Gold nanoparticles functionalized with Biotin-terminated Polyethylene Glycol (PEG).
 
	
Can be directly conjugated to streptavidin-functionalized molecules or substrate
	
Core diameter: 4 nm – 200 nm
	
Shelf life: > 4 months (4°C storage)
	
Supplied as liquid suspension in PBS or in water with 0.01% (w/v) Tween-20