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Abdollahi-Najafabadi M, Farhadian S, Shareghi B, Asgharzadeh S. The investigation of the interaction determination between carbendazim and elastase, using both in vitro and in silico methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 319:124586. [PMID: 38833886 DOI: 10.1016/j.saa.2024.124586] [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: 11/23/2023] [Revised: 05/28/2024] [Accepted: 06/01/2024] [Indexed: 06/06/2024]
Abstract
Pesticides, including fungicides, are one of the important groups of environmental toxins that affect human and animal health. Studies have shown that these compounds are considered chemical pollutants. Carbendazim is a systemic fungicide. Unfortunately, excessive use of carbendazim has caused environmental pollution all over the world. In this study, the effect of carbendazim on the enzyme elastase (secreted from the endocrine gland of the pancreas) has been investigated. In a study, the performance and reaction of carbendazim with elastase were investigated using spectroscopic techniques. The stability and structure of elastase enzymes were studied under the influence of carbendazim. The results of fluorescence emission and UV-visible absorption spectrum showed that in the presence of carbendazim, there is an increase in UV-Vis absorption and a decrease in the intensity of the intrinsic fluorescence emission in the protein spectrum. Additionally, a decrease in the thermal stability of elastase was observed in the presence of carbendazim. The stability and structure of elastase enzyme were investigated in the presence of carbendazim. The results revealed that the UV-Vis absorption increased due to the presence of carbendazim, as indicated by the hyperchromic spectrum at 220 and 280 nm peaks. Additionally, the intrinsic fluorescence emission in the protein spectrum decreased with increasing carbendazim concentration at three different temperatures (298, 303, and 313 K). Moreover, the study demonstrated that the TM decreased from 2.59 to 4.58 with the increase of carbendazim, suggesting a decrease in the stability of the elastase structure in response to the elevated carbendazim concentration. According to the results of the research, the interaction between elastase and carbendazim has occurred, and changes have been made in the enzyme under the influence of carbendazim. The formation of the complex between elastase and carbendazim was consistent with the results obtained from molecular simulation and confirmed the thermodynamic data.
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Affiliation(s)
| | - Sadegh Farhadian
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box 115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran.
| | - Behzad Shareghi
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box 115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran
| | - Sanaz Asgharzadeh
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box 115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran
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2
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Alharbi M, Rhouati A, Zourob M. Selection of DNA aptamer for label-free electrochemical aptasensor for the detection of rubella virus. Talanta 2024; 278:126470. [PMID: 38996565 DOI: 10.1016/j.talanta.2024.126470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 06/18/2024] [Accepted: 06/22/2024] [Indexed: 07/14/2024]
Abstract
The Rubella virus (RUBV) is a highly contagious pathogen classified within the rubivirus genus, primarily infecting humans and transmitted via airborne routes. RUBV infection generally manifests as a mild illness reminiscent of measles. However, when affecting pregnant women, it can lead to a severe condition known as congenital rubella syndrome (CRS). Rubella infection could be also associated with joint pain, arthritis, and neurological disorders. Determination of Rubella immunity and diagnosis conventionally involve the Hemagglutination Inhibition (HI) test or the Enzyme-Linked Immunosorbent Assay (ELISA). In this study, we describe the selection and characterization of specific aptamers targeting the Rubella virus by using the process of Systematic Evolution of Ligands by EXponantial enrichment (SELEX). The Binding affinity studies have shown that the two aptamers; R-7 and R-5 display the lowest dissociation constants (Kd) of 6.58 nM and 19.05 nM, respectively. Then, R-7 aptamer was modified with a thiol group to enable its immobilization on screen-printed gold electrodes for the Rubella virus aptasensing. The label-free electrochemical detection was achieved using square wave voltammetry (SWV). The designed aptasensor has shown an excellent performance in detecting the Rubella virus within the range of 0.0005 ng/ml to 1000 ng/ml antigen and a limit of detection (LOD) of 0.00015 ng/ml. Selectivity studies were also performed against other viral antigens and serum proteins. Finally, the biosensor applicability was successfully demonstrated in spiked serum samples.
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Affiliation(s)
- Maha Alharbi
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh, 11533, Saudi Arabia
| | - Amina Rhouati
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh, 11533, Saudi Arabia
| | - Mohammed Zourob
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh, 11533, Saudi Arabia.
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3
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Almenhali AZ, Eissa S. Aptamer-based biosensors for the detection of neonicotinoid insecticides in environmental samples: A systematic review. Talanta 2024; 275:126190. [PMID: 38703483 DOI: 10.1016/j.talanta.2024.126190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/29/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Neonicotinoids, sometimes abbreviated as neonics, represent a class of neuro-active insecticides with chemical similarities to nicotine. Neonicotinoids are the most widely adopted group of insecticides globally since their discovery in the late 1980s. Their physiochemical properties surpass those of previously established insecticides, contributing to their popularity in various sectors such as agriculture and wood treatment. The environmental impact of neonicotinoids, often overlooked, underscores the urgency to develop tools for their detection and understanding of their behavior. Conventional methods for pesticide detection have limitations. Chromatographic techniques are sensitive but expensive, generate waste, and require complex sample preparation. Bioassays lack specificity and accuracy, making them suitable as preliminary tests in conjunction with instrumental methods. Aptamer-based biosensor is recognized as an advantageous tool for neonicotinoids detection due to its rapid response, user-friendly nature, cost-effectiveness, and suitability for on-site detection. This comprehensive review represents the inaugural in-depth analysis of advancements in aptamer-based biosensors targeting neonicotinoids such as imidacloprid, thiamethoxam, clothianidin, acetamiprid, thiacloprid, nitenpyram, and dinotefuran. Additionally, the review offers valuable insights into the critical challenges requiring prompt attention for the successful transition from research to practical field applications.
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Affiliation(s)
- Asma Zaid Almenhali
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, P.O. Box 127788, United Arab Emirates
| | - Shimaa Eissa
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, P.O. Box 127788, United Arab Emirates; Center for Catalysis and Separations, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates.
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4
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Ryu JJ, Jang CH. Label-free, liquid crystal-based aptasensor for detecting carbendazim at picomolar levels. Food Chem 2024; 445:138789. [PMID: 38394911 DOI: 10.1016/j.foodchem.2024.138789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024]
Abstract
We describe a simple and sensitive liquid-crystal (LC)-based method for quantifying carbendazim (CBZ) by exploiting aptamer-specific recognition at the aqueous-LC interface. The method relies on the interfacial interaction between an aptamer and cetyltrimethylammonium bromide (CTAB); this interaction varies depending on the amount of CBZ. In the absence of CBZ, the aptamer disrupts the CTAB monolayer through electrostatic attraction, leading to a transition from homeotropic to tilted ordering of the LCs. As CBZ concentrations rise, the formation of aptamer-CBZ complexes increases, preserving the vertical alignment of the LCs by reducing collapse of the CTAB layer caused by electrostatic interactions. Using these methods, we achieved a CBZ detection limit of 3.12 pM (0.000597 μg/L) over a linear range of 0.05-5 nM. Moreover, we quantified CBZ levels in peach, soil, and tap water samples. Our LC-based detection method has significant research potential, offering sensitive, and straightforward detection of CBZ.
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Affiliation(s)
- Je-Jin Ryu
- Department of Chemistry, Gachon University, Seongnam-daero 1342, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Chang-Hyun Jang
- Department of Chemistry, Gachon University, Seongnam-daero 1342, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea.
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5
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Alhindawi M, Rhouati A, Noordin R, Cialla-May D, Popp J, Zourob M. Selection of ssDNA aptamers and construction of aptameric electrochemical biosensor for the detection of Giardia intestinalis trophozoite protein. Int J Biol Macromol 2024; 267:131509. [PMID: 38608978 DOI: 10.1016/j.ijbiomac.2024.131509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/28/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
Giardia intestinalis is one of the most widespread intestinal parasites and is considered a major cause of epidemic or sporadic diarrhea worldwide. In this study, we aimed to develop a rapid aptameric diagnostic technique for G. intestinalis infection. First, the SELEX (Systematic Evolution of Ligands by Exponential Enrichment) process generated DNA aptamers specific to a recombinant protein of the parasite's trophozoite. Ten selection rounds were performed; each round, the DNA library was incubated with the target protein conjugated to Sepharose beads. Then, the unbound sequences were removed by washing and the specific sequences were eluted and amplified by Polymerase Chain Reaction (PCR). Two aptamers were selected, and the dissociation constants (Kd), were determined as 2.45 and 16.95 nM, showed their high affinity for the G. intestinalis trophozoite protein. Subsequently, the aptamer sequence T1, which exhibited better affinity, was employed to develop a label-free electrochemical biosensor. A thiolated aptamer was covalently immobilized onto a gold screen-printed electrode (SPGE), and the binding of the targeted protein was monitored using square wave voltammetry (SWV). The developed aptasensor enabled accurate detection of the G. intestinalis recombinant protein within the range of 0.1 pg/mL to 100 ng/mL, with an excellent sensitivity (LOD of 0.35 pg/mL). Moreover, selectivity studies showed a negligible cross-reactivity toward other proteins such as bovine serum albumin, globulin, and G. intestinalis cyst protein.
