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Hossain MI, Khaleque MA, Ali MR, Bacchu MS, Hossain MS, Shahed SMF, Saad Aly MA, Khan MZH. Development of electrochemical sensors for quick detection of environmental (soil and water) NPK ions. RSC Adv 2024; 14:9137-9158. [PMID: 38505387 PMCID: PMC10949039 DOI: 10.1039/d4ra00034j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 02/23/2024] [Indexed: 03/21/2024] Open
Abstract
All over the world, technology is becoming more and more prevalent in agriculture. Different types of instruments are already being used in this sector. For the time being, every farmer is trying to produce more crops on a piece of land. Eventually, soil loses its nutrients; however, to grow more crops, farmers use more fertilizers without knowing the proper conditions of the soil in real time. To overcome this issue, many scientists have recently focused on developing electrochemical sensors to detect macronutrients, i.e., nitrogen (N), phosphorus (P), and potassium (K), in soil or water rapidly. In this review, we focus mainly on the recent developments in electrochemical sensors used for the detection of nutrients (NPK) in different types of samples. As it is outlined, the use of smart and portable electrochemical sensors can be helpful for the reduction of excess fertilizer and can play a vital role in maintaining suitable conditions in soils and water. We are optimistic that this review can guide researchers in the development of a portable and suitable NPK detection system for soil nutrients.
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Affiliation(s)
- M I Hossain
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
| | - M A Khaleque
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
| | - M R Ali
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
| | - M S Bacchu
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
| | - M S Hossain
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
| | - S M F Shahed
- Department of ChemisOy, Graduate School of Science, Tohohi University Aramah'-Aza- Aoba, Aoba-Kii Sendai 9S0S57S Japan
| | - M Aly Saad Aly
- Department of Electrical and Computer Engineering at Georgia Tech Shenzhen Institute (GTSI), Tianjin University Shenzhen Guangdong 5ISO52 China
| | - Md Z H Khan
- Laboratory of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology Jashore 740S Bangladesh
- Department of Chemical Engineering, Jashore University of Science and Technology (JUST) Jashore 740S Bangladesh
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Zhang T, Liu J, Zhang L, Irfan M, Su X. Recent advances in aptamer-based biosensors for potassium detection. Analyst 2023; 148:5340-5354. [PMID: 37750217 DOI: 10.1039/d3an01053h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Maintaining a stable level of potassium is crucial for proper bodily function because even a slight imbalance can result in serious disorders like hyperkalemia and hypokalemia. Therefore, detecting and monitoring potassium ion (K+) levels are of utmost importance. Various biosensors have been developed for rapid K+ detection, with aptamer-based biosensors garnering significant attention due to their high sensitivity and specificity. This review focuses on aptamer-based biosensors for K+ detection, providing an overview of their signal generation strategies, including electrochemical, field-effect transistor, nanopore, colorimetric, and fluorescent systems. The analytical performance of these biosensors is evaluated comprehensively. In addition, factors that affect their efficiency, such as their physicochemical properties, regeneration for reusability, and linkers/spacers, are listed. Lastly, this review examines the major challenges faced by aptamer-based biosensors in K+ detection and discusses potential future developments.
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Affiliation(s)
- Tengfang Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jiajia Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Linghao Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Muhammad Irfan
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
| | - Xin Su
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
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Abstract
Rapid and specific assaying of molecules that report on a pathophysiological condition, environmental pollution, or drug concentration is pivotal for establishing efficient and accurate diagnostic systems. One of the main components required for the construction of these systems is the recognition element (receptor) that can identify target analytes. Oligonucleotide switching structures, or aptamers, have been widely studied as selective receptors that can precisely identify targets in different analyzed matrices with minimal interference from other components in an antibody-like recognition process. These aptasensors, especially when integrated into sensing platforms, enable a multitude of sensors that can outperform antibody-based sensors in terms of flexibility of the sensing strategy and ease of deployment to areas with limited resources. Research into compounds that efficiently enhance signal transduction and provide a suitable platform for conjugating aptamers has gained huge momentum over the past decade. The multifaceted nature of conjugated polymers (CPs), notably their versatile electrical and optical properties, endows them with a broad range of potential applications in optical, electrical, and electrochemical signal transduction. Despite the substantial body of research demonstrating the enhanced performance of sensing devices using doped or nanostructure-embedded CPs, few reviews are available that specifically describe the use of conjugated polymers in aptasensing. The purpose of this review is to bridge this gap and provide a comprehensive description of a variety of CPs, from a historical viewpoint, underpinning their specific characteristics and demonstrating the advances in biosensors associated with the use of these conjugated polymers.
