Amid growing investor interest in the bio and health care industries, a local microbial diagnostic test developer is planning an initial public offering next month. QuantaMatrix, a spin-off of Seoul National University's biophotonics and nanoengineering lab, is anticipated to list on the nation's tech-heavy Kosdaq market. Its market debut is meant to take the lead in global clinical microbiology diagnostics, said Kwon Sung-hoon, chief executive officer of QuantaMatrix, in an interv