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Liu YT, Zhang QQ, Yao SY, Cui HW, Zou YL, Zhao LX. Dual-recognition "turn-off-on" fluorescent Biosensor triphenylamine-based continuous detection of copper ion and glyphosate applicated in environment and living system. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135216. [PMID: 39047560 DOI: 10.1016/j.jhazmat.2024.135216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/10/2024] [Accepted: 07/14/2024] [Indexed: 07/27/2024]
Abstract
Heavy metal Cu2+ emitted in industry and residues of glyphosate pesticides are pervasive in ecosystems, accumulated in water bodies and organisms' overtime, constituting hazard to human and ecological balance. The development of rapid, highly selective, reversibility and sensitive biosensor in vivo detection for Cu2+ and glyphosate was imminent. A novel dual-recognition fluorescence biosensor MPH was successfully synthesized based on triphenylamine, which demonstrated remarkable ratiometric fluorescence quenching toward Cu2+, while MPH-Cu2+ (1:1) ensemble exhibited ratiometric fluorescence restoration for glyphosate, both with observable color changes in daylight and UV lamp. The biosensor exhibited rapid, outstanding selectivity, anti-interference, and multiple cycles reversibility through "turn-off-on" fluorescence towards Cu2+ and glyphosate, respectively. Surprisingly, the clearly binding mechanisms of MPH to Cu2+ and MPH-Cu2+ ensemble to glyphosate were determined, respectively, based on the Job's plot, FT-IR, ESI-HRMS, 1H NMR titration and theoretical calculations of dynamics and thermodynamics. In addition, biosensor MPH demonstrated successful detection of Cu2+ and glyphosate across diverse environmental samples including tap water, extraction solutions of traditional Chinese medicine honeysuckle and soil samples. In the meantime, fluorescence imaging of Cu2+ and glyphosate at both micro and macro scales in various living organisms, such as rice roots, MCF-7 cells, zebrafish, and mice, were successfully achieved. Overall, this work was expected to become a promising and versatile fluorescence biosensor for rapid and reversible detection of Cu2+ and glyphosate both in vitro and vivo.
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Affiliation(s)
- Ya-Tong Liu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Qian-Qian Zhang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Si-Yi Yao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Han-Wen Cui
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue-Li Zou
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China.
| | - Li-Xia Zhao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, PR China.
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Esteves CIC, Raposo MMM, Costa SPG. New Amino Acid-Based Thiosemicarbazones and Hydrazones: Synthesis and Evaluation as Fluorimetric Chemosensors in Aqueous Mixtures. Molecules 2023; 28:7256. [PMID: 37959675 PMCID: PMC10650509 DOI: 10.3390/molecules28217256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/25/2023] [Accepted: 10/20/2023] [Indexed: 11/15/2023] Open
Abstract
Bearing in mind the interest in the development and application of amino acids/peptides as bioinspired systems for sensing, a series of new phenylalanine derivatives bearing thiosemicarbazone and hydrazone units at the side chain were synthesised and evaluated as fluorimetric chemosensors for ions. Thiosemicarbazone and hydrazone moieties were chosen because they are considered both proton-donor and proton-acceptor, which is an interesting feature in the design of chemosensors. The obtained compounds were tested for the recognition of organic and inorganic anions (such as AcO-, F-, Cl-, Br-, I-, ClO4-, CN-, NO3-, BzO-, OH-, H2PO4- and HSO4-) and of alkaline, alkaline-earth, and transition metal cations, (such as Na+, K+, Cs+, Ag+, Cu+, Cu2+, Ca2+, Cd2+, Co2+, Pb2+, Pd2+, Ni2+, Hg2+, Zn2+, Fe2+, Fe3+ and Cr3+) in acetonitrile and its aqueous mixtures in varying ratios via spectrofluorimetric titrations. The results indicate that there is a strong interaction via the donor N, O and S atoms at the side chain of the various phenylalanines, with higher sensitivity for Cu2+, Fe3+ and F- in a 1:2 ligand-ion stoichiometry. The photophysical and metal ion-sensing properties of these phenylalanines suggest that they might be suitable for incorporation into peptide chemosensory frameworks.
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Affiliation(s)
| | | | - Susana P. G. Costa
- Centre of Chemistry, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.I.C.E.); (M.M.M.R.)
