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Although it’s over two decades old, Infinia is a relative newcomer to the solar market, having only been working on its solar thermal generator for a few years.

That may not prevent it from quickly becoming one of the largest players, though, with a new $50 million investment to kick off production and a slate of manufacturing partners ready to help fulfill its first orders.

The most notable detail about Infinia’s technology is that it’s based on the Stirling engine, which uses thermodynamic cycling of air to produce energy. Basically, air within the engine is heated by the concentrated rays of the sun, and then converted directly to energy.

Stirling engines are noted for their high efficiency, but have so far confounded other startups that have attempted to use accident-prone “kinematic” versions with solar concentrators. “You don’t know when you fire those up whether they’ll run for 25 or 500 hours, but you do know they won’t work for 5000 hours, or 60,000, as ours will,” Infinia CEO J.D. Sitton told us in an interview.

Infinia uses a hermetically sealed, single-piston design that Sitton says drastically reduces maintenance costs, although it lowers efficiency somewhat. The outcome is a solar thermal generator with 24 percent efficiency, which is still much higher than most competing alternatives currently on the market.

However, rather than fight for utility-scale developments with other solar thermal startups like Ausra or Solel, Sitton says his company will compete with solar photovoltaics. The first Infinia product will be a dish which can be sited within towns or cities, singly or in small groups.

That strategy will give the company the ability to set its own margins because it 20-30 percent cheaper than solar PV, Sitton said, although he would not disclose exactly how much the 3 kilowatt dishes would cost.

The company plans to begin producing dishes in November, and build up to 200MW per year of manufacturing capacity by the end of 2009 by working with manufacturing partners from the automotive industry, who Infinia is helping retool their production lines with part of its funding.

GLG Partners led the $50 million round, with Wexford Capital and previous investors Vulcan Capital, Khosla Ventures, EQUUS Total Returns, Idealab and Power Play Energy also participating. It was Infinia’s second funding; it also took $9.5 million last year and $3.5 million in early 2005, for a total to date of $63 million.

Featured companies: Ablynx, Cardiosolutions, Carigent Thereapeutics, Elusys, Genome Corp., GlobeImmune, Novazone, Targanta Therapeutics, Waterfront Media

UPDATED at 5:45am on 9/27/07

GlobeImmune raises $41M for immune-system therapies — GlobeImmune, a Louisville, Colo., biotech focused on new forms of immunotherapy to treat viral infections and cancer, raised $41.2 million in a third funding round. Investors included Wexford Capital, Celgene, the Mellon Family Investment Company, the Richard King Mellon Foundation, Eminent Venture Capital, Boston Life Science Venture, WRF Capital, HealthCare Ventures, Morgenthaler Ventures, Sequel Venture Partners, Lilly Ventures, Medica Venture Partners, Adams Street Partners, Biogen Idec, Pac-Link Bioventures, China Investment and Development, Yasuda Enterprise Development, Partners Healthcare, and GC&H Investments.

GlobeImmune’s experimental drugs are based on genetically engineered yeast cells, which have been altered to produce proteins that stimulate the immune system to attack diseased cells. The company’s lead product targets hepatitis C, and has completed early-stage human trials. Another drug is intended for use in pancreatic cancer.

Waterfront Media pulls in $25M for online health info — New York’s Waterfront Media, which bills itself as the largest privately held provider of online health information, raised $25 million in a fourth round of funding. Investors included Scale Venture Partners, Foundation Capital, Rho Ventures, Time Warner Ventures, BEV Capital, and Neocarta Ventures.

Waterfront said it will use the funds to expand its Everyday Health Network, a health-information portal, and to make acquisitions in the goal of becoming the “number one health destination” on the Web.

Novazone seeks $20M for food-safety tech — Novazone, a Livermore, Calif., developer of food-safety technology, is looking to raise $20 million in a third funding round, VentureWire reports (subscription required). Novazone is developing an ozone-based disinfectant for food and water purification. The company previously raised $7 million in 2006 from Chrysalix Energy, Foundation Capital and Grauer Capital.

Cardiosolutions raises $7M for heart device — Stoughton, Mass.-based Cardiosolutions, a medical-device maker focused on minimally invasive repairs to the heart’s mitral valve, raised $7 million in a first funding round. BioVentures Investors led the round.

The company’s device is intended to restore function to the valve that separates the two left chambers of the heart without open-heart surgery. Cardiosolutions was founded in 2006 by STD Med, a Stoughton-based medical-technology firm.

Elusys wins $12M contract for anthrax treatment — Pine Brook, N.J.-based Elusys, a biotech focused on antibody-based treatments for infectious disease, won a $12 million federal contract that will support development of its anthrax treatment Anthim. That treatment targets the so-called “protective antigen” component of anthrax, theoretically blocking the bacteria’s ability to produce fatal levels of toxin.

Ablynx wins €1.9M grant for miniature antibodies — Belgium’s Ablynx, a biotech working to devise new therapies using miniature antibody molecules, received a €1.9 million ($2.6 million) grant from the Institute for the Promotion of Innovation by Science and Technology in Flanders. The company said the funding would allow it to pursue new uses for its “nanobodies” and to expand its intellectual-property portfolio.

Genome Corp. raises $250K for new sequencing technology — Providence, R.I.-based Genome Corp. raised $250,000 in seed financing to extend development of a new high-speed DNA sequencing technology. The Slater Technology Fund provided the financing.

