scholarly journals Recent advances in portable heavy metal electrochemical sensing platforms

2020 ◽  
Vol 6 (10) ◽  
pp. 2676-2690 ◽  
Author(s):  
Alejandro García-Miranda Ferrari ◽  
Paul Carrington ◽  
Samuel J. Rowley-Neale ◽  
Craig E. Banks
Keyword(s):  
Heavy Metal ◽  
Electrochemical Sensor ◽  
Electrochemical Sensing ◽  
Eu Regulation ◽  
Sensor Platforms ◽  
Recent Advances ◽  
Sensing Platforms

This Review explores the parameters to be engineered to design in situ electrochemical sensor platforms capable of meeting new EU regulation.

Development of Au-Pd@UiO-66-on-ZIF-L/CC as a self-supported electrochemical sensor for in situ monitoring of cellular hydrogen peroxide

2021 ◽  
Author(s):  
Jilin Zheng ◽  
Peng Zhao ◽  
Shiying Zhou ◽  
Sha Chen ◽  
Yi Liang ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Electrochemical Sensor ◽  
Noble Metals ◽  
Electrochemical Sensors ◽  
Metal Organic Frameworks ◽  
Electrochemical Sensing ◽  
In Situ Monitoring ◽  
Metal Organic

Integrating metal-organic frameworks (MOFs) of different components or structures together and exploiting them as electrochemical sensors for electrochemical sensing have aroused great interest. And the incorporation of noble metals with...

Defect- and phase-engineering of Mn-mediated MoS2 nanosheets for ultrahigh electrochemical sensing of heavy metal ions: chemical interaction-driven in situ catalytic redox reactions

2018 ◽  
Vol 54 (67) ◽  
pp. 9329-9332 ◽  
Author(s):  
Wen-Yi Zhou ◽  
Shan-Shan Li ◽  
Xiang-Yu Xiao ◽  
Shi-Hua Chen ◽  
Jin-Huai Liu ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Electrochemical Detection ◽  
Heavy Metal Ions ◽  
Redox Reactions ◽  
Chemical Interaction ◽  
Electrochemical Sensing ◽  
Mos2 Nanosheets ◽  
Phase Engineering

An ultrasensitive electrochemical detection of heavy metal ions is achieved via defect- and phase-engineering of Mn-mediated MoS2 nanosheets.

scholarly journals Recent advances in 2D hexagonal boron nitride (2D-hBN) applied as the basis of electrochemical sensing platforms

2020 ◽  
Author(s):  
Alejandro García-Miranda Ferrari ◽  
Samuel J. Rowley-Neale ◽  
Craig E. Banks
Keyword(s):  
Boron Nitride ◽  
Critical Review ◽  
Hexagonal Boron Nitride ◽  
Electrochemical Sensing ◽  
Future Developments ◽  
Common Misconception ◽  
Recent Advances ◽  
Sensing Platform ◽  
Sensing Platforms ◽  
Recent Developments

Abstract2D hexagonal boron nitride (2D-hBN) is a lesser utilised material than other 2D counterparts in electrochemistry due to initial reports of it being non-conductive. As we will demonstrate in this review, this common misconception is being challenged, and researchers are starting to utilise 2D-hBN in the field of electrochemistry, particularly as the basis of electroanalytical sensing platforms. In this critical review, we overview the use of 2D-hBN as an electroanalytical sensing platform summarising recent developments and trends and highlight future developments of this interesting, often overlooked, 2D material.

scholarly journals Electroanalytical Overview: Electrochemical Sensing Platforms for Food and Drink Safety

Biosensors ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 291
Author(s):  
Alejandro Garcia-Miranda Ferrari ◽  
Robert D. Crapnell ◽  
Craig E. Banks
Keyword(s):  
Low Cost ◽  
Analytical Techniques ◽  
Short Review ◽  
Electrochemical Sensing ◽  
Water Safety ◽  
Site Analysis ◽  
Sensor Platforms ◽  
Sensing Platforms ◽  
Biological Recognition ◽  
Food And Drink

