Gases like H2, N2, CO2, and CO are increasingly recognized as critical feedstock in “green”
energy conversion and as sources of nitrogen and carbon for the agricultural and chemical …

The reaction takes place at a specialized metal center that dramatically increases the acidity
of H2 and leads to a heterolytic splitting of the molecule which is strongly accelerated by the …

1. INTRODUCTION AND OVERVIEW The transfer and transport of electrons through
biological matter is one of the key steps underlying cellular energy harvesting, storage, and …

Hydrogenase proteins catalyze the reversible conversion of molecular hydrogen to protons
and electrons. The most abundant hydrogenases contain a [NiFe] active site; these proteins …

Electroanalytical chemists and others are concerned not only with the application of new
and classical techniques to analytical problems, but also with the fundamental theoretical …

We describe as 'reversible'a bidirectional catalyst that allows a reaction to proceed at a
significant rate in response to even a small departure from equilibrium, resulting in fast and …

Hydrogen with high energy content is considered to be a promising alternative clean energy
source. Biohydrogen production through microbes provides a renewable and immense …

Hydrogenases catalyze the reversible conversion of molecular hydrogen to protons and
electrons via a heterolytic splitting mechanism. The active sites of [NiFe] hydrogenases …

Direct electron transfer (DET)-type bioelectrocatalysis, which couples the electrode reactions
and catalytic functions of redox enzymes without any redox mediator, is one of the most …

When enzymes are optimized for biotechnological purposes, the goal often is to increase
stability or catalytic efficiency. However, many enzymes reversibly convert their substrate …