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Hong LN, Cao HT, Feng YX, Guo LZ, Liu MQ, Zhang K, Mai X, Li N. Aggregation-caused dual-signal response of gold nanoclusters for ratiometric optical detection of cysteine. ANAL SCI 2023; 39:1719-1726. [PMID: 37405629 DOI: 10.1007/s44211-023-00385-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/07/2023] [Indexed: 07/06/2023]
Abstract
Designing ratiometric sensors for cysteine (Cys) monitoring with high accuracy is of great significance for disease diagnosis and biomedical studies. The current ratiometric methods mainly rely on multiplex probes, which not only complicates the operation but also increases the cost, making it difficult for quantitative Cys detection in resource-limited areas. Herein, one-pot prepared gold nanoclusters (Au NCs) that glow red fluorescent were synthesized by employing glutathione as the stabilizer and reducing agent. When Fe3+ is present with Au NCs, the fluorescence is quenched and the scattering is strong because of the aggregation of Au NCs. With introduction of Cys, Cys can efficiently compete with glutathione-modified Au NCs for Fe3+, which leads to increase of fluorescence and decrease of scattering. The ratiometric determination of Cys can be thereby realized by collecting the fluorescence and SRS spectrum simultaneously. The linear range for Cys was 5-30 µM with a detection limit of 1.5 µM. In addition, the sensing system exhibits good selectivity for Cys and shows potential application in biological samples.
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Affiliation(s)
- Li-Na Hong
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China
| | - Hui-Ting Cao
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China
| | - Yi-Xuan Feng
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China
| | - Li-Zhen Guo
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China
| | - Meng-Qian Liu
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China
| | - Kun Zhang
- Jiangxi Academy of Emergency Management Science, NanChang, 330030, People's Republic of China
| | - Xi Mai
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China.
| | - Na Li
- School of Pharmaceutical Science, Nanchang University, Nanchang, 330006, People's Republic of China.
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Li F, Hu C, Su W, Liang H, Xiao F, Liu J, Tan Y, Yang S. A self-cascade system based on Ag nanoparticle/single-walled carbon nanotube nanocomposites as an enzyme mimic for ultrasensitive detection of L-cysteine. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37366585 DOI: 10.1039/d3ay00445g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
L-Cysteine, widely used in medicine and the food industry, is of great essentiality to organisms and the food quality. Given that current detection approaches require exacting lab conditions and tedious sample treatment, there is a pressing demand for developing a method that possesses advantages of user friendliness, prominent performance, and cost-effectiveness. Herein, a self-cascade system was developed for the fluorescence detection of L-cysteine based on the ingenious performance of Ag nanoparticle/single-walled carbon nanotube nanocomposites (AgNP/SWCNTs) and DNA-templated Ag nanoclusters (DNA-AgNCs). The fluorescence of DNA-AgNCs could be quenched on account of the adsorption of DNA-AgNCs on AgNP/SWCNTs by π-π stacking. With the cooperation of Fe2+, AgNP/SWCNTs with oxidase and peroxidase-like activities could catalyze the oxidation of L-cysteine to produce cystine and hydrogen peroxide (H2O2) and then break the O-O bond of H2O2 to generate a hydroxyl radical (·OH), which could cleave the DNA strand into different sequence fragments which subsequently peeled off from the AgNP/SWCNTs, resulting in a "turn-on" fluorescence response. In this paper, AgNP/SWCNTs with multi-enzyme activities was synthesized enabling the reaction to proceed in just one step. The successful preliminary applications for the L-cysteine detection in pharmaceutical, juice beverage, and serum samples indicated that the developed method exhibited great potential in medical diagnosis, food monitoring, and the biochemical field, which also broadened the horizon for follow-up research.
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Affiliation(s)
- Feifei Li
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Congcong Hu
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Wenen Su
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Hao Liang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Fubing Xiao
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Jinquan Liu
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Yan Tan
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Shengyuan Yang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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Li YJ, Yang LL, Ni L, Xiong JM, He JY, Zhou LD, Luo L, Zhang QH, Yuan CS. Constructing electrochemical sensor using molecular-imprinted polysaccharide for rapid identification and determination of l-tryptophan in diet. Food Chem 2023; 425:136486. [PMID: 37267785 DOI: 10.1016/j.foodchem.2023.136486] [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: 12/25/2022] [Revised: 04/27/2023] [Accepted: 05/27/2023] [Indexed: 06/04/2023]
Abstract
An imbalance of l-tryptophan (l-Trp), a basic component of a healthy diet, is harmful to human health. Traditional methods for detecting l-Trp have many limitations. To correct a deficiency or excess of l-Trp in human diets, it is necessary to develop a novel method that is rapid, low-cost, and high-sensitivity. Herein, a molecularly imprinted polysaccharide electrochemical sensor termed MIP/CS/MWCNTs/GCE (molecularly imprinted polymer/chitosan/multiwalled carbon nanotubes/glassy carbon electrode) targeting l-Trp was first constructed on a glassy carbon electrode, which was modified with multiwalled carbon nanotubes and chitosan using bifunctional monomers. The MIP/CS/MWCNTs/GCE obtained a wide linear range (1-300 μM) for detecting l-Trp and accurately detected the proportion of l-Trp in mixtures of Trp enantiomers. In milk samples, the spiked recoveries of l-Trp were 86.50 to 99.65%. The MIP/CS/MWCNTs/GCE electrochemical sensor possessed good recognition and detection performance for l-Trp and has promising potential for practical application.
