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Jared NM, Johnson ZT, Pola CC, Bez KK, Bez K, Hooe SL, Breger JC, Smith EA, Medintz IL, Neihart NM, Claussen JC. Biomimetic laser-induced graphene fern leaf and enzymatic biosensor for pesticide spray collection and monitoring. NANOSCALE HORIZONS 2024. [PMID: 38985448 DOI: 10.1039/d4nh00010b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Monitoring of pesticide concentration distribution across farm fields is crucial to ensure precise and efficient application while preventing overuse or untreated areas. Inspired by nature's wettability patterns, we developed a biomimetic fern leaf pesticide collection patch using laser-induced graphene (LIG) alongside an external electrochemical LIG biosensor. This "collect-and-sense" system allows for rapid pesticide spray monitoring in the farm field. The LIG is synthesized and patterned on polyimide through a high-throughput gantry-based CO2 laser process, making it amenable to scalable manufacturing. The resulting LIG-based leaf exhibits a remarkable water collection capacity, harvesting spray mist/fog at a rate approximately 11 times greater than a natural ostrich fern leaf when the collection is normalized to surface area. The developed three-electrode LIG pesticide biosensor, featuring a working electrode functionalized with electrodeposited platinum nanoparticles (PtNPs) and the enzyme glycine oxidase, displayed a linear range of 10-260 μM, a detection limit of 1.15 μM, and a sensitivity of 5.64 nA μM-1 for the widely used herbicide glyphosate. Also, a portable potentiostat with a user-friendly interface was developed for remote operation, achieving an accuracy of up to 97%, when compared to a standard commercial benchtop potentiostat. The LIG "collect-and-sense" system can consistently collect and monitor glyphosate spray after 24-48 hours of spraying, a time that corresponds to the restricted-entry interval required to enter most farm fields after pesticide spraying. Hence, this innovative "collect-and-sense" system not only advances precision agriculture by enabling monitoring and mapping of pesticide distribution but also holds the potential to significantly reduce environmental impact, enhance crop management practices, and contribute to the sustainable and efficient use of agrochemicals in modern agriculture.
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Affiliation(s)
- Nathan M Jared
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Zachary T Johnson
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Cicero C Pola
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Kristi K Bez
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Krishangee Bez
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Shelby L Hooe
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Emily A Smith
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Nathan M Neihart
- Department of Electrical Engineering, Iowa State University, Ames, Iowa 50011, USA
| | - Jonathan C Claussen
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
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2
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Gebremedhin KH, Kahsay MH, Wegahita NK, Teklu T, Berhe BA, Gebru AG, Tesfay AH, Asgedom AG. Nanomaterial-based optical colorimetric sensors for rapid monitoring of inorganic arsenic species: a review. DISCOVER NANO 2024; 19:38. [PMID: 38421536 PMCID: PMC10904709 DOI: 10.1186/s11671-024-03981-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Health concerns about the toxicity of arsenic compounds have therefore encouraged the development of new analytical tools for quick monitoring of arsenic in real samples with improved sensitivity, selectivity, and reliability. An overview of advanced optical colorimetric sensor techniques for real-time monitoring of inorganic arsenic species in the environment is given in this review paper. Herein, several advanced optical colorimetric sensor techniques for arsenite (As+3) and arsenate (As+5) based on doping chromogenic dyes/reagents, biomolecule-modified nanomaterials, and arsenic-binding ligand tethered nanomaterials are introduced and discussed. This review also highlights the benefits and limitations of the colorimetric sensor for arsenic species. Finally, prospects and future developments of an optical colorimetric sensor for arsenic species are also proposed. For future study in this sector, particularly for field application, authors recommend this review paper will be helpful for readers to understand the design principles and their corresponding sensing mechanisms of various arsenic optical colorimetric sensors.
