US electrical retailer Best Buy's corporate venturing division, oil and gas developer Alpine and venture capital firm Chrysalix initial backers of Brammo's series B round.

Nokia Growth Partners leads $10m series B round for Rocket Fuel.

OpenCloud, a UK-based supplier of application server software, raises $8m from Nokia Siemens Networks and venture investors.

Burrill, which has 24 healthcare companies as limited partners in its venture capital funds, adds state partner to treble NewBridge Pharmaceuticals' B round to $12m.

Switzerland's ABB invests in Power Assure following Trilliant in July.

Cinema chain Imax invests in Laser Light Engines' series B round as part of strategic partnership.

NuvoSun raises $20m from Dow Chemicals in second tranche of the year.

Detlef Albrecht promoted to executive president of Sorbent Therapeutics as its finishes its series B round.

Verizon Ventures revealed as the strategic investor in 4Home, which closed its $6.8m series B round in the first three months of the year.