5‐hydroxytryptamine
A Dictionary of Food and Nutrition
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2005
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© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. (Hide copyright information)
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5‐hydroxytryptamine (5HT) Also called serotonin. A neurotransmitter amine synthesized from the
amino acid tryptophan, also formed in blood platelets; it acts as a vasoconstrictor. Found in
plantains and some other foods, but metabolized in the intestinal mucosa.
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South Korean Inventors Develop Bolometer Compensation Circuit
News Wire article from: US Fed News Service, Including US State News; 3/14/2008; 561 words
; ...South Korea, have developed a bolometer. According to the U.S...present invention relates to a bolometer, and more specifically to...operating temperature between bolometers which exist in bolometer array using semiconductor...
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Japanese Inventor Develops Bolometer Infrared Detecting Element
News Wire article from: US Fed News Service, Including US State News; 10/7/2007; 533 words
; ...Naoki Oda of Tokyo has developed a bolometer infrared detector. An abstract of the...amp; Trademark Office, said: "A bolometer infrared detecting element has a thermal...which a temperature detector comprising a bolometer thin film is held floating from a circuit...
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MOEMS bolometer may provide cost-effective optical gas sensing. (Infrared Spectroscopy).
Magazine article from: Laser Focus World; 12/1/2001; ; 700+ words
; ...essentially consists of a bolometer based on a finely tuned infrared...cavity that acts as its own bolometer (see figure). The efficiency...response of traditional metal bolometers) enhances the sensitivity...develop the gas-sensing bolometer concept based on a metal surface...
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South Korean Inventors Develop Infrared Bolometer
News Wire article from: US Fed News Service, Including US State News; 12/8/2006; 571 words
; ...South Korea, have developed an infrared bolometer for sensing infrared heat. According...present invention discloses an infrared bolometer including a signal bridge used for reading...a heat absorbing layer. The infrared bolometer includes a lower substrate having an...
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California Inventor Develops Infrared Imager Bolometer
News Wire article from: US Fed News Service, Including US State News; 10/29/2008; 404 words
; ...North Tustin, Calif., has developed a bolometer for using in infrared imager. According...Patent & Trademark Office: "A bolometer is provided for use in an infrared imager. The bolometer comprises a substrate and a titanium oxide...
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Maryland Inventors Develop Bolometer Type Focal Plane with Radiation Sensor
News Wire article from: US Fed News Service, Including US State News; 5/22/2008; 478 words
; ...Park, Md., and Robert Shiskowski of Sykesville, Md., have developed a bolometer type sensor. According to the U.S. Patent & Trademark Office: "A bolometer type focal plane is made up of a plurality of silicon sensors. Within each...
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Far-infrared quantum detector bests bolometers. (news breaks).
Magazine article from: Laser Focus World; 5/1/2002; 440 words
; ...W, a figure 1000 times larger than commercially available bolometers. The device's detectivity reaches 4 x [10.sup.13...performance, or an order of magnitude higher than commercial bolometers. The detector has a geometry with a 167-mm length and a...
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Patent No. 7,557,349 Issued on July 7, Assigned to NEC, University of Tokyo, National Institute of Information and Communications Technology for Bolometer-Type THz-Wave Detector (Japanese Inventors)
News Wire article from: US Fed News Service, Including US State News; 7/10/2009; 367 words
; ...Komiyama and Iwao Hosako, all from Tokyo, have developed a bolometer-type THz-wave detector. The inventors were issued U...wave) in a THz-frequency band and more particularly to a bolometer-type THz-wave detector." The original application was...
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Maryland Inventors Develop Bolometer Type Radiation Sensor
News Wire article from: US Fed News Service, Including US State News; 6/10/2008; 462 words
; ...have developed a ultra-sensitive silicon sensor pixel. According to the U.S. Patent & Trademark Office: "A bolometer type ultra-sensitive silicon sensor pixel of a multi-pixel sensor wherein each pixel includes a detector stage, an intermediate...
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Plasmon grating-gate devices have potential as tunable terahertz detectors: plasmon-based grating-gate detectors based on hot-electron bolometer mixers are being explored as tunable detectors of terahertz radiation--the next big thing in security applications.(NEXT-GENERATION DETECTORS)
Magazine article from: Laser Focus World; 1/1/2008; ; 700+ words
; ...Enhanced sensitivity results from biasing this central gate differently than the other gate lines, essentially creating a bolometer (temperature-dependent element) in the FET channel. Grating-gate detectors are polarization dependent and only exhibit...
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bolometer
Book article from: The Columbia Encyclopedia, Sixth Edition
bolometer , instrument for detecting and measuring radiation , e.g., visible...ultraviolet radiation , in amounts as small as one millionth of an erg . The bolometer was invented in 1880 by Samuel P. Langley. Basically it consists of...
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Rubens, Heinrich (Henri Leopold)
Dictionary entry from: Complete Dictionary of Scientific Biography
...Rubens then repeated the experiment with a bolometer dynamometer that they had constructed...suggestion of Hertz, Rubens also used the bolometer to investigate standing electric waves...teacher Henri Du Bois, using both the bolometer and fine metal gratings to show the reversal...
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Lummer, Otto Richard
Dictionary entry from: Complete Dictionary of Scientific Biography
...the light sources that were being compared. The existing bolometer was not exact enough for Lu miner ’ s needs. In 1892, with F. Kurlbaum, he constructed a surface bolometer, which superseded all the previous types. Lummer thus...
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Radiation
Book article from: -Ologies and -Isms
342. Radiation See also 316. PHYSICS . actinotherapy radiotherapy. bolograph the record produced by a bolometer. bolometer a device used in bolometry. bolometry the measurement of minute amounts of radiant energy, especially infrared...
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bolometric magnitude
Book article from: A Dictionary of Astronomy
...wavelengths in the absence of the Earth's atmosphere. The name arises because bolometers are sensitive to radiation of all wavelengths. In practice, the bolometer is the best detector only for wavelengths longer than 6 μ...
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