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Affiliation(s)
- Mohammed Alhindawi
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh 11355, Saudi Arabia
| | - Amina Rhouati
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh 11355, Saudi Arabia
| | - Rahmah Noordin
- Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia; Institute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800 Penang, Malaysia
| | - Dana Cialla-May
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University, Jena, Germany; Leibniz Institute of Photonic Technology, Member of Leibniz Health Technologies, Member of the Leibniz Centre for Photonics in Infection Research (LPI), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Jürgen Popp
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University, Jena, Germany; Leibniz Institute of Photonic Technology, Member of Leibniz Health Technologies, Member of the Leibniz Centre for Photonics in Infection Research (LPI), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Mohammed Zourob
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh 11355, Saudi Arabia.
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Santiago-Maldonado X, Rodríguez-Martínez JA, López L, Cunci L, Bayro M, Nicolau E. Selection, characterization, and biosensing applications of DNA aptamers targeting cyanotoxin BMAA. RSC Adv 2024; 14:13787-13800. [PMID: 38681844 PMCID: PMC11046380 DOI: 10.1039/d4ra02384f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/19/2024] [Indexed: 05/01/2024] Open
Abstract
Scientists have established a connection between environmental exposure to toxins like β-N-methylamino-l-alanine (BMAA) and a heightened risk of neurodegenerative disorders. BMAA is a byproduct from certain strains of cyanobacteria that are present in ecosystems worldwide and is renowned for its bioaccumulation and biomagnification in seafood. The sensitivity, selectivity, and reproducibility of the current analytical techniques are insufficient to support efforts regarding food safety and environment monitoring adequately. This work outlines the in vitro selection of BMAA-specific DNA aptamers via the systematic evolution of ligands through exponential enrichment (SELEX). Screening and characterization of the full-length aptamers was achieved using the SYBR Green (SG) fluorescence displacement assay. Aptamers BMAA_159 and BMAA_165 showed the highest binding affinities, with dissociation constants (Kd) of 2.2 ± 0.1 μM and 0.32 ± 0.02 μM, respectively. After truncation, the binding affinity was confirmed using a BMAA-conjugated fluorescence assay. The Kd values for BMAA_159_min and BMAA_165_min were 6 ± 1 μM and 0.63 ± 0.02 μM, respectively. Alterations in the amino proton region studied using solution nuclear magnetic resonance (NMR) provided further evidence of aptamer-target binding. Additionally, circular dichroism (CD) spectroscopy revealed that BMAA_165_min forms hybrid G-quadruplex (G4) structures. Finally, BMAA_165_min was used in the development of an electrochemical aptamer-based (EAB) sensor that accomplished sensitive and selective detection of BMAA with a limit of detection (LOD) of 1.13 ± 0.02 pM.
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Affiliation(s)
- Xaimara Santiago-Maldonado
- Department of Chemistry, University of Puerto Rico San Juan PR 00925-2437 USA +1-787-522-2150 +1-787-292-9820
| | | | - Luis López
- Department of Chemistry, University of Puerto Rico San Juan PR 00925-2437 USA +1-787-522-2150 +1-787-292-9820
| | - Lisandro Cunci
- Department of Chemistry, University of Puerto Rico San Juan PR 00925-2437 USA +1-787-522-2150 +1-787-292-9820
| | - Marvin Bayro
- Department of Chemistry, University of Puerto Rico San Juan PR 00925-2437 USA +1-787-522-2150 +1-787-292-9820
- Molecular Science Research Center, University of Puerto Rico San Juan 00931-3346 USA
| | - Eduardo Nicolau
- Department of Chemistry, University of Puerto Rico San Juan PR 00925-2437 USA +1-787-522-2150 +1-787-292-9820
- Molecular Science Research Center, University of Puerto Rico San Juan 00931-3346 USA
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7
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Yang D, Li X, Li X, Chen J, Zhang T, Lian T, Wang H. Design and synthesis of nano-iron oxyhydroxide-based molecularly imprinted electrochemical sensors for trace-level carbendazim detection in actual samples. Mikrochim Acta 2024; 191:163. [PMID: 38413431 DOI: 10.1007/s00604-024-06236-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/24/2024] [Indexed: 02/29/2024]
Abstract
Carbendazim (CBD) is widely used as a fungicide that acts as a pesticide in farming to prevent crop diseases. However, CBD can remain on crops for a long time. When consumed by humans and animals, it produces a range of toxic symptoms and poses a serious threat to their health. Therefore, the detection of CBD is necessary. Traditional assay strategies for CBD detection, although sensitive and practical, can hardly achieve fast, robust monitoring during food processing and daily life. Here, we designed a novel electrochemical sensor for CBD detection. In this method, iron oxyhydroxide nanomaterial (β-FeOOH) was first prepared by hydrothermal method. Then, a molecularly imprinted polymer (MIP) layer was electropolymerized on the surface using CBD as the template and resorcinol (RC) as the functional monomer. The synergistic interaction between β-FeOOH and MIP endows the MIP/β-FeOOH/CC-based electrochemical sensor with high specificity and sensitivity. Under optimal conditions, the MIP/β-FeOOH/CC-based sensor showed a wide linear range of 39 pM-80 nM for CBD and a detection limit as low as 25 pM. Therefore, the as-prepared sensor can be a practical and effective tool for pesticide residue detection.
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Affiliation(s)
- Dong Yang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China.
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China.
| | - Xuhua Li
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China
| | - Xiangyu Li
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China
| | - Jifan Chen
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China
| | - Ting Zhang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China
| | - Ting Lian
- School of Clinical Medicine, Xi'an Medical University, Xi'an, 710021, China
| | - Haihua Wang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science & Technology, Xi'an, 710021, China.
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an, 710021, China.
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8
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Wei X, Song W, Fan Y, Sun Y, Li Z, Chen S, Shi J, Zhang D, Zou X, Xu X. A SERS aptasensor based on a flexible substrate for interference-free detection of carbendazim in apple. Food Chem 2024; 431:137120. [PMID: 37582324 DOI: 10.1016/j.foodchem.2023.137120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/17/2023]
Abstract
Non-destructive and interference-free monitoring of pesticide residue on the surface of fruits is still a challenge. Herein, a SERS aptasensor based on a flexible substrate was established for effective carbendazim (CBZ) detection on apple peel. In this sensor, electrospun PVDF/CQDs film served as a flexible supporting substrate. AuNS@Ag was liquid-liquid self-assembled on the PVDF/CQDs film to form a uniform and highly active SERS substrate. During the detection process, aptamers specifically capture the CBZ molecules, while nitrile-mediated Raman tag (MMBN) linked to AuNPs provided optical anti-interference signals. The results showed that the developed sensor had high sensitivity, selectivity, reproducibility, and stability for CBZ detection. Importantly, the flexibility of the SERS substrate helped the sensor realize non-invasive CBZ detection at a concentration as low as 1.20 ng/cm2 on apple peel, which is much lower than the maximum residue limits of CBZ in apples.
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Affiliation(s)
- Xiaoou Wei
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Wenjun Song
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yushan Fan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yue Sun
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Zhihua Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Shiqi Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China; Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing 401121, PR China
| | - Jiyong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Di Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China; Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing 401121, PR China.
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Xuechao Xu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
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9
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Khosropour H, Keramat M, Laiwattanapaisal W. A dual action electrochemical molecularly imprinted aptasensor for ultra-trace detection of carbendazim. Biosens Bioelectron 2024; 243:115754. [PMID: 37857063 DOI: 10.1016/j.bios.2023.115754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Carbendazim is often used in agriculture to prevent crop diseases, even though it has been associated with health concerns. To ensure the safety of food products and comply with environmental regulations, an ultrasensitive method for carbendazim determination must be developed. In this study, a new electrochemical molecularly imprinted polymer-aptasensor based on hemin-Al-metal organic framework@gold nanoparticles (H-Al-MOF@AuNPs) was developed for sensitive and selective carbendazim detection. Hemin linked to the surface of the Al-metal organic framework also possesses outstanding peroxidase-like qualities that can electrocatalyse the reduction of H2O2. Thus, H-Al-MOF functions as an in-situ probe. Additionally, AuNPs offer many binding sites to load carbendazim aptamers and create an imprinted polymer-aptasensing interface. Dopamine is the chemical functional monomer in the electropolymerised film, while carbendazim is the template molecule. Thus, compared to the molecularly imprinted polymer or aptasensor alone, the molecularly imprinted polymer-aptasensor showed greater selectivity due to the synergistic action of the polymer and carbendazim aptamer towards carbendazim. A decrease in peak current was observed by differential pulse voltammetry (DPV) and chronoamperometry (CA) as the concentration of carbendazim increased. This possibly resulted from carbendazim connecting to the carbendazim aptamer and simultaneously blocking the imprinted polymer cavities on the surface of the modified electrode, which reduced the transfer of electrons. Signals were observed for hemin DPV and H2O2 catalytic reduction CA. DPV and CA showed that the linear ranges for carbendazim were 0.3 fmol L-1-10 pmol L-1 and 0.7 fmol L-1-10 pmol L-1, respectively, with limits of detection of 80 and 300 amol L-1. Satisfactory recoveries were obtained with tap water, apple juice, and tomato juice samples, demonstrating that the proposed sensor has potential for food and environmental analysis.
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Affiliation(s)
- Hossein Khosropour
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mansoureh Keramat
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Wanida Laiwattanapaisal
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand.
