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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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2
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Computational design of a nanoconjugate model of pyrene-linked CdTe quantum dot for the detection of trinitrotoluene. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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3
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Synthetic Approaches, Modification Strategies and the Application of Quantum Dots in the Sensing of Priority Pollutants. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112411580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and nitro-aromatic compounds (NACs) are two classifications of environmental pollutants that have become a source of health concerns. As a result, there have been several efforts towards the development of analytical methods that are efficient and affordable that can sense these pollutants. In recent decades, a wide range of techniques has been developed for the detection of pollutants present in the environment. Among these different techniques, the use of semiconductor nanomaterials, also known as quantum dots, has continued to gain more attention in sensing because of the optical properties that make them useful in the identification and differentiation of pollutants in water bodies. Reported studies have shown great improvement in the sensing of these pollutants. This review article starts with an introduction on two types of organic pollutants, namely polycyclic aromatic hydrocarbons and nitro-aromatic explosives. This is then followed by different quantum dots used in sensing applications. Then, a detailed discussion on different groups of quantum dots, such as carbon-based quantum dots, binary and ternary quantum dots and quantum dot composites, and their application in the sensing of organic pollutants is presented. Different studies on the comparison of water-soluble quantum dots and organic-soluble quantum dots of a fluorescence sensing mechanism are reviewed. Then, different approaches on the improvement of their sensitivity and selectivity in addition to challenges associated with some of these approaches are also discussed. The review is concluded by looking at different mechanisms in the sensing of polycyclic aromatic hydrocarbons and nitro-aromatic compounds.
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Cui H, Wang C, Jia S, Qian J, Zhang Q, Tian Y, Hao N, Wei J, Long L, Wang K. Controlling the ligands of CdZnTe quantum dots to design a super simple ratiometric fluorescence nanosensor for silver ion detection. Analyst 2021; 146:5747-5755. [PMID: 34515708 DOI: 10.1039/d1an01200b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A super simple ratiometric fluorescence nanosensor has been fabricated by controlling the ligands of CdZnTe quantum dots (QDs), allowing the sensitive and visual detection of silver ions (Ag+). The green-emitting L-cysteine-protected CdZnTe QDs (Lcys-CdZnTe QDs) had a specific response to Ag+ and were used as the reporting probe, while the red-emitting N-acetyl-L-cysteine-protected CdZnTe QDs (NAC-CdZnTe QDs) showed no obvious response to all tested metal ions and were selected as the reference probe. Simply mixing them without any encapsulated synthesis ultimately produced a time-saving, low-cost detection method, allowing the sensitive and visual detection of Ag+ in samples. The proposed nanosensor exhibited a linear range of 0.5-4.0 μM along with a detection limit of 0.17 μM, and has been successfully applied in real tap water and lake water samples. This nanosensor also showed obvious color changes in the detection process and has potential in visual semi-quantitative detection. Our approach may provide a general and feasible strategy for designing ratiometric fluorescence nanosensors, which will attract a wide range of interest in sensing-related fields.
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Affiliation(s)
- Haining Cui
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Chengquan Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Suli Jia
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Jing Qian
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Qi Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Yunmeng Tian
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Nan Hao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Jie Wei
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Lingliang Long
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Kun Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China. .,Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
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Pan T, Shan X, Jiang D, Qi L, Wang W, Chen Z. Fluorometric Aptasensor for Determination of Escherichia coli O157:H7 by FRET Effect between Aminated Carbon Quantum Dots and Graphene Oxide. ANAL SCI 2021; 37:833-838. [PMID: 33041308 DOI: 10.2116/analsci.20p306] [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] [Indexed: 11/23/2022]
Abstract
A fluorometric aptasensor based on Escherichia coli O157:H7 (E. coli O157:H7) aptamer labeled aminated carbon quantum dots (NH2-CQDs) and graphene oxide (GO) for the determination of E. coli O157:H7 was developed. In this research, carboxyl group (-COOH) terminated E. coli O157:H7 aptamer was steadily labeled to NH2-CQDs by amidation reaction, and played the role of energy donor and was responsible for chemical recognition. Correspondingly, GO served as an energy acceptor. The introduction of NH2-CQDs not only made the aptamer bond stably through covalent bond, but also significantly enhanced the fluorescence intensity compared with general CQDs. The NH2-CQDs-aptamer is adsorbed on the surface of GO through π-π stacking and hydrophobic interaction. The fluorescence of NH2-CQDs-aptamer was quenched via fluorescence resonance energy transfer (FRET) between NH2-CQDs and GO. After adding E. coli O157:H7, the specific binding affinity between NH2-CQDs-aptamer and E. coli O157:H7 lead to desorption of NH2-CQDs-aptamer from GO, and recovery of the fluorescence intensity of NH2-CQDs-aptamer. Under the optimal conditions, the increased fluorescence intensity showed a good linear relationship to concentrations of E. coli O157:H7 in the range 102 - 107 cells/mL, with a detection limit of 89 cells/mL. Furthermore, the developed method was successfully applied to the determination of E. coli O157:H7 in commercial milk samples.
