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Tran-Thuy TM, Tran TP, Van Nguyen D. Cobalt-Doped Cryptomelane: Surface-Tailored Oxygen Defects and Efficiently Catalytic Ozonation of p-Nitrophenol. Top Catal 2022. [DOI: 10.1007/s11244-022-01773-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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2
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Choi SK. Nanomaterial-Enabled Sensors and Therapeutic Platforms for Reactive Organophosphates. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:224. [PMID: 33467113 PMCID: PMC7830340 DOI: 10.3390/nano11010224] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 12/29/2020] [Accepted: 01/14/2021] [Indexed: 01/15/2023]
Abstract
Unintended exposure to harmful reactive organophosphates (OP), which comprise a group of nerve agents and agricultural pesticides, continues to pose a serious threat to human health and ecosystems due to their toxicity and prolonged stability. This underscores an unmet need for developing technologies that will allow sensitive OP detection, rapid decontamination and effective treatment of OP intoxication. Here, this article aims to review the status and prospect of emerging nanotechnologies and multifunctional nanomaterials that have shown considerable potential in advancing detection methods and treatment modalities. It begins with a brief introduction to OP types and their biochemical basis of toxicity followed by nanomaterial applications in two topical areas of primary interest. One topic relates to nanomaterial-based sensors which are applicable for OP detection and quantitative analysis by electrochemical, fluorescent, luminescent and spectrophotometric methods. The other topic is directed on nanotherapeutic platforms developed as OP remedies, which comprise nanocarriers for antidote drug delivery and nanoscavengers for OP inactivation and decontamination. In summary, this article addresses OP-responsive nanomaterials, their design concepts and growing impact on advancing our capability in the development of OP sensors, decontaminants and therapies.
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Affiliation(s)
- Seok Ki Choi
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI 48109, USA;
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI 48109, USA
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3
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Zhai H, Xiao W, Li Y, Li R, Liu H, Yu L. Sensitive and selective determination of 4‐nitrophenol in water and food using modified polyethyleneimine‐capped carbon dots. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.201900494] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Hui‐Yun Zhai
- Department of Chemistry, School of ScienceTianjin University Tianjin China
| | - Wen‐Li Xiao
- School of Chemical and Environmental EngineeringXinjiang Institute of Engineering Urumqi Xinjiang China
| | - Yan Li
- School of Chemical and Environmental EngineeringXinjiang Institute of Engineering Urumqi Xinjiang China
| | - Rong‐Zhen Li
- Department of Chemistry, School of ScienceTianjin University Tianjin China
| | - Hua‐Ji Liu
- Department of Chemistry, School of ScienceTianjin University Tianjin China
| | - Li‐Ping Yu
- Department of Chemistry, School of ScienceTianjin University Tianjin China
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4
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Ning K, Xiang G, Wang C, Wang J, Qiao X, Zhang R, Jiang X, He L, Zhao W. UV-emitting polyelectrolyte-modified MoS2 quantum dots for selective determination of nitrophenol in water samples based on inner filter effect. CAN J CHEM 2020. [DOI: 10.1139/cjc-2019-0425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this work, poly(sodium 4-styrenesulfonate) (PSS) modified molybdenum disulfide quantum dots (MoS2-PSS QDs) were synthesized via a simple hydrothermal method using l-cysteine and anhydrous sodium molybdate as precursors and PSS as a modification reagent, and a selective and sensitive fluorescent sensing method for the determination of p-nitrophenol (p-NP) based on their UV emission was developed. The obtained MoS2-PSS QDs have an obvious UV emission peak (390 nm) with quantum yield of 5.13%. The strong absorption peak of p-NP at 400 nm has large spectral overlap with the UV emission peak (390 nm) of MoS2-PSS QDs. Because of this p-NP absorption, the fluorescence of MoS2-PSS QDs at 390 nm is quenched with the introduction of p-NP via the inner filter effect (IFE) and the decreased fluorescence intensity was linearly proportional to the p-NP concentration in the range of 1–20 μmol/L, leading to a detection limit of 0.13 μmol/L for p-NP. The MoS2 QDs-based fluorescent probe for p-NP is sensitive and selective and was successfully applied in the determination of p-NP in the pond water samples with satisfactory results.
