High Throughput Mapping of Single Molecules’ Redox Potentials on Electrode | Zendy

Chenghong Lei | Zendy; Dehong Hu | Zendy

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High Throughput Mapping of Single Molecules’ Redox Potentials on Electrode

Author(s) -

Chenghong Lei,

Dehong Hu

Publication year - 2021

Publication title -

analytical chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.117

H-Index - 332

eISSN - 1520-6882

pISSN - 0003-2700

DOI - 10.1021/acs.analchem.1c00984

Subject(s) - chemistry , redox , synchronizing , fluorescence , molecule , electrode , electrochemistry , single molecule experiment , throughput , microscope , resolution (logic) , fluorescence microscope , ultramicroelectrode , microscopy , nanotechnology , analytical chemistry (journal) , cyclic voltammetry , inorganic chemistry , materials science , organic chemistry , optics , computer science , telecommunications , wireless , mathematics , artificial intelligence , topology (electrical circuits) , physics , combinatorics

By synchronizing electrochemical potential scanning with a single-molecule localization super-resolution fluorescence microscope, kinetic fluorescence changes of hundreds of single molecular redox events were tracked simultaneously with high throughput, and subsequent cross-correlation function analysis mapped single molecules' redox potentials (times) out on the imaging area from site to site in unprecedented detail by extracting electrochemically induced fluorescence change from apparently random fluorescence on/off blinking. This work paves the way toward mapping redox states at single-molecule levels in high throughput in chemical and biological systems.

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