Gold nanoparticles

Gold nanoparticles (diameter=20 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 6000020-1ml20 nm$65
6000020-5ml20 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 6111120-1ml20 nm$109
6111120-5ml20 nm$403
Carboxylated polysaccharide gold nanoparticle 6511120-1ml20 nm$149
6511120-5ml20 nm$551
Carboxylated synthetic polymer I gold nanoparticle 6311120-1ml20 nm$248
6311120-5ml20 nm$918

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

DescriptionCatalog No. Diameter PriceQty
Polyamine functionalized gold nanoparticle 6344120-1ml20 nm$149
6344120-5ml20 nm$551
Amine functionalized polysaccharide gold nanoparticle 6514120-1ml20 nm$187
6514120-5ml20 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 6116420-1ml20 nm$178
6116420-5ml20 nm$659
Maleimide functionalized polysaccharide gold nanoparticle 6516420-1ml20 nm$198
6516420-5ml20 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 6112620-1ml20 nm$168
6112620-5ml20 nm$622
Disulfide functionalized polysaccharide gold nanoparticle 6512620-1ml20 nm$188
6512620-5ml20 nm$696

Ni chelated gold nanoparticles bind to his-tagged proteins.

DescriptionCatalog No. Diameter PriceQty
Ni chelated monolayer gold nanoparticle 6113520-1ml20 nm$149
6113520-5ml20 nm$551
Ni chelated polysaccharide gold nanoparticle 6513520-1ml20 nm$248
6513520-5ml20 nm$918

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

DescriptionCatalog No. Diameter PriceQty
Protein A modified monolayer gold nanoparticle 6710120-1ml20 nm$168
6710120-5ml20 nm$622
Protein A modified polysaccharide gold nanoparticle 6770120-1ml20 nm$248
6770120-5ml20 nm$918

Streptavidin immobilized gold nanoparticles bind to biotin-labeled biomolecules.

DescriptionCatalog No. Diameter PriceQty
Streptavidin modified monolayer gold nanoparticle 6710520-1ml20 nm$168
6710520-5ml20 nm$622
Streptavidin modified polysaccharide gold nanoparticle 6770520-1ml20 nm$248
6770520-5ml20 nm$918

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