Ahura Expands Series B

Ahura Scientific Inc., a Wilmington, Mass.-based developer of optical systems for the detection of unknown and suspect substances, has raised $7 million in additional Series B funding, according to VentureWire. This brings the round total to $17 million, including a $10 million first close from early 2005. Return backers include ARCH Venture Partners, Castile Ventures, ComVentures and GF Private Equity. www.ahuracorp.com