The anode of a microbial fuel cell (MFC) was formed on a graphite electrode and immobilized Gluconobacter oxydans VKM-1280 bacterial cells. Immobilization was performed in chitosan. poly(vinyl alcohol) or N-vinylpyrrolidone-modified poly(vinyl alcohol). Ethanol was used as substrate. http://www.bekindtopets.com/super-grab-Wizarding-World-Hogwarts-Legacy-Main-Poster-iPhone-14-Plus-Clear-Case-p36756-quick-choice/