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Soltani-Shahrivar M, Afkhami A, Madrakian T. Design and optimization of a cost-effective paper-based voltammetric sensor for the determination of trinitrotoluene (TNT) utilizing cysteamine-linked Fe 3O 4 @Au nanocomposite. Talanta 2024; 274:126041. [PMID: 38581854 DOI: 10.1016/j.talanta.2024.126041] [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: 12/02/2023] [Revised: 03/27/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024]
Abstract
This paper presents the development and optimization of a cost-effective paper electrochemical sensor for the detection of TNT using Fe3O4-Au core-shell nanoparticles modified with cysteamine (Fe3O4@Au/CA). The sensor was constructed by modifying a graphite paste with the aforementioned nanoparticles, which facilitated the formation of a Meisenheimer complex between cysteamine and TNT as an electron donor and an electron acceptor, respectively. The central composite design was employed to optimize four key parameters pH, modifier percentage, contact time, and buffer type to enhance the performance of the sensor. The detection limit was found to be 0.5 nM of TNT, while the linear range of the electrode response spanned from 0.002 μM to 10 μM. The simplicity and low cost of the sensor make it highly attractive for practical applications, particularly in scenarios where rapid and on-site TNT detection is required.
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Affiliation(s)
- Morteza Soltani-Shahrivar
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Science, Bu-Ali Sina University, Hamedan, Iran
| | - Abbas Afkhami
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Science, Bu-Ali Sina University, Hamedan, Iran; D-8 International University, Hamedan, Iran.
| | - Tayyebeh Madrakian
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Science, Bu-Ali Sina University, Hamedan, Iran.
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2
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Bazsefidpar S, Freitas M, Pereira CR, Gutiérrez G, Serrano-Pertierra E, Nouws HPA, Matos M, Delerue-Matos C, Blanco-López MC. Fe 3O 4@Au Core-Shell Magnetic Nanoparticles for the Rapid Analysis of E. coli O157:H7 in an Electrochemical Immunoassay. BIOSENSORS 2023; 13:bios13050567. [PMID: 37232928 DOI: 10.3390/bios13050567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023]
Abstract
Escherichia coli (E. coli) O157:H7 is a pathogenic bacterium that causes serious toxic effects in the human gastrointestinal tract. In this paper, a method for its effective analytical control in a milk sample was developed. To perform rapid (1 h) and accurate analysis, monodisperse Fe3O4@Au magnetic nanoparticles were synthesized and used in an electrochemical sandwich-type magnetic immunoassay. Screen-printed carbon electrodes (SPCE) were used as transducers, and electrochemical detection was performed by chronoamperometry using a secondary horseradish peroxidase-labeled antibody and 3,3',5,5'-tetramethylbenzidine. This magnetic assay was used to determine the E. coli O157:H7 strain in the linear range from 20 to 2 × 106 CFU/mL, with a limit of detection of 20 CFU/mL. The selectivity of the assay was tested using Listeria monocytogenes p60 protein, and the applicability of the assay was assessed by analyzing a commercial milk sample, demonstrating the usefulness of the synthesized nanoparticles in the developed magnetic immunoassay.
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Affiliation(s)
- Shayesteh Bazsefidpar
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006 Oviedo, Spain
| | - Maria Freitas
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal
| | - Clara R Pereira
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal
| | - Gemma Gutiérrez
- Department of Chemical and Environmental Engineering & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006 Oviedo, Spain
| | - Esther Serrano-Pertierra
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006 Oviedo, Spain
| | - Henri P A Nouws
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal
| | - María Matos
- Department of Chemical and Environmental Engineering & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006 Oviedo, Spain
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal
| | - María Carmen Blanco-López
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006 Oviedo, Spain
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Han K, Jiang B, Tong Y, Zhang W, Zou X, Shi J, Su X. Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe 3O 4 complexes for Cu 2+ detection in fish tissues. Biomed Microdevices 2023; 25:15. [PMID: 37036608 DOI: 10.1007/s10544-023-00654-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2023] [Indexed: 04/11/2023]
Abstract
Heavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control the adsorption force and vibration. The L-Cysteine functionalized Ag@Fe3O4 is coated on the surface of the electrode, then the Cu2+ is dropped into the reaction tank. Its performance is studied by cyclic voltammetry and electrochemical impedance spectroscopy, and the key experimental conditions such as deposition potential, deposition time, and electrolyte pH are gradually optimized. Under optimal conditions, Cu2+ can be detected over a wide linear range (0.01 ~ 4 μM) and at a low LOD (0.34 nM). The results show that the proposed method has a good application prospect in the detection of Cu2+. This method is successfully applied to Cu2+ analysis in fish samples with an acceptable recovery of 93 ~ 102%.
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Grants
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- 32102080,31801631,31671844,1601360061 National Natural Science Foundation of China
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- BK20160506,bk20180865 Natural Science Foundation of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
- KYCX21_3395 Post-graduate Research&Practice Innovation Program of Jiangsu Province
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Affiliation(s)
- Kuiguo Han
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Bin Jiang
- Department of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Yanqun Tong
- Department of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Wen Zhang
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xiaobo Zou
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Jiyong Shi
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xiaoyu Su
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
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Yang D, Wang L, Jia T, Lian T, Yang K, Li X, Wang X, Xue C. Au/Fe 3O 4-based nanozymes with peroxidase-like activity integrated in immunochromatographic strips for highly-sensitive biomarker detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:663-674. [PMID: 36655548 DOI: 10.1039/d2ay01815b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Because of their simplicity, rapidity, and cost-effectiveness, immunochromatographic strips (ICTs) have been widely used as an effective tool in various fields. However, typical strips for the preliminary screening suffer from limited detection sensitivity, particularly in biomarker detection with trace concentration. Herein, to tackle this challenge, we integrated homemade gold-decorated Fe3O4 nanoparticles (Au/Fe3O4 NPs) with flexible strips, exploring the excellent peroxidase-like activity of this labeled material, and then enhancing the detection sensitivity via signal amplification. The limit of detection (LOD) of the strips is as low as 0.05 mIU mL-1 when human chorionic gonadotropin (hCG) is as a biomarker model, which is 500 times lower than that of the traditional color-based strip. Overall, our results demonstrated the potential for Au/Fe3O4 NP based-ICTs for the rapid detection of the biomarker in an instrument-free and point-of-care testing format.
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Affiliation(s)
- Dong Yang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Lixia Wang
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Tongtong Jia
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Ting Lian
- School of Clinical Medicine, Xi'an Medical University, Xi'an 710021, China
| | - Kadi Yang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xuhua Li
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- Xi'an Key Laboratory of Advanced Performance Materials and Polymers, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xue Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
- Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Chaohua Xue
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
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Freitas M, del Rio M, Nouws HPA, Delerue-Matos C. Tracking a Major Egg Allergen to Assess Commercial Food Label Compliance: Towards a Simple and Fast Immunosensing Device. BIOSENSORS 2022; 12:1109. [PMID: 36551075 PMCID: PMC9776010 DOI: 10.3390/bios12121109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
An amperometric immunosensor was developed for the analysis of the major egg-white allergen ovotransferrin (Gal d 3) in commercial food products because the (accidental) intake, skin contact with, and/or inhalation of eggs can lead to severe disorders in allergic individuals. Employing a sandwich-type immunosensing strategy, screen-printed carbon electrodes (SPCE) were biomodified with anti-Gal d 3 (capture) antibodies, and the allergen’s detection was achieved with anti-Gal d 3 antibodies labelled with horseradish peroxidase (HRP). The 3,3′,5,5′-tetramethylbenzidine (TMB)/H2O2 reaction with HRP was used to obtain the electrochemical (amperometric) signal. An attractive assay time of 30 min and a remarkable analytical performance was achieved. The quantification range was established between 55 and 1000 ng·mL−1, with a limit of detection of 16 ng·mL−1. The developed method demonstrated good precision (Vx0 = 5.5%) and provided precise results (CV < 6%). The sensor also detected extremely low amounts (down to 0.010%) of egg. The analysis of seven raw and/or cooked egg and egg-white samples indicated that food processing influences the amount of allergen. Furthermore, to assure the compliance of product labelling with EU legislation, 25 commercial food ingredients/products were analysed. The accuracy of the results was confirmed through an ELISA assay. The stability of the ready-to-use sensing surface for 20 days allows a reduction of the reagents’ volumes and cost.
