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Bai Y, Xu L, Chai H, Zhou L, Jiang G, Zhang G. Recent Advances on DNAzyme-Based Biosensors for Detection of Uranyl. Front Chem 2022; 10:882250. [PMID: 35572119 PMCID: PMC9091443 DOI: 10.3389/fchem.2022.882250] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
Nuclear facilities are widely used in fields such as national defense, industry, scientific research, and medicine, which play a huge role in military and civilian use. However, in the process of widespread application of nuclear technology, uranium and its compounds with high carcinogenic and biologically toxic cause a lot of environmental problems, such as pollutions of water, atmosphere, soil, or ecosystem. Bioensors with sensitivity and specificity for the detection of uranium are highly demand. Nucleic acid enzymes (DNAzyme) with merits of high sensitivity and selectivity for targets as excellent molecular recognition elements are commonly used for uranium sensor development. In this perspective review, we summarize DNAzyme-based biosensors for the quantitative detection of uranyl ions by integrating with diverse signal outputting strategies, such as fluorescent, colorimetry, surface-enhanced Raman scattering, and electrochemistry. Different design methods, limit of detection, and practical applications are fully discussed. Finally, the challenges, potential solutions, and future prospects of such DNAzyme-based sensors are also presented.
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Affiliation(s)
- Yunlong Bai
- Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation, Beijing, China
| | - Lechang Xu
- Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation, Beijing, China
- *Correspondence: Lechang Xu, ; Guangyao Zhang,
| | - Huining Chai
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, China
| | - Lei Zhou
- Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation, Beijing, China
| | - Guoping Jiang
- Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation, Beijing, China
| | - Guangyao Zhang
- Intelligent Wearable Engineering Research Center of Qingdao, Research Center for Intelligent and Wearable Technology, College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China
- *Correspondence: Lechang Xu, ; Guangyao Zhang,
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2
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Sun L, Liu J, Li L, Zhen D, Dai Z, Tang S, Zhu B, Chen L, Chen H, Gong M, Tang Z, Hu Y. Advances of biosensors for UO22+ detecting based on specific DNAzyme. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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3
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Guo W, Xu H, Chen C, Cao X, Ma J, Liu Y. Determination of U(VI) by differential pulse stripping voltammetry using a polydopamine/reduced graphene oxide nanocomposite modified glassy carbon electrode. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107111] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Sánchez-Visedo A, Ferrero FJ, Costa-Fernández JM, Fernández-Argüelles MT. Inorganic nanoparticles coupled to nucleic acid enzymes as analytical signal amplification tools. Anal Bioanal Chem 2022; 414:5201-5215. [PMID: 35292825 PMCID: PMC8923336 DOI: 10.1007/s00216-022-03998-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 11/30/2022]
Abstract
Nucleic acid enzymes (NAzymes) are a class of nucleic acid molecules with catalytic activity, which can be modulated by the presence of different species such as metal ions, genetic biomarkers, small molecules or proteins, among others. NAzymes offer several important advantages for development of novel bioanalytical strategies, resulting from their functionality as specific recognition elements and as amplified analytical signal generators, making them ideal candidates for developing highly specific bioanalytical strategies for the detection of a wide variety of targets. When coupled with the exceptional features of inorganic nanoparticles (NPs), the sensitivity of the assays can be significantly improved, allowing the detection of targets using many different detection techniques including visual readout, spectrophotometry, fluorimetry, electrochemiluminescence, voltammetry, and single-particle inductively coupled plasma-mass spectrometry. Here we provide an overview of the fundamentals of novel strategies developed to achieve analytical signal amplification based on the use of NAzymes coupled with inorganic NPs. Some representative examples of such strategies for the highly sensitive detection of different targets will be presented, including metal ions, proteins, DNA- or RNA-based biomarkers, and small molecules or microorganisms. Furthermore, future prospective challenges will be discussed.
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Affiliation(s)
- Adrián Sánchez-Visedo
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain.
| | - Francisco Javier Ferrero
- Department of Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, Campus de Gijón, Sede 3, 33204, Gijon (Asturias), Spain
| | - José M Costa-Fernández
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain
| | - María T Fernández-Argüelles
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain
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5
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Borberg E, Meir R, Burstein L, Krivitsky V, Patolsky F. Ultrafast high-capacity capture and release of uranium by a light-switchable nanotextured surface. NANOSCALE ADVANCES 2021; 3:3615-3626. [PMID: 36133730 PMCID: PMC9419512 DOI: 10.1039/d1na00277e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/05/2021] [Indexed: 06/16/2023]
Abstract
Nuclear power is growing in demand as a promising sustainable energy source, its most prevalent source being uranium salts. The resulting processing and transportation of uranium raise concerns regarding the environmental impact and risks for human health. Close proximity to uranium mines puts populations at higher risk for exposure due to elevated uranium concentrations. As the main form of uranium in aqueous solutions, uranyl (UO2 2+) has been the focus of many methods of uranium sieving; most fall short by being time-consuming or lacking a retrieval mechanism for the captured uranium. Here, we demonstrate the ultrafast and selective uranyl-capturing properties of aptamer-modified branched silicon nanopillar (BSiNP) arrays. Our nanostructured surfaces demonstrate an ultrahigh surface area modified with a uranyl-specific DNA aptamer, allowing for high uranyl-capturing capacity, reaching up to 550 mg g-1. Uranyl capture is followed by the activation of a covalently bonded photoacid, causing a light-triggerable, ultrafast release. This capture-and-release cycle results in the collection of over 70% of the uranium found in the original samples within less than one hour.
