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Gold nanoparticles (diameter=10 nm, OD=20, concentration=1mg/ml) are colloidal gold functionalized with various functional groups using our leading surface chemistry technology. All functionalized gold nanoparticles are modified through covalent bond for high stability. The polysaccharide and synthetic polymer based nanoparticles have higher stability,hydrophilicity and biocompatibility than monolayer based ones. All gold nanoparticles (except maleimide functionalized) are dissolved in ultra pure water. All listed prices are in USD.

Bare gold nanoparticles, non-functionalized.

DescriptionCatalog No. Diameter PriceQty
Bare gold nanoparticle 6000010-1ml10 nm$65
6000010-5ml10 nm$292

Carboxylate functionalized gold nanoparticles carry negative charge in buffer with pH greater than 4.They can covalently bind to the primary amine groups after EDC/NHS activation.

DescriptionCatalog No. Diameter PriceQty
Carboxylated monolayer gold nanoparticle 6111110-1ml10 nm$109
6111110-5ml10 nm$403
Carboxylated polysaccharide gold nanoparticle 6511110-1ml10 nm$149
6511110-5ml10 nm$551
Carboxylated synthetic polymer I gold nanoparticle 6311110-1ml10 nm$248
6311110-5ml10 nm$918

Amine functionalized gold nanoparticles carry positive charge in buffer with pH less than 10.

DescriptionCatalog No. Diameter PriceQty
Polyamine functionalized gold nanoparticle 6344110-1ml10 nm$149
6344110-5ml10 nm$551
Amine functionalized polysaccharide gold nanoparticle 6514110-1ml10 nm$187
6514110-5ml10 nm$692

Maleimide functionalized gold nanoparticles permanently bind to covalently bind to thiol groups (-SH). This reaction is very specific and fast.

DescriptionCatalog No. Diameter PriceQty
Maleimide functionalized monolayer gold nanoparticle 6116410-1ml10 nm$178
6116410-5ml10 nm$659
Maleimide functionalized polysaccharide gold nanoparticle 6516410-1ml10 nm$198
6516410-5ml10 nm$733

Disulfide functionalized gold nanoparticles permanently bind to covalently bind to thiol groups (-SH) through thio-disulfide exchange. After binding, the new formed disulfide bond can be broken by another thiol compound.

DescriptionCatalog No. Diameter PriceQty
Disulfide functionalized monolayer gold nanoparticle 6112610-1ml10 nm$168
6112610-5ml10 nm$622
Disulfide functionalized polysaccharide gold nanoparticle 6512610-1ml10 nm$188
6512610-5ml10 nm$696

Ni chelated gold nanoparticles bind to his-tagged proteins.

DescriptionCatalog No. Diameter PriceQty
Ni chelated monolayer gold nanoparticle 6113510-1ml10 nm$149
6113510-5ml10 nm$551
Ni chelated polysaccharide gold nanoparticle 6513510-1ml10 nm$248
6513510-5ml10 nm$918

Protein A modified gold nanoparticles bind to immunoglobulins, especially IgG.

DescriptionCatalog No. Diameter PriceQty
Protein A modified monolayer gold nanoparticle 6710110-1ml10 nm$168
6710110-5ml10 nm$622
Protein A modified polysaccharide gold nanoparticle 6770110-1ml10 nm$248
6770110-5ml10 nm$918

Streptavidin immobilized gold nanoparticles bind to biotin-labeled biomolecules.

DescriptionCatalog No. Diameter PriceQty
Streptavidin modified monolayer gold nanoparticle 6710510-1ml10 nm$168
6710510-5ml10 nm$622
Streptavidin modified polysaccharide gold nanoparticle 6770510-1ml10 nm$248
6770510-5ml10 nm$918


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