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Zhang Y, Gao L, Ma S, Hu T. Cd (II) coordination polymer as a strip based fluorescence sensor for sensing Fe 3+ ions in aqueous system. Spectrochim Acta A Mol Biomol Spectrosc 2022; 267:120525. [PMID: 34752993 DOI: 10.1016/j.saa.2021.120525] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/26/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
The design and construction of a sensor that can sensitively and conveniently recognize metal ions are essential for the treatment of industrial wastewater. In this work, {[Cd4(HL)2(pyp)2(H2O)2]·2H2O·1.5Diox}n (1) was synthesized under solvothermal condition and presented a 2D 3,5-connected layered network with the point symbol of {3.4.5} {32.4.5.62.74}, which was coated on the surface of polyvinylidene fluoride (PVDF) to construct a novel paper sensor (1@PVDF). Meanwhile, the stability of 1@PVDF was characterized by powder X-ray diffraction (PXRD) and thermogravimetric analysis (TGA). In addition, fluorescence sensing experiments of 1@PVDF sensor for cations in aqueous system indicated that it has high sensitivity for sensing Fe3+ ions with the detection limit (DL) of 4.0 × 10-8 M. By the characterization of PXRD, UV-vis spectra, ICP, XPS, time-resolved excited-state decay measurements, the sensing mechanisms of 1@PVDF for Fe3+ ions were attributed to the competitive absorption and interaction between 1 and Fe3+. And the sensing process of 1@PVDF for Fe3+ ions was static in the Fe3+ concentration of 0 to 0.05 mM. In addition, the binding energies of Fe3+ and Zn2+ with the framework of 1 were calculated by density functional theory (DFT), which further proved that there was an obvious interaction between Fe3+ and the uncoordinated O atom in 1. Based on the thin film technology, a portable and convenient paper-based probe has been developed for practical applications.
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Affiliation(s)
- Yujuan Zhang
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, PR China
| | - Lingling Gao
- College of Chemistry and Chemical Engineering, Jinzhong University, Taiyuan 030606, PR China
| | - Sai Ma
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, PR China
| | - Tuoping Hu
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, PR China.
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2
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Meng X, Lei B, Qi N, Wang B. The selective detection of Fe 3+ ions using citrate-capped gold nanoparticles. Anal Biochem 2022; 637:114453. [PMID: 34785195 DOI: 10.1016/j.ab.2021.114453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/29/2021] [Accepted: 11/07/2021] [Indexed: 11/29/2022]
Abstract
Citrate is a ubiquitous biological molecule that functions as Fe3+ chelators in some bacteria and the blood plasma of humans. Inspired by the strong affinity between citrate and Fe3+, a colorimetric Fe3+ probe based on citrate-capped AuNPs without any additional modification was designed. Citrate-capped AuNPs with a diameter of 22 nm were applied to detect Fe3+ without other reagents' assistance. This easily-prepared and low-cost colorimetric sensor exhibited good selectivity towards Fe3+ among common metal ions, a good linear relationship in the range of 0.1-0.8 μM of Fe3+ and quick response time of 10 min.
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Affiliation(s)
- Xinhua Meng
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China
| | - Bijing Lei
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China
| | - Na Qi
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China.
| | - Bochu Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China.
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Du J, Yang Y, Shao T, Qi S, Zhang P, Zhuo S, Zhu C. Yellow emission carbon dots for highly selective and sensitive OFF-ON sensing of ferric and pyrophosphate ions in living cells. J Colloid Interface Sci 2020; 587:376-384. [PMID: 33360907 DOI: 10.1016/j.jcis.2020.11.108] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 11/08/2020] [Accepted: 11/26/2020] [Indexed: 12/14/2022]
Abstract
A simple "OFF-ON" fluorescent system was proposed for selective and sensitive detection of ferric ion (Fe3+) and pyrophosphate (PPi) in living cells. The method was constructed based on the bright yellow emission of carbon dots (y-CDs), which were prepared using o-phenylenediamine (OPD) as the precursor via a facile hydrothermal treatment. The as-obtained y-CDs, with an average size of 2.6 nm, exhibited an excitation-independent emission peak at 574 nm. The fluorescence of y-CDs can be remarkably quenched by Fe3+ with high selectivity and sensitivity. Interestingly, the quenched fluorescence can be recovered regularly upon addition of PPi, showing a promising detection for PPi. The linear ranges for Fe3+ and PPi detections were 0.05-80 and 0.5-120 μM, respectively, and the corresponding limit of detections (LODs) were 22.1 and 73.9 nM. As we proved the y-CDs have negligible cytotoxicity and excellent biocompatibility, further application to the fluorescence imaging of intracellular Fe3+ and PPi were conducted, suggesting the prepared y-CDs can be used to monitor Fe3+ and PPi variation in living cells. Overall, our developed y-CDs-based OFF-ON switch fluorescent probe has the advantages of simplicity, agility, high sensitivity and selectivity, which provides a promising platform for environmental and biology applications, and paves a new avenue for monitoring the hydrolysis process of adenosine triphosphate disodium salt (ATP) by detection of PPi in organisms.