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Affiliation(s)
- Ella Borberg
- School of Chemistry, Faculty of Exact Sciences, Tel Aviv University Tel Aviv 69978 Israel
| | - Reut Meir
- School of Chemistry, Faculty of Exact Sciences, Tel Aviv University Tel Aviv 69978 Israel
- Department of Analytical Chemistry, Nuclear Research Centre Negev Beer-Sheva 84190 Israel
| | - Larisa Burstein
- The Wolfson Applied Materials Research Centre, Tel-Aviv University Tel-Aviv 69978 Israel
| | - Vadim Krivitsky
- School of Chemistry, Faculty of Exact Sciences, Tel Aviv University Tel Aviv 69978 Israel
| | - Fernando Patolsky
- School of Chemistry, Faculty of Exact Sciences, Tel Aviv University Tel Aviv 69978 Israel
- Department of Materials Science and Engineering, The Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University Tel Aviv 69978 Israel
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6
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Meir R, Zverzhinetsky M, Harpak N, Borberg E, Burstein L, Zeiri O, Krivitsky V, Patolsky F. Direct Detection of Uranyl in Urine by Dissociation from Aptamer-Modified Nanosensor Arrays. Anal Chem 2020; 92:12528-12537. [PMID: 32842739 DOI: 10.1021/acs.analchem.0c02387] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
An ever-growing demand for uranium in various industries raises concern for human health of both occupationally exposed personnel and the general population. Toxicological effects related to uranium (natural, enriched, or depleted uranium) intake involve renal, pulmonary, neurological, skeletal, and hepatic damage. Absorbed uranium is filtered by the kidneys and excreted in the urine, thus making uranium detection in urine a primary indication for exposure and body burden assessment. Therefore, the detection of uranium contamination in bio-samples (urine, blood, saliva, etc.,) is of crucial importance in the field of occupational exposure and human health-related applications, as well as in nuclear forensics. However, the direct determination of uranium in bio-samples is challenging because of "ultra-low" concentrations of uranium, inherent matrix complexity, and sample diversity, which pose a great analytical challenge to existing detection methods. Here, we report on the direct, real-time, sensitive, and selective detection of uranyl ions in unprocessed and undiluted urine samples using a uranyl-binding aptamer-modified silicon nanowire-based field-effect transistor (SiNW-FET) biosensor, with a detection limit in the picomolar concentration range. The aptamer-modified SiNW-FET presented in this work enables the simple and sensitive detection of uranyl in urine samples. The experimental approach has a straight-forward implementation to other metals and toxic elements, given the availability of target-specific aptamers. Combining the high surface-to-volume ratio of SiNWs, the high affinity and selectivity of the uranyl-binding aptamer, and the distinctive sensing methodology gives rise to a practical platform, offering simple and straightforward sensing of uranyl levels in urine, suitable for field deployment and point-of-care applications.
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Affiliation(s)
- Reut Meir
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel.,Department of Analytical Chemistry, Nuclear Research Center, Negev, Beer-Sheva 84190, Israel
| | - Marina Zverzhinetsky
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Nimrod Harpak
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ella Borberg
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Larisa Burstein
- Wolfson Applied Materials Research Center, Tel Aviv University, Tel Aviv 69978, Israel
| | - Offer Zeiri
- Department of Analytical Chemistry, Nuclear Research Center, Negev, Beer-Sheva 84190, Israel
| | - Vadim Krivitsky
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Fernando Patolsky
- School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel.,Department of Materials Science and Engineering, the Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
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7
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Amplified electrochemical determination of UO 22+ based on the cleavage of the DNAzyme and DNA-modified gold nanoparticle network structure. Mikrochim Acta 2020; 187:311. [PMID: 32367432 DOI: 10.1007/s00604-020-04263-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 04/03/2020] [Indexed: 12/27/2022]
Abstract
A superior electrochemical biosensor was designed for the determination of UO22+ in aqueous solution by integration of DNAzyme and DNA-modified gold nanoparticle (DNA-AuNP) network structure. Key features of this method include UO22+ inducing the cleavage of the DNAzyme and signal amplification of DNA-AuNP network structure. In this electrochemical method, the DNA-AuNP network structure can be effectively modified on the surface of gold electrode and then employed as an ideal signal amplification unit to generate amplified electrochemical response by inserting a large amount of electrochemically active indicator methylene blue (MB). In the presence of UO22+, the specific sites on DNA-AuNP network structure can be cleaved by UO22+, releasing the DNA-AuNP network structure with detectable reduction of electrochemical response intensity. The electrochemical response intensity is related to the concentration of UO22+. The logarithm of electrochemical response intensity and UO22+ concentration showed a wide linear range of 10~100 pM, and the detection limit reached 8.1 pM (S/N = 3). This method is successfully used for determination of UO22+ in water samples. Graphical abstract Fabricated DNAzyme network structure for enhanced electrical signal. Numerical experiments show that the current signal decreases as the concentration of UO22+ increases. It can be seen that the biosensors could be used to detect UO22+ in aqueous solution effectively.
