1
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Preconcentration and speciation analysis of mercury: 3D printed metal scavenger-based solid-phase extraction followed by analysis with inductively coupled plasma mass spectrometry. Talanta 2021; 240:123163. [PMID: 34972065 DOI: 10.1016/j.talanta.2021.123163] [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: 10/08/2021] [Revised: 12/18/2021] [Accepted: 12/20/2021] [Indexed: 11/20/2022]
Abstract
A selective method for preconcentration and determination of methylmercury (MeHg) and inorganic mercury (iHg) in natural water samples at the ng L-1 level has been developed. The method involves adsorption of Hg species into a 3D printed metal scavenger and sequential elution with acidic thiourea solutions before ICP-MS determination. Experimental parameters affecting the preconcentration of MeHg and iHg such as the sample matrix, effect of the flow rate on adsorption, eluent composition, and elution mode have been studied in detail. The obtained method detection limits, considering the preconcentration factors of 42 and 93, were found to be 0.05 ng L-1 and 0.08 ng L-1 for MeHg and iHg, respectively. The accuracy of the method was assessed with a certified groundwater reference material ERM-CA615 (certified total iHg concentration 37 ± 4 ng L-1). The determined MeHg concentration was below MDL while iHg concentration was determined to be 41.2 ± 0.5 ng L-1. Both MeHg and iHg were also spiked to natural water samples at 5 ng L-1 concentration and favorable spiking recoveries of 88-97% were obtained. The speciation procedure was successfully applied to two lake water samples where MeHg and iHg concentrations ranged from 0.18 to 0.24 ng L-1 and 0.50-0.62 ng L-1, respectively. The results obtained demonstrate that the developed 3D printed metal scavenger-based method for preconcentration and speciation of Hg is simple and sensitive for the determination of Hg species at an ultra-trace level in water samples.
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2
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Enhanced oxidase-like activity of Ag@Ag2WO4 nanorods for colorimetric detection of Hg2+. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125203] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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3
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Colorimetric determination of Hg 2+ based on the mercury-stimulated oxidase mimetic activity of Ag 3PO 4 microcubes. Mikrochim Acta 2020; 187:422. [PMID: 32617681 DOI: 10.1007/s00604-020-04399-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 06/17/2020] [Indexed: 02/02/2023]
Abstract
Four kinds of Ag3PO4 materials were prepared by controlling the experimental conditions, which were developed as oxidase mimics. Experimental results showed that different synthesis methods led to distinct crystal structures, morphologies, and surface properties, which contributed to diverse oxidase-like activities of Ag3PO4 materials. Among them, Ag3PO4 microcubes (APMCs) can efficiently catalyze the oxidation of colorless 3,3',5,5'-tetramethylbenzidine in the presence of dissolved oxygen to form a blue-colored oxide, presenting the best intrinsic oxidase mimetic ability. The higher-energy [110] facets with more oxygen vacancies exposed and more active sites coupled with more negative charge and larger specific surface area of APMCs contributed to its enhanced oxidase mimetic performance. Besides, mercury ions were proved to remarkably and selectively stimulate the oxidase-like ability of APMCs owing to the formation of Ag-Hg amalgam on its surface. Based on the stimulating effect of Hg2+ towards APMCs, a simple and rapid method for colorimetric determination of Hg2+ was thus established via the significant signal amplification and megascopic color variation. Under the optimal conditions, the sensing system showed a good linear relationship ranging from 0.1 to 7.0 μM and a detection limit of 20 nM for Hg2+, exhibiting high selectivity and good colour stability. Moreover, the colorimetric method was successfully applied to determine Hg2+ in real water samples. Considering these advantages, the developed colorimetric sensing system is expected to hold bright prospects for trace determination of Hg2+ in biological, environmental, and food samples. Graphical abstract The preparation process of Ag3PO4 materials and Hg2+-stimulated enhanced oxidase-like ability of Ag3PO4 microcubes in catalyzing the oxidation of TMB to generate a typical blue color, which can be applied in rapid and ultrasensitive detection of Hg2+ visually.