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Affiliation(s)
- Keke Ning
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Guoqiang Xiang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
- Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Cuicui Wang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Jingxing Wang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Xiaohong Qiao
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Ruofei Zhang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Xiuming Jiang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Lijun He
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
| | - Wenjie Zhao
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, P.R. China
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Ravi AK, Punnakkal N, Punathil Vasu S, Nair BG, T.G. SB. Manganese dioxide based electrochemical sensor for the detection of nitro-group containing organophosphates in vegetables and drinking water samples. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113841] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Daneshyar A, Nematollahi D, Varmaghani F, Goljani H, Alizadeh H. Electrochemical synthesis of a new phosphonium betaine. Kinetic evaluation and antibacterial susceptibility. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134893] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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7
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Ghosh S, Mohajerani F, Son S, Velegol D, Butler PJ, Sen A. Motility of Enzyme-Powered Vesicles. NANO LETTERS 2019; 19:6019-6026. [PMID: 31429577 DOI: 10.1021/acs.nanolett.9b01830] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Autonomous nanovehicles powered by energy derived from chemical catalysis have potential applications as active delivery agents. For in vivo applications, it is necessary that the engine and its fuel, as well as the chassis itself, be biocompatible. Enzyme molecules have been shown to display enhanced motility through substrate turnover and are attractive candidates as engines; phospholipid vesicles are biocompatible and can serve as cargo containers. Herein, we describe the autonomous movement of vesicles with membrane-bound enzymes in the presence of the substrate. We find that the motility of the vesicles increases with increasing enzymatic turnover rate. The enhanced diffusion of these enzyme-powered systems was further substantiated in real time by tracking the motion of the vesicles using optical microscopy. The membrane-bound protocells that move by transducing chemical energy into mechanical motion serve as models for motile living cells and are key to the elucidation of the fundamental mechanisms governing active membrane dynamics and cellular movement.
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8
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Jain M, Yadav P, Joshi A, Kodgire P. Advances in detection of hazardous organophosphorus compounds using organophosphorus hydrolase based biosensors. Crit Rev Toxicol 2019; 49:387-410. [DOI: 10.1080/10408444.2019.1626800] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Monika Jain
- Discipline of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Priyanka Yadav
- Discipline of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Abhijeet Joshi
- Discipline of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Prashant Kodgire
- Discipline of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
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9
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Günther JP, Börsch M, Fischer P. Diffusion Measurements of Swimming Enzymes with Fluorescence Correlation Spectroscopy. Acc Chem Res 2018; 51:1911-1920. [PMID: 30160941 DOI: 10.1021/acs.accounts.8b00276] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Self-propelled chemical motors are chemically powered micro- or nanosized swimmers. The energy required for these motors' active motion derives from catalytic chemical reactions and the transformation of a fuel dissolved in the solution. While self-propulsion is now well established for larger particles, it is still unclear if enzymes, nature's nanometer-sized catalysts, are potentially also self-powered nanomotors. Because of its small size, any increase in an enzyme's diffusion due to active self-propulsion must be observed on top of the enzyme's passive Brownian motion, which dominates at this scale. Fluorescence correlation spectroscopy (FCS) is a sensitive method to quantify the diffusion properties of single fluorescently labeled molecules in solution. FCS experiments have shown a general increase in the diffusion constant of a number of enzymes when the enzyme is catalytically active. Diffusion enhancements after addition of the enzyme's substrate (and sometimes its inhibitor) of up to 80% have been reported, which is at least 1 order of magnitude higher than what theory would predict. However, many factors contribute to the FCS signal and in particular the shape of the autocorrelation function, which underlies diffusion measurements by fluorescence correlation spectroscopy. These effects need to be considered to establish if and by how much the catalytic activity changes an enzyme's diffusion. We carefully review phenomena that can play a role in FCS experiments and the determination of enzyme diffusion, including the dissociation of enzyme oligomers upon interaction with the substrate, surface binding of the enzyme to glass during the experiment, conformational changes upon binding, and quenching of the fluorophore. We show that these effects can cause changes in the FCS signal that behave similar to an increase in diffusion. However, in the case of the enzymes F1-ATPase and alkaline phosphatase, we demonstrate that there is no measurable increase in enzyme diffusion. Rather, dissociation and conformational changes account for the changes in the FCS signal in the former and fluorophore quenching in the latter. Within the experimental accuracy of our FCS measurements, we do not observe any change in diffusion due to activity for the enzymes we have investigated. We suggest useful control experiments and additional tests for future FCS experiments that should help establish if the observed diffusion enhancement is real or if it is due to an experimental or data analysis artifact. We show that fluorescence lifetime and mean intensity measurements are essential in order to identify the nature of the observed changes in the autocorrelation function. While it is clear from theory that chemically active enzymes should also act as self-propelled nanomotors, our FCS measurements show that the associated increase in diffusion is much smaller than previously reported. Further experiments are needed to quantify the contribution of the enzymes' catalytic activity to their self-propulsion. We hope that our findings help to establish a useful protocol for future FCS studies in this field and help establish by how much the diffusion of an enzyme is enhanced through catalytic activity.
