摘要
Recently,4 models of Chinese face masks,were removed from the shelves,produced by Shandong Shengquan New Materials Co.,Ltd.,resumed sales in Canada.In April,Health Canada advised Canadians not to use face masks that contain graphene because there was a potential that they could inhale graphene particles,which may pose health risks.What is graphene?Graphene is a novel nanomaterial(materials made of tiny particles)reported to have antiviral and antibacterial properties.Health Canada conducted a preliminary scientific assessment after being made aware that masks containing graphene have been sold with COVID-19 claims and used by adults and children in schools and daycares and health care settings.Health Canada’s preliminary assessment of available research identified that inhaled graphene particles had some potential to cause early lung toxicity in animals.
