Multisensor Systems by Electrochemical Nanowire Assembly for the Analysis of Aqueous Solutions

Frontiers in Chemistry
Konstantin G NikolaevYulia G Mourzina

Abstract

The development of electrochemical multisensor systems is driven by the need for fast, miniature, inexpensive, analytical devices, and advanced interdisciplinary based on both chemometric and (nano)material approaches. A multicomponent analysis of complex mixtures in environmental and technological monitoring, biological samples, and cell culture requires chip-based multisensor systems with high-stability sensors. In this paper, we describe the development, characterization, and applications of chip-based nanoelectrochemical sensor arrays prepared by the directed electrochemical nanowire assembly (DENA) of noble metals and metal alloys to analyze aqueous solutions. A synergic action of the electrode transducer function and electrocatalytic activity of the nanostructured surface toward analytes is achieved in the assembled metal nanowire (NW) sensors. Various sensor nanomaterials (Pd, Ni, Au, and their multicomponent compositions) can be electrochemically assembled on a single chip without employing multiple cycles of photolithography process to realize multi-analyte sensing applications as well as spatial resolution of sensor analysis by this single-chip multisensor system. For multi-analyte electrochemical sensing, individual ...Continue Reading

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Citations

Dec 18, 2019·Chemical Communications : Chem Comm·Lili LvChaoxu Li
Dec 28, 2019·Materials·Bhargav D Mansuriya, Zeynep Altintas
Feb 23, 2020·Sensors·Bhargav D Mansuriya, Zeynep Altintas
Apr 20, 2021·Frontiers in Chemistry·Yulia G MourzinaAndreas Offenhäusser
Apr 29, 2021·Annual Review of Chemical and Biomolecular Engineering·Nikolay V RyzhkovEkaterina V Skorb

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Methods Mentioned

BETA
biosensors
chip
scanning
X-ray
chips
optical microscopy

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