Results 31 to 40 of about 30,370 (300)
Frontiers in Molecular Biosciences, 2021 Fundamental vibrations of the chromophore in the membrane protein bacteriorhodopsin (BR), a protonated Schiff base retinal, have been studied for decades, both by resonance Raman and by infrared (IR) difference spectroscopy.
Victor A. Lorenz-Fonfria +4 more
doaj +1 more source
Cation binding by bacteriorhodopsin [PDF]
Proceedings 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
A Review on Bacteriorhodopsin-Based Bioelectronic Devices
Italian National Conference on Sensors, 2018 Bacteriorhodopsin protein extracted from Halobacterium salinarum is widely used in many biohybrid electronic devices and forms a research subject known as bioelectronics, which merges biology with electronic technique. The specific molecule structure and
Yu-tao Li +8 more
semanticscholar +1 more source
Fusion of purple membranes triggered by immobilization on carbon nanomembranes
Beilstein 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
Angewandte Chemie, EarlyView.Current interest in artificial cell research underscores its potential to deepen our understanding of life's fundamental processes. This review highlights advances in bottom‐up coacervate‐based artificial cell engineering via combined integration of cellular hallmarks.
Arjan Hazegh Nikroo +3 more
wiley +2 more sources
X-ray structure analysis of bacteriorhodopsin at 1.3 Å resolution
Scientific Reports, 2018 Bacteriorhodopsin (bR) of Halobacterium salinarum is a membrane protein that acts as a light-driven proton pump. bR and its homologues have recently been utilized in optogenetics and other applications. Although the structures of those have been reported
N. Hasegawa +3 more
semanticscholar +1 more source
An Artificial Molecular Pump Powered by Light
Angewandte Chemie, EarlyView.A minimal rotaxane‐based supramolecular system functions as a light‐powered molecular pump, capturing macrocycles from solution and concentrating them within an intramolecular compartment. Repeated azobenzene photoisomerization modulates the binding and kinetic barriers of threading and shuttling, generating a photon‐driven energy ratchet that sustains
Federico Nicoli +7 more
wiley +2 more sources
Gels, 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
Atomistic Insight into the Role of Threonine 127 in the Functional Mechanism of Channelrhodopsin-2 [PDF]
, 2019 Channelrhodopsins (ChRs) belong to the unique class of light-gated ion channels. The structure of channelrhodopsin-2 from Chlamydomonas reinhardtii (CrChR2) has been resolved, but the mechanistic link between light-induced isomerization of the ...
Bamann, Christian +9 more
core +1 more source
A New Era for Using Natural Pigments: The Case of the C<sub>50</sub> Carotenoid Called Bacterioruberin. [PDF]
Biotechnol Appl BiochemABSTRACT Haloarchaea are extremophilic microorganisms belonging to the Archaea domain that require high salt concentrations to live, thus inhabiting ecosystems like salty ponds, salty marshes, or extremely salty lagoons. They are more abundant and widely distributed worldwide than initially expected.
Giani M +5 more
europepmc +2 more sources