Dextran is labeled with biotin. Purity: >95% lyophilized powder. Degree of substitution: 1 mol % substitution and at least one biotin molecule per dextran polymer. Dextran Biotin is used to conjugate dextran to streptavidin or avidin-labeled proteins and nanoparticles.
1) Biotin-dextran: a sensitive anterograde tracer for neuroanatomic studies in rat and monkey.J Neurosci Methods. 1992;45(1-2):35-40.
2) Multiple anterograde tracing, combining Phaseolus vulgaris leucoagglutinin with rhodamine- and biotin-conjugated dextran amine, Journal of Neuroscience Methods, 1994, 51(1):9-21,