1
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Mamipour Z, Kompany-Zareh M, Nematollahzadeh A. A dually emissive MPA-CdTe QDs@N, S-GQD nanosensor for sensitive and selective detection of 4-nitrophenol using two turn-off signals. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:6073-6081. [PMID: 37927300 DOI: 10.1039/d3ay01160g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
4-Nitrophenol (4-NP) is an extremely poisonous and carcinogenic phenol that poses serious health issues to humans. Therefore, it becomes highly demanded and urgent to determine 4-NP in water samples. In this study, we developed a facile and effective dually-emissive nanosensor containing simply mixed CdTe quantum dots (CdTe QDs) and N, S modified graphene quantum dots (N, S-GQDs) for 4-NP. The synthesized CdTe QDs and N, S-GQDs exhibited excitation-independent emission located at 540 nm and 420 nm, respectively. The nanosensor displayed two turn-off fluorescent signals when exposed to 4-NP. The degree of quenching varied depending on the excitation wavelength range used, which can be explained by the quenching phenomenon based on the inner filter effect (IFE). Moreover, analysis of the recorded excitation-emission matrix (EEM) data using the parallel factor analysis (PARAFAC) technique revealed a negative emission spectrum corresponding to non-emissive 4-NP. On the other hand, the species with no peak in fluorescence data had a negative spectrum as the PARAFAC emission loading. Under the optimized conditions, the CdTe QDs@GQD nanosensor achieved fast and highly sensitive detection of 4-NP within the concentration range of 0.0-30.0 μM, with a detection limit of 0.52 μΜ.
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Affiliation(s)
- Zahra Mamipour
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.
- Chemical Engineering Department, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran
| | - Mohsen Kompany-Zareh
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Ali Nematollahzadeh
- Chemical Engineering Department, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran
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2
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Li D, Wang J. Semiconductor/Carbon Quantum Dot-based Hue Recognition Strategy for Point of Need Testing: A Review. ChemistryOpen 2023; 12:e202200165. [PMID: 36891621 PMCID: PMC10068770 DOI: 10.1002/open.202200165] [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: 07/26/2022] [Revised: 01/30/2023] [Indexed: 03/10/2023] Open
Abstract
The requirement to establish novel methods for visual detection is attracting attention in many application fields of analytical chemistry, such as, healthcare, environment, agriculture, and food. The research around subjects like "point-of-need", "hue recognition", "paper-based sensor", "fluorescent sensor", etc. has been always aimed at the opportunity to manufacture convenient and fast-response devices to be used by non-specialists. It is possible to achieve economic rationality and technical simplicity for optical sensing toward target analytes through introduction of fluorescent semiconductor/carbon quantum dot (QD) and paper-based substrates. In this Review, the mechanisms of anthropic visual recognition and fluorescent visual assays, characteristics of semiconductor/carbon QDs and ratiometric fluorescence test paper, and strategies of semiconductor/carbon QD-based hue recognition are described. We cover latest progress in the development and application of point-of-need sensors for visual detection, which is based on a semiconductor/carbon quantum dot-based hue recognition strategy generated by ratiometric fluorescence technology.
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Affiliation(s)
- Daquan Li
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
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3
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Zhang J, Chen H, Xu K, Deng D, Zhang Q, Luo L. Current Progress of Ratiometric Fluorescence Sensors Based on Carbon Dots in Foodborne Contaminant Detection. BIOSENSORS 2023; 13:233. [PMID: 36831999 PMCID: PMC9953573 DOI: 10.3390/bios13020233] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/30/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Carbon dots (CDs) are widely used in the detection of foodborne contaminants because of their biocompatibility, photoluminescence stability, and ease of chemical modification. In order to solve the interference problem of complexity in food matrices, the development of ratiometric fluorescence sensors shows great prospects. In this review, the progress of ratiometric fluorescence sensors based on CDs in foodborne contaminant detection in recent years will be summarized, focusing on the functionalized modification of CDs, the fluorescence sensing mechanism, the types of ratiometric fluorescence sensors, and the application of portable devices. In addition, the outlook on the development of the field will be presented, with the development of smartphone applications and related software helping to better enable the on-site detection of foodborne contaminants to ensure food safety and human health.
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Affiliation(s)
- Jialu Zhang
- School of Medicine, Shanghai University, Shanghai 200444, China
| | - Huinan Chen
- College of Sciences, Shanghai University, Shanghai 200444, China
| | - Kaidi Xu
- College of Sciences, Shanghai University, Shanghai 200444, China
| | - Dongmei Deng
- College of Sciences, Shanghai University, Shanghai 200444, China
| | - Qixian Zhang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200436, China
- Shaoxing Institute of Technology, Shanghai University, Shaoxing 312000, China
| | - Liqiang Luo
- College of Sciences, Shanghai University, Shanghai 200444, China
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4
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Tang K, Chen Y, Tang S, Wu X, Zhao P, Fu J, Lei H, Yang Z, Zhang Z. A smartphone-assisted down/up-conversion dual-mode ratiometric fluorescence sensor for visual detection of mercury ions and l-penicillamine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159073. [PMID: 36179841 DOI: 10.1016/j.scitotenv.2022.159073] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/18/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Establishment of a rapid, sensitive, visual, accurate and low-cost fluorescence detection system to detect multiple targets was of great significance in food safety evaluation, ecological environment monitoring and human health monitoring. In this work, a smartphone-assisted down/up-conversion dual-mode ratiometric fluorescence sensor was proposed based on metal-organic framework (NH2-MIL-101(Fe)) and CdTe quantum dots (CdTe QDs) for visual detection of mercury ions (Hg2+) and L-penicillamine (L-PA), in which NH2-MIL-101(Fe) was used as the reference signal and CdTe QDs was used as the response signal. The down-conversion fluorescence system at excitation wavelength of 300 nm (ex: 330 nm) was used to detect Hg2+ and L-PA, in which the detection limit of Hg2+ was 0.053 nM with the fluorescence color changed from green to blue, and the detection limit of L-PA was 1.10 nM with the fluorescence color changed from blue to green. Meanwhile, the up-conversion fluorescence system at excitation wavelength of 700 nm (ex: 700 nm) was used to detect Hg2+ and L-PA. The detection limits of Hg2+ and L-PA were 0.11 nM and 2.93 nM, respectively. The detection of Hg2+ and L-PA were also carried out based on the color extraction RGB values identified by the smartphone with a detection limit of 0.091 nM for Hg2+ and 8.97 nM for L-PA. In addition, the concentrations of Hg2+ and L-PA were evaluated by three-dimensional dynamic analysis in complex environments. The smartphone-assisted down/up-conversion dual-mode ratiometric fluorescence sensor system provides a new strategy for detection Hg2+ and L-PA in food safety evaluation, environmental monitoring and human health monitoring.
