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Redox Transitions in an Electrolyte-Free Myoglobin Fluid

DOI: 10.1021/ja4104606 DOI Help

Authors: Kamendra Sharma (University of Bristol) , Kieren Bradley (University of Bristol) , Alex P. S. Brogan (University of Bristol) , Stephen Mann (University of Bristol) , Adam W. Perriman (University of Bristol) , David J. Fermin (University of Bristol)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of The American Chemical Society , VOL 135 (49) , PAGES 18311 - 18314

State: Published (Approved)
Published: December 2013
Diamond Proposal Number(s): 8467 , 9361 , 7504 , 7828

Abstract: Redox responses associated with the heme prosthetic group in a myoglobin-polymer surfactant solvent-free liquid are investigated for the first time in the absence of an electrolyte solution. Cyclic voltammograms from the biofluid exhibit responses that are consistent with planar diffusion of mobile charges in the melt. Temperature-dependent dynamic electrochemical and rheological responses are rationalized in terms of the effective electron hopping rate between heme centers and the transport of intrinsic ionic species in the viscous protein liquid.

Journal Keywords: Myoglobin; Redox; Films; Solvent-Free

Subject Areas: Biology and Bio-materials, Chemistry, Medicine


Instruments: B21-High Throughput SAXS , B23-Circular Dichroism

Added On: 17/07/2014 16:08

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