamond Light Source,University of Cambridge4 aut
7001 a Sharratt, William N.u Imperial College London4 aut
7001 a Khan, Kasimu Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Växtbiologi,Forskargrupper vid Lunds universitet,Molecular Cell Biology,Department of Biology,Faculty of Science,Plant Biology,Lund University Research Groups4 aut0 (Swepub:lu)ka5632kh
7001 a Seddon, Daleu Imperial College London4 aut
7001 a Malone, Lorna A.u Diamond Light Source4 aut
7001 a Cowieson, Nathanu Diamond Light Source4 aut
7001 a Evans, Rachel C.u University of Cambridge4 aut
7001 a Fuchter, Matthew J.u Imperial College London4 aut
7001 a Cabral, João T.u Imperial College London4 aut
7102 a Imperial College Londonb Diamond Light Source4 org
7730 t Journal of the American Chemical Societyd : American Chemical Society (ACS)g 2:12, s. 2670-2677q 2:12<2670-2677x 0002-7863
7730 t JACS Aud : American Chemical Society (ACS)g 2:12, s. 2670-2677q 2:12<2670-2677x 2691-3704x 2691-3704
8564 u http://dx.doi.org/10.1021/jacsau.2c00453x freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/60868688-b870-42de-8b7b-254bffa34892
8564 8u https://doi.org/10.1021/jacsau.2c00453

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