Streptavidin Gold Nanoparticles

Description

These streptavidin gold nanoparticles provide a versatile platform for direct conjugation to biotin-functionalized molecules or substrates. These particles can also be labeled with an optional fluorescent dye tag, expanding their utility in various research and diagnostic applications.

Key Features of Streptavidin Gold Nanoparticles:

• Core Diameter: Ranging from 4 nm to 200 nm
• Absorbance Peak: Between 520 – 850 nm
• Stabilization: Features a 5 kDa PEG spacer and 2 kDa PEG backfill for enhanced stability.
• Storage: Shelf life greater than 4 months when stored at 4°C.
• Formulation: Supplied as a convenient liquid suspension in PBS.

This product is highly versatile and widely used in established applications such as:

• Immunodiagnostics: Enabling sensitive and specific detection methods.
• Lateral Flow Assays: Crucial for rapid diagnostic tests due to their strong signal properties.
• Biosensors: Utilized for developing highly sensitive and selective detection systems.

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
Volume Options (@ 10 OD): 1 mL, 3 mL

Gold nanoparticles functionalized with Streptavidin.

Can be directly conjugated to biotin-AF4unctionalized molecules or substrate
Can be labeled with an optional fluorescent dye tag

Core diameter: 4 nm – 200 nm
Absorbance peak: 520 – 850 nm
5 kDa PEG spacer, 2 kDa PEG backfill
Shelf life: > 4 months (4°C storage)
Supplied as liquid suspension in PBS