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Affiliation(s)
- Kalayou Hiluf Gebremedhin
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia.
| | - Mebrahtu Hagos Kahsay
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Nigus Kebede Wegahita
- Department of Environmental Science, School of Environmental Science and Engineering, Tianjin University, Tianjin, China
| | - Tesfamariam Teklu
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Berihu Abadi Berhe
- School of Earth Science, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Asfaw Gebretsadik Gebru
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Amanuel Hadera Tesfay
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Abraha Geberekidan Asgedom
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
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3
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Aryal P, Hefner C, Martinez B, Henry CS. Microfluidics in environmental analysis: advancements, challenges, and future prospects for rapid and efficient monitoring. LAB ON A CHIP 2024; 24:1175-1206. [PMID: 38165815 DOI: 10.1039/d3lc00871a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Microfluidic devices have emerged as advantageous tools for detecting environmental contaminants due to their portability, ease of use, cost-effectiveness, and rapid response capabilities. These devices have wide-ranging applications in environmental monitoring of air, water, and soil matrices, and have also been applied to agricultural monitoring. Although several previous reviews have explored microfluidic devices' utility, this paper presents an up-to-date account of the latest advancements in this field for environmental monitoring, looking back at the past five years. In this review, we discuss devices for prominent contaminants such as heavy metals, pesticides, nutrients, microorganisms, per- and polyfluoroalkyl substances (PFAS), etc. We cover numerous detection methods (electrochemical, colorimetric, fluorescent, etc.) and critically assess the current state of microfluidic devices for environmental monitoring, highlighting both their successes and limitations. Moreover, we propose potential strategies to mitigate these limitations and offer valuable insights into future research and development directions.
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Affiliation(s)
- Prakash Aryal
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Claire Hefner
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Brandaise Martinez
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok 10330, Thailand
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4
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Analytical applications of smartphones for agricultural soil analysis. Anal Bioanal Chem 2023:10.1007/s00216-023-04558-1. [PMID: 36790460 PMCID: PMC10328891 DOI: 10.1007/s00216-023-04558-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/13/2023] [Accepted: 01/19/2023] [Indexed: 02/16/2023]
Abstract
Soil is one of the most important farming resources. Appropriate managing of its quality promotes productive and sustainable agriculture. The valuable farm practice in soil quality managing is based on regular soil analysis with the aim of determining the exact amount of nutrients or other chemical, physical, and biological soil properties. Soil analysis usually requires sample collection at the desired sampling depth followed by sample delivery to chemical laboratories. However, laboratory analyses are resource-intensive and costly, and require a lot of time, effort, and equipment. A low-cost, fast, and effective alternative for soil quality control is the application of smartphones to perform chemical analyses directly in the field or on the farm. In this paper, an overview of recent developments on smartphone-based methodologies for agricultural purposes and portable evaluation of soil quality and its properties is presented. The discussion focuses on recent applications of smartphone-based devices for the determination of basic soil parameters, content of organic matter, mineral fertilizers, and organic or inorganic pollutants. Obvious advantages of using smartphones, such as convenience and simplicity of use, and the main shortcomings, such as relatively poor precision of the results obtained, are also discussed. The general trend shows the huge interest from researchers to move the technology into the field with the aim of providing cost-effective and rapid soil analysis. This paper can broaden the understanding of using smartphones for chemical analysis of soil samples, as it is a relatively new area and is expected to be developed rapidly.
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Sarkar DJ, Behera BK, Parida PK, Aralappanavar VK, Mondal S, Dei J, Das BK, Mukherjee S, Pal S, Weerathunge P, Ramanathan R, Bansal V. Aptamer-based NanoBioSensors for seafood safety. Biosens Bioelectron 2023; 219:114771. [PMID: 36274429 DOI: 10.1016/j.bios.2022.114771] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 09/16/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022]
Abstract
Chemical and biological contaminants are of primary concern in ensuring seafood safety. Rapid detection of such contaminants is needed to keep us safe from being affected. For over three decades, immunoassay (IA) technology has been used for the detection of contaminants in seafood products. However, limitations inherent to antibody generation against small molecular targets that cannot elicit an immune response, along with the instability of antibodies under ambient conditions greatly limit their wider application for developing robust detection and monitoring tools, particularly for non-biomedical applications. As an alternative, aptamer-based biosensors (aptasensors) have emerged as a powerful yet robust analytical tool for the detection of a wide range of analytes. Due to the high specificity of aptamers in recognising targets ranging from small molecules to large proteins and even whole cells, these have been suggested to be viable molecular recognition elements (MREs) in the development of new diagnostic and biosensing tools for detecting a wide range of contaminants including heavy metals, antibiotics, pesticides, pathogens and biotoxins. In this review, we discuss the recent progress made in the field of aptasensors for detection of contaminants in seafood products with a view of effectively managing their potential human health hazards. A critical outlook is also provided to facilitate translation of aptasensors from academic laboratories to the mainstream seafood industry and consumer applications.