Nanotech-drug developer Carigent Therapeutics raises seed funding — Yale spinout Carigent Therapeutics, a New Haven, Conn., biotech working on a nanoparticle-based drug technology, raised an undisclosed amount of seed funding, VentureWire reports. Saint Simeon Marketing e Investimentos provided the funding in May.

The idea is that engineered nanoparticles can specifically target particular proteins, theoretically making them ideal “carriers” for other drug molecules that attack cancer, infectious pathogens or other other disease-related substances. The company has also secured $250,000 in grants from the National Cancer Institute and the National Science Foundation, and plans to target cancer with its first product, it told VentureWire.

Antibiotic maker Targanta sets IPO price range — Cambridge, Mass.-based antibiotic developer Targanta Therapeutics said it now hopes to raise up to $92.6 million in an IPO by selling shares at a price of $12 to $14 apiece. Targanta has previously expected to pull in $86.3 million; I wrote about some of the risks inherent in the company’s plans to win FDA approval for an in-licenced antibiotic called oritavancin that it hasn’t even tested itself here.

So far, Targanta seems to have managed to assure investors that it can overcome those challenges, which include some potentially strong competition from a variety of sources. Its offering will still serve as a good test of the strength of the biotech IPO market, which has been iffy for well over a year.

Featured companies: Acceleron Pharma, AdvanDx, Altheus Therapeutics, BiPar Sciences, Coventina Healthcare Enterprises, ForteBio, Ganymed Pharmaceuticals, Mako Surgical, Nile Therapeutics, Novate Medical

[NOTE: This briefing was posted on Friday, 9/21/07; I've edited its timestamp to preserve chronological order among the briefings.]

Nile Therapeutics raises $20M, goes public in reverse merger — Berkeley, Calif.-based Nile Therapeutics, a developer of cardiovascular drugs, raised $20 million from new and existing investors and carried out a reverse merger that takes the company public. Investors in the financing included Wexford Capital, RIT Capital Partners, Life Science Capital Master Fund, and other institutional investors. It’s not clear if Nile had raised venture capital prior to this funding.

Nile is at work on a second generation “natriuretic peptide,” which is basically a protein fragment that mimics the function of natural diuretics found in the heart. Nile licensed that drug from the Mayo Clinic; it’s now in early-stage human testing. Nile intends to acquire additional experimental drugs to expand its portfolio.

AdvanDx pulls in $15M for pathogen diagnostics — AdvanDx, a Woburn, Mass., biotech that develops molecular diagnostic tests for identifying infectious pathogens in hospitals, raised $15 million in a third funding round. Investors included bioMérieux, LD Pensions and SLS Venture.

The company’s diagnostic tests can supposedly identify the microbes responsible for bloodstream infections in hours rather than days, as current culturing tests require. The time saved can make it possible to effectively treat patients much sooner. In that sense, AdvanDx’s technology is similar to that of OpGen, which we wrote about in the first item here.

Novate Medical draws in €4M for anti-clot device — Ireland’s Novate Medical, a device maker at work on filters that can be installed in veins to prevent blood clots from reaching the lungs and causing pulmonary embolisms, raised €4 million ($5.5 million). Investors included ACT Venture Capital, Seroba BioVentures and Enterprise Ireland.

The company doesn’t appear to have a Web site.

Antibody company Ganymed adds €3.5M to round — Germany’s Ganymed Pharmaceuticals, a developer of monoclonal-antibody drugs for cancer, added €3.5 million ($4.9 million) to its third funding round, bringing that total to €37.2 million ($52.1 million). The additional funding was provided by ATS Beteiligungsverwaltung of Munich.

Altheus Therapeutics gets $3.6 million against bowel disease — Oklahoma City’s Altheus Therapeutics, a biotech working on new treatments for inflammatory bowel disease, raised $3.6 million to fund clinical trials. St. Louis-based Prolog Ventures, the Oklahoma Seed Capital Fund and Oklahoma Equity Partners provided the funding.

Altheus is developing a treatment that combines two existing drugs, which the company hasn’t identified.

Coventina Healthcare Enterprises gets $150K, moves to Pennsylvania — The seemingly ubiquitous Pittsburgh Life Sciences Greenhouse has struck again, investing $150,000 in Coventina Healthcare Enterprises, which then relocated to southwestern Pennsylvania from Texas. Coventina recently acquired the assets of Texas-based Selicor, and now develops therapeutic heating systems that rely on radio-frequency energy.

Mako Surgical seeks an $86M IPO for knee-surgery robots — The Ft. Lauderdale, Fla., company filed to raise up to $86 million in an initial offering. Mako’s robotic-surgery device and knee implants are designed to perform minimally invasive knee operations.

Brownian motion: Personnel moves in the life sciences —

• Acceleron Pharma, of Cambridge, Mass., named John Knopf as CEO. The company develops biotech drugs for muscle and bone injuries.
• BiPar Sciences, of Brisbane, Calif., named former Genentech CEO G. Kirk Raab as its acting chief executive. Raab is also the company’s chairman. The company develops cancer drugs.
• ForteBio, of Menlo Park, Calif., named Joseph Keegan as its new CEO. The company builds instruments designed to speed the discovery of new therapeutics.

Irvine, Calif.-based Interventional Spine raised $24 million in a third round of funding that the company says will support the launch of several new products. The company makes implants and surgical instruments for “percutaneous” spinal operations that feature narrow incisions and, theoretically, less trauma for patients. Here is the company’s release.

Ascension Health Ventures led the round, joined by Wexford Capital, HBM BioVentures, Rock Creek Capital, the MedFocus Fund and a group of current investors.