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Affiliation(s)
- Kangling Tang
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Yu Chen
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Sisi Tang
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Xiaodan Wu
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Pengfei Zhao
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Jinli Fu
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Huibin Lei
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Zhaoxia Yang
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China
| | - Zhaohui Zhang
- College of Chemistry and Chemical Engineering, Jishou University, Hunan 416000, PR China; School of Pharmaceutical Sciences, Jishou University, Jishou 416000, PR China; State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, PR China.
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5
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Heavy Metal Ions Trigger a Fluorescent Quenching in DNA–Organic Semiconductor Hybrid Assemblies. Polymers (Basel) 2022; 14:polym14173591. [PMID: 36080666 PMCID: PMC9460141 DOI: 10.3390/polym14173591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
The significance of DNA is no longer limited to its role as a biological information carrier; as a natural polymer, it also become in the field of materials. Single-stranded DNA (ssDNA) molecules with specific sequences can form a G-quadruplex or hairpin-shaped conformation with specific heavy metal ions through coordination bonds. In this study, ssDNA molecules of the four sequences were prepared into hybrid assemblies with one of the famous display materials, the tris-(8-hydroxyquinoline)aluminum (Alq3) semiconductor. Based on these hybrid assemblies, heavy metal ions, namely Pb2+, Hg2+, Cd2+ and As3+, were detected individually at the ppb level. Apart from this, in practical application, many samples containing heavy metal ions are digested with acid. By introducing MES buffer solution, the influence of acidity on the fluorescent signal of Alq3 was excluded. This strategy showed promising results in the practical application of detecting heavy metal ions in shrub branches and leaves.
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Podkolodnaya YA, Kokorina AA, Ponomaryova TS, Goryacheva OA, Drozd DD, Khitrov MS, Huang L, Yu Z, Tang D, Goryacheva IY. Luminescent Composite Carbon/SiO2 Structures: Synthesis and Applications. BIOSENSORS 2022; 12:bios12060392. [PMID: 35735539 PMCID: PMC9221055 DOI: 10.3390/bios12060392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/30/2022] [Accepted: 06/02/2022] [Indexed: 02/07/2023]
Abstract
Luminescent carbon nanostructures (CNSs) have attracted great interest from the scientific community due to their photoluminescent properties, structural features, low toxicity, and a great variety of possible applications. Unfortunately, a few problems hinder their further development. These include the difficulties of separating a mixture of nanostructures after synthesis and the dependence of their properties on the environment and the aggregate state. The application of a silica matrix to obtain luminescent composite particles minimizes these problems and improves optical properties, reduces photoluminescence quenching, and leads to wider applications. We describe two methods for the formation of silica composites containing CNSs: inclusion of CNSs into silica particles and their grafting onto the silica surface. Moreover, we present approaches to the synthesis of multifunctional particles. They combine the unique properties of silica and fluorescent CNSs, as well as magnetic, photosensitizing, and luminescent properties via the combination of functional nanoparticles such as iron oxide nanoparticles, titanium dioxide nanoparticles, quantum dots (QDs), and gold nanoclusters (AuNCs). Lastly, we discuss the advantages and challenges of these structures and their applications. The novelty of this review involves the detailed description of the approaches for the silica application as a matrix for the CNSs. This will support researchers in solving fundamental and applied problems of this type of carbon-based nanoobjects.
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Affiliation(s)
- Yuliya A. Podkolodnaya
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
| | - Alina A. Kokorina
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
- Correspondence: ; Tel.: +7-(951)-8861027
| | - Tatiana S. Ponomaryova
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
| | - Olga A. Goryacheva
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
| | - Daniil D. Drozd
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
| | - Mikhail S. Khitrov
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
| | - Lingting Huang
- Key Laboratory for Analytical Science of Food Safety and Biology, Department of Chemistry, Fuzhou University, Fuzhou 350108, China; (L.H.); (Z.Y.); (D.T.)
| | - Zhichao Yu
- Key Laboratory for Analytical Science of Food Safety and Biology, Department of Chemistry, Fuzhou University, Fuzhou 350108, China; (L.H.); (Z.Y.); (D.T.)
| | - Dianping Tang
- Key Laboratory for Analytical Science of Food Safety and Biology, Department of Chemistry, Fuzhou University, Fuzhou 350108, China; (L.H.); (Z.Y.); (D.T.)
| | - Irina Yu. Goryacheva
- Department of Inorganic Chemistry, Chemical Institute, Saratov State University, Astrakhanskaya Street 83, 410012 Saratov, Russia; (Y.A.P.); (T.S.P.); (O.A.G.); (D.D.D.); (M.S.K.); (I.Y.G.)
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7
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Boruah A, Saikia BK. Chemical Fabrication of Efficient Blue‐luminescent Carbon Quantum Dots from Coal Washery Rejects (Waste) for Detection of Hg
2+
and Cr
6+
Ions in Water. ChemistrySelect 2022. [DOI: 10.1002/slct.202104567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anusuya Boruah
- Coal & Energy Group Materials Science and Technology Division CSIR-North East Institute of Science and Technology Jorhat-785006 Assam India. Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Binoy K. Saikia
- Coal & Energy Group Materials Science and Technology Division CSIR-North East Institute of Science and Technology Jorhat-785006 Assam India. Academy of Scientific and Innovative Research Ghaziabad 201002 India
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8
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Xu Q, Cai H, Li W, Wu M, Wu Y, Gong X. Carbon dot/inorganic nanomaterial composites. JOURNAL OF MATERIALS CHEMISTRY A 2022. [DOI: 10.1039/d2ta02628g] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The preparation methods, formation mechanism, properties and applications of carbon dot/inorganic nanohybrid materials are reported.
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Affiliation(s)
- Qingqing Xu
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Huawei Cai
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China
| | - Wenjing Li
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Min Wu
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yongzhong Wu
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xiao Gong
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
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9
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Khani H, Abbasi S, Tavakkoli Yaraki M, Tan YN. A naked-eye colorimetric assay for detection of Hg2+ ions in real water samples based on gold nanoparticles-catalyzed clock reaction. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118243] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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10
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Xiao D, Qi H, Teng Y, Pierre D, Kutoka PT, Liu D. Advances and Challenges of Fluorescent Nanomaterials for Synthesis and Biomedical Applications. NANOSCALE RESEARCH LETTERS 2021; 16:167. [PMID: 34837561 PMCID: PMC8626755 DOI: 10.1186/s11671-021-03613-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/28/2021] [Indexed: 05/18/2023]
Abstract
With the rapid development of nanotechnology, new types of fluorescent nanomaterials (FNMs) have been springing up in the past two decades. The nanometer scale endows FNMs with unique optical properties which play a critical role in their applications in bioimaging and fluorescence-dependent detections. However, since low selectivity as well as low photoluminescence efficiency of fluorescent nanomaterials hinders their applications in imaging and detection to some extent, scientists are still in search of synthesizing new FNMs with better properties. In this review, a variety of fluorescent nanoparticles are summarized including semiconductor quantum dots, carbon dots, carbon nanoparticles, carbon nanotubes, graphene-based nanomaterials, noble metal nanoparticles, silica nanoparticles, phosphors and organic frameworks. We highlight the recent advances of the latest developments in the synthesis of FNMs and their applications in the biomedical field in recent years. Furthermore, the main theories, methods, and limitations of the synthesis and applications of FNMs have been reviewed and discussed. In addition, challenges in synthesis and biomedical applications are systematically summarized as well. The future directions and perspectives of FNMs in clinical applications are also presented.
