A biosensor is a self-contained integrated device, which is capable of providing specific quantitative or semiquantitative
analytical information using a biological (or biomimetic) recognition element, which is retained in direct
spatial contact with an electrochemical transduction element. One of the main features of biosensors is the remarkable
selectivity that their biological components confer on them. Enzymes are the most common and well-developed
recognition system of the family known as catalytic biosensors. This mini-review is focused on enzyme-based biosensors
for medical applications. In particular, the new trends for the technology are described. A special emphasis is devoted to
the non-invasive and painless monitoring of body metabolites, such as glucose.
Keywords: Biosensor, enzyme, electrochemical, non invasive, wearable, glucose monitoring.
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