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Affiliation(s)
- Tao Pan
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
| | - Xueling Shan
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
| | - Ding Jiang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
| | - Lu Qi
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
| | - Wenchang Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
| | - Zhidong Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
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Wang Z, Li S, Zhou C, Sun Y, Pang H, Liu W, Li X. Ratiometric fluorescent nanoprobe based on CdTe/SiO 2/folic acid/silver nanoparticles core-shell-satellite assembly for determination of 6-mercaptopurine. Mikrochim Acta 2020; 187:665. [PMID: 33205310 DOI: 10.1007/s00604-020-04628-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/28/2020] [Indexed: 11/24/2022]
Abstract
A sensitive and robust fluorescent assay of 6-MP is described which relies on the facile assembly of a fluorescence nanoprobe by design of silica nanosphere encapsulated CdTe quantum dots (CdTe QDs) as scaffold, coupling with chemically tethered folic acid (FA)-protected silver nanoparticles (AgNPs) that function as responsive element. In this way a stable ternary core-shell-satellite nanostructure with dual-emission signals can be established. On binding to the target molecules, 6-MP, FA molecules initially occupied by AgNPs are liberated to give dose-dependent fluorescence emission, which can further form a self-calibration ratiometric fluorescence assay using CdTe QDs as an internal reference. The nanoprobe color vividly changes from red to blue, enabling the direct visual detection. The linear concentration range is 0.15~50 μM with the detection limit of 67 nM. By virtue of the favorable selectivity and robust assays, the nanoprobe was applied to 6-MP detection in urine samples, with recoveries from 97.3 to 106% and relative standard deviations (RSD) less than 5%. Graphical abstract.
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Affiliation(s)
- Zhao Wang
- Pharmaceutical Analysis Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Shuting Li
- Pharmaceutical Analysis Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Chunyan Zhou
- Inorganic Chemistry Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Yingying Sun
- Pharmaceutical Analysis Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Hui Pang
- School of Preclinical Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530031, People's Republic of China
| | - Wei Liu
- Biopharmaceutics and Pharmacokinetics Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China.
| | - Xinchun Li
- Pharmaceutical Analysis Division, School of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China.
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To KC, Ben-Jaber S, Parkin IP. Recent Developments in the Field of Explosive Trace Detection. ACS NANO 2020; 14:10804-10833. [PMID: 32790331 DOI: 10.1021/acsnano.0c01579] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Explosive trace detection (ETD) technologies play a vital role in maintaining national security. ETD remains an active research area with many analytical techniques in operational use. This review details the latest advances in animal olfactory, ion mobility spectrometry (IMS), and Raman and colorimetric detection methods. Developments in optical, biological, electrochemical, mass, and thermal sensors are also covered in addition to the use of nanomaterials technology. Commercially available systems are presented as examples of current detection capabilities and as benchmarks for improvement. Attention is also drawn to recent collaborative projects involving government, academia, and industry to highlight the emergence of multimodal screening approaches and applications. The objective of the review is to provide a comprehensive overview of ETD by highlighting challenges in ETD and providing an understanding of the principles, advantages, and limitations of each technology and relating this to current systems.
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Affiliation(s)
- Ka Chuen To
- Department of Chemistry, University College London, 20 Gordon Street, Bloomsbury, London WC1H 0AJ, United Kingdom
| | - Sultan Ben-Jaber
- Department of Science and Forensics, King Fahad Security College, Riyadh 13232, Saudi Arabia
| | - Ivan P Parkin
- Department of Chemistry, University College London, 20 Gordon Street, Bloomsbury, London WC1H 0AJ, United Kingdom
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Yang S, Fan W, Cheng H, Gong Z, Wang D, Fan M, Huang B. From children's toy to versatile sensor: One-step doping of Play-Doh with primary amino group for explosive detection both on surfaces and in solution. Anal Chim Acta 2020; 1128:193-202. [PMID: 32825903 DOI: 10.1016/j.aca.2020.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 06/10/2020] [Accepted: 07/01/2020] [Indexed: 02/08/2023]
Abstract
2,4,6-trinitrotoluene (TNT) sensing on surfaces and in solution is an important issue in sensor fabrication for homeland security and environmental protection. Herein, Play-Doh, a modeling material popular for kids, was proposed as a versatile sensor for on-site fluorescent (FL), visual FL (VFL), and colorimetric detection of TNT both on surfaces and in solution after being doped with -NH2 through a one-step approach. Play-Doh exhibits FL emission due to the main ingredient of flour. After -NH2 doping, amino-Play-Doh (APD) was utilized to construct a FL sensor based on FL resonance energy transfer and inner filter effect for TNT detection. The advantage of APD was that no additional fluorophore was needed compared with the traditional sensors for FL and VFL analysis. The orange complex visible to the naked eye was also recorded for smartphone-based colorimetric detection of TNT. In both cases, the APD demonstrated good analytical performance for TNT. Finally, APD was successfully utilized for TNT sensing on fingerprints, luggage, and in environmental water samples, respectively. Play-Doh might be a potential sensor for future on-site detection of TNT owing to the merits of being cost-effective and versatile.