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4
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Wu C, Gao G, Zhai K, Xu L, Zhang D. A visual Hg 2+ detection strategy based on distance as readout by G-quadruplex DNAzyme on microfluidic paper. Food Chem 2020; 331:127208. [PMID: 32554309 DOI: 10.1016/j.foodchem.2020.127208] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 05/27/2020] [Accepted: 05/31/2020] [Indexed: 12/26/2022]
Abstract
In this work, we have developed a simple, fast and visual Hg2+ detection strategy based on distance as readout on paper chip by the Hg2+-mediated formation of G-quadruplex-hemin DNAzymes. In the presence of Hg2+, the two oligonucleotides hybridize to form G-quadruplex DNA by T-Hg2+-T base pair, which was able to bind hemin to form the catalytically active G-quadruplex-hemin DNAzymes. Once DNAzymes were added to react with the precipitated 3,3,5,5-tetramethyl benzidine (TMB) immobilized on the sample area, a visible color band was produced, and the formed length was positively correlated with the concentration of Hg2+. This biosensor is capable of selectively detecting mercuric ions with good reproducibility and satisfactory dynamic range. The limit of detection was low to 0.23 nM. Therefore, this strategy not only provides a visual and quick screen of Hg2+, but also shows a promising future in monitoring analysis of other metal ions in POC diagnostic field.
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Affiliation(s)
- Chao Wu
- Suzhou Engineering and Technological Research Center of Natural Medicine and Functional Food, School of Biology and Food Engineering, Suzhou University, Suzhou 234000, China
| | - Guizhen Gao
- Suzhou Engineering and Technological Research Center of Natural Medicine and Functional Food, School of Biology and Food Engineering, Suzhou University, Suzhou 234000, China
| | - Kefeng Zhai
- Suzhou Engineering and Technological Research Center of Natural Medicine and Functional Food, School of Biology and Food Engineering, Suzhou University, Suzhou 234000, China
| | - Lisheng Xu
- Suzhou Engineering and Technological Research Center of Natural Medicine and Functional Food, School of Biology and Food Engineering, Suzhou University, Suzhou 234000, China
| | - Dagan Zhang
- Suzhou Engineering and Technological Research Center of Natural Medicine and Functional Food, School of Biology and Food Engineering, Suzhou University, Suzhou 234000, China; Guangdong Key Laboratory of Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, Shenzhen University, Shenzhen 518060, China.
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5
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Zhang Y, Li S, Liu H, Long W, Zhang XD. Enzyme-Like Properties of Gold Clusters for Biomedical Application. Front Chem 2020; 8:219. [PMID: 32309272 PMCID: PMC7145988 DOI: 10.3389/fchem.2020.00219] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/09/2020] [Indexed: 02/06/2023] Open
Abstract
In recent years, the rapid development of nanoscience and technology has provided a new opportunity for the development and preparation of new inorganic enzymes. Nanozyme is a new generation of artificial mimetic enzyme, which like natural enzymes, can efficiently catalyze the substrate of enzyme under mild conditions, exhibiting catalytic efficiency, and enzymatic reaction kinetics similar to natural enzymes. However, nanozymes exist better stability than native enzymes, it can still maintain 85 % catalytic activity in strong acid and alkali (pH 2~10) or large temperature range (4~90°C). This provides conditions for designing complex catalytic systems. In this review, we discussed the enzymatic attributes and biomedical applications of gold nanoclusters, including peroxidase-like, catalase-like, detection of heavy metal ions, and therapy of brain and cancer etc. This review can help us understand the current research status nanozymes.
