US-based materials company the Dow Chemical Company and the corporate venturing unit of US-based healthcare group Kaiser Permanente back the medical diagnostic company.

US-based materials company the Dow Chemical Company and Kaiser Permanente Ventures, the corporate venturing unit of US-based healthcare group Kaiser Permanente, have invested $28m in Oxford Immunotec, a medical diagnostic company .

The round was led by Imperial Innovations and Invesco Perpetual and backed by venture firms Clarus, New Leaf, DFJ Esprit, Wellington, SPARK Ventures, the Dow Chemical Company, NTEC, and the University of Oxford. Oxford Immunotec has now completed five institutional funding rounds totaling approximately $110 million since its…