Nanomaterials Based Electrochemical Sensors

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "C:Chemistry".

Deadline for manuscript submissions: closed (20 December 2020) | Viewed by 3749

Special Issue Editor


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Guest Editor
Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Korea
Interests: electrochemical sensors; sensor materials; nano-biosensors; nanocomposites

Special Issue Information

In recent years, nanotechnology has led to the development of flexible and economic materials that operate for different potential applications in various fields of science and technology. The dimension size of nanomaterials is in the range of 1–100 nm. At present, electrochemical sensors are espoused for multifunctional pursuits due to their versatility, in which an electrode is exploited in their setup which acts as a transduction element. The informative material connected with electrochemical reactions (the response among cathode and anode) into material subjective and quantitative signs can be changed by the electrochemical sensor. An electrochemical cell device is a detector that analyzes the elements or pollutants in a highly-selective, sensitive, and reversible manner. The electrochemical sensor changes the number of chemicals into electrical signals. It is an analytical device for analyte detections. These sensors are promising aspirants in the clinical, environmental, as well as pharmaceutical fields. In rivalry with other analytical tools, electrochemical sensors are at the top due to their prompt and straightforward method of analysis, as well as due to the fact that they are inexpensive. The impact of electrochemical sensors in the industry is elevated just because of their continuous synthesis as well as environmental safety.

Scientists of various backgrounds (energy science, material science, biological engineering, chemistry, biochemistry, chemical engineering) are encouraged to contribute with cutting-edge research in this Special Issue of Micromachines, dedicated to the development of nanomaterials-based electrochemical sensors.

Dr. A.T.Ezhil Vilian
Guest Editor

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Keywords

  • Nanomaterials synthesis and development for electrochemical sensors and biosensors
  • Biosensors and their formulation
  • Nanocomposite materials for removal of heavy metals
  • Electrochemical sensors for hazardous materials
  • Nanomaterials-based electrochemical sensors and photocatalysis

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Published Papers (1 paper)

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Research

12 pages, 3606 KiB  
Article
Continuous Determination of Glucose Using a Membraneless, Microfluidic Enzymatic Biofuel Cell
by Haroon Khan, Jin Ho Choi, Asad Ullah, Young Ho Kim and Gyu Man Kim
Micromachines 2020, 11(12), 1129; https://doi.org/10.3390/mi11121129 - 20 Dec 2020
Cited by 10 | Viewed by 3308
Abstract
In this article, we describe an enzyme-based, membraneless, microfluidic biofuel cell for the continuous determination of glucose using electrochemical power generation as a transducing signal. Enzymes were immobilized on multi-walled carbon nanotube (MWCNT) electrodes placed parallel to the co-laminar flow in a Y-shaped [...] Read more.
In this article, we describe an enzyme-based, membraneless, microfluidic biofuel cell for the continuous determination of glucose using electrochemical power generation as a transducing signal. Enzymes were immobilized on multi-walled carbon nanotube (MWCNT) electrodes placed parallel to the co-laminar flow in a Y-shaped microchannel. The microchannel was produced with polydimethylsiloxane (PDMS) using soft lithography, while the MWCNT electrodes were replicated via a PDMS stencil on indium tin oxide (ITO) glass. Moreover, the electrodes were modified with glucose oxidase and laccase by direct covalent bonding. The device was studied at different MWCNT deposition amounts and electrolyte flow rates to achieve optimum settings. The experimental results demonstrated that glucose could be determined linearly up to a concentration of 4 mM at a sensitivity of 31 mV∙mM−1cm−2. Full article
(This article belongs to the Special Issue Nanomaterials Based Electrochemical Sensors)
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