Accidental nano-breakthrough may be big for batteries, bioenergy

Researchers at the Department of Energy’s Argonne National Laboratory in Argonne, Ill., have found a way to assemble nanoparticles into larger structures, a technique that could accelerate the development of battery and bioenergy-based technologies.

On the GreenBeat: Elster files for IPO, NRG to buy Green Mountain for $350 million

Smart meter systems company Elster has filed for an IPO, offering 16.2 million initial shares that will be priced between $16 and $18. It is expected to net $152 million from the offering. As Green Tech Media notes, the company’s main business is in gas, and it hasn’t made significant headway into the advanced metering infrastructure business. The IPO would presumably to go pay off some of its debt.

NanoBioDesign pulls in $1M for protein chips

NanoBioDesign, a London developer of systems that screen experimental drugs against key liver enzymes, raised $1 million (£500,000) to support manufacturing of its protein-chip devices. The funding was provided by the Imperial Innovations Group and the Capital Fund.

Nanopharmaceutical maker Tempo Pharma picks up $12M

Tempo Pharmaceuticals, a Cambridge, Mass., developer of new-drug formulations, raised $12.1 million in a first funding round. The company, which touts itself as a “nanopharmaceutical” maker, aims to improve the safety and effectiveness of existing drugs using engineered nanoparticles designed to home in on particular organs or tissues, then release two or more drugs in sequence. Tempo initially plans to focus on cancer.