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Affiliation(s)
- Yunguang Zhang
- School of Science, Xi'an University of Posts and Telecommunications, Xi'an, China
| | - Shuo Li
- School of Science, Xi'an University of Posts and Telecommunications, Xi'an, China
| | - Haile Liu
- Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Sciences, Tianjin University, Tianjin, China
| | - Wei Long
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Xiao-Dong Zhang
- Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Sciences, Tianjin University, Tianjin, China
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6
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Balusamy B, Senthamizhan A, Uyar T. Functionalized Electrospun Nanofibers as Colorimetric Sensory Probe for Mercury Detection: A Review. SENSORS (BASEL, SWITZERLAND) 2019; 19:E4763. [PMID: 31684017 PMCID: PMC6864735 DOI: 10.3390/s19214763] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 10/20/2019] [Accepted: 10/30/2019] [Indexed: 01/09/2023]
Abstract
Mercury is considered the most hazardous pollutant of aquatic resources; it exerts numerous adverse effects on environmental and human health. To date, significant progress has been made in employing a variety of nanomaterials for the colorimetric detection of mercury ions. Electrospun nanofibers exhibit several beneficial features, including a large surface area, porous nature, and easy functionalization; thus, providing several opportunities to encapsulate a variety of functional materials for sensing applications with enhanced sensitivity and selectivity, and a fast response. In this review, several examples of electrospun nanofiber-based sensing platforms devised by utilizing the two foremost approaches, namely, direct incorporation and surface decoration envisioned for detection of mercury ions are provided. We believe these examples provide sufficient evidence for the potential use and progress of electrospun nanofibers toward colorimetric sensing of mercury ions. Furthermore, the summary of the review is focused on providing an insight into the future directions of designing electrospun nanofiber-based, metal ion colorimetric sensors for practical applications.
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Affiliation(s)
- Brabu Balusamy
- Fondazione Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy.
| | - Anitha Senthamizhan
- Fondazione Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy.
| | - Tamer Uyar
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA.
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7
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Lien CW, Yu PH, Chang HT, Hsu PH, Wu T, Lin YW, Huang CC, Lai JY. DNA engineered copper oxide-based nanocomposites with multiple enzyme-like activities for specific detection of mercury species in environmental and biological samples. Anal Chim Acta 2019; 1084:106-115. [DOI: 10.1016/j.aca.2019.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 08/02/2019] [Accepted: 08/04/2019] [Indexed: 10/26/2022]
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8
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Zhang Y, Zeng X, Jiang X, Chen H, Long Z. Ce-based UiO-66 metal-organic frameworks as a new redox catalyst for atomic spectrometric determination of Se(VI) and colorimetric sensing of Hg(II). Microchem J 2019. [DOI: 10.1016/j.microc.2019.103967] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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9
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Wu XJ, Kong F, Zhao CQ, Ding SN. Ratiometric fluorescent nanosensors for ultra-sensitive detection of mercury ions based on AuNCs/MOFs. Analyst 2019; 144:2523-2530. [DOI: 10.1039/c8an02414f] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Ratiometric fluorescent nanosensors were developed to detect mercury ions (Hg2+) using enhanced dual emissions from glutathione stabilized gold nanoclusters/indium-based metal–organic frameworks modified with cysteine (AuNCs/MIL-68(In)-NH2/Cys).
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Affiliation(s)
- Xi-Jin Wu
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Fan Kong
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Chun-Qin Zhao
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
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10
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Zhu C, Bian J, Li Y, Liu J, Liu X, Gao X, Li G, Liu Y. A novel and ultrasensitive yellow to taupe brown colorimetric sensing and removal method for Hg( ii) based on the thermosensitive poly( N-isopropyl acrylamide) stabilized silver nanoparticles. NEW J CHEM 2019. [DOI: 10.1039/c9nj03955d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
AgNP/PNIPAm was developed as a dual-functional colorimetric probe and removal system for Hg2+.