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6
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Advances in Electrochemical Techniques for the Detection and Analysis of Genetically Modified Organisms: An Analysis Based on Bibliometrics. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10050194] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Since the first successful transgenic plants obtained in 1983, dozens of plants have been tested. On the one hand, genetically modified plants solve the problems of agricultural production. However, due to exogenous genes of transgenic plants, such as its seeds or pollen drift, diffusion between populations will likely lead to superweeds or affect the original traits. The detection technology of transgenic plants and their products have received considerable attention. Electrochemical sensing technology is a fast, low-cost, and portable analysis technology. This review interprets the application of electrochemical technology in the analysis and detection of transgenic products through bibliometrics. A total of 83 research articles were analyzed, spanning 2001 to 2021. We described the different stages in the development history of the subject and the contributions of countries and institutions to the topic. Although there were more annual publications in some years, there was no explosive growth in any period. The lack of breakthroughs in this technology is a significant factor in the lack of experts from other fields cross-examining the subject. Through keyword co-occurrence analysis, different research directions on this topic were discussed. The use of nanomaterials with excellent electrical conductivity allows for more sensitive detection of GM crops by electrochemical sensors. Furthermore, co-citation analysis was used to interpret the most popular reports on the topic. In the end, we predict the future development of this topic according to the analysis results.
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7
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Zhu D, Xu Y, Shi J, Zou X, Zhang W, Huang X, Li Z. Selective enrichment and electrochemical determination of Cu in mushroom using L-Cysteine functionalized Fe3O4@Au nanoparticles. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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8
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Fortunati S, Giannetto M, Rozzi A, Corradini R, Careri M. PNA-functionalized magnetic microbeads as substrates for enzyme-labelled voltammetric genoassay for DNA sensing applied to identification of GMO in food. Anal Chim Acta 2021; 1153:338297. [PMID: 33714443 DOI: 10.1016/j.aca.2021.338297] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 11/21/2022]
Abstract
A novel enzyme-labelled voltammetric magnetogenoassay for DNA sensing based on the use of carboxyl-surface coated magnetic microbeads functionalized with PNA probes and subsequent read-out on screen-printed electrode (SPE) substrates was developed. The assay was validated for determination of non-amplified genomic DNA from genetically modified Roundup Ready soy. Outstanding performance with respect to other genoassays requiring preliminary amplification of target DNA via PCR was demonstrated. The analytical performance was also improved compared to previous methods based on the immobilization of the same PNA probes on SPE substrates, since the method was found capable of achieving LOD and LOQ of 415 fM and 995 fM, respectively. The ability of the magnetogenoassay to detect the presence of Roundup Ready soy DNA sequence was tested on genomic DNA extract from European Reference Material soy flours, demonstrating the capability of the method to match the European Union regulation for labelling of food containing a percentage of GM products greater than 0,9%.
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Affiliation(s)
- Simone Fortunati
- Dipartimento di Scienze Chimiche, Della Vita e Della Sostenibilità Ambientale, Università di Parma, Parco Area Delle Scienze 17/A, 43124, Parma, Italy
| | - Marco Giannetto
- Dipartimento di Scienze Chimiche, Della Vita e Della Sostenibilità Ambientale, Università di Parma, Parco Area Delle Scienze 17/A, 43124, Parma, Italy.
| | - Andrea Rozzi
- Dipartimento di Scienze Chimiche, Della Vita e Della Sostenibilità Ambientale, Università di Parma, Parco Area Delle Scienze 17/A, 43124, Parma, Italy
| | - Roberto Corradini
- Dipartimento di Scienze Chimiche, Della Vita e Della Sostenibilità Ambientale, Università di Parma, Parco Area Delle Scienze 17/A, 43124, Parma, Italy
| | - Maria Careri
- Dipartimento di Scienze Chimiche, Della Vita e Della Sostenibilità Ambientale, Università di Parma, Parco Area Delle Scienze 17/A, 43124, Parma, Italy
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9
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Jin X, Lv M, Pan Q, Fang S, Zhu N. An electrochemical aptasensor based on bifunctional Fe3O4@Au nanocomposites for adenosine triphosphate assay. J Solid State Electrochem 2021. [DOI: 10.1007/s10008-020-04887-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Zhang X, Zheng H, Jin S, Jiang Y, Wang Y, Liu Y. Fe3Pt-Ag nanoparticles: A novel generic approach towards detection and reduction for Rhodamine B. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2020.121802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Campuzano S, Yáñez-Sedeño P, Pingarrón JM. Electrochemical Affinity Biosensors Based on Selected Nanostructures for Food and Environmental Monitoring. SENSORS 2020; 20:s20185125. [PMID: 32911860 PMCID: PMC7571223 DOI: 10.3390/s20185125] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 08/30/2020] [Accepted: 09/04/2020] [Indexed: 02/07/2023]
Abstract
The excellent capabilities demonstrated over the last few years by electrochemical affinity biosensors should be largely attributed to their coupling with particular nanostructures including dendrimers, DNA-based nanoskeletons, molecular imprinted polymers, metal-organic frameworks, nanozymes and magnetic and mesoporous silica nanoparticles. This review article aims to give, by highlighting representative methods reported in the last 5 years, an updated and general overview of the main improvements that the use of such well-ordered nanomaterials as electrode modifiers or advanced labels confer to electrochemical affinity biosensors in terms of sensitivity, selectivity, stability, conductivity and biocompatibility focused on food and environmental applications, less covered in the literature than clinics. A wide variety of bioreceptors (antibodies, DNAs, aptamers, lectins, mast cells, DNAzymes), affinity reactions (single, sandwich, competitive and displacement) and detection strategies (label-free or label-based using mainly natural but also artificial enzymes), whose performance is substantially improved when used in conjunction with nanostructured systems, are critically discussed together with the great diversity of molecular targets that nanostructured affinity biosensors are able to quantify using quite simple protocols in a wide variety of matrices and with the sensitivity required by legislation. The large number of possibilities and the versatility of these approaches, the main challenges to face in order to achieve other pursued capabilities (development of antifouling, continuous operation, wash-, calibration- and reagents-free devices, regulatory or Association of Official Analytical Chemists, AOAC, approval) and decisive future actions to achieve the commercialization and acceptance of these devices in our daily routine are also noted at the end.