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Affiliation(s)
- Deli Xiao
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing, 210009, China
| | - Haixiang Qi
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China
| | - Yan Teng
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China
| | - Dramou Pierre
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 210009, China
| | | | - Dong Liu
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, School of Biological and Pharmaceutical Engineering, West Anhui University, West of Yunlu Bridge, Moon Island, Lu'an, 237012, Anhui, China.
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11
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Zhao HM, Bao B, Sun T, Xue B. Depolymerized phosphorus-doped polymeric carbon nitride: A mercury (II) ion fluorescent probe. CERAMICS INTERNATIONAL 2021; 47:24115-24120. [DOI: 10.1016/j.ceramint.2021.05.122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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12
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Construction of ratiometric fluorescence MIPs probe for selective detection of tetracycline based on passion fruit peel carbon dots and europium. Mikrochim Acta 2021; 188:297. [PMID: 34401956 DOI: 10.1007/s00604-021-04929-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
A new type of ratiometric molecularly imprinted fluorescence probe (B-CQDs@Eu/MIPs) based on biomass carbon quantum dots (B-CQDs) and europium ions (Eu3+) has been prepared to recognize and detect tetracycline (TC). In the experiment, the fluorescent material B-CQDs were prepared using passion fruit peels through microwave-assisted method, which by the meantime achieves the reuse of biomass waste. TC can block the transition of some parts of electrons in the prepared B-CQDs from the excited state to the ground state, resulting in the weakening of its blue light (Ex = 394 nm, Em = 457 nm), while TC can be chelated by Eu3+ and emit red characteristic fluorescence (Ex = 394 nm, Em = 620 nm) due to the antenna effect. Thus, a ratiometric fluorescence response to TC is the result of the combined B-CQD and Eu3+ . Based on this, we established the ratiometric fluorescent molecularly imprinted (MIP) probe for the detection of TC. The prepared B-CQDs@Eu/MIPs is aimed at catching the fluorescence changes of target tetracycline (TC) sensitively with the special combination of the specific recognition cavities and TC. The linear fluorescence quenching range of TC in milk using the fluorescent probe was 25-2000 nM, and the detection limit was 7.9 nM. The recoveries of this method for TC were 94.2-103.7%, and the relative standard deviations (RSDs) were 1.5-5.3%. Owing to the predetermined nature of MIP technology and the special response of ratio fluorescence, the interference of common substances is eliminated completely, which greatly improved the selectivity of its practical applications.
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Liu J, Li Y, Liu L, Gao Y, Zhang Y, Yin Z, Pi F, Sun X. Current Progress on Antibiotic Sensing Based on Ratiometric Fluorescent Sensors. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:176-184. [PMID: 32747994 DOI: 10.1007/s00128-020-02946-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 07/19/2020] [Indexed: 06/11/2023]
Abstract
Antibiotics, which can be used as veterinary drugs, are widely used in the prevention and treatment of infectious diseases for animals. However, overuse of antibiotics had caused serious problems on food contamination and human harm. For control such public issues, several of techniques have been in recent years. Ratiometric fluorescent (RF) technique, as one of the most promising strategies for quantitatively evaluated analytes, had been extensively developed for the readily measurements on the two different fluorescent emission intensities. In this review, the construction strategies for recent RF sensors will be mainly focused on. Meanwhile, the recent advances and new tendencies for detection of antibiotics based on RF technique shall be introduced. Finally, outlooks on the opportunities and challenges for quantitative fluorescence sensing on antibiotics will be summarized.
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Affiliation(s)
- Jinghan Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Ying Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Lin Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Yueying Gao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Yuanyuan Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Ziye Yin
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China
| | - Fuwei Pi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
- Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, 214122, Jiangsu, People's Republic of China.
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14
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Algar WR, Massey M, Rees K, Higgins R, Krause KD, Darwish GH, Peveler WJ, Xiao Z, Tsai HY, Gupta R, Lix K, Tran MV, Kim H. Photoluminescent Nanoparticles for Chemical and Biological Analysis and Imaging. Chem Rev 2021; 121:9243-9358. [PMID: 34282906 DOI: 10.1021/acs.chemrev.0c01176] [Citation(s) in RCA: 123] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Research related to the development and application of luminescent nanoparticles (LNPs) for chemical and biological analysis and imaging is flourishing. Novel materials and new applications continue to be reported after two decades of research. This review provides a comprehensive and heuristic overview of this field. It is targeted to both newcomers and experts who are interested in a critical assessment of LNP materials, their properties, strengths and weaknesses, and prospective applications. Numerous LNP materials are cataloged by fundamental descriptions of their chemical identities and physical morphology, quantitative photoluminescence (PL) properties, PL mechanisms, and surface chemistry. These materials include various semiconductor quantum dots, carbon nanotubes, graphene derivatives, carbon dots, nanodiamonds, luminescent metal nanoclusters, lanthanide-doped upconversion nanoparticles and downshifting nanoparticles, triplet-triplet annihilation nanoparticles, persistent-luminescence nanoparticles, conjugated polymer nanoparticles and semiconducting polymer dots, multi-nanoparticle assemblies, and doped and labeled nanoparticles, including but not limited to those based on polymers and silica. As an exercise in the critical assessment of LNP properties, these materials are ranked by several application-related functional criteria. Additional sections highlight recent examples of advances in chemical and biological analysis, point-of-care diagnostics, and cellular, tissue, and in vivo imaging and theranostics. These examples are drawn from the recent literature and organized by both LNP material and the particular properties that are leveraged to an advantage. Finally, a perspective on what comes next for the field is offered.
