Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.0
3.7
Journals
Chemosensors
Special Issues
Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental...
share announcement

Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Electrochemical Devices and Sensors".

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 12579

Special Issue Editors

Prof. Dr. ZhengRong Gu

E-Mail Website
Guest Editor
Department of Agri&Biosystems Eng., South Dakota State University, Brookings, SD 57007 USA
Interests: biosensors; electrochemical sensors; renewable graphene & advanced carbon materials; bioseparation technology (biomedical engineering, biopharma and biorefinery); tailored materials for biomedical engineering; catalysts of biorefinery; water purification and recovery; bio-dust fire monitoring and prevention; transmission electron microscope techniques for materials characterization and biomedical diagnosis; bioinspired silicon-carbon and silica materials
Dr. Shun Lu

E-Mail Website
Guest Editor
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China
Interests: biosensors; electrochemical sensors; H2 production; supercapacitor; sewage treatment; electroanalytical
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Agricultural safety is a global concern and will remain a challenge to human health worldwide, as this area currently lacks fast, sensitive, efficient, and low-cost detective technology. Electrochemical biosensors have long been studied to help answer these concerns. Recent research progress regarding nanotechnology, efforts of miniaturization and connectivity enabled through the internet of things (IoT) has promoted electrochemical biosensors’ capabilities to a degree that they surely will play a major part of the answer to this global challenge. Surprisingly, however, the adaption of such electrochemical biosensors to function worldwide and include important aspects of sustainable agricultural, biological, and environmental applications has been neglected thus far.

In recent years, considerable efforts have been made regarding the development of functional materials with desirable properties (e.g., excellent selectivity, high stability, and high anti-inference ability) for electrochemical biosensors. Various functional materials, including metal compounds (oxides, sulfides, nitrides), quantum dots, metal–organic framework compounds, etc., were developed. The above functional materials endow electrochemical biosensors with fruitful applications, such as (bio)sensing of various agricultural targets (e.g., pesticide residues), biological targets (e.g., dopamine, uric acid, enzymes, and pathogenic microorganisms), and environmental pollutants (heavy-metal ions and toxic gases).

This Special Issue of Chemosensors focuses on the recent developments of electrochemical biosensors, with particular focus on their applications in agricultural, biological, and environmental applications. We look forward to receiving your contributions.

Prof. Dr. ZhengRong Gu
Dr. Shun Lu
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. Chemosensors 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

  • electrochemistry
  • biosensor
  • sensing electrode
  • electrochemical analysis
  • nanomaterial
  • biomarker validation
  • pollutant assessment
  • agricultural safety
  • sustainable agriculture
  • environmental pollutants

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Published Papers (5 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

Jump to: Review

13 pages, 2784 KiB  
Article
Application of the OECT-Based In Vivo Biosensor Bioristor in Fruit Tree Monitoring to Improve Agricultural Sustainability
by Filippo Vurro, Edoardo Marchetti, Manuele Bettelli, Luigi Manfrini, Adele Finco, Carlo Sportolaro, Nicola Coppedè, Nadia Palermo, Maria Grazia Tommasini, Andrea Zappettini and Michela Janni
Chemosensors 2023, 11(7), 374; https://doi.org/10.3390/chemosensors11070374 - 4 Jul 2023
Cited by 6 | Viewed by 2440
Abstract
Water scarcity is a major concern in agriculture worldwide. Fruit trees are severely affected by water deprivation in terms of growth, fruit yield, and quality. Plant monitoring combined with efficient irrigation is pivotal to achieve good quality standards and improve agricultural sustainability. This [...] Read more.
Water scarcity is a major concern in agriculture worldwide. Fruit trees are severely affected by water deprivation in terms of growth, fruit yield, and quality. Plant monitoring combined with efficient irrigation is pivotal to achieve good quality standards and improve agricultural sustainability. This study reports the use of in vivo sensing technology to monitor fruit tree species continuously, in real time and in vivo, through an Organic Electrochemical Transistor (OECT)-based biosensor called Bioristor. The sensor was applied to grapevines, apples, and kiwis, revealing its capability to trace the plant water status for the whole productive cycle. A correlation between the sensor response index (R) and environmental parameters such as air humidity and temperature were recorded for fruit species. The day/night oscillation of the ionic content in the transpiration stream varies during plant growth and fruit maturation and during severe drought stress. Bioristor promptly detected the occurrence of drought stress. The gate current (Igs) trend supports the reduction in the saturation of the system due to the lower water availability. The use of Bioristor-acquired indices can be used to improve precision irrigation techniques according to the real plant needs. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications)
►▼ Show Figures

