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Special Issue "Metal Oxide Based Nanosensors"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Materials".

Deadline for manuscript submissions: 30 November 2021.

Special Issue Editor

Dr. Renaud Leturcq
E-Mail Website
Guest Editor
Luxembourg Institute of Science and Technology, 5, avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
Interests: metal-oxide thin films; metal-oxide and semiconductor nanostructures; gas sensors; responsive materials; electronic properties of semiconducting nanostructures; electrical properties of nanostructures and nanostructure networks; optical properties of metal-oxide nanostructures; quantum confinement

Special Issue Information

Dear Colleagues,

This Special Issue is aimed at the submission of both review and original research articles related to nanoscale devices based on metal-oxide materials, from material synthesis to nanostructure integration, device characterization, and understanding of their sensing properties. Due to their high sensitivity and low cost, metal-oxide materials are used in a wide range of sensors, from gas sensors to biosensors, mechanical sensors, and photodetectors. Current research activities concentrate on nanoscale devices, due to the opportunity to improve their sensitivity, their selectivity, and reduce their power consumption, which are mandatory criteria for Internet of Things (IoT) applications. More specifically, this Special Issue will focus on new nanosensor device architectures for enhanced sensing performance and lower power consumption, from their synthesis and integration to the understanding of their working principle, including in situ local analysis methods.

Dr. Renaud Leturcq
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • metal-oxide nanostructures
  • metal-oxide heterostructures
  • nanostructure networks
  • low-power sensors
  • self-powered sensors
  • light-activated sensors
  • local probe in situ characterization
  • gas sensors
  • photodetectors
  • biosensors
  • mechanical sensors

Published Papers (1 paper)

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Research

Open AccessArticle
An Electrochemical Approach for the Selective Detection of Cancer Metabolic Creatine Biomarker with Porous Nano-Formulated CMNO Materials Decorated Glassy Carbon Electrode
Sensors 2020, 20(24), 7060; https://doi.org/10.3390/s20247060 - 10 Dec 2020
Viewed by 482
Abstract
The facile wet-chemical technique was used to prepare the low-dimensional nano-formulated porous mixed metal oxide nanomaterials (CuO.Mn2O3.NiO; CMNO NMs) in an alkaline medium at low temperature. Detailed structural, morphological, crystalline, and functional characterization of CMNO NMs were performed by [...] Read more.
The facile wet-chemical technique was used to prepare the low-dimensional nano-formulated porous mixed metal oxide nanomaterials (CuO.Mn2O3.NiO; CMNO NMs) in an alkaline medium at low temperature. Detailed structural, morphological, crystalline, and functional characterization of CMNO NMs were performed by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), ultraviolet-visible spectroscopy (UV-vis), Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), and energy-dispersive X-ray spectroscopy (EDS) analyses. An efficient and selective creatine (CA) sensor probe was fabricated by using CMNO NMs decorated onto glassy carbon electrode (GCE) as CMNO NMs/GCE by using Nafion adhesive (5% suspension in ethanol). The relation of current versus the concentration of CA was plotted to draw a calibration curve of the CMNO NMs/GCE sensor probe, which was found to have a very linear value (r2 = 0.9995) over a large dynamic range (LDR: 0.1 nM~0.1 mM) for selective CA detection. The slope of LDR by considering the active surface area of GCE (0.0316 cm2) was applied to estimate the sensor sensitivity (14.6308 µAµM−1 cm−2). Moreover, the detection limit (21.63 ± 0.05 pM) of CMNO MNs modified GCE was calculated from the signal/noise (S/N) ratio at 3. As a CA sensor probe, it exhibited long-term stability, good reproducibility, and fast response time in the detection of CA by electrochemical approach. Therefore, this research technique is introduced as a promising platform to develop an efficient sensor probe for cancer metabolic biomarker by using nano-formulated mixed metal oxides for biochemical as well as biomedical research for the safety of health care fields. Full article
(This article belongs to the Special Issue Metal Oxide Based Nanosensors)
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