As Japan seeks to expand its capacity for polymerase chain reaction tests for the novel coronavirus, a Fujifilm Corp. subsidiary on Friday started selling a chemical that will allow for faster checks than existing methods.Fujifilm Wako Pure Chemical Corp.'s reagent will allow its automated test machines, already in use to detect tuberculosis and other diseases, to complete tests for the virus in around 75 minutes, down from the current four to six hours for existing test methods.The machines have already been introduced in dozens of major hospitals and medical facilities. They require less …READ FULL ARTICLE