Gold nanoparticles

Gold nanoparticles (colloidal gold) of different sizes, citrate capped.


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The concentration and surface chemistry of our gold nanoparticles are ideal to be used with the protocol developed by the Mirkin group for the high-density conjugation to nucleic acids (see references below).


Product Data Sheet and Protocol


Safety Data Sheet



  • H. D. Hill & C. A. Mirkin. The bio-barcode assay for the detection of protein and nucleic acid targets using DTT-induced ligand exchange. Nature Protocols, 2006, 1, 324–336. (link)
  • X. Chen, F. Lisi, P. Bakthavathsalam, G. Longatte, S. Hoque, R. D. Tilley, J. J. Gooding. Impact of the Coverage of Aptamers on a Nanoparticle on the Binding Equilibrium and Kinetics between Aptamer and Protein. ACS sensors, 2020, 2021, 6, 2, 538–545. (link)


Additional information


10 nm, 40 nm, 80 nm


15 mL in ultrapure water (0.5 nM)