-Based MFC with PEDOT:PSS/Graphene/Nafion Bioanode for Wastewater Treatment.

Microbial fuel cells (MFCs) are a variety of bioelectrocatalytic devices that utilize the metabolism of microorganisms to generate electric energy from organic matter. This study investigates the possibility of using a novel PEDOT:PSS/graphene/Nafion composite in combination with acetic acid bacteria to create a pure culture MFC capable of effective municipal wastewater treatment. The developed MFC was shown to maintain its activity for at least three weeks.

Modification of thermally expanded graphite and its effect on the properties of the amperometric biosensor.

The work considered the properties of a biosensor based on a novel nanomaterial-modified thermally expanded graphite (TEG). The main focus was on whether the procedure of additional graphite thermal expansion would affect the electrochemical properties of biosensors based on membrane fractions of acetic acid bacteria . Raman spectroscopy, scanning electron microscopy and electrochemical analysis were used for the study.

Multiwalled Carbon Nanotubes and the Electrocatalytic Activity of as the Basis of a Biosensor.

This paper considers the effect of multiwalled carbon nanotubes (MWCNTs) on the parameters of microbial biosensors. MWCNTs were shown not to affect the structural integrity of microbial cells and their respiratory activity. The positive results from using MWCNTs were due to a decrease in the impedance of the electrode.

Bioelectrochemical Properties of Enzyme-Containing Multilayer Polyelectrolyte Microcapsules Modified with Multiwalled Carbon Nanotubes.

This work investigated changes in the biochemical parameters of multilayer membrane structures, emerging at their modification with multiwalled carbon nanotubes (MWCNTs). The structures were represented by polyelectrolyte microcapsules (PMCs) containing glucose oxidase (GOx). PMCs were made using sodium polystyrene sulfonate (polyanion) and poly(allylamine hydrochloride) (polycation).

Effects of Polymer Matrices and Carbon Nanotubes on the Generation of Electric Energy in a Microbial Fuel Cell.

The anode of a microbial fuel cell (MFC) was formed on a graphite electrode and immobilized VKM-1280 bacterial cells. Immobilization was performed in chitosan, poly(vinyl alcohol) or -vinylpyrrolidone-modified poly(vinyl alcohol). Ethanol was used as substrate.