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Li X, Weng C, Wang J, Yang W, Lu Q, Yan X, Sakran MA, Hong J, Zhu W, Zhou X. A label-free electrochemical magnetic aptasensor based on exonuclease III-assisted signal amplification for determination of carcinoembryonic antigen. Mikrochim Acta 2020; 187:492. [PMID: 32770422 DOI: 10.1007/s00604-020-04457-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 07/16/2020] [Indexed: 12/26/2022]
Abstract
A novel label-free and exonuclease III (Exo III)-assisted signal amplification electrochemical aptasensor was constructed for the determination of carcinoembryonic antigen (CEA) via magnetic field-induced self-assembly of magnetic biocomposites (Fe3O4@Au NPs-S1-S2-S3). The magnetic biocomposites were acquired by modifying double-stranded DNA (S1-S2-S3) on the surface of Fe3O4@Au nanoparticles (Fe3O4@Au NPs). Among them, Fe3O4@Au NPs were used as carriers for magnetic separation, thiolated single-stranded DNA (S1) provided signal sequence, CEA aptamer (S2) worked as a recognition element, and complementary strand (S3) was used to form double strands. In the presence of CEA, S2 bonded with CEA competitively; the exposed S1 could not be cleaved since Exo III was inactive against ssDNA. The G-quadruplex/hemin complexes finally formed with the existence of K+, and the high electrochemical signal of G-quadruplex/hemin complexes was recorded by differential pulse voltammetry (DPV) at - 0.6 V. Conversely, in the absence of CEA, dsDNA was cleaved from the 3' blunt end by Exo III; the disappearance of G-rich sequence blocked the generation of the signal. This method exhibited good selectivity and sensitivity for the determination of CEA; the linear range was from 0.1 to 200 ng mL-1 and the limit of detection was 0.4 pg mL-1. Graphical abstract.
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Affiliation(s)
- Xiaoyun Li
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Chenyuan Weng
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Jing Wang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wei Yang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Qiaoyun Lu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Xiaoqiang Yan
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Marwan Ahmad Sakran
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Junli Hong
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wanying Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
| | - Xuemin Zhou
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
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13
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Low fouling strategy of electrochemical biosensor based on chondroitin sulfate functionalized gold magnetic particle for voltammetric determination of mycoplasma ovipneumonia in whole serum. Anal Chim Acta 2020; 1126:91-99. [DOI: 10.1016/j.aca.2020.06.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/10/2020] [Accepted: 06/08/2020] [Indexed: 01/02/2023]
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14
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Kou Y, Wu T, Xing G, Huang X, Han D, Yang S, Guo C, Gao W, Yang J, Liu Y, Wang D. Highly efficient and recyclable catalyst: porous Fe 3O 4-Au magnetic nanocomposites with tailored synthesis. NANOTECHNOLOGY 2020; 31:225701. [PMID: 32167934 DOI: 10.1088/1361-6528/ab767b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this work, we reported the tailored design of highly efficient Fe3O4-Au magnetic nanocomposite (MNP) catalysts. Fe3O4 nanocrystals with three different morphologies have been developed with engineered amounts of urea, and the plausible mechanism has been proposed. Then by controlling the amount of Au seeds, Fe3O4-Au MNPs with different morphologies and tunable Au deposition have been realized. Characterizations including x-ray diffraction (XRD), transmission electron microscopy (TEM), Mössbauer spectra, and elemental mapping are implemented to unveil the structural and physical characteristics of the successfully developed Fe3O4-Au MNPs with different morphologies. The catalytic ability of Fe3O4-Au MNPs with different morphologies have been compared by applying them to degrading RhB and 4-NP, meanwhile the correlation between the amount of Au seeds and the turnover frequency as well as the catalytic ability of Fe3O4-Au MNPs is investigated systematically. We found that the flower-like Fe3O4-Au MNPs with 20 ml Au seeds added achieved the best degradation efficiency of 96.7%, and their catalytic ability were almost unchanged after recycling. Out study sheds the light into the tailored design of highly efficient and recyclable catalysts for RhB and 4-NP.
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Affiliation(s)
- Yichuan Kou
- College of Physics, Jilin Normal University, Siping 136000, People's Republic of China. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, People's Republic of China
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Gopalan Sibi M, Verma D, Kim J. Magnetic core–shell nanocatalysts: promising versatile catalysts for organic and photocatalytic reactions. CATALYSIS REVIEWS 2020. [DOI: 10.1080/01614940.2019.1659555] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Malayil Gopalan Sibi
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
| | - Deepak Verma
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
| | - Jaehoon Kim
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
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16
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Tang H, Wang H, Yang C, Zhao D, Qian Y, Li Y. Nanopore-based Strategy for Selective Detection of Single Carcinoembryonic Antigen (CEA) Molecules. Anal Chem 2020; 92:3042-3049. [DOI: 10.1021/acs.analchem.9b04185] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Haoran Tang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Hao Wang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Cheng Yang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Dandan Zhao
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Yuanyuan Qian
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Yongxin Li
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
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Chai H, Wang M, Zhang C, Tang Y, Miao P. Highly Sensitive Genosensing Coupling Rolling Circle Amplification with Multiple DNAzyme Cores for DNA Walking. Bioconjug Chem 2020; 31:764-769. [DOI: 10.1021/acs.bioconjchem.9b00861] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Hua Chai
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, P.R. China
| | | | - Chongyu Zhang
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, P.R. China
- Jinan Guokeyigong Science and Technology Development Co., Ltd., Jinan 250103, P.R. China
| | - Yuguo Tang
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, P.R. China
| | - Peng Miao
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, P.R. China
- Department of Chemistry, New York University, New York, New York 10003, United States
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Campuzano S, Gamella M, Serafín V, Pedrero M, Yáñez-Sedeño P, Pingarrón JM. Biosensing and Delivery of Nucleic Acids Involving Selected Well-Known and Rising Star Functional Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1614. [PMID: 31739523 PMCID: PMC6915577 DOI: 10.3390/nano9111614] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/10/2019] [Accepted: 11/12/2019] [Indexed: 12/27/2022]
Abstract
In the last fifteen years, the nucleic acid biosensors and delivery area has seen a breakthrough due to the interrelation between the recognition of nucleic acid's high specificity, the great sensitivity of electrochemical and optical transduction and the unprecedented opportunities imparted by nanotechnology. Advances in this area have demonstrated that the assembly of nanoscaled materials allows the performance enhancement, particularly in terms of sensitivity and response time, of functional nucleic acids' biosensing and delivery to a level suitable for the construction of point-of-care diagnostic tools. Consequently, this has propelled detection methods using nanomaterials to the vanguard of the biosensing and delivery research fields. This review overviews the striking advancement in functional nanomaterials' assisted biosensing and delivery of nucleic acids. We highlight the advantages demonstrated by selected well-known and rising star functional nanomaterials (metallic, magnetic and Janus nanomaterials) focusing on the literature produced in the past five years.
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Affiliation(s)
- Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (M.G.); (V.S.); (M.P.)
| | | | | | | | - Paloma Yáñez-Sedeño
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (M.G.); (V.S.); (M.P.)
| | - José Manuel Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (M.G.); (V.S.); (M.P.)