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Affiliation(s)
- Chenxue Zhu
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Jie Bian
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Yuxi Li
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Junshen Liu
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Xunyong Liu
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Xuezhen Gao
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Guiying Li
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
| | - Yi Liu
- School of Chemistry and Materials Science
- Ludong University
- 264025 Yantai
- People's Republic of China
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11
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Mukhopadhyay S, Mehta R, Paidi MK, Mandal SK, Bhattacharya A. Development of Hg2+ colorimetric sensor using polymeric membrane. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1547762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sarbartha Mukhopadhyay
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Romil Mehta
- Membrane Science and Separation Technology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Murali Krishna Paidi
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Subir Kumar Mandal
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - A. Bhattacharya
- Membrane Science and Separation Technology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
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12
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Climent E, Hecht M, Witthuhn H, Gawlitza K, Rurack K. Mix-&-Read Determination of Mercury(II) at Trace Levels with Hybrid Mesoporous Silica Materials Incorporating Fluorescent Probes by a Simple Mix-&-Load Technique. ChemistryOpen 2018; 7:957-968. [PMID: 30534510 PMCID: PMC6280557 DOI: 10.1002/open.201800277] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Indexed: 11/11/2022] Open
Abstract
The synthesis, characterization, and application of mesoporous materials containing boron-dipyrromethene (BODIPY) moieties that allow the sensitive and selective detection of HgII in aqueous environments by fluorescence enhancement is reported. For this purpose, BODIPY dye I containing a thia-aza crown ether receptor as the fluorescent probe for the detection of HgII in aqueous environments is encapsulated into mesoporous materials to avoid self-quenching or aggregation in water. Determination of HgII is accomplished within a few seconds with high selectivity and sensitivity, reaching a limit of detection of 12 ppt. The determination of trace amounts of HgII in natural waters and in fish extracts is demonstrated by using our sensing material. The incorporation of the material into several μ-PAD strips yields a portable, cheap, quick, and easy-to-handle tool for trace HgII analysis in water.
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Affiliation(s)
- Estela Climent
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Mandy Hecht
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
- Current address: CodeCheck GmbHGneisenaustraße 11510961BerlinGermany
| | - Heike Witthuhn
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Kornelia Gawlitza
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Knut Rurack
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
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13
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Xu D, Yu S, Yin Y, Wang S, Lin Q, Yuan Z. Sensitive Colorimetric Hg 2+ Detection via Amalgamation-Mediated Shape Transition of Gold Nanostars. Front Chem 2018; 6:566. [PMID: 30538981 PMCID: PMC6277514 DOI: 10.3389/fchem.2018.00566] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 10/31/2018] [Indexed: 12/29/2022] Open
Abstract
Reliable and sensitive methods to monitor mercury levels in real samples are highly important for environment protection and human health. Herein, a label-free colorimetric sensor for Hg2+ quantitation using gold nanostar (GNS) has been demonstrated, based on the formation of Au-Hg amalgamate that leads to shape-evolution of the GNS and changes in its absorbance. Addition of ascorbic acid (AA) to GNS solution is important for quantitation of Hg2+, mainly because it can reduce Hg2+ to Hg to enhance amalgamation on the GNSs and stabilize GNSs. In addition to transmission electron microscopy images, the distribution of circular ratios of GNSs in the presence of 2 mM AA and various concentrations of Hg2+ are used to show the morphology changes of the GNSs. Upon increasing the concentration of Hg2+, the average circular ratio of GNSs decreases, proving GNS is approaching to sphere. The morphology change alters the longitudinal localized surface plasmonic resonance (LSPR) absorbance of the GNSs significantly. Under the optimum conditions, our sensor exhibits a dynamic response for Hg2+ in the range of 1–4,000 nM with a detection limit of 0.24 nM. Upon Increasing Hg2+ concentration, the solution color changes from greenish-blue, purple to red, which can be distinguished by the naked eye when the Hg2+ concentration is higher than 250 nM. Owing to having a high surface-to-volume ratio and affinity toward Hg0, the GNS is sensitive and selective (at least 50-fold over tested metal ions like Pb2+) toward Hg2+ in the presence of AA. Practicality of this assay has been validated by the analysis of water samples without conducting tedious sample pretreatment.