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8
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Huang YQ, Zhang X, Xue JH, Liu L, Chen SH, Wang YS. Sensitive and selective assay of uranyl based on the aggregation induced fluorescent quenching of protamine capped gold nanoclusters. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 226:117649. [PMID: 31629983 DOI: 10.1016/j.saa.2019.117649] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/26/2019] [Accepted: 10/09/2019] [Indexed: 06/10/2023]
Abstract
The protamine capped gold nanoclusters (AuNCs@PRT) were synthesized by an one-pot approach, and utilized as a nanoprobe for highly sensitive and selective assay of U(VI) ions. The method is based on the aggregation induced fluorescent quenching of AuNCs@PRT by U(VI) ions. Under optimum conditions, the decrease of fluorescence intensity displayed a good linear correlation with the concentration of U(VI) ions ranging from 20.4 nM to 9.74 μM, with a detection limit of 6.1 nM. The relative standard deviations were 3.86%, 1.41% and 1.71% via 11 detections at concentrations of 40 nM, 0.40 μM and 4.0 μM of U(VI), respectively. The quenching mechanism was demonstrated to be due to the binding of U(VI) towards PRT to cause the aggregation of AuNCs@PRT rather than metal-metal interaction. The results suggest the potential application of this approach for monitoring the level of U(VI) in environmental samples.
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Affiliation(s)
- Yan-Qin Huang
- College of Public Health, University of South China, Hengyang, 421001, PR China
| | - Xia Zhang
- College of Public Health, University of South China, Hengyang, 421001, PR China
| | - Jin-Hua Xue
- College of Public Health, University of South China, Hengyang, 421001, PR China
| | - Ling Liu
- College of Public Health, University of South China, Hengyang, 421001, PR China
| | - Si-Han Chen
- College of Public Health, University of South China, Hengyang, 421001, PR China
| | - Yong-Sheng Wang
- College of Public Health, University of South China, Hengyang, 421001, PR China.
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9
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Yang L, Qian Y, Kong XY, Si M, Zhao Y, Niu B, Zhao X, Wei Y, Jiang L, Wen L. Specific Recognition of Uranyl Ion Employing a Functionalized Nanochannel Platform for Dealing with Radioactive Contamination. ACS APPLIED MATERIALS & INTERFACES 2020; 12:3854-3861. [PMID: 31874024 DOI: 10.1021/acsami.9b19544] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Radioactive contamination is a highly concerning global environmental issue along with the development of the nuclear industry. On account of sophisticated operations and high cost of instrument detection methods, numerous efforts have been focused on rapid and simple detection of pollution elements and uranium is the most common one. It is an enormous challenge to push the limit of determination as low as possible while carrying out ultrasensitive detection. Here, we report an intelligent platform based on functionalized solid nanochannels to monitor ultratrace uranyl ions. The platform has a detection limit of 1 fM, which is far below the value that traditional instrumental methods can reach. What is more, the system also exhibits uranyl removal property. The mesenchymal stem cells cultivated in media containing uranyl can achieve excellent viability in the presence of the membranes. This work provides a new choice for handling global radioactive contamination of water.
