Cigarette filters and nicotine patches both contain graphene oxide.
https://www.sciencedirect.com/science/article/abs/pii/S1385894715007937
https://www.sciencedirect.com/science/article/abs/pii/S1385894715007937
Cigarette filters and nicotine patches both contain graphene oxide.
https://www.sciencedirect.com/science/article/abs/pii/S1385894715007937