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Du M, Song M, Wu D, Zhang Y, Song H, Lv H, Ke A, Du H, Zhao S. Novel fluorescent nanoplatform for all-in-one sensing and removal of acrolein: An ultrasensitive probe to evaluate its removal efficiency. Food Chem 2024; 460:140667. [PMID: 39094348 DOI: 10.1016/j.foodchem.2024.140667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 07/05/2024] [Accepted: 07/25/2024] [Indexed: 08/04/2024]
Abstract
As a highly toxic aldehyde, acrolein is widely found in diet and environment, and can be produced endogenously, posing a serious threat to human health. Herein, we designed a novel fluorescent nanoplatform integrating carbon dots‑manganese dioxide (CDs-MnO2) and glutathione (GSH) for all-in-one sensing and removal of acrolein. By converting Mn4+ to free Mn2+, GSH inhibited the inner filter effect (IFE) of MnO2 nanosheets, and the Michael addition of acrolein with GSH inhibited the GSH-induced Mn4+ conversion, forming an "off-on-off" fluorescence response of CDs. The developed fluorescent nanoplatform exhibited high sensitivity (LOD was 0.067 μM) and selectivity for the simultaneous detection and removal of acrolein. The combination of CDs-MnO2 hydrogels with smartphones realized the point-of-care detection of acrolein, yielding satisfactory results (recovery rates varied between 97.01-104.65%, and RSD ranged from 1.42 to 4.16%). Moreover, the capability of the nanoplatform was investigated for on-site evaluating acrolein scavengers' efficacy, demonstrating excellent potential for practical application.
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Affiliation(s)
- Man Du
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Meimei Song
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Die Wu
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Yue Zhang
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China.
| | - Haiwen Song
- Hebei Lansheng Biotechnology Co., LTD., Shijiazhuang 052260, China.
| | - Haijun Lv
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Aibing Ke
- Hebei Lansheng Biotechnology Co., LTD., Shijiazhuang 052260, China
| | - Hongxia Du
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Shuchun Zhao
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
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2
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Liao Z, Zhong J, Tang X, Peng Z, Xu P, Qiu P. Smartphone-assisted portable swabs for blood glucose management: A point-of-use assay for dual-mode visual detection based on bifunctional carbon dots. Talanta 2024; 278:126545. [PMID: 39002257 DOI: 10.1016/j.talanta.2024.126545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 07/05/2024] [Accepted: 07/09/2024] [Indexed: 07/15/2024]
Abstract
Controlling glucose (Glu) intake is a "required course" for diabetics, thus quickly and precisely measuring the amount of Glu in food is crucial. For this purpose, a novel smartphone-assisted portable swab for the dual-mode visual detection of Glu was constructed combined the selectivity of natural enzymes with the controllable catalytic activity of nanozymes. Glu was specifically decomposed by glucose oxidase (natural enzyme) to produce H2O2, which was catalyzed by carbon dots (FeMn/N-CDs, nanozyme) to accelerate the reaction of o-phenylenediamine (OPD, colorless) to produce 2,3-diaminophenazine (DAP, yellow). As a result, the absorbance at 450 nm gradually increased with the increasing concentration of Glu, leading to a color change in the system from colorless to yellow. Meanwhile, the fluorescence of FeMn/N-CDs gradually decreased at 450 nm, while the fluorescence of DAP gradually increased at 550 nm, allowing for both ratiometric fluorescence and colorimetric dual-mode detection. Furthermore, natural enzyme and nanozyme together with OPD were co-loaded on the swabs to achieve cascade catalysis of Glu. The assembled portable swabs have detection ranges of 1-600 μM (LOD = 0.37 μM) and 4-1200 μM (LOD = 1.19 μM) for the colorimetric and fluorometric detection, respectively. The field test results on real samples demonstrated that the portable swabs have great promise for use in efficiently and accurately guiding the dietary intake of diabetics.
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Affiliation(s)
- Ziwen Liao
- Department of Chemistry, Nanchang University, Nanchang 330031, China; College of Food Science and Technology, Nanchang University, Nanchang 330031, China
| | - Jiali Zhong
- Department of Chemistry, Nanchang University, Nanchang 330031, China
| | - Xiaomin Tang
- The Fourth Affiliated Hospital, Nanchang University, Nanchang 330003, Jiangxi, China
| | - Zoujun Peng
- Laboratory of Advanced Theranostic Materials and Technology, Ningbo Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Peng Xu
- Center of Analysis and Testing, Nanchang University, Nanchang 330031, China.
| | - Ping Qiu
- Department of Chemistry, Nanchang University, Nanchang 330031, China; Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China.
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3
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Du N, Weng W, Xu Y, Zhou Y, Yi Y, Zhao Y, Zhu G. Vanadium-Based Metal-Organic Frameworks with Peroxidase-like Activity as a Colorimetric Sensing Platform for Direct Detection of Organophosphorus Pesticides. Inorg Chem 2024; 63:16442-16450. [PMID: 39172690 DOI: 10.1021/acs.inorgchem.4c02716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
Colorimetry based on the bioenzyme inhibition strategy holds promising application prospects in the field of organophosphorus pesticide (OPs) detection. However, overcoming the challenges of the high cost and low stability of bioenzymes remains crucial. In this study, we successfully synthesized a peroxidase vanadium-based metal-organic framework (MOF) nanozyme named MIL-88B(V) and employed its mediated bioenzyme-free colorimetric strategy for direct OPs detection. The experimental results demonstrated that MIL-88B(V) exhibited a remarkable affinity and a remarkable catalytic rate. When the OPs target is added, it can be anchored on the MOF surface through a V-O-P bond, effectively inhibiting the MOF's activity. Subsequently, leveraging the advantages of smartphones such as convenience, speed, and sensitivity, we developed a paper sensor integrated into a smartphone for efficient OPs detection. The as-designed nanozyme-based colorimetric assay and paper sensor presented herein offer notable advantages, including affordability, speed, stability, wide adaptability, low cost, and accuracy in detecting OPs, thus providing a versatile and promising analytical approach for real sample analysis and allowing new applications of V-based MOF nanozymes.
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Affiliation(s)
- Ningjing Du
- School of the Environment and Safety Engineering and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Wenchuan Weng
- Guangzhou Baiyun Airport Customs Comprehensive Technical Service Center, Guangzhou Baiyun Airport Customs District People's Republic of China, Guangzhou 510470, P. R. China
| | - Yuanyuan Xu
- School of the Environment and Safety Engineering and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yi Zhou
- School of the Environment and Safety Engineering and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yinhui Yi
- School of the Environment and Safety Engineering and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
- Fujian Provincial Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou 363000, P. R. China
| | - Yong Zhao
- Guangzhou Baiyun Airport Customs Comprehensive Technical Service Center, Guangzhou Baiyun Airport Customs District People's Republic of China, Guangzhou 510470, P. R. China
| | - Gangbing Zhu
- School of the Environment and Safety Engineering and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao 266061, P. R. China
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4
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Chen J, Lian T, Liu S, Zhong J, Cheng R, Tang X, Xu P, Qiu P. Iron-carbon dots embedded in molybdenum single-atom nanoflowers as multifunctional nanozyme for dual-mode detection of hydrogen peroxide and uric acid. J Colloid Interface Sci 2024; 667:450-459. [PMID: 38643742 DOI: 10.1016/j.jcis.2024.04.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/03/2024] [Accepted: 04/16/2024] [Indexed: 04/23/2024]
Abstract
Single-atom catalysts (SACs) have attracted extensive attention in the field of catalysis due to their excellent catalytic ability and enhanced atomic utilization, but the multi-mode single-atom nanozymes for biosensors remain a challenging issue. In this work, iron-doped carbon dots (Fe CDs) were loaded onto the edges and pores of Mo SACs with nanoflower morphology; accordingly, a composite material Fe CDs/Mo SACs was prepared successfully, which improves the catalytic performance and develops a fluorescence mode without changing the original morphology. The steady-state kinetic data indicates that the material prepared have better affinity for substrates and faster reaction rates under optimized conditions. The specific kinetic parameters Km and Vmax were calculated as 0.39 mM and 7.502×10-7 M·s-1 respectively. The excellent peroxidase-like activity of Fe CDs/Mo SACs allows H2O2 to decompose into •OH, which in turn oxidizes colorless o-phenylenediamine (OPD) to yellow 2,3-diaminophenazine (DAP). At the same time, the fluorescence signal of Fe CDs/Mo SACs quenches obviously by DAP at 460 nm through internal filtration effect (IFE), while the characteristic fluorescence response of DAP gradually increases at 590 nm. Based on this sensing mechanism, a sensitive and accurate dual-mode (colorimetric and ratiometric fluorescent) sensor was constructed to detect H2O2 and uric acid, and the rate of recovery and linearity were acceptable for the detection of UA in human serum and urine samples. This method provides a new strategy for rapid and sensitive detection of UA, and also broadens the development of SACs in the field of biosensors.
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Affiliation(s)
- Jin Chen
- Department of Chemistry, Nanchang University, Nanchang 330031, China
| | - Tao Lian
- Department of Chemistry, Nanchang University, Nanchang 330031, China
| | - Sipei Liu
- Institute for Advanced Study, Nanchang University, Nanchang 330031, China
| | - Jiali Zhong
- Department of Chemistry, Nanchang University, Nanchang 330031, China
| | - Rou Cheng
- Department of Chemistry, Nanchang University, Nanchang 330031, China
| | - Xiaomin Tang
- The Fourth Affiliated Hospital, Nanchang University, Nanchang 330003, China
| | - Peng Xu
- Center of Analysis and Testing, Nanchang University, Nanchang 330031, China.
| | - Ping Qiu
- Department of Chemistry, Nanchang University, Nanchang 330031, China; Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China.