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10
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Luo F, Tang Y, Zheng J, Xie Z, Wang J, Zhou J, Wu Y. Smartphone-assisted colorimetric aptasensor for rapid detection of carbendazim residue in agriculture products based on the oxidase-mimicking activity of octahedral Ag 2O nanoparticles. Talanta 2023; 265:124845. [PMID: 37385190 DOI: 10.1016/j.talanta.2023.124845] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/20/2023] [Accepted: 06/19/2023] [Indexed: 07/01/2023]
Abstract
Carbendazim (CBZ) is a widely used pesticides, and its excessive intake is serious damage to humans and animals. Herein, a stable and sensitive colorimetric aptasensor for rapid detection of CBZ residue has been established based on the enhancement of CBZ-specific aptamer (CZ-13) on oxidase-mimicking activity of octahedral Ag2O nanoparticles (NPs). The CZ-13 aptamer can significantly increase the catalytic activity by promoting the production of superoxide anion (·O2-) on the surface of Ag2O NPs and enhancing the affinity of octahedral Ag2O NPs to 3,3',5,5'-tetramethylbenzidine (TMB) molecules. In the presence of CBZ, the quantity of CZ-13 aptamer will be exhausted due to the specific binding to CBZ pesticide. Thus, the rest CZ-13 aptamer no longer enhanced the catalytic activity of octahedral Ag2O NPs, which leads to the change in color of sensing solution. The color change of sensing solution can be easily converted to the corresponding RGB value by a smartphone for quantitative and rapid detection of CBZ. The designed aptasensor has excellent sensitivity and specificity, and the limit of detection was determined as low as 7.35 μg L-1 for CBZ assay. Besides, the aptasensor exhibited good recoveries in the spiked cabbage, apple and cucumber, showing that it may have broad application prospects for detecting CBZ residues in agriculture products.
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Affiliation(s)
- Feng Luo
- Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, China
| | - Yue Tang
- College of Life Sciences, Guizhou University, Guiyang, 550025, China
| | - Jia Zheng
- Wuliangye Yibin Co., Ltd, Yibin, 644000, Sichuan Province, China
| | - Zhengmin Xie
- Wuliangye Yibin Co., Ltd, Yibin, 644000, Sichuan Province, China
| | - Junjun Wang
- Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, China
| | - Jianli Zhou
- Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, China
| | - Yuangen Wu
- Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Guiyang, 550025, China; College of Life Sciences, Guizhou University, Guiyang, 550025, China.
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Andone BA, Handrea-Dragan IM, Botiz I, Boca S. State-of-the-art and future perspectives in infertility diagnosis: Conventional versus nanotechnology-based assays. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2023; 54:102709. [PMID: 37717928 DOI: 10.1016/j.nano.2023.102709] [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: 06/22/2023] [Revised: 08/27/2023] [Accepted: 09/07/2023] [Indexed: 09/19/2023]
Abstract
According to the latest World Health Organization statistics, around 50 to 80 million people worldwide suffer from infertility, amongst which male factors are responsible for around 20 to 30 % of all infertility cases while 50 % were attributed to the female ones. As it is becoming a recurrent health problem worldwide, clinicians require more accurate methods for the improvement of both diagnosis and treatment schemes. By emphasizing the potential use of innovative methods for the rapid identification of the infertility causes, this review presents the news from this dynamic domain and highlights the benefits brought by emerging research fields. A systematic description of the standard techniques used in clinical protocols for diagnosing infertility in both genders is firstly provided, followed by the presentation of more accurate and comprehensive nanotechnology-related analysis methods such as nanoscopic-resolution imaging, biosensing approaches and assays that employ nanomaterials in their design. Consequently, the implementation of nanotechnology related tools in clinical practice, as recently demonstrated in the selection of spermatozoa, the detection of key proteins in the fertilization process or the testing of DNA integrity or the evaluation of oocyte quality, might confer excellent advantages both for improving the assessment of infertility, and for the success of the fertilization process.
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Affiliation(s)
- Bianca-Astrid Andone
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian Str., 400271 Cluj-Napoca, Romania; Faculty of Physics, Babes-Bolyai University, 1 M. Kogalniceanu Str., 400084 Cluj-Napoca, Romania
| | - Iuliana M Handrea-Dragan
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian Str., 400271 Cluj-Napoca, Romania; Faculty of Physics, Babes-Bolyai University, 1 M. Kogalniceanu Str., 400084 Cluj-Napoca, Romania
| | - Ioan Botiz
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian Str., 400271 Cluj-Napoca, Romania
| | - Sanda Boca
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian Str., 400271 Cluj-Napoca, Romania; National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Str., 400293 Cluj-Napoca, Romania.
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12
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Li H, Yao S, Wang C, Bai C, Zhou P. Diverse applications and development of aptamer detection technology. ANAL SCI 2023; 39:1627-1641. [PMID: 37700097 DOI: 10.1007/s44211-023-00409-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 06/04/2023] [Indexed: 09/14/2023]
Abstract
Aptamers have received extensive attention in recent years because of their advantages of high specificity, high sensitivity and low immunogenicity. Aptamers can perform almost all functions of antibodies through the combination of spatial structure and target, which are called "chemical antibodies". At present, aptamers have been widely used in cell imaging, new drug development, disease treatment, microbial detection and other fields. Due to the diversity of modifications, aptamers can be combined with different detection technologies to construct aptasensors. This review focuses on the diversity of aptamers in the field of detection and the development of aptamer-based detection technology and proposes new challenges for aptamers in this field.
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Affiliation(s)
- Haozheng Li
- College of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, People's Republic of China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Shibo Yao
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Cui Wang
- College of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, People's Republic of China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Chenjun Bai
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China.
| | - Pingkun Zhou
- College of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, People's Republic of China.
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China.
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13
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Qin N, Liu J, Li F, Liu J. Recent Advances in Aptasensors for Rapid Pesticide Residues Detection. Crit Rev Anal Chem 2023:1-22. [PMID: 37708008 DOI: 10.1080/10408347.2023.2257795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Pesticides are applied widely to increase agricultural output and quality, however, this practice results in residual issues that not only harm the environment but also put people and animals' lives and health at risk. As a result, it is critical to find pesticide residues in a variety of sources, including crops, water supplies, and soil. Aptamers are more flexible in their synthesis and modification, have a high level of specificity, are inexpensive, and have good stability compared to conventional detection methods. They have therefore attracted a lot of interest in the industry. This study reviews the most recent aptasensor advancements in the detection of pesticide residues. Firstly, aptamers specifically binding to many pesticides are summarized. Secondly, the combination of aptasensors with colorimetric, fluorescent, surface enhanced Raman spectroscopy (SERS), resonance Light Scattering (RLS), chemiluminescence (CL), electrochemical, and electrochemiluminescence (ECL) technologies are systematically introduced, and their advantages and disadvantages are expounded. Importantly, the aptasensors for the detection of various pesticides (organochlorine, organophosphorus, neonicotinoids, carbamates, and pyrethroids) that have been developed so far are systematically analyzed and discussed. Finally, the furture prospects and challenges of the aptasensors are highlighted. It is expected to offer suggestions for the later creation of novel, highly effective and sensitive aptasensors for the detection of pesticide residues.
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Affiliation(s)
- Na Qin
- College of Horticulture and Landscape Architecture, Tianjin Agricultural University, Tianjin, China
| | - Jinfeng Liu
- College of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Fengyun Li
- College of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jingbo Liu
- College of Horticulture and Landscape Architecture, Tianjin Agricultural University, Tianjin, China
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14
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Liu S, Meng S, Wang M, Li W, Dong N, Liu D, Li Y, You T. In-depth interpretation of aptamer-based sensing on electrode: Dual-mode electrochemical-photoelectrochemical sensor for the ratiometric detection of patulin. Food Chem 2023; 410:135450. [PMID: 36640656 DOI: 10.1016/j.foodchem.2023.135450] [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: 08/29/2022] [Revised: 12/12/2022] [Accepted: 01/07/2023] [Indexed: 01/10/2023]
Abstract
Electrochemical aptasensors have been extensively used to quantify food contaminants (e.g., mycotoxin) by using high-affinity aptamer for target recognition. Yet, analytical performance of aptasensors using different aptamers can be varied for the same target. Here, four aptamers with different sequences (i.e., A22, A34, A42, and A45) of patulin (PAT) were selected to estimate sensing behaviors at electrodes with electrochemical (EC) and photoelectrochemical (PEC) assays. Synergistic effect of steric hindrance and electron transfer distance was found to significantly affect EC and PEC response for PAT at aptasensors fabricated with A22, A34, A42, or A45. Eventually, A22 emerged to be the optimal aptamer for aptasensing, despite the highest affinity of A42 to PAT. The A22-based EC-PEC dual-mode ratiometric aptasensor offered a linear range of 50 fg mL-1 - 500 ng mL-1 with a detection limit of 30 fg mL-1 for PAT, and it was applied to apple product (i.e., juice, puree) analysis.
