Vitamin B12 (cobalamin) refers to a group of chemically-related cobalt containing molecules involved in cell processes such as DNA synthesis, fatty acid synthesis, energy production and regulation. The physiologically active forms of vitamin B12 include methylcobalamin and adenosylcobalamin,…

Undecane is a liquid alkane hydrocarbon. Undecane may be used as an internal standard in gas chromatography when working with other hydrocarbons. Since the boiling point of undecane (196°C) is well known, it may be used as a comparison for retention times in a gas chromatograph for molecules…

Sodium Diatrizoate has been shown to cause partial redistribution of tight-junction-associated membrane proteins into a cytoplasmic compartment in cultured monolayer MDCK cells. Sodium diatrizoate is used as a density gradient reagent in blood cell separation. It has also been utilized as a…

Glycerol triacetate is used as a food additive and as a solvent in flavorings. It acts as an excipient in pharmaceutical products where it is used as a humectant and a plasticizer. It is also used as a fuel additive, as an antiknock agent, adhesives and sealant chemicals, fillers, intermediates and…

Isodesmosine is prepared according to the method of Starcher, et al. from hdrolyzed bovine neck ligament by solvent extraction and chromatography on Dowex 50.

Cholesteryl linoleate was cosonicated with cholesterol to prepare dispersions were prepared to study the cholesterol to phospholipid ratio in red blood cell membrane.It was used as HPLC standard in the analysis of rat liver lipoproteins. The most abundant cholesteryl ester in low density…

Desmosine is a tetrafunctional, pyridinium ring-containing amino acids involved in elastin cross-linking. A desmosine cross-link is formed from three allysyl side chains plus one unaltered lysyl side chain from the same or neighbouring polypeptides. Desmosine is responsible for the cross-linking…