1 research outputs found
Detection of H<sub>2</sub>O<sub>2</sub> at the Nanomolar Level by Electrode Modified with Ultrathin AuCu Nanowires
No full textBimetallic AuCu nanowires (AuCuNWs)
are synthesized via a facile water solution method at room temperature.
Enhanced electrocatalytic activity is observed toward the oxidation
of H<sub>2</sub>O<sub>2</sub>, which makes the AuCu nanowire, along
with its unique catalytic properties, intriguing bifunctional mechanism,
and surface atomic construction, a promising platform for the amplification
of interfacing signal. A highly sensitive H<sub>2</sub>O<sub>2</sub> biosensor is thus developed on the base of the as-prepared AuCuNW
catalyst. A very low real determination limit (2.0 nM) was reached,
and a linear range as wide as 5 orders of magnitude was demonstrated.
In addition, a trace amount of H<sub>2</sub>O<sub>2</sub>, which was
released from Raw 264.7 cells, was selectively detected, hinting at
the possible applications for real-time quantitative detection of
H<sub>2</sub>O<sub>2</sub> in a biological environment
