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Article Dans Une Revue Materials Today: Proceedings Année : 2016

Raman and SERS Spectroscopy of D96N Mutant Bacteriorhodopsin

Résumé

Effect of silver nanoparticles (AgNPs) on the D96N mutant form of bacteriorhodopsin (BRh-D96N) contained in fragments of purple membranes (PMs) of bacteria Halobacterium salinarum has been analyzed. It has been found that interaction of AgNPs with BRh-D96N in SERS-active spots leads to “freezing” of the protein photocycle. The AgNPs change and then fix the state of BRh-D96N in SERS-active spots. Outside of SERS-active spots, the effect of AgNPs is weaker and is expressed in deceleration of the M-form decay. Thus, the fundamental difference in the influence of AgNPs on the mutant BRh-D96N in comparison with wild-type BRh was found.
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Dates et versions

hal-03112317 , version 1 (16-01-2021)

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Konstantin Mochalov, Daria Solovyeva, Anton Chistyakov, Boris Zimka, Eugeni Lukashev, et al.. Raman and SERS Spectroscopy of D96N Mutant Bacteriorhodopsin. Materials Today: Proceedings, 2016, 3 (2), pp.497-501. ⟨10.1016/j.matpr.2016.01.080⟩. ⟨hal-03112317⟩

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