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Affiliation(s)
- Shuda Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Shuyun Meng
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Meng Wang
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
| | - Wenjia Li
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Na Dong
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Dong Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Yuye Li
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Tianyan You
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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15
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Chen J, Yang C, Nie H, Li H. Aptamer recognition-promoted hybridization chain reaction for amplified label-free and enzyme-free fluorescence analysis of pesticide. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 293:122451. [PMID: 36801730 DOI: 10.1016/j.saa.2023.122451] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/13/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Development of high-performance fluorescence sensors for pesticide is highly urgent but remains a grand challenge. It is due to that most of known fluorescence sensors detect pesticides based on enzyme-inhibited strategy, which requires high-price cholinesterase, suffers from serious interference of reductive materials, and can't difference pesticides with each other; the known aptamer-based fluorescence ones entail tool enzymes or nanomaterials to transducer/amplify the signal and demand signalers to be tagged in nucleic acid, which are expensive and intricate. Herein, we develop a novel aptamer-based fluorescence system for label-free, enzyme-free and highly sensitive detection of pesticide (profenofos) based on target-initiated hybridization chain reaction (HCR)-assisted signal amplification and specific intercalation of N-methylmesoporphyrin IX (NMM) in G-quadruplex DNA. Hairpin probe ON1 recognizes profenofos to generate profenofos@ON1 complex, which switches the HCR to yield multiple G-quadruplex DNA, consequently making large numbers of NMM be locked. In comparison with profenofos absence, a sharply improved fluorescence signal was recorded and it was dependent on profenofos dose. Hence, label-free, enzyme-free and highly sensitive detection of profenofos is achieved with limit of detection of 0.085 nM, which compared favorably with or superior to those of known fluorescence methods. Furthermore, the present method was applied to determine the profenofos residue in rice with agreeable result, and will provide more valuable information for guaranteeing the pesticide-related food safety.
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Affiliation(s)
- Jianling Chen
- Key Laboratory of Public Health Safety of Hebei Province, College of Public Health, Hebei University, Baoding 071002, Hebei, China.
| | - Chunliu Yang
- Key Laboratory of Public Health Safety of Hebei Province, College of Public Health, Hebei University, Baoding 071002, Hebei, China
| | - Hailiang Nie
- Key Laboratory of Public Health Safety of Hebei Province, College of Public Health, Hebei University, Baoding 071002, Hebei, China
| | - Haiyin Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Provinence, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, Hebei, China; College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, Shandong, China.
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16
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Jiang W, Li Z, Yang Q, Hou X. Integration of Metallic Nanomaterials and Recognition Elements for the Specifically Monitoring of Pesticides in Electrochemical Sensing. Crit Rev Anal Chem 2023:1-22. [DOI: 10.1080/10408347.2023.2189955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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17
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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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18
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Singh P, Kumar S, Verma SK. Development of fluorescent aptasensor for detection of acephate by utilizing graphene oxide platform. Talanta 2023; 252:123843. [DOI: 10.1016/j.talanta.2022.123843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/27/2022]
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19
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Photoelectrochemical aptasensor based on cascade dual Z-scheme CdTe-polyaniline@MoS2 heterostructure for the sensitive carbendazim detection. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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20
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Tang Y, Yu H, Niu X, Wang Q, Liu Y, Wu Y. Aptamer-mediated carbon dots as fluorescent signal for ultrasensitive detection of carbendazim in vegetables and fruits. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Khosropour H, Maeboonruan N, Sriprachuabwong C, Tuantranont A, Laiwattanapaisal W. A new double signal on electrochemical aptasensor based on gold nanoparticles/graphene nanoribbons/MOF-808 as enhancing nanocomposite for ultrasensitive and selective detection of carbendazim. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Hu R, Shi J, Tian C, Chen X, Zuo H. Nucleic Acid Aptamers for Pesticides, Toxins, and Biomarkers in Agriculture. Chempluschem 2022; 87:e202200230. [PMID: 36410759 DOI: 10.1002/cplu.202200230] [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: 07/11/2022] [Revised: 10/17/2022] [Indexed: 01/31/2023]
Abstract
Nucleic acid aptamers are short single-stranded DNA/RNA (ssDNA/RNA) oligonucleotides that can selectively bind to the targets. They are widely used in medicine, biosensing, and diagnostic assay. They have also been identified and extensively used for various targets in agriculture. In this review we summarize the progress of nucleic acid aptamers on pesticides (herbicides, insecticides, and fungicides), toxins, specific biomarkers of crops, and plant growth regulators in agricultural field in recent years. The basic process of aptamer selection, the already identified DNA/RNA aptamers and the aptasensors are discussed. We also discuss the future perspectives and the challenges for aptamer development in agriculture.
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Affiliation(s)
- Rongping Hu
- Sichuan Institute of Edible Fungi, Institute of Plant Protection, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, 610066, P. R. China
| | - Jun Shi
- Mianyang Academy of Agricultural Sciences, Crop Characteristic Resources Creation, and Utilization Key Laboratory of Sichuan Province, Mianyang, Sichuan, 621023 (P. R., China
| | - Cheng Tian
- Key Laboratory of Luminescence Analysis, and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, P. R. China
| | - Xiaojuan Chen
- Sichuan Institute of Edible Fungi, Institute of Plant Protection, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, 610066, P. R. China
| | - Hua Zuo
- Key Laboratory of Luminescence Analysis, and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, P. R. China
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23
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Wang Q, Jiao C, Wang X, Wang Y, Sun K, Li L, Fan Y, Hu L. A hydrogel-based biosensor for stable detection of glucose. Biosens Bioelectron 2022; 221:114908. [DOI: 10.1016/j.bios.2022.114908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/21/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022]
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Xu L, El-Aty AA, Eun JB, Shim JH, Zhao J, Lei X, Gao S, She Y, Jin F, Wang J, Jin M, Hammock BD. Recent Advances in Rapid Detection Techniques for Pesticide Residue: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:13093-13117. [PMID: 36210513 PMCID: PMC10584040 DOI: 10.1021/acs.jafc.2c05284] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
As an important chemical pollutant affecting the safety of agricultural products, the on-site and efficient detection of pesticide residues has become a global trend and hotspot in research. These methodologies were developed for simplicity, high sensitivity, and multiresidue detection. This review introduces the currently available technologies based on electrochemistry, optical analysis, biotechnology, and some innovative and novel technologies for the rapid detection of pesticide residues, focusing on the characteristics, research status, and application of the most innovative and novel technologies in the past 10 years, and analyzes challenges and future development prospects. The current review could be a good reference for researchers to choose the appropriate research direction in pesticide residue detection.
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Affiliation(s)
- Lingyuan Xu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - A.M. Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum 25240, Turkey
| | - Jong-Bang Eun
- Department of Food Science and Technology, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Jae-Han Shim
- Natural Products Chemistry Laboratory, Biotechnology Research Institute, Chonnam National University, Yongbong-ro, Buk-gu, Gwangju 500-757, Republic of Korea
| | - Jing Zhao
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xingmei Lei
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Song Gao
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yongxin She
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Fen Jin
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jing Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Maojun Jin
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Bruce D. Hammock
- Department of Entomology & Nematology and the UC Davis Comprehensive Cancer Center, University of California, Davis, CA 95616, USA
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Lu H, Huang Y, Cui H, Li L, Ding Y. A molecularly imprinted electrochemical aptasensor based on zinc oxide and co-deposited gold nanoparticles/reduced graphene oxide composite for detection of amoxicillin. Mikrochim Acta 2022; 189:421. [PMID: 36251097 DOI: 10.1007/s00604-022-05497-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/13/2022] [Indexed: 11/28/2022]
Abstract
The molecularly imprinted electrochemical aptasensor was constructed based on co-deposition of zinc oxide and gold nanoparticles/reduced graphene oxide composite. Aptamer was used as a new kind of functional monomer and the aptamer-amoxicillin complex was formed by hydrogen bond. Then, the complex was fixed on the surface of the modified electrode by Au-S bond. Three-dimensional imprinted polymeric membrane was formed by electropolymerization of dopamine, and the imprinted sites with good specificity and affinity were formed after elution. Combined with the specificity of molecularly imprinted technology and the affinity of aptamer, the selective recognition of amoxicillin can be realized. Under the optimal experimental conditions, the linear range was from 10-14 to 10-8 M, and the detection limit was 3.3 × 10-15 M. The sensor exhibited satisfactory selectivity, repeatability, and stability and was successfully used for 10-9 M amoxicillin determination in real water and food samples.
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Affiliation(s)
- Huan Lu
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Yan Huang
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Hanyue Cui
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Li Li
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, People's Republic of China.
| | - Yaping Ding
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, People's Republic of China.
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26
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Wang J, Zhang D, Xu K, Hui N, Wang D. Electrochemical assay of acetamiprid in vegetables based on nitrogen-doped graphene/polypyrrole nanocomposites. Mikrochim Acta 2022; 189:395. [PMID: 36169733 DOI: 10.1007/s00604-022-05490-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 09/11/2022] [Indexed: 11/25/2022]
Abstract
Dual-mode electrochemical aptasensor based on nitrogen-doped graphene (NG) doped with the conducting polymer polypyrrole (PPy) nanocomposite is proposed for the determination of acetamiprid. NG/PPy was electrodeposited onto the glassy carbon electrode (GCE) using cyclic voltammetry technique. NG/PPy/GCE showed outstanding electrocatalytic activity for the oxidation of nitrite due to "active region" induced by the charge redistribution of carbon atoms. The ultrasensitive dual-mode biosensor for acetamiprid could be easily developed by coupling acetamiprid aptamers with the NG/PPy hybrid. The specific binding between acetamiprid and the aptamers resulted in the increase of differential pulse voltammetry (DPV) signal change and the decrease of chronoamperometry (CA) signal, and the concentration of acetamiprid could be measured. The working potentials of DPV and CA were - 0.2 ~ 0.4 V and - 0.4 ~ 0.4 V (vs. SCE), respectively. The dual-mode acetamiprid biosensor showed a wide linear range from 10-12 to 10-7 g mL-1, with low detection limits of 1.15 × 10-13 g mL-1 and 7.32 × 10-13 g mL-1 through DPV and CA modes, respectively. Moreover, owing to high active area and superior conductivity, as well as good electrocatalytic ability, the dual-sensing platform based on NG/PPy nanocomposite supported the quantification of acetamiprid in complex samples. A dual-mode electrochemical aptasensor based on NG/PPy nanocomposite for acetamiprid detection was proposed through both the increase of differential pulse voltammetry (DPV) signal change and the decrease of chronoamperometry (CA) signal of the nitrite oxidation electrocatalyzed by NG/PPyn in sensors and biosensors.