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Affiliation(s)
- Jan-Philipp Günther
- Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany
- Institute of Physical Chemistry, University of Stuttgart, 70569 Stuttgart, Germany
| | - Michael Börsch
- Jena University Hospital, Friedrich-Schiller University Jena, 07743 Jena, Germany
| | - Peer Fischer
- Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany
- Institute of Physical Chemistry, University of Stuttgart, 70569 Stuttgart, Germany
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10
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Kim M, Kwon JE, Lee K, Koh WG. Signal-amplifying nanoparticle/hydrogel hybrid microarray biosensor for metal-enhanced fluorescence detection of organophosphorus compounds. Biofabrication 2018; 10:035002. [DOI: 10.1088/1758-5090/aab004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Xiao N, Liu SG, Mo S, Li N, Ju YJ, Ling Y, Li NB, Luo HQ. Highly selective detection of p-nitrophenol using fluorescence assay based on boron, nitrogen co-doped carbon dots. Talanta 2018; 184:184-192. [PMID: 29674031 DOI: 10.1016/j.talanta.2018.02.114] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 02/22/2018] [Accepted: 02/28/2018] [Indexed: 01/18/2023]
Abstract
p-Nitrophenol (p-NP) contaminants seriously endanger environmental and living beings health, hence to establish a sensitive and selective method is of great importance for the determination of p-NP. In this work, boron and nitrogen co-doped carbon dots (B,N-CDs) were synthesized by one-step hydrothermal method using 3-aminophenylboronic acid as the sole precursor. The product was characterized through high-resolution transmission electron microscopy, fluorescence spectroscopy, UV-visible absorption spectroscopy, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy. Without any functionalized modification, B,N-CDs can be directly applied as a 'turn-off' fluorescent probe for rapid, highly selective, and sensitive detection of p-NP. The fluorescent sensor based on the B,N-CDs exhibited a broad linear response to the concentration of p-NP in the range of 0.5 - 60 μM and 60 - 200 μM, respectively, and provided a detection limit of 0.2 μM. It was found that only the absorption spectrum of p-NP has a wide overlap with the fluorescence excitation and emission spectra of B,N-CDs compared to those of other representative analogues. The response mechanism was due to the inner filter effect and the formation of dynamic covalent B-O bonds between B,N-CDs and p-NP, which endowed the sensing platform with the rapid response and high selectivity to p-NP. Finally, the sensor showed the practicability of p-NP determination in environmental water samples.
