Home / Nanoparticles / Spherical Gold Nanoparticles / Gold Nanoparticles Conjugation Kits / DiagNano™ Gold Conjugation Kit, 20 nm & 40 nm
DiagNano™ Gold Conjugation Kit, 20 nm & 40 nm(GCK-B60)


Kit for passive adsorption of antibodies or other proteins to 20 nm and 40 nm gold nanoparticles. Buffer Solution A-D can adjust the pH environment of gold nanoparticles to slightly above the isoelectric point of the coating antibody/protein. As a result, our conjugation kit can keep high specific activity and high efficiency in lateral-flow applications.

Application Notes
Used in lateral flow assays with high specific activity
Kit Components
Kit ComponentsQuantityStorage
20 nm Concentrated Gold Solution at 15 O.D./mL9 mL2-8 °C, do not freeze
40 nm Concentrated Gold Solution at 15 O.D./mL 9 mL2-8 °C, do not freeze
Buffer Solution A1.0 mL2-8 °C
Buffer Solution B1.0 mL2-8 °C
Buffer Solution C1.0 mL2-8 °C
Buffer Solution D1.0 mL2-8 °C
BSA Blocking Stabilizer Solution2.0 mL2-8 °C
Gold Drying Buffer2.0 mL2-8 °C
20 nm, 40 nm
Functional Group
Unit Size
18 mL
Optical Density
15 O.D./mL
Assay Time
Less than 50 minutes
Shipping Condition
Room temperature
Shelf Life
2 years

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