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Affiliation(s)
- Dhruba Jyoti Sarkar
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India.
| | - Bijay Kumar Behera
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India.
| | - Pranaya Kumar Parida
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India
| | - Vijay Kumar Aralappanavar
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India
| | - Shirsak Mondal
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India
| | - Jyotsna Dei
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India
| | - Basanta Kumar Das
- Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India
| | - Subhankar Mukherjee
- Centre for Development of Advance Computing, Kolkata, 700091, West Bengal, India
| | - Souvik Pal
- Centre for Development of Advance Computing, Kolkata, 700091, West Bengal, India
| | - Pabudi Weerathunge
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Rajesh Ramanathan
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Vipul Bansal
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC, 3000, Australia.
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Gahlaut A, Kharewal T, Verma N, Hooda V. Cell-free arsenic biosensors with applied nanomaterials: critical analysis. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:525. [PMID: 35737169 DOI: 10.1007/s10661-022-10127-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Arsenic is a ubiquitously found metalloid in our ecosystem because of natural and anthropogenic activities. People exposed to a higher level of arsenic become susceptible to several disorders, including cancer. According to current statistics, the population chronically exposed to arsenic has surpassed 200 million. Therefore, its detection in our environment is of great importance. There are many analytical techniques for the assessment of arsenic in different kinds of environmental samples. Among these techniques, the biosensor is considered a convenient platform and a widely applied analytical device for rapid qualitative and quantitative analysis in the field of environmental monitoring, food safety, and disease diagnosis. Today, there is a trend of including nanomaterials in sensors and biosensors because it empowers researchers to explore new arsenic detection methods and to enhance their analytical capabilities. In this review article, we summarized the latest developments in arsenic biosensors in particular with emphasis on the works based on cell-free approaches that are protein/enzyme-based, DNA-based, and aptamer-based utilizing various transduction platforms. In the meantime, we compared the capabilities that were related to these cell-free arsenic biosensors. This review article also highlights the development and application of novel nanomaterials for arsenic detection.
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Affiliation(s)
- Anjum Gahlaut
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Tannu Kharewal
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Neelam Verma
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Vikas Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
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7
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Dey D, Paul S, Nag S, Tiwari ON, Banerjee P. Exploration of Twin-Pocket Aldimine Luminophore for Ultrasensitive As3+ Recognition in Industrial Waste Waters and Cytosolic Detection by “Arseno-Selective Azomethine Hydrolysis”: A Mutual Experimental and Theoretical Corroboration. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c03627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Debanjan Dey
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
| | - Suparna Paul
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
| | - Somrita Nag
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
| | - Onkar Nath Tiwari
- Centre for Conservation and Utilization of Blue Green Algae, Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, Delhi 110012, India
| | - Priyabrata Banerjee
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
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8
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Khan ZA, Park S. AuNPs- Aβ-Ni-HRP sandwich assay: A new sensitive colorimetric method for the detection of Aβ 1-40. Talanta 2022; 237:122946. [PMID: 34736673 DOI: 10.1016/j.talanta.2021.122946] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 08/16/2021] [Accepted: 10/07/2021] [Indexed: 12/20/2022]
Abstract
Amyloid β-peptide (Aβ) is a key predictor for preclinical diagnosis of Alzheimer's disease (AD) and vascular diseases. In this work, we propose a gold nanoparticle (AuNPs)-Aβ-nickel (Ni)-horseradish peroxidase (HRP) based colorimetric assay for the detection of Aβ1-40. The consecutive binding of Aβ1-40 to AuNPs and metal ions is designed and examined for Aβ-specific aggregation of AuNPs and the generation of quantitative colorimetric signals. The affinity of Aβ1-40 towards various metal ions was studied first, and two metal ions, Cu and Ni, were specifically tested with Metal Ion-Binding Site Prediction (MIB) and High-resolution Electrospray Ionization Mass Spectrometry (HR-ESI-MS). Subsequently, the binding of Aβ1-40 and AuNPs was examined, and the binding between Aβ-AuNPs and Ni-HRP was finally analyzed by UV-Vis and nano-zetasizer. Based on the characterized dual binding of Aβ1-40, a colorimetric sandwich assay was developed and the analytical performance of the developed assay has been evaluated with standard solutions and human serum samples. Good linearity within a range from 0 nM to 10 nM was found. The detection limits of 0.22 nM in the standard sample and 0.23 nM in the human serum sample have been demonstrated. The newly developed colorimetric sandwich assay is a short, simple, antibody-free assay and achieves high sensitivity with only 100 μL Aβ1-40 samples. The assay has immense potential for the detection of Aβ1-40 in biological or biomedical diagnosis.