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Affiliation(s)
- Na Xiao
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shi Gang Liu
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shi Mo
- Department of Physics, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Na Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yan Jun Ju
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yu Ling
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Nian Bing Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Hong Qun Luo
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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12
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Facile synthesis of Co xP decorated porous carbon microspheres for ultrasensitive detection of 4-nitrophenol. Talanta 2017; 179:448-455. [PMID: 29310259 DOI: 10.1016/j.talanta.2017.11.046] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/01/2017] [Accepted: 11/16/2017] [Indexed: 11/21/2022]
Abstract
A novel cobalt phosphide (CoxP, a mixture of CoP and Co2P) embedded within nitrogen-doped porous carbon microspheres was facilely prepared by pyrolysis of a composite precursor. The composite precursor was achieved by in-situ growth of Co-based zeolitic imidazolate framework (ZIF-67) on the Zn(PO4)x microspheres. The as-prepared CoxP decorated nitrogen-doped porous carbon microspheres (CoxP/NC) possess uniform distribution of graphite-encapsulated CoxP, a large surface area (826m2g-1) and abundant mesopores. It was found the CoxP/NC exhibited excellent electrocatalytic performances toward 4-nitrophenol (4-NP). Therefore, CoxP/NC was developed to fabricate an ultrasensitive electrochemical sensor for 4-NP by using differential pulse voltammetry (DPV). In comparison with glassy carbon electrode (GCE) and nitrogen-doped carbon (NC) modified GCE, the CoxP/NC modified GCE (CoxP/NC/GCE) showed a remarkable increase in DPV current toward 4-NP. Under optimized condition, an ultrahigh sensitivity of 20.9 (μA μmol-1 L) and a low detection limit of 2 × 10-9molL-1 (at a signal-to-noise ratio of 3, S/N = 3) for 4-NP were achieved. Additionally, the CoxP/NC/GCE was successfully applied to detect 4-NP in tap water with good recoveries for its attractive selectivity and repeatability, which indicated that CoxP/NC could be a promising candidate for analyzing 4-NP.
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13
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Zhang S, Gao L, Fan D, Lv X, Li Y, Yan Z. Synthesis of boron-doped g-C 3 N 4 with enhanced electro-catalytic activity and stability. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.01.046] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Biosensors and their applications in detection of organophosphorus pesticides in the environment. Arch Toxicol 2016; 91:109-130. [DOI: 10.1007/s00204-016-1875-8] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 10/10/2016] [Indexed: 01/08/2023]
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15
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Jiang Y, Zheng P, Li D, Zhou L, Tian L, Wang J, Yang B, Wang X, Zhang X, Gao J. Enzyme-containing silica inverse opals prepared by using water-soluble colloidal crystal templates: Characterization and application. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2016.04.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Chen D, Peng R, Zhou H, Liu H. Sensitive determination of 4-nitrophenol based on its enhancement of a peroxyoxalate chemiluminescence system containing graphene oxide quantum dots and fluorescein. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1799-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Geng S, Lin SM, Liu SG, Li NB, Luo HQ. A new fluorescent sensor for detecting p-nitrophenol based on β-cyclodextrin-capped ZnO quantum dots. RSC Adv 2016. [DOI: 10.1039/c6ra17378k] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Water-soluble fluorescent β-cyclodextrin-capped ZnO QDs were synthesized and used to detect p-NP, and the quenching mechanism was discussed.
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Affiliation(s)
- Shuo Geng
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education)
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Shu Min Lin
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education)
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Shi Gang Liu
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education)
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Nian Bing Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education)
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Hong Qun Luo
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education)
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
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18
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Pandith A, Kumar A, Kim HS. Imidazole-appended 9,10-anthracenedicarboxamide probe for sensing nitrophenols and selective determination of 2,4,6-trinitrophenol in an EtOH–water medium. RSC Adv 2016. [DOI: 10.1039/c6ra17407h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel imidazole-appended anthracenedicarboxamide probe (AIM-D) discriminated TNP among nitrophenols based on ratiometric response in 1 : 1 EtOH–H2O with a very low detection limit of 1 nM.