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Affiliation(s)
- Jinyan Du
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China.
| | - Ying Yang
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
| | - Taili Shao
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, School of Pharmacy, Wannan Medical College, Wuhu 241000, PR China.
| | - Shuangqing Qi
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
| | - Ping Zhang
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
| | - Shujuan Zhuo
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
| | - Changqing Zhu
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
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Pu ZF, Wen QL, Yang YJ, Cui XM, Ling J, Liu P, Cao QE. Fluorescent carbon quantum dots synthesized using phenylalanine and citric acid for selective detection of Fe 3+ ions. Spectrochim Acta A Mol Biomol Spectrosc 2020; 229:117944. [PMID: 31855815 DOI: 10.1016/j.saa.2019.117944] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/23/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
A facile, economical and one-step hydrothermal method was used to synthesize fluorescent carbon dots by utilizing citric acid as carbon source and phenylalanine to provide nitrogen. The as-prepared fluorescence carbon dots had strong blue light emission around 440 nm. As confirmed by UVvis absorption, X-ray photoelectron spectroscopic, Fourier transform infrared spectroscopy and transmission electron microscope characterization, the carbon dots were small and very stable in water for using as a fluorescent probe. It was also found that the fluorescence of the carbon dots could be quenched in the presence of Fe3+ ions, and the quenching rate was linear with the concentration of Fe3+ ions. We here proposed a static quenching mechanism about the fluorescence of the Phe-CDs could be selectively quenched by Fe3+ ions, which was because these Fe3+ ions could easily combine with the hydroxyl or carboxyl groups on the surface of Phe-CDs and induced aggregation. In addition, the pH had little effect on the fluorescence intensity of the Phe-CDs and maintained excellent fluorescence intensity even under extreme pH value conditions and could be used for the detection of Fe3+ ions. We have demonstrated that the method using the carbon dots for Fe3+ ions detection was rapid, reliable, and selective with a detection limit as low as 0.720 μM and a dynamic range from 5.0 to 500.0 μM. Moreover, the results of determination Fe3+ ions in tap water samples indicated that the presented method has potential for practical application in environmental metal analysis.
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Affiliation(s)
- Zheng-Fen Pu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Qiu-Lin Wen
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Yan-Ju Yang
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Xiao-Miao Cui
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Jian Ling
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
| | - Peng Liu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Qiu-E Cao
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
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Wang J, Jiang H, Liu HB, Liang L, Tao J. Pyrene-imidazole conjugate as a fluorescent sensor for the sequential detection of iron(III) and histidine in aqueous solution. Spectrochim Acta A Mol Biomol Spectrosc 2020; 228:117725. [PMID: 31718975 DOI: 10.1016/j.saa.2019.117725] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/09/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
We developed PIM, a pyrene-based fluorescence sensor bearing an imidazole moiety and a carbonyl group as the binding sites for Fe3+ ions. The pyrene-based control compounds 1 and 2 were synthesized to demonstrate the structure-activity relationships. Compound 1, which contained a thiazoline moiety and a carbonyl group, displayed high selectivity for Cu2+ ions. This property indicated that heterocycles play an important role in the metal ion selectivity modulation. Compound 2, which lacked a carbonyl group, did not display metal ion selectivity. This characteristic demonstrated that introducing an additional recognition unit (cooperative recognition strategy) should be an effective way to improve metal ion selectivity. Furthermore, the PIM-Fe3+ ensemble can serve as a fluorescent sensor for histidine (His) detection via the removal of Fe3+ from the ensemble by His and the release of PIM. The sequential detection of Fe3+ and His exhibited on-off-on phenomenon, and the Fe3+ and His detection limits were 0.11 and 3.06 μM, respectively. These results will help in the further enhancement or modulation of metal ion selectivity in the development of fluorescent sensor systems. Moreover, the organic-metal ensemble provides an effective platform for detecting amino acids through the displacement strategy.