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Gao H, Wen L, Hua W, Tian J, Lin Y. Highly sensitive immunosensing platform for one-step detection of genetically modified crops. Sci Rep 2019; 9:16117. [PMID: 31695115 PMCID: PMC6834675 DOI: 10.1038/s41598-019-52651-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/10/2019] [Indexed: 12/18/2022] Open
Abstract
The wide cultivation of genetically modified (GM) insect-resistant crops has raised concerns on the risks to the eco-environment resulting from a release of Cry proteins. Therefore, it is vital to develop a method for the quantification of GM crops. Herein, A highly sensitive immunosensing platform has been developed for both colorimetric and chemiluminescent (CL) detection of Cry 1Ab using dual-functionalized gold nanoparticles (AuNPs) as signal amplification nanoprobes for the first time. In this work, anti-Cry 1Ab monoclonal antibody and horseradish peroxidase (HRP) are simultaneously functionalized on the surface of AuNPs with an exceptionally simple synthesis method. Combined with immunomagnetic separation, this immunosensing platform based on colorimetric method could detect Cry 1Ab in one step in a linear range from 1.0 to 40 ng mL−1 within 1.5 h, with a limit of detection of 0.50 ng mL−1. The sensitivity of fabricated nanoprobes was 15.3 times higher than that using commercial HRP-conjugated antibody. Meanwhile, the fabricated nanoprobes coupled with CL detection was successfully applied for Cry 1Ab detection with a minimum detection concentration of 0.050 ng mL−1 within a linear range of 0.10–20 ng mL−1. The proposed approach was validated with genuine GM crops, and the results showed a good correlation coefficient of 0.9906 compared to those of a commercial ELISA kit. Compared with ELISA, the developed immunosensing platform significantly simplified the assay procedure and shortened the analytical time, thus providing a new platform for the detection of genetically modified crops with high sensitivity, rapidity and simplicity.
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Affiliation(s)
- Hongfei Gao
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Oil Crop Biology of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Luke Wen
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Wei Hua
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Jing Tian
- MOE Key Laboratory of Environment Correlative Dietology, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Yongjun Lin
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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20
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Sousa JB, Ramos-Jesus J, Silva LC, Pereira C, de-Los-Santos-Álvarez N, Fonseca RAS, Miranda-Castro R, Delerue-Matos C, Santos Júnior JR, Barroso MF. Fe 3O 4@Au nanoparticles-based magnetoplatform for the HMGA maize endogenous gene electrochemical genosensing. Talanta 2019; 206:120220. [PMID: 31514891 DOI: 10.1016/j.talanta.2019.120220] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/29/2019] [Accepted: 08/02/2019] [Indexed: 11/25/2022]
Abstract
This work addresses a technological advance applied to the construction of a magnetogenoassay with electrochemical transduction for the maize taxon-specific (HMGA gene) detection using gold-coated magnetic nanoparticles as nanosized platform. Superparamagnetic core-shell Fe3O4@Au nanoparticles (10.4 ± 1.7 nm) were used to assemble the genoassay through the covalent immobilization of HMGA DNA probes onto carboxylated self-assembled monolayers at the nanoparticles surface. A hybridization reaction using sandwich format was selected to prevent inefficient hybridization connected with stable secondary DNA structures using also fluorescein isothiocyanate as DNA signaling tag. The labelling of the hybridization reaction with enzymes allowed the chronoamperometric measurement of the peroxidase activity linked to the nanoplatform located on gold surface. Using this electrochemical magnetogenoassay a linear concentration range from 0.5 to 5 nM and a LOD of 90 pM with a RSD <1.2% was calculated. Certified maize was evaluated without further purification after PCR amplification. This work highlights the efficacy of the electrochemical magnetogenoassay for the HMGA detection, showing its potential as alternative procedure for the verification of the compliance of the legislation.
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Affiliation(s)
- Juliana Beatriz Sousa
- Programa de Pós-graduação em Biotecnologia - RENORBIO, Pró-reitoria de pesquisa e pós-graduação, Universidade Federal do Piauí - UFPI, Teresina, Brasil; REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - Joilson Ramos-Jesus
- Núcleo de Pesquisa em Biodiversidade e Biotecnologia, UFPI, Parnaíba, Brazil
| | - L C Silva
- Instituto de Ciências Biológicas - ICB/UPE, Recife, Brazil
| | - C Pereira
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | | | | | - R Miranda-Castro
- Dpto. Química Física y Analítica, Universidad de Oviedo, Oviedo, Spain
| | - C Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - J Ribeiro Santos Júnior
- Programa de Pós-graduação em Biotecnologia - RENORBIO, Pró-reitoria de pesquisa e pós-graduação, Universidade Federal do Piauí - UFPI, Teresina, Brasil
| | - M Fátima Barroso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal.
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Ultrasensitive electrochemical genosensor for detection of CaMV35S gene with Fe 3O 4-Au@Ag nanoprobe. Talanta 2019; 206:120205. [PMID: 31514877 DOI: 10.1016/j.talanta.2019.120205] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 12/14/2022]
Abstract
We report an attomolar sensitive electrochemical genosensor for the detection of cauliflower mosaic virus 35S (CaMV35S) gene. The sandwich-type genosensor uses gold-silver core-shell (Au@Ag)-loaded iron oxide (Fe3O4) nanocomposite (Fe3O4-Au@Ag) as label of signal DNA probe (sDNA). Electrochemical sensing is accomplished at interface of electrodeposited AuNPs and carboxylated multiwalled carbon nanotubes-modified glassy carbon electrode through the specific interaction between the capture probe and target CaMV35S (tDNA), and tDNA and the labeled sDNA. The detection sensitivity was improved by the amplified reduction signal of hydrogen peroxide (H2O2), which takes advantage of the enhanced electrocatalytic activity of Fe3O4-Au@Ag. Under the optimal experimental conditions, an ultralow limit of detection was calculated to be 1.26 × 10-17 M (S/N = 3), and the blank value subtracted reduction signal of H2O2 of the sensor increased linearly with the logarithm of CaMV35S concentration over a wide range (1 × 10-16 M to 1 × 10-10 M). This genosensor displayed excellent stability, selectivity and reproducibility, and was successful in detecting the target CaMV35S in genetically modified tomato samples.
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Gao H, Wen L, Tian J, Wu Y, Liu F, Lin Y, Hua W, Wu G. A portable electrochemical immunosensor for highly sensitive point-of-care testing of genetically modified crops. Biosens Bioelectron 2019; 142:111504. [PMID: 31401226 DOI: 10.1016/j.bios.2019.111504] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/02/2019] [Accepted: 07/12/2019] [Indexed: 01/27/2023]
Abstract
The wide cultivation of genetically modified (GM) crops has raised concerns on the risks to humans and the environment. 5-enolpyruvylshikimate-3-phosphate synthase isolated from Agrobacterium species strain CP4 (CP4-EPSPS) protein is most widely present in these crops. Therefore the measurement of CP4-EPSPS sensitively in a point-of-care testing (POCT) manner for the screening of transgenic plants is demanded. To date the development of quantitative POCT system has not yet been reported. In presented study, an electrochemical immunosensor towards CP4-EPSPS has been fabricated by integrating a portable bioanalytical device with a disposable screen-printed carbon electrode (SPCE) for POCT of GM crops. The dual-functionalized AuNPs were used as nanoprobes and prepared by simultaneously tagging horseradish peroxidase (HRP) and antibody on AuNPs with an exceptionally simple protocol. The sensitivity of the developed nanoprobe-based immunosensor was 62.5-fold higher than that using HRP-labeled antibody. As a result, the proposed immunosensor using SPCE could detect CP4-EPSPS down to 0.050 ng mL-1 with the linear range of 0.10-10 ng mL-1 within 65 min. In addition, the developed method has been validated with genuine GM crops and the results show a good correlation coefficient of 0.9909 compared with those of a commercial ELISA kit. Therefore, this portable electrochemical immunosensor is suitable for rapid and sensitive detection and provides a convenient and reliable platform for POCT assay.
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Affiliation(s)
- Hongfei Gao
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Luke Wen
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Jing Tian
- MOE Key Laboratory of Environment Correlative Dietology, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yuhua Wu
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Fang Liu
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Yongjun Lin
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.
| | - Wei Hua
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China.
| | - Gang Wu
- Key Laboratory of Oil Crop Biology of the Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China.