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Affiliation(s)
- Anup Pandith
- Department of Applied Chemistry
- School of Applied Chemical Engineering
- Kyungpook National University
- Daegu 41566
- Republic of Korea
| | - Ashwani Kumar
- Department of Applied Chemistry
- School of Applied Chemical Engineering
- Kyungpook National University
- Daegu 41566
- Republic of Korea
| | - Hong Seok Kim
- Department of Applied Chemistry
- School of Applied Chemical Engineering
- Kyungpook National University
- Daegu 41566
- Republic of Korea
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19
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Ghosh S. Epoxy-based oligomer bearing naphthalene units: fluorescent sensor for 4-nitrophenol. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.057] [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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20
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Huang J, Gu J, Meng Z, Jia X, Xi K. Signal enhancement of sensing nitroaromatics based on highly sensitive polymer dots. NANOSCALE 2015; 7:15413-15420. [PMID: 26334945 DOI: 10.1039/c5nr01489a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A new, rapid, sensitive, selective and portable fluorescence detection method for nitroaromatics based on polymer dots (Pdots) had been successfully developed not only in aqueous media but also in the solid state with test strips. The fluorescence quenching rates were proportional to the concentrations of 2,4,6-trinitrophenol (TNP) in the range of 0.2-20.0 μg mL(-1) and p-nitrophenol (PNP) in the range of 0.05-6.0 μg mL(-1), when Pdots were used as ratiometric fluorescent sensors in aqueous solution. The 3σ limit of detection of PNP reached 18.8 ng mL(-1). Compared with polymer-based detection for nitroaromatics in the organic phase, the signal enhancement effect was initially found when Pdots were used to detect nitroaromatics in the aqueous phase. The mechanism of the interaction between Pdots and nitroaromatics was revealed as an electron transfer phenomenon from the electron-rich chromophoric probe to the electron deficient nitroaromatics. The results indicated that Pdots-based detection was particularly suitable for on-site qualitative detection and quantitative analysis of nitroaromatics.
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Affiliation(s)
- Jin Huang
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, Nanjing University, Nanjing 210093, PR China.
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21
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Arulraj AD, Vijayan M, Vasantha VS. Highly selective and sensitive simple sensor based on electrochemically treated nano polypyrrole-sodium dodecyl sulphate film for the detection of para-nitrophenol. Anal Chim Acta 2015; 899:66-74. [DOI: 10.1016/j.aca.2015.09.055] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 09/10/2015] [Accepted: 09/30/2015] [Indexed: 10/22/2022]
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22
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Ko JH, Moon JH, Kang N, Park JH, Shin HW, Park N, Kang S, Lee SM, Kim HJ, Ahn TK, Lee JY, Son SU. Engineering of Sn–porphyrin networks on the silica surface: sensing of nitrophenols in water. Chem Commun (Camb) 2015; 51:8781-4. [DOI: 10.1039/c5cc02144h] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sn–porphyrin networks were engineered on the silica surface using the TLC plate. The resultant system showed emission-based selective and efficient sensing performance toward nitrophenols in water.
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23
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Shirini F, Yahyazadeh A, Mohammadi K. A solvent-free synthesis of coumarins using 1,3-disulfonic acid imidazolium hydrogen sulfate as a reusable and effective ionic liquid catalyst. RESEARCH ON CHEMICAL INTERMEDIATES 2014. [DOI: 10.1007/s11164-014-1733-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Santhiago M, Henry CS, Kubota LT. Low cost, simple three dimensional electrochemical paper-based analytical device for determination of p-nitrophenol. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.03.109] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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25
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Shoaei SM, Aghaei H, Monajjemi M, Aghaei M. Electrochemical Oxidation of Catechols in the Presence of Triethyl Phosphite. PHOSPHORUS SULFUR 2014. [DOI: 10.1080/10426507.2013.844138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Seyed Mohammad Shoaei
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Hossein Aghaei
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Majid Monajjemi
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mehran Aghaei
- Faculty of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran
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Kirsch J, Siltanen C, Zhou Q, Revzin A, Simonian A. Biosensor technology: recent advances in threat agent detection and medicine. Chem Soc Rev 2013; 42:8733-68. [DOI: 10.1039/c3cs60141b] [Citation(s) in RCA: 313] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Cao A, Tang Y, Liu Y. Novel fluorescent biosensor for α-glucosidase inhibitor screening based on cationic conjugated polymers. ACS APPLIED MATERIALS & INTERFACES 2012; 4:3773-3778. [PMID: 22823570 DOI: 10.1021/am3010913] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A new fluorescent biosensor has been designed to screen α-glucosidase inhibitors (AGIs) sensitively by utilizing signal amplification effect of conjugated polymers. The fluorescence of cationic poly(fluorenylene phenylene) (PFP) was quenched in the presence of para-nitrophenyl-α-d-glucopyranoside and α-glucosidase, and turned on upon addition of AGIs. Thus, a new method was developed for AGIs screening based on the fluorescence turn-off/turn-on. The IC(50) values obtained for inhibitors were compared with that reported using absorption spectroscopy. All results present the new method is more sensitive and promising in screening AGIs and inhibitors of other enzymes whose hydrolysis product is 4-nitrophenol.
