Matrics said it has closed its $14 million second round of funding, led by Novak Biddle Venture Partners and The Carlyle Group. Other investors included Venturehouse Group, Polaris Venture Partners, The Washington Dinner Club, eCentury Capital Partners, Allied Capital, Apgar Investments, WomenAngels.net, Capital Investors, Silver Haze Partners and Riggs Capital Partners. Columbia, Md.-based Matrics has raised a total of $17 million. Matrics' labels, which contain thin semiconductor chips, are embedded in products, boxes and pallets, enabling companies to track items as they move through the supply channel.