Laser-induced graphene mask (IMAGE) City University of Hong Kong Caption 香港城市大學葉汝全博士團隊用二氧化碳紅外線激光系統研製石墨烯口罩,實驗證明抑菌效率遠勝於活性碳纖維和熔噴布。 Credit City University of Hong Kong Usage Restrictions Image must only be used with appropriate caption and credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.