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Affiliation(s)
- Zeeshan A Khan
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea
| | - Seungkyung Park
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea.
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10
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Zhou C, Pan Y, Ge S, Coulon F, Yang Z. Rapid methods for antimicrobial resistance diagnosis in contaminated soils for effective remediation strategy. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116203] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Smartphone-Based Whole-Cell Biosensor Platform Utilizing an Immobilization Approach on a Filter Membrane Disk for the Monitoring of Water Toxicants. SENSORS 2020; 20:s20195486. [PMID: 32992697 PMCID: PMC7582319 DOI: 10.3390/s20195486] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/17/2022]
Abstract
Bioluminescent bacteria whole-cell biosensors (WCBs) have been widely used in a range of sensing applications in environmental monitoring and medical diagnostics. However, most of them use planktonic bacteria cells that require complicated signal measurement processes and therefore limit the portability of the biosensor device. In this study, a simple and low-cost immobilization method was examined. The bioluminescent bioreporter bacteria was absorbed on a filter membrane disk. Further optimization of the immobilization process was conducted by comparing different surface materials (polyester and parafilm) or by adding glucose and ampicillin. The filter membrane disks with immobilized bacteria cells were stored at −20 °C for three weeks without a compromise in the stability of its biosensing functionality for water toxicants monitoring. Also, the bacterial immobilized disks were integrated with smartphones-based signal detection. Then, they were exposed to water samples with ethanol, chloroform, and H2O2, as common toxicants. The sensitivity of the smartphone-based WCB for the detection of ethanol, chloroform, and H2O2 was 1% (v/v), 0.02% (v/v), and 0.0006% (v/v), respectively. To conclude, this bacterial immobilization approach demonstrated higher sensitivity, portability, and improved storability than the planktonic counterpart. The developed smartphone-based WCB establishes a model for future applications in the detection of environmental water toxicants.
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12
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Siddiqui MF, Khan ZA, Jeon H, Park S. SPE based soil processing and aptasensor integrated detection system for rapid on site screening of arsenic contamination in soil. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 196:110559. [PMID: 32259761 DOI: 10.1016/j.ecoenv.2020.110559] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 03/24/2020] [Accepted: 03/29/2020] [Indexed: 05/15/2023]
Abstract
Rapid industrialization and urbanization have resulted in serious environmental deterioration, especially in terms of heavy metal contamination in soil. Arsenic is one of the primary heavy metal contaminants in the soil and possesses a severe threat to all the plants and animals including humans. The conventional methods for analyzing arsenic contamination in soil have tedious, time-consuming sample preparation steps and require laboratory equipped instruments and skilled personnel. The present work demonstrates a novel method for arsenic As(III) detection in the contaminated soil based on field applicable sample preparation and smartphone-based optical sensing. Soil sample preparation has been simplified and optimized using acid extraction and serial application of different solid phase extraction (SPE) cartridges for the removal of interfering ions with high arsenic yield in one step. The acidic extraction and SPE efficiencies were found to be 35.4% and 54.0%, respectively, for arsenic contaminated field soil samples. The quantification of As(III) was performed by aptamer-AuNPs based colorimetric assay with a smartphone coupled optical unit. This aptasensor integrated detection system (ADS) has shown a detection limit of 14.44 ppb for aqueous samples and 1.97 ppm for field soil samples. In the accuracy comparison with ICP-MS, arsenic contaminated field soils from various sources have been tested and the results depicted a highly significant correlation coefficient of 0.997 with an average difference of 1.67 ppm. By integrating all the required analytical steps into a portable format, the presented setup enables on-site tests of arsenic contamination in soil.
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Affiliation(s)
- Mohd F Siddiqui
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea
| | - Zeeshan A Khan
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea
| | - Hyoil Jeon
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea
| | - Seungkyung Park
- School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, South Korea.