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Affiliation(s)
- W Russ Algar
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Melissa Massey
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Kelly Rees
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Rehan Higgins
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Katherine D Krause
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Ghinwa H Darwish
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - William J Peveler
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Zhujun Xiao
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Hsin-Yun Tsai
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Rupsa Gupta
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Kelsi Lix
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Michael V Tran
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Hyungki Kim
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
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15
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Chen X, Sui X, Lu S, Qu Y, Liu T, Wang T. Preparation of carbon dots-based nanoparticles and their research of bioimaging and targeted antitumor therapy. J Biomed Mater Res B Appl Biomater 2021; 110:220-228. [PMID: 34231969 DOI: 10.1002/jbm.b.34905] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 06/23/2021] [Accepted: 06/27/2021] [Indexed: 11/08/2022]
Abstract
Carbon dots (CDs) are nanomaterials with excellent photoluminescence property, usually used in the field of bioimaging tumor cells. However, its practical applicability in cancer therapeutics is limited by CDs' insensitive surface properties to complicated tumor microenvironment in vivo. Herein, a new type of innovative biomimetic nanoparticles has been formed with HeLa cell membranes (CM) and multifunctional CDs containing antitumor and bioimaging activities. The CDs are prepared by a facile one-step microwave-assisted procedure. Gallic acid is used as carbon resource and antitumor active molecule. Gelatin is treated as the nitrogen resource. Citric acid monohydrate is used as the auxiliary carbon source and the Hela CM is used for tumor targeting. A series of fluorescence analyses has proved its homotypic targeting and ability of diagnosis. Besides, in vitro and in vivo antitumor experiments further indicate their better antitumor efficiency. The findings show the totally new nanoparticles' feasibilities of dealing with the clinical therapy problems as well as applying for the integration of diagnosis and targeting therapy.
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Affiliation(s)
- Xuan Chen
- College of Chemistry, Chemical Engineering and Resources Utilization, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Xiaoyu Sui
- College of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Shuting Lu
- College of Chemistry, Chemical Engineering and Resources Utilization, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Yanmei Qu
- College of Chemistry, Chemical Engineering and Resources Utilization, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Tingting Liu
- College of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Ting Wang
- College of Chemistry, Chemical Engineering and Resources Utilization, Northeast Forestry University, Harbin, Heilongjiang, China
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Chu H, Yao D, Chen J, Yu M, Su L. Detection of Hg 2+ by a Dual-Fluorescence Ratio Probe Constructed with Rare-Earth-Element-Doped Cadmium Telluride Quantum Dots and Fluorescent Carbon Dots. ACS OMEGA 2021; 6:10735-10744. [PMID: 34056227 PMCID: PMC8153792 DOI: 10.1021/acsomega.1c00263] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 04/02/2021] [Indexed: 05/06/2023]
Abstract
Quantum dots (QDs) and carbon quantum dots (CDs) are classes of zero-dimensional materials whose sizes can be ≤10 nm. They exhibit excellent optical properties and are widely used to prepare fluorescent probes for qualitative and quantitative detection of test objects. In this article, we used cerium chloride as the cerium source and used the in situ doped cerium (rare-earth element) to develop cadmium telluride (CdTe) quantum dots following the aqueous phase method. CdTe: Ce quantum dots were successfully synthesized. The solution of CdTe:Ce QDs was mixed with the CD solution prepared following the green microwave method to form a ratio fluorescence sensor that can be potentially used for the selective detection of mercury ions (Hg2+). We used transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and other microscopy and spectral characterization techniques to validate that Ce had been successfully doped. The test results on the fluorescence performance revealed that Ce doping enhances the predoped fluorescence performance of the CdTe QDs. We have quantitatively detected Hg2+ using a ratiometric fluorescence sensor to show that in the range of 10-60 nM, the fluorescence quenching efficiency increases linearly with the increase in Hg2+ concentration. The linear correlation coefficient R 2 = 0.9978, and its detection limit was found to be 2.63 nM L-1. It was observed that other interfering ions do not significantly affect the fluorescence intensity of the probe. According to the results of the blank addition experiment, the developed proportional fluorescence probe can be used for the detection of Hg2+ in actual samples.
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Hao AY, Wang XQ, Mei YZ, Nie JF, Yang YQ, Dai CC. A smartphone-combined ratiometric fluorescence probe for specifically and visibly detecting cephalexin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 249:119310. [PMID: 33338937 DOI: 10.1016/j.saa.2020.119310] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 06/12/2023]
Abstract
A smartphone-combined dual-emission ratiometric fluorescence probe for specifically and visibly detecting cephalexin was first designed. In the probe, blue-emitting fluorescent carbon dots (CDs) was synthesized and covered with a layer of silica spacer. Red-emitting fluorescent CdTe QDs (r-QDs) was grafted onto the silica nanospheres as an analytical probe. Then, the cephalexin antibody was covalent grafted to the ratio sensor to increase the selectivity. The ratio of fluorescence intensity (FL) of r-QDs and CDs was quenched with the increasing concentration of cephalexin. The detection method has good linear response in the range of 1-500 μM and the detection limit was 0.7 μM. Then portable device based on smartphone detection was constructed according to the color change under UV lamp. The detection image was obtained through the smartphone camera, and the color picker APP installed in the smartphone captured the RGB value of the image. In addition, this method was also used to determine the amount of cephalexin in milk samples with recovery of 94.1%-102.2%. These results showed that it was a portable, simple and visible method to detect cephalexin in food analysis and environmental monitoring.
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Affiliation(s)
- Ai-Yue Hao
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China
| | - Xue-Qing Wang
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Yan-Zhen Mei
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Jun-Fang Nie
- College of Pharmacy, Nanjing Tech University, Nanjing 211816, PR China
| | - Ya-Qiong Yang
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China.
| | - Chuan-Chao Dai
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China.
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18
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Li S, Zhang Z. Recent advances in the construction and analytical applications of carbon dots-based optical nanoassembly. Talanta 2021; 223:121691. [PMID: 33303144 DOI: 10.1016/j.talanta.2020.121691] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 12/26/2022]
Abstract
Recently, more and more attention has been focused on the construction and analytical applications of optical nanoassembly through combining carbon dots (CDs) with various other functional nanomaterials. The rational design and manufacture of CDs-based optical nanoassembly will be critical to meeting the needs of analytical science. The last decade has witnessed the immense potential of CDs-based optical nanoassembly in multiple sensing applications owing to their controlled optical properties, adjustable surface chemistry and microscopic morphology. This feature article collects the recent advances in the research and development of CDs-based optical nanoassembly and their applications in analytical sensors, aiming to provide vital insights and suggestions to inspire their broad sensing applications.
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Affiliation(s)
- Siqiao Li
- Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Zhengwei Zhang
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China.
