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Zhu J, Wang D, Yu H, Yin H, Wang L, Shen G, Geng X, Yang L, Fei Y, Deng Y. Advances in colorimetric aptasensors for heavy metal ion detection utilizing nanomaterials: a comprehensive review. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:6320-6343. [PMID: 37965993 DOI: 10.1039/d3ay01815f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Heavy metal ion contamination poses significant environmental and health risks, necessitating rapid and efficient detection methods. In the last decade, colorimetric aptasensors have emerged as powerful tools for heavy metal ion detection, owing to their notable attributes such as high specificity, facile synthesis, adaptability to modifications, long-term stability, and heightened sensitivity. This comprehensive overview summarizes the key developments in this field over the past ten years. It discusses the principles, design strategies, and innovative techniques employed in colorimetric aptasensors using nanomaterials. Recent advancements in enhancing sensitivity, selectivity, and on-site applicability are highlighted. The review also presents application studies of successful heavy metal ion detection using colorimetric aptasensors, underlining their potential for environmental monitoring and health protection. Finally, future directions and challenges in the continued evolution of these aptasensors are outlined.
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Affiliation(s)
- Jiangxiong Zhu
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Danfeng Wang
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
| | - Hong Yu
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Hao Yin
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Lumei Wang
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Guoqing Shen
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Xueqing Geng
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
| | - Linnan Yang
- School of Big Data, Yunnan Agricultural University, Kunming 650201, China
| | - Yongcheng Fei
- Eryuan County Inspection and Testing Institute, Yunnan 671299, China
| | - Yun Deng
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
- Yunnan Dali Research Institute of Shanghai Jiao Tong University, Yunnan 671000, China
- Eryuan County Inspection and Testing Institute, Yunnan 671299, China
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Chatterjee S, Lou XY, Liang F, Yang YW. Surface-functionalized gold and silver nanoparticles for colorimetric and fluorescent sensing of metal ions and biomolecules. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214461] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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3
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Caglayan MO. Mercuric ion detection by plasmon-enhanced spectrophotometric ellipsometer using specific oligonucleotide probes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 241:118682. [PMID: 32650242 DOI: 10.1016/j.saa.2020.118682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 06/18/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
Pollution due to heavy metal ions, including mercury, has become a major issue because of their toxicities. It is required to monitor mercury levels in aqueous media using fast and selective methods with high accuracy. Ellipsometry is a promising technique for instance when it's combined with the plasmon resonance phenomena. We reported a biosensor system available for qualitative/quantitative determination of mercuric ions in aqueous media where both the spectrophotometric ellipsometry and oligonucleotide recognition elements were used. A single step assay using both a linear (ProbeL) and a hair-pin (ProbeH) type oligonucleotide probe as a recognition element, in addition to a sandwich-type (ProbeLS) assay were developed and compared. The detection limits were 0.23 nM, 0.03 nM and 0.15 pM for ProbeL, ProbeH and ProbeLS, respectively. The detection range was between 0.05 nM and 100 nM Hg2+ for all assays proposed herein.
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Affiliation(s)
- Mustafa Oguzhan Caglayan
- Bilecik Seyh Edebali University, Faculty of Engineering, Bioengineering Department, Bilecik, Turkiye.
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A review on nanostructure-based mercury (II) detection and monitoring focusing on aptamer and oligonucleotide biosensors. Talanta 2020; 220:121437. [PMID: 32928439 DOI: 10.1016/j.talanta.2020.121437] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/11/2020] [Accepted: 07/19/2020] [Indexed: 02/08/2023]
Abstract
Heavy metal ion pollution is a severe problem in environmental protection and especially in human health due to their bioaccumulation in organisms. Mercury (II) (Hg2+), even at low concentrations, can lead to DNA damage and give permanent harm to the central nervous system by easily passing through biological membranes. Therefore, sensitive detection and monitoring of Hg2+ is of particular interest with significant specificity. In this review, aptamer-based strategies in combination with nanostructures as well as several other strategies to solve addressed problems in sensor development for Hg2+ are discussed in detail. In particular, the analytical performance of different aptamer and oligonucleotide-based strategies using different signal improvement approaches based on nanoparticles were compared within each strategy and in between. Although quite a number of the suggested methodologies analyzed in this review fulfills the standard requirements, further development is still needed on real sample analysis and analytical performance parameters.