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Walton I, Davis M, Munro L, Catalano VJ, Cragg PJ, Huggins MT, Wallace KJ. A fluorescent dipyrrinone oxime for the detection of pesticides and other organophosphates. Org Lett 2012; 14:2686-9. [PMID: 22594956 DOI: 10.1021/ol300799f] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An N,N-carbonyl-bridged dipyrrinone oxime has been synthesized and studied as a potential sensor for organophosphates. The molecular sensor underwent a drastic colorimetric response upon formation of the adduct. The pesticide dimethoate was found to produce the biggest spectral response, with a limit of detection equal to 4.0 ppm using UV-visible spectroscopy. Minimal fluorescence "turn on" via a PET mechanism was seen, and molecular modeling studies were used to explain the lower than expected PET response. The X-ray crystal structure of the fluorescent dipyrrinone oxime was also obtained.
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Affiliation(s)
- Ian Walton
- Department of Chemistry, University of West Florida, 11000 University Parkway, Pensacola, Florida 32514, USA
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Guan W, Han C, Wang X, Zou X, Pan J, Huo P, Li C. Molecularly imprinted polymer surfaces as solid-phase extraction sorbents for the extraction of 2-nitrophenol and isomers from environmental water. J Sep Sci 2012; 35:490-7. [DOI: 10.1002/jssc.201100768] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Azab HA, Duerkop A, Mogahed EM, Awad FK, Abd El Aal RM, Kamel RM. Fluorescence and Electrochemical Sensing of Pesticides Methomyl, Aldicarb and Prometryne by the Luminescent Europium-3-Carboxycoumarin Probe. J Fluoresc 2011; 22:659-76. [DOI: 10.1007/s10895-011-1002-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Accepted: 10/14/2011] [Indexed: 10/16/2022]
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Wang K, Wang L, Jiang W, Hu J. A sensitive enzymatic method for paraoxon detection based on enzyme inhibition and fluorescence quenching. Talanta 2011; 84:400-5. [DOI: 10.1016/j.talanta.2011.01.056] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2010] [Revised: 01/06/2011] [Accepted: 01/16/2011] [Indexed: 10/18/2022]
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Jeon JH, Yang DM, Jun JG. Selective Synthesis of 3,4-Dihydrocoumarins and Chalcones from Substituted Aryl Cinnamic Esters. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.1.65] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Lim SY, Kim JH, Lee JS, Ahn J, Kim MG, Park CB. Multi-layered stacks of fluorescent dye-doped silica nanoparticles decorated by gold nanoparticles for solid-phase optical biosensing. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm13956h] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Ganranoo L, Mishra SK, Azad AK, Shigihara A, Dasgupta PK, Breitbach ZS, Armstrong DW, Grudpan K, Rappenglueck B. Measurement of nitrophenols in rain and air by two-dimensional liquid chromatography-chemically active liquid core waveguide spectrometry. Anal Chem 2010; 82:5838-43. [PMID: 20518471 DOI: 10.1021/ac101015y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report a novel system to analyze atmospheric nitrophenols (NPs). Rain or air sample extracts (1 mL) are preconcentrated on a narrow bore (2 mm) aliphatic anion exchanger. In the absence of strong retention of NPs exhibited by aromatic ion exchangers, retained NPs are eluted as a plug by injection of 100 microL of 0.1 M Na(2)SO(4) on to a short (2 x 50 mm) reverse phase C-18 column packed with 2.2 mum particles. The salt plug passes through the C-18 column unretained while the NPs are separated by an ammonium acetate buffered methanol-water eluent, compatible with mass spectrometry (MS). The eluted NPs are measured with a long path Teflon AF-based liquid core waveguide (0.15 x 1420 mm) illuminated by a 403 nm light emitting diode and detected by a monolithic photodiode-operational amplifier. The waveguide is rendered chemically active by suspending it over concentrated ammonia that permeates into the lumen. The NPs ionize to the yellow anion form (lambda(max) approximately 400 nm). The separation of 4-nitrophenol, 2,4-dinitrophenol, 2-methyl-4-nitrophenol, 3-methyl-4-nitrophenol, and 2-nitrophenol (these are the dominant NPs, typically in that order, in both rain and air of Houston and Arlington, TX, confirmed by tandem MS) takes just over 5 min with respective S/N = 3 limits of detection (LODs) of 60, 12, 30, 67, and 23 pg/mL compared to MS/MS LODs of 20, 49, 11, 20, and 210 pg/mL. Illustrative air and rain data are presented.