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5
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Huang L, Qin S, Wen C, Xu Y, Lin Z, Wang Y. An off-on fluorescence method for acid phosphatase assay based on the inner filter effect of MnO 2 nanosheets on vitamin B 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 315:124263. [PMID: 38593539 DOI: 10.1016/j.saa.2024.124263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/21/2024] [Accepted: 04/06/2024] [Indexed: 04/11/2024]
Abstract
Fluorescence analysis has attracted much attention due to its rapidity and sensitivity. The present work describes a novel fluorescence detection method for acid phosphatase (ACP) on the basis of inner-filter effect (IFE), where MnO2 nanosheets (MnO2 NSs) and vitamin B2 (VB2) are served as absorbers and fluorophores, respectively. In the absence of ACP, the absorption band of MnO2 NSs overlaps well with the excitation band of VB2, resulting in effective IFE and inhibition of VB2 fluorescence. In the presence of ACP, 2-phospho-L-ascorbic acid trisodium salt (AAP) is hydrolyzed to generate ascorbic acid (AA), which efficiently trigger the reduction of MnO2 NSs into Mn2+ ions, causing the weakening of the MnO2 NSs absorption band and the recovery of VB2 fluorescence. Further investigation indicates that the fluorescence recovery degree of VB2 increases with the increase of ACP concentration. Under selected experimental conditions, the proposed method can achieve sensitive detection of ACP in the ranges of 0.5-4.0 mU/mL and 4.0-15 mU/mL along with a limit of detection (LOD) as low as 0.14 mU/mL. Finally, this method was successfully applied for the detection of ACP in human serum samples with satisfactory recoveries in the range of 95.0 %-108 %.
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Affiliation(s)
- Li Huang
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China
| | - Shangying Qin
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China
| | - Chuang Wen
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China
| | - Yuanjin Xu
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China.
| | - Zhongwei Lin
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China
| | - Yilin Wang
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530003, China.
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6
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Zhang Y, Yu W, Zhang W, Lai J, Liu L, Wang W, Wang X. Ratiometric fluorescence and colorimetric strategies for assessing activity of butyrylcholinesterase in human serum using g-C 3N 4 nanosheets, silver ion and o-phenylenediamine. Mikrochim Acta 2024; 191:411. [PMID: 38900245 DOI: 10.1007/s00604-024-06488-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
Ratiometric fluorescence and colorimetric strategies for detecting activity of butyrylcholinesterase (BChE) in human serum were developed by using g-C3N4 nanosheets, silver ion (Ag+) and o-phenylenediamine (OPD) as chromogenic agents. The oxidation-reduction reaction of OPD and Ag+ generates 2,3-diaminophenazine (oxOPD). Under exciation at 370 nm, g-C3N4 nanosheets and oxOPD emit fluorescence at 440 nm (F440) and 560 nm (F560), respectively. Additionally, oxOPD exhibits quenching ability towards g-C3N4 nanosheets via photoinduced electron transfer (PET) process. Thiocholine (TCh), as a product of BChE-catalyzed hydrolysis reaction of butylthiocholine iodide (BTCh), can coordinate with Ag+ intensively, and consequently diminish the amount of free Ag+ in the testing system. Less amount of free Ag+ leads to less production of oxOPD, resulting in less fluorescence quenching towards g-C3N4 nanosheets as well as less fluorescence emission of oxOPD. Therefore, by using g-C3N4 nanosheets and oxOPD as fluorescence indicators, the intensity ratio of their fluorescence (F440/F560) was calculated and employed to evaluate the activity of BChE. Similarly, the color variation of oxOPD indicated by the absorbance at 420 nm (ΔA420) was monitored for the same purpose. These strategies were validated to be sensitive and selective for detecting BChE activity in human serum, with limits of detection (LODs) of 0.1 U L-1 for ratiometric fluorescence mode and 0.7 U L-1 for colorimetric mode.
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Affiliation(s)
- Yue Zhang
- China-Japan Union Hospital of Jilin University, Changchun, 130033, China
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Wei Yu
- China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
| | - Wei Zhang
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Jinyu Lai
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Lin Liu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Wei Wang
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xinghua Wang
- College of Chemistry, Jilin University, Changchun, 130012, China.
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7
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Singh P, Bhankar V, Kumar S, Kumar K. Biomass-derived carbon dots as significant biological tools in the medicinal field: A review. Adv Colloid Interface Sci 2024; 328:103182. [PMID: 38759449 DOI: 10.1016/j.cis.2024.103182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/25/2024] [Accepted: 05/10/2024] [Indexed: 05/19/2024]
Abstract
Early disease detection is crucial since it raises the likelihood of treatment and considerably lowers the cost of therapy. Therefore, the improvement of human life and health depends on the development of quick, efficient, and credible biosensing methods. For improving the quality of biosensors, distinct nanostructures have been investigated; among these, carbon dots have gained much interest because of their great performance. Carbon dots, the essential component of fluorescence nanoparticles, having outstanding chemical characteristics, superb biocompatibility, chemical inertness, low toxicity and potential optical characteristics have attracted the researchers from every corner of the globe. Several carbon dots applications have been thoroughly investigated in recent decade, from optoelectronics to biomedical investigations. This review study primarily emphasizes the recent advancements in the field of biomass-derived carbon dots-based drug delivery, gene delivery and bioimaging, and highlights achievements in two major areas: in vivo applications that involve carbon dots absorption in zebrafish and mice, tumour therapeutics, and imaging-guided drug delivery. Additionally, the possible advantages, difficulties, and future possibilities of using carbon dots for biological applications are also explored.
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Affiliation(s)
- Permender Singh
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat 131039, Haryana, India
| | - Vinita Bhankar
- Department of Biochemistry, Kurukshetra University, Kurukshetra 136119, Haryana, India.
| | - Sandeep Kumar
- Department of Chemistry, J. C. Bose University of Science & Technology, YMCA, Faridabad 121006, Haryana, India
| | - Krishan Kumar
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat 131039, Haryana, India.
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8
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Thakuri A, Bhosle AA, Hiremath SD, Banerjee M, Chatterjee A. A carbon dots-MnO 2 nanosheet-based turn-on pseudochemodosimeter as low-cost probe for selective detection of hazardous mercury ion contaminations in water. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133998. [PMID: 38493622 DOI: 10.1016/j.jhazmat.2024.133998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/20/2024] [Accepted: 03/08/2024] [Indexed: 03/19/2024]
Abstract
Mercury is a highly hazardous element due to its profound toxicity and wide abundance in the environment. Despite the availability of various fluorimetric detection tools for Hg2+, including organic fluorophores and aptasensors, they often suffer from shortcomings like the utilization of expensive chemicals and toxic organic solvents, multi-step synthesis, sometimes with poor selectivity and low sensitivity. Whereas, biomass-derived fluorophores, such as carbon dots (CDs), present themselves as cost-effective and environmentally benign alternatives that exhibit comparable efficacy. Herein, we report a reaction-driven sensing assembly based on CDs, MnO2 nanosheets, and hydroquinone monothiocarbonate (HQTC) for the detection of Hg2+ ions, which relies on the formation of a CDs-MnO2 FRET-conjugate, resulting in the quenching of the intrinsic fluorescence of CDs. In a pseudochemodosimetric approach, the thiophilic nature of mercury was utilized for in-situ generation of the reducing species, hydroquinone from HQTC, resulting in the reduction of MnO2 nanosheets, the release of fluorescent CDs back to the solution. The low limit of detection (LOD) was achieved as 2 ppb (0.01 μM). The probe worked efficiently in real water samples like sea, river with good recovery of spiked Hg2+ and in some Indian ayurvedic medicines as well. Furthermore, solid-phase detection with sodium alginate beads demonstrated the ability of this cost-effective sensing assembly for onsite detection of Hg2+ ions.
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Affiliation(s)
- Ankit Thakuri
- Department of Chemistry, BITS-Pilani, K.K. Birla Goa Campus, NH 17B, Bypass Road, Zuarinagar, Sancoale, Goa 403726, India
| | - Akhil A Bhosle
- Department of Chemistry, BITS-Pilani, K.K. Birla Goa Campus, NH 17B, Bypass Road, Zuarinagar, Sancoale, Goa 403726, India
| | - Sharanabasava D Hiremath
- Department of Chemistry, BITS-Pilani, K.K. Birla Goa Campus, NH 17B, Bypass Road, Zuarinagar, Sancoale, Goa 403726, India
| | - Mainak Banerjee
- Department of Chemistry, BITS-Pilani, K.K. Birla Goa Campus, NH 17B, Bypass Road, Zuarinagar, Sancoale, Goa 403726, India.
| | - Amrita Chatterjee
- Department of Chemistry, BITS-Pilani, K.K. Birla Goa Campus, NH 17B, Bypass Road, Zuarinagar, Sancoale, Goa 403726, India.