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An ellipsometric biosensor using aptamer for the detection of mercuric ions. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01282-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Huang YQ, Fu S, Wang YS, Xue JH, Xiao XL, Chen SH, Zhou B. Protamine-gold nanoclusters as peroxidase mimics and the selective enhancement of their activity by mercury ions for highly sensitive colorimetric assay of Hg(II). Anal Bioanal Chem 2018; 410:7385-7394. [PMID: 30215122 DOI: 10.1007/s00216-018-1344-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/01/2018] [Accepted: 08/28/2018] [Indexed: 12/01/2022]
Abstract
We certify that protamine-gold nanoclusters (PRT-AuNCs) synthesized by one-pot method exhibit peroxidase-like activity. The catalytic activity of PRT-AuNCs followed typical Michaelis-Menten kinetics and exhibited higher affinity to 3,3',5,5'-tetramethylbenzidine (TMB) as the substrate compared to that of natural horseradish peroxidase. Meanwhile, we found that Hg(II) could dramatically and selectively enhance the peroxidase-like activity of PRT-AuNCs, and the enhanced mechanism by Hg(II) was demonstrated to be generation of the cationic Au species and the partly oxidized Au species (Auδ+) by Hg2+-Au0/Au+ interaction. Based on this finding, quantitative determinations of Hg(II) via visual observation and absorption spectra were achieved. The proposed strategy displays high selectivity that arises from the strong aurophilic interaction of mercury towards gold. Moreover, the developed method is highly sensitive with a wide linear range and low detection limit of 1.16 nM. This strategy is not only helpful to develop effective nanomaterials-based artificial enzyme mimics but also irradiative to discover new applications of artificial mimic enzymes in bio-detection, medical diagnostics, and biotechnology. Graphical abstract Protamine-gold nanoclusters (PRT-AuNCs) synthesized by one-pot method exhibit peroxidase-like activity. Hg(II) can stimulate the peroxidase-like activity of PRT-AuNCs selectively, enhancing their ability to catalyze the chromogenic reaction of TMB by H2O2.
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Affiliation(s)
- Yan-Qin Huang
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China
| | - Sha Fu
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China
| | - Yong-Sheng Wang
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China.
| | - Jin-Hua Xue
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China
| | - Xi-Lin Xiao
- College of Chemistry and Chemical Engineering, University of South China, Hengyang, 421001, Hunan, China
| | - Si-Han Chen
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China
| | - Bin Zhou
- College of Public Health, University of South China, West Changsheng Road 28#, Hengyang, 421001, Hunan, China
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Aulsebrook ML, Watkins E, Grace MR, Graham B, Tuck KL. Modified Gold Nanoparticles for the Temperature-Dependent Colorimetric Detection of Mercury and Methylmercury. ChemistrySelect 2018. [DOI: 10.1002/slct.201702572] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
| | - Ethan Watkins
- School of Chemistry; Monash University, Clayton; Victoria 3800 Australia
| | - Michael R. Grace
- School of Chemistry; Monash University, Clayton; Victoria 3800 Australia
| | - Bim Graham
- Monash Institute of Pharmaceutical Sciences; Monash University, Parkville; Victoria 3052 Australia
| | - Kellie L. Tuck
- School of Chemistry; Monash University, Clayton; Victoria 3800 Australia
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Cheng R, Liu S, Shi H, Zhao G. A highly sensitive and selective aptamer-based colorimetric sensor for the rapid detection of PCB 77. JOURNAL OF HAZARDOUS MATERIALS 2018; 341:373-380. [PMID: 28806557 DOI: 10.1016/j.jhazmat.2017.07.057] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 07/11/2017] [Accepted: 07/22/2017] [Indexed: 05/29/2023]
Abstract
A highly sensitive, specific and simple colorimetric sensor based on aptamer was established for the detection of polychlorinated biphenyls (PCB 77). The use of unmodified gold nanoparticles as a colorimetric probe for aptamer sensors enabled the highly sensitive and selective detection of polychlorinated biphenyls (PCB 77). A linear range of 0.5nM to 900nM was obtained for the colorimetric assay with a minimum detection limit of 0.05nM. In addition, by the methods of circular dichroism, UV and naked eyes, we found that the 35 base fragments retained after cutting 5 bases from the 5 'end of aptamer plays the most significant role in the PCB 77 specific recognition process. We found a novel way to truncated nucleotides to optimize the detection of PCB 77, and the selected nucleotides also could achieve high affinity with PCB 77. At the same time, the efficient detection of the PCB 77 by our colorimetric sensor in the complex environmental water samples was realized, which shows a good application prospect.