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Affiliation(s)
- Jiasheng Wang
- Qingdao Agricultural University, Qingdao, 266109, China
| | - Decheng Zhang
- Qingdao Agricultural University, Qingdao, 266109, China
| | - Keke Xu
- Qingdao Agricultural University, Qingdao, 266109, China
| | - Ni Hui
- Qingdao Agricultural University, Qingdao, 266109, China.
| | - Dongwei Wang
- Qingdao Agricultural University, Qingdao, 266109, China.
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27
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Castro ACH, Bezerra ÍRS, Pascon AM, da Silva GH, Philot EA, de Oliveira VL, Mancini RSN, Schleder GR, Castro CE, de Carvalho LRS, Fernandes BHV, Cilli EM, Sanches PRS, Santhiago M, Charlie-Silva I, Martinez DST, Scott AL, Alves WA, Lima RS. Modular Label-Free Electrochemical Biosensor Loading Nature-Inspired Peptide toward the Widespread Use of COVID-19 Antibody Tests. ACS NANO 2022; 16:14239-14253. [PMID: 35969505 PMCID: PMC9397565 DOI: 10.1021/acsnano.2c04364] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/11/2022] [Indexed: 05/16/2023]
Abstract
Limitations of the recognition elements in terms of synthesis, cost, availability, and stability have impaired the translation of biosensors into practical use. Inspired by nature to mimic the molecular recognition of the anti-SARS-CoV-2 S protein antibody (AbS) by the S protein binding site, we synthesized the peptide sequence of Asn-Asn-Ala-Thr-Asn-COOH (abbreviated as PEP2003) to create COVID-19 screening label-free (LF) biosensors based on a carbon electrode, gold nanoparticles (AuNPs), and electrochemical impedance spectroscopy. The PEP2003 is easily obtained by chemical synthesis, and it can be adsorbed on electrodes while maintaining its ability for AbS recognition, further leading to a sensitivity 3.4-fold higher than the full-length S protein, which is in agreement with the increase in the target-to-receptor size ratio. Peptide-loaded LF devices based on noncovalent immobilization were developed by affording fast and simple analyses, along with a modular functionalization. From studies by molecular docking, the peptide-AbS binding was found to be driven by hydrogen bonds and hydrophobic interactions. Moreover, the peptide is not amenable to denaturation, thus addressing the trade-off between scalability, cost, and robustness. The biosensor preserves 95.1% of the initial signal for 20 days when stored dry at 4 °C. With the aid of two simple equations fitted by machine learning (ML), the method was able to make the COVID-19 screening of 39 biological samples into healthy and infected groups with 100.0% accuracy. By taking advantage of peptide-related merits combined with advances in surface chemistry and ML-aided accuracy, this platform is promising to bring COVID-19 biosensors into mainstream use toward straightforward, fast, and accurate analyses at the point of care, with social and economic impacts being achieved.
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Affiliation(s)
- Ana C. H. Castro
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Ítalo R. S. Bezerra
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Aline M. Pascon
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Gabriela H. da Silva
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
| | - Eric A. Philot
- Center for Mathematics, Computing and Cognition,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Vivian L. de Oliveira
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
- Laboratory of Immunology, Heart Institute,
University of São Paulo, São Paulo, São
Paulo 05508-000, Brazil
| | - Rodrigo S. N. Mancini
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Gabriel R. Schleder
- John A. Paulson School of Engineering and Applied
Sciences, Harvard University, Cambridge, Massachusetts 02138,
United States
| | - Carlos E. Castro
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | | | | | - Eduardo M. Cilli
- Institute of Chemistry, São Paulo
State University, Araraquara, São Paulo 14800-900,
Brazil
| | - Paulo R. S. Sanches
- Institute of Chemistry, São Paulo
State University, Araraquara, São Paulo 14800-900,
Brazil
| | - Murilo Santhiago
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Ives Charlie-Silva
- Institute of Biomedical Sciences,
University of São Paulo, São Paulo, São
Paulo 05508-000, Brazil
| | - Diego S. T. Martinez
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
| | - Ana L. Scott
- Center for Mathematics, Computing and Cognition,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Wendel A. Alves
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Renato S. Lima
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
- Institute of Chemistry, University of
Campinas, Campinas, São Paulo 13083-970,
Brazil
- São Carlos Institute of Chemistry,
University of São Paulo, São Carlos, São
Paulo 09210-580, Brazil
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28
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Nataraj N, Chen TW, Akilarasan M, Chen SM, Al-Ghamdi AA, Elshikh MS. Se substituted 2D-gC 3N 4 modified disposable screen-printed carbon electrode substrate: A bifunctional nano-catalyst for electrochemical and absorption study of hazardous fungicide. CHEMOSPHERE 2022; 302:134765. [PMID: 35500632 DOI: 10.1016/j.chemosphere.2022.134765] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 04/09/2022] [Accepted: 04/25/2022] [Indexed: 06/14/2023]
Abstract
The indispensable usage of pesticides for the control and prevention of pests is probable and includes several types based on the problems in the crops. Among them, fungicides, are one problem-solving agent curing fungal developments. the disproportionate use of fungicides will lead to environmental deterioration and several health issues. The assessment of such fungicides is highly motivated to be detected. Under the class of two-dimensional materials, graphitic carbon nitride (GCN) with high surface area and high electrocatalytic activity was chosen as electrode material. The efficiency of GCN was improved with the subsequent substitution of selenium (Se) into the triazine ring as Se-GCN. The structural and surface analysis was done and the layered structure was proved. The electrochemical detection of CBM showed a lower detection limit at 6 nM with a linear range 0.099 μM-346.9 μM while, the absorption studies showed a LOD of 20 nM with a linear range of 0.099 μM-182.09 μM. The orange juice and vegetable extract samples had good recovery with CBM at Se-GCN modified disposable screen-printed electrode. The developed disposable electrode was more sensitive with 6.45 μAμM-1cm2 sensitivity and highly reactive with CBM. Moreover, the developed sensor will be more effective in sensing applications to avoid the menace generated by several agents.
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Affiliation(s)
- Nandini Nataraj
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, ROC
| | - Tse-Wei Chen
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom
| | - Muthumariappan Akilarasan
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, ROC
| | - Shen Ming Chen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, ROC.
| | - Abdullah Ahmed Al-Ghamdi
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh, 11451, Saudi Arabia
| | - Mohamed S Elshikh
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh, 11451, Saudi Arabia
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29
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Li T, Wang J, Zhu L, Li C, Chang Q, Xu W. Advanced screening and tailoring strategies of pesticide aptamer for constructing biosensor. Crit Rev Food Sci Nutr 2022; 63:10974-10994. [PMID: 35699641 DOI: 10.1080/10408398.2022.2086210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The rapid development of aptamers has helped address the challenges presented by the wide existed pesticides contaminations. Screening of aptamers with excellent performance is a prerequisite for successfully constructing biosensors, while further tailoring of aptamers with enhanced activity greatly improved the assay performance. Firstly, this paper reviewed the advanced screening strategies for pesticides aptamers, including immobilization screening that preserves the native structures of targets, non-immobilized screening based on nanomaterials, capillary electrophoresis-systematic evolution of ligands by exponential enrichment (CE-SELEX), virtual screening in silico, high-throughput selection, and rational secondary library generation methods, which contributed significantly to improve the success rate of screening, reduce the screening time, and ensure aptamer binding affinity. Secondly, the precise tailoring strategies for pesticides aptamers were modularly elaborated, containing deletion, splitting, elongation, and fusion, which provided various advantages like cost-efficiency, enhanced binding affinity, and new derived functional motifs. Thirdly, the developed aptamer-based biosensors (aptasensors) for pesticide detection were systematically reviewed according to the different signal output modes. Finally, the challenges and future perspectives of pesticide detection are discussed comprehensively.
