Carboxyl Gold Nanoparticles

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Cytodiagnostics carboxyl functionalized gold nanoparticles have precisely engineered surface chemistry that enables coupling to various moieties that react with carboxylic acids. One of the most popular applications of this interaction is EDC/NHS coupling. The EDC activates the carboxylic acid so that it can react with NHS and acquire new functionality.

The introduction of the NHS group then allows it to react with primary amines, which enables covalent coupling to proteins and antibodies with exposed amine-containing residues such as lysine.

This permanent linkage has thus provided a gold nanoparticle label to the molecule in question and allows easier monitoring and localization within cells.

Cytodiagnostics carboxyl gold nanoparticles are available with diameters ranging from 5nm – 100nm and are also available with 2 different spacer lengths (3 kDa and 5 kDa).

This provides the customer with the necessary tools fully optimize their experiment.

For custom sizes, formulations or bulk quantities please contact our customer service department,