Nanoprobes, Incorporated was founded to develop the most sensitive reagents and technology for detecting biological molecules. The company manufactures and retails the Nanogold as well as the FluoroNanogold combined fluorescent and gold immunoprobe. Nanoprobes also offers a complete line of colloidal gold probes, and a line of silver enhancement and negative staining reagents. Home pregnancy tests are an example of the technology the company specializes in which include immunogold labeling and immunoassay tests. Nanoprobes unique gold labeling technology uses chemically cross-linked metal clusters and nanoparticles as labels. Its corporate office and research laboratories are located in the Long Island High Technology Incubator at Stony Brook, N.Y.