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Saadatidizaji Z, Sohrabi N, Mohammadi R. Development of a simple polymer-based sensor for detection of the Pirimicarb pesticide. Sci Rep 2024; 14:10293. [PMID: 38704412 PMCID: PMC11069528 DOI: 10.1038/s41598-024-60748-6] [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: 12/30/2023] [Accepted: 04/26/2024] [Indexed: 05/06/2024] Open
Abstract
In this study, a sensitive and selective fluorescent chemosensor was developed for the determination of pirimicarb pesticide by adopting the surface molecular imprinting approach. The magnetic molecularly imprinted polymer (MIP) nanocomposite was prepared using pirimicarb as the template molecule, CuFe2O4 nanoparticles, and graphene quantum dots as a fluorophore (MIP-CuFe2O4/GQDs). It was then characterized using X-ray diffraction (XRD) technique, Fourier transforms infrared (FT-IR) spectroscopy, scanning electron microscope (SEM), and transmission electron microscopy (TEM). The response surface methodology (RSM) was also employed to optimize and estimate the effective parameters of pirimicarb adsorption by this polymer. According to the experimental results, the average particle size and imprinting factor (IF) of this polymer are 53.61 nm and 2.48, respectively. Moreover, this polymer has an excellent ability to adsorb pirimicarb with a removal percentage of 99.92 at pH = 7.54, initial pirimicarb concentration = 10.17 mg/L, polymer dosage = 840 mg/L, and contact time = 6.15 min. The detection of pirimicarb was performed by fluorescence spectroscopy at a concentration range of 0-50 mg/L, and a sensitivity of 15.808 a.u/mg and a limit of detection of 1.79 mg/L were obtained. Real samples with RSD less than 2 were measured using this chemosensor. Besides, the proposed chemosensor demonstrated remarkable selectivity by checking some other insecticides with similar and different molecular structures to pirimicarb, such as diazinon, deltamethrin, and chlorpyrifos.
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Affiliation(s)
- Zahra Saadatidizaji
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Negin Sohrabi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
- Department of Biosystem Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Reza Mohammadi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
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Yang JC, Lee J, Lim SJ, Kwak G, Park J. Molecularly Imprinted Chalcone-Branched Polyimide-Based Chemosensors with Stripe Nanopatterns for the Detection of Melittin. ACS Sens 2023; 8:2298-2308. [PMID: 37261931 DOI: 10.1021/acssensors.3c00341] [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] [Indexed: 06/03/2023]
Abstract
In this study, a chalcone-branched polyimide (CB-PI) was synthesized by the Steglich esterification reaction for selective recognition of the toxic peptide melittin (MEL). MEL was immobilized on a nanopatterned poly(dimethylsiloxane) (PDMS) mold using a conventional surface modification technique to increase binding sites. A stripe-nanopatterned thin CB-PI film was formed on a quartz crystal (QC) substrate by simultaneously performing microcontact printing and ultraviolet (UV) light dimerization using a MEL-immobilized mold. The surface morphology changes and dimensions of the molecularly imprinted polymer (MIP) films with stripe nanopatterns (S-MIP) were analyzed using scanning electron microscopy (SEM) and atomic force microscopy (AFM). The sensing signals (Δf and Qe) of the S-MIP sensor were investigated upon adsorption in a 100-μL dilute plasma solution containing 30 μg/mL MEL, and its reproducibility, reuse, stability, and durability were investigated. The S-MIP sensor showed high sensitivity (5.49 mL/mg) and coefficient of determination (R2 = 0.999), and the detection limit (LOD) and the quantification limit (LOQ) were determined as 0.3 and 1.1 μg/mL, respectively. In addition, the selectivity coefficients (k*) calculated from the selectivity tests were 2.7-5.7, 2.1-4.3, and 2.8-4.6 for bovine serum albumin (BSA), immunoglobulin G (IgG), and apamin (APA), respectively. Our results indicate that the nanopatterned MIP sensors based on CB-PI demonstrate great potential as a sensing tool for the quantitative analysis of biomolecules.