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Affiliation(s)
- Tianshun Li
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Jia Wang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
| | - Longjiao Zhu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
| | - Chenwei Li
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Qiaoying Chang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
| | - Wentao Xu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University,, Beijing, China
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30
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Peng G, Gao F, Zou J, Wang X, Gao Y, Zhou H, Liu S, Li M, Lu L. One-step electrochemical synthesis of tremella-like Co-MOFs/carbon nanohorns films for enhanced electrochemical sensing of carbendazim in vegetable and fruit samples. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116462] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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31
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Li X, Li X, Feng S. A photoelectrochemical sensor for firstly the detection of amlodipine besylate based on an MnC<sub>4</sub>Pc coated ZnO composite materials. ELECTROANAL 2022. [DOI: 10.1002/elan.202100703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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32
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Manganese-doped zinc sulfide microspheres for improved electrocatalytic sensing ability toward carbendazim in food samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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33
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Chen G, Zhai R, Liu G, Huang X, Zhang K, Xu X, Li L, Zhang Y, Wang J, Jin M, Xu D, Abd El-Aty AM. A Competitive Assay Based on Dual-Mode Au@Pt-DNA Biosensors for On-Site Sensitive Determination of Carbendazim Fungicide in Agricultural Products. Front Nutr 2022; 9:820150. [PMID: 35198589 PMCID: PMC8860170 DOI: 10.3389/fnut.2022.820150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/03/2022] [Indexed: 11/20/2022] Open
Abstract
Carbendazim (CBZ), a systemic, broad-spectrum benzimidazole fungicide, is widely used to control fungal diseases in agricultural products. Its residues might pose risks to human health and the environment. Therefore, it is warranted to establish a rapid and reliable method for its residual quantification. Herein, we proposed a competitive assay that combined aptamer (DNA) specific recognition and bimetallic nanozyme gold@platinum (Au@Pt) catalysis to trace the CBZ residue. The DNA was labeled onto bimetallic nanozyme Au@Pt surface to produce Au@Pt probes (Au@Pt-DNA). The magnetic Fe3O4 was functionalized with a complementary strand of DNA (C-DNA) to form Fe3O4 probes (Fe3O4-C-DNA). Subsequently, the CBZ and the Fe3O4 probes competitively react with Au@Pt probes to form two Au@Pt-DNA biosensors (Au@Pt-ssDNA-CBZ and Au@Pt-dsDNA-Fe3O4). The Au@Pt-ssDNA-CBZ biosensor was designed for qualitative analysis through a naked-eye visualization strategy in the presence of CBZ. Meanwhile, Au@Pt-dsDNA-Fe3O4 biosensor was developed to quantitatively analyze CBZ using a multifunctional microplate reader. A competitive assay based on the dual-mode Au@Pt-DNA biosensors was established for onsite sensitive determination of CBZ. The limit of detection (LOD) and recoveries of the developed assay were 0.038 ng/mg and 71.88-110.11%, with relative standard deviations (RSDs) ranging between 3.15 and 10.91%. The assay demonstrated a good correlation with data acquired from liquid chromatography coupled with mass spectrometry/mass spectrometry analysis. In summary, the proposed competitive assay based on dual-mode Au@Pt-DNA biosensors might have a great potential for onsite sensitive detection of pesticides in agro-products.
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Affiliation(s)
- Ge Chen
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rongqi Zhai
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guangyang Liu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaodong Huang
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Kaige Zhang
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaomin Xu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lingyun Li
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanguo Zhang
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jing Wang
- Key Laboratory of Agro-Product Quality and Safety, Ministry of Agriculture and Rural Affairs, Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Maojun Jin
- Key Laboratory of Agro-Product Quality and Safety, Ministry of Agriculture and Rural Affairs, Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Donghui Xu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - A M Abd El-Aty
- State Key Laboratory of Biobased Material and Green Papermaking, College of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Science, Jinan, China.,Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.,Department of Medical Pharmacology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
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34
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Li Y, Chen X, Ren H, Li X, Chen S, Ye BC. A novel electrochemical sensor based on molecularly imprinted polymer-modified C-ZIF67@Ni for highly sensitive and selective determination of carbendazim. Talanta 2022; 237:122909. [PMID: 34736646 DOI: 10.1016/j.talanta.2021.122909] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 12/28/2022]
Abstract
In this work, we propose a two-step coating method, combining C-ZIF67@Ni with molecular imprinting polymer (MIP), to develop a high-sensitivity and high-selectivity Carbendazim (CBD) electrochemical sensor. ZIF67@Ni was prepared by a simple chemical bath method, and C-ZIF67@Ni was obtained by high-temperature carbonization of ZIF67@Ni. Then, MIP layer was prepared by electrochemical in-situ polymerization, with O-aminophenol as functional monomers, CBD acting as template on the surface of the C-ZIF67@Ni-modified glassy carbon electrode (GCE). During the preparation process, the types of functional monomers, the polymerization solution pH, the ratio of functional monomers to template molecules, and the incubation time are optimized. The morphological characteristics, composition information and electrochemical properties of MIP/C-ZIF67@Ni/GCE were investigated in detail under optimal conditions. Physical characterization and electrochemical tests revealed that ZIF67@Ni significantly improves the electron transmission capacity and surface area of the sensor after high-temperature carbonization. C-ZIF67@ Ni has a good synergistic effect on MIP, allowing rapid and specific identification of the test substance. MIP/C-ZIF67@Ni/GCE showed a good linear relationship with CBD in the concentration range from 4 × 10-13 M to 1 × 10-9 M, the lowest detection limit was 1.35 × 10-13 M (S/N = 3) R2 = 0.9983 and RSD = 2.34. Additionally, the sensor showed good repeatability, stability, and selectivity, and can be used for the detection of carbendazim in soil and water with a recovery of 98% above.
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Affiliation(s)
- Yangguang Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Xuan Chen
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Hailong Ren
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Xiang Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Shenyan Chen
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Bang-Ce Ye
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China; Institute of Engineering Biology and Health, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, China.
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35
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Shi Y, Xie X, Wang L, Wang L, Li L, Yan Z, Shen G. Fluorescent assay for carbendazim determination using aptamer and SYBR Green I. Aust J Chem 2022. [DOI: 10.1071/ch22001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Design an aptamer-based sensitive lateral flow biosensor for rapid determination of isocarbophos pesticide in foods. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108208] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Wang R, Qin Y, Liu X, Li Y, Lin Z, Nie R, Shi Y, Huang H. Electrochemical Biosensor Based on Well-Dispersed Boron Nitride Colloidal Nanoparticles and DNA Aptamers for Ultrasensitive Detection of Carbendazim. ACS OMEGA 2021; 6:27405-27411. [PMID: 34693161 PMCID: PMC8529661 DOI: 10.1021/acsomega.1c04326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/20/2021] [Indexed: 05/27/2023]
Abstract
A selective electrochemical biosensor was developed for detecting carbendazim (CBZ) based on well-dispersed colloidal boron nitride (BN) nanocrystals and gold nanoparticles (Au NPs). BN was synthesized by "solvent cutting" to modify a glassy carbon electrode (GCE), and Au NPs were then electrodeposited. A single-stranded oligonucleotide with methylene blue (MB) was modified to the electrode surface through gold-sulfur bonds. A double-stranded DNA was formed in the presence of an aptamer. The aptamer chain can specifically bind to the target CBZ. When the aptamer binds to CBZ, the electroactive substance MB labeled at one end of the complementary chain can effectively contact the electrode surface. Detection of CBZ is realized by simultaneously monitoring the MB signal enhancement. The CBZ concentration was determined in a wide linearity range from 0.1 ng mL-1 to 100 μg mL-1, with a low detection limit of 0.019 ng mL-1. This biosensor exhibited excellent selectivity and acceptable repeatability and was applied in cucumber, kiwifruit, and water samples with good recoveries, demonstrating that the strategy has remarkable potential and offers a good platform for CBZ detection.
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Affiliation(s)
- Ruijie Wang
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Yuan Qin
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xin Liu
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Yangzi Li
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Zhenfeng Lin
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Rong Nie
- School of Chemistry and Chemical Engineering, Lanzhou City University, Lanzhou 730070, China
| | - Yifei Shi
- Shaanxi Environment Investigation and Assessment Center, Xi’an 710054, China
| | - Huayu Huang
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
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38
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Yang Y, Tang Y, Wang C, Liu B, Wu Y. Selection and identification of a DNA aptamer for ultrasensitive and selective detection of λ-cyhalothrin residue in food. Anal Chim Acta 2021; 1179:338837. [PMID: 34535250 DOI: 10.1016/j.aca.2021.338837] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 07/03/2021] [Accepted: 07/05/2021] [Indexed: 11/30/2022]
Abstract
Pyrethroid pesticides residues will not only pollute the environment, but also cause high toxicity to the human body. It is significant to establish an efficient and accurate method for pyrethroid detection in food. Considering that the common biomolecules like antibody is complicated and easy to inactivate, it is urgent to find a new type of biomolecule to specifically recognize pyrethroid pesticides. This study proposed the Capture-SELEX strategy to firstly select λ-cyhalothrin aptamer by immobilizing random ssDNA library. High-throughput sequencing was performed on the enriched ssDNA library through multiple Capture-SELEX rounds. Comprehensively inspecting structural similarity and homology, six sequences were chosen from five families for further analysis. The results showed that the aptamer (named LCT-1) could specifically recognize λ-cyhalothrin with the strongest affinity (Kd = 50.64 ± 4.33 nmol L-1). Molecular docking results revealed that the binding sites between λ-cyhalothrin and LCT-1 aptamer are mainly related to the bases A-5, C-6, C-28, A-29, C-30, G-31 and G-32. The LCT-1 aptamer was truncated to a shorter sequence (named as LCT-1-39) by removing other irrelevant bases, and its Kd value was determined as (10.27 ± 1.33) nmol·L-1 by Microscale Thermophoresis (MST). Both LCT-1 and LCT-1-39 aptamers were employed as recognition molecules to establish the colorimetric aptasensors for λ-cyhalothrin detection, which displayed good repeatability and reproducibility. The detection limit of the aptasensors were individually calculated as 0.0197 μg ml-1 and 0.0186 μg ml-1, and their recovery rate of λ-cyhalothrin in pear and cucumber samples was in the range of 82.93-95.50%. This article provides a promising application for the detection of λ-cyhalothrin.
