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Biosensors
Special Issues
Polymer-Metal-Carbon-Based Hybrid Materials for Biosensors
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Special Issue "Polymer-Metal-Carbon-Based Hybrid Materials for Biosensors"

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Biosensor Materials".

Deadline for manuscript submissions: 29 February 2024 | Viewed by 3120

Special Issue Editors

Dr. Mohammad Ashfaq

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Guest Editor
University Centre for Research & Development (UCRD), Chandigarh University, Gharaun, Mohali 140413, Punjab, India
Interests: nanomaterials; biomaterials; biomedical; biosensors
Dr. Neetu Talreja

E-Mail Website
Guest Editor
Department of Science, Faculty of Science and Technology, Alliance University, Anekal, Bengaluru 562 106, Karnataka, India
Interests: two-dimensional materials; polymeric composite
Prof. Dr. Xindong Guo

E-Mail Website
Guest Editor
Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, China
Interests: polymeric composite; biosensor; microneedle-based drug delivery system

Special Issue Information

Dear Colleagues,

The technological advancement in developing polymer-metal-carbon-based materials with excellent physio-chemical characteristics offers newer insight into the fabrication and designing of newer biosensor devices for a range of applications, especially biomedical use. Numerous materials, mainly polymers (polymeric nanoparticles, polymeric microneedle, poly lactic acid, hyaluronic acid, chitosan, gelatin, starch, polyvinyl alcohol, etc.), metal (Cu, Zn, Ni, Ag, and Au, etc.), and carbon (carbon nanotubes, carbon nanofibers, graphene, and fullerenes, etc.) has been effectively used in a different application. Moreover, the applicability of these materials increased with the combination of two or three other materials. Through the process of combination, we can easily tune the characteristics of the materials and easily create designs based on the desired application. The polymer-metal-carbon-based emerging materials might be a promising candidate for highly sensitive and selective biosensors. With the help of nanomaterials, researchers continue developing highly selective and sensitive biosensors for biomedical and environmental applications.

This Special Issue aims to focus on the advancements in the development of functional nanomaterials-based biosensors and their applications in the biomedical field. Original research papers and reviews focused on polymers, metals, and carbon-based biosensors for biomedical and environmental remediation applications will be considered for publication. 

Dr. Mohammad Ashfaq
Dr. Neetu Talreja
Prof. Dr. Xindong Guo
Guest Editors

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 submissions that pass pre-check are 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. Biosensors is an international peer-reviewed open access monthly 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 2700 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

  • polymers
  • carbon
  • metals
  • biosensor
  • biomedical
  • environments

Published Papers (2 papers)

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Research

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Communication
Laser Scribing Turns Plastic Waste into a Biosensor via the Restructuration of Nanocarbon Composites for Noninvasive Dopamine Detection
by
Jagadeesh Suriyaprakash
,
Yang Huang
,
Zhifei Hu
,
Hao Wang
,
Yiyu Zhan
,
Yangtao Zhou
,
Indumathi Thangavelu
and
Lijun Wu
Biosensors 2023, 13(8), 810; https://doi.org/10.3390/bios13080810 - 12 Aug 2023
Viewed by 1643
Abstract
The development of affordable and compact noninvasive point-of-care (POC) dopamine biosensors for the next generation is currently a major and challenging problem. In this context, a highly sensitive, selective, and low-cost sensing probe is developed by a simple one-step laser-scribing process of plastic [...] Read more.
The development of affordable and compact noninvasive point-of-care (POC) dopamine biosensors for the next generation is currently a major and challenging problem. In this context, a highly sensitive, selective, and low-cost sensing probe is developed by a simple one-step laser-scribing process of plastic waste. A flexible POC device is developed as a prototype and shows a highly specific response to dopamine in the real sample (urine) as low as 100 pmol/L in a broad linear range of 10−10–10−4 mol/L. The 3D topological feature, carrier kinetics, and surface chemistry are found to improve with the formation of high-density metal-embedded graphene-foam composite driven by laser irradiation on the plastic-waste surface. The development of various kinds of flexible and tunable biosensors by plastic waste is now possible thanks to the success of this simple, but effective, laser-scribing technique, which is capable of modifying the matrix’s electronic and chemical composition. Full article
(This article belongs to the Special Issue Polymer-Metal-Carbon-Based Hybrid Materials for Biosensors)
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Article
Polyindole-Derived Nitrogen-Doped Graphene Quantum Dots-Based Electrochemical Sensor for Dopamine Detection
by
Anjitha Thadathil
,
Dipin Thacharakkal
,
Yahya A. Ismail
and
Pradeepan Periyat
Biosensors 2022, 12(12), 1063; https://doi.org/10.3390/bios12121063 - 22 Nov 2022
Cited by 1 | Viewed by 1006
Abstract
The sensitive monitoring of dopamine levels in the human body is of utmost importance since its abnormal levels can cause a variety of medical and behavioral problems. In this regard, we report the synthesis of nitrogen-doped graphene quantum dots (N-GQDs) from polyindole (PIN) [...] Read more.
The sensitive monitoring of dopamine levels in the human body is of utmost importance since its abnormal levels can cause a variety of medical and behavioral problems. In this regard, we report the synthesis of nitrogen-doped graphene quantum dots (N-GQDs) from polyindole (PIN) via a facile single-step hydrothermal synthetic strategy that can act as an efficient electrochemical catalyst for the detection of dopamine (DA). The average diameter of N-GQDs was ∼5.2 nm and showed a C/N atomic ratio of ∼2.75%. These N-GQDs exhibit a cyan fluorescence color under irradiation from a 365 nm lamp, while PIN has no characteristic PL. The presence of richly N-doped graphitic lattices in the N-GQDs possibly accounts for the improved catalytic activity of N-GQDs/GCE towards electrocatalytic DA detection. Under optimum conditions, this novel N-GQDs-modified electrode exhibits superior selectivity and sensitivity. Moreover, it could detect as low as 0.15 nM of DA with a linear range of 0.001–1000 µM. In addition, the outstanding sensing attributes of the detector were extended to the real samples as well. Overall, our findings evidence that N-GQDs-based DA electrochemical sensors can be synthesized from PIN precursor and could act as promising EC sensors in medical diagnostic applications. Full article
(This article belongs to the Special Issue Polymer-Metal-Carbon-Based Hybrid Materials for Biosensors)
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