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9
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Raveendran P T V, C A, Neeroli Kizhakayil R. Fe 3+-induced luminescence quenching in carbon dots - mechanism unveiled. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2349-2358. [PMID: 38563425 DOI: 10.1039/d3ay02202a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Carbon dot (CD)-based fluorimetric sensors have attracted immense attention for the detection of metal ions. Among the available works in this direction, more than 70% of the studies reported the detection of Fe3+ through luminescence quenching. Ferric ions are significant species from environmental and biological point of view. Excited-state electron transfer from carbon dots to ferric ions is suggested as the reason for the luminescence quenching. However, to date, no solid proof was provided to demonstrate this electron transfer process. Herein, N-doped blue luminescent carbon dots prepared via hydrothermal carbonization are used to demonstrate the exact mechanism operating in the above-mentioned detection strategy. The carbon dots possessed an average size of 4.9 nm, and exhibited good aqueous solubility as well as an excitation wavelength-dependent emission. Fe3+-mediated luminescence quenching was quantitatively achieved at the micromolar level, with a detection limit of 1.426 μM. The CD-mediated reduction of ferric ions is confirmed by spectral analysis. Fe3+-induced luminescence quenching was partially restored in the presence of ascorbic acid, enabling the sub-micromolar level monitoring of this analyte, with the lowest detection amount of 276 nM. Turnbull's blue method is adopted for confirming the reducing role of ascorbic acid, which eventually increased the luminescence of the system, evoking a turn-on response.
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Affiliation(s)
- Varsha Raveendran P T
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Anjali C
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Renuka Neeroli Kizhakayil
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
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10
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Li D, Huo Z, Xia L, Xiao X, Li G. A Portable Array Visualization Device Integrating Sample Preparation and Detection All-in-One for the On-Site Analysis of Complex Samples. Anal Chem 2024; 96:5368-5374. [PMID: 38528372 DOI: 10.1021/acs.analchem.4c00610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
A gas membrane separation/array fluorescence visualization (GMS/AFV) device is developed by integrating hydrazine-based carbonized copolymer dots (PD-N2H4) for visual on-site analysis. The novel PD-N2H4 was synthesized using a "polymer template" approach, exhibiting strong blue fluorescence capable of visual sensing. The GMS/AFV device integrates sample preparation and detection all-in-one, consisting of a smartphone, a sample pretreatment system, and an optical system. In the detection procedure, the samples will be treated in the sample pretreatment system to create volatile gases. Therefore, any gas samples as well as solid and liquid samples that potentially produce volatile gases can be visually detected on-site by the device. H2S was utilized as a model analyte to test the practicality of the GMS/AFV device. The entire analysis can be finished in 3 min, and the limit of detection of H2S is as low as 3.4 μg/L. Surprisingly, the device is also capable of high-throughput sample detection, which can process 48 samples simultaneously in about 20 min. The device offers a quick, easy, cheap, and environmentally friendly way to analyze volatile gases, and it creates new opportunities for on-site detection of complex samples.
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Affiliation(s)
- Dan Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhiming Huo
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiaohua Xiao
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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11
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Mei H, Zhu X, Li Z, Jiang J, Wang H, Wang X, Zhou P. Manganese dioxide nanosheet-modulated ratiometric fluoroprobe based on carbon quantum dots from okra for selective and sensitive dichlorvos detection in foods. Food Chem 2024; 434:137507. [PMID: 37741246 DOI: 10.1016/j.foodchem.2023.137507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/10/2023] [Accepted: 09/14/2023] [Indexed: 09/25/2023]
Abstract
Herein, we developed a ratiometric fluoroprobe by integrating okra-derived carbon quantum dots (CQDs) with amplex red (AR) using manganese dioxide nanosheets (MnO2 NSs) as a medium. Fluorescence intensities (FIs) of CQDs were sharply quenched by MnO2 NSs via an inner-filter effect processes, whereas the FIs of AR were significantly enhanced due to oxidation of AR to AR-ox by the oxidase-mimetic activity of MnO2 NSs. Acetyrylcholinesterase hydrolyzed acetylthiocholine to produce thiocholine, and the decomposition of MnO2 NSs to Mn2+ by thiocholine led to the FI recovery of CQDs, but decreased FIs of AR-ox. Based on the above phenomenon and the inhibitory effect of dichlorvos (DDVP) on acetyrylcholinesterase activity, a novel ratiometric fluoroprobe for DDVP quantification was pioneered. Under optimized conditions, this fluoroprobe gave a wide linear range (4-120 μg/L), low detection limit (1.2 μg/L), and satisfactory fortification recoveries (90.0-110.0%), thereby providing good prospects for routine DDVP monitoring in foods.
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Affiliation(s)
- He Mei
- Zhejiang Provincial Key Laboratory of Watershed Science and Health, College of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China; South Zhejiang Institute of Radiation Medicine and Nuclear Technology, Wenzhou Medical University, Wenzhou 325014, China
| | - Xiaolei Zhu
- Zhejiang Provincial Key Laboratory of Watershed Science and Health, College of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Ziqian Li
- Zhejiang Provincial Key Laboratory of Watershed Science and Health, College of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Jiahui Jiang
- Zhejiang Provincial Key Laboratory of Watershed Science and Health, College of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Huili Wang
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xuedong Wang
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
| | - Peipei Zhou
- Zhejiang Provincial Key Laboratory of Watershed Science and Health, College of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China; South Zhejiang Institute of Radiation Medicine and Nuclear Technology, Wenzhou Medical University, Wenzhou 325014, China.
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12
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Vyas T, Jaiswal S, Choudhary S, Kodgire P, Joshi A. Recombinant Organophosphorus acid anhydrolase (OPAA) enzyme-carbon quantum dot (CQDs)-immobilized thin film biosensors for the specific detection of Ethyl Paraoxon and Methyl Parathion in water resources. ENVIRONMENTAL RESEARCH 2024; 243:117855. [PMID: 38070850 DOI: 10.1016/j.envres.2023.117855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/14/2023] [Accepted: 11/30/2023] [Indexed: 02/06/2024]
Abstract
Organophosphates pesticide (OP) toxicity through water resources is a large concern globally among all the emerging pollutants. Detection of OPs is a challenge which needs to be addressed considering the hazardous effects on the health of human beings. In the current research thin film biosensors of recombinant, Organophosphorus acid anhydrolase (OPAA) enzyme along with carbon quantum dots (CQDs) immobilized in thin films were developed. OPAA-CQDs thin film biosensors were used for the specific detection of two OPs Ethyl Paraoxon (EP) and Methyl Parathion (MP) in river water and household water supply. Recombinant OPAA enzyme was expressed in E. Coli, purified and immobilized on the CQD containing chitosan thin films. The CQDs used for this purpose were developed by a one-pot hydrothermal method from phthalic acid and Tri ethylene diamine. The properties of CQDs, OPAA and thin films were characterized using techniques like XPS, TEM, XRD, enzyme activity and CLSM measurements. Biosensing studies of EP and MP were performed by taking fluorescence measurements using a fiber optic spectrometer. The analytical parameters of biosensing were compared against an estimation carried out using the HPLC method. The biosensing performance indicates that the OPAA-CQDs thin film-based biosensors were able to detect both EP and MP in a range of 0-100 μM having a detection limit of 0.18 ppm/0.69 ppm for EP/MP, respectively with a response time of 5 min. The accuracy of estimation of EP/MP when spiked in water resources lie in the range of ∼100-102% which clearly indicates the OPAA-CQD based thin film biosensors can function as a point-of-use method for the detection of OP pesticides in complex water resources.
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Affiliation(s)
- Tanmay Vyas
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Khandwa Road, Indore, 453552, Madhya Pradesh, India
| | - Surbhi Jaiswal
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Khandwa Road, Indore, 453552, Madhya Pradesh, India
| | - Sandeep Choudhary
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Khandwa Road, Indore, 453552, Madhya Pradesh, India
| | - Prashant Kodgire
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Khandwa Road, Indore, 453552, Madhya Pradesh, India.
| | - Abhijeet Joshi
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Khandwa Road, Indore, 453552, Madhya Pradesh, India.
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13
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Wang S, Zang W, Peng M, Miao L, Wu A, Zhang Y. Multicolor detection of glutathione by manganese dioxide nanosheets and gold nanotetrapods based on an anti-etching mechanism. Talanta 2024; 268:125366. [PMID: 37925881 DOI: 10.1016/j.talanta.2023.125366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/22/2023] [Accepted: 10/26/2023] [Indexed: 11/07/2023]
Abstract
Glutathione (GSH) is a crucial non-protein thiol and an indispensable endogenous antioxidant. The aberrant expression of GSH in plasma and cytosol is closely related to numerous diseases, including cancer. Therefore, establishing a sensitive method for analyzing GSH has important application value for biomedical research and clinical medical detection. Herein, A method for the rapid and simple detection of GSH was proposed, which is based on an anti-etching mechanism by utilizing gold nanotetrapods (Au NTPs) and manganese dioxide nanosheets (MnO2 NSs). In the absence of GSH, Au NTPs solution can cause a distinct color change from gray-green to red through the etching effect of MnO2 NSs. However, in the presence of GSH, the redox reaction between GSH and MnO2 NSs inhibits the etching of Au NTPs by MnO2 NSs, and Au NTPs solution maintains persistent gray-green color. The colorimetric probe exhibited excellent selectivity for GSH. The limits of detection for GSH were 43.5 nM (UV-vis spectrum) and 0.25 μM (naked eyes). The sensing technique exhibited excellent linearity between wavelength shift and GSH concentration within the range of 0.25 μM-1.5 μM. The outcomes of GSH detection in actual biological samples demonstrate that this probe has the potential to be applied to GSH detection in intricate biological samples.
