Touchstone Innovations has co-led a $6.75m series A round for edtech developer Sam Labs after it pumped $2.9m into the business in May 2016.

Bill Gates has invested $50m in the corporate-backed fund, which is financing treatments and technologies to fight dementia.

Unternehmertum Venture Capital Partners has returned to back a series B round for Dynamic Biosensors, a spinout from Technical University of Munich.

Neophore was launched by University of Cambridge biopharmaceutical developer PhoreMost in May 2017 to home in on potential immunotherapies for cancer.

Graphcore, whose roots can be traced back to University of Bristol, has added $50m to its coffers thanks to a series C round backed by Bosch, Dell and Samsung.

Robert Bosch Venture Capital, Dell Technologies Capital and Samsung Catalyst Fund all returned to reinvest in the machine intelligence developer.