Product Description: NHS-SS-dPEG4-biotin (cleavable) is a biodegradable crosslinker with efficient bioconjugation activity. NHS-SS-dPEG4-biotin (cleavable) can effectively connect biomolecules, optimize the efficiency of biolabeling, and be used in targeted compound delivery systems. NHS-SS-dPEG4-biotin (cleavable) can also play an important role in protein engineering and fluorescence imaging.