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20
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Liu Q, Dong Z, Hao A, Guo X, Dong W. Synthesis of highly fluorescent carbon dots as a dual-excitation rationmetric fluorescent probe for the fast detection of chlorogenic acid. Talanta 2021; 221:121372. [DOI: 10.1016/j.talanta.2020.121372] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 02/09/2023]
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21
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Nejad MAF, Bigdeli A, Hormozi-Nezhad MR. Wide color-varying visualization of sulfide with a dual emissive ratiometric fluorescence assay using carbon dots and gold nanoclusters. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104960] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Liu H, Ding J, Chen L, Ding L. A novel fluorescence assay based on self-doping biomass carbon dots for rapid detection of dimethoate. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112724] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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23
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Long R, Tang C, Li T, Tong X, Tong C, Guo Y, Gao Q, Wu L, Shi S. Dual-emissive carbon dots for dual-channel ratiometric fluorometric determination of pH and mercury ion and intracellular imaging. Mikrochim Acta 2020; 187:307. [PMID: 32356117 DOI: 10.1007/s00604-020-04287-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/19/2020] [Indexed: 11/26/2022]
Abstract
Dual-emissive carbon dots (CDs) were fabricated for dual-channel ratiometric fluorometric determination of pH and mercury ion (Hg2+) and intracellular imaging. Dual-emissive CDs were synthesized by one-pot solvothermal treatment of cabbage. The CDs exhibited two distinctive fluorescence emissions at 500 and 678 nm under single excitation at 410 nm. The green emission (500 nm) had reversible linear response to pH (7.0-12.0) due to deprotonation and protonation of surface functional groups and their non-covalent interactions. On the other hand, the red emission (678 nm) had efficient and selective fluorescence response to Hg2+ by formation of non-emission complex between CDs and Hg2+. The limit of detection (LOD) and limit of quantification (LOQ) for Hg2+ were 6.25 and 20.63 nM, respectively. The CDs have been successfully applied for label-free ratiometric fluorometric determination of pH and Hg2+ in fish and human serum samples with good recoveries (92.0-108.3%). In addition, the CDs had excellent photostability, low cytotoxicity, and good biocompatibility for intracellular imaging. All in all, the system was multi-functional in determination, high in sensitivity, and excellent in selectivity, which demonstrated wide and promising applicability for biosensing and bioimaging in the future. Graphical abstract Schematic presentation of dual-emission carbon dots (CDs) synthesized by solvothermal treatment of cabbage for dual-channel determination of pH and Hg2+.
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Affiliation(s)
- Ruiqing Long
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Cui Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 410078, Changsha, People's Republic of China
| | - Te Li
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Xia Tong
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Chaoying Tong
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Ying Guo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 410078, Changsha, People's Republic of China.
| | - Qingping Gao
- Center of Stomatology, Xiangya Hospital, Central South University, Changsha, 410078, People's Republic of China
| | - Lihui Wu
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Shuyun Shi
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China.
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Chu H, Yao D, Chen J, Yu M, Su L. Double-Emission Ratiometric Fluorescent Sensors Composed of Rare-Earth-Doped ZnS Quantum Dots for Hg 2+ Detection. ACS OMEGA 2020; 5:9558-9565. [PMID: 32363308 PMCID: PMC7191836 DOI: 10.1021/acsomega.0c00861] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 04/08/2020] [Indexed: 05/08/2023]
Abstract
Quantum dots (QDs) are a class of zero-dimensional nanocrystal materials, whose lengths are limited to 2-10 nm. Their unique advantages such as wide excitation spectra, narrow emission spectra, and high quantum yield make their application possible in fluorescence sensing, wherein QDs such as CdSe, CdTe, and CdS are used. Indeed, QDs have a wide range of applications in fluorescence sensing, and there have been many reports of applications based on QDs as ion probes. The emission spectra of QDs can be adjusted by changing the size of the QDs or doping them with other ions/elements. However, the high toxicity of Cd and the poor anti-interference ability of single-emission fluorescent probes greatly limit the applications of QDs in many fields. In this paper, ZnS QDs are doped with the rare-earth element Ce to form a low-toxicity double-emission ratiometric fluorescent sensor, ZnS:Ce, for Hg2+ detection. The results of transmission electron microscopy (TEM), X-ray diffractometry, X-ray photoelectron spectroscopy, and optical spectroscopy show that ZnS:Ce QDs were successfully synthesized. Under the optimal conditions, the concentration of Hg2+ was in the range of 10-100 μM, which had a linear relationship with the fluorescence intensity of the ZnS:Ce QDs: the linear correlation coefficient was 0.998, and the detection limit was 0.82 μM L-1. In addition, the fluorescent sensor had good selectivity for Hg2+, and it was successfully applied to the detection of Hg2+ in laboratory water samples.
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25
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Carbon dots derived fluorescent nanosensors as versatile tools for food quality and safety assessment: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2019.11.017] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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26
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Chemiluminescent determination of L-cysteine with the lucigenin-carbon dot system. Mikrochim Acta 2019; 187:50. [PMID: 31848712 DOI: 10.1007/s00604-019-3965-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/18/2019] [Indexed: 01/06/2023]
Abstract
This work describes a new chemiluminescence (CL) system that is composed of lucigenin and carbon dots (CDs). The CDs display absorption peak at 260 nm and fluorescence with a emission peak centered at 524 nm (photo-excited at 470 nm). They were synthesized by hydrothermal treatment of starch and characterized by Fourier transform infrared spectroscopy, high resolution transmission electron microscopy, UV-vis absorption spectra and fluorescence spectra. The effects of oxygen and free radical scavengers on the CL system and on the CL spectra were investigated to elucidate the CL mechanism. It is found that L-cysteine (Cys) enhances the blue CL of the lucigenin-CD system by 59%. The finding was used to design a method for the determination of Cys. CL increases linearly in the 10.0 to 100 μM Cys concentration range, and the detection limit is 8.8 μM (at an S/N ratio of 3). The assay is highly selective over other amino acids. Conceivably, this novel CL system paves the way to numerous new assays based on the use of lucigenin. Graphical abstractSchematic representation of the carbon dots enhanced lucigenin chemiluminesence.
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Pang S. A ratiometric fluorescent probe for detection of uric acid based on the gold nanoclusters-quantum dots nanohybrid. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 222:117233. [PMID: 31176998 DOI: 10.1016/j.saa.2019.117233] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/31/2019] [Accepted: 05/31/2019] [Indexed: 06/09/2023]
Abstract
Herein, we developed a simple strategy for the preparation of dual-emission fluorescent nanohybrid constructed of gold nanoclusters (Au NCs) and quantum dots (QDs). The bovine serum albumin-capped Au NCs can be directly used as the stabilizers to prepare CdS QDs. The synthesized bovine serum albumin-capped Au NCs and CdS QDs nanohybrid (BSA-Au NCs/QDs) displayed dual emission bands respectively at 490 nm and 685 nm. An obvious fluorescence quenching around 685 nm was detected with the addition of hydrogen peroxide (H2O2) in the presence of Fe2+ ions, and the fluorescence emission peak at 490 nm was not affected. Uricase can break down uric acid to produce H2O2, and we further used the BSA-Au NCs/QDs as a ratiometric fluorescent probe for determination of uric acid with the linear range from 0.67 to 60 μmol·L-1 and the detection limit of 0.21 μmol·L-1.