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Affiliation(s)
- Linsen Yang
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Yongchao Qian
- Shanxi Key Laboratory of Macromolecular Science and Technology, School of Science , Northwestern Polytechnical University , Xi'an 710072 , P. R. China
| | - Xiang-Yu Kong
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Mengting Si
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry , Peking University School and Hospital of Stomatology , Beijing 100081 , P. R. China
| | - Yuanyuan Zhao
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Bo Niu
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Xiaolu Zhao
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Yan Wei
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry , Peking University School and Hospital of Stomatology , Beijing 100081 , P. R. China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Liping Wen
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
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10
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11
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Farzin L, Shamsipur M, Sheibani S, Samandari L, Hatami Z. A review on nanomaterial-based electrochemical, optical, photoacoustic and magnetoelastic methods for determination of uranyl cation. Mikrochim Acta 2019; 186:289. [PMID: 30997559 DOI: 10.1007/s00604-019-3426-5] [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: 12/16/2018] [Accepted: 04/08/2019] [Indexed: 02/07/2023]
Abstract
This review (with 177 refs) gives an overview on nanomaterial-based methods for the determination of uranyl ion (UO22+) by different types of transducers. Following an introduction into the field, a first large section covers the fundamentals of selective recognition of uranyl ion by receptors such as antibodies, aptamers, DNAzymes, peptides, microorganisms, organic ionophores (such as salophens, catechols, phenanthrolines, annulenes, benzo-substituted macrocyclic diamides, organophosphorus receptors, calixarenes, crown ethers, cryptands and β-diketones), by ion imprinted polymers, and by functionalized nanomaterials. A second large section covers the various kinds of nanomaterials (NMs) used, specifically on NMs for electrochemical signal amplification, on NMs acting as signal tags or carriers for signal tags, on fluorescent NMs, on NMs for colorimetric assays, on light scattering NMs, on NMs for surface enhanced Raman scattering (SERS)-based assays and wireless magnetoelastic detection systems. We then discuss detection strategies, with subsections on electrochemical methods (including ion-selective and potentiometric systems, voltammetric systems and impedimetric systems). Further sections treat colorimetric, fluorometric, resonance light scattering-based, SERS-based and photoacoustic methods, and wireless magnetoelastic detection. The current state of the art is summarized, and current challenges are discussed at the end. Graphical abstract An overview is given on nanomaterial-based methods for the detection of uranyl ion by different types of transducers (such as electrochemical, optical, photoacoustic, magnetoelastic, etc) along with a critical discussion of their limitations, benefits and application to real samples.
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Affiliation(s)
- Leila Farzin
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran.
| | - Mojtaba Shamsipur
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran.
| | - Shahab Sheibani
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran
| | - Leila Samandari
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran
| | - Zahra Hatami
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran
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12
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He W, Hua D. Spectrographic sensors for uranyl detection in the environment. Talanta 2019; 201:317-329. [PMID: 31122429 DOI: 10.1016/j.talanta.2019.04.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/04/2019] [Accepted: 04/07/2019] [Indexed: 02/06/2023]
Abstract
More and more severe energy problem triggers extensive application of nuclear energy, and the adverse effects brought by nuclear materials such as uranyl to the environment are becoming the concern, as it has become a threat to human's health. Therefore, the detection of uranyl is increasingly important, which aims to make the application of uranium under surveillance and protection. A lot of detection methods employing varying materials based on different techniques for uranyl have been proposed including those using expensive and complicated instruments such as ICP-MS, ESI-MS, and neutron activation analysis etc. Those methods based on expensive instruments often provide quite low limit of detection (LOD) and excellent validity and repeatability, however, methods that are low-cost, convenient and rapid are in demand because these are satisfied characters for on-site and in-time determination. In the review, we discuss uranyl sensors based on spectrographic techniques, which is facile and promising for rapid assessment of uranium content in practical application. Spectrographic techniques including fluorescence, UV-vis spectrophotometry, resonance light scattering (RLS) and surface enhanced Raman scattering (SERS) are evaluated. In detail, the core materials that playing extremely important roles in detection performance are stated consisting of small molecule, biomolecule, polymer and nanomaterial.
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Affiliation(s)
- Weiwei He
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou, 215123, China; Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, 215123, China
| | - Daoben Hua
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou, 215123, China; Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, 215123, China.
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13
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Manochehry S, McConnell EM, Tram KQ, Macri J, Li Y. Colorimetric Detection of Uranyl Using a Litmus Test. Front Chem 2018; 6:332. [PMID: 30140672 PMCID: PMC6095041 DOI: 10.3389/fchem.2018.00332] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 07/16/2018] [Indexed: 01/10/2023] Open
Abstract
Ingestion of water containing toxic contaminants above levels deemed safe for human consumption can occur unknowingly since numerous common contaminants in drinking water are colorless and odorless. Uranyl is particularly problematic as it has been found at dangerous levels in sources of drinking water. Detection of this heavy metal-ion species in drinking water currently requires sending a sample to a laboratory where trained personnel use equipment to perform the analysis and turn-around times can be long. A pH-responsive colorimetric biosensor was developed to enable detection of uranyl in water which coupled the uranyl-specific 39E DNAzyme as a recognition element, and an enzyme capable of producing a pH change as the reporter element. The rapid colorimetric assay presented herein can detect uranyl in lake and well water at concentrations relevant for environmental monitoring, as demonstrated by the detection of uranyl at levels below the limits set for drinking water by major regulatory agencies including the World Health Organization (30 μg/L). This simple and inexpensive DNAzyme-based assay enabled equipment-free visual detection of 15 μg/L uranyl, using both solution-based and paper-based pH-dependent visualization strategies.