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Affiliation(s)
- Shengwen Wang
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Wen Zang
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Minjie Peng
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Lijing Miao
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Aiguo Wu
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Yujie Zhang
- Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, Zhejiang International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices, Ningbo Cixi Institute of Biomedical Engineering, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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14
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Hu K, Chen X, Song X, Wu Y, Huang K, Chen P. Carbon dots and MnO 2 nanosheet nanocomposites sensing platform for sensitive detection of oxalate in urine samples of urolithiasis patients. Talanta 2024; 266:124976. [PMID: 37499363 DOI: 10.1016/j.talanta.2023.124976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/15/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023]
Abstract
In the human body, oxalate tends to form calcium oxalate with calcium ions, which can trigger the formation of stones in the urinary system. Therefore, oxalate in urine is usually utilized as a crucial biomarker in clinical urolithiasis diagnoses. In this work, a turn-on fluorescent nanoprobe was developed based on nitrogen-doped carbon dots (N-CDs) and MnO2 nanosheets (NSs) nanocomposites for oxalate sensing in urolithiasis patients. MnO2 NSs is a good sensing platform with high extinction coefficients and rich redox chemistry. The fluorescent N-CDs can be quenched efficiently by MnO2 NSs through the inner filter effect (IFE) to form N-CDs-MnO2 nanocomposites. The reductive oxalate could operate the decomposition of MnO2 NSs to Mn2+ resulting in the dissociation of the N-CDs-MnO2 nanocomposites and fluorescence recovery of N-CDs. Under optimal conditions, the developed sensor revealed good specificity toward oxalate with a limit of detection (LOD) of 0.69 μM. The developed sensor was successfully applied to quantify oxalate content in 47 urine samples (41 urolithiasis patients and 6 healthy persons). The results showed great consistency with clinical diagnostic reports and computed tomography images. This novel method retains several unique advantages, including affordable, rapid, and validating potential clinical application.
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Affiliation(s)
- Kelin Hu
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources, Ministry of Education, College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China
| | - Xin Chen
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources, Ministry of Education, College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China
| | - Xuemei Song
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources, Ministry of Education, College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China
| | - Yiman Wu
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources, Ministry of Education, College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China
| | - Ke Huang
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources, Ministry of Education, College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China.
| | - Piaopiao Chen
- Department of Laboratory Medicine, Med+X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
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15
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Rani, Ali F, Muhammad M, AlOthman ZA. Development of Fluorescent Co (II)-Integrated Carbon Dots and Their Application as a Off-On Mesotrione Detection Sensor. ACS OMEGA 2023; 8:49115-49128. [PMID: 38173863 PMCID: PMC10764113 DOI: 10.1021/acsomega.3c07171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/27/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024]
Abstract
A very simple mesotrione-sensing medium with enhanced sensitivity detection limits has been proposed. A renovated hydrothermal method was adopted for synthesizing fluorescent carbon dots from ethylenediamine and glucose using a Teflon-lined simple autoclave in a GC oven. The resultant carbon dots were characterized via TEM, FTIR, UV-vis, particle size distribution, and EDX and evaluated in a fluorimeter as the sensing medium for mesotrione detection. The binding approach of the Co (II)-integrated glucose-bound carbon dots toward mesotrione is selective, making them an effective sensor for the real sample applications, where majority of the coexisting substances showed insignificant interference effect. Formation of the metastable state due to the molecular interaction between carbon dots and Co (II) resulted in fluorescence quenching at 456 nm. Enhancement in the fluorescence intensity occurred when mesotrione was added in the concentration range of 0.2-5.0 μg mL-1, with a limit of detection, limit of quantification, standard deviation, and relative standard deviation of 0.054, 0.164, 0.00082 μg mL-1, and 0.682%, respectively. Mesotrione determination was demonstrated in soil, water, and tomato samples with recoveries in the range of 95.38-104.7%. The selectivity of the sensor was found to be good enough when checked for the complex tomato sample spiked with different pesticides of the triketone family having structural similarities to mesotrione.
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Affiliation(s)
- Rani
- Department
of Chemistry, University of Malakand, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan
| | - Faiz Ali
- Department
of Chemistry, University of Malakand, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan
| | - Mian Muhammad
- Department
of Chemistry, University of Malakand, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan
| | - Zeid A. AlOthman
- Chemistry
Department, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
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16
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Cui Y, Zhao J, Li H. Construction of Aggregation-Induced Emission Molecule-MnO 2 Composite Nanoprobe and Its Application in Alkaline Phosphatase Detection. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2138. [PMID: 37513149 PMCID: PMC10383434 DOI: 10.3390/nano13142138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
Alkaline phosphatase (ALP) is among the most studied enzymes by far, playing an important role in the metabolism of organisms and the regulation of protein activity. Herein, a label-free composite nanoprobe is constructed by combining inorganic nanomaterials and aggregation-induced emission (AIE) molecule to achieve highly sensitive and selective detection of ALP. Negatively charged 9,10-bis [2-(6-sulfonatopropoxyl) naphthylethenyl] anthracene (BSNVA) molecule is synthesized, which has the AIE performance and can be assembled on the surface of amino-SiO2 nanoparticles through electrostatic interaction for fluorescence enhancement. MnO2 nanosheets are rich in negative charges, enabling them to be wrapped on the surface of the amino-SiO2 nanosphere to shield the positive charge on its surface, making it impossible for BSNVA to accumulate on the surface and then weakening the bio-fluorescence of the system. Furthermore, with catalyzed substrates induced by ALP, generating ascorbic acid and the redox reaction between ascorbic acid and MnO2, the nanoprobe helps in realizing the high-sensitivity detection of ALP with a detection limit of 0.38 mU/mL. The proposed strategy requires no complex cleaning and modification processes and can overcome the quenching effect caused by the aggregation of traditional organic dyes, proving to be a simple, low-cost and "turn-on" fluorescent detection method for ALP.
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Affiliation(s)
- Yanyun Cui
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Jun Zhao
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Huidan Li
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
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17
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Kaur I, Batra V, Bogireddy NKR, Kumar Y, Agarwal V. Carbon Dots as a Novel Detection Material for Food Additives and Pesticides: A Mini Review. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2023; 29:4-8. [PMID: 37613377 DOI: 10.1093/micmic/ozad067.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Affiliation(s)
- Inderbir Kaur
- Department of Electronic Science, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | - Naveen Kumar Reddy Bogireddy
- Centro de Investigaciones en Ingenieria y Ciencias Aplicadas, Universidad Autonoma del Estado de Morelos, Col. Chamilpa, Cuernavaca, Morelos, Ḿexico
| | - Yogesh Kumar
- Departamento de Fisico Matematica, Universidad Autonoma de Nueva Leon, Cd. Universitaria, San Nicolás de Los Garza, N.L., Mexico
| | - Vivechana Agarwal
- Centro de Investigaciones en Ingenieria y Ciencias Aplicadas, Universidad Autonoma del Estado de Morelos, Col. Chamilpa, Cuernavaca, Morelos, Ḿexico
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18
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Zhao Q, Li Y, Wei W, Huang J, Lu D, Liu S, Shi X. A ratiometric fluorescence-based colorimetric sensor for the portable analysis of antioxidants via smartphone. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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19
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Li Q, Guo Y, He X, Li G. Sensitive and Label-Free Colorimetric Detection of Glyphosate Based on the Suppression Peroxidase-Mimicking Activity of Cu(II) Ions. Molecules 2023; 28:4630. [PMID: 37375185 PMCID: PMC10300950 DOI: 10.3390/molecules28124630] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
The sensitive and accurate determination of glyphosate (Glyp) is urgently demanded because it is closely correlated with human health and environmental safety. In this work, we proposed a sensitive and convenient colorimetric assay by employing copper ion peroxidases for the detection of Glyp in the environment. Free Cu(II) ions displayed high peroxidase activity and can catalytically oxidize the colorless 3,3',5,5'-tetramethylbenzidine (TMB) into blue oxTMB, resulting in an obviously visible discoloration reaction. Once the Glyp is added, the ability of copper ions to mimic peroxidase can be largely suppressed because of the generation of Glyp-Cu2+ chelate. The favorable selectivity and sensitivity were demonstrated in the colorimetric analysis of Glyp. Furthermore, this rapid and sensitive method was successfully applied in the accurate and reliable determination of glyphosate in the real sample, holding promising applications in pesticide determination in the environment.
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Affiliation(s)
- Qing Li
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yumeng Guo
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
| | - Xiangyi He
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
| | - Guangli Li
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
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20
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Ali F, Muhammad M, Ara B, Shah AA. Synthesis of fructose bound Fe(iii) integrated carbon dots as a robust turn-off detection sensor for chlortoluron. RSC Adv 2023; 13:17028-17037. [PMID: 37293471 PMCID: PMC10245089 DOI: 10.1039/d3ra01430d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/30/2023] [Indexed: 06/10/2023] Open
Abstract
A simple, sensitive, and robust fluorescent sensor for chlortoluron detection has been developed. Fluorescent carbon dots were synthesized using ethylene diamine and fructose via a hydrothermal protocol. The molecular interaction between fructose carbon dots and Fe(iii) resulted in a fluorescent metastable state exhibiting remarkable fluorescence quenching at λem of 454 nm and interestingly, further quenching occurred upon the addition of chlortoluron. The quenching in the fluorescence intensity of CDF-Fe(iii) towards chlortoluron occurred in the concentration range of 0.2-5.0 μg mL-1 where the limit of detection was found to be 0.0467 μg mL-1, the limit of quantification was 0.14 μg mL-1, and the relative standard deviation was 0.568%. The selective and specific recognitive nature of the Fe(iii) integrated fructose bound carbon dots towards the chlortoluron make it a suitable sensor for real sample applications. The proposed strategy was applied for the determination of chlortoluron in soil, water, and wheat samples with recoveries in the range of 95% to 104.3%.