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Affiliation(s)
- Dong Xu
- National Engineering Laboratory for Rice and By-Products Further Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China.,Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Shufang Yu
- National Engineering Laboratory for Rice and By-Products Further Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China.,Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Yueqin Yin
- National Engineering Laboratory for Rice and By-Products Further Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China.,Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Suyan Wang
- National Engineering Laboratory for Rice and By-Products Further Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China.,Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Qinlu Lin
- National Engineering Laboratory for Rice and By-Products Further Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China.,Hunan Key Laboratory of Processed Food for Special Medical Purpose, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Zhiqin Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
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14
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Bag SS, De S. Pyrenylthioureayl Alanine as a Switch‐On Fluorescent Sensor for Hg(II) Ions. ChemistrySelect 2018. [DOI: 10.1002/slct.201802249] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Subhendu Sekhar Bag
- Department of Chemistry and Centre for the EnvironmentIndian Institute of Technology Guwahati North Guwhati-781039, Assam India
| | - Suranjan De
- Department of Chemistry and Centre for the EnvironmentIndian Institute of Technology Guwahati North Guwhati-781039, Assam India
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15
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P CAS, Shanmugapriya J, Singaravadivel S, Sivaraman G, Chellappa D. Anthracene-Based Highly Selective and Sensitive Fluorescent " Turn-on" Chemodosimeter for Hg 2. ACS OMEGA 2018; 3:12341-12348. [PMID: 30411003 PMCID: PMC6217515 DOI: 10.1021/acsomega.8b01142] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Accepted: 09/18/2018] [Indexed: 05/28/2023]
Abstract
Three π-extended anthracene-bearing thioacetals (1-3) have been synthesized, and their fluorescence "turn-on" responses to Hg2+ ions are studied. The chemodosimetric fluorescence-sensing behavior and their resulting hydrolysis via a desulfurization reaction mechanism leads to the formation of highly fluorescent respective aldehyde substitutions. Furthermore, this mechanism was supported by increase in the quantum yields of their resulting aldehydes and is correlated to their molecular substitution. The chemosensors 1-3 have exhibited to be promising receptors toward Hg2+ ions in the presence of other competitive metal ions. Moreover, the detection limits of 1-3 have been found to be in the nanomolar range (94, 59, and 235, respectively). Fluorescence microscopic imaging studies show that 1-2 have been found to be effective for fluorescence imaging in live cells. Moreover, compounds 1-3 act as potential candidates for the detection of Hg2+ in environmental and biological systems as well as real samples.
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Affiliation(s)
| | | | | | - Gandhi Sivaraman
- School
of Chemistry, Madurai Kamaraj University, Madurai 625021, India
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16
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Climent E, Hecht M, Witthuhn H, Gawlitza K, Rurack K. Mix-&-Read Determination of Mercury(II) at Trace Levels with Hybrid Mesoporous Silica Materials Incorporating Fluorescent Probes by a Simple Mix-&-Load Technique. ChemistryOpen 2018; 7:709-720. [PMID: 30214851 PMCID: PMC6129944 DOI: 10.1002/open.201800111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Indexed: 12/13/2022] Open
Abstract
The synthesis, characterization, and application of mesoporous materials containing boron-dipyrromethene (BODIPY) moieties that allow the sensitive and selective detection of HgII in aqueous environments by fluorescence enhancement is reported. For this purpose, BODIPY dye I containing a thia-aza crown ether receptor as the fluorescent probe for the detection of HgII in aqueous environments is encapsulated into mesoporous materials to avoid self-quenching or aggregation in water. Determination of HgII is accomplished within a few seconds with high selectivity and sensitivity, reaching a limit of detection of 12 ppt. The determination of trace amounts of HgII in natural waters and in fish extracts is demonstrated by using our sensing material. The incorporation of the material into several μ-PAD strips yields a portable, cheap, quick, and easy-to-handle tool for trace HgII analysis in water.