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Chen L, Liu M, Tang Y, Chen C, Wang X, Hu Z. Preparation and Properties of a Low Fouling Magnetic Nanoparticle and Its Application to the HPV Genotypes Assay in Whole Serum. ACS APPLIED MATERIALS & INTERFACES 2019; 11:18637-18644. [PMID: 31026394 DOI: 10.1021/acsami.9b04147] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Gold magnetic particles as a new carrier of disease diagnosis probes have attracted wide attention but encountered a bottleneck. That is, the interfacial properties of gold magnetic particles are susceptible to the influence of nonspecific biological molecules in actual diagnostic samples. Here, a novel nanoparticle made by the covalent attachment of polyethyleneimine and hyperbranched polyether polyol onto the gold shell surface of a magnetic bead demonstrated not only low fouling properties but also excellent stability in a variety of external environments, especially in complex biological systems. Most importantly, in its application as the probe for sensitive and selective fluorescence detection of high-risk human papillomavirus (HPV) genotypes 18, 16 in buffer, even in 100% serum, a good linear correlation with the concentration of HPV18/16 target DNA ranging from 5 nM to 1 μM was shown with the low detection limits. To our knowledge, this is one of the few successful examples of direct application of magnetic beads to the detection of disease markers in whole serum, suggesting that this material has good commercial potential and value.
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Affiliation(s)
- Lihua Chen
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, Ministry of Education; Shandong Key Laboratory of Biochemical Analysis; Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Shandong Province; Key Laboratory of Eco-Chemical Engineering; College of Chemistry and Molecular Engineering , Qingdao University of Science and Technology , Qingdao 266042 , P. R. China
- Key Laboratory of Prevention and Control of Animal Disease of Xinjiang Corps. College of Animal Science and Technology , Shihezi University , 832000 Shihezi , Xinjiang , P. R. China
| | - Mingchao Liu
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, Ministry of Education; Shandong Key Laboratory of Biochemical Analysis; Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Shandong Province; Key Laboratory of Eco-Chemical Engineering; College of Chemistry and Molecular Engineering , Qingdao University of Science and Technology , Qingdao 266042 , P. R. China
| | - Yan Tang
- Key Laboratory of Prevention and Control of Animal Disease of Xinjiang Corps. College of Animal Science and Technology , Shihezi University , 832000 Shihezi , Xinjiang , P. R. China
| | - Chuangfu Chen
- Key Laboratory of Prevention and Control of Animal Disease of Xinjiang Corps. College of Animal Science and Technology , Shihezi University , 832000 Shihezi , Xinjiang , P. R. China
| | - Xingxing Wang
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, Ministry of Education; Shandong Key Laboratory of Biochemical Analysis; Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Shandong Province; Key Laboratory of Eco-Chemical Engineering; College of Chemistry and Molecular Engineering , Qingdao University of Science and Technology , Qingdao 266042 , P. R. China
| | - Zhiqiang Hu
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, Ministry of Education; Shandong Key Laboratory of Biochemical Analysis; Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Shandong Province; Key Laboratory of Eco-Chemical Engineering; College of Chemistry and Molecular Engineering , Qingdao University of Science and Technology , Qingdao 266042 , P. R. China
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Lee MH, Leu CC, Lin CC, Tseng YF, Lin HY, Yang CN. Gold-decorated magnetic nanoparticles modified with hairpin-shaped DNA for fluorometric discrimination of single-base mismatch DNA. Mikrochim Acta 2019; 186:80. [PMID: 30627942 DOI: 10.1007/s00604-018-3192-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 12/15/2018] [Indexed: 11/25/2022]
Abstract
The authors describe the use of gold-decorated magnetic nanoparticles (Au/MNPs) in discriminating DNA sequences with a single-base (guanine) mismatch. The Au/MNPs were characterized through dynamic light scattering, X-ray diffraction, superconducting quantum interference device, and UV/visible spectroscopy. They were then conjugated to a probe oligomer consisting of a hairpin-shaped DNA sequence carrying two signalling fluorophores: fluorescein at its 3' end and pyrene in the loop region. When interacting with the target DNA sequences, the hybridized probe-target duplex renders the pyrene signal (at excitation/emission wavelengths of 345/375 nm) either quenched or unquenched. Quenching (or nonquenching) of the pyrene fluorescence depends on the presence of a guanine (or a nonguanine) nucleotide at the designated polymorphic site. The linear range of hybridization in these Au/MNPs is from 0.1 nM to 1.0 μM of ssDNA. Conceivably, this system may serve as a single-nucleotide polymorphism probe. Graphical Abstract Schematic presentation of probe-conjugated Au/MNP preparation (upper panel) and working principle to discriminate DNA with or without single-base (guanine) mismatch sequences at the polymorphic sites (lower panel). Py denotes pyrene-hooked pyrrolocytidine; F denotes fluorescein.
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Affiliation(s)
- Mei-Hwa Lee
- Department of Materials Science and Engineering, I-Shou University, Kaohsiung, 84001, Taiwan
| | - Ching-Chich Leu
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, 81148, Taiwan
| | - Cheng-Chih Lin
- Division of Pulmonary Medicine, Department of Internal Medicine, Armed-Forces Zuoying General Hospital, Kaohsiung, 81342, Taiwan
| | - Yu-Fan Tseng
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, 81148, Taiwan
| | - Hung-Yin Lin
- Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, 81148, Taiwan.
- Department of Chemical and Materials Engineering, National University of Kaohsiung, 700, Kaohsiung University Road, Nan-Tzu District, Kaohsiung, 811, Taiwan.
| | - Chia-Ning Yang
- Department of Life Sciences, National University of Kaohsiung, Kaohsiung, 81148, Taiwan.
- Department of Life Sciences, National University of Kaohsiung, 700, Kaohsiung University Road, Nan-Tzu District, Kaohsiung, 811, Taiwan.
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Qian C, Wang R, Wu H, Ping J, Wu J. Recent advances in emerging DNA-based methods for genetically modified organisms (GMOs) rapid detection. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.09.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Fe3O4/Au binary nanocrystals: Facile synthesis with diverse structure evolution and highly efficient catalytic reduction with cyclability characteristics in 4-nitrophenol. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2018.06.037] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Plácido A, Pereira C, Guedes A, Barroso MF, Miranda-Castro R, de-Los-Santos-Álvarez N, Delerue-Matos C. Electrochemical genoassays on gold-coated magnetic nanoparticles to quantify genetically modified organisms (GMOs) in food and feed as GMO percentage. Biosens Bioelectron 2018; 110:147-154. [PMID: 29609161 DOI: 10.1016/j.bios.2018.03.042] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 03/04/2018] [Accepted: 03/19/2018] [Indexed: 01/31/2023]
Abstract
The integration of nanomaterials in the field of (bio)sensors has allowed developing strategies with improved analytical performance. In this work, ultrasmall core-shell Fe3O4@Au magnetic nanoparticles (MNPs) were used as the platform for the immobilization of event-specific Roundup Ready (RR) soybean and taxon-specific DNA sequences. Firstly, monodisperse Fe3O4 MNPs were synthesized by thermal decomposition and subsequently coated with a gold shell through reduction of Au(III) precursor on the surface of the MNPs in the presence of an organic capping agent. This nanosupport exhibited high colloidal stability, average particle size of 10.2 ± 1.3 nm, and spherical shape. The covalent immobilization of ssDNA probe onto the Au shell of the Fe3O4@Au MNPs was achieved through a self-assembled monolayer (SAM) created from mixtures of alkane thiols (6-mercapto-1-hexanol and mercaptohexanoic acid). The influence of the thiols ratio on the electrochemical performance of the resulting electrochemical genoassays was studied, and remarkably, the best analytical performance was achieved for a pure mercaptohexanoic acid SAM. Two quantification assays were designed; one targeting an RR sequence and a second targeting a reference soybean gene, both with a sandwich format for hybridization, signaling probes labelled with fluorescein isothiocyanate (FITC), enzymatic amplification and chronoamperometric detection at screen-printed carbon electrodes (SPCE). The magnetogenoassays exhibited linear ranges from 0.1 to 10.0 nM and from 0.1 to 5.0 nM with similar detection limits of 0.02 nM and 0.05 nM for the event-specific (RR) and the taxon-specific (lectin) targets, respectively. The usefulness of the approach was demonstrated by its application to detect genetically modified organisms (GMOs) in feed and food.
