PALO ALTO, Calif.--(BUSINESS WIRE)--Hercules Technology Growth Capital, Inc. (NASDAQ: HTGC), a leading specialty finance company providing growth capital to venture capital and private equity backed technology and life science companies, today announced that on April 10, 2007, it committed $3 million of debt financing to NuGEN Technologies, Inc., a biotech company that develops and commercializes high-sensitivity nucleic acid amplification and labeling technologies used in gene expression analysis.