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=eFluor Nanocrystals=

eFluor nanocrystals are a class of fluorophores comprised of semiconductor quantum dots sold by eBioscience, Inc. out of San Diego, CA. eBioscience currently lists eBioscience obtained the sole rights to sell quantum dot nanocrystals for biological applications in a license agreement with Evident Technologies in 2008. Currently, eBioscience sells the eFluor nanocrystals as either "Tools for Discovery" in which the nanocrystals provide either primary amine, carboxylate, or non-functional groups on the surface for scientists to perform custom conjugation reactions, or as tags pre-conjugated to primary antibodies which are used for flow cytometry, immunohistochemistry, microarrays, ultra-highthroughput sequencing, in vivo imaging and microscopy.

The quantum dots are rendered water-soluble by a proprietary lipid layer which also provides a medium for the conjugation of biological molecules via either primary amine or carboxylate functional groups on the surface of the lipid layer.