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Affiliation(s)
- Ruojie Cheng
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - Siyao Liu
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - Huijie Shi
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - Guohua Zhao
- School of Chemical Science and Engineering, Shanghai Key Lab of Chemical Assessment Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China.
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Farzin L, Shamsipur M, Sheibani S. A review: Aptamer-based analytical strategies using the nanomaterials for environmental and human monitoring of toxic heavy metals. Talanta 2017; 174:619-627. [PMID: 28738631 DOI: 10.1016/j.talanta.2017.06.066] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 06/23/2017] [Accepted: 06/24/2017] [Indexed: 12/21/2022]
Abstract
Recent developments in biotechnology offer the new methods for the sensitive detection of heavy metals based on the affinity and specificity of aptamers, as nucleic acid ligands selected from random sequence pools in vitro. Heavy metals have received considerable importance as the most toxic metallic pollutants which may cause serious environmental damages. They are classified as trace elements because of their presence in trace concentrations in various environmental matrices. Thus, the precise and sensitive methods to detect heavy metals are important to ensure human and environment safety. Aptamers as the biological probes, show high binding affinity which can often be directly translated into high detection sensitivity. On the other hand, high selectivity and stability make them possible to detect a wide range of targets, especially metallic ions. This review provides current progress of aptamers for environmental and biological monitoring of heavy metals using the nanomaterials mainly in two groups: (i) aptamer based biosensors (aptasensors) and (ii) aptamer based biosorbents (aptasorbents). The introduction of nanomaterials can efficiently increase the immobilization quantity of aptamers. Furthermore, they play an important role in the orientation and assembly density controlling of aptamers for the optimized recognition ability.
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Affiliation(s)
- Leila Farzin
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran.
| | - Mojtaba Shamsipur
- Department of Chemistry, Razi University, P.O. Box 67149-67346, Kermanshah, Iran
| | - Shahab Sheibani
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran
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SUN X, YANG S, GUO M, MA S, ZHENG M, HE J. Reversible Fluorescence Probe Based on N-Doped Carbon Dots for the Determination of Mercury Ion and Glutathione in Waters and Living Cells. ANAL SCI 2017; 33:761-767. [DOI: 10.2116/analsci.33.761] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Xiaohan SUN
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
| | - Shenghong YANG
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
| | - Mingzhen GUO
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
| | - Shuang MA
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
| | - Mingda ZHENG
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
| | - Jiang HE
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University
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Chu-mong K, Thammakhet C, Thavarungkul P, Kanatharana P, Buranachai C. A FRET based aptasensor coupled with non-enzymatic signal amplification for mercury (II) ion detection. Talanta 2016; 155:305-13. [DOI: 10.1016/j.talanta.2016.05.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 04/30/2016] [Accepted: 05/02/2016] [Indexed: 12/30/2022]
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12
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Poornima V, Alexandar V, Iswariya S, Perumal PT, Uma TS. Gold nanoparticle-based nanosystems for the colorimetric detection of Hg2+ ion contamination in the environment. RSC Adv 2016. [DOI: 10.1039/c6ra04433f] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review highlights the impact of Hg2+ contamination on the human population and the need for its detection.
