deposit high-density grids of biomolecules, such as DNA or proteins for fabrication of microarrays; and SonoCoat Treated Slides, a series of surface treatment processes for attaching biomolecules to a range of materials, such as glass, stainless steel, polymers, diamond, and carbon nanotubes. The company’s products are used in life sciences applications, such as chemical treatment of oxide and unreactive polymer surfaces, mass spectrometry enhancement via small spots, spotting DNA at a high resolution for microarray fabrication, and spotting proteins for an ELISA-type microarray assay; and polymers and printed electronics applications, including deposition of catalyst for carbon nanotube growth, drawing a polymer-based blue led, and printing lines of nanometallic ink for conductive electronic traces. SonoPlot, Inc. was incorporated in 2003 and is headquartered in Middleton, Wisconsin.