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Taurine is synthesized naturally in the human liver from methionine and cysteine. [5] Taurine is commonly sold as a dietary supplement, but there is no good clinical evidence that taurine supplements provide any benefit to human health. [6] Taurine is used as a food additive for cats (who require it as an essential nutrient), dogs, and poultry. [7]
The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's Almagest, [1] a treatise on mathematical astronomy. It is essentially equivalent to a table of values of the sine function.
N-Acetyltaurine is a direct alcohol biomarker which represents the oxidative pathway of ethanol metabolism. Other direct alcohol biomarkers such as fatty acid ethyl esters (FAEE), ethyl glucuronide, ethyl sulfate, and phosphatidylethanol reflect the non-oxidative pathway of alcohol metabolism, based on conjunction reactions (biotransformation).
UDCA and its taurine conjugates comprise about 47% of the bile in American black bears and up to 76% in Asiatic bears. [1] [3] Ursodeoxycholic acid and tauroursodeoxycholic acid were first chemically synthesized in 1954 in Japan. [1] Ursodeoxycholic acid is produced in several countries for the treatment of gallstones and primary biliary ...
Ultimate Guitar (Ultimate Guitar USA LLC), also known as Ultimate-Guitar.com or simply UG, is an online platform for guitarists and musicians, started on October 9, 1998 by Eugeny Naidenov [1] and based in San Francisco, US.
The synthesis of N-methyltaurine was reported as early as 1878, [4] with methylamine being reacted with the silver salt of 2-chloroethanesulfonic acid. An obvious modification for this reaction is the replacement of the silver salt of 2-chloroethanesulfonic acid by the sodium salt of 2-chloroethanesulfonic acid. [5]
There are four systems in use: the heliocentric inertial (HCI) system, the heliocentric Aries ecliptic (HAE) system, the heliocentric Earth ecliptic (HEE) system, and the heliocentric Earth equatorial (HEEQ) system. They are summarized in the following table. The third axis not presented in the table completes a right-handed Cartesian triad.
In enzymology, a taurine-2-oxoglutarate transaminase (EC 2.6.1.55) is an enzyme that catalyzes the chemical reaction. taurine + 2-oxoglutarate sulfoacetaldehyde + L-glutamate. Thus, the two substrates of this enzyme are taurine and 2-oxoglutarate, whereas its two products are sulfoacetaldehyde and L-glutamate.