PC-Biotin-PEG4-PEG3-azide a photo cleavable linker used to catch and release alkyne-containing biomolecules. The hydrophilic spacer arm improves the solubility of the labeled molecules in aqueous media. The 2-nitrobenzyl photo protecting group allows efficient release of captured biotinylated molecules from streptavidin/avidin under UV irradiatioin
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.