Essential amino acids are organic compounds that your body needs to ... Tryptophan is necessary for the production of serotonin, a chemical that acts as a neurotransmitter in your body.

In 1912, Funk managed to isolate a chemical that he thought was responsible and found it contained a characteristic nitrogen ...

Although the first chemical synthesis of racemic palau'amine has been achieved (in 25 ... Certainly, the ability to access these compounds and, in particular, design derivatives in optically ...

Now the synthetic “knockout” of a carboxylic acid in amphotericin B, generated in an exacting ten-step chemical sequence ... at C41 and the primary amine at C3′. They replaced the C41 ...