Biotin-PEG-biotin, MW 10K is a biotin molecule with strong binding to avidin/streptavidin, streptavidin and avidin are linked with high affinity and specificity through a stable amide linkage. Linear PEG conjugates, widely used for molecular target detection.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.