Synthetic phylloquinone was resolved into cis and trans isomers by thin-layer chromatography. The two isomers had identical ultraviolet spectra characteristic of vitamin K$_{1}$ and were ...

Identifying phosphorylation sites in culprit proteins and figuring out if they matter for disease progression are no small feats. The situation gets murkier still when certain sites adopt cis or trans ...

Both oleic acid and elaidic acid are 18-carbon fatty acids with a single double bond. However, oleic acid has a cis double bond (hydrogen atoms are on the same side of the bond), which causes a bend ...