Nanoparticle Diameter Options: 4 nm, 7 nm, 15 nm, 30 nm, 45 nm, 60 nm, 80 nm, 100 nm, 150 nm, 200 nm
Fluorophore Options: AFDye 488, AFDye 555, AFDye 647, IR750, None
PEG Linker Options: 1 kDa, 2 kDa, 5 kDa, 10 kDa
Volume Options (@ 50 OD): 0.4 mL, 1 mL, 3 mL

PEG functionalized gold nanoparticles labeled with a fluorescent dye.

AFDye 488, AFDye 555, AFDye 647 or IR750 fluorescent dye labels
NOTE 1: AFDye 488 (similar to FITC), AFDye 555 (similar to Cy3), AFDye 647 (similar to Cy5) are analogs of AlexaFluor® 488, AlexaFluor® 555, and AlexaFluor® 647 dyes, respectively.
NOTE 2: IR750 dye is ithe analog of the IRDye® 750 dye.
5 or 10 kDa PEG spacer stabilizes nanoparticles and prevents dye quenching
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