Robust, reliable, and affordable analytical techniques are essential for screening and monitoring food and water safety from contaminants, pathogens, and allergens that might be harmful upon consumption. Recent advances in decentralised, miniaturised, and rapid tests for health and environmental monitoring can provide an alternative solution to the classic laboratory-based analytical techniques currently utilised. Electrochemical biosensors offer a promising option as portable sensing platforms to expedite the transition from laboratory benchtop to on-site analysis. A plethora of electroanalytical sensor platforms have been produced for the detection of small molecules, proteins, and microorganisms vital to ensuring food and drink safety. These utilise various recognition systems, from direct electrochemical redox processes to biological recognition elements such as antibodies, enzymes, and aptamers; however, further exploration needs to be carried out, with many systems requiring validation against standard benchtop laboratory-based techniques to offer increased confidence in the sensing platforms. This short review demonstrates that electroanalytical biosensors already offer a sensitive, fast, and low-cost sensor platform for food and drink safety monitoring. With continued research into the development of these sensors, increased confidence in the safety of food and drink products for manufacturers, policy makers, and end users will result.

scholarly journals Development of an electrochemical sensor for in-situ monitoring of reactive species produced by cold physical plasma

2021 ◽  
Vol 326 ◽  
pp. 129007
Author(s):  
Zahra Nasri ◽  
Giuliana Bruno ◽  
Sander Bekeschus ◽  
Klaus-Dieter Weltmann ◽  
Thomas von Woedtke ◽  
...  
Keyword(s):  
Electrochemical Sensor ◽  
Reactive Species ◽  
In Situ Monitoring ◽  
Physical Plasma

Ultrasensitive determination of chloramphenicol in pork and chicken meat samples using a portable electrochemical sensor: effects of 2D nanomaterials on the sensing performance and stability

2021 ◽  
Author(s):  
Ngo Xuan Dinh ◽  
Tuyet Nhung Pham ◽  
Tran Quang Huy ◽  
Do Quang Trung ◽  
Pham Anh Tuan ◽  
...  
Keyword(s):  
Electrochemical Sensor ◽  
Food Samples ◽  
Chicken Meat ◽  
Electrochemical Sensing ◽  
Portable Sensors ◽  
2D Nanomaterials ◽  
Meat Samples ◽  
Sensing Performance

This work contributes to a deeper understanding of the effects of functional 2D nanomaterials on the electrochemical sensing performance of SPE-based portable sensors for the rapid, accurate, and on-site determination of CAP in food samples.

scholarly journals Quantum Chemical Studies and Electrochemical Investigations of Polymerized Brilliant Blue-Modified Carbon Paste Electrode for In Vitro Sensing of Pharmaceutical Samples

Chemosensors ◽  
2021 ◽  
Vol 9 (6) ◽  
pp. 135
Author(s):  
Pattan-Siddappa Ganesh ◽  
Sang-Youn Kim ◽  
Savas Kaya ◽  
Rajae Salim ◽  
Ganesh Shimoga ◽  
...  
Keyword(s):  
Electrochemical Sensor ◽  
Carbon Paste Electrode ◽  
Quantum Chemical ◽  
Electrochemical Sensing ◽  
Quantum Chemical Modeling ◽  
Brilliant Blue ◽  
Carbon Paste ◽  
Chemical Modeling ◽  
The Real ◽  
Paste Electrode

To develop an electrochemical sensor for electroactive molecules, the choice and prediction of redox reactive sites of the modifier play a critical role in establishing the sensing mediating mechanism. Therefore, to understand the mediating mechanism of the modifier, we used advanced density functional theory (DFT)-based quantum chemical modeling. A carbon paste electrode (CPE) was modified with electropolymerization of brilliant blue, later employed for the detection of paracetamol (PA) and folic acid (FA). PA is an analgesic, anti-inflammatory and antipyretic prescription commonly used in medical fields, and overdose or prolonged use may harm the liver and kidney. The deficiency of FA associated with neural tube defects (NTDs) and therefore the quantification of FA are very essential to prevent the problems associated with congenital deformities of the spinal column, skull and brain of the fetus in pregnant women. Hence, an electrochemical sensor based on a polymerized brilliant blue-modified carbon paste working electrode (BRB/CPE) was fabricated for the quantification of PA and FA in physiological pH. The real analytical applicability of the proposed sensor was judged by employing it in analysis of a pharmaceutical sample, and good recovery results were obtained. The potential excipients do not have a significant contribution to the electro-oxidation of PA at BRB/CPE, which makes it a promising electrochemical sensing platform. The real analytical applicability of the proposed method is valid for pharmaceutical analysis in the presence of possible excipients. The prediction of redox reactive sites of the modifier by advanced quantum chemical modeling-based DFT may lay a new foundation for researchers to establish the modifier–analyte interaction mechanisms.

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