نتایج جستجو برای: blue shift
تعداد نتایج: 205475 فیلتر نتایج به سال:
We report an ultra-low voltage (<5V) two-domain blue phase liquid crystal display (BPLCD) for mobile applications. Compared to fringe field switching, our BPLCD shows superior performance in response time, integrated transmittance, viewing angle, and color shift. It also enables color sequential display with tripled optical efficiency and resolution density. Author
SiOC films prepared by the capacitively coupled plasma chemical vapor deposition were analyzed by Fourier Transform Infrared spectroscopy, nanoindentation, capacitance and Xray diffraction patterns to observe the crystallinity and chemical shift of SiOC. The capacitance decreased after annealing process, and the dielectric constant was also decreased by annealing due to the reduction of polariz...
x10 Figure 1 Sagittal slices of a phantom (1 row) and sagittal and axial slices of two subjects (2 and3 row) representing the: (a) frequency shift maps, Δω, as measured from the multiple echo before oxygen modulation; (b) frequency shift map attributed to oxygen, Δωoxy (difference between Δω at minimum and maximum oxygen concentration, multiplied by 10 facilitate visualization); (c) frequency s...
Changes of light intensity of different colors can shift many physiological parameters and conditions like melatonin, alertness, body temperature, heart rate (HR), and heart rate variability (HRV). The aim of this pilot study was to investigate acute temperature, HR, HRV, and state of mind reactivities after illumination with red (631 nm) and blue (456 nm) light (illuminance 140 lux for both). ...
A sensing method based on resonance localized surface plasmon spectroscopy was developed for low molecular weight substrate and inhibitor molecules binding to heme proteins. Cytochrome P450 proteins have Soret and Q absorption bands in the visible wavelength region. The coupling between the molecular resonance of P450 and the localized surface plasmon resonance (LSPR) of functionalized silver n...
We model recent experimental wavelength dependent Three Pulse Photon Echo Peak Shift ͑WD-3PEPS͒ and Transient Grating ͑WD-TG͒ signals considering both solvation dynamics and vibrational contributions. We present numerical simulations of WD-3PEPS and WD-TG signals of two probe molecules: Nile Blue and
Nanowires of a pyridyl-functionalized iridium complex are transformed into microcubes as a result of hydrogen-bond-assisted second-sphere coordination between pyridyl groups and monovalent anions of 1,3,5-benzenetricarboxylic acid (H2BTC(-)). This is accompanied by a blue-shift of the phosphorescence from 662 to 638 nm.
The mechanochromic compound 1 forms green-emitting crystals (1g) and blue-emitting crystals (1b) that exhibit two intriguing responses to mechanical stimulation. Upon mechanical stimulation, the emission color of 1g does not change but its crystalline structure does. Conversely, 1b shows a clear emission shift, but it retains its molecular arrangement upon grinding.
An ultrathin (few nanometer) polymer spacer layer is softened by local optical heating and restructured by strong capillary forces, which increase the gap between the plasmonic metal components. This results in a continuous blue-shift of the coupled plasmon from near infrared to visible with a tuning range of >150 nm that can be tightly controlled by adjusting either irradiation time or power.
A novel ratiometric fluorescent probe for oxalic acid was designed and synthesized, based on the zinc-containing [DAQZ@2Zn(2+)] complex. It shows highly selective "on-off" fluorescence changes with a more than 20 nm blue shift in wavelength for oxalic acids in aqueous solution. Moreover, it can fluorescently respond to oxalic acid in living cells.
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