US-based cleaning company Waste Management has made a strategic investment in MicroGreen Polymers, a firm developing technology to reduce the amount of plastic required in consumer products.

Dow Venture Capital, the in-house investment division of the US chemicals company, has invested $3m as part of a second round of funding for Clean Filtration Technologies.

Drug company GlaxoSmithKline's in-house venture capital division has co-led the $43m second round of funding for US-based NeuroTherapeutics Pharma.

Intel Capital-backed Vostu, a Spanish-language social networking and gaming site based in Brazil, has relocated to New York with $12m in equity funding, according to a filing with the US Securities and Exchange Commission posted by news provider citybizlist.

Corporate venturing-backed US drugs company Avila Therapeutics has signed its second co-development deal after raising $30m in second-round funding in July.

An undisclosed strategic backer has joined venture capital firms in backing Gaikai, a US-based provider of an internet-hosted video games, in its second round of funding.

Denmark-based medical foundation Novo, which invests $300m a year through its corporate venturing fund, has reinvested in Funxional Therapeutics' second round of funding.