Rapid-scan time-resolved FT-IR spectroelectrochemistry studies on the electrochemical redox process

Article Abstract:

A study employs the rapid scan time-resolved Fourier Transform Infrared (FT-IR) spectroscopy to analyze and demonstrate the electron-transfer mechanism in various molecules undergoing electrochemical redox processes. The analysis of the electron transfer of 1,4-benzoquinone and 1,4-bis(2-ferrocenylvinyl)benzene shows that both the compounds show two-electron transfer in the process, though the electron-communication between the two Fc groups are weak.

Petrochemical Manufacturing, Benzene, Oxidation-reduction reaction, Oxidation-reduction reactions, Quinone, Quinones, Fourier transform infrared spectroscopy, Chemical properties, Report

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Spontaneous correlation of crystallographic orientations in crystallite aggregation: physical origin and its influence on pattern formation

Article Abstract:

An in-depth study of the origin of the long-range correlation of the crystallographic orientations in the aggregate investigated by means of micro-X-ray-diffraction, atomic force microscopy, and in-situ optical observation, is reported. It reveals that the topographic regularity of the aggregate arises from the consecutive rotation of the crystallographic orientation in the nucleation-mediated growth.

Anisotropy, Crystallography, Chemistry, Physical and theoretical, Physical chemistry, Atomic force microscopy

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Structural and pathway complexity of [beta]-strand reorganization within aggregates of human transthyretin(105-115) peptide

Article Abstract:

A study was conducted to investigate the interstrand rearrangements of human transthyretin peptide (TTR(105-115)) within dimeric aggregates by means of molecular dynamics with implicit solvation model. The results have showed different kinds of reptation motions, including those through a [beta]-bulge, side-chain aided reptation, and flipping or rotation of a hairpin formed by one strand.

Peptides, Molecular structure, Molecular dynamics, Peptide synthesis

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