Mayo Clinic has joined medical device maker Q-Med as an investor in the company, which is testing a drug that will prevent kidney failure.

The Spain-based telecom company has invested in a new UK-based company that will sell targeted mobile advertising.

The payment service has secured $17m in total funding and will now seek to expand into new regions.

The company has opened a $15m technology centre and will invest $1m at Moscow State University.

The advanced engineering materials group will acquire 85% of Manchester University's graphene company.

Healthy living app Lifesum has secured $6.7m in its series A round, which featured publishing group Bauer Media.

Zeebox, which has also received funding from several US-based media companies, has rebranded itself and added social networking features to its product.

Classified property listings website Lamudi, a subsidiary of Rocket Internet, has secured $7m from Tengelmann's corporate venturing unit.

Mainstay Medical is set to raise up to $36.4m from its initial public offering, with existing shareholder Medtronic to take some of the stock.