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Affiliation(s)
- Sepehr Manochehry
- Department of Biochemistry and Biomedical Sciences, McMaster UniversityHamilton, ON, Canada
| | - Erin M. McConnell
- Department of Biochemistry and Biomedical Sciences, McMaster UniversityHamilton, ON, Canada
| | - Kha Q. Tram
- Department of Chemistry and Chemical Biology, McMaster UniversityHamilton, ON, Canada
| | - Joseph Macri
- Department of Pathology and Molecular Medicine, McMaster UniversityHamilton, ON, Canada
- Hamilton Regional Laboratory Medicine ProgramHamilton, ON, Canada
| | - Yingfu Li
- Department of Biochemistry and Biomedical Sciences, McMaster UniversityHamilton, ON, Canada
- Department of Chemistry and Chemical Biology, McMaster UniversityHamilton, ON, Canada
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14
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Wang C, Chen D, Wang Q, Wang Q. Aptamer-based Resonance Light Scattering for Sensitive Detection of Acetamiprid. ANAL SCI 2018; 32:757-62. [PMID: 27396657 DOI: 10.2116/analsci.32.757] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this work, an aptasensor-based resonance light-scattering (RLS) method was developed for the sensitive and selective detection of acetamiprid. The ABA (acetamiprid binding aptamer)-stabilized gold nanoparticles (ABA-AuNPs) were used as a probe. Highly specific single-strand DNA (ssDNA, i.e, aptamers) that bind to acetamiprid with high affinity were employed to discriminate other pesticides, such as edifenphos, kanamycin, metribuzin et. al. The sensing approach is based on a specific interaction between acetamiprid and ABA. Aggregation of AuNPs was specifically induced by the desorption of the ABA from the surface of AuNPs, which caused the RLS signal intensity to be enhanced at 700 nm. The alteration of AuNPs' aggregation has been successfully optimized by controlling several conditions. Under the optimal conditions, the RLS intensity changes (I/I0) of AuNPs were linearly correlated with the acetamiprid concentration in the range of 0 - 100 nM. The detection limit is 1.2 nM (3σ). This method had also been used for acetamiprid detection in lake water samples.
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Affiliation(s)
- Chengke Wang
- College of Food and Biological Engineering, Jiangsu University
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15
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Zhu YF, Wang YS, Zhou B, Huang YQ, Li XJ, Chen SH, Wang XF, Tang X. Ultrasensitive detection of Ag(I) based on the conformational switching of a multifunctional aptamer probe induced by silver(I). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 189:190-194. [PMID: 28820971 DOI: 10.1016/j.saa.2017.08.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 08/05/2017] [Accepted: 08/09/2017] [Indexed: 06/07/2023]
Abstract
We for the first time confirmed that the low concentrations of Ag(I) could induce a silver specific aptamer probe (SAP) from a random coil sequence form to G-quadruplex structure. Thereby, a novel highly sensitive fluorescence strategy for silver(I) assay was established. The designed multifunctional SAP could act as a recognition element for Ag(I) and a signal reporter. The use of such a SAP can ultrasensitively and selectively detect Ag(I), giving a detection limit down to 0.64nM. This is much lower than those reported by related literatures. This strategy has been applied successfully for the detection of Ag(I) in real samples, further proving its reliability. Taken together, the designed SAP is not only a useful recognition and signal probe for silver, but also gives a platform to study the interaction of monovalent cations with DNA.
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Affiliation(s)
- Yu-Feng Zhu
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Yong-Sheng Wang
- College of Public Health, University of South China, Hengyang 421001, PR China.
