Redox transitions in an electrolyte-free myoglobin fluid.
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.
School of Chemistry, Cantocks Close, University of Bristol , BS8 1TS, United Kingdom.
Kamendra P
KP
Sharma
Kieren
K
Bradley
Alex P S
AP
Brogan
Stephen
S
Mann
Adam W
AW
Perriman
David J
DJ
Fermin
D004573:Electrolytes / Q000737:chemistry*; D009211:Myoglobin / Q000737:chemistry*; D010084:Oxidation-Reduction; D012212:Rheology; D013696:Temperature
D004573:Electrolytes; D009211:Myoglobin