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Affiliation(s)
- Lucksagoon Ganranoo
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019-0065, USA
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Fluorescent chemosensors for toxic organophosphorus pesticides: a review. SENSORS 2010; 10:7018-43. [PMID: 22163587 PMCID: PMC3231149 DOI: 10.3390/s100707018] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2010] [Revised: 04/12/2010] [Accepted: 06/24/2010] [Indexed: 11/17/2022]
Abstract
Many organophosphorus (OP) based compounds are highly toxic and powerful inhibitors of cholinesterases that generate serious environmental and human health concerns. Organothiophosphates with a thiophosphoryl (P=S) functional group constitute a broad class of these widely used pesticides. They are related to the more reactive phosphoryl (P=O) organophosphates, which include very lethal nerve agents and chemical warfare agents, such as, VX, Soman and Sarin. Unfortunately, widespread and frequent commercial use of OP-based compounds in agricultural lands has resulted in their presence as residues in crops, livestock, and poultry products and also led to their migration into aquifers. Thus, the design of new sensors with improved analyte selectivity and sensitivity is of paramount importance in this area. Herein, we review recent advances in the development of fluorescent chemosensors for toxic OP pesticides and related compounds. We also discuss challenges and progress towards the design of future chemosensors with dual modes for signal transduction.
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Ozturk G, Feller KH, Dornbusch K, Timur S, Alp S, Ergun Y. Development of fluorescent array based on sol-gel/chitosan encapsulated acetylcholinesterase and pH sensitive oxazol-5-one derivative. J Fluoresc 2010; 21:161-7. [PMID: 20617372 DOI: 10.1007/s10895-010-0700-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2010] [Accepted: 06/22/2010] [Indexed: 11/28/2022]
Abstract
A highly sensitive fluorescent enzyme array for quantitative acetylcholine detection is developed. The enzyme array has been constructed by spotting of pH sensitive fluorophore 2-phenyl-4-[4-(1,4,7,10-tetraoxa-13-azacycloopentadecyl)benzylidene]oxazol-5-one and acetylcholinesterase doped in tetraethoxysilane/chitosan matrix via a microarrayer. The constructed tetraethoxysilane/chitosan network provided a microenvironment in which the enzyme molecule was active biologically. The optimal operational conditions for the array developed were investigated. The response of the developed biosensor array to acetylcholine was highly reproducible (RSD = 3.27%, n = 6). A good linearity was observed for acetylcholine in the concentrations up to 1 × 10(-8) M, with a detection limit of 0.27 × 10(-8) M.
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Affiliation(s)
- Gulsiye Ozturk
- Faculty of Arts and Sciences, Department of Chemistry, University of Dokuz Eylul, Izmir, Turkey.
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Won YH, Jang HS, Chung DW, Stanciu LA. Multifunctional calcium carbonate microparticles: Synthesis and biological applications. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm01231a] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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