Figure 1

16 pages, 5203 KiB  
Article
Preparation of Reduced Graphene Oxide Sheets with Large Surface Area and Porous Structure for High-Sensitivity Humidity Sensor
by Seo Jin Kim, Hong Jun Park, Eun Seop Yoon and Bong Gill Choi
Chemosensors 2023, 11(5), 276; https://doi.org/10.3390/chemosensors11050276 - 4 May 2023
Cited by 9 | Viewed by 2563
Abstract
Humidity sensors provide environmental conditions suitable for several applications. However, they suffer from a limited reliable range originating from the low electrical conductivity and low water-sensitive sites of humidity-sensing materials. In this study, we developed high-sensitivity humidity sensors based on holey-reduced graphene oxide [...] Read more.
Humidity sensors provide environmental conditions suitable for several applications. However, they suffer from a limited reliable range originating from the low electrical conductivity and low water-sensitive sites of humidity-sensing materials. In this study, we developed high-sensitivity humidity sensors based on holey-reduced graphene oxide (HRGO) with a large surface area (274.5 m2/g) and an abundant pore structure. HRGO was prepared via the H2O2-etching-reaction-assisted hydrothermal processing of graphene oxide sheets. The resulting humidity sensor exhibited high sensitivity (−0.04317 log Z/%RH, R2 = 0.9717), a fast response time (<3 s), and long-term stability over 28 days. The impedance responses of the humidity sensor were almost similar between the mechanically standard and bent states. Furthermore, electrochemical impedance spectroscopy was performed to understand the humidity-sensing mechanism of the HRGO materials. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications)
►▼ Show Figures

Figure 1

15 pages, 4239 KiB  
Article
Phage Display Affibodies Combined with AuNPs@Ru(bpy)32+ for Ultra-Sensitive Electrochemiluminescence Detection of Abrin
by Shuai Liu, Zhaoyang Tong, Chunying Jiang, Chuan Gao, Jianjie Xu, Xihui Mu, Bing Liu, Bin Du, Zhiwei Liu and Pengjie Zhang
Chemosensors 2022, 10(5), 184; https://doi.org/10.3390/chemosensors10050184 - 13 May 2022
Cited by 2 | Viewed by 2409
Abstract
Abrin is a cytotoxin with strong lethality, which is a serious threat to human health and public safety, and thus, highly sensitive detection methods are urgently needed. The phage display affibody has two major modules, among which, the affibody fragment, with small molecular [...] Read more.
Abrin is a cytotoxin with strong lethality, which is a serious threat to human health and public safety, and thus, highly sensitive detection methods are urgently needed. The phage display affibody has two major modules, among which, the affibody fragment, with small molecular weight, high affinity and easy preparation, can be used for the specific recognition of the target, and the phage shell, with numerous protein copies, can be used as a carrier for the massive enrichment of signal molecules, and thus is particularly suitable as a sensitive probe for signal amplification in high-sensitivity biosensors. In this study, with antibody-coated magnetic microspheres as capture probes, Ru(bpy)32+ and biotin dual-labeled phage display affibodies as the specific signal probes and AuNPs@Ru(bpy)32+ (Ru(bpy)32+-coated gold nanoparticles) as the signal amplification nanomaterials, a new electrochemiluminescence (ECL) biosensor with a four-level sandwich structure of “magnetic capture probe-abrin-phage display affibody-AuNPs@Ru(bpy)32+” was constructed for abrin detection. In this detection mode, AuNPs@Ru(bpy)32+, a gold nanocomposite prepared rapidly via electrical interaction, contained an extremely high density of signal molecules, and the phage display affibodies with powerful loading capacity were not only labeled with Ru(bpy)32+, but also enriched with AuNPs@Ru(bpy)32+ in large amounts. These designs greatly improved the detection capability of the sensor, ultimately achieving the ultra-sensitive detection of abrin. The limit of detection (LOD) was 4.1 fg/mL (3δ/S), and the quantification range was from 5 fg/mL to 5 pg/mL. The sensor had good reproducibility and specificity and performed well in the test of simulated samples. This study expanded the application of affibodies in the field of biosensing and also deeply explored the signal amplification potential of phage display technology, which is of high value for the construction of simple and efficient sensors with high sensitivity. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications)
►▼ Show Figures