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Affiliation(s)
- Faiz Ali
- Department of Chemistry, University of Malakand Khyber Pakhtunkhwa Pakistan
| | - Mian Muhammad
- Department of Chemistry, University of Malakand Khyber Pakhtunkhwa Pakistan
| | - Behisht Ara
- Institute of Chemical Sciences, University of Peshawar Pakistan
| | - Aftab Ali Shah
- Department of Chemistry, University of Malakand Khyber Pakhtunkhwa Pakistan
- Department of Biotechnology, University of Malakand Khyber Pakhtunkhwa Pakistan
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21
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Liu H, Zhang L, Guan J, Ding J, Wang B, Liu M, Li D, Xia Y. Fabrication of a lamellar alginate-based aerogel decorated with carbon quantum dots for controlled fluorescence behaviors. RSC Adv 2023; 13:15174-15181. [PMID: 37213347 PMCID: PMC10193201 DOI: 10.1039/d3ra02019c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/11/2023] [Indexed: 05/23/2023] Open
Abstract
This study aimed to construct an alginate aerogel doped with carbon quantum dots and investigate the fluorescence properties of the composites. The carbon quantum dots with the highest fluorescence intensity were obtained using a methanol-water ratio of 1 : 1, a reaction time of 90 minutes, and a reaction temperature of 160 °C. The fluorescent carbon quantum dot sodium alginate-based aerogel (FCSA) obtained by compounding alginate and carbon quantum dots exhibited excellent fluorescence properties when the concentration of nano-carbon quantum dot solution was 10.0 vol%. By incorporating nano-carbon quantum dots, the fluorescence properties of the lamellar alginate aerogel can be easily and efficiently adjusted. The alginate aerogel decorated with nano-carbon quantum dots exhibits promising potential in biomedical applications due to its biodegradable, biocompatible, and sustainable properties.
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Affiliation(s)
- Haibing Liu
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
| | - Lin Zhang
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
| | - Jie Guan
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
| | - Junhang Ding
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences Qingdao 266071 P. R. China
| | - Bingbing Wang
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
| | - Ming Liu
- College of Tourism and Geographical Science, Qingdao University Qingdao 266071 P. R. China
| | - Daohao Li
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
| | - Yanzhi Xia
- State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, College of Textiles and Clothing, Shandong Collaborative Innovation Center of Marine Bio-based Fibers and Ecological Textiles, Institute of Functional Textiles and Advanced Materials, Qingdao University Qingdao 266071 P. R. China
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22
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Wan CQ, Pang YH, Yang QY, Yang CL, Shen XF. Paper-based analytical device coupled with Bi-MOF: Electric field amplification and fluorescence sensing of glyphosate. Anal Chim Acta 2023; 1248:340930. [PMID: 36813460 DOI: 10.1016/j.aca.2023.340930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/04/2023]
Abstract
Glyphosate, a potent herbicide wildly used in the world, involves potential hazards to human health by accumulating in the food chain. Due to its absence of chromophores and fluorophores, the rapid visual detection of glyphosate has always been difficult. Herein, a paper-based geometric field amplification device visualized by the amino-functionalized bismuth-based metal-organic framework (NH2-Bi-MOF) was constructed for sensitive fluorescence determination of glyphosate. Fluorescence of the synthesized NH2-Bi-MOF was immediately enhanced by interaction with glyphosate. The field amplification of glyphosate was implemented by coordinating the electric field and the electroosmotic flow, which was orchestrated by the geometric configuration of paper channel and the concentration of polyvinyl pyrrolidone, respectively. Under the optimal conditions, the developed method exhibited a linear range of 0.80-200 μmol L-1 with about 12500-fold signal enhancement achieved by just 100 s electric field amplification. It was applied to soil and water with recoveries between 95.7% and 105.6%, holding great prospects in on-site analysis of hazardous anions for environment safety.
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Affiliation(s)
- Chao-Qun Wan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, 214122, China
| | - Yue-Hong Pang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, 214122, China
| | - Qiu-Yu Yang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, 214122, China
| | - Cheng-Lin Yang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, 214122, China
| | - Xiao-Fang Shen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, 214122, China.
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23
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Zhang X, Sun B, Zhang Y, Zhang Q, Akhtar MH, Li M, Gu Y, Yu C. Portable smartphone-assisted ratiometric fluorescence sensor for visual detection of glucose. Anal Chim Acta 2023; 1260:341173. [PMID: 37121649 DOI: 10.1016/j.aca.2023.341173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/25/2023] [Accepted: 04/02/2023] [Indexed: 04/09/2023]
Abstract
Fluorescence-based visual assays have sparked tremendous attention in on-site detection due to their obvious color gradient changes and high sensitivity. In this study, a novel emission wavelength shift-based visual sensing platform is constructed to detect glucose based on the oxidation of Rhodamine B (RhB). MnO2 nanosheets (MnO2 NS) with strong oxidizing properties were introduced to oxidize RhB, which resulted in a blue shift in the emission wavelength, and a visual color changed of the fluorescence from orange-red to green. The oxidation reaction could be inhibited via reducing and destroying MnO2 NS by H2O2, which was produced by the oxidizing procedure of glucose in the presence of glucose oxidase (GOx). A series of wavelength shifts and fluorescence color variations appeared with the addition of various amounts of glucose. A ratiometric fluorescence glucose sensor with a lowest recorded concentration of 0.25 μM was developed. Meanwhile, test paper-based assays integrated with the smartphone platform were established for the sensing of glucose by means of the significant fluorescence color changes, offering a reliable, sensitive, and portable on-site assay of glucose.
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24
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Xie W, Liu J, Qu Y, Du F. Construction of a ratiometric fluorescent sensing platform based on near-infrared carbon dots for organophosphorus pesticides detection. ANAL SCI 2023:10.1007/s44211-023-00319-3. [PMID: 36944823 DOI: 10.1007/s44211-023-00319-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 03/04/2023] [Indexed: 03/23/2023]
Abstract
In this work, a convenient ratiometric fluorescent platform was designed to measure organophosphorus pesticides (OPs) based on acetylcholinesterase (AChE), acetylthiocholine (ATCh), manganese dioxide nanosheets (MnO2), near-infrared carbon dots (RCDs) and o-phenylenediamine (OPD). In this platform, a direct oxidation of OPD by MnO2 generated the luminescent product 2,3-diaminophenolazine (DAP) through intrinsic oxidase activity, while RCDs served as a fluorescent reference indicator. In the presence of AChE and ATCh, the enzymatic hydrolysate thiocholine (TCh) would reduce MnO2 nanosheets to Mn2+, leading to the quenching of DAP fluorescence. On the other hand, OPs can inhibit the catabolism of ATCh by AChE thus acting as a recognizer of OPs. According to these reactions, OPs were quantitatively analyzed by the intensity ratio of fluorescence emitted from RCDs and DAP (F560/F676). The constructed platform can detect OPs with the range of 0.2-0.6 μM with a detection limit of 4.3 nM. Figure A ratiometric fluorescent probe based on carbon dots was obtained and using it to determine the concentration of organophosphorus pesticides.
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Affiliation(s)
- Wenfei Xie
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Key Laboratory of Applied Analytical Chemistry (Guangxi Minzu University), Education Department of Guangxi Zhuang Autonomous Region, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530006, China
| | - Jinrui Liu
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Key Laboratory of Applied Analytical Chemistry (Guangxi Minzu University), Education Department of Guangxi Zhuang Autonomous Region, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530006, China
| | - Yunting Qu
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Key Laboratory of Applied Analytical Chemistry (Guangxi Minzu University), Education Department of Guangxi Zhuang Autonomous Region, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530006, China
| | - Fangkai Du
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Key Laboratory of Applied Analytical Chemistry (Guangxi Minzu University), Education Department of Guangxi Zhuang Autonomous Region, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, 530006, China.
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25
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Jiang W, Yang Z, Tong F, Zhang S, Zhu L, Wang L, Huang L, Liu K, Zheng M, Zhou Y, Hou R, Liu Y. Two birds with one stone: An enzyme-regulated ratiometric fluorescent and photothermal dual-mode probe for organophosphorus pesticide detection. Biosens Bioelectron 2023; 224:115074. [PMID: 36638562 DOI: 10.1016/j.bios.2023.115074] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
In this study, based on the oxidase activity and photothermal effect of manganese dioxide nanosheets (MnO2 NSs), with thiamine (TH) as the fluorescence response signal and tris (2,2'-bipyridyl) ruthenium (II) hexahydrate as the reference signal, an enzyme-regulated ratiometric fluorescence and photothermal dual-mode probe was constructed for the quantitative detection of organophosphorus pesticide (OPs) residues. OPs reduced the production of the reductive product thiocholine by inhibiting the activity of acetylcholinesterase, thereby regulating the residual amount of MnO2 NSs. With the increase of OPs concentration, the color of the probe solution gradually transitioned from red to blue, and the temperature gradually increased. Using dichlorvos and chlorpyrifos as pesticide models, the developed probes exhibited sensitive responses to OPs in a wide linear range of 0.1-8000 ng/mL. The detection limits of dichlorvos and chlorpyrifos in fluorescence mode were 1.13 × 10-3 ng/mL and 0.86 ng/mL, respectively. The corresponding detection limits in photothermal mode were 1.01 ng/mL and 1.02 ng/mL, respectively. The proposed probe displayed excellent anti-interference and reliability in the analysis of OPs residues in real samples. The dual-mode probe with self-verification function is expected to provide more accurate and robust detection results than the single-mode probe, and has a wider application prospect.
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Affiliation(s)
- Wanqi Jiang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Zan Yang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Fei Tong
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Siyu Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Lu Zhu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Lei Wang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Lunjing Huang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Kang Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Mingming Zheng
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Yibin Zhou
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Ruyan Hou
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China.
| | - Yingnan Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, 230036, China.
