Cobalt Biofuels gets $25M for biobutanol

Usually when a startup classifies itself as a biofuel company, it makes one of two fuels: biodiesel or ethanol. However, there’s a range of alternatives that could be commercialized, one of which Cobalt Biofuels is after: biobutanol, a liquid fuel that is more similar to gasoline than ethanol.

Cobalt has just taken a third venture round of $25 million to put further work into the fuel, which it plans to use as an additive for either… Continue Reading

Life sciences briefing: Thursday, Sept. 6, 2007

Life sciences briefing: Thursday, Sept. 6, 2007

Featured companies: Cyntellect, Lectus Therapeutics, NeoMatrix, Nexstim, Pearl Therapeutics, Proteon Therapeutics, SupplyScape

(UPDATED at 10am PT: See below.)

Airway-disease specialist Pearl Therapeutics raises $15.5M — Redwood City, Calif.-based Pearl Therapeutics, a drug-formulation company focused on respiratory disease, raised $15.5 million in a first funding round. Investors included New Leaf Ventures, Clarus Ventures and 5AM Ventures.

Pearl doesn’t appear to have a working Web site yet, but according to its release, the company aims to treat unspecified airway diseases using “particle… Continue Reading