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Mao K, Zhang H, Wang Z, Cao H, Zhang K, Li X, Yang Z. Nanomaterial-based aptamer sensors for arsenic detection. Biosens Bioelectron 2019; 148:111785. [PMID: 31689596 DOI: 10.1016/j.bios.2019.111785] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/02/2019] [Accepted: 10/12/2019] [Indexed: 02/06/2023]
Abstract
Arsenic (As) is a highly toxic contaminant in the environment and a serious carcinogen for the human being. The toxicity of arsenic significantly threatens environmental and human health. The effective removing technology for arsenic remains challenging, and one of the reasons is due to the lack of powerful detection method in the complex environmental matrix. There is thus an urgent need to develop novel analytical methods for arsenic, preferably with the potential for the field-testing. To combat arsenic pollution and maintain a healthy environment and eco-system, many analytical methods have been developed for arsenic detection in various samples. Among these strategies, biosensors hold great promise for rapid detection of arsenic, in particular, nanomaterials-based aptamer sensors have attracted significant attention due to their simplicity, high sensitivity and rapidness. In this paper, we reviewed the recent development and applications of aptamer sensors (aptasensors) based-on nanomaterial for arsenic detection, in particular with emphasis on the works using optical and electrochemical technologies. We also discussed the recent novel technology in aptasensors development for arsenic detection, including nucleic acid amplification for signal enhancement and device integration for the portability of arsenic sensors. We are hoping this review could inspire further researches in developing novel nanotechnologies based aptasensors for possible on-site detection of arsenic.
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Affiliation(s)
- Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China.
| | - Zhenglu Wang
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Haorui Cao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Kuankuan Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Xiqing Li
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Zhugen Yang
- Cranfield Water Science Institute, Cranfield University, Cranfield MK43 0AL, United Kingdom.
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Zong C, Liu J. The Arsenic-Binding Aptamer Cannot Bind Arsenic: Critical Evaluation of Aptamer Selection and Binding. Anal Chem 2019; 91:10887-10893. [PMID: 31340640 DOI: 10.1021/acs.analchem.9b02789] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
An arsenic-binding aptamer named Ars-3 was reported in 2009, and it has been used for detection of As(III) in more than two dozen papers. In this work, we performed extensive binding assays using isothermal titration calorimetry, various DNA-staining dyes, and gold nanoparticles. By carefully comparing Ars-3 and a few random control DNA sequences, no specific binding of As(III) was observed in each case. Therefore, we conclude that Ars-3 cannot bind As(III). Possible reasons for some of the previously reported binding and detection were speculated to be related to the adsorption of As(III) onto gold surfaces, which were used in many related sensor designs, and As(III)/Au interactions were not considered before. The selection data in the original paper were then analyzed in terms of sequence alignment, secondary structure prediction, and dissociation constant measurement. These steps need rigorous testing before confirming specific binding of newly selected aptamers. This study calls for attention to the gap between aptamer selection and biosensor design, and the gap needs to be filled by careful binding assays to further the growth of the aptamer field.
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Affiliation(s)
- Chenghua Zong
- Department of Chemistry and Materials Science, Jiangsu Key Laboratory of Green Synthesis for Functional Materials , Jiangsu Normal University , Xuzhou , Jiangsu 221116 , P.R. China.,Department of Chemistry, Waterloo Institute for Nanotechnology , University of Waterloo , Waterloo , Ontario N2L 3G1 , Canada
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology , University of Waterloo , Waterloo , Ontario N2L 3G1 , Canada
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Chikkanna A, Mehan L, P. K. S, Ghosh D. Arsenic Exposures, Poisoning, and Threat to Human Health. ENVIRONMENTAL EXPOSURES AND HUMAN HEALTH CHALLENGES 2019. [DOI: 10.4018/978-1-5225-7635-8.ch004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Arsenic (As) is a naturally occurring metalloid which induces high toxicity to both human and animal health. Although As has some applications in industrial, medicinal and agricultural fields, the increasing concentrations of As in drinking water sources had made it a potential threat to living organisms. Inorganic As is naturally present in groundwater and is adsorbed by plants and crops through the irrigation system. This leads to its accumulation in crops and translocation to humans and animals through food. Increased levels of As can cause various health disorders through acute and chronic exposures such as gastrointestinal, hepatic, respiratory, cardiovascular, integumentary, renal, neurological, and reproductive disorders including stillbirth and infant mortality. Arsenic is also capable of inducing epigenetic changes, thereby causing gene mutations. This chapter focuses on the possible sources of As, leading to environmental contamination and followed by its hazardous effects which pave the way to various human health manifestations.
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