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Affiliation(s)
- Shu Pang
- College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001, China.
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28
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Han L, Liu SG, Dong XZ, Liang JY, Li NB, Luo HQ. Construction of an effective ratiometric fluorescent sensing platform for specific and visual detection of mercury ions based on target-triggered the inhibition on inner filter effect. JOURNAL OF HAZARDOUS MATERIALS 2019; 376:170-177. [PMID: 31128396 DOI: 10.1016/j.jhazmat.2019.05.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 04/03/2019] [Accepted: 05/11/2019] [Indexed: 06/09/2023]
Abstract
Sensitive and selective determination of mercury ion (Hg2+) is critical for human health and environmental monitoring. Herein we construct an effective ratiometric fluorescent sensing platform by combining green fluorescent polymer carbon dots (PCDs) and red fluorescent tetraphenylporphyrin tetrasulfonic acid hydrate (TPPS) for specific and visual detection of Hg2+. The fluorescence of PCDs can be quenched by TPPS through inner filter effect (IEF). In the presence of both Mn2+ and Hg2+, however, Hg2+ can expedite the complexation of TPPS and Mn2+, which causes the decrease in both fluorescence and absorption of TPPS, accompanied by the fluorescence recovery of PCDs due to the subdued IFE between TPPS and PCDs. Based on the change of fluorescence signal, a ratiometric fluorescent sensing platform is constructed for specific and visual detection of Hg2+. The proposed approach presents a fine linear range for Hg2+ over the range of 10-200 nM with a detection limit of 0.038 nM. Moreover, an easily distinguishable fluorescence color change from pink to green with the increase of Hg2+ concentration can be observed by the naked eye under a UV lamp. Such a simple and effective method shows great potential for visual sensing of Hg2+ in on-site and resource-limited settings.
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Affiliation(s)
- Lei Han
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Shi Gang Liu
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Xue Zhen Dong
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Jia Yu Liang
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Nian Bing Li
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
| | - Hong Qun Luo
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
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Abstract
Carbon and graphene quantum dots (CQDs and GQDs), known as zero-dimensional (0D) nanomaterials, have been attracting increasing attention in sensing and bioimaging. Their unique electronic, fluorescent, photoluminescent, chemiluminescent, and electrochemiluminescent properties are what gives them potential in sensing. In this Review, we summarize the basic knowledge on CQDs and GQDs before focusing on their application to sensing thus far followed by a discussion of future directions for research into CQDs- and GQD-based nanomaterials in sensing. With regard to the latter, the authors suggest that with the potential of these nanomaterials in sensing more research is needed on understanding their optical properties and why the synthetic methods influence their properties so much, into methods of surface functionalization that provide greater selectivity in sensing and into new sensing concepts that utilize the virtues of these nanomaterials to give us new or better sensors that could not be achieved in other ways.
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Affiliation(s)
- Meixiu Li
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - Tao Chen
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - J. Justin Gooding
- School of Chemistry, Australian Centre for NanoMedicine and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
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Yahyazadeh E, Shemirani F. Easily synthesized carbon dots for determination of mercury(II) in water samples. Heliyon 2019; 5:e01596. [PMID: 31193159 PMCID: PMC6520557 DOI: 10.1016/j.heliyon.2019.e01596] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/08/2019] [Accepted: 04/25/2019] [Indexed: 12/27/2022] Open
Abstract
In this work, a simple thermal method was used to synthesize carbon dots from citric acid and glycine precursors. It was found that Hg(II) ions can selectively quench the fluorescence emission of these carbon dots. Subsequently, a sensor was designed and optimized for the determination of Hg(II) ions. The limit of detection and quantification of the sensor were found to be 38 and 112 ppb, respectively. The sensor showed good selectivity toward Hg(II) ions and was successfully used for the determination of Hg(II) ions in mineral water samples.
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Affiliation(s)
| | - Farzaneh Shemirani
- School of Chemistry, College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
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31
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Gao Y, Liu M, Yue X, Du J. Ratiometric fluorometric determination of mercury(II) by exploiting its quenching effect on glutathione-stabilized and tetraphenylporphyrin modified gold nanoclusters. Mikrochim Acta 2019; 186:307. [PMID: 31030307 DOI: 10.1007/s00604-019-3405-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 04/02/2019] [Indexed: 10/26/2022]
Abstract
A ratiometric fluorometric assay for mercury(II) ion is described. It is making use of glutathione-stabilized gold nanoclusters (GSH-AuNCs) modified with tetraphenylporphyrin tetrasulfonic acid (TPPS). The resultant GSH-AuNC/TPPS nanocomposite displays dual emission (at 572 and 664 nm) under a single excitation wavelength of 365 nm. Mercury(II) ion intensively quenches the yellow fluorescence of GSH-AuNCs (peaking at 572 nm) but has a negligible effect on the red fluorescence of TPPS (at 664 nm). The ratio of fluorescence intensities at 572 and 664 nm drops linearly with Hg(II) ion concentration in the 0.02-2.0 μmol·L-1 range, and the detection limit is 7 nmol·L-1 (3sb/S). The relative standard deviation (RSD) of the assay is 2.0% at a 0.5 μmol·L-1 concentration level (n = 11). The method was successfully applied to the determination of Hg(II) ion in spiked water samples, with recoveries within the range of 87.5-107.5%. Graphical abstract Ratiometric fluorescence detection of mercury(II).
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Affiliation(s)
- Yanfang Gao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Mei Liu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, 710062, China
| | - Xuanfeng Yue
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China.
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China.
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Optical Sensors Based on II-VI Quantum Dots. NANOMATERIALS 2019; 9:nano9020192. [PMID: 30717393 PMCID: PMC6410100 DOI: 10.3390/nano9020192] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 01/23/2019] [Accepted: 01/28/2019] [Indexed: 02/07/2023]
Abstract
Fundamentals of quantum dots (QDs) sensing phenomena show the predominance of these fluorophores over standard organic dyes, mainly because of their unique optical properties such as sharp and tunable emission spectra, high emission quantum yield and broad absorption. Moreover, they also indicate no photo bleaching and can be also grown as no blinking emitters. Due to these properties, QDs may be used e.g., for multiplex testing of the analyte by simultaneously detecting multiple or very weak signals. Physico-chemical mechanisms used for analyte detection, like analyte stimulated QDs aggregation, nonradiative Förster resonance energy transfer (FRET) exhibit a number of QDs, which can be applied in sensors. Quantum dots-based sensors find use in the detection of ions, organic compounds (e.g., proteins, sugars, volatile substances) as well as bacteria and viruses.