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Affiliation(s)
- Estela Climent
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Mandy Hecht
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
- Current address: CodeCheck GmbHGneisenaustraße 11510961BerlinGermany
| | - Heike Witthuhn
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Kornelia Gawlitza
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
| | - Knut Rurack
- Department of Analytical Chemistry; Reference MaterialsBundesanstalt für Materialforschung und -prüfung (BAM)Richard-Willstätter-Str. 1112489BerlinGermany
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17
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Aggregation induced photoacoustic detection of mercury (Ⅱ) ions using quaternary ammonium group-capped gold nanorods. Talanta 2018; 187:65-72. [DOI: 10.1016/j.talanta.2018.05.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/27/2018] [Accepted: 05/01/2018] [Indexed: 11/23/2022]
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18
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Zaib M, Athar MM. Voltammetric Detection of Hg(II) in Real Wastewater Using Red Alga Modified Carbon Paste Electrode: Mechanism Insight. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2018. [DOI: 10.1007/s13369-018-3225-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Li DE, Lin CH. Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection. RSC Adv 2018; 8:16139-16145. [PMID: 35542220 PMCID: PMC9080253 DOI: 10.1039/c8ra02468e] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 04/24/2018] [Indexed: 01/29/2023] Open
Abstract
This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection. Instead of using conventional chemical reaction methods, this chip uses helium plasma as the reducing agent to reduce gold ions and to synthesize AuNP, such that there is no residual reducing agent in the solution after removing the external electric field for plasma generation. The plasma discharge, gas–liquid separation, liquid collection and mercury ion detection can be achieved by this proposed microfluidic chip. The synthesized gold nanoparticles are further functionalized by 3-mercaptopropionic acid (3-MPA) for mercury ion detection. The 3-MPA-capped gold nanoparticles aggregate and result in a colour change of the solution due to the existence of Hg2+. The absorption spectra of the solution shifts from red to blue due to the cluster aggregation. The concentration of Hg2+ can be quantitatively determined by UV-Vis spectrometry, and the limit of detection was found to be 10−6 M (0.2 ppm). This developed integrated microfluidic device provides a simple and on-demand method for synthesis of AuNPs and Hg2+ detection in a single chip. This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection.![]()
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Affiliation(s)
- Dai-En Li
- Department of Mechanical and Electro-Mechanical Engineering
- National Sun Yat-sen University
- Taiwan
| | - Che-Hsin Lin
- Department of Mechanical and Electro-Mechanical Engineering
- National Sun Yat-sen University
- Taiwan
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Li H, Zhu W, Wan A, Liu L. The mechanism and application of the protein-stabilized gold nanocluster sensing system. Analyst 2017; 142:567-581. [DOI: 10.1039/c6an02112c] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review highlights sensing systems based on protein-Au NCs for the detection of various analytes and the corresponding sensing mechanisms.
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Affiliation(s)
- Huili Li
- Engineering Research Center of Cell and Therapeutic Antibody
- Ministry of Education
- School of Pharmacy
- Shanghai Jiaotong University
- Shanghai 200240
| | - Wenli Zhu
- Engineering Research Center of Cell and Therapeutic Antibody
- Ministry of Education
- School of Pharmacy
- Shanghai Jiaotong University
- Shanghai 200240
| | - Ajun Wan
- School of Medicine
- National Engineering Research Center of Protected Agriculture
- Tongji University
- Shanghai 200092
- China
| | - Lanbo Liu
- Key Laboratory of Pediatric Hematology & Oncology Ministry of Health
- the Institute of Pediatric Translational Medicine
- Shanghai Children's Medical Center
- School of Medicine
- Shanghai Jiaotong University
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Amde M, Yin Y, Zhang D, Liu J. Methods and recent advances in speciation analysis of mercury chemical species in environmental samples: a review. CHEMICAL SPECIATION & BIOAVAILABILITY 2016. [DOI: 10.1080/09542299.2016.1164019] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Meseret Amde
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yongguang Yin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Dan Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Jingfu Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
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