Figure 1

Review

Jump to: Research

16 pages, 1848 KiB  
Review
Recent Advances in Cyanobacterial Cytotoxin Biosensors Focused on Cylindrospermopsin
by Yein Kwon, Yejin Yoon, Moonbong Jang, Sunggu Kang, Chulhwan Park and Taek Lee
Chemosensors 2023, 11(7), 401; https://doi.org/10.3390/chemosensors11070401 - 18 Jul 2023
Cited by 1 | Viewed by 1826
Abstract
Cylindrospermopsin (CYN) is a freshwater algal toxin produced during the proliferation of harmful cyanobacteria, known as cyanobacterial algal blooms (cyano-HABs). Recently, the effects of global warming have facilitated the growth of cyano-HABs, leading to their worldwide occurrence and an increase in toxin-related damage [...] Read more.
Cylindrospermopsin (CYN) is a freshwater algal toxin produced during the proliferation of harmful cyanobacteria, known as cyanobacterial algal blooms (cyano-HABs). Recently, the effects of global warming have facilitated the growth of cyano-HABs, leading to their worldwide occurrence and an increase in toxin-related damage to aquatic ecosystems. CYN is known to exhibit strong cell toxicity upon ingestion, inhibiting protein synthesis and glutathione production and, ultimately, leading to cell death. In addition to cell toxicity, CYN exhibits skin toxicity, genotoxicity, and hepatotoxicity. It can also affect other organs, such as the kidneys (causing tubular necrosis), thymus (causing atrophy), and heart (causing pericardial and myocardial hemorrhage). The standard method used for CYN detection to date, enzyme-linked immunosorbent assay (ELISA), has several drawbacks: it is complex, time-consuming, and requires trained researchers. Recently, biosensors have been shown to offer numerous advantages, such as their simplicity, portability, and rapidity, making them suitable for onsite applications. Consequently, recent studies have actively explored the latest biosensor-based technologies for CYN detection. This review discusses the recent advances in CYN detection platforms that utilize several types of biosensors. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications)
►▼ Show Figures

Figure 1

17 pages, 3429 KiB  
Review
Biochar for Water Pollution Control: From Sensing to Decontamination
by Timea Ema Krajčovičová, Michal Hatala, Pavol Gemeiner, Ján Híveš, Tomáš Mackuľak, Katarína Nemčeková and Veronika Svitková
Chemosensors 2023, 11(7), 394; https://doi.org/10.3390/chemosensors11070394 - 14 Jul 2023
Cited by 3 | Viewed by 2513
Abstract
Biochar, a biologically originated carbon-rich material derived from the oxygen-limited pyrolysis of biomass, is usually added to the soil for its enrichment, increasing its water-holding capacity and pH. This revolutionary material thus contributes to a reduction in the overall environmental impact and mitigation [...] Read more.
Biochar, a biologically originated carbon-rich material derived from the oxygen-limited pyrolysis of biomass, is usually added to the soil for its enrichment, increasing its water-holding capacity and pH. This revolutionary material thus contributes to a reduction in the overall environmental impact and mitigation of climate change. Due to the beneficial properties of this material, especially for electrochemical applications (large active surface area, conductivity, etc.), biochar demonstrates an extremely high capacity for the adsorption and detection of micropollutants simultaneously. However, finding the optimal conditions for the adsorptive and electrochemical properties of prepared biochar-based sensors is crucial. The adsorption efficiency should be sufficient to remove pollutants, even from complex matrices; on the other hand, the electrochemical properties, such as conductivity and charge transfer resistance, are key factors concerning the sensing ability. Therefore, the balanced design of biochar can ensure both the usability and the effectiveness of sensing. To enhance levels of electroactivity that are already high, the pre- or post-modification of biochar can be performed. Such recycled carbon-based materials could be promising candidates among other electrochemical sensing platforms. In this study, different biochar modifications are presented. Utilizing important biochar properties, it should be possible to create a bifunctional platform for removing micropollutants from water systems and simultaneously confirming purification levels via their detection. We reviewed the use of biochar-based materials for the effective removal of micropollutants and the methods for their detection in water matrices. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Biosensors for Agricultural, Biological, and Environmental Applications)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-5
Back to TopTop