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Affiliation(s)
- Velswamy Poornima
- Bioproducts Lab
- CSIR-Central Leather Research Institute (CLRI)
- Chennai 600 020
- India
| | - Vincent Alexandar
- Faculty of Allied Health Sciences (FAHS)
- Chettinad Academy of Research and Education (CARE)
- Kanchipuram 603 103
- India
| | - S. Iswariya
- Bioproducts Lab
- CSIR-Central Leather Research Institute (CLRI)
- Chennai 600 020
- India
| | - Paramasivan T. Perumal
- Organic Chemistry Division
- CSIR-Central Leather Research Institute (CLRI)
- Chennai 600 020
- India
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Chen SH, Wang YS, Chen YS, Tang X, Cao JX, Li MH, Wang XF, Zhu YF, Huang YQ. Dual-channel detection of metallothioneins and mercury based on a mercury-mediated aptamer beacon using thymidine-mercury-thymidine complex as a quencher. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 151:315-321. [PMID: 26143324 DOI: 10.1016/j.saa.2015.06.106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Revised: 06/26/2015] [Accepted: 06/28/2015] [Indexed: 06/04/2023]
Abstract
A novel dual-channel strategy for the detection of metallothioneins (MTs) and Hg(2+) has been developed based on a mercury-mediated aptamer beacon (MAB) using thymidine-mercury-thymidine complex as a quencher for the first time. In the presence of Hg(2+), the T-rich oligonucleotide with a 6-carboxyfluorescein (TRO-FAM) can form an aptamer beacon via the formation of T-Hg(2+)-T base pairs, which results in a fluorescence quenching of the sensing system owing to the fluorescence resonance energy transfer (FRET) from the fluorophore of FAM to the terminated T-Hg(2+)-T base pair. The addition of MTs into this solution leads to the disruption of the T-Hg(2+)-T complex, resulting in an increase of the fluorescent signal of the system. In the optimizing condition, ΔF was directly proportional to the concentrations ranging from 5.63 nM to 0.275 μM for MTs, and 14.2 nM to 0.30 μM for Hg(2+) with the detection limits of 1.69 nM and 4.28 nM, respectively. The proposed dual-channel method avoids the label steps of a quencher in common molecular beacon strategies, without tedious procedure or the requirement of sophisticated equipment, and is rapid, inexpensive and sensitive.
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Affiliation(s)
- Si-Han Chen
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Yong-Sheng Wang
- College of Public Health, University of South China, Hengyang 421001, PR China.
| | - Yun-Sheng Chen
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Xian Tang
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Jin-Xiu Cao
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Ming-Hui Li
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Xiao-Feng Wang
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Yu-Feng Zhu
- College of Public Health, University of South China, Hengyang 421001, PR China
| | - Yan-Qin Huang
- College of Public Health, University of South China, Hengyang 421001, PR China
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Jarujamrus P, Amatatongchai M, Thima A, Khongrangdee T, Mongkontong C. Selective colorimetric sensors based on the monitoring of an unmodified silver nanoparticles (AgNPs) reduction for a simple and rapid determination of mercury. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 142:86-93. [PMID: 25699697 DOI: 10.1016/j.saa.2015.01.084] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 12/17/2014] [Accepted: 01/29/2015] [Indexed: 06/04/2023]
Abstract
In this work, selective colorimetric sensors for simple and rapid detection of Hg(II) ions based on the monitoring of an unmodified silver nanoparticles (AgNPs) reduction were developed. The average diameter of synthesized AgNPs was 8.3±1.4nm which was characterized by transmission electron microscopy (TEM). The abrupt change in absorbance of the unmodified AgNPs was observed which progressively decreased and slightly shifted to the blue wavelength as the concentration of Hg(II) increased, indicating the oxidation of Ag(0) to Ag(I) occurred. It appears that the AgNPs were oxidized by Hg(II), resulting in disintegration of the AgNPs into smaller particles as well as mediating the reduction of Hg(II) to Hg(0) adsorbed onto the surface of AgNPs. The adsorption of Hg(0) resulted in the lack of sufficient charges on AgNPs surfaces due to the decrease in the surface coverage of negatively charged citrate molecules, which then leaded to enlargement of AgNPs. The calibration curve of this technique was demonstrated from 0.5 to 7ppm (r(2)=0.995), the limit of detection (LOD) was 0.06ppm (SDblank/slope of calibration curve) with the precision (RSD, n=4) of 3.24-4.53. Interestingly, the results show a significant enhance in the Hg(II) analytical sensitivity when Cu(II) is doped onto the unmodified AgNPs, which improves the quantitative detection limit to 0.008ppm. In addition, greater selectivity toward Hg(II) compared with the other metal ions tested was observed. Furthermore, the percentage recoveries of spiked drinking water, tap water and SRM1641d (mercury in water) were in acceptable range with a good precision (RSD) which were in agreement with the values obtained from graphite furnace atomic absorption spectrometer (GFAAS). The technique proposed in this study provides a rapid, simple, sensitive and selective detection method for Hg(II) in water samples.
