نتایج جستجو برای: light sensing
تعداد نتایج: 515421 فیلتر نتایج به سال:
Bacteriophytochromes (BphPs) are light-sensing regulatory proteins encoded by photosynthetic and nonphotosynthetic bacteria. This protein class has been characterized structurally, but its biological activities remain relatively unexplored. Two BphPs in the anoxygenic photosynthetic bacterium Rhodopseudomonas palustris, designated regulatory proteins RpBphP2 and RpBphP3, are configured as light...
The manipulation of genetically targeted neurons with light (optogenetics) continues to provide unprecedented avenues into studying the function of the mammalian brain. However, potential translation into the clinical arena faces a number of significant hurdles, foremost among them the need for insertion of optical fibers into the brain to deliver light to opsins expressed on neuronal membranes...
Living organisms detect changes in temperature using thermosensory molecules. However, these molecules and/or their mechanisms for sensing temperature differ among organisms. To identify thermosensory molecules in plants, we investigated chloroplast positioning in response to temperature changes and identified a blue-light photoreceptor, phototropin, that is an essential regulator of chloroplas...
One-dimensional (1D) semiconductor nanowires (NWs) have drawn considerable research attention over the past few decades because of their unique properties and potential applications in nanoelectronics, photonics, luminescent materials, lasing materials, and biological and medical sensing. [ 1–3 ] Impressive progress has been demonstrated in highly effi cient light sources (nanolasers), waveguid...
The measurement of circular dichroism (CD) has widely been exploited to distinguish the different enantiomers chiral structures. It applied natural materials (e.g., molecules) as well artificial nanophotonic structures). However, especially for molecules signal level is very low and increasing signal-to-noise ratio paramount importance either shorten necessary time or lower minimum detectable m...
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