IMRA America’s 25 years of laser technology bring you i-colloid: high-purity nanoparticles of gold, gold-silver, gold-platinum, and other metals with unique colorimetric properties. Laser fabrication ensures that nanoparticles are truly bare: completely free of surfactants, capping agents, and reactants, leading to increased protein binding. i-colloid particles are ideal for lateral flow and other immunoassays, and also for colorimetric cell staining applications. Custom conjugations available.
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