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Affiliation(s)
- Jin Chul Yang
- Department of Polymer Science & Engineering, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea
| | - Jineun Lee
- Department of Polymer Science & Engineering, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea
| | - Seok Jin Lim
- Department of Polymer Science & Engineering, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea
| | - Giseop Kwak
- Department of Polymer Science & Engineering, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea
| | - Jinyoung Park
- Department of Polymer Science & Engineering, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea
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Wang C, Liu M, Zhang D, Li P, Wang D, Sun S, Wei W. Detection of β-amyloid peptide aggregates by quartz crystal microbalance based on dual-aptamer assisted signal amplification. Anal Chim Acta 2023; 1244:340857. [PMID: 36737146 DOI: 10.1016/j.aca.2023.340857] [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: 09/28/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 01/19/2023]
Abstract
β-amyloid peptide (Aβ) aggregates are regarded as a typical neuropathology hallmark for the diagnosis of Alzheimer's disease (AD). Aβ40 aggregates include soluble oligomers (Aβ40O) and insoluble fibrils (Aβ40F). Both of them can simultaneously bind to two different kinds of its aptamer (Apt1 and Apt2). As a mass-sensitive sensing platform, quartz crystal microbalance (QCM) converts changes in mass on the Au chip surface into frequency shift. Here, a dual-aptamer assisted Aβ40 aggregates assay was developed. Taking Aβ40O detection as an example, Apt2 was modified on the surface of Au chip by Au-S bond. Subsequently, the solution consisted of Aβ40O and gold nanoparticles-Apt1 (AuNPs-Apt1) were injected into the QCM chamber. As a result, Aβ40O was specifically recognized and captured by Apt2. AuNPs-Apt1 were also combined on the surface of the Au chip because Aβ40O can simultaneously bind to Apt1. Then, a significant frequency shift occurred because of the large weight of AuNPs. Similarly, this procedure can be used to detect Aβ40F. This QCM biosensor was able to detect Aβ40O with a range of 0.2-10 pM with a detection limit of 0.11 pM, while the linear range for Aβ40F was 0.1-10 pM with a detection limit of 0.02 pM. This QCM biosensor was simple and highly sensitive, which provided a new method for Aβ40 aggregates detection.
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Affiliation(s)
- Chenchen Wang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Mengke Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Duoduo Zhang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Peng Li
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Dingzhong Wang
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Shihao Sun
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Wei Wei
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
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Beladghame O, Bouchikhi N, Lerari D, Charif IE, Soppera O, Maschke U, Bedjaoui-Alachaher L. Elaboration and characterization of molecularly imprinted polymer films based on acrylate for recognition of 2,4-D herbicide analogue. IRANIAN POLYMER JOURNAL 2023. [DOI: 10.1007/s13726-023-01143-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Ofoegbu O, Ike DC, Batiha GES, Fouad H, Srichana RS, Nicholls I. Molecularly Imprinted Chitosan-Based Thin Films with Selectivity for Nicotine Derivatives for Application as a Bio-Sensor and Filter. Polymers (Basel) 2021; 13:3363. [PMID: 34641180 PMCID: PMC8512477 DOI: 10.3390/polym13193363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 11/24/2022] Open
Abstract
This study reports the feasible use of chitosan as a thin film biosensor on the very sensitive quartz crystal micro balance system for detection of blends of multiple templates within a single matrix. The development of chitosan-based thin film materials with selectivity for nicotine derivatives is described. The molecular imprinting of a combination of nicotine derivatives in N-diacryloyl pipiradine-chitosan-methacrylic acid copolymer films on quartz crystal resonators was used to generate thin films with selectivity for nicotine and a range of nicotine analogues, particularly 3-phenylpyridine. The polymers were characterized by spectroscopic and microscopic evaluations; surface area, pore size, pore volume using Breuner-Emmet-Teller method. Temperature characteristics were also studied. The swelling and structure consistency of the Chitosan was achieved by grafting with methylmethacrylic acid and cross-linking with N-diacrylol pipiradine. A blend of 0.002 g (0.04 mmol) of Chitosan, 8.5 μL Methylmethacrylic Acid and 1.0 mg N-diacrylol pipradine (BAP) presented the best blend formulation. Detections were made within a time interval of 99 s, and blend templates were detected at a concentration of 0.5 mM from the Quartz crystal microbalance resonator analysis. The successful crosslinking of the biopolymers ensured successful control of the swelling and agglomeration of the chitosan, giving it the utility potential for use as thin film sensor. This successful crosslinking also created successful dual multiple templating on the chitosan matrix, even for aerosolized templates. The products can be used in environments with temperature ranges between 60 °C and 250 °C.
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Affiliation(s)
- Obinna Ofoegbu
- Organic, Polymer, Nano Materials and Molecular Recognition Research Group, Department of Chemistry, Joseph Sarwuan Tarka University, Makurdi 970101, Nigeria;
| | - David Chukwuebuka Ike
- Organic, Polymer, Nano Materials and Molecular Recognition Research Group, Department of Chemistry, Joseph Sarwuan Tarka University, Makurdi 970101, Nigeria;
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt;
| | - Hassan Fouad
- Applied Medical Science Department, Community College, King Saudi University, P.O. Box 10219, Riyadh 11433, Saudi Arabia;
| | - Roongnapa S. Srichana
- Molecular Recognition Materials Research Unit, Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90112, Thailand;
| | - Ian Nicholls
- Centre for Biomaterials Chemistry, Linnaeus University, 39782 Kalmar, Sweden;
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Çakır O, Bakhshpour M, Göktürk I, Yılmaz F, Baysal Z. Sensitive and selective detection of amitrole based on molecularly imprinted nanosensor. J Mol Recognit 2021; 34:e2929. [PMID: 34378825 DOI: 10.1002/jmr.2929] [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: 04/30/2021] [Revised: 04/30/2021] [Accepted: 07/26/2021] [Indexed: 11/09/2022]
Abstract
SPR sensor used for amitrole detection was prepared without using any modification. Molecularly imprinted SPR sensor enabled high selectivity for amitrole pesticide. Amino acid-based functional monomer MATrp was integrated as a recognition element. Tailor-made SPR sensor enables real-time monitoring of amitrole pesticide. Synthetic recognition sites provided by MATrp were prepared without labeling.
