Ab initio modeling of CW-ESR spectra of the double spin labeled peptide Fmoc-[(Aib-Aib-TOAC).sub.2]-Aib-OMe in acetonitrile

Article Abstract:

An ab initio integrated computational approach is applied to evaluate the interpretation of the continuous wave electron spin resonance (CW-ESR) spectra of the double-spin labeled, [3.sub.10]-helical, peptide Fmoc-[(Aib-Aib-TOAC).sub.2]-Aib-OMe dissolved in acetonitrile. It is suggested that combination of sensitive ESR spectroscopy and sophisticated modeling can provide three-dimensional (3D) structural and dynamic information on molecular systems.

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Time-resolved electron paramagnetic resonance of photoinduced ion pairs in blends of polythiophene and fullerene derivatives

Article Abstract:

Time-resolved electron paramagnetic resonance (TR-EPR) at different temperatures is used to examine the substituted polythiophene and triethylenglycolpyrrolidino-C(sub 60) blends. It is found that when the temperature is increased, the spectra gradually loose their antiphase character and eventually consist of a signal totally in emission.

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Time resolved EPR of excited triplet C60 aligned in nematic liquid crystals

Article Abstract:

Two narrow EPR lines are shown by triplet C60 in nematic phase of liquid-crystal E7. Time decay of TR-EPR signal is described by a kinetic model.

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