Preliminary noteIn situ STM and AFM of the copper protein Pseudomonas aeruginosa azurin
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Cited by (73)
Electrochemistry of complex molecular and biomolecular scale entities
2021, Current Opinion in ElectrochemistryElectrochemistry of single molecules and biomolecules, molecular scale nanostructures, and low-dimensional systems
2018, Current Opinion in ElectrochemistryHigh-resolution electrochemical STM of redox metalloproteins
2017, Current Opinion in ElectrochemistryCitation Excerpt :Although proteins which are not redox active can be examined with STM [30], there has been extensive use of EC-STM for gating studies of metalloproteins. Early seminal experiments on the blue single-copper redox active protein azurin [31–33] demonstrated electrochemical gating at the single-molecule level. Much work has since centred on this protein, which is robust and can attach to Au surfaces through cysteine residues.
Nanoscale charge transfer in redox proteins and DNA: Towards biomolecular electronics
2014, Electrochimica ActaCitation Excerpt :To this end, the tip area exposed to the solution has to be minimized. [50] Due to its high current resolution and sub-nanometric positioning, ECSTM is a unique tool for the study of biomolecules because it allows (1) keeping the sample in aqueous buffers similar to their physiological conditions, (2) full electrochemical control of probe and sample and (3) single molecule resolution. [11,14,16,26,30,32,51,52] ECSTM is an extremely useful technique for the study of single redox molecules.
Molecular scale bioelectrochemistry
2011, Coordination Chemistry ReviewsCitation Excerpt :These effects have been observed with biological, as well as redox active organic moieties and inorganic complexes, despite the fact that most biomacromolecules are both formally electrically insulating and have redox active prosthetic groups which are commonly buried [115]. By the way of example, others and we have, in recent years, reported the tunnel conductance of a range of metalloproteins and enzymes [53,114,115,117,125–127]. With several of these molecular systems, it is demonstrably possible to tune the incident tunnelling energies in and out of resonance with the redox site and, in so doing, gate molecular conductance [52,57,128].