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26
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Tian J, An M, Zhao X, Wang Y, Hasan M. Advances in Fluorescent Sensing Carbon Dots: An Account of Food Analysis. ACS OMEGA 2023; 8:9031-9039. [PMID: 36936334 PMCID: PMC10018703 DOI: 10.1021/acsomega.2c07986] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Illuminating the use of nanomaterials, carbon quantum dots (CQDs) have transfigured the food safety arena because of their bright luminescence, optical properties, low toxicity, and enhanced biocompatibility. Therefore, fluorescent resonance energy transfer, photoinduced electron transfer, and an internal filtering effect mechanism allow precise detection of food additives, heavy metal ions, pathogenic bacteria, veterinary drug residues, and food nutrients. In this review, we describe the primal mechanism of CQD-based fluorescence sensors for food safety inspection. This is an abridged description of the nanodesign and future perspectives of more advanced CQD-based sensors for food safety analysis.
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Affiliation(s)
- Jixiang Tian
- Institute
of Chinese Materia Medica, Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Minmei An
- Taian
Traditional Chinese Medicine Hospital, Taian 271000, China
| | - Xiaoang Zhao
- Institute
of Chinese Materia Medica, Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yun Wang
- Institute
of Chinese Materia Medica, Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Murtaza Hasan
- Faculty
of Biological and Chemical Sciences, Department of Biotechnology, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
- School
of Chemistry and Chemical Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou 510225, China
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27
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MnO2 nanosheet-assisted ratiometric fluorescence probe for the detection of sulfide based on silicon nanoparticles and o-phenylenediamine. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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28
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Yang Y, Tong X, Chen Y, Zhou R, Cai G, Wang T, Zhang S, Shi S, Guo Y. A dual-emission carbon dots-based nonenzymatic fluorescent sensing platform for simultaneous detection of parathion-methyl and glyphosate. Food Chem 2023; 403:134346. [DOI: 10.1016/j.foodchem.2022.134346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/05/2022] [Accepted: 09/17/2022] [Indexed: 10/14/2022]
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29
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Engineering an Ag/Au bimetallic nanoparticle-based acetylcholinesterase SERS biosensor for in situ sensitive detection of organophosphorus pesticide residues in food. Anal Bioanal Chem 2023; 415:203-210. [PMID: 36333614 DOI: 10.1007/s00216-022-04400-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/06/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
Developing simple, efficient, and inexpensive method for trace amount organophosphorus pesticides' (OPs) detection with high sensitivity and specificity is of significant importance for guaranteeing food safety. Herein, an Ag/Au bimetallic nanoparticle-based acetylcholinesterase (AChE) surface-enhanced Raman scattering (SERS) biosensor was constructed for in situ simple and sensitive detection of pesticide residues in food. The principle of this biosensor exploited 4-mercaptophenylboronic acid (4-MPBA)-modified Ag/Au bimetallic nanoprobes as SERS signal probe to improve sensitivity and stability. The combination of AChE and choline oxidase (CHO) can hydrolyze acetylcholine (ATCh) to generate H2O2. The product of H2O2 selectively oxidizes the boronate ester of 4-MPBA, decreasing the Raman intensity of the B-O symmetric stretching. In the presence of OPs, it could inhibit the production of H2O2 by destroying the AChE activity, so the reduction of the SERS signal was also alleviated. Based on the principle, an Ag/Au bimetallic nanoparticle-based AChE SERS sensor was established without any complicated pretreatments. Benefiting from the synergistic effects of Ag/Au bimetallic hybrids, a linear detection range from 5×10-9 to 5×10-4 M was achieved with a limit of detection down to 1.7×10-9 M using parathion-methyl (PM) as the representative model of OPs. Moreover, the SERS biosensor uses readily available reagents and is simple to implement. Importantly, the proposed SERS biosensor was used to quantitatively analyze OP residues in apple peels. The levels of OPs detected in real samples by this method were consistent with those obtained using gas chromatography-mass spectrometry (GC-MS), suggesting the proposed assay has great potential applications for OPs in situ detection in food safety fields.
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30
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Rasheed T. Carbon dots as robust class of sustainable and environment friendlier nano/optical sensors for pesticide recognition from wastewater. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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31
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Metal-organic framework with dual-loading of nickel/nitrogen-doped carbon dots and magnetic nanoparticles for fluorescence detection of fenitrothion in food samples. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.104873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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32
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Lin J, Huang X, Kou E, Cai W, Zhang H, Zhang X, Liu Y, Li W, Zheng Y, Lei B. Carbon dot based sensing platform for real-time imaging Cu 2+ distribution in plants and environment. Biosens Bioelectron 2023; 219:114848. [PMID: 36327556 DOI: 10.1016/j.bios.2022.114848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/21/2022] [Accepted: 10/20/2022] [Indexed: 11/19/2022]
Abstract
Divalent copper is a double-edged sword for plants, excess or shortage of copper ions will cause adverse reactions in plants. Currently, Cu2+ sensor for plants is still underdeveloped and new technology is urgently required for realizing one-step and real-time detection of Cu2+ in plants. Herein, a home-made and low-cost sensing platform is constructed by using carbon dots (CDs) as the optical probe, electronic devices for image acquisition, and a built-in algorithm program for image processing, which allows the dynamic monitoring of Cu2+ distribution in different plant species with high spatial and temporal resolution. We found that the detection limit of R-CDs for Cu2+ in water sample was 0.375 nM, and 11.7 mg/kg or even less Cu2+ in plants can be visually observed and accurately detected by the sensing platform. Moreover, this sensing platform has also been employed for reporting the spatial distribution of Cu2+ in the external environment of plants, demonstrating its applicability for monitoring Cu2+ both in living plants and the surrounding environment. This study provides a smart sensing platform for precise detection in plant internal and external environments, offering a promising strategy for precision agriculture in real-time and remote-control manners.
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Affiliation(s)
- Junjie Lin
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Xiaoman Huang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Erfeng Kou
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Wenxiao Cai
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Haoran Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Xuejie Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Yingliang Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China
| | - Wei Li
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China.
| | - Yinjian Zheng
- Institute of Urban Agriculture, Chinese Academy of Agricultural Science, Chengdu, 610218, PR China.
| | - Bingfu Lei
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, PR China; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong, Maoming, 525100, PR China.
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33
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Lang Y, Zhang B, Cai D, Tu W, Zhang J, Shentu X, Ye Z, Yu X. Determination Methods of the Risk Factors in Food Based on Nanozymes: A Review. BIOSENSORS 2022; 13:69. [PMID: 36671904 PMCID: PMC9856088 DOI: 10.3390/bios13010069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Food safety issues caused by foodborne pathogens, chemical pollutants, and heavy metals have aroused widespread concern because they are closely related to human health. Nanozyme-based biosensors have excellent characteristics such as high sensitivity, selectivity, and cost-effectiveness and have been used to detect the risk factors in foods. In this work, the common detection methods for pathogenic microorganisms, toxins, heavy metals, pesticide residues, veterinary drugs, and illegal additives are firstly reviewed. Then, the principles and applications of immunosensors based on various nanozymes are reviewed and explained. Applying nanozymes to the detection of pathogenic bacteria holds great potential for real-time evaluation and detection protocols for food risk factors.
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Affiliation(s)
| | | | | | | | | | - Xuping Shentu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, College of Life Sciences, China Jiliang University, Xueyuan Street, Xiasha Higher Education District, Hangzhou 310018, China
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34
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Che S, Peng X, Zhuge Y, Chen X, Zhou C, Fu H, She Y. Fluorescent and Colorimetric Ionic Probe Based on Fluorescein for the Rapid and On-Site Detection of Paraquat in Vegetables and the Environment. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15390-15400. [PMID: 36417496 DOI: 10.1021/acs.jafc.2c05980] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Detection of pesticide paraquat (PQ) is of considerable significance to ensure food safety, and its rapid and on-site detection is still a challenge. Aimed at the ion characteristics of PQ, an "enrichment and detection" strategy was proposed to improve the sensitivity through electrostatic attractions, and the ion characteristic of probes was adopted to increase the portability through avoiding aggregation-caused quenching effects in the paper strips. Herein, a novel anion-functionalized ionic liquid (IL) probe with a large conjugated plane and rich π-electrons ([Fluo][P66614]2) was designed as a fluorescent and colorimetric dual-channel probe to sensitively and rapidly detect trace amounts of PQ in vegetables and the environment. The proposed probe exhibited good linearity with a detection limit of 64.0 nM in the PQ concentration range of 0.3-7.0 μM (fluorometry) and 0.1 μM in that of 0.1-8.0 μM (colorimetry), respectively. In addition, it displayed a rapid fluorescence quenching response from green to dark (<5 s) and excellent anti-interference (among 23 other pesticides) due to dual effects of electrostatic attraction and π-π stacking. Most importantly, the lipophilic IL probe could be applied in real vegetables and environmental samples with a satisfying recovery rate of 98-103% and assembled into a handy paper strip that achieved the visual semiquantitative detection of PQ. This ionic probe provides a feasible approach for rapidly and conveniently detecting PQ for ensuring agricultural and food safety and opens a new avenue to detect ion-responsive analytes in real complex samples by an "enrichment and detection" strategy.
