𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A blue shift of protonated retinal schiff base. A model study for bacteriorhodopsin

✍ Scribed by Mordechai Sheves; Timor Baasov


Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
191 KB
Volume
24
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


A blue shift was observed in the absorption maxima of protonated retinal Schiff base. The shift is due to electrostatic interaction of a non-conjugated positive charge, located in the vicinity of the ionone moiety, with the polyene chromophore.


πŸ“œ SIMILAR VOLUMES


Interactions between protonated retinal
✍ Rodolfo Ghirlando; Elisha Berman; Timor Baasov; Mordechai Sheves πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 397 KB

Using two-dimensional NMR spectroscopy, the spatial location of various carboxylate anions relative to the polyene chain of the protonated Schiff base of all-trans-retinal was determined. The observed intermolecular NOE cross-peaks between a proton on the counter ion and a proton near the nitrogen a

Excited-State Properties and Environment
✍ AdΓ©lia J. A. Aquino; Mario Barbatti; Hans Lischka πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 208 KB

## Abstract Complete active space self‐consistent field (CASSCF), multireference configuration interaction (MRCI), density functional theory (DFT), time dependent DFT (TDDFT) and the singles and doubles coupled‐cluster (CC2) methodologies have been used to study the ground state and excited states

Interconversion pathways of the protonat
✍ Frank Terstegen; Emily A. Carter; Volker Buss πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 182 KB πŸ‘ 1 views

Ab initio molecular dynamics at the RHFr3-21G level have been ## Ž . performed to study interconversion pathways bond rotation and ring inversion of the protonated ␀-ionone Schiff base. Starting with different stationary points on the Born᎐Oppenheimer potential energy surface, the trajectories ar