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Affiliation(s)
- Razieh Salimian
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau 64053, France
| | - Corinne Nardin
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau 64053, France
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Lucarelli V, Colbert D, Li S, Cumming M, Linklater W, Mitchell J, Travas-Sejdic J, Kralicek A. Selection and characterization of DNA aptamers for the rat major urinary protein 13 (MUP13) as selective biorecognition elements for sensitive detection of rat pests. Talanta 2021; 240:123073. [PMID: 35026634 DOI: 10.1016/j.talanta.2021.123073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 11/07/2021] [Accepted: 11/14/2021] [Indexed: 10/19/2022]
Abstract
Among invasive mammalian predators, rats represent a major threat, endangering ecosystem functioning worldwide. After rat-control operations, detecting their continued presence or reinvasion requires more sensitive and lower cost detection technologies. Here, we develop a new sensing paradigm by using a specific rat urine biomarker (MUP13) to unambiguously signal the presence of rats. As the first step towards a new remote surveillance technology, aptamers were selected to MUP13 using the Flu-Mag SELEX method. Six aptamer candidates were initially screened by dot blot and two of them (Apt-2.5 and Apt-1.4) exhibited high affinity and specificity. Both aptamers were further characterized by bead-based assay to confirm affinity and selectivity. The lead aptamer candidates were then applied to fluorescence anisotropy (FA) and surface plasmon resonance (SPR)-based biosensor platforms, showing dissociation constants in the nanomolar range and high specificity towards their target. The SPR biosensor had limits of detection of 13.8 and 7.5 nM for Apt-2.5 and Apt-1.4, respectively, which are more than three orders of magnitude lower than the physiological concentrations found in rat urine. Selectivity of the aptamers, when comparing with other major urinary proteins, was excellent, indicating strong efficacy in specific detection of rats. In order to validate the aptamer Apt-2.5 for use with real world samples a FA-based assay was performed on a rat urine sample. The assay showed that the aptamer could detect recombinant MUP13 spiked in filtered urine and the natural MUP13 in unfiltered urine, as a first step into translation to real world application. These are the first known assays to detect and quantify a MUP biomarker of rats.
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Affiliation(s)
- Valentina Lucarelli
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand; Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland, 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington, 6140, New Zealand
| | - Damon Colbert
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand
| | - Shiwei Li
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand
| | - Mathew Cumming
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand
| | - Wayne Linklater
- Department of Environmental Studies, California State University, Sacramento, California, USA
| | - John Mitchell
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand
| | - Jadranka Travas-Sejdic
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland, 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington, 6140, New Zealand.
| | - Andrew Kralicek
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand.
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Cheema JA, Carraher C, Plank NOV, Travas-Sejdic J, Kralicek A. Insect odorant receptor-based biosensors: Current status and prospects. Biotechnol Adv 2021; 53:107840. [PMID: 34606949 DOI: 10.1016/j.biotechadv.2021.107840] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/02/2021] [Accepted: 09/27/2021] [Indexed: 02/01/2023]
Abstract
Whilst the senses of vision and hearing have been successfully automated and miniaturized in portable formats (e.g. smart phone), this is yet to be achieved with the sense of smell. This is because the sensing challenge is not trivial as it involves navigating a chemosensory space comprising thousands of volatile organic compounds. Distinct aroma recognition is based on detecting unique combinations of volatile organic compounds. In natural olfactory systems this is accomplished by employing odorant receptors (ORs) with varying specificities, together with combinatorial neural coding mechanisms. Attempts to mimic the remarkable sensitivity and accuracy of natural olfactory systems has therefore been challenging. Current portable chemical sensors for odorant detection are neither sensitive nor selective, prompting research exploring artificial olfactory devices that use natural OR proteins for sensing. Much research activity to develop OR based biosensors has concentrated on mammalian ORs, however, insect ORs have not been explored as extensively. Insects possess an extraordinary sense of smell due to a repertoire of odorant receptors evolved to interpret olfactory cues vital to the insects' survival. The potential of insect ORs as sensing elements is only now being unlocked through recent research efforts to understand their structure, ligand binding mechanisms and development of odorant biosensors. Like their mammalian counterparts, there are many challenges with working with insect ORs. These include expression, purification and presentation of the insect OR in a stable display format compatible with an effective transduction methodology while maintaining OR structure and function. Despite these challenges, significant progress has been demonstrated in developing OR-based biosensors which exploit insect ORs in cells, lipid bilayers, liposomes and nanodisc formats. Ultrasensitive and highly selective detection of volatile organic compounds has been validated by coupling these insect OR display formats with transduction methodologies spanning optical (fluorescence) and electrical (field effect transistors, electrochemical impedance spectroscopy) techniques. This review summarizes the current status of insect OR based biosensors and their future outlook.