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Affiliation(s)
- Yuxia Yang
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang, 550025, China
| | - Yue Tang
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang, 550025, China
| | - Chunxiao Wang
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang, 550025, China
| | - Bangyan Liu
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang, 550025, China
| | - Yuangen Wu
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang, 550025, China; Key Laboratory of Wuliangye-flavor Liquor Solid-state Fermentation, China National Light Industry, Yibin, 644000, China.
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Wang S, Ding P, Lu S, Wu P, Wei X, Huang R, Kai T. Cell density-dependent regulation of microcystin synthetase genes (mcy) expression and microcystin-LR production in Microcystis aeruginosa that mimics quorum sensing. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 220:112330. [PMID: 34020285 DOI: 10.1016/j.ecoenv.2021.112330] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/07/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
As the secondary metabolites of cyanobacterial harmful algal blooms (Cyano-HABs), microcystins (MCs) were generated under various environmental and cellular conditions. The understanding of the causes of MCs generation is of great interest in the field of water treatment and environmental science. In this work, we studied how Microcystis aeruginosa (FACHB-905) cell densities affect the MCs synthetase genes (mcy) expression, microcystin-LR (MC-LR) and quorum sensing molecules (Acyl-homoserine lactones (AHLs)) production. An electrochemical sensor was developed here for sensitive and quantitative detection of MC-LR that cultured at different cell densities. The results showed that mcy expression and MC-LR concentration started to increase when the cell density reached ca. 22 × 106 cells/mL, and was significantly increased with increasing cell densities. Moreover, the up-regulation of AHLs with increasing cell densities revealed that MC-LR is quorum sensing-mediated. Our results undoubtedly confirmed that MC-LR was produced in a cell density-dependent way that mimics quorum sensing, and the minimum cell density (ca. 22 × 106 cells/mL) that was required to produce MC-LR was provided and offered a reference standard for the prevention and control of MCs pollution in the actual water environment.
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Affiliation(s)
- Shanlin Wang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Ping Ding
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Siyu Lu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Pian Wu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Xiaoqian Wei
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Ruixue Huang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Tianhan Kai
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
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Sundaresan P, Fu CC, Liu SH, Juang RS. Facile synthesis of chitosan-carbon nanofiber composite supported copper nanoparticles for electrochemical sensing of carbendazim. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126934] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Jin W, Ruiyi L, Nana L, Xiulan S, Haiyan Z, Guangli W, Zaijun L. Electrochemical detection of carbendazim with mulberry fruit-like gold nanocrystal/multiple graphene aerogel and DNA cycle amplification. Mikrochim Acta 2021; 188:284. [PMID: 34341854 PMCID: PMC8328125 DOI: 10.1007/s00604-021-04886-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/06/2021] [Indexed: 01/08/2023]
Abstract
An aptasensor for electrochemical detection of carbendazim is reported with mulberry fruit-like gold nanocrystal (MF-Au)/multiple graphene aerogel (MGA) and DNA cycle amplification. HAuCl4 was reduced by ascorbic acid in a CTAC solution containing KBr and KI and formed trioctahedron gold nanocrystal. The gold nanocrystal underwent structural evolution under enantioselective direction of l-cysteine. The resulting MF-Au shows a mulberry fruit-like nanostructure composed of gold nanocrystals of about 200 nm as the core and many irregular gold nanoparticles of about 30 nm as the shell. The exposure of high-index facets improves the catalytic activity of MF-Au. MF-Au/MGA was used for the construction of an aptasensor for electrochemical detection of carbendazim. The aptamer hybridizes with assistant strand DNA to form duplex DNA. Carbendazim binds with the formed duplex DNA to release assistant strand DNA, triggering one three-cascade DNA cycle. The utilization of a DNA cycle allows one carbendazim molecule to bring many methylene blue–labeled DNA fragments to the electrode surface. This promotes significant signal amplification due to the redox reaction of methylene blue. The detection signal is further enhanced by the catalysis of MF-Au and MGA towards the redox of methylene blue. A differential pulse voltammetric signal, best measured at − 0.32 V vs. Ag/AgCl, increases linearly with the carbendazim concentration ranging from 1.0 × 10−16 to 1.0 × 10−11 M with a detection limit of 4.4 × 10−17 M. The method provides ultrahigh sensitivity and selectivity and was successfully applied to the electrochemical detection of carbendazim in cucumber.
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Affiliation(s)
- Wang Jin
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Li Ruiyi
- School of Pharmaceutical Science, Jiangnan University, Wuxi, 214122, China
| | - Li Nana
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Sun Xiulan
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Zhu Haiyan
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Wang Guangli
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Li Zaijun
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China.
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Liu L, Gao Y, Liu J, Li Y, Yin Z, Zhang Y, Pi F, Sun X. Sensitive Techniques for POCT Sensing on the Residues of Pesticides and Veterinary Drugs in Food. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:206-214. [PMID: 33129206 DOI: 10.1007/s00128-020-03035-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 10/24/2020] [Indexed: 06/11/2023]
Abstract
For the immense requirement on agriculture and animal husbandry, application of pesticides and veterinary drugs had become a normal state in the farming and ranching areas. However, to intently pursue the yields, large quantities of residues of pesticides and veterinary drugs have caused serious harm to both the environment and the food industry. To control and solve such an issue, a variety of novel techniques were developed in recent years. In this review, the development and features about point-of-care-testing (POCT) detection on the residues of pesticides and veterinary drugs, such as, electrochemistry (EC), enzyme-linked immunosorbent assay (ELISA) and nano-techniques, were systematically introduced. For each topic, we first interpreted the strategies and detailed account of such technical contributions on detection and assessment of the residues. Finally, the advantages and perspectives about mentioned techniques for ultrasensitive assessment and sensing on pesticides and veterinary drugs were summarized.
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Affiliation(s)
- Lin Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Yueying Gao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Jinghan Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Ying Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Ziye Yin
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Yuanyuan Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Fuwei Pi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
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Yu H, Alkhamis O, Canoura J, Liu Y, Xiao Y. Advances and Challenges in Small‐Molecule DNA Aptamer Isolation, Characterization, and Sensor Development. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202008663] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Haixiang Yu
- Department of Chemistry and Biochemistry Florida International University 11200 SW 8th Street Miami FL 33199 USA
| | - Obtin Alkhamis
- Department of Chemistry and Biochemistry Florida International University 11200 SW 8th Street Miami FL 33199 USA
| | - Juan Canoura
- Department of Chemistry and Biochemistry Florida International University 11200 SW 8th Street Miami FL 33199 USA
| | - Yingzhu Liu
- Department of Chemistry and Biochemistry Florida International University 11200 SW 8th Street Miami FL 33199 USA
| | - Yi Xiao
- Department of Chemistry and Biochemistry Florida International University 11200 SW 8th Street Miami FL 33199 USA
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Yu H, Alkhamis O, Canoura J, Liu Y, Xiao Y. Advances and Challenges in Small-Molecule DNA Aptamer Isolation, Characterization, and Sensor Development. Angew Chem Int Ed Engl 2021; 60:16800-16823. [PMID: 33559947 PMCID: PMC8292151 DOI: 10.1002/anie.202008663] [Citation(s) in RCA: 156] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 11/16/2021] [Indexed: 12/12/2022]
Abstract
Aptamers are short oligonucleotides isolated in vitro from randomized libraries that can bind to specific molecules with high affinity, and offer a number of advantages relative to antibodies as biorecognition elements in biosensors. However, it remains difficult and labor-intensive to develop aptamer-based sensors for small-molecule detection. Here, we review the challenges and advances in the isolation and characterization of small-molecule-binding DNA aptamers and their use in sensors. First, we discuss in vitro methodologies for the isolation of aptamers, and provide guidance on selecting the appropriate strategy for generating aptamers with optimal binding properties for a given application. We next examine techniques for characterizing aptamer-target binding and structure. Afterwards, we discuss various small-molecule sensing platforms based on original or engineered aptamers, and their detection applications. Finally, we conclude with a general workflow to develop aptamer-based small-molecule sensors for real-world applications.
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Affiliation(s)
- Haixiang Yu
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
| | - Obtin Alkhamis
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
| | - Juan Canoura
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
| | - Yingzhu Liu
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
| | - Yi Xiao
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
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Chang T, He S, Amini R, Li Y. Functional Nucleic Acids Under Unusual Conditions. Chembiochem 2021; 22:2368-2383. [PMID: 33930229 DOI: 10.1002/cbic.202100087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/24/2021] [Indexed: 02/06/2023]
Abstract
Functional nucleic acids (FNAs), including naturally occurring ribozymes and riboswitches as well as artificially created DNAzymes and aptamers, have been popular molecular toolboxes for diverse applications. Given the high chemical stability of nucleic acids and their ability to fold into diverse sequence-dependent structures, FNAs are suggested to be highly functional under unusual reaction conditions. This review will examine the progress of research on FNAs under conditions of low pH, high temperature, freezing conditions, and the inclusion of organic solvents and denaturants that are known to disrupt nucleic acid structures. The FNA species to be discussed include ribozymes, riboswitches, G-quadruplex-based peroxidase mimicking DNAzymes, RNA-cleaving DNAzymes, and aptamers. Research within this space has not only revealed the hidden talents of FNAs but has also laid important groundwork for pursuing these intriguing functional macromolecules for unique applications.