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Affiliation(s)
- Alexandra Plácido
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
| | - Clara Pereira
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Alexandra Guedes
- Centro de Geologia e Departamento de Geociências, Ambiente e Ordenamento do Território, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - M Fátima Barroso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
| | - Rebeca Miranda-Castro
- Departamento de Química Física y Analítica, Av. Julián Clavería 8, 33006 Oviedo, Spain
| | | | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
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Prasad P, Sachan S, Suman S, Swayambhu G, Gupta S. Regenerative Core-Shell Nanoparticles for Simultaneous Removal and Detection of Endotoxins. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7396-7403. [PMID: 29806945 DOI: 10.1021/acs.langmuir.8b00978] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Detection and removal of lipopolysaccharides (LPS) from food and pharmaceutical preparations is important for their safe intake and administration to avoid septic shock. We have developed an abiotic system for reversible capture, removal, and detection of LPS in aqueous solutions. Our system comprises long C18 acyl chains tethered to Fe3O4/Au/Fe3O4 nanoflowers (NFs) that act as solid supports during the separation process. The reversible LPS binding is mediated by facile hydrophobic interactions between the C18 chains and the bioactive lipid A component present on the LPS molecule. Various parameters such as pH, solvent, sonication time, NF concentration, alkane chain length, and density are optimized to achieve a maximum LPS capture efficiency. The NFs can be reused at least three times by simply breaking the NF-LPS complexes in the presence of food-grade surfactants, making the entire process safe, efficient, and scalable. The regenerated particles also serve as colorimetric labels in dot blot bioassays for simple and rapid estimation of the LPS removed.
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Affiliation(s)
- Puja Prasad
- Department of Chemical Engineering , Indian Institute of Technology (IIT) Delhi , New Delhi 110016 , India
| | - Siddharth Sachan
- Department of Chemical Engineering , Indian Institute of Technology (IIT) Delhi , New Delhi 110016 , India
| | - Sneha Suman
- Department of Chemical Engineering , Indian Institute of Technology (IIT) Delhi , New Delhi 110016 , India
| | - Girish Swayambhu
- Department of Chemical Engineering , Indian Institute of Technology (IIT) Delhi , New Delhi 110016 , India
| | - Shalini Gupta
- Department of Chemical Engineering , Indian Institute of Technology (IIT) Delhi , New Delhi 110016 , India
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Chen Y, Zhang Y, Kou Q, Liu Y, Han D, Wang D, Sun Y, Zhang Y, Wang Y, Lu Z, Chen L, Yang J, Xing SG. Enhanced Catalytic Reduction of 4-Nitrophenol Driven by Fe₃O₄-Au Magnetic Nanocomposite Interface Engineering: From Facile Preparation to Recyclable Application. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E353. [PMID: 29789457 PMCID: PMC5977367 DOI: 10.3390/nano8050353] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 05/18/2018] [Accepted: 05/18/2018] [Indexed: 01/22/2023]
Abstract
In this work, we report the enhanced catalytic reduction of 4-nitrophenol driven by Fe₃O₄-Au magnetic nanocomposite interface engineering. A facile solvothermal method is employed for Fe₃O₄ hollow microspheres and Fe₃O₄-Au magnetic nanocomposite synthesis via a seed deposition process. Complementary structural, chemical composition and valence state studies validate that the as-obtained samples are formed in a pure magnetite phase. A series of characterizations including conventional scanning/transmission electron microscopy (SEM/TEM), Mössbauer spectroscopy, magnetic testing and elemental mapping is conducted to unveil the structural and physical characteristics of the developed Fe₃O₄-Au magnetic nanocomposites. By adjusting the quantity of Au seeds coating on the polyethyleneimine-dithiocarbamates (PEI-DTC)-modified surfaces of Fe₃O₄ hollow microspheres, the correlation between the amount of Au seeds and the catalytic ability of Fe₃O₄-Au magnetic nanocomposites for 4-nitrophenol (4-NP) is investigated systematically. Importantly, bearing remarkable recyclable features, our developed Fe₃O₄-Au magnetic nanocomposites can be readily separated with a magnet. Such Fe₃O₄-Au magnetic nanocomposites shine the light on highly efficient catalysts for 4-NP reduction at the mass production level.
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Affiliation(s)
- Yue Chen
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yuanyuan Zhang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Qiangwei Kou
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yang Liu
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Donglai Han
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China.
| | - Dandan Wang
- Technology Development Department, GLOBALFOUNDRIES (Singapore) Pte. Ltd., 60 Woodlands Industrial Park D, Street 2, Singapore 738406, Singapore.
| | - Yantao Sun
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yongjun Zhang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yaxin Wang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Ziyang Lu
- School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Lei Chen
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Jinghai Yang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Scott Guozhong Xing
- United Microelect Corp. Ltd., 3 Pasir Ris Dr 12, Singapore 519528, Singapore.
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Liu Y, Zhang Y, Kou Q, Chen Y, Sun Y, Han D, Wang D, Lu Z, Chen L, Yang J, Xing SG. Highly Efficient, Low-Cost, and Magnetically Recoverable FePt⁻Ag Nanocatalysts: Towards Green Reduction of Organic Dyes. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E329. [PMID: 29757998 PMCID: PMC5977343 DOI: 10.3390/nano8050329] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 05/11/2018] [Accepted: 05/11/2018] [Indexed: 11/17/2022]
Abstract
Nowadays, synthetic organic dyes and pigments discharged from numerous industries are causing unprecedentedly severe water environmental pollution, and conventional water treatment processes are hindered due to the corresponding sophisticated aromatic structures, hydrophilic nature, and high stability against light, temperature, etc. Herein, we report an efficient fabrication strategy to develop a new type of highly efficient, low-cost, and magnetically recoverable nanocatalyst, i.e., FePt⁻Ag nanocomposites, for the reduction of methyl orange (MO) and rhodamine B (RhB), by a facile seed deposition process. X-ray diffraction results elaborate that the as-synthesized FePt⁻Ag nanocomposites are pure disordered face-centered cubic phase. Transmission electron microscopy studies demonstrate that the amount of Ag seeds deposited onto the surfaces of FePt nanocrystals increases when increasing the additive amount of silver colloids. The linear correlation of the MO and RhB concentration versus reaction time catalyzed by FePt⁻Ag nanocatalysts is in line with pseudo-first-order kinetics. The reduction rate constants of MO and RhB increase with the increase of the amount of Ag seeds. FePt⁻Ag nanocomposites show good separation ability and reusability, and could be repeatedly applied for nearly complete reduction of MO and RhB for at least six successive cycles. Such cost-effective and recyclable nanocatalysts provide a new material family for use in environmental protection applications.
