Many of the 'swabs' in use for the nasal tests are Graphene-base.
They are already shown as a tool to perform 'bio sensing' (Still learning how it would be used)
But it is made from Quarts it seems.
nih.gov/30986978/
nih.gov/34237423/
upenn.edu/poster/biosensing-graphene (we put Glass (quartz block) into ...) to make Graphene
Why isn't the gargle test used to rather than force glass up our noses?