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Affiliation(s)
- Jamal Ahmed Cheema
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand; The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand
| | - Colm Carraher
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand
| | - Natalie O V Plank
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand; School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand
| | - Jadranka Travas-Sejdic
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand.
| | - Andrew Kralicek
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand; Scentian Bio Limited, 1c Goring Road, Sandringham, Auckland 1025, New Zealand.
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Du Y, Liu D, Wang M, Guo F, Lin JS. Preparation of DNA aptamer and development of lateral flow aptasensor combining recombinase polymerase amplification for detection of erythromycin. Biosens Bioelectron 2021; 181:113157. [PMID: 33756378 DOI: 10.1016/j.bios.2021.113157] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 02/07/2023]
Abstract
Erythromycin has polluted our aquatic environment for decades, leading to the risk of bacterial resistance and harmful effects on human beings, wildlife and ecosystem. There is an urgent demand of developing a portable tool capable of detecting erythromycin on site. In this study, ten aptamer candidates against erythromycin were prepared through Capture-SELEX (systematic evolution of ligands by exponential enrichment) process in 20 rounds. Aptamer candidate Ery_06 with the highest enrichment was chosen for further study, whose affinity was characterized by gold nanoparticles colorimetric assay, quartz crystal microbalance with dissipation and agarose chasing diffusion assay. It was determined by SYBR Green I fluorimetric assay that the characterized aptamer binds to erythromycin with high affinity (Kd: 20 ± 9 nM). Its specificity was also characterized by distinguishing erythromycin from different antibiotics tested. A novel lateral flow aptasensor was constructed by using the newly identified aptamer combined with recombinase polymerase amplification (RPA) and lateral flow strip (LFS). Aptamer acted as a sensing element anchoring on the surface of solid phase could be eluted by erythromycin. RPA functioned to amplify and convert the signal to be visible on LFS. The lateral flow was completed in 15 min, achieving a detection limit of 3 pM. The application feasibility of the aptasensor was proved by the detection of tap water samples spiked with erythromycin.
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Affiliation(s)
- Yepeng Du
- School of Clinical Medicine, Huaqiao University, Quanzhou Campus, 363021, Fujian, China
| | - Dan Liu
- School of Clinical Medicine, Huaqiao University, Xiamen Campus, 361021, Fujian, China
| | - Min Wang
- University Hospital, Huaqiao University, Quanzhou Campus, 363021, Fujian, China
| | - Fangke Guo
- School of Clinical Medicine, Huaqiao University, Quanzhou Campus, 363021, Fujian, China
| | - Jun Sheng Lin
- School of Clinical Medicine, Huaqiao University, Quanzhou Campus, 363021, Fujian, China.
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Zhang D, Li C, Ji D, Wang Y. Paper-Based Microfluidic Sensors for Onsite Environmental Detection: A Critical Review. Crit Rev Anal Chem 2021; 52:1432-1449. [PMID: 33660571 DOI: 10.1080/10408347.2021.1886900] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A newly developed research topic, fabricated paper-based microfluidic sensors, was discussed in the field of low-cost environmental detection. Distinguished with the traditional dipstick or lateral-flow setups, these paper-based microfluidic sensors can serve as a tool for onsite quantitative and semi-quantitative measurements, without risks to cause environmental pollution. They have attracted increasing interest since the first easy-fabricated paper-based setup reported by Whitesides group in 2007. Most of the publications utilized paper-based sensors in clinical detection. In recent years, some groups started to use these sensors in environmental measurement, leading to precise, easy operation, low-cost, and eco-friendly methods for onsite detection. In this review, paper-based microfluidic sensors were briefly introduced, followed by literatures review and discussion for future perspectives.
