Displaying 4 results of Dalbavancin Stable Isotopes Dalbavancin is a semi-synthetic lipoglycopeptide antibiotic used to treat gram-positive bacterial infections. Stable isotopes of dalbavancin are versions of the molecule that have been modified so that certain atoms have a different number of neutrons. These isotopes are useful in pharmacokinetic and drug metabolism studies, as well as in the development of new therapeutic agents.