Conducting polymers as antennas for probing biophysical activities

Article Abstract:

A study was conducted to explore the implications of strong coupling between the photophysical processes in bacteriorhodopsin (bR) and electrical processes in the conducting polymer layer. The conducting polymers which serve as soft electrode substrates for anchoring and orientating functional membrane protein might find application in light-driven proton pump.

Analysis, Electric properties, Optical properties, Dipole moments, Conducting polymers

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Single-walled carbon nanotube binding peptides: probing tryptophan's importance by unnatural amino acid substitution

Article Abstract:

The analysis of newly identified single-walled carbon nanotube (SWNT)-binding peptide, UW-1 with XTHXXPWTX motif, where X is any amino acid is presented. The results provide insight into the significant role of tryptophan residues in the molecular interaction of a phage-displayed peptide with SWNTs.

Protein research, Properties, Nanotubes, Hydrophobic effect

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[super 1]H and [super 13]C hyperfine coupling constants of the tryptophanyl cation radical in aqueous solution from microsecond time-resolved CIDNP

Article Abstract:

The relative values of the isotropic [super 1]H and [super 13]C hyperfine coupling constants of the cationic tryptophan radical in water are reported. The experimental and theoretical observation showed C3 to have the largest hyperfine coupling of all the carbons in TrpH* ion.

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