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Affiliation(s)
- Daohong Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China.,Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin, China
| | - Chaocan Li
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China.,Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin, China
| | - Dongli Ji
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China.,Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin, China
| | - Yufei Wang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China.,Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin, China
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8
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Song Z, Ma Y, Morrin A, Ding C, Luo X. Preparation and electrochemical sensing application of porous conducting polymers. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116155] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Heydari M, Gholoobi A, Ranjbar G, Rahbar N, Sany SBT, Mobarhan MG, Ferns GA, Rezayi M. Aptamers as potential recognition elements for detection of vitamins and minerals: a systematic and critical review. Crit Rev Clin Lab Sci 2019; 57:126-144. [PMID: 31680587 DOI: 10.1080/10408363.2019.1678566] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background: Vitamin and mineral deficiencies are prevalent globally, and extensive efforts have been made to assess their status. Most traditional methods are expensive and time-consuming; therefore, developments of rapid, simple, specific, and sensitive methods for the assessment of vitamins and minerals in biological samples are of high importance in research. Aptamers are synthetic nucleic acid single-stranded DNA or RNA that can be synthesized in vitro. They can be engineered to be analyte-specific and have been suggested as a substitute for monoclonal antibodies, due to their high sensitivity and affinity. In addition, aptamers can be chemically synthesized and readily modified for use as biosensors. These features make aptamers a promising tool for the detection of biological analytes. In this review, we provide an overview of the potential use of aptamer-based biosensors.Methods: Search terms were conducted on several online databases, including Google Scholar, PubMed, Scopus, and Science Direct from January 2000 to August 2019. Eligibility criteria were used and quality evaluation was performed. Following the review of 4349 articles, 39 articles met the inclusion criteria.Results: Aptasensors have recently been developed for the detection of vitamins by using optical methods, with a detection range from 74 pM to 204 pM, and lower limit of detection of 2.4 pM. Both electrochemical and optical methods have been used for detection of minerals, however electrochemical methods show a wider linear range and lower detection limits compared to optical methods with a wide linear range from 0.2 fM to 1.0 mM and limit of detection of 14.7 fM.Conclusion: The current report reviews recent developments in aptamer-based biosensors for detection of vitamins and minerals. Studies have shown that aptasensors' properties are suitable for the quantification of vitamins and minerals with high sensitivity, affinity, and specificity. Nevertheless, the limitations and future directions of aptamers require further research and new technological innovation.
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Affiliation(s)
- Maryam Heydari
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Aida Gholoobi
- Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Golnaz Ranjbar
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nadereh Rahbar
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Medicinal Chemistry Departments, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyedeh Belin Tavakoly Sany
- Department of Health Education and Health Promotion, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Ghayour Mobarhan
- Metabolic Syndrome Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Division of Medical Education, Brighton & Sussex Medical School, Brighton, UK
| | - Majid Rezayi
- Metabolic Syndrome Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biotechnology and Nanotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Dakshayini B, Reddy KR, Mishra A, Shetti NP, Malode SJ, Basu S, Naveen S, Raghu AV. Role of conducting polymer and metal oxide-based hybrids for applications in ampereometric sensors and biosensors. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.061] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Anantha-Iyengar G, Shanmugasundaram K, Nallal M, Lee KP, Whitcombe MJ, Lakshmi D, Sai-Anand G. Functionalized conjugated polymers for sensing and molecular imprinting applications. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2018.08.001] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Chai H, Ma X, Meng F, Mei Q, Tang Y, Miao P. Electrochemical aptasensor based on a potassium ion-triggered DNA conformation transition and self-assembly on an electrode. NEW J CHEM 2019. [DOI: 10.1039/c9nj00158a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A sensitive and selective electrochemical aptasensor was developed for the detection of potassium ions based on a simple sensing principle and straightforward operation.
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Affiliation(s)
- Hua Chai
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
| | - Xiaoyi Ma
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- University of Science and Technology of China
| | - Fanyu Meng
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- University of Science and Technology of China
| | - Qian Mei
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Tianjin Guokeyigong Science & Technology Development Co., Ltd
- Tianjin 300399
| | - Yuguo Tang
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
| | - Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- Tianjin Guokeyigong Science & Technology Development Co., Ltd
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13
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Naderi M, Hosseini M, Ganjali MR. Naked-eye detection of potassium ions in a novel gold nanoparticle aggregation-based aptasensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 195:75-83. [PMID: 29414585 DOI: 10.1016/j.saa.2018.01.051] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 01/10/2018] [Accepted: 01/16/2018] [Indexed: 05/27/2023]
Abstract
In this work, we studied the feasibility of interaction among gold nanoparticles (AuNPs) and a cationic dye in an aptasensor system for the detection of potassium ions. The presence and absence of potassium in the solution was distinguishable by different colors (between orange and green) appeared after reaction. Cationic dye (Y5GL) acts as a new aggregator for AuNP-based sensors which changes the aggregated AuNP solution color from blue-purple to green. In the presence of K+ ions, the aptamer dissociated from the surface of the AuNP so that free AuNPs and cationic dye make the solution green. The aptasensor showed that the analytical linear range was from 10 nM to 50 mM and the detection limit was 4.4 nM. Also, we examined the practicality of this method on a simple paper based platform. The linear range of the colorimetric paper sensor covered of K+ concentration from 10 μM to 40 mM and the detection limit of 6.2 μM was obtained. The selectivity of AuNP aggregation-based sensor improved by the use of cationic dye. Rapidity, simplicity, high sensitivity and excellent selectivity made this assay suitable for practical determination of K+ in real urine samples.