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Affiliation(s)
- Purim Jarujamrus
- Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, Ubon Ratchathani 34190, Thailand.
| | - Maliwan Amatatongchai
- Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, Ubon Ratchathani 34190, Thailand
| | - Araya Thima
- Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, Ubon Ratchathani 34190, Thailand
| | - Thatsanee Khongrangdee
- Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, Ubon Ratchathani 34190, Thailand
| | - Chakrit Mongkontong
- Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, Ubon Ratchathani 34190, Thailand
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A novel strategy for dual-channel detection of metallothioneins and mercury based on the conformational switching of functional chimera aptamer. J Pharm Biomed Anal 2015; 107:258-64. [DOI: 10.1016/j.jpba.2015.01.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 12/20/2014] [Accepted: 01/06/2015] [Indexed: 02/02/2023]
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16
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LIU Y, LIAO M, HE X, LIU X, KOU X, XIAO D. One-step Synthesis of Highly Luminescent Nitrogen-doped Carbon Dots for Selective and Sensitive Detection of Mercury(II) Ions and Cellular Imaging. ANAL SCI 2015; 31:971-7. [DOI: 10.2116/analsci.31.971] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Ying LIU
- College of Chemistry, Sichuan University
| | - Mei LIAO
- College of Chemistry, Sichuan University
| | - Xueling HE
- Experimental Animal Center, Sichuan University
| | - Xia LIU
- College of Life Science, Sichuan University
| | | | - Dan XIAO
- College of Chemical Engineering, Sichuan University
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Simple and rapid colorimetric detection of Hg(II) by a paper-based device using silver nanoplates. Talanta 2012; 97:388-94. [PMID: 22841097 DOI: 10.1016/j.talanta.2012.04.050] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 04/19/2012] [Accepted: 04/24/2012] [Indexed: 11/24/2022]
Abstract
This work combines lab-on-paper methodology with nanoparticle science to develop a new tool for the simple and rapid determination of Hg(II). The resulting paper-based device enables measurement of Hg(II) from only 2 μL of sample solution. The color of the nanosilver in the test area immediately changes in the presence of Hg(II), and this change can be monitored by the naked eye. This method exhibits superior selectivity towards Hg(II) compared with the other metal ions tested. Furthermore, the results show a significant increase in the Hg(II) analytical signal when Cu(II) is added to the Ag Nanoplates at the test zone. With digital camera imaging and software processing, which are shown to further improve the quantitative capability of this technique, the linear detection range is 5-75 ppm Hg(II) with a limit of detection of 0.12 ppm. Using a pre-concentration scheme (based on repeated 2 μL applications of the test Hg(II) solution onto the same test zone) reduces the limit of detection to 2 ppb. The technique developed by this study provides a rapid, sensitive and selective detection method for aqueous Hg(II) samples and is especially suitable for remote field and environmental analysis.
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Saha K, Agasti SS, Kim C, Li X, Rotello VM. Gold nanoparticles in chemical and biological sensing. Chem Rev 2012; 112:2739-79. [PMID: 22295941 PMCID: PMC4102386 DOI: 10.1021/cr2001178] [Citation(s) in RCA: 2742] [Impact Index Per Article: 228.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Krishnendu Saha
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Sarit S. Agasti
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Chaekyu Kim
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Xiaoning Li
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
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