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Affiliation(s)
- Yan-Jun Li
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Li-Li Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Li Ni
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Jia-Min Xiong
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Jia-Yuan He
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Lian-Di Zhou
- Basic Medical College, Chongqing Medical University, Chongqing 400016, China.
| | - Ling Luo
- Chongqing Cancer Institute, Chongqing University Cancer Hospital, Hanyu Road 181, Chongqing 400030, China.
| | - Qi-Hui Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL 60637, USA.
| | - Chun-Su Yuan
- Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL 60637, USA
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Li J, Du N, Guan R, Zhao S. Construction of a Chiral Fluorescent Probe for Tryptophan Enantiomers/Ascorbic Acid Identification. ACS APPLIED MATERIALS & INTERFACES 2023; 15:23642-23652. [PMID: 37134180 DOI: 10.1021/acsami.3c02423] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Chiral recognition of amino acid enantiomers is critical in enhancing drug efficacy, detecting disease markers, and understanding physiological processes. Enantioselective fluorescent identification has gained attention among researchers due to its nontoxicity, easy synthesis, and biocompatibility. In this work, chiral fluorescent carbon dots (CCDs) were produced through a hydrothermal reaction followed by chiral modification. The fluorescent probe, Fe3+-CCDs (F-CCDs), was constructed by complexing Fe3+ with CCDs to differentiate between the enantiomers of tryptophan (Trp) and determine ascorbic acid (AA) through an "on-off-on" response. It is worth noting that l-Trp can greatly enhance the fluorescence of F-CCDs with a blue shift, whereas d-Trp does not have any effect on the fluorescence of F-CCDs. F-CCDs showed a low limit of detection (LOD) for l-Trp and l-AA, with an LOD of 3.98 and 6.28 μM, respectively. The chiral recognition mechanism of tryptophan enantiomers using F-CCDs was proposed based on the interaction force between the enantiomers and F-CCDs, as confirmed by UV-vis absorption spectroscopy and density functional theory calculations. The determination of l-AA by F-CCDs was also confirmed through the binding of l-AA to Fe3+ to release CCDs, as seen in UV-vis absorption spectra and time-resolved fluorescence decays. In addition, AND and OR gates were constructed based on the different responses of CCDs to Fe3+ and Fe3+-CCDs to l-Trp/d-Trp, demonstrating the significance of molecular-level logic gates in drug detection and clinical diagnosis.
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Affiliation(s)
- Jinqiu Li
- School of Materials Science & Engineering, University of Jinan, Jinan, Shandong 250022, China
| | - Ning Du
- School of Materials Science & Engineering, University of Jinan, Jinan, Shandong 250022, China
| | - Ruifang Guan
- School of Materials Science & Engineering, University of Jinan, Jinan, Shandong 250022, China
| | - Songfang Zhao
- School of Materials Science & Engineering, University of Jinan, Jinan, Shandong 250022, China
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Hou X, Song Y, Lv Y, Wang P, Chen K, Li G, Guo L. Preparation of temperature-responsive nanomicelles with AIE property as fluorescence probe for detection of Fe 3+ and Fe 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 290:122254. [PMID: 36577245 DOI: 10.1016/j.saa.2022.122254] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Temperature-responsive nanomicelles with aggregation induced emission (AIE) property were prepared by the host-guest complexation of ferrocene functionalized tetraphenyl (TPE-Fc) and β-cyclodextrin-poly (N-isopropylacrylamide) (β-CD-(PNIPAM)7). The AIE chromophore TPE-Fc bound to the hydrophobic cavity of cyclodextrin serves as the core of micelles, and temperature sensitive PNIPAM serves as the shell to give the micelles good solubility. The size of the nanomicelles is about 100 nm. At the excitation wavelength of 340 nm, the strongest fluorescent emission peak was 421 nm. The introduction of cyclodextrin star polymer increased the fluorescence intensity of nanomicelles, thus improving the recognition of probe to Fe3+ and Fe2+. The fluorescent probe can quickly detect Fe3+ and Fe2+ in water within 5 min even in the presence of various interfering ions. The detection limits of Fe3+ and Fe2+ were 1.04 μM and 0.78 μM, respectively in the range of 10-90 μM. The formation of complex between the probe and Fe3+/Fe2+ was supported by Job's plot. The probe was successfully applied to the detection of Fe3+and Fe2+ in actual water sample with a good recovery. In addition, a possible sensing mechanism for the interaction of iron ions with amide bond groups of nanomicelles was proposed.
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Affiliation(s)
- Xinhui Hou
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Yifan Song
- Chu Kochen Honors College, Zhejiang University, Hangzhou 310058, China
| | - Yupeng Lv
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Peiyao Wang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Kun Chen
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Guiying Li
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China.
| | - Lei Guo
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China.
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