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Affiliation(s)
- Mahboube Naderi
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Morteza Hosseini
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran; Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran; Biosensor Research Center, Endocrinology & Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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14
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Zhu B, Travas-Sejdic J. PNA versus DNA in electrochemical gene sensing based on conducting polymers: study of charge and surface blocking effects on the sensor signal. Analyst 2018; 143:687-694. [PMID: 29297913 DOI: 10.1039/c7an01590a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In this communication, we present an in-depth study of DNA/DNA, DNA/PNA and PNA/PNA hybridisation on a conducting polymer-modified electrode, measured by means of electrochemical impedance spectroscopy (EIS). DNA or PNA nucleic base sequence probes (where DNA stands for deoxyribonucleic acid and PNA for peptide nucleic acid) were covalently attached onto the sensor surface. As PNA is a non-charged variant of DNA, we investigate the effects of the surface charge and surface blocking by the surface confined probe/target nucleic bases complexes onto the kinetics of redox reaction of Fe(CN)63-/4- couple occurring at the electrode/solution interface that provides electrochemical readout for hybridisation. A range of hybridisation detection experiments were performed, where the surface charge and surface charge density were varied, through varying the charged nature of the probe and the target (i.e. PNA or DNA) and the density of surface-bound PNA and DNA probes. To further the understanding of these effects on the measured electrochemical signal, kinetic studies of the hybridisation reactions were undertaken, and the equilibrium binding constants and binding rate constants for the hybridisation reactions were obtained. The study provides valuable insights to guide future designs of biosensors.
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Affiliation(s)
- Bicheng Zhu
- Polymer Electronics Research Centre, School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
| | - Jadranka Travas-Sejdic
- Polymer Electronics Research Centre, School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
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15
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Reich P, Stoltenburg R, Strehlitz B, Frense D, Beckmann D. Development of An Impedimetric Aptasensor for the Detection of Staphylococcus aureus. Int J Mol Sci 2017; 18:ijms18112484. [PMID: 29160851 PMCID: PMC5713450 DOI: 10.3390/ijms18112484] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 11/13/2017] [Accepted: 11/13/2017] [Indexed: 12/19/2022] Open
Abstract
In combination with electrochemical impedance spectroscopy, aptamer-based biosensors are a powerful tool for fast analytical devices. Herein, we present an impedimetric aptasensor for the detection of the human pathogen Staphylococcus aureus. The used aptamer targets protein A, a surface bound virulence factor of S. aureus. The thiol-modified protein A-binding aptamer was co-immobilized with 6-mercapto-1-hexanol onto gold electrodes by self-assembly. Optimization of the ratio of aptamer to 6-mercapto-1-hexanol resulted in an average density of 1.01 ± 0.44 × 1013 aptamer molecules per cm². As shown with quartz crystal microbalance experiments, the immobilized aptamer retained its functionality to bind recombinant protein A. Our impedimetric biosensor is based on the principle that binding of target molecules to the immobilized aptamer decreases the electron transfer between electrode and ferri-/ferrocyanide in solution, which is measured as an increase of impedance. Microscale thermophoresis measurements showed that addition of the redox probe ferri-/ferrocyanide has no influence on the binding of aptamer and its target. We demonstrated that upon incubation with various concentrations of S. aureus, the charge-transfer resistance increased proportionally. The developed biosensor showed a limit of detection of 10 CFU·mL-1 and results were available within 10 minutes. The biosensor is highly selective, distinguishing non-target bacteria such as Escherichia coli and Staphylococcus epidermidis. This work highlights the immense potential of impedimetric aptasensors for future biosensing applications.