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Affiliation(s)
- Oğuz Çakır
- Science and Technology Application and Research Center, Dicle University, Diyarbakır, Turkey
| | | | - Ilgım Göktürk
- Department of Chemistry, Hacettepe University, Beytepe, Turkey
| | - Fatma Yılmaz
- Department of Chemistry Technology, Bolu Abant Izzet Baysal University, Gerede, Turkey
| | - Zübeyde Baysal
- Faculty of Science, Department of Chemistry, Dicle University, Diyarbakır, Turkey
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Wang W, Wang X, Cheng N, Luo Y, Lin Y, Xu W, Du D. Recent advances in nanomaterials-based electrochemical (bio)sensors for pesticides detection. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116041] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Guo T, Zhou H, Yu Y, Dai H, Zhang Y, Ma L. Solid‐phase extraction materials based on molecularly imprinted polymers for recognition of pyrethroids. J Appl Polym Sci 2020. [DOI: 10.1002/app.48919] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ting Guo
- College of Food ScienceSouthwest University Chongqing 400716 People's Republic of China
| | - Hongyuan Zhou
- College of Food ScienceSouthwest University Chongqing 400716 People's Republic of China
| | - Yong Yu
- College of Food ScienceSouthwest University Chongqing 400716 People's Republic of China
| | - Hongjie Dai
- College of Food ScienceSouthwest University Chongqing 400716 People's Republic of China
| | | | - Liang Ma
- College of Food ScienceSouthwest University Chongqing 400716 People's Republic of China
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Sensing HIV Protease and Its Inhibitor Using "Helical Epitope"-Imprinted Polymers. SENSORS 2020; 20:s20123592. [PMID: 32630459 PMCID: PMC7348739 DOI: 10.3390/s20123592] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 12/15/2022]
Abstract
A helical epitope-peptide (lle85-Gly94) was selected from the α-helix structure of the HIV protease (PR) as the template, which represents an intricate interplay between structure conformation and dimerization. The peptide template was mixed with water, trifluoroethanol (TFE), and acetonitrile (ACN) at a certain ratio to enlarge the helical conformation in the solution for the fabrication of helical epitope-mediated molecularly imprinted polymers (HEMIPs) on a quartz crystal microbalance (QCM) chip. The template molecules were then removed under equilibrium batch rebinding conditions involving 5% acetic acid/water. The resulting HEMIPs chip exhibited a high affinity toward template peptide HIV PR85-94, His-tagged HIV PR, and HIV PR, with dissociation constants (Kd) as 160, 43.3, and 78.5 pM, respectively. The detection limit of the developed HIV PR85-94 QCM sensor is 0.1 ng/mL. The HEMIPs chip exhibited a high affinity and selectivity to bind HIV PR and subsequently to an inhibitor of HIV PR (nelfinavir). The HIV PR binding site was properly oriented on the HEMIPs-chip to develop a HIV PR/HEMIPs chip, which can effectively bind nelfinavir to establish a sandwich assay. The nelfinavir then attached to the HIV PR/HEMIPs chip, which can be easily removed involving 0.8% acetic acid/water. Therefore, HIV PR/HEMIPs chip can be useful to screen for other HIV PR inhibitors. This technique may improve drug targeting for HIV therapy and also strengthen investigations into other virus assays.
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Wei X, Lv L, Zhang Z, Guan W. Preparation of molecularly imprinted fluorescence sensor based on carbon quantum dots via precipitation polymerization for fluorescence detection of tetracycline. J Appl Polym Sci 2020. [DOI: 10.1002/app.49126] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Xiao Wei
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid RegionMinistry of Education, Chang'an University Xi'an China
- School of Water and EnvironmentChang'an University Xi'an China
| | - Liang Lv
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid RegionMinistry of Education, Chang'an University Xi'an China
- School of Water and EnvironmentChang'an University Xi'an China
| | - Zhendong Zhang
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid RegionMinistry of Education, Chang'an University Xi'an China
- School of Water and EnvironmentChang'an University Xi'an China
| | - Weisheng Guan
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid RegionMinistry of Education, Chang'an University Xi'an China
- School of Water and EnvironmentChang'an University Xi'an China
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