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Molaei MJ. A review on nanostructured carbon quantum dots and their applications in biotechnology, sensors, and chemiluminescence. Talanta 2018; 196:456-478. [PMID: 30683392 DOI: 10.1016/j.talanta.2018.12.042] [Citation(s) in RCA: 204] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 12/11/2018] [Accepted: 12/13/2018] [Indexed: 12/22/2022]
Abstract
Carbon quantum dots (CQDs) are a member of carbon nanostructures family which have received increasing attention for their photoluminescence (PL), physical and chemical stability and low toxicity. The classical semiconductor quantum dots (QDs) are semiconductor particles that are able to emit fluorescence by excitation. The CQDs is mainly referred to photoluminescent carbon nanoparticles less than 10 nm, with surface modification or functionalization. Contrary to other carbon nanostructures, CQDs can be synthesized and functionalized fast and easily. The fluorescence origin of the CQDs is a controversial issue which depends on carbon source, experimental conditions, and functional groups. However, PL emissions originated from conjugated π-domains and surface defects have been proposed for the PL emission mechanisms of the CQDs. These nanostructures have been used as nontoxic alternatives to the classical heavy metals containing semiconductor QDs in some applications such as in-vivo and in-vitro bio-imaging, drug delivery, photosensors, chemiluminescence (CL), and etc. This paper will introduce CQDs, their structure, and PL characteristics. Recent advances of the application of CQDs in biotechnology, sensors, and CL is comprehensively discussed.
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Affiliation(s)
- Mohammad Jafar Molaei
- Faculty of Chemical and Materials Engineering, Shahrood University of Technology, Shahrood 3619995161, Iran.
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Chan KK, Yap SHK, Yong KT. Biogreen Synthesis of Carbon Dots for Biotechnology and Nanomedicine Applications. NANO-MICRO LETTERS 2018; 10:72. [PMID: 30417004 PMCID: PMC6208800 DOI: 10.1007/s40820-018-0223-3] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/02/2018] [Indexed: 05/14/2023]
Abstract
Over the past decade, carbon dots have ignited a burst of interest in many different fields, including nanomedicine, solar energy, optoelectronics, energy storage, and sensing applications, owing to their excellent photoluminescence properties and the easiness to modify their optical properties through doping and functionalization. In this review, the synthesis, structural and optical properties, as well as photoluminescence mechanisms of carbon dots are first reviewed and summarized. Then, we describe a series of designs for carbon dot-based sensors and the different sensing mechanisms associated with them. Thereafter, we elaborate on recent research advances on carbon dot-based sensors for the selective and sensitive detection of a wide range of analytes, including heavy metals, cations, anions, biomolecules, biomarkers, nitroaromatic explosives, pollutants, vitamins, and drugs. Lastly, we provide a concluding perspective on the overall status, challenges, and future directions for the use of carbon dots in real-life sensing.
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Affiliation(s)
- Kok Ken Chan
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Stephanie Hui Kit Yap
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Ken-Tye Yong
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
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35
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Achadu OJ, Revaprasadu N. Microwave-assisted synthesis of thymine-functionalized graphitic carbon nitride quantum dots as a fluorescent nanoprobe for mercury(II). Mikrochim Acta 2018; 185:461. [PMID: 30219975 DOI: 10.1007/s00604-018-3004-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 09/09/2018] [Indexed: 12/16/2022]
Abstract
A microwave-assisted hydrothermal method was employed to prepare thymine-modified graphitic carbon nitride quantum dots (T-gCNQDs) which are shown to be a novel fluorescent nanoprobe for Hg(II). They exhibit excellent optical properties (blue emission with a fluorescence quantum yield of 46%) and water solubility. The incorporation of thymine into the gCNQDs results in an enhancement in photoluminescence properties. It is found that fluorescence, best measured at excitation/emission wavelengths of 350/445 nm, is much more strongly quenched by Hg(II) compared to the thymine-free nanoprobe. The quenching is highly selective even in the presence other metal ions. This is ascribed to the formation of T-Hg(II)-T base complexes. Fluorescence drops linearly in the 1.0 to 500 nM Hg(II) concentration range, and the limit of detection is 0.15 nM. The method was applied to the determination of Hg(II) in spiked samples of tap and pond water. Recoveries were found to be >95%, thus demonstrating the practical applicability of the assay. Graphical abstract A microwave-assisted hydrothermal route was employed to prepare thymine-functionalized graphitic carbon nitride QDs (T-gCNQDs). A selective fluorescence quenching mechanism occurred between T-gCNQDs and Hg(II) due to thymine functionalization. T-gCNQDs was utilized to detect Hg(II) in real samples.
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Affiliation(s)
- Ojodomo J Achadu
- Department of Chemistry, University of Zululand, Private Bag X1001, KwaDlangezwa, 3886, South Africa.
| | - Neerish Revaprasadu
- Department of Chemistry, University of Zululand, Private Bag X1001, KwaDlangezwa, 3886, South Africa
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Surface modification and chemical functionalization of carbon dots: a review. Mikrochim Acta 2018; 185:424. [DOI: 10.1007/s00604-018-2953-9] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 08/03/2018] [Indexed: 10/28/2022]
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37
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Da Q, Gu Y, Peng X, Zhang L, Du S. Colorimetric and visual detection of mercury(II) based on the suppression of the interaction of dithiothreitol with agar-stabilized silver-coated gold nanoparticles. Mikrochim Acta 2018; 185:357. [PMID: 29974244 DOI: 10.1007/s00604-018-2899-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 06/28/2018] [Indexed: 01/15/2023]
Abstract
A colorimetric and visual method is described for the determination of mercury(II) ion. A gel consisting of agar-stabilized silver-coated gold nanoparticles (Au@Ag NPs) was prepared. The reaction with dithiothreitol (DTT) via thiol-Ag chemistry results in an orange to purple color change of the gel. However, in the presence of Hg(II), the reaction of DTT with the silver shells is suppressed due to the strong thiophilicity of Hg(II). The color of the gel changes from purple to red to orange in the presence of increasing concentrations of Hg(II). The Au@Ag NPs therefore are a viable optical probe for Hg(II) which can be detected in concentration as low as 78 nM via dual-wavelength ratiometric absorbance (A390/A520), and at 1 μM levels with bare eyes. The use of agar as a support is mandatory to prevent the aggregation of the NPs and also improves selectivity. The method was applied to the analysis of spiked samples, and recoveries ranged between 96.3 and 104%. The assay is easy, inexpensive, and in our perception represents an attractive tool for on-site visual detection of Hg(II). Graphical abstract Schematic of the assay. With increasing concentrations of Hg(II), the oxidative etching of silver shells caused by dithiothreitol (DTT) is gradually inhibited, and the color of agar-stabilized Au@Ag NP gel varies from purple to red, and finally to orange. This can be used for visual detection of Hg(II).