| | - Bin Zhou
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Yan-Qin Huang
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Xue-Jiao Li
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Si-Han Chen
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Xiao-Feng Wang
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Xian Tang
- College of Public Health, University of South China, Hengyang 421001, PR China
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16
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Cheng X, Yu X, Chen L, Zhang H, Wu Y, Fu F. Visual detection of ultra-trace levels of uranyl ions using magnetic bead-based DNAzyme recognition in combination with rolling circle amplification. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2472-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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17
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Zhu YF, Wang YS, Zhou B, Yu JH, Peng LL, Huang YQ, Li XJ, Chen SH, Tang X, Wang XF. A multifunctional fluorescent aptamer probe for highly sensitive and selective detection of cadmium(II). Anal Bioanal Chem 2017; 409:4951-4958. [DOI: 10.1007/s00216-017-0436-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 04/13/2017] [Accepted: 05/29/2017] [Indexed: 11/28/2022]
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18
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Magnetic beads-based DNA hybridization chain reaction amplification and DNAzyme recognition for colorimetric detection of uranyl ion in seafood. Anal Chim Acta 2017; 956:63-69. [DOI: 10.1016/j.aca.2016.12.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/30/2016] [Accepted: 12/05/2016] [Indexed: 11/22/2022]
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19
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Xu L, Xiao X, Wang J, Peng P, Jiang M, Liao L. The detection of uranium(VI) with a synthesized ditopic bidentate ligand as probe by resonance light scattering. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5199-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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20
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Li XJ, Wang YS, Yang SY, Tang X, Liu L, Zhou B, Wang XF, Zhu YF, Huang YQ, He SZ. Determination of metallothioneins based on the enhanced peroxidase-like activity of mercury-coated gold nanoparticles aggregated by metallothioneins. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1828-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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21
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Zhu JH, Zhao X, Yang J, Tan YT, Zhang L, Liu SP, Liu ZF, Hu XL. Selective colorimetric and fluorescent quenching determination of uranyl ion via its complexation with curcumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 159:146-150. [PMID: 26845580 DOI: 10.1016/j.saa.2016.01.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 01/10/2016] [Accepted: 01/16/2016] [Indexed: 06/05/2023]
Abstract
Under pH4.0 HAc-NaAc buffer medium, curcumin alone possesses extraordinary weak fluorescence emission. Nevertheless, the introduction of Triton X-100 micelles can largely enhance the fluorescence intensity of curcumin. Uranyl ions can complex with micelles-capped curcumin, along with the slight red shift of curcumin fluorescence (about 1-7 nm), a clear decrement of absorbance (424 nm) and fluorescence (507 nm) intensities, and a distinct color change from bright yellow to orange. The fluorescence decrements (ΔF, 507 nm) are positively correlated to the amount of uranyl ions in the concentration range of 3.7×10(-6)-1.4×10(-5) mol L(-1). The detection limit of this fluorescence quenching methods is 3.7×10(-6) mol L(-1), which is nearly 9000 times lower than the maximum allowable level in drinking water proposed by World Health Organization. Good selectivity is achieved because of a majority of co-existing substances (such as Ce(4+), La(3+), and Th(4+)) do not affect the detection. The content of uranyl ions in tap water samples was determined by the proposed method with satisfactory results.
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Affiliation(s)
- Jing-Hui Zhu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Xin Zhao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Jidong Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China; School of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, PR China; School of Chemistry and Environment Engineering, Chongqing Three Gorges University, Wanzhou, Chongqing 404100, PR China
| | - Yu-Ting Tan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Lei Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shao-Pu Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Zhong-Fang Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Xiao-Li Hu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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22
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Magnetic beads-based DNAzyme recognition and AuNPs-based enzymatic catalysis amplification for visual detection of trace uranyl ion in aqueous environment. Biosens Bioelectron 2016; 78:73-79. [DOI: 10.1016/j.bios.2015.11.024] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 11/07/2015] [Accepted: 11/09/2015] [Indexed: 02/01/2023]
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23
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An ultrasensitive electrochemical biosensor for uranyl detection based on DNAzyme and target-catalyzed hairpin assembly. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1778-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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Gwak R, Kim H, Yoo SM, Lee SY, Lee GJ, Lee MK, Rhee CK, Kang T, Kim B. Precisely Determining Ultralow level UO2(2+) in Natural Water with Plasmonic Nanowire Interstice Sensor. Sci Rep 2016; 6:19646. [PMID: 26791784 PMCID: PMC4726367 DOI: 10.1038/srep19646] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 12/15/2015] [Indexed: 01/01/2023] Open
Abstract
Uranium is an essential raw material in nuclear energy generation; however, its use raises concerns about the possibility of severe damage to human health and the natural environment. In this work, we report an ultrasensitive uranyl ion (UO22+) detection method in natural water that uses a plasmonic nanowire interstice (PNI) sensor combined with a DNAzyme-cleaved reaction. UO22+ induces the cleavage of DNAzymes into enzyme strands and released strands, which include Raman-active molecules. A PNI sensor can capture the released strands, providing strong surface-enhanced Raman scattering signal. The combination of a PNI sensor and a DNAzyme-cleaved reaction significantly improves the UO22+ detection performance, resulting in a detection limit of 1 pM and high selectivity. More importantly, the PNI sensor operates perfectly, even in UO22+-contaminated natural water samples. This suggests the potential usefulness of a PNI sensor in practical UO22+-sensing applications. We anticipate that diverse toxic metal ions can be detected by applying various ion-specific DNA-based ligands to PNI sensors.
