Automated Determination of Ammonium at Nanomolar Levels in Seawater by Coupling Lab-in-Syringe with Highly Sensitive Light-Emitting-Diode-Induced Fluorescence Detection. [PDF]
MoleculesGuo X +5 more
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Analysis of tear fluid protein fractions using surface-enhanced Raman spectroscopy (SERS), followed by a high-performance liquid chromatography-light emitting diode-induced fluorescence (HPLC-LED-IF) method. [PDF]
RSC AdvAdigal SS +5 more
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Tunable Ag Nanocavity Enhanced Green Electroluminescence from SiNx:O Light-Emitting Diode. [PDF]
Nanomaterials (Basel)Zuo Z +7 more
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The 40-Hz White Light Emitting Diode to Alleviate Psychiatric Symptoms Induced by Streptozotocin In Vivo. [PDF]
Basic Clin NeurosciSoleimani E +4 more
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Temporally delayed, dual-pulse, dual-wavelength photoacoustic imaging (TD-DP-DW-PAI): advancing capabilities of a commercial light-emitting diode-based photoacoustic imaging system with a pulsed laser diode. [PDF]
Biomed Opt ExpressPeriyasamy V, Das A, Pramanik M.
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ZnMgSeTe Light Emitting Diodes
Materials Science Forum, 1994The MBE growth of light emitting diodes based on junctions between n-ZnMgSe and p-ZnMgSeTe is reported. For optimized compositions of the n- and p-layer, doping levels as high as n=p=2×1018 cm−3 were obtained. The p contacts of these diodes are ohmic, and the voltage needed to achieve a given current density is comparable to that of the best ZnSe based
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The objective of this thesis was to investigate the impact of LED versus fluorescent (FL) lighting on morphological, physiological and phytochemical characteristics of pomegranate (Punica granatum L.) after six weeks pre-cultivation in growth chambers. Five light-emitting diodes (LED) treatments i.e.
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Lighting technology is continuously improving for greater comfort, higher power efficiency and due to concerns about health and environment issues. The evolution of lighting technology through conversion of electricity into light led to the revolution in Light Emitting Diodes (LEDs).
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The light emitting diode (i. e. d. ) is widely used as indicator lamp, and in displays. The output covers a narrow spectral band which is defined by the material and dopants used. At present red, orange, yellow and green emitting devices are commercially available. The l. e. d. has many of the expected attributes of semiconductor devices including long
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The 2014 Nobel Prize in Physics was awarded “for the invention of efficient blue light-emitting diodes (LEDs) which has enabled bright and energy-saving white light sources” [1, 2, 3], setting a clear target to mankind: energy-efficient and environmental-friendly light sources [4]. The first organic LED (OLED) was reported in 1987 by a team at Kodak [5]
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