Phospholuminescence
WebDuring the exposure, the phosphor layer stores the absorbed X-ray energy and emits upon read-out with a visible-light laser a phospholuminescence. The emitted intensity is proportional to the absorbed X-ray intensity at each point on the image plate (typical pixel sizes are 75–150 microns). http://www.atopicderm.org/research/diagnostics/adx/labs/mycobacteriology/tests/molecular-rapid-methods.aspx
Phospholuminescence
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WebThese fatty acids are derivitized for detection by phospholuminescence. Each sample is run through a C-18 column on a HPLC instrument and the resulting chromatogram is examined. HPLC chromatograms for M. tuberculosis complex are distinct and conserved, making it an invaluable tool in the clinical identification of TB in culture. ... WebThe photoluminescent emission of graphene quantum dots can be extensively changed from the deep ultraviolet region to the near infrared region by regulating the shape, size, defects, hybridization...
WebJan 15, 2024 · Figure 5d shows the phospholuminescence map for the X – emission measured at ΔV g > 0 V, where an anti-confinement potential is created (Fig. 5e), resulting in delocalization of negatively ... WebPhospholuminescence: This results from components of the sample, including the vial itself, absorbing light and re-emitting it. Unlike, chemiluminescence, which is a once-only effect, …
WebJul 20, 2005 · In addition to its fundamental significance, a good understanding of the luminescent excited state nature is essential for designing new materials with improved properties for applications such as optoelectronic. WebNational Center for Biotechnology Information
Phosphorescence is a type of photoluminescence related to fluorescence. When exposed to light (radiation) of a shorter wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength. Unlike fluorescence, a phosphorescent material does not immediately … See more The term phosphorescence comes from the ancient Greek word φῶς (phos), meaning "light", and the Greek suffix -φόρος (-phoros), meaning "to bear", combined with the Latin suffix -escentem, meaning "becoming … See more Most photoluminescent events, in which a chemical substrate absorbs and then re-emits a photon of light, are fast, in the order of 10 nanoseconds. Light is absorbed and emitted at these fast time scales in cases where the energy of the photons involved matches the … See more Some examples of glow-in-the-dark materials do not glow by phosphorescence. For example, glow sticks glow … See more In 1974 Becky Schroeder was given a US patent for her invention of the "Glow Sheet" which used phosphorescent lines under writing paper to help … See more In simple terms, phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light. This is in some cases the mechanism used for glow-in-the-dark materials which are "charged" by exposure to light. Unlike the … See more Solid materials typically come in two main types: crystalline and amorphous. In either case, a lattice or network of atoms and molecules form. In crystals, the lattice is a very neat, uniform … See more Common pigments used in phosphorescent materials include zinc sulfide and strontium aluminate. Use of zinc sulfide for safety related products dates back to the 1930s. The development of strontium aluminate pigments in 1993 … See more
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