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Affiliation(s)
- Raekeun Gwak
- KAIST, Department of Chemistry, Daejeon 34141, Korea
| | - Hongki Kim
- KAIST, Department of Chemistry, Daejeon 34141, Korea
| | - Seung Min Yoo
- KAIST, Department of Chemical and Biomolecular Engineering, Daejeon 34141, Korea
| | - Sang Yup Lee
- KAIST, Department of Chemical and Biomolecular Engineering, Daejeon 34141, Korea
| | - Gyoung-Ja Lee
- KAERI, Nuclear Materials Development Division, Daejeon 34057, Korea
| | - Min-Ku Lee
- KAERI, Nuclear Materials Development Division, Daejeon 34057, Korea
| | - Chang-Kyu Rhee
- KAERI, Nuclear Materials Development Division, Daejeon 34057, Korea
| | - Taejoon Kang
- KRIBB, BioNanotechnology Research Center and BioNano Health Guard Research Center, Daejeon 34141, Korea.,UST, Major of Nanobiotechnology and Bioinformatics, Daejeon 34113, Korea
| | - Bongsoo Kim
- KAIST, Department of Chemistry, Daejeon 34141, Korea
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25
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Khodaveisi J, Shabani AMH, Dadfarnia S, Moghadam MR, Hormozi-Nezhad MR. Development of a novel method for determination of mercury based on its inhibitory effect on horseradish peroxidase activity followed by monitoring the surface plasmon resonance peak of gold nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 153:709-713. [PMID: 26474243 DOI: 10.1016/j.saa.2015.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 08/24/2015] [Accepted: 10/04/2015] [Indexed: 06/05/2023]
Abstract
A highly sensitive and simple indirect spectrophotometric method has been developed for the determination of trace amounts of inorganic mercury (Hg(2+)) in aqueous media. The method is based on the inhibitory effect of Hg(2+) on the activity of horseradish peroxidase (HRP) in the oxidation of ascorbic acid by hydrogen peroxide followed by the reduction of Au(3+) to Au-NPs by unreacted ascorbic acid and the measurement of the absorbance of localized surface plasmon resonance (LSPR) peak of gold nanoparticles (at 530 nm) which is directly proportional to the concentration of Hg(2+). Under the optimum conditions, the calibration curve was linear in the concentration range of 1-220 ng mL(-1). Limits of detection (LOD) and quantification (LOQ) were 0.2 and 0.7 ng mL(-1), respectively and the relative standard deviation at 100 ng mL(-1) level of Hg(2+) was 2.6%. The method was successfully applied to the determination of mercury in different water samples.
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Affiliation(s)
- Javad Khodaveisi
- Department of Chemistry, Faculty of Science, Yazd University, 89195-741 Yazd, Iran
| | | | - Shayessteh Dadfarnia
- Department of Chemistry, Faculty of Science, Yazd University, 89195-741 Yazd, Iran.
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26
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Yun W, Jiang J, Cai D, Wang X, Sang G, Liao J, Lu T, Yan K. Ultrasensitive electrochemical detection of UO22+ based on DNAzyme and isothermal enzyme-free amplification. RSC Adv 2016. [DOI: 10.1039/c5ra22773a] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel enzyme-free amplification biosensor for uranyl detection was developed based on UO22+-specific DNAzyme and a hybridization chain reaction.
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Affiliation(s)
- Wen Yun
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
| | - Jiaolai Jiang
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
| | - Dingzhou Cai
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
| | - Xiaofang Wang
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
| | - Ge Sang
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
| | - Junsheng Liao
- Science and Technology on Surface Physics and Chemistry Laboratory
- Jiangyou 621908
- China
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27
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Cao JX, Wang YS, Xue JH, Huang YQ, Li MH, Chen SH, Zhou B, Tang X, Wang XF, Zhu YF. Exonuclease III-assisted substrate fragment recycling amplification strategy for ultrasensitive detection of uranyl by a multipurpose DNAzyme. RSC Adv 2016. [DOI: 10.1039/c6ra20625e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Substrate fragment cleaved by UO22+ hybridizes with SSP6 to form dsDNA, triggering substrate fragment recycling amplification by Exo III.
