1
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Dhanshri S, Vardhan S, Sahoo SK. Copper(II) Driven Fluorescence switch-on Detection of Ovalbumin and GSH Using a Pyridoxal 5'-phosphate Derived Tetradentate Schiff Base and its Applications. J Fluoresc 2024:10.1007/s10895-024-03735-4. [PMID: 38662255 DOI: 10.1007/s10895-024-03735-4] [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: 02/03/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
The facile detection of glutathione (GSH) and ovalbumin (OVA) is of great importance in biological research. Herein, a tetradentate Schiff base N, N'-bis(pyridoxal-5-phosphate)-o-phenylenediamine (L) obtained by condensing two moles of pyridoxal 5'-phosphate (PLP) with one mole of 1,2-phenylenediamine was employed for the fluorescence switch-on detection of GSH and OVA. When excited at 389 nm, receptor L showed a weak emission at 454 nm in an aqueous medium. The addition of GSH to the solution of L caused a significant fluorescence enhancement at 454 nm. Amino acids (leucine, glycine, serine, tryptophan, homocysteine, alanine, methionine, arginine and proline) and albumins (bovine serum albumin and OVA) failed to alter the fluorescence profile of L. Receptor L can be applied to detect GSH down to 1.16 µM. However, the fluorescence emission of L was quenched upon the formation of the L-Cu2+ complex. The addition of GSH and OVA to the in-situ formed L-Cu2+ complex restored not only the fluorescence emission of L but also a noticeable fluorescence enhancement observed at 454 nm. The decomplexation of L-Cu2+, along with the interaction of L with GSH and OVA is expected to suppress the conformational flexibility of L that enhanced the fluorescent intensity at 454 nm. Using L-Cu2+ complex, the concentration of OVA and GSH can be detected down to 0.31 µM and 0.20 µM, respectively. Molecular docking and dynamics simulation were performed to analyze the binding mode, conformational flexibility and dynamic stability of the L-Cu2+-OVA complex. Finally, the analytical novelty of L-Cu2+ was examined by detecting GSH/OVA in real biological samples, such as human blood serum, urine, and egg white.
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Affiliation(s)
- Sonkeshriya Dhanshri
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Seshu Vardhan
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Suban K Sahoo
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, Gujarat, India.
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2
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Zhou X, Hu Y, Xu L, Li Y, Zhang L, Cao Y, Zhou J, Qian T. Emission enhanced fluorometric biosensor by functionalized carbon polymer dots for glutathione detection in human real samples and molecular logic gate operation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123227. [PMID: 37544217 DOI: 10.1016/j.saa.2023.123227] [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: 05/29/2023] [Revised: 07/24/2023] [Accepted: 08/01/2023] [Indexed: 08/08/2023]
Abstract
Glutathione (GSH), an active peptide, plays pivotal roles in many physiological processes and detection of GSH inside of human body is of great importance for the playing of its biological effects. Here silver-phosphorus co-doped carbonized polymer dots (Ag@PCPDs) were prepared via solvothermal treatment of citric acid and phytic acid in the presence of Ag+ for GSH determination. The physicochemical and optical performance of the Ag@PCPDs were characterized by X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared (FT-IR), X-ray powder diffraction (XRD), Raman spectroscopy, transmission electron microscopy (TEM), fluorescence spectroscopy and ultraviolet-visible (UV-Vis) spectroscopy analyses. The prepared Ag@PCPDs have outstanding water solubility with high monodispersity (7.81 ± 0.31 nm) and exhibited excellent optical properties with excitation-dependent emission, high photostability, pH, and ionic strength tolerance. An optimized excitation at 358 nm, the Ag@PCPDs showed strong photoluminescent (PL) emission at 456 nm with a PL quantum yield (QYs) of 15.6%. Furthermore, the Ag@PCPDs were used as a PL sensing platform for detection GSH in a linear range of 0-200 μM with a low limit of detection at 0.68 μM. In addition, the proposed system can construct molecular logic gates with GSH and Fe3+ ions as the chemical inputs and PL emissions as the output. And the Ag@PCPDs were successfully used for GSH determination in real samples resulting in high sensitivity and satisfactory recoveries (92.81--107.45%). More importantly, the Ag@PCPDs showed low cytotoxicity at 500 μg/mL and superior cell imaging capability in HeLa cells, which offer a new path for detection and categorization of GSH in biomedical applications.
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Affiliation(s)
- Xi Zhou
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Yun Hu
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - Lina Xu
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - Yufei Li
- Pinghu Institute of Advanced Materials, Zhejiang University of Technology, Pinghu 314200, China
| | - Lifang Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Yufeng Cao
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Jinqiu Zhou
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Tao Qian
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
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3
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Tu R, Liu J, Chen W, Fu F, Li MJ. Two near-infrared phosphorescent iridium(III) complexes for the detection of GSH and photodynamic therapy. Dalton Trans 2023; 52:13137-13145. [PMID: 37655695 DOI: 10.1039/d3dt01826a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
GSH is one of the most important reducing agents in biological systems. The depletion of GSH in the human body is linked to many diseases. Therefore, it is necessary to develop suitable and efficient probes for detecting GSH concentrations in real samples. In this work, we designed and synthesized two near-infrared emitting iridium(III) complex probes containing a novel ligand functionalized with an α,β-unsaturated ketone for the rapid and sensitive detection of GSH. The molecular structure of Ir2 was determined by X-ray crystallography. Due to their large Stokes shift, long luminescence lifetime and NIR emission, these probes were successfully applied in the imaging of GSH in living cells. In addition, two iridium(III) complexes have strong singlet oxygen generation ability which can be used for photodynamic therapy (PDT) upon visible light irradiation. On the basis of these findings, our iridium(III) complexes may serve as GSH probes for HeLa cell imaging and as photosensitizers for PDT.
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Affiliation(s)
- Rui Tu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China.
| | - Jie Liu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China.
| | - Weibin Chen
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China.
| | - Fengfu Fu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China.
| | - Mei-Jin Li
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, China.
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4
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Li X, Chen G, Hu A, Xiong Y, Yang T, Ma C, Li L, Gao H, Zhu C, Zhang W, Cai Z. Detection of mercury(II) and glutathione using a carbon dots-based "off-on" fluorescent sensor and the construction of a logic gate. Anal Bioanal Chem 2023; 415:1397-1409. [PMID: 36639530 DOI: 10.1007/s00216-023-04517-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/21/2022] [Accepted: 01/03/2023] [Indexed: 01/15/2023]
Abstract
In this paper, we proposed an efficient method for mercury(II) and glutathione detection using a fluorescent nanoprobe as a sensor. Carbon dots were synthesized from polyethyleneimine and ammonium citrate via a one-step hydrothermal method. The fluorescence of carbon dots was quenched since electron transfer occurred due to the interaction between mercury(II) and functional groups on the surface of carbon dots. Adding glutathione to the carbon dots-mercury(II) system, the fluorescence was recovered due to the stronger binding ability of glutathione to mercury(II). Based on the above-mentioned principle, this "off-on" fluorescent sensor can easily achieve the detection of mercury(II) and glutathione, which provided limits of detection of 22.45 nM and 61.89 nM, respectively. In this paper, the proposed method has been applied to detect mercury(II) and glutathione in real lake water and serum, respectively, and a logic gate for sensing glutathione was presented. The developed "off-on" fluorescent sensor with high sensitivity and selectivity has shown great potential for mercury(II) and glutathione detection in environmental and biosensing fields.
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Affiliation(s)
- Xin Li
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Guoqing Chen
- School of Science, Jiangnan University, Wuxi, 214122, China. .,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China.
| | - Anqi Hu
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Yi Xiong
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Taiqun Yang
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Chaoqun Ma
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Lei Li
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Hui Gao
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Chun Zhu
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Wei Zhang
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
| | - Zicheng Cai
- School of Science, Jiangnan University, Wuxi, 214122, China.,Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, 214122, China
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Qi W, Tian Y, Lu D, Chen B. Detection of glutathione in dairy products based on surface-enhanced infrared absorption spectroscopy of silver nanoparticles. Front Nutr 2022; 9:982228. [PMID: 36046139 PMCID: PMC9421297 DOI: 10.3389/fnut.2022.982228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
In this paper, silver nanoparticles (AgNPs) were prepared as enhanced substrates for the detection of glutathione in dairy products by polyol reduction of silver nitrate. The infrared spectra were collected and analyzed by surface-enhanced infrared absorption spectroscopy (SEIRA) method of transmission mode using a cell of calcium fluoride window sheet immobilization solution for the study. The disappearance of the thiol (-SH) absorption peak in the infrared spectrum, and the shift of its characteristic absorption peak when glutathione was bound to AgNPs solvate indicated the Ag-S bond interaction and the aggregation of AgNPS. AgNPs accumulate to form "hot spots", resulting in enhanced electromagnetic fields and thus enhanced infrared signals of glutathione. The intensity of the characteristic absorption peak at 1,654 cm-1 (carbonyl C=O bond stretching) was used for the quantitative analysis of glutathione. After optimizing the conditions, glutathione content in pretreated pure milk and pure ewe's milk was determined using AgNPs in combination with SEIRA. Good linearity was obtained in the range of 0.02-0.12 mg/mL with correlation coefficients (R 2) of 0.9879 and 0.9833, respectively, and LOD of 0.02 mg/mL with average spiked recoveries of 101.3 and 92.5%, respectively. The results show that the method can be used for accurate determination of glutathione content in common dairy products.
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Affiliation(s)
- Wenliang Qi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yanlong Tian
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.,Beijing Jingyi Group Co., Ltd., Beijing, China.,Beijing Beifen-Ruili Analytical Instrument (Group) Co., Ltd., Beijing Engineering Research Center of Material Composition Analytical Instrument, Beijing Enterprise Technology Center, Beijing, China
| | - Daoli Lu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Bin Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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6
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Jin Y, Xu M, Jin Y, Deng S, Tao N, Qiu W. Simultaneous Detection and Analysis of Free Amino Acids and Glutathione in Different Shrimp. Foods 2022; 11:foods11172599. [PMID: 36076785 PMCID: PMC9455249 DOI: 10.3390/foods11172599] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/15/2022] [Accepted: 08/23/2022] [Indexed: 12/02/2022] Open
Abstract
An amino acid analyzer method for the simultaneous determination of 20 free amino acids (FAAs) and glutathione (GSH) in Penaeus vannamei (PV), Penaeus vannamei, Penaeus hidulis (PH) and Penaeus japonicus (PJ) were developed. The effects of different concentrations of trichloroacetic acid (TCA) and ethanol on the extraction of free amino acids were investigated, and 120 g·L−1 TCA was found to be ideal. The target analytes were eluted in sodium citrate buffer B1 (pH = 3.3) containing 135 mL·L−1 ethanol and 1 mol·L−1 sodium hydroxide (7 mL) and at the optimizing conversion time of sodium citrate buffer B2 (pH = 3.2) and sodium citrate buffer B3 (pH = 4.0) of 5.6 min, and the effective separation was achieved within 29.5 min. The developed method showed good linearity (R2 ≥ 0.9991) in the range of 1–250 µg·mL−1 with good intra-day and inter-day precision (relative standard deviations ≤ 2.38%) and spike recovery (86.42–103.64%). GSH and cysteine were used to identify marine prawn and freshwater shrimp. Hydroxyproline and serine were used to distinguish PV and Macrobrachium nipponense (MN) from others, respectively. The highest content of the total FAAs was found in PV, and principal component analysis revealed that PV had the highest comprehensive score for FAAs and GSH. Arginine was found to have the greatest influence on shrimp flavor.
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Affiliation(s)
- Yinzhe Jin
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Minhua Xu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yingshan Jin
- College of Bioscience and Technology, Yangzhou University, Yangzhou 277600, China
| | - Shanggui Deng
- College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316000, China
| | - Ningping Tao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Correspondence: (N.T.); (W.Q.)
| | - Weiqiang Qiu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Correspondence: (N.T.); (W.Q.)
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7
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Guo X, Gao W, Cheng ZZ, Huang YY, Yao ZY, Li QZ, Qiao X, Xie CZ, Xu JY. Highly selective fluorescent detection platform based on isoquinoline Schiff base ligand monitors glutathione in biological systems. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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8
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Niaz H, Hassan SSU, Iqbal M, Ahmed H, Jamshaid T, Rehman MKU. Simultaneous Estimation of Diphenoxylate HCL and Atropine Sulphate in Solid Dosage Forms by High Performance Liquid Chromatography. Pharm Chem J 2022. [DOI: 10.1007/s11094-021-02525-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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9
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Yan M, Gao F, Chen M, Hu Q, Yang Y, Chen K, Wang P, Lei H, Ma Q. Synergistic Combination of Facile Thiol-Maleimide Derivatization and Supramolecular Solvent-Based Microextraction for UHPLC-HRMS Analysis of Glutathione in Biofluids. Front Chem 2021; 9:786627. [PMID: 34957048 PMCID: PMC8695729 DOI: 10.3389/fchem.2021.786627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Glutathione (GSH) is the most abundant non-protein thiol in biofluids, enabling diverse physiological functions. Among the proposed methods for GSH detection, ultra-high-performance liquid chromatography (UHPLC) coupled with high-resolution mass spectrometry (HRMS) has the advantages of high sensitivity and efficiency. In this study, a novel analytical method was developed for the determination of GSH using supramolecular solvent (SUPRAS)-based dispersive liquid–liquid microextraction (DLLME) and UHPLC–HRMS. N-Laurylmaleimide was dissolved in tetrahydrofuran, which served three functions: 1) precipitate the proteins present in the biofluid sample, 2) provide a reaction environment for derivatization, and 3) enable the use of SUPRAS as the dispersing agent. Critical parameters were optimized based on single factor testing and response surface methodology. The established method was validated in terms of linearity, accuracy, precision, and successful quantitative analysis of GSH in saliva, urine, and plasma samples. Experimental results showed that