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Affiliation(s)
- Shiwei Yang
- School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Wanli Fan
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Huan Cheng
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Zhengjun Gong
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Dongmei Wang
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Meikun Fan
- School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China; Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China.
| | - Bing Huang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621999, China.
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Klapec DJ, Czarnopys G, Pannuto J. Interpol review of detection and characterization of explosives and explosives residues 2016-2019. Forensic Sci Int Synerg 2020; 2:670-700. [PMID: 33385149 PMCID: PMC7770463 DOI: 10.1016/j.fsisyn.2020.01.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 02/06/2023]
Abstract
This review paper covers the forensic-relevant literature for the analysis and detection of explosives and explosives residues from 2016-2019 as a part of the 19th Interpol International Forensic Science Managers Symposium. The review papers are also available at the Interpol website at: https://www.interpol.int/Resources/Documents#Publications.
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Affiliation(s)
- Douglas J. Klapec
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
| | - Greg Czarnopys
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
| | - Julie Pannuto
- United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory, 6000 Ammendale Road, Ammendale, MD, 20705, USA
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10
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Zhang H, Xiao Y, Zhang X, Wang S. Modulating an in situ fluorogenic reaction for the label-free ratiometric detection of biothiols. Analyst 2019; 144:4520-4525. [DOI: 10.1039/c9an00941h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A label-free ratiometric method for biothiol detection is developed based on the modulation of fluorogenic reaction and the inner filter effect.
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Affiliation(s)
- Haiqing Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Yan Xiao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Xiuhua Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Shengfu Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
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Mistek E, Fikiet MA, Khandasammy SR, Lednev IK. Toward Locard's Exchange Principle: Recent Developments in Forensic Trace Evidence Analysis. Anal Chem 2018; 91:637-654. [PMID: 30404441 DOI: 10.1021/acs.analchem.8b04704] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ewelina Mistek
- Department of Chemistry , University at Albany, SUNY , 1400 Washington Avenue , Albany , New York 12222 , United States
| | - Marisia A Fikiet
- Department of Chemistry , University at Albany, SUNY , 1400 Washington Avenue , Albany , New York 12222 , United States
| | - Shelby R Khandasammy
- Department of Chemistry , University at Albany, SUNY , 1400 Washington Avenue , Albany , New York 12222 , United States
| | - Igor K Lednev
- Department of Chemistry , University at Albany, SUNY , 1400 Washington Avenue , Albany , New York 12222 , United States
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de Araujo WR, Cardoso TM, da Rocha RG, Santana MH, Muñoz RA, Richter EM, Paixão TR, Coltro WK. Portable analytical platforms for forensic chemistry: A review. Anal Chim Acta 2018; 1034:1-21. [DOI: 10.1016/j.aca.2018.06.014] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 05/18/2018] [Accepted: 06/07/2018] [Indexed: 01/28/2023]
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Zhu H, Zhang H, Xia Y. Planar Is Better: Monodisperse Three-Layered MoS 2 Quantum Dots as Fluorescent Reporters for 2,4,6-Trinitrotoluene Sensing in Environmental Water and Luggage Cases. Anal Chem 2018; 90:3942-3949. [PMID: 29429339 DOI: 10.1021/acs.analchem.7b04893] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this study, we present a simple but effective fluorescent system for highly sensitive and versatile sensing of 2,4,6-trinitrotoluene (TNT) using few layered planar MoS2 quantum dots (QDs) as reporters. Excitation-independent emitting MoS2 QDs were first fabricated by using the proposed ultrasonic-hydrothermal-based top-down method assisted by carbon-free hydroxylamine hydrochloride. The obtained pristine MoS2 QDs were then modified with cysteine for introducing amino groups as TNT binding sites. The as-prepared MoS2 QDs possess a planar structure, which can more adequately interact with flat aromatic TNT molecules due to π-π attraction and decreased steric effects, compared with traditional spherical/quasi-spherical QDs. As a result, they exhibit extremely high sensitivity for TNT sensing (1 nM and 2 ng for solution and substrate assay, respectively). The common ions containing in environmental water samples do not interfere with the sensing. Furthermore, the QDs-decorated test paper shows an instantaneous (within 1 min) response to trace amounts of deposited TNT, and the fluorescence quenching can even be well-visualized by the naked eye. Because of favorable analytical performances, the proposed MoS2 QDs-based TNT sensing system has potential applications in both environmental water monitoring and security screening.
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Affiliation(s)
- Hui Zhu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science , Anhui Normal University , Wuhu 241000 , China
| | - Hui Zhang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science , Anhui Normal University , Wuhu 241000 , China
| | - Yunsheng Xia
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science , Anhui Normal University , Wuhu 241000 , China
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