Enzymatic bioelectrocatalysis is being increasingly exploited to better understand
oxidoreductase enzymes, to develop minimalistic yet specific biosensor platforms, and to …

The immobilization of redox proteins or enzymes onto conductive surfaces has application in
the analysis of biological processes, the fabrication of biosensors, and in the development of …

Highlights•The system had a decision making unit implemented in a smartphone
application.•The device was usable up to at least 10 days after the enzyme …

The diatomic molecules, O 2, NO and CO, have had a myriad of roles in biology. Due to this,
nature has developed many sensing proteins to perceive and respond to changes in the …

As an essential component of amino acids and nucleic acids, nitrogen (N) is a key element
of life. For atmospheric (dinitrogen, N2) and environmental (nitrate and nitrite, NO3− and …

So far, several enzyme-based electrochemical biosensors have been developed for nitrate
concentration determination. Generally, nitrate measurement in these methods is based on …

So far, many analytical biosensors have been introduced to determine the concentration of a
wide variety of analytes in environmental and agricultural samples. However, a major part of …

Abstract The Mo-dependent enzyme YiiM enzyme from Escherichia coli is a member of the
sulfite oxidase family and shares many similarities with the well-studied human …

We report an electrochemical nitrate biosensor incorporating the enzyme nitrate reductase
(NR) from the fungus Neurospora crassa entrapped within a polymeric chitosan matrix on a …

Many enzymatic biosensing devices have been developed for specific and selective nitrate
detection over the last two decades. They generally use the nitrate-nitrite redox reaction to …