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Biosensors
Special Issues
Biofuel and Biosolar Cells as Biosensing Systems
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Biofuel and Biosolar Cells as Biosensing Systems

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

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 12853

Special Issue Editor

Dr. Matteo Grattieri

E-Mail Website
Guest Editor
Departments of Chemistry and Materials Science & Engineering, University of Utah, Salt Lake City, UT, USA
Interests: biofuel cells; biosolar cells; biosensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of biofuel and biosolar cells as biosensing systems is enabling exciting research possibilities and applications, from performing the on-line monitoring of contaminated solutions to developing wearable self-powered biosensors, as well as performing semi-artificial photosynthesis for monitoring toxic compounds. Furthermore, the advancements in synthetic biology are paving the way to new enthralling research directions. In view of this rapidly growing field, it is my pleasure to invite you to contribute in this Special Issue focused on the recent advances and future perspectives and challenges for biofuel and biosolar cells as biosensing systems.

The present Special Issue is devoted to all aspects of the application of biofuel and biosolar cells for biosensing, including but not limited to the self-powered monitoring of organic and/or toxic compounds, wearable devices, fundamental studies on the mechanisms of operation of the biosensing systems, engineering of the biosensing platform, artificial tuning of the biotic/abiotic interface, supercapacitive operation, etc. Studies utilizing enzymes, isolated bacterial reaction centers and photosystems, organelle, and intact bacterial cells and algae are welcome. Perspective articles discussing recent advancements and challenges in biofuel and biosolar cells for biosensing are also welcome.

The Special Issue will be composed of research articles, communications, reviews (both comprehensive literature reviews and reviews based on the author’s research activities), and perspectives. We plan later to convert published submissions into a book on the same topic.

Dr. Matteo Grattieri
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 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

  • biofuel cells
  • biosolar cells
  • biosensors
  • self-powered biosensors
  • on-line monitoring
  • semi-artificial photosynthesis
  • wearable biosensors

Published Papers (3 papers)

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Research

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8 pages, 1292 KiB  
Article
A Self-Powered Biosensor for the Detection of Glutathione
by Brandon G. Roy, Julia L. Rutherford, Anna E. Weaver, Kevin Beaver and Michelle Rasmussen
Biosensors 2020, 10(9), 114; https://doi.org/10.3390/bios10090114 - 3 Sep 2020
Cited by 14 | Viewed by 4833
Abstract
Glutathione is an important biological molecule which can be an indicator of numerous diseases. A method for self-powered detection of glutathione levels in solution has been developed using an enzymatic biofuel cell. The device consists of a glucose oxidase anode and a bilirubin [...] Read more.
Glutathione is an important biological molecule which can be an indicator of numerous diseases. A method for self-powered detection of glutathione levels in solution has been developed using an enzymatic biofuel cell. The device consists of a glucose oxidase anode and a bilirubin oxidase cathode. For the detection of glutathione, the inhibition of bilirubin oxidase leads to a measurable decrease in current and power output. The reported method has a detection limit of 0.043 mM and a linear range up to 1.7 mM. Being able to detect a range of concentrations can be useful in evaluating a patient’s health. This method has the potential to be implemented as a quick, low-cost alternative to previously reported methods. Full article
(This article belongs to the Special Issue Biofuel and Biosolar Cells as Biosensing Systems)
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Review

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16 pages, 3778 KiB  
Review
Ethanol Biofuel Cells: Hybrid Catalytic Cascades as a Tool for Biosensor Devices
by Jefferson Honorio Franco, Shelley D. Minteer and Adalgisa R. De Andrade
Biosensors 2021, 11(2), 41; https://doi.org/10.3390/bios11020041 - 4 Feb 2021
Cited by 9 | Viewed by 3243
Abstract
Biofuel cells use chemical reactions and biological catalysts (enzymes or microorganisms) to produce electrical energy, providing clean and renewable energy. Enzymatic biofuel cells (EBFCs) have promising characteristics and potential applications as an alternative energy source for low-power electronic devices. Over the last decade, [...] Read more.
Biofuel cells use chemical reactions and biological catalysts (enzymes or microorganisms) to produce electrical energy, providing clean and renewable energy. Enzymatic biofuel cells (EBFCs) have promising characteristics and potential applications as an alternative energy source for low-power electronic devices. Over the last decade, researchers have focused on enhancing the electrocatalytic activity of biosystems and on increasing energy generation and electronic conductivity. Self-powered biosensors can use EBFCs while eliminating the need for an external power source. This review details improvements in EBFC and catalyst arrangements that will help to achieve complete substrate oxidation and to increase the number of collected electrons. It also describes how analytical techniques can be employed to follow the intermediates between the enzymes within the enzymatic cascade. We aim to demonstrate how a high-performance self-powered sensor design based on EBFCs developed for ethanol detection can be adapted and implemented in power devices for biosensing applications. Full article
(This article belongs to the Special Issue Biofuel and Biosolar Cells as Biosensing Systems)
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Other

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13 pages, 1940 KiB  
Perspective
The Use of Electroactive Halophilic Bacteria for Improvements and Advancements in Environmental High Saline Biosensing
by Erin M. Gaffney, Olja Simoska and Shelley D. Minteer
Biosensors 2021, 11(2), 48; https://doi.org/10.3390/bios11020048 - 12 Feb 2021
Cited by 13 | Viewed by 4043
Abstract
Halophilic bacteria are remarkable organisms that have evolved strategies to survive in high saline concentrations. These bacteria offer many advances for microbial-based biotechnologies and are commonly used for industrial processes such as compatible solute synthesis, biofuel production, and other microbial processes that occur [...] Read more.
Halophilic bacteria are remarkable organisms that have evolved strategies to survive in high saline concentrations. These bacteria offer many advances for microbial-based biotechnologies and are commonly used for industrial processes such as compatible solute synthesis, biofuel production, and other microbial processes that occur in high saline environments. Using halophilic bacteria in electrochemical systems offers enhanced stability and applications in extreme environments where common electroactive microorganisms would not survive. Incorporating halophilic bacteria into microbial fuel cells has become of particular interest for renewable energy generation and self-powered biosensing since many wastewaters can contain fluctuating and high saline concentrations. In this perspective, we highlight the evolutionary mechanisms of halophilic microorganisms, review their application in microbial electrochemical sensing, and offer future perspectives and directions in using halophilic electroactive microorganisms for high saline biosensing. Full article
(This article belongs to the Special Issue Biofuel and Biosolar Cells as Biosensing Systems)
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