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Affiliation(s)
- Tianjun Chang
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, Canada
- Department of Biology, Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, 454000, Henan, P. R. China
| | - Sisi He
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, Canada
- School of Science, Harbin Institute of Technology (Shenzhen), University Town, Shenzhen, 518055, Guangdong, P. R. China
| | - Ryan Amini
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, Canada
| | - Yingfu Li
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, Canada
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Biosensors for the detection of organophosphate exposure by a new diethyl thiophosphate-specific aptamer. Biotechnol Lett 2021; 43:1869-1881. [PMID: 34231090 DOI: 10.1007/s10529-021-03158-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 06/23/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE An aptamer specifically binding to diethyl thiophosphate (DETP) was constructed and incorporated in an optical sensor and electrochemical techniques to enable the specific measurement of DETP as a metabolite and a biomarker of organophosphate exposure. RESULTS A DETP-bound aptamer was selected from the library using capillary electrophoresis-systematic evolution of ligands by exponential enrichment (CE-SELEX). A colorimetric method revealed that the aptamer had the highest affinity for DETP, with a mean Kd value (± SD) of 0.103 ± 0.014 µM. The docking results and changes in resistance showed that the selectivity of the aptamer for DETP was higher than that for the similar structures of dithiophosphate (DEDTP) and diethyl phosphate (DEP). The altered amplitude of cyclic voltammetry showed a linear range of DETP detection covering 0.0001-10 µg/ml with a limit of detection of 0.007 µg/ml. The recovery value of a real sample of pH 7 was 97.2%. CONCLUSIONS The current method showed great promise in using the DETP-specific aptamer to detect the exposure history to organophosphates by measuring their metabolites, although degradation of organophosphate parent compounds might occur.
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Qi H, Li H, Li F. Aptamer Recognition-Driven Homogeneous Electrochemical Strategy for Simultaneous Analysis of Multiple Pesticides without Interference of Color and Fluorescence. Anal Chem 2021; 93:7739-7745. [PMID: 34009937 DOI: 10.1021/acs.analchem.1c01252] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Credible and simultaneous determination of multiple pesticides is highly desirable for guaranteeing food safety. However, the current methods are limited to significant interference of color and fluorescence or electrode's modification and mainly focus on the analysis of a single pesticide. Herein, we proposed a novel aptamer-based homogeneous electrochemical system for highly sensitive and simultaneous analysis of multiple pesticides based on target pesticide-switched exonuclease III (Exo III)-assisted signal amplification. The recognition of hairpin probes by target pesticides impels the production of pesticide-DNA complexes, which hybridize with electroactive dye-labeled DNA to form double-stranded DNA, subsequently initiating an Exo III-assisted digestion reaction to generate abundant electroactive dye-tagged mononucleotides. In comparison with pesticide deficiency, two higher differential pulse voltammetry (DPV) currents are measured, which rely on the amount of target pesticides. Therefore, simultaneous analysis of two pesticides is realized with limits of detection of 0.0048 and 0.0089 nM, respectively, comparable or superior to those of known methods that focused on a single pesticide. Moreover, the proposed system is successfully employed to simultaneously evaluate the residual level of acetamiprid and profenofos in Brassica chinensis and thus will find more useful applications for pesticide-related food safety.
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Affiliation(s)
- Hongjie Qi
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People's Republic of China.,College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Haiyin Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Feng Li
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People's Republic of China.,College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
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Koukouvinos G, Karachaliou CE, Raptis I, Petrou P, Livaniou E, Kakabakos S. Fast and Sensitive Determination of the Fungicide Carbendazim in Fruit Juices with an Immunosensor Based on White Light Reflectance Spectroscopy. BIOSENSORS-BASEL 2021; 11:bios11050153. [PMID: 34068345 PMCID: PMC8153324 DOI: 10.3390/bios11050153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022]
Abstract
Carbendazim is a systemic benzimidazole-type fungicide with broad-spectrum activity against fungi that undermine food products safety and quality. Despite its effectiveness, carbendazim constitutes a major environmental pollutant, being hazardous to both humans and animals. Therefore, fast and reliable determination of carbendazim levels in water, soil, and food samples is of high importance for both food industry and public health. Herein, an optical biosensor based on white light reflectance spectroscopy (WLRS) for fast and sensitive determination of carbendazim in fruit juices is presented. The transducer is a Si/SiO2 chip functionalized with a benzimidazole conjugate, and determination is based on a competitive immunoassay format. Thus, for the assay, a mixture of an in-house developed rabbit polyclonal anti-carbendazim antibody with the standards or samples is pumped over the chip, followed by biotinylated secondary antibody and streptavidin. The WLRS platform allows for real-time monitoring of biomolecular interactions carried out onto the Si/SiO2 chip by transforming the shift in the reflected interference spectrum caused by the immunoreaction to effective biomolecular adlayer thickness. The sensor is able to detect 20 ng/mL of carbendazim in fruit juices with high accuracy and precision (intra- and inter-assay CVs ≤ 6.9% and ≤9.4%, respectively) in less than 30 min, applying a simple sample treatment that alleviates any "matrix-effect" on the assay results and a 60 min preincubation step for improving assay sensitivity. Excellent analytical characteristics and short analysis time along with its small size render the proposed WLRS immunosensor ideal for future on-the-spot determination of carbendazim in food and environmental samples.
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Affiliation(s)
- Georgios Koukouvinos
- Immunoassay/Immunosensors Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece; (G.K.); (P.P.); (S.K.)
| | - Chrysoula-Evangelia Karachaliou
- Immunopeptide Chemistry Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece
- Correspondence: or (C.-E.K.); (E.L.)
| | - Ioannis Raptis
- Institute of Nanoscience and Nanotechnology, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece;
- ThetaMetrisis S.A., Polydefkous 14, 12243 Egaleo, Greece
| | - Panagiota Petrou
- Immunoassay/Immunosensors Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece; (G.K.); (P.P.); (S.K.)
| | - Evangelia Livaniou
- Immunopeptide Chemistry Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece
- Correspondence: or (C.-E.K.); (E.L.)
| | - Sotirios Kakabakos
- Immunoassay/Immunosensors Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research “Demokritos”, P.O. Box 60037, 15310 Agia Paraskevi, Greece; (G.K.); (P.P.); (S.K.)
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Fu R, Zhou J, Liu Y, Wang Y, Liu H, Pang J, Cui Y, Zhao Q, Wang C, Li Z, Jiao B, He Y. Portable and quantitative detection of carbendazim based on the readout of a thermometer. Food Chem 2021; 351:129292. [PMID: 33626465 DOI: 10.1016/j.foodchem.2021.129292] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 01/18/2021] [Accepted: 02/02/2021] [Indexed: 01/21/2023]
Abstract
The detection of carbendazim (CBZ) is important for food safety and human health. However, most current analytical methods require large instruments and highly trained operators. In order to solve this problem, herein, an innovative portable and quantitative photothermal assay platform relying on a thermometer readout for the detection of CBZ has been developed. Gold nanoparticles (AuNPs), which exhibit a strong distance-dependent photothermal effect under specific laser irradiation, were utilized as indicators. The CBZ aptamer was introduced to protect AuNPs from salt-mediated aggregation. When CBZ is present, the binding event between CBZ and aptamer leads to the loss of the aptamer protective effect on AuNPs, and AuNP aggregation occurs. Under 650-nm laser irradiation, the increase in temperature associated with an AuNP-dependent photothermal effect is highly related to the CBZ concentration. Having the advantages of user-friendliness, low cost, quick response, and portability, this method has great potential for on-site applications.
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Affiliation(s)
- Ruijie Fu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Jing Zhou
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Yanlin Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Yiwen Wang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Haoran Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Junxiao Pang
- Key Lab Crit Technol Degradat Pesticide Residues, Food & Pharmaceut Engn Inst, Guiyang University, Guiyang 550005, Guizhou, PR China
| | - Yongliang Cui
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Qiyang Zhao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Chengqiu Wang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Zhixia Li
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Bining Jiao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China
| | - Yue He
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, PR China; National Citrus Engineering Research Center, Chongqing 400712, PR China.
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Ouyang Q, Wang L, Ahmad W, Rong Y, Li H, Hu Y, Chen Q. A highly sensitive detection of carbendazim pesticide in food based on the upconversion-MnO 2 luminescent resonance energy transfer biosensor. Food Chem 2021; 349:129157. [PMID: 33578248 DOI: 10.1016/j.foodchem.2021.129157] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 01/04/2021] [Accepted: 01/18/2021] [Indexed: 12/28/2022]
Abstract
Carbendazim (CBZ) pesticide residues in food products have become a growing concern in recent years. Herein, a sensitive biosensor for detecting CBZ was developed based on luminescent resonance energy transfer (LRET) from aptamer labeled upconversion nanoparticles (UCNPs, donor) to manganese dioxide (MnO2, acceptor) nanosheets. The strong overlap between the absorption spectrum of MnO2 and the UCNPs fluorescence emission allowed the luminescence quenching. With the addition of CBZ, it tended to bind with specific aptamers, which culminated in the UCNPs-aptamer dropping off MnO2 nanosheets and restoring the fluorescence. A linear calibration plot between logarithmic CBZ concentration and fluorescence intensity was acquired in the range of 0.1-5000 ng·mL-1, with a limit of detection 0.05 ng·mL-1, indicating that the UCNPs- MnO2 aptasensor is a rapid, sensitive and specific quantitative detection platform for CBZ. Furthermore, the precision and accuracy of the developed LRET biosensor was validated by HPLC method with no significant differences.
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Affiliation(s)
- Qin Ouyang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Li Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Waqas Ahmad
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yawen Rong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Huanhuan Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuqian Hu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Quansheng Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
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