Results 81 to 90 of about 29,478 (285)
Chromophore equilibria in bacteriorhodopsin
An investigation of the dark equilibria between different chromophores of bacteriorhodopsin (BR) and studies of the kinetics of their interconversion and photochemical activity have led to the following conclusions. (a) A component of the 605-nm chromophore of BR decays in the millisecond range and is likely to be identical to the intermediate O of the
Fischer, U., Oesterhelt, D.
openaire +2 more sources
Stimuli‐Responsive Chemical Systems That Mimic Biological Dynamics
Chemists are designing synthetic systems that mimic life's dynamic behaviors, such as motion, sensing, adaptation, and compartmentalization, by integrating reaction networks with stimuli like light, pH, and chemical fuels. This mini‐review surveys molecular machines, responsive materials, nucleic acid networks, and artificial cells, highlighting how ...
Antonio Aguanell +3 more
wiley +1 more source
Light Color‐Controlled pH‐Adjustment of Aqueous Solutions Using Engineered Proteoliposomes
Controlling the pH at the microliter scale can be useful for applications in research, medicine, and industry, and therefore represents a valuable application for synthetic biology and microfluidics.
Daniel Harder +4 more
doaj +1 more source
The increasing interest in photoactivated proteins as natural replacement of standard inorganic materials in photocells drives to the compared analysis of bacteriorhodopsin and proteorhodopsin, two widely diffused proteins belonging to the family of ...
Alfinito, E +3 more
core +1 more source
Interferometry of hyper-Rayleigh scattering by inhomogeneous thin films [PDF]
The use of specific symmetry properties of the optical second-harmonic generation (the s,s-exclusion rule) has allowed us to observe high-contrast hyper-Rayleigh interference patterns in a completely diffuse light - an effect having no analog in case of ...
A. A. Fedyanin +12 more
core +2 more sources
A Janus‐engineered nanoplatform (J‐pHLIP‐PD1), featuring separate tumor‐ and immune‐targeting faces, bridges melanoma cells and cytotoxic T lymphocytes using toposelective pHLIP and anti‐PD‐1 presentation. This strategy elicits robust antitumor responses, promotes immunogenic tumor cell death, suppresses lung metastasis in vivo, and provides a modular,
Alba Ortuño‐Bernal +9 more
wiley +1 more source
This paper reports on the integration of an optical protein with single electron transistors to form a nano-bio-hybrid device for sensing. Bacteriorhodopsin (bR) is an optoelectric protein that translocates a proton across a distance of several ...
Karl A. Walczak +2 more
doaj +1 more source
Ion Transport of Biohybrid Asymmetric Membranes by pH and Light‐Cooperative Modulation
Bacteriorhodopsin (bR) is an excellent light‐driven proton pump and plays a vital role in chemical and biological analytical processes, such as maintaining osmotic balance, intracellular acidity, and participating in photosynthesis.
Yujia Lv +3 more
doaj +1 more source
Cryo-EM structures of the channelrhodopsin ChRmine in lipid nanodiscs
ChRmine is a bacteriorhodopsin-like cation channelrhodopsin (BCCR). Here, the authors present cryo-EM structures of ChRmine in apo- and retinal-bound forms to provide insight into channel activity in a BCCR and facilitate engineering of ChRmine-based ...
Kyle Tucker +3 more
doaj +1 more source
We have explored the use of optical oxygen electrodes to study oxygenic photosynthesis and heterotrophic activities in crystallizer brines of the salterns in Eilat, Israel.
Aharon Oren
doaj +1 more source

