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Tetrahydrobiopterin (BH 4, THB), also known as sapropterin (INN), [5] [6] is a cofactor of the three aromatic amino acid hydroxylase enzymes, [7] used in the degradation of amino acid phenylalanine and in the biosynthesis of the neurotransmitters serotonin (5-hydroxytryptamine, 5-HT), melatonin, dopamine, norepinephrine (noradrenaline), epinephrine (adrenaline), and is a cofactor for the ...
Bridgeville, California (population 25) was the first town to be sold on eBay in 2002, and has been up for sale three times since. [1] In January 2003, Thatch Cay, the last privately held and undeveloped U.S. Virgin Island, was listed for auction by Idealight International. The minimum bid was US$3 million and the sale closed January 16, 2003. [2]
Ball-and-stick model of the tetrahydroborate anion, [BH 4] −. Borohydride refers to the anion [B H 4] −, which is also called tetrahydridoborate, and its salts. [1] Borohydride or hydroborate is also the term used for compounds containing [BH 4−n X n] −, where n is an integer from 0 to 3, for example cyanoborohydride or cyanotrihydroborate [BH 3 (CN)] − and triethylborohydride or ...
On e-commerce platforms like Etsy, TikTok Shop, eBay and Redbubble, sellers are hawking merchandise featuring designs inspired by the fatal shooting of UnitedHealthcare CEO Brian Thompson.
TikTok and its Chinese owner ByteDance have turned to a veteran U.S. Supreme Court lawyer as they prepare to ask the justices to block a law that could ban the popular short video platform in the ...
Ousted Syrian President Bashar al-Assad’s departure from the country was unplanned, according to a statement posted Monday on the Syrian Presidency Telegram account, purporting to be from Assad.
A Peritoneovenous shunt: (also called Denver shunt) [2] is a shunt which drains peritoneal fluid from the peritoneum into veins, usually the internal jugular vein or the superior vena cava. It is sometimes used in patients with refractory ascites. It is a long tube with a non-return valve running subcutaneously from the peritoneum to the ...
The product, code-named J490, could be announced as early as March, the report said, adding that it will spotlight the new AI platform, Apple Intelligence. Apple did not immediately respond to a ...