Results 31 to 40 of about 9,873 (221)

Analyses and proofs of multiexponential process of bacteriorhodopsin photoelectric response [PDF]

open access: yes, 2001
A bacteriorhodopsin (bR)-based photodetector is prepared with the structure of stainless steel slide/bR film/aqueous electrolyte gel/copper electrode. The photoelectric response signal to a 10 ns laser pulse is measured.
Yao, BL   +9 more
core   +1 more source

Fusion of purple membranes triggered by immobilization on carbon nanomembranes

open access: yesBeilstein Journal of Nanotechnology, 2021
A freestanding ultrathin hybrid membrane was synthesized comprising two functional layers, that is, first, a carbon nanomembrane (CNM) produced by electron irradiation-induced cross-linking of a self-assembled monolayer (SAM) of 4′-nitro-1,1′-biphenyl-4 ...
René Riedel   +7 more
doaj   +1 more source

Non-Electroneutrality Generated by Bacteriorhodopsin-Incorporated Membranes Enhances the Conductivity of a Gelatin Memory Device

open access: yesGels, 2023
We have previously demonstrated the potential of gelatin films as a memory device, offering a novel approach for writing, reading, and erasing through the manipulation of gelatin structure and bound water content. Here, we discovered that incorporating a
U-Ting Chiu   +4 more
doaj   +1 more source

Photochemistry of monomethylated and permethylated bacteriorhodopsin [PDF]

open access: yes, 1988
Methylation of the nonactive site lysines of bacteriorhodopsin to form permethylated bacteriorhodopsin does not interfere with the formation of the short wavelength intermediate M412 or light-induced proton release/uptake.
Rando, R.R.   +4 more
core   +1 more source

Photoreaction of bacteriorhodopsin at various pH levels [PDF]

open access: yes, 2022
The attached excel file "BR-photoreaction-at-various-pHs-in-0MKCl.xlsx" contains raw data of flash-induced absorption changes of bacteriorhodopsin at various pH levels in low-salt membrane suspensions (~ 4 mM pH buffers).
Kouyama, T (via Mendeley Data)
core   +1 more source

Probing a polar cluster in the retinal binding pocket of bacteriorhodopsin by a chemical design approach. [PDF]

open access: yesPLoS ONE, 2012
Bacteriorhodopsin has a polar cluster of amino acids surrounding the retinal molecule, which is responsible for light harvesting to fuel proton pumping.
Rosana Simón-Vázquez   +7 more
doaj   +1 more source

Cation binding by bacteriorhodopsin [PDF]

open access: yesProceedings of the National Academy of Sciences, 1985
We have found that extensively washed purple membrane has about 1 calcium and 3-4 magnesium ions bound per bacteriorhodopsin molecule. When these divalent cations are removed by any of a variety of means, the pigment changes its color from purple to blue (λ max ≈ 600 nm).
C H, Chang   +3 more
openaire   +2 more sources

Absorption characteristics of bacteriorhodopsin molecules [PDF]

open access: yes, 2000
The bacteriorhodopsin molecule absorbs light and undergoes a series of structural transformation following a well-defined photocycle. The complex photocycle is transformed to an equivalent level diagram by considering the lifetime of the intermediate ...
Gowda, K.A., Kumar, H.K.T.
core   +1 more source

Maximum Entropy Production Theorem for Transitions between Enzyme Functional States and Its Applications

open access: yesEntropy, 2019
Transitions between enzyme functional states are often connected to conformational changes involving electron or proton transport and directional movements of a group of atoms.
Davor Juretić   +2 more
doaj   +1 more source

Picosecond events in the photochemical cycle of the light-driven chloride-pump halorhodopsin [PDF]

open access: yes, 1985
The early events in halorhodopsin after light excitation are studied with picosecond time resolution. Absorption and fluorescence measurements show that the electronically excited state of the incorporated retinal has a lifetime of 5 ps. Within that time
Hegemann, P.   +10 more
core   +1 more source

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