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Affiliation(s)
- Yang Liu
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yuanyuan Zhang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Qiangwei Kou
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yue Chen
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Yantao Sun
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Donglai Han
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China.
| | - Dandan Wang
- Technology Development Department, GLOBALFOUNDRIES (Singapore) Pte. Ltd., 60 Woodlands Industrial Park D, Street 2, Singapore 738406, Singapore.
| | - Ziyang Lu
- School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Lei Chen
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Jinghai Yang
- College of Physics, Jilin Normal University, Siping 136000, China.
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China.
| | - Scott Guozhong Xing
- United Microelect Corp. Ltd., 3 Pasir Ris Dr 12, Singapore 519528, Singapore.
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Dutta Chowdhury A, Ganganboina AB, Tsai YC, Chiu HC, Doong RA. Multifunctional GQDs-Concanavalin A@Fe 3O 4 nanocomposites for cancer cells detection and targeted drug delivery. Anal Chim Acta 2018; 1027:109-120. [PMID: 29866260 DOI: 10.1016/j.aca.2018.04.029] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 04/05/2018] [Indexed: 01/08/2023]
Abstract
Multifunctional nanocomposites containing intrinsic property for serving as the sensing elements as well as targeted nanoconjugates are highly preferred in various therapeutic applications. In this work, nanocomposites of graphene quantum dots (GQDs) and Fe3O4 with conjugation of lectin protein, concanavalin A, to form GQD-ConA@Fe3O4 nanocomposites are developed for both detection of cancer cell and release of drugs to HeLa cells. The GQD-ConA@Fe3O4 nanocomposites deposited on Pt electrode can detect cancerous HeLa cells over normal endothelial cells with a dynamic linear range of 5 × 102 to 1 × 105 cells mL-1 with a detection limit of 273 cell mL-1. The GQD-ConA@Fe3O4 also can serve as nanocarriers for loading and delivering doxorubicin (Dox). The in vitro cell images show that the Dox concentration in HeLa cells is enhanced more than double in the presence of external magnetic field due to the incorporation of Fe3O4 in the nanocarrier. The cytotoxicity assay indicates that the susceptibility of cancerous HeLa cells to Dox is 13% higher than that of normal cells, confirming the selective role of ConA in nanocarriers. Results clearly indicate the GQD-ConA@Fe3O4 nanocomposites as a promising material for cancer cell detection and targeted Dox release toward HeLa cells which can serve as the multifunctional platform for novel cancer cell diagnostic and therapeutic applications.
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Affiliation(s)
- Ankan Dutta Chowdhury
- Institute of Environmental Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan, ROC
| | - Akhilesh Babu Ganganboina
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan, ROC
| | - Yuan-Chung Tsai
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan, ROC
| | - Hsin-Cheng Chiu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan, ROC.
| | - Ruey-An Doong
- Institute of Environmental Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan, ROC; Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan, ROC.
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32
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Liu Y, Zhang YY, Kou QW, Chen Y, Han DL, Wang DD, Lu ZY, Chen L, Yang JH, Xing S. Eco-friendly seeded Fe 3O 4-Ag nanocrystals: a new type of highly efficient and low cost catalyst for methylene blue reduction. RSC Adv 2018; 8:2209-2218. [PMID: 35542618 PMCID: PMC9077205 DOI: 10.1039/c7ra11348j] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 01/03/2018] [Indexed: 12/17/2022] Open
Abstract
Hybrid Fe3O4-Ag nanocrystals, a new type of highly efficient and reusable catalyst for methylene blue (MB) reduction, are fabricated by a novel seed deposition process. X-ray diffraction and Mössbauer spectroscopy results show that the developed iron oxides are in a pure magnetite Fe3O4 phase. Upon manipulating the amount of Ag seeds capsuled on the modified surfaces of Fe3O4 nanocrystals, the catalytic capacities on the reduction of MB can be precisely adjusted with a tunable fabrication cost control. The linear correlation of the reduced MB concentration versus reaction time catalyzed by our developed hybrid Fe3O4-Ag nanocrystals is coherent with pseudo first order kinetics. Importantly, with remarkable recyclability features, the hybrid Fe3O4-Ag nanocrystals can be easily separated by applying an external magnetic field. The tailored catalytic performances of the hybrid Fe3O4-Ag nanocrystals during MB reduction are attributed to the optimized dynamic electron transfer process, which dominates the electrochemical mechanism wherein the nucleophilic BH4 - ions donate electrons to electrophilic organic MB through Ag seeds in a regulated amount. Such developed hybrid Fe3O4-Ag nanocrystals pave the way towards the mass production of highly efficient and low cost catalysts for methylene blue reduction.
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Affiliation(s)
- Y Liu
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - Y Y Zhang
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - Q W Kou
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - Y Chen
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - D L Han
- School of Materials Science and Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - D D Wang
- Technology Development Department, GLOBALFOUNDRIES (Singapore) Pte. Ltd. 60 Woodlands Industrial Park D, Street 2 Singapore 738406 Singapore
| | - Z Y Lu
- School of Environment and Safety Engineering, Jiangsu University Zhenjiang 212013 China
| | - L Chen
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - J H Yang
- College of Physics, Jilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University Changchun 130103 China
| | - S Xing
- United Microelect Corp. Ltd. 3 Pasir Ris Dr 12 Singapore 519528 Singapore +86 434 3294566 +86 434 3294566
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Kaur B, Malecka K, Cristaldi DA, Chay CS, Mames I, Radecka H, Radecki J, Stulz E. Approaching single DNA molecule detection with an ultrasensitive electrochemical genosensor based on gold nanoparticles and cobalt-porphyrin DNA conjugates. Chem Commun (Camb) 2018; 54:11108-11111. [DOI: 10.1039/c8cc05362f] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An ultrasensitive genosensor is obtained by using gold nanoparticles and cobalt-porphyrin labelled DNA reporter strands with an attomolar detection limit.