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Affiliation(s)
- Peggy Reich
- Institut für Bioprozess- und Analysenmesstechnik e.V., 37308 Heilbad Heiligenstadt, Germany.
| | | | - Beate Strehlitz
- UFZ-Helmholtz Centre for Environmental Research, 04318 Leipzig, Germany.
| | - Dieter Frense
- Institut für Bioprozess- und Analysenmesstechnik e.V., 37308 Heilbad Heiligenstadt, Germany.
| | - Dieter Beckmann
- Institut für Bioprozess- und Analysenmesstechnik e.V., 37308 Heilbad Heiligenstadt, Germany.
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Pramanik A, Chavva SR, Viraka Nellore BP, May K, Matthew T, Jones S, Vangara A, Ray PC. Development of a SERS Probe for Selective Detection of Healthy Prostate and Malignant Prostate Cancer Cells Using Zn II. Chem Asian J 2017; 12:665-672. [PMID: 28102565 PMCID: PMC5399513 DOI: 10.1002/asia.201601685] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/18/2017] [Indexed: 12/12/2022]
Abstract
Even in the 21st century, prostate cancer remains the second leading cause of cancer-related death for men. Since a normal prostate gland has a high ZnII content and there are huge differences in ZnII content between healthy and malignant prostate cancer cells, mobile zinc can be used as a biomarker for prostate cancer prediction. A highly efficient surface enhanced Raman spectroscopy (SERS) probe using a p-(imidazole)azo)benzenethiol attached gold nanoparticle as a Raman reporter, which has the capability to identify prostate cancer cells based on ZnII sensing, has been designed. A facile synthesis, characterization and evaluation of a ZnII sensing Raman probe are described. Reported data indicate that after binding with ZnII , Raman reporter attached to a gold nanoparticle forms an assembly structure, which allows selective detection of ZnII even at 100 ppt concentration. Theoretical full-wave finite-difference time-domain (FDTD) simulations have been used to understand the enhancement of the SERS signal. The SERS probe is highly promising for in vivo sensing of cancer, where near-IR light can be easily used to avoid tissue autofluorescence and to enhance tissue penetration depth. Reported data show that the SERS probe can distinguish metastatic cancer cells from normal prostate cells very easily with a sensitivity as low as 5 cancer cells mL-1 . The probe can be used as a chemical toolkit for determining mobile ZnII concentrations in biological samples.
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Affiliation(s)
- Avijit Pramanik
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | - Suhash Reddy Chavva
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | | | - Kelli May
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | - Tejus Matthew
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | - Stacy Jones
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | - Aruna Vangara
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
| | - Paresh Chandra Ray
- Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS, 39217, USA
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17
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Zheng HY, Alsager OA, Zhu B, Travas-Sejdic J, Hodgkiss JM, Plank NOV. Electrostatic gating in carbon nanotube aptasensors. NANOSCALE 2016; 8:13659-13668. [PMID: 27376166 DOI: 10.1039/c5nr08117c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Synthetic DNA aptamer receptors could boost the prospects of carbon nanotube (CNT)-based electronic biosensors if signal transduction can be understood and engineered. Here, we report CNT aptasensors for potassium ions that clearly demonstrate aptamer-induced electrostatic gating of electronic conduction. The CNT network devices were fabricated on flexible substrates via a facile solution processing route and non-covalently functionalised with potassium binding aptamers. Monotonic increases in CNT conduction were observed in response to increasing potassium ion concentration, with a level of detection as low as 10 picomolar. The signal was shown to arise from a specific aptamer-target interaction that stabilises a G-quadruplex structure, bringing high negative charge density near the CNT channel. Electrostatic gating is established via the specificity and the sign of the current response, and by observing its suppression when higher ionic strength decreases the Debye length at the CNT-water interface. Sensitivity towards potassium and selectivity against other ions is demonstrated in both resistive mode and real time transistor mode measurements. The effective device architecture presented, along with the identification of clear response signatures, should inform the development of new electronic biosensors using the growing library of aptamer receptors.
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Affiliation(s)
- Han Yue Zheng
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
| | - Omar A Alsager
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
| | - Bicheng Zhu
- Polymer Electronics Research Centre (PERC), School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
| | - Jadranka Travas-Sejdic
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand and Polymer Electronics Research Centre (PERC), School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
| | - Justin M Hodgkiss
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
| | - Natalie O V Plank
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand. and The MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
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