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Affiliation(s)
- Qiang Da
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Yuanyuan Gu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Xiafeng Peng
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Liying Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
| | - Shuhu Du
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
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38
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Colorimetric determination of Hg(II) via the gold amalgam induced deaggregation of gold nanoparticles. Mikrochim Acta 2018; 185:351. [PMID: 29968011 DOI: 10.1007/s00604-018-2900-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 06/28/2018] [Indexed: 10/28/2022]
Abstract
A method is described for the colorimetric determination of mercury(II). In the absence of Hg(II), aminopropyltriethoxysilane (APTES) which is positively charged at pH 7 is electrostatically absorbed on the surface of gold nanoparticles (AuNPs). This neutralizes the negative charges of the AuNPs and leads to NP aggregation and a color change from red to blue-purple. However, in the presence of Hg(II), reduced Hg (formed through the reaction between Hg(II) and citrate on the AuNP surface) will replace the APTES on the AuNPs. Hence, the formation of aggregates is suppressed and the color of the solution does not change. The assay is performed by measuring the ratio of absorbances at 650 and 520 nm and can detect Hg(II) at nanomolar levels with a 10 nM limit of detection. The specific affinity between mercury and gold warrants the excellent selectivity for Hg(II) over other environmentally relevant metal ions. Graphical Abstract Schematic of the method for determination of Hg2+ based on the gold amalgam-induced deaggregation of gold nanoparticles in the presence of APTES with the LOD of 10.1 nM.
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Retterer ST, Morrell-Falvey JL, Doktycz MJ. Nano-Enabled Approaches to Chemical Imaging in Biosystems. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2018; 11:351-373. [PMID: 29490189 DOI: 10.1146/annurev-anchem-061417-125635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Understanding and predicting how biosystems function require knowledge about the dynamic physicochemical environments with which they interact and alter by their presence. Yet, identifying specific components, tracking the dynamics of the system, and monitoring local environmental conditions without disrupting biosystem function present significant challenges for analytical measurements. Nanomaterials, by their very size and nature, can act as probes and interfaces to biosystems and offer solutions to some of these challenges. At the nanoscale, material properties emerge that can be exploited for localizing biomolecules and making chemical measurements at cellular and subcellular scales. Here, we review advances in chemical imaging enabled by nanoscale structures, in the use of nanoparticles as chemical and environmental probes, and in the development of micro- and nanoscale fluidic devices to define and manipulate local environments and facilitate chemical measurements of complex biosystems. Integration of these nano-enabled methods will lead to an unprecedented understanding of biosystem function.
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Affiliation(s)
- Scott T Retterer
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA;
- Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | | | - Mitchel J Doktycz
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA;
- Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
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40
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Water-soluble polymer dots formed from polyethylenimine and glutathione as a fluorescent probe for mercury(II). Mikrochim Acta 2018; 185:284. [DOI: 10.1007/s00604-018-2817-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 04/24/2018] [Indexed: 11/26/2022]
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41
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Ulep TH, Yoon JY. Challenges in paper-based fluorogenic optical sensing with smartphones. NANO CONVERGENCE 2018; 5:14. [PMID: 29755926 PMCID: PMC5937860 DOI: 10.1186/s40580-018-0146-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 04/27/2018] [Indexed: 05/23/2023]
Abstract
Application of optically superior, tunable fluorescent nanotechnologies have long been demonstrated throughout many chemical and biological sensing applications. Combined with microfluidics technologies, i.e. on lab-on-a-chip platforms, such fluorescent nanotechnologies have often enabled extreme sensitivity, sometimes down to single molecule level. Within recent years there has been a peak interest in translating fluorescent nanotechnology onto paper-based platforms for chemical and biological sensing, as a simple, low-cost, disposable alternative to conventional silicone-based microfluidic substrates. On the other hand, smartphone integration as an optical detection system as well as user interface and data processing component has been widely attempted, serving as a gateway to on-board quantitative processing, enhanced mobility, and interconnectivity with informational networks. Smartphone sensing can be integrated to these paper-based fluorogenic assays towards demonstrating extreme sensitivity as well as ease-of-use and low-cost. However, with these emerging technologies there are always technical limitations that must be addressed; for example, paper's autofluorescence that perturbs fluorogenic sensing; smartphone flash's limitations in fluorescent excitation; smartphone camera's limitations in detecting narrow-band fluorescent emission, etc. In this review, physical optical setups, digital enhancement algorithms, and various fluorescent measurement techniques are discussed and pinpointed as areas of opportunities to further improve paper-based fluorogenic optical sensing with smartphones.
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Affiliation(s)
- Tiffany-Heather Ulep
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721 USA
| | - Jeong-Yeol Yoon
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721 USA
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42
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Microwave-assisted synthesis of carbon dots for "turn-on" fluorometric determination of Hg(II) via aggregation-induced emission. Mikrochim Acta 2018; 185:252. [DOI: 10.1007/s00604-018-2781-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 03/26/2018] [Indexed: 10/17/2022]
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43
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Butwong N, Kunthadong P, Soisungnoen P, Chotichayapong C, Srijaranai S, Luong JHT. Silver-doped CdS quantum dots incorporated into chitosan-coated cellulose as a colorimetric paper test stripe for mercury. Mikrochim Acta 2018; 185:126. [DOI: 10.1007/s00604-018-2671-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 01/10/2018] [Indexed: 12/23/2022]
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44
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The FRET performance and aggregation-induced emission of two-dimensional organic-inorganic perovskite, and its application to the determination of Hg(II). Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2360-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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45
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Ji D, Meng H, Ge J, Zhang L, Wang H, Bai D, Li J, Qu L, Li Z. Ultrasensitive fluorometric glutathione assay based on a conformational switch of a G-quadruplex mediated by silver(I). Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2343-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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46
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Zu F, Yan F, Bai Z, Xu J, Wang Y, Huang Y, Zhou X. The quenching of the fluorescence of carbon dots: A review on mechanisms and applications. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2318-9] [Citation(s) in RCA: 464] [Impact Index Per Article: 66.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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47
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Chen L, Sun L, Zheng J, Dai J, Wu Y, Dai X, Li C, Yan Y. Dual-emission ratiometric fluorescence detection of aspirin in human saliva: onsite naked-eye detection and high stability. NEW J CHEM 2017. [DOI: 10.1039/c7nj03015k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly stable ratiometric fluorescence probe based on dual-emission QDs was designed for the visual detection of aspirin in human saliva.
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Affiliation(s)
- Li Chen
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Lin Sun
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Jiahong Zheng
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Jiangdong Dai
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Yilin Wu
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Xiaohui Dai
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Chunxiang Li
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
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