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Affiliation(s)
- Balwinder Kaur
- Institute of Animal Reproduction and Food Research
- Polish Academy of Sciences
- 10-748 Olsztyn
- Poland
| | - Kamila Malecka
- Institute of Animal Reproduction and Food Research
- Polish Academy of Sciences
- 10-748 Olsztyn
- Poland
| | - Domenico A. Cristaldi
- School of Chemistry & Institute for Life Sciences
- University of Southampton
- Southampton SO17 1BJ
- UK
| | - Clarissa S. Chay
- School of Chemistry & Institute for Life Sciences
- University of Southampton
- Southampton SO17 1BJ
- UK
| | - Iwona Mames
- School of Chemistry & Institute for Life Sciences
- University of Southampton
- Southampton SO17 1BJ
- UK
| | - Hanna Radecka
- Institute of Animal Reproduction and Food Research
- Polish Academy of Sciences
- 10-748 Olsztyn
- Poland
| | - Jerzy Radecki
- Institute of Animal Reproduction and Food Research
- Polish Academy of Sciences
- 10-748 Olsztyn
- Poland
| | - Eugen Stulz
- School of Chemistry & Institute for Life Sciences
- University of Southampton
- Southampton SO17 1BJ
- UK
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34
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Tran VT, Kim J, Tufa LT, Oh S, Kwon J, Lee J. Magnetoplasmonic Nanomaterials for Biosensing/Imaging and in Vitro/in Vivo Biousability. Anal Chem 2017; 90:225-239. [PMID: 29088542 DOI: 10.1021/acs.analchem.7b04255] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Van Tan Tran
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
| | - Jeonghyo Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
| | - Lemma Teshome Tufa
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
| | - Sangjin Oh
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
| | - Junyoung Kwon
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
| | - Jaebeom Lee
- Department of Cogno-Mechatronics Engineering, Pusan National University , Busan, 609-735 Republic of Korea
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35
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Luo Z, Wang Y, Lu X, Chen J, Wei F, Huang Z, Zhou C, Duan Y. Fluorescent aptasensor for antibiotic detection using magnetic bead composites coated with gold nanoparticles and a nicking enzyme. Anal Chim Acta 2017; 984:177-184. [PMID: 28843561 DOI: 10.1016/j.aca.2017.06.037] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 06/20/2017] [Accepted: 06/26/2017] [Indexed: 11/17/2022]
Abstract
Antibiotic abuse has been bringing serious pollution in water, which is closely related to human health. It is desirable to develop a new strategy for antibiotic detection. To address this problem, a sensitive fluorescent aptasensor for antibiotic detection was developed by utilizing gold nanoparticles modified magnetic bead composites (AuNPs/MBs) and nicking enzyme. AuNPs/MBs were synthesized with the help of polyethylenimine (PEI). The prepared AuNPs/MBs acted as dual-functional scaffolds that owned excellent magnetic separation capacity and strong covalent bio-conjugation. The non-specifically absorbed aptamers in AuNPs/MBs were less than that in MBs. Hence, the fluorescent aptasensor based on AuNPs/MBs show a better signal to background ratio than that based on carboxyl modified magnetic beads (MBs). In this work, ampicillin was employed as a model analyte. In the presence of ampicillin, the specific binding between ampicillin and aptamer induced structure-switching that led to the release of partial complementary DNA (cDNA) of aptamer. Then, the released cDNA initiated the cycle of nicking enzyme assisted signal amplification (NEASA). Therefore, a large amount of taqman probes were cleaved and fluorescence signal was amplified. The prepared fluorescent aptasensor bring sensitive detection in range of 0.1-100 ng mL-1 with the limit of detection of 0.07 ng mL-1. Furthermore, this aptasensor was also successfully applied in real sample detection with acceptable accuracy. The fluorescent aptasensor provides a promising method for efficient, rapid and sensitive antibiotic detection.
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Affiliation(s)
- Zewei Luo
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Yimin Wang
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Xiaoyong Lu
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Junman Chen
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Fujing Wei
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Zhijun Huang
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China
| | - Chen Zhou
- Department of Laboratory Science in Public Health, West China School of Public Health, Sichuan University, Chengdu, 610041, China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu, 610064, China.
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36
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Fodjo EK, Gabriel KM, Serge BY, Li D, Kong C, Trokourey A. Selective synthesis of Fe 3O 4Au x Ag y nanomaterials and their potential applications in catalysis and nanomedicine. Chem Cent J 2017; 11:58. [PMID: 29086848 PMCID: PMC5482793 DOI: 10.1186/s13065-017-0288-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 06/17/2017] [Indexed: 12/13/2022] Open
Abstract
In these recent years, magnetite (Fe3O4) has witnessed a growing interest in the scientific community as a potential material in various fields of application namely in catalysis, biosensing, hyperthermia treatments, magnetic resonance imaging (MRI) contrast agents and drug delivery. Their unique properties such as metal-insulator phase transitions, superconductivity, low Curie temperature, and magnetoresistance make magnetite special and need further investigation. On the other hand, nanoparticles especially gold nanoparticles (Au NPs) exhibit striking features that are not observed in the bulk counterparts. For instance, the mentioned ferromagnetism in Au NPs coated with protective agents such as dodecane thiol, in addition to their aptitude to be used in near-infrared (NIR) light sensitivity and their high adsorptive ability in tumor cell, make them useful in nanomedicine application. Besides, silver nanoparticles (Ag NPs) are known as an antimicrobial agent. Put together, the [Formula: see text] nanocomposites with tunable size can therefore display important demanding properties for diverse applications. In this review, we try to examine the new trend of magnetite-based nanomaterial synthesis and their application in catalysis and nanomedicine.
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Affiliation(s)
- Essy Kouadio Fodjo
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
| | - Koffi Mouroufié Gabriel
- Institut National Polytechnique Felix Houphouet-Boigny, BP 1093, Yamoussoukro, Côte d’Ivoire
| | - Brou Yapi Serge
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
| | - Dan Li
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 People’s Republic of China
| | - Cong Kong
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 300, Jungong Road, Yangpu, Shanghai, 200090 People’s Republic of China
| | - Albert Trokourey
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
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37
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Miao P, Tang Y, Wang L. DNA Modified Fe 3O 4@Au Magnetic Nanoparticles as Selective Probes for Simultaneous Detection of Heavy Metal Ions. ACS APPLIED MATERIALS & INTERFACES 2017; 9:3940-3947. [PMID: 28079364 DOI: 10.1021/acsami.6b14247] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Driven by the urgent need to detect trace heavy metal ions in various real water samples, this article demonstrates for the first time an electrochemical biosensor based on DNA modified Fe3O4@Au magnetic nanoparticles (NPs). Three DNA probes are designed to contain certain mismatched base pairs. One is thiolated and modified on the surface of Fe3O4@Au NPs (DNA 1). The other two probes (DNA 2 and 3) are labeled with two independent electrochemical species. Stable structures of cytosine-Ag+-cytosine and thymine-Hg2+-thymine formed in the presence of Ag+ and Hg2+ can assist the hybridization of DNA 1/DNA 2 and DNA 1/DNA 3, which locate corresponding electrochemical species onto the surface of the magnetic NPs. The achieved nanocomposites are then used as selective electrochemical probes for the detection of heavy metal ions by recording the square wave voltammetry signals. Simultaneous detection of Ag+ and Hg2+ is demonstrated without significant interference, and their individual high sensitivities are fundamentally preserved, which meet the requirements of U.S. Environmental Protection Agency (USEPA). Furthermore, the proposed method has been challenged by various real water samples. The results confirm the DNA modified magnetic NPs based sensing method may have potential applications for the monitoring of heavy metal ions in real sample analysis.
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Affiliation(s)
- Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yuguo Tang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Lei Wang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
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38
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Yáñez-Sedeño P, Campuzano S, Pingarrón JM. Magnetic Particles Coupled to Disposable Screen Printed Transducers for Electrochemical Biosensing. SENSORS 2016; 16:s16101585. [PMID: 27681733 PMCID: PMC5087374 DOI: 10.3390/s16101585] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 09/20/2016] [Accepted: 09/22/2016] [Indexed: 12/28/2022]
Abstract
Ultrasensitive biosensing is currently a growing demand that has led to the development of numerous strategies for signal amplification. In this context, the unique properties of magnetic particles; both of nano- and micro-size dimensions; have proved to be promising materials to be coupled with disposable electrodes for the design of cost-effective electrochemical affinity biosensing platforms. This review addresses, through discussion of selected examples, the way that nano- and micro-magnetic particles (MNPs and MMPs; respectively) have contributed significantly to the development of electrochemical affinity biosensors, including immuno-, DNA, aptamer and other affinity modes. Different aspects such as type of magnetic particles, assay formats, detection techniques, sensitivity, applicability and other relevant characteristics are discussed. Research opportunities and future development trends in this field are also considered.
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Affiliation(s)
- Paloma Yáñez-Sedeño
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - José M Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
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