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Conjugated Polyimine Dynamers as Phase-Sensitive Membrane Probes

Published in Journal of the American Chemical Society. 2018, vol. 140, no. 36, p. 11438-11443
Abstract In this report, dynamic polyimines are introduced as multifunctional sensors of lipid bilayer phases. Under mildly acidic conditions, self-condensation of push–pull amino formyl fluorenes into polyimines occurs in solid- or liquid-ordered phases but not in liquid-disordered phases of vesicular membranes. The obtained conjugated polymers are characterized by a progressive red shift of the absorption maxima, the appearance of exciton-coupled circular dichroism (CD) bands, and fluorescence quenching. These characteristics allow multiple modes of detection of membrane phases, which are known to change under membrane tension.
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Research group Groupe Matile
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SAKAI, Naomi, MATILE, Stefan. Conjugated Polyimine Dynamers as Phase-Sensitive Membrane Probes. In: Journal of the American Chemical Society, 2018, vol. 140, n° 36, p. 11438-11443. doi: 10.1021/jacs.8b06668 https://archive-ouverte.unige.ch/unige:107782

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Deposited on : 2018-09-14

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