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Affiliation(s)
- Jin-Xiu Cao
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
- The Fifth Affiliated Hospital
| | - Yong-Sheng Wang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Jin-Hua Xue
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Yan-Qin Huang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Ming-Hui Li
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Si-Han Chen
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Bin Zhou
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Xian Tang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Xiao-Feng Wang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Yu-Feng Zhu
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
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28
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Arsenazo III-functionalized gold nanoparticles for photometric determination of uranyl ion. Mikrochim Acta 2015. [DOI: 10.1007/s00604-015-1659-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Li MH, Wang YS, Cao JX, Chen SH, Tang X, Wang XF, Zhu YF, Huang YQ. Ultrasensitive detection of uranyl by graphene oxide-based background reduction and RCDzyme-based enzyme strand recycling signal amplification. Biosens Bioelectron 2015; 72:294-9. [DOI: 10.1016/j.bios.2015.05.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Revised: 05/02/2015] [Accepted: 05/12/2015] [Indexed: 11/15/2022]
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30
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Liu F, Du KJ, Fang Z, You Y, Wen GB, Lin YW. Chemical and biological insights into uranium-induced apoptosis of rat hepatic cell line. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2015; 54:207-216. [PMID: 25636514 DOI: 10.1007/s00411-015-0588-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 01/16/2015] [Indexed: 06/04/2023]
Abstract
Uranium release into the environment is a threat to human health, and the mechanisms of cytotoxicity caused by uranium are not well-understood. To improve our understanding in this respect, we herein evaluated the effects of uranium exposure on normal rat hepatic BRL cells. As revealed by scanning electron microscopy and transmission electron microscope analysis, uranyl nitrate was found to be transformed into uranyl phosphate particles in the medium and taken up by BRL cells in an endocytotic uptake manner, which presumably initiates apoptosis of the cell, although soluble uranyl ion may also be toxic. The apoptosis of BRL cells upon uranium exposure was also confirmed by both the acridine orange and ethidium bromide double staining assay and the Annexin V/propidium iodide double staining assay. Further studies revealed that uranium induced the loss of mitochondrial membrane potential in a dose-dependent manner. Moreover, the uranium-induced apoptosis was found to be associated with the activation of caspase-3, caspase-8 and caspase-9, indicating both a mitochondria-dependent signaling pathway and a death receptor pathway by a crosstalk. This study provides new chemical and biological insights into the mechanism of uranium toxicity toward hepatic cells, which will help seek approaches for biological remediation of uranium.
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Affiliation(s)
- Fang Liu
- Key Laboratory of Tumor Cellular and Molecular Pathology, University of South China, College of Hunan Province, Hengyang, 421001, China
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31
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Moosavi R, Afkhami A, Madrakian T. A simple cyanide sensing probe based on Ag/Fe3O4nanoparticles. RSC Adv 2015. [DOI: 10.1039/c4ra14806a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The first direct approach in ultra-trace cyanide determination through a simple, selective and rapid reaction by simply-synthesized recyclable Ag/Fe3O4nanostructures.
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Affiliation(s)
| | - Abbas Afkhami
- Faculty of Chemistry
- Bu-Ali Sina University
- Hamedan
- Iran
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32
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A resonance light scattering method for the determination of uranium based on a water-soluble salophen and oxalate. J Radioanal Nucl Chem 2014. [DOI: 10.1007/s10967-014-3225-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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A sensitive resonance light scattering assay for uranyl ion based on the conformational change of a nuclease-resistant aptamer and gold nanoparticles acting as signal reporters. Mikrochim Acta 2014. [DOI: 10.1007/s00604-014-1267-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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34
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Sun MH, Liu SQ, Du KJ, Nie CM, Lin YW. A spectroscopic study of uranyl-cytochrome b5/cytochrome c interactions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 118:130-137. [PMID: 24051281 DOI: 10.1016/j.saa.2013.08.112] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Revised: 08/28/2013] [Accepted: 08/28/2013] [Indexed: 06/02/2023]
Abstract
Uranium is harmful to human health due to its radiation damage and the ability of uranyl ion (UO2(2+)) to interact with various proteins and disturb their biological functions. Cytochrome b5 (cyt b5) is a highly negatively charged heme protein and plays a key role in mediating cytochrome c (cyt c) signaling in apoptosis by forming a dynamic cyt b5-cyt c complex. In previous molecular modeling study in combination with UV-Vis studies, we found that UO2(2+) is capable of binding to cyt b5 at surface residues, Glu37 and Glu43. In this study, we further investigated the structural consequences of cyt b5 and cyt c, as well as cyt b5-cyt c complex, upon uranyl binding, by fluorescence spectroscopic and circular dichroism techniques. Moreover, we proposed a uranyl binding site for cyt c at surface residues, Glu66 and Glu69, by performing a molecular modeling study. It was shown that uranyl binds to cyt b5 (KD=10 μM), cyt c (KD=87 μM), and cyt b5-cyt c complex (KD=30 μM) with a different affinity, which slightly alters the protein conformation and disturbs the interaction of cyt b5-cyt c complex. Additionally, we investigated the functional consequences of uranyl binding to the protein surface, which decreases the inherent peroxidase activity of cyt c. The information of uranyl-cyt b5/cyt c interactions gained in this study likely provides a clue for the mechanism of uranyl toxicity.
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Affiliation(s)
- Mei-Hui Sun
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China
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35
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Ma D, Yuan Y, Xiao X, Gao Y, Li Y, Xu W, Long W. A label-free electrochemical biosensor for trace uranium based on DNAzymes and gold nanoparticles. J Radioanal Nucl Chem 2014. [DOI: 10.1007/s10967-013-2897-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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