生物素-PEG₄-胺(50 mg)产品是KEY FEATURES:n• Polyethylene glycol (PEG) groups in spacer arm enhances water solubility of biotinylated moleculesn• Spacer arms providing slightly different options for controlling steric hindrance and hydrophilicity n• Water-soluble; can be used under physiologic conditionsnAPPLICATIONS:n• Biotinylation: Label molecules and surfaces for assays or affinity purification methods involving avidin or streptavidin probes and resins n• Amine-activated: Primary amine can be crosslinked to proteins and material surfaces using EDC and other crosslinkers