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Affiliation(s)
- Jing Wang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China.
| | - Huihui Jiang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Hai-Bo Liu
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Lebao Liang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Junrong Tao
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
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Pang S, Liu S. Dual-emission carbon dots for ratiometric detection of Fe 3+ ions and acid phosphatase. Anal Chim Acta 2020; 1105:155-161. [PMID: 32138914 DOI: 10.1016/j.aca.2020.01.033] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/28/2019] [Accepted: 01/14/2020] [Indexed: 12/12/2022]
Abstract
We have developed a simple and convenient route to prepare fluorescent carbon dots with dual emission peaks respectively at 470 and 570 nm. The prepared dual-emission carbon dots can be used for ratiometric detection of Fe3+ ions in the range from 0 to 50 μmol·L-1 with 0.8 μmol·L-1 detection limit based on the fluorescence quenching at 570 nm. The quenched fluorescence induced by Fe3+ ions could be recovered by pyrophosphate. We further used the carbon dots-Fe3+ ions-pyrophosphate mixed system for ratiometric detection of acid phosphatase in the range from 0.08 to 6.75 μg·mL-1 with 0.01 μg·mL-1 detection limit.
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Affiliation(s)
- Shu Pang
- College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, 113001, China.
| | - Siyu Liu
- College of Life and Health Sciences, Northeastern University, Shenyang, 110000, China.
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Sahoo NK, Jana GC, Aktara MN, Das S, Nayim S, Patra A, Bhattacharjee P, Bhadra K, Hossain M. Carbon dots derived from lychee waste: Application for Fe 3+ ions sensing in real water and multicolor cell imaging of skin melanoma cells. Mater Sci Eng C Mater Biol Appl 2019; 108:110429. [PMID: 31923934 DOI: 10.1016/j.msec.2019.110429] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 12/26/2022]
Abstract
Exploit of biomass as an inexhaustible resource has accepted much more curiosity to the present research world. Herein, a simple, one-step solvothermal action has been used to synthesize an ascendable amount of fluorescent carbon dots (CDs) with an average size of~3.13 nm, from Low-reasonable and green source lychee waste. The excitation/emission maxima of CDs have 365/443 nm with high quantum yield (23.5%). The present ingredient predominantly contained carboxylic acid and hydroxyl group that acted as a passive agent for stabilizing the CDs. The structural and optical properties were evaluated through HRTEM, FTIR, UV-vis, zeta potential, XPS, fluorescence, and fluorescence lifetime experiments. We investigated the manoeuvre of our synthesized CDs as a probe for detection of Fe3+ ions in water bodies; This sensing approach showed impressive selectivity and sensitivity towards Fe3+ions with LOD 23.6 nM. The sensing mechanism took place through static quenching which was entrenched through fluorescence lifetime measurements. Fe3+ ions detection was basically carried out with efficacy in real water. For its lofty Photo-stability, low cytotoxicity and cell viability the probe were substantially applied for bio-imaging experiment i.e. intracellular multi-color cell imaging in skin melanoma cells (A375 cells) with and without Fe3+ ions exemplifying its real applications in living cells.
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Affiliation(s)
- Nandan Kumar Sahoo
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | - Gopal Chandra Jana
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | - Mt Nasima Aktara
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | - Somnath Das
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | - Sk Nayim
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | - Anirudha Patra
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India
| | | | - Kakali Bhadra
- Department of Zoology, University of Kalyani, Kalyani, 741235, West Bengal, India
| | - Maidul Hossain
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721 102, West Bengal, India.
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Cheng HY, Li DC, Cheng BH, Jiang H. Highly stable and selective measurement of Fe 3+ ions under environmentally relevant conditions via an excitation-based multiwavelength method using N, S-doped carbon dots. Environ Res 2019; 170:443-451. [PMID: 30639888 DOI: 10.1016/j.envres.2018.12.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/27/2018] [Accepted: 12/11/2018] [Indexed: 06/09/2023]
Abstract
Fast and accurate detection of Fe3+ under relevant natural conditions is important in environmental monitoring. In this study, an improved and simplified fluorescence method based on the multiwavelength luminescence in the visible region and the avoidance of the self-quenching property of N, S-doped carbon dots (NSC-Dots) was developed for the first time to determine Fe3+ concentration under varied environmental conditions. This method can simultaneously save time and provide accurate information. The as-prepared NSC-Dots exhibit two stable excitation peaks from 200 nm to 450 nm at a fixed emission wavelength (λem = 450 nm). A standard equation (R2 = 0.995) can be derived by measuring the quenching degree of the two peaks and referring to Stern-Volmer theory. Thus, Fe3+ concentration was accurately determined. The interference of the environmentally relevant concentrations of other metal ions, humic acid, and pH on Fe3+ measurement was tested. Results showed that the standard equation can be used to accurately determine Fe3+ concentration within the range of the 95% prediction band. The fast and facile multiwavelength method may facilitate the real-time monitoring of Fe3+ concentration in complex water environments.
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Affiliation(s)
- Hui-Yuan Cheng
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - De-Chang Li
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Bin-Hai Cheng
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Hong Jiang
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China.
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