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Affiliation(s)
- Siying Che
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
| | - Xiutan Peng
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
| | - Yiwan Zhuge
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
| | - Xinlan Chen
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
| | - ChunSong Zhou
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
| | - Haiyan Fu
- College of Pharmacy, South-Central University for Nationalities, Wuhan430074, China
| | - Yuanbin She
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou310014, China
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35
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Yu Y, Zhang L, Gao X, Feng Y, Wang H, Lei C, Yan Y, Liu S. Research Progress in the Synthesis of Carbon Dots and Their Application in Food Analysis. BIOSENSORS 2022; 12:1158. [PMID: 36551125 PMCID: PMC9775108 DOI: 10.3390/bios12121158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/30/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Food safety is connected to public health, making it crucial to protecting people's health. Food analysis and detection can assure food quality and effectively reduce the entry of harmful foods into the market. Carbon dots (CDs) are an excellent choice for food analysis and detection attributable to their advantages of good optical properties, water solubility, high chemical stability, easy functionalization, excellent bleaching resistance, low toxicity, and good biocompatibility. This paper focuses on the optical properties, synthesis methods, and applications of CDs in food analysis and detection, including the recent advances in food nutritional composition analysis and food quality detection, such as food additives, heavy metal ions, foodborne pathogens, harmful organic pollutants, and pH value. Moreover, this review also discusses the potentially toxic effects, current challenges, and prospects of CDs in basic research and applications. We hope that this review can provide valuable information to lay a foundation for subsequent research on CDs and promote the exploration of CDs-based sensing for future food detection.
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Affiliation(s)
- Yuan Yu
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing 312000, China
| | - Lili Zhang
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xin Gao
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuanmiao Feng
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Hongyuan Wang
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Caihong Lei
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing 312000, China
| | - Yanhong Yan
- Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Shuiping Liu
- College of Textile and Clothing, Yancheng Institute of Technology, Yancheng 224051, China
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36
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Zhao J, Li C, Du X, Zhu Y, Li S, Liu X, Liang C, Yu Q, Huang L, Yang K. Recent Progress of Carbon Dots for Air Pollutants Detection and Photocatalytic Removal: Synthesis, Modifications, and Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200744. [PMID: 36251773 DOI: 10.1002/smll.202200744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/07/2022] [Indexed: 06/16/2023]
Abstract
Rapid industrialization has inevitably led to serious air pollution problems, thus it is urgent to develop detection and treatment technologies for qualitative and quantitative analysis and efficient removal of harmful pollutants. Notably, the employment of functional nanomaterials, in sensing and photocatalytic technologies, is promising to achieve efficient in situ detection and removal of gaseous pollutants. Among them, carbon dots (CDs) have shown significant potential due to their superior properties, such as controllable structures, easy surface modification, adjustable energy band, and excellent electron-transfer capacities. Moreover, their environmentally friendly preparation and efficient capture of solar energy provide a green option for sustainably addressing environmental problems. Here, recent advances in the rational design of CDs-based sensors and photocatalysts are highlighted. An overview of their applications in air pollutants detection and photocatalytic removal is presented, especially the diverse sensing and photocatalytic mechanisms of CDs are discussed. Finally, the challenges and perspectives are also provided, emphasizing the importance of synthetic mechanism investigation and rational design of structures.
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Affiliation(s)
- Jungang Zhao
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caiting Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xueyu Du
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Youcai Zhu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Shanhong Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xuan Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caixia Liang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Qi Yu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Le Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Kuang Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
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Tang L, Wang C, Tian S, Zhang Z, Yu Y, Song D, Zhang Z. Label-Free and Ultrasensitive Detection of Butyrylcholinesterase and Organophosphorus Pesticides by Mn(II)-Based Electron Spin Resonance Spectroscopy with a Zero Background Signal. Anal Chem 2022; 94:16189-16195. [DOI: 10.1021/acs.analchem.2c03708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Li Tang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Chunyu Wang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Sizhu Tian
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Zhimin Zhang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Yong Yu
- College of Instrumentation and Electrical Engineering, Jilin University, West Minzhu Street 938, Changchun 130061, PR China
| | - Daqian Song
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Ziwei Zhang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
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38
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Behera L, Pati D, Sahu BB, Mohapatra S. One-step synthesis of Mn-carbon dot nanoprobe for signal-on detection of arsenic and reversible temperature sensing. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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39
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Li Y, Huang Z, Liu B, Huang ZZ, Yang H, Tan H. Portable hydrogel test kit integrated dual-emission coordination polymer nanocomposite for on-site detection of organophosphate pesticides. Biosens Bioelectron 2022; 220:114890. [DOI: 10.1016/j.bios.2022.114890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/31/2022] [Accepted: 11/04/2022] [Indexed: 11/06/2022]
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40
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Qian Z, Tan R, Zhang X, Leng Y, Chen Z. MnO2 Nanosheet-Based colorimetric sensor Array: Toward identification of organophosphorus pesticides. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107758] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Facile synthesis disposable MOF membrane filter: Growth of NH 2-MIL-125 (Ti) on filter paper for fast removal of organophosphorus pesticides in aqueous solution and vegetables. Food Chem 2022; 389:133056. [PMID: 35490518 DOI: 10.1016/j.foodchem.2022.133056] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/21/2022]
Abstract
Metal-organic frameworks (MOFs) have great potential to remove pesticide residues. However, the lack of affinity between the materials and target and the process of trivial sample preparation resulted in limited removal efficiency. Here, we report a one-pot method for the fast preparation of NH2-MIL-125 (Ti)-based filter paper to synthesise NH2-MIL-125 (Ti)-based filter paper membranes. The NH2-MIL-125 (Ti)-based filter paper membrane takes advantage of π-π interactions between the organophosphorus pesticides (OPPs) and the benzene ring of MOFs. The affinity of amino groups and metal Ti for phosphorus atoms in the OPPs exhibits rapid removal efficiency for three OPPs, imidan, fenthion, and fenitrothion. The isothermal adsorption results for imidan, fenthion, and fenitrothion were consistent with the Langmuir, Freundlich, and Langmuir models, respectively. The kinetic results for imidan, fenthion, and fenitrothion agreed with the pseudo-second-order kinetic model, and the removal efficiency reached equilibrium within 1 min. There was no significant change in the adsorption capacity of OPPs in different pH solutions (pH = 2-10). Compared with that of MOFs, the NH2-MIL-125 (Ti)-based filter paper membrane removal efficiency of OPPs is the same, and it also has better removal efficiency in actual spinach samples. As a result, the sample pretreatment procedure was simplified using a low-cost and simple-to-synthesize disposable NH2-MIL-125 (Ti)-based filter paper membrane, samples' quick separation and the simultaneous fast removal of OPPs.
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Zeng X, Hou M, Zhu P, Yuan M, Ouyang S, Lu Q, Zhao C, Wang H, Du F, Zeng G, Zhang Y. g-C 3N 5-dots as fluorescence probes prepared by an alkali-assisted hydrothermal method for cell imaging. RSC Adv 2022; 12:26476-26484. [PMID: 36275159 PMCID: PMC9478806 DOI: 10.1039/d2ra03934f] [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: 06/26/2022] [Accepted: 08/18/2022] [Indexed: 11/21/2022] Open
Abstract
Carbon nitride materials have become one of the highly explored carbon-based nanomaterials due to their unique properties. Herein, the novel graphitic carbon nitride quantum dots (g-C3N5-dots) were synthesized using an alkali-assisted hydrothermal method. The proposed strategy was simple, time-saving and the entire synthetic process only takes 60 min. And the prepared g-C3N5-dots showed excellent dispersion and good stability in water. What is more, the g-C3N5-dots displayed bright blue fluorescence with a high quantum yield of 12%. It was found that the g-C3N5-dots exhibited peroxidase-like activity, good biocompatibility and low cytotoxicity and can be successfully applied in cell imaging. The proposed method opens a new and efficient way for the preparation of fluorescent g-C3N5-dots and facilitates g-C3N5-dots for bioimaging and related biological sensing applications.
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Affiliation(s)
- Xiangwang Zeng
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Mengke Hou
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Pan Zhu
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Minyi Yuan
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Sitao Ouyang
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Qiujun Lu
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Chenxi Zhao
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Haiyan Wang
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Fuyou Du
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Guangsheng Zeng
- College of Biological and Chemical Engineering, Changsha University Changsha 410022 China +86-731-84261382 +86-84261506
| | - Youyu Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University Changsha 410081 China
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Li Z, Lin H, Wang L, Cao L, Sui J, Wang K. Optical sensing techniques for rapid detection of agrochemicals: Strategies, challenges, and perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156515. [PMID: 35667437 DOI: 10.1016/j.scitotenv.2022.156515] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/24/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
In recent years, the irrational use of agrochemicals has caused great harm to the environment and public health. Along with the rapid development of optical technology and nanotechnology, the research of optical sensing methods in agrochemical detection has been developed rapidly owing to its advantages of simplicity, fast response, and cost-effectiveness. In this review, the strategies of employing optical systems based on colorimetric sensor, fluorescence, chemiluminescence, terahertz spectroscopy, surface plasmon resonance, and surface-enhanced Raman spectroscopy for sensing agrochemicals were summarized. In addition, the challenges in the practical application of optical sensing technologies for agrochemical detection were discussed in-depth, and potential future trends and prospects of these techniques were addressed. A variety of nanomaterials have been developed for enhancing the sensitivity of optical sensing systems. The optical properties of nanomaterials are governed by their size, shape, and chemical structure. Although each optical sensing system holds its advantages, there are still many challenges that need to be overcome in practical applications. With the continuous developments in novel functional nanomaterials, sample preparation methods, and spectral processing algorithms, optical sensors are expected to have powerful potential for rapid testing of agrochemicals in the environment and foods.
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Affiliation(s)
- Zhuoran Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Lei Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Limin Cao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Jianxin Sui
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Kaiqiang Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China; Fujian Provincial Key Laboratory of Breeding Lateolabrax Japonicus, Ningde, Fujian 355299, China.
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44
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Li X, Xu C, Yan L, Feng Y, Li H, Ye C, Zhang M, Jiang C, Li J, Wu Y. A plasmonic AgNP decorated heterostructure substrate for synergetic surface-enhanced Raman scattering identification and quantification of pesticide residues in real samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:3250-3259. [PMID: 35993252 DOI: 10.1039/d2ay01068b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Rapid and on-site Raman spectroscopic identification and quantification of pesticide residues have been restricted to the low instrumental sensitivity of a portable Raman instrument, and no ideal platforms have been reported for analyzing pesticides on real sample surfaces. An efficient method to improve the detection sensitivity is to fabricate a highly sensitive surface-enhanced Raman scattering (SERS) substrate. Here, we present a MOF-derived ZnO@TiO2 heterostructure combined with plasmonic AgNPs as a SERS sensor to achieve synergetic EM and CM enhancement, exhibiting high sensitivity, excellent signal reproducibility (RSD < 5.9%) and superior stability for analysis of model molecules. The SERS sensor achieved a low detection concentration of 10-8 M for both CV and R6G molecular solutions on a portable Raman device. As a proof of concept, we modelled a pesticide residue on real samples of dendrobium leaves. Thiram, triazophos and fonofos solutions were selected as analytes for mimicking the function of on-site analysis. The SERS analytical platform showed not only high sensitivity for single- and multi-component identification, but also quantitative detection of pesticide residues on dendrobium leaves. These preliminary investigations indicate that this SERS analytical platform will allow the development and potential applications in rapid and on-site pesticide analysis.
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Affiliation(s)
- Xueting Li
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Chenyue Xu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Lan Yan
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Yating Feng
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Haoyue Li
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Cheng Ye
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Maofeng Zhang
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
| | - Changlong Jiang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China.
| | - Jianhua Li
- Anhui Topway Testing Services Co. Ltd, Xuancheng Economic and Technological Development Zone, 18 Rixin Road, 242000, China
| | - Yucheng Wu
- School of Materials Science and Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, 230009, China.
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45
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A Facile, Label-free and Versatile Fluorescence Sensing Nanoplatform Based on Titanium Carbide Nanosheets for the Detection of Various Targets. J Fluoresc 2022; 32:2189-2198. [DOI: 10.1007/s10895-022-03012-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/04/2022] [Indexed: 11/26/2022]
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46
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Chen PT, Lu YC, Tangsuwanjinda S, Chung RJ, Sakthivel R, Cheng HM. Irradiation-Induced Synthesis of Ag/ZnO Nanostructures as Surface-Enhanced Raman Scattering Sensors for Sensitive Detection of the Pesticide Acetamiprid. SENSORS (BASEL, SWITZERLAND) 2022; 22:6406. [PMID: 36080864 PMCID: PMC9459916 DOI: 10.3390/s22176406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Detecting pesticides using techniques that involve simple fabrication methods and conducting the detection at very low levels are challenging. Herein, we report the detection of acetamiprid at the quadrillionth level using surface-enhanced Raman scattering (SERS). The SERS chip comprises Ag nanoparticles deposited on a tetrapod structure of ZnO coated onto indium tin oxide glass (denoted as Ag@ZnO-ITO). Controlled Ag decoration of ZnO occurs via irradiation-induced synthesis. The morphology of the surface plays a significant role in achieving an enhanced SERS performance for acetamiprid detection. 4,4'-Dipyridyl (DPY) is used to investigate synthesis conditions for the chip, leading to an optimal irradiation time of 60 min. Furthermore, the enhancement factor for acetamiprid on Ag@ZnO-ITO is higher than 107. These results demonstrate that SERS sensors have the potential for practical use in acetamiprid detection.
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Affiliation(s)
- Po-Tuan Chen
- Department of Vehicle Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Yu-Chun Lu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Sripansuang Tangsuwanjinda
- Department of Electronic Engineering, Ming-Chi University of Technology, New Taipei City 243, Taiwan
- Organic Electronics Research Center, Ming-Chi University of Technology, New Taipei City 243, Taiwan
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Hsin-Ming Cheng
- Department of Electronic Engineering, Ming-Chi University of Technology, New Taipei City 243, Taiwan
- Organic Electronics Research Center, Ming-Chi University of Technology, New Taipei City 243, Taiwan
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47
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Ge J, Yang L, Li Z, Wan Y, Mao D, Deng R, Zhou Q, Yang Y, Tan W. A colorimetric smartphone-based platform for pesticides detection using Fe-N/C single-atom nanozyme as oxidase mimetics. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129199. [PMID: 35643002 DOI: 10.1016/j.jhazmat.2022.129199] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/06/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
In this study, a novel highly sensitive colorimetric platform has been designed for malathion assay based on Fe-N/C SAzyme. The as-synthesized SAzyme can directly oxidize 3,3´,5,5´-tetramethylbenzidine (TMB) to generate blue colored oxidized TMB. L-ascorbic acid-2-phosphate (AA2P), a substrate of acid phosphatase (ACP), could be hydrolyzed to AA, thereafter inhibit the oxidization reaction of TMB, leading to a conspicuous blue color fading. With the addition of malathion hindered the ACP activity and limited the AA production, resulting in the recovery of the catalytic activity of single-atom nanozyme. Under optimized operational conditions, a novel colorimetric assay has been designed for malathion detection with LOD of 0.42 nM. Besides, quantification of malathion in environmental and food samples was achieved based on the proposed strategy. In addition, the successfully integrated paper/smartphone sensor provided sensitive, and rapid, reliable detection of malathion with a LOD of 1 nM.
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Affiliation(s)
- Jia Ge
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Like Yang
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Zhaohui Li
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Yi Wan
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Life and Pharmaceutical Sciences, Marine College, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
| | - Dongsheng Mao
- Institute of Molecular Medicine and Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Ruijie Deng
- China College of Biomass Science and Engineering, Healthy Food Evaluation Research Center and Key Laboratory of Food Science and Technology of Ministry of Education of Sichuan Province, Sichuan University, Chengdu 610065, China
| | - Qi Zhou
- College of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Yu Yang
- Institute of Molecular Medicine and Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China; The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
| | - Weihong Tan
- Institute of Molecular Medicine and Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China; The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
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Zuo YN, Xia Y, Li Y, Sun J, Zhao XE, Zhu S. Cascade amplification strategy combined with analyte-triggered fluorescence switching of dual-quenching system for highly sensitive detection of isoniazide. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 276:121234. [PMID: 35413532 DOI: 10.1016/j.saa.2022.121234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/25/2022] [Accepted: 04/02/2022] [Indexed: 06/14/2023]
Abstract
A sensitive fluorescence sensing platform consisting of manganese dioxide nanosheets (MnO2) and gold nanoparticles (AuNPs) as dual nanoquenchers has been constructed to detect isoniazid combined with analyte-triggered cascade reactions. The fluorescence of 2,3-diaminophenazine (DAP) is quenched simultaneously by MnO2 and AuNPs via inner filter effect. MnO2 is decomposed by isoniazid to generate Mn2+, which makes AuNPs aggregated. The quenching abilities of both the decomposed MnO2 and aggregated AuNPs are inhibited, causing remarkable fluorescence recovery. The usage of dual nanoquenchers enhances the quenching efficiency and reduces the fluorescence background. Moreover, the isoniazid-triggered cascade reaction further amplifies the readout signal. Thus, this strategy exhibits higher sensitivity towards the detection of isoniazid. Compared with MnO2-based fluorescence assay, this strategy possesses lower limit of detection. This strategy has been successfully used to detect isoniazid in pharmaceutical preparations, which is of great significance for drug analysis.
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Affiliation(s)
- Ya-Nan Zuo
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City 273165, Shandong, China
| | - Yinghui Xia
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City 273165, Shandong, China
| | - Yanyu Li
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City 273165, Shandong, China
| | - Jing Sun
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining City 810001, Qinghai, China
| | - Xian-En Zhao
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City 273165, Shandong, China
| | - Shuyun Zhu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City 273165, Shandong, China.
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49
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Xia HY, Li BY, Zhao Y, Han YH, Wang SB, Chen AZ, Kankala RK. Nanoarchitectured manganese dioxide (MnO2)-based assemblies for biomedicine. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214540] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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50
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Zhu S, Liu Y, Gu Z, Zhao Y. Research trends in biomedical applications of two-dimensional nanomaterials over the last decade - A bibliometric analysis. Adv Drug Deliv Rev 2022; 188:114420. [PMID: 35835354 DOI: 10.1016/j.addr.2022.114420] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 06/20/2022] [Accepted: 07/04/2022] [Indexed: 11/01/2022]
Abstract
Two-dimensional (2D) nanomaterials with versatile properties have been widely applied in the field of biomedicine. Despite various studies having reviewed the development of biomedical 2D nanomaterials, there is a lack of a study that objectively summarizes and analyzes the research trend of this important field. Here, we employ a series of bibliometric methods to identify the development of the 2D nanomaterial-related biomedical field during the past 10 years from a holistic point of view. First, the annual publication/citation growth, country/institute/author distribution, referenced sources, and research hotspots are identified. Thereafter, based on the objectively identified research hotspots, the contributions of 2D nanomaterials to the various biomedical subfields, including those of biosensing, imaging/therapy, antibacterial treatment, and tissue engineering are carefully explored, by considering the intrinsic properties of the nanomaterials. Finally, prospects and challenges have been discussed to shed light on the future development and clinical translation of 2D nanomaterials. This review provides a novel perspective to identify and further promote the development of 2D nanomaterials in biomedical research.
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Affiliation(s)
- Shuang Zhu
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China; CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Beijing 100049, China; College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yaping Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Beijing 100049, China; The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui 230001, China
| | - Zhanjun Gu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Beijing 100049, China; College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yuliang Zhao
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China; College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
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