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Zhou X, Wang X, Zhang TY, Shen L, Yang XJ, Zhang QL, Xu H, Redshaw C, Feng X. Pyrene-Based Cationic Fluorophores with High Affinity for BF 4-, PF 6-, and ClO 4- Anions: Detection and Removal. J Org Chem 2023; 88:13520-13527. [PMID: 37677077 DOI: 10.1021/acs.joc.3c01056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Anions play an indispensable role in the balance and regulation of the ecological environment and human health; however, excess anions can cause serious ecological and environment problems. Therefore, the detection and removal of excess anions in aqueous solution is not only a technological problem but also crucial for environmental protection. Herein, a set of water-soluble pyrene-based cationic fluorophores were synthesized, which exhibit high sensitivity for the detection of the anions BF4-, PF6-, and ClO4- via electrostatic interactions. Such fluorescent probes exhibit "turn-on" emission characteristics even at low concentrations of anions due to anion-π+ interactions. Moreover, these fluorescence probes act as efficient precipitating agents for the removal of the BF4-, PF6-, and ClO4- anions from an aqueous environment. This work opens up new avenues for future research on pyrene-based fluorophores as turn-on fluorescence probes for anion detection and as excellent precipitating agents in environmental settings.
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Affiliation(s)
- Xu Zhou
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Xiaohui Wang
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Tian-Yu Zhang
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Lingyi Shen
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Xian-Jiong Yang
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Qi-Long Zhang
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Hong Xu
- School of Biology and Engineering, Guizhou Medical University, Guiyang 550025, PR China
- School of Basic Medicine, Guizhou Medical University, Guiyang 550025, PR China
| | - Carl Redshaw
- Chemistry, School of Natural Sciences, University of Hull, Cottingham Road, Hull, Yorkshire HU6 7RX, U.K
| | - Xing Feng
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, PR China
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Dos Santos VW, Martins G, Gogola JL, Kalinke C, Agustini D, Bergamini MF, Marcolino-Junior LH. Simultaneous detection of dopamine and ascorbic acid by using a thread-based microfluidic device and multiple pulse amperometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4862-4869. [PMID: 37702326 DOI: 10.1039/d3ay00693j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
This study presents a novel approach for the simultaneous detection of ascorbic acid (AA) and dopamine (DA) using an affordable and user-friendly microfluidic device. Microfluidic devices, when combined with electrochemical detectors like screen-printed electrodes (SPEs), offer numerous advantages such as portability, high sample throughput, and low reagent consumption. In this study, a 3D-printed microfluidic device called a μTED was developed, utilizing textile threads as microfluidic channels and an unmodified SPE as the amperometric detector. The method employed multiple pulse amperometry (MPA) with carefully selected potential values (+0.65 V and -0.10 V). The reduction current signals generated by dopamine o-quinone were used to calculate a correction factor for the oxidation signals of ascorbic acid, enabling simultaneous quantification. The developed microfluidic device ensured a stable flow rate of the carrier solution at 1.19 μL s-1, minimizing the consumption of samples and reagents (injection volume of 2.0 μL). Under the optimized experimental conditions, a linear range from 50 to 900 μmol L-1 was achieved for both DA and AA. The obtained sensitivities were 2.24 μA L mmol-1 for AA and 5.09 μA L mmol-1 for DA, with corresponding limits of detection (LOD) of 2.60 μmol L-1 and 1.54 μmol L-1, respectively. To confirm the effectiveness of the proposed method, it was successfully applied to analyze AA and DA in a commercial blood serum sample spiked at three different concentration levels, with a medium recovery rate of 70%. Furthermore, the MPA technique demonstrated its simplicity by enabling the simultaneous determination of AA and DA without the need for prior separation steps or the use of chemically modified electrodes.
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Affiliation(s)
- Vanessa W Dos Santos
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
| | - Gustavo Martins
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
| | - Jeferson L Gogola
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
| | - Cristiane Kalinke
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
- Institute of Chemistry, University of Campinas (UNICAMP), CEP 13083-859, Campinas, SP, Brazil
| | - Deonir Agustini
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
| | - Márcio F Bergamini
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
| | - Luiz H Marcolino-Junior
- Laboratory of Electrochemical Sensors (LabSensE), Chemistry Department, Federal University of Paraná (UFPR), CEP 81.531-980, Curitiba, PR, Brazil.
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Das R, Nag S, Banerjee P. Electrochemical Nanosensors for Sensitization of Sweat Metabolites: From Concept Mapping to Personalized Health Monitoring. Molecules 2023; 28:1259. [PMID: 36770925 PMCID: PMC9920341 DOI: 10.3390/molecules28031259] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/31/2023] Open
Abstract
Sweat contains a broad range of important biomarkers, which may be beneficial for acquiring non-invasive biochemical information on human health status. Therefore, highly selective and sensitive electrochemical nanosensors for the non-invasive detection of sweat metabolites have turned into a flourishing contender in the frontier of disease diagnosis. A large surface area, excellent electrocatalytic behavior and conductive properties make nanomaterials promising sensor materials for target-specific detection. Carbon-based nanomaterials (e.g., CNT, carbon quantum dots, and graphene), noble metals (e.g., Au and Pt), and metal oxide nanomaterials (e.g., ZnO, MnO2, and NiO) are widely used for modifying the working electrodes of electrochemical sensors, which may then be further functionalized with requisite enzymes for targeted detection. In the present review, recent developments (2018-2022) of electrochemical nanosensors by both enzymatic as well as non-enzymatic sensors for the effectual detection of sweat metabolites (e.g., glucose, ascorbic acid, lactate, urea/uric acid, ethanol and drug metabolites) have been comprehensively reviewed. Along with this, electrochemical sensing principles, including potentiometry, amperometry, CV, DPV, SWV and EIS have been briefly presented in the present review for a conceptual understanding of the sensing mechanisms. The detection thresholds (in the range of mM-nM), sensitivities, linear dynamic ranges and sensing modalities have also been properly addressed for a systematic understanding of the judicious design of more effective sensors. One step ahead, in the present review, current trends of flexible wearable electrochemical sensors in the form of eyeglasses, tattoos, gloves, patches, headbands, wrist bands, etc., have also been briefly summarized, which are beneficial for on-body in situ measurement of the targeted sweat metabolites. On-body monitoring of sweat metabolites via wireless data transmission has also been addressed. Finally, the gaps in the ongoing research endeavors, unmet challenges, outlooks and future prospects have also been discussed for the development of advanced non-invasive self-health-care-monitoring devices in the near future.
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Affiliation(s)
- Riyanka Das
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Somrita Nag
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Priyabrata Banerjee
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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Ndebele N, Mgidlana S, nyokong T. Electrochemical Detection of Nitrite Using an Asymmetrically Substituted Cobalt Phthalocyanine Conjugated to Metal Tungstate Nanoparticles. ELECTROANAL 2022. [DOI: 10.1002/elan.202100396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Zhang L, Zhao Q, Jiang Z, Shen J, Wu W, Liu X, Fan Q, Huang W. Recent Progress of SERS Nanoprobe for pH Detecting and Its Application in Biological Imaging. BIOSENSORS 2021; 11:282. [PMID: 34436084 PMCID: PMC8392648 DOI: 10.3390/bios11080282] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/05/2021] [Accepted: 08/15/2021] [Indexed: 02/07/2023]
Abstract
As pH value almost affects the function of cells and organisms in all aspects, in biology, biochemical and many other research fields, it is necessary to apply simple, intuitive, sensitive, stable detection of pH and base characteristics inside and outside the cell. Therefore, many research groups have explored the design and application of pH probes based on surface enhanced Raman scattering (SERS). In this review article, we discussed the basic theoretical background of explaining the working mechanism of pH SERS sensors, and also briefly described the significance of cell pH measurement, and simply classified and summarized the factors that affected the performance of pH SERS probes. Some applications of pH probes based on surface enhanced Raman scattering in intracellular and extracellular pH imaging and the combination of other analytical detection techniques are described. Finally, the development prospect of this field is presented.
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Affiliation(s)
- Lei Zhang
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Qianqian Zhao
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Zhitao Jiang
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Jingjing Shen
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Weibing Wu
- Jiangsu Provincial Key Lab of Pulp & Paper Science & Technology, Nanjing Forestry University, 159 Longpan Road, Nanjing 210023, China;
| | - Xingfen Liu
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Quli Fan
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
| | - Wei Huang
- Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, China; (Q.Z.); (Z.J.); (J.S.); (X.L.); (Q.F.); (W.H.)
- Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi’an 710072, China
- Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi’an 710072, China
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