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Biosensors
Special Issues
Novel Materials in Biosensing Devices
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Novel Materials in Biosensing Devices

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 5550

Special Issue Editors

Dr. Anindya Nag

E-Mail Website
Guest Editor
Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062 Dresden, Germany
Interests: biosensor; flexible; nanomaterials; wearable; multifunctional; glucose; printed; graphene; biocompatible
Special Issues, Collections and Topics in MDPI journals
Dr. Nasrin Afsarimanesh

E-Mail Website
Guest Editor
School of Civil and Mechanical Engineering, Curtin University, Perth, WA 6102, Australia
Interests: flexible; electrochemical; sensors; MEMS; silicon; strain; wearable; biosensor; nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The high significance of biosensing applications to improve the quality of life has been a cornerstone over the years. Different kinds of biosensors have been developed with the available spectrum of nanomaterials. The materials involved in fabricating the biosensors have been investigated for a while. Apart from the physicochemical nature of the materials, their interaction with other processed materials has been extensively studied to form biosensors. The utilization of biosensors has been done in a varied manner to detect the concentration of bio-macromolecules, in terms of biomarkers, in the human body. Since the working mechanism of the developed biosensors primarily dictates their chosen applications, the electromechanical characteristics of the novel materials are one sector that needs constant research. This Special Issue aims at showcasing the work done and subsequent challenges of new materials considered for biosensing purposes. It highlights the state-of-the-art research carried out by biosensors for academic and commercial purposes. Some of the topics of interest include, but are not limited to:

  1. Nanotechnology for biosensing applications;
  2. Flexible biosensors;
  3. Wearable biosensors;
  4. 2D materials for biosensing applications;
  5. 3D materials for biosensing applications;
  6. Novel 4D printing technologies for biosensing applications;
  7. Optical biosensors;
  8. Interactive bioinspired materials;
  9. Stimuli-responsive materials for biosensing applications.

Dr. Anindya Nag
Dr. Nasrin Afsarimanesh
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

  • wearable
  • graphene
  • flexible
  • electrochemical
  • glucose
  • field-effect transistors
  • nanocomposites
  • 3D Materials

Published Papers (2 papers)

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Research

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16 pages, 4032 KiB  
Article
Slippery Epidural ECoG Electrode for High-Performance Neural Recording and Interface
by Md Eshrat E. Alahi, Yonghong Liu, Sara Khademi, Anindya Nag, Hao Wang, Tianzhun Wu and Subhas Chandra Mukhopadhyay
Biosensors 2022, 12(11), 1044; https://doi.org/10.3390/bios12111044 - 18 Nov 2022
Viewed by 2205
Abstract
Chronic implantation of an epidural Electrocorticography (ECoG) electrode produces thickening of the dura mater and proliferation of the fibrosis around the interface sites, which is a significant concern for chronic neural ECoG recording applications used to monitor various neurodegenerative diseases. This study describes [...] Read more.
Chronic implantation of an epidural Electrocorticography (ECoG) electrode produces thickening of the dura mater and proliferation of the fibrosis around the interface sites, which is a significant concern for chronic neural ECoG recording applications used to monitor various neurodegenerative diseases. This study describes a new approach to developing a slippery liquid-infused porous surface (SLIPS) on the flexible ECoG electrode for a chronic neural interface with the advantage of increased cell adhesion. In the demonstration, the electrode was fabricated on the polyimide (PI) substrate, and platinum (Pt)-gray was used for creating the porous nanocone structure for infusing the silicone oil. The combination of nanocone and the infused slippery oil layer created the SLIPS coating, which has a low impedance (4.68 kΩ) level favourable for neural recording applications. The electrochemical impedance spectroscopy and equivalent circuit modelling also showed the effect of the coating on the recording site. The cytotoxicity study demonstrated that the coating does not have any cytotoxic potentiality; hence, it is biocompatible for human implantation. The in vivo (acute recording) neural recording on the rat model also confirmed that the noise level could be reduced significantly (nearly 50%) and is helpful for chronic ECoG recording for more extended neural signal recording applications. Full article
(This article belongs to the Special Issue Novel Materials in Biosensing Devices)
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Review

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14 pages, 892 KiB  
Review
Graphene-Based Sensors for the Detection of Microorganisms in Food: A Review
by Jingrong Gao, Aniket Chakraborthy, Shan He, Song Yang, Nasrin Afsarimanesh, Anindya Nag and Shanggui Deng
Biosensors 2023, 13(6), 579; https://doi.org/10.3390/bios13060579 - 26 May 2023
Cited by 3 | Viewed by 2500
Abstract
There is a constant need to maintain the quality of consumed food. In retrospect to the recent pandemic and other food-related problems, scientists have focused on the numbers of microorganisms that are present in different food items. As a result of changes in [...] Read more.
There is a constant need to maintain the quality of consumed food. In retrospect to the recent pandemic and other food-related problems, scientists have focused on the numbers of microorganisms that are present in different food items. As a result of changes in certain environmental factors such as temperature and humidity, there is a constant risk for the growth of harmful microorganisms, such as bacteria and fungi, in consumed food. This questions the edibility of the food items, and constant monitoring to avoid food poisoning-related diseases is required. Among the different nanomaterials used to develop sensors to detect microorganisms, graphene has been one of the primary materials due to its exceptional electromechanical properties. Graphene sensors are able to detect microorganisms in both a composite and non-composite manner, due to their excellent electrochemical characteristics such as their high aspect ratios, excellent charge transfer capacity and high electron mobility. The paper depicts the fabrication of some of these graphene-based sensors, and their utilization to detect bacteria, fungi and other microorganisms that are present in very small amounts in different food items. In addition to the classified manner of the graphene-based sensors, this paper also depicts some of the challenges that exist in current scenarios, and their possible remedies. Full article
(This article belongs to the Special Issue Novel Materials in Biosensing Devices)
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