WellDoc, developer of a prescription app for managing diabetes, has raised $20m financing from investors including Merck Global Health Innovation Fund.

Agbiotech company Chromatin completes first closing of $36m series E round, backed by GE and BP, to accelerate development of sorghum products for battling water scarcity and meeting increased food demands.

University of Illinois Urbana-Champaign spin-out MC10 adds $20m series D to venture backing for wearable electronics.

Stanford spin-out Amprius charges up with $30m series C for next generation batteries.

Location companion and check-in app Foursquare raises $35m series D funding from venture capital investors DFJ Growth and Capital Group.

Marketing technology company Sailthru raises $20m series C funding led by Scale Venture Partners and backed by existing investors including AOL Ventures.

Icelandic games studio Plain Vanilla, maker of QuizUp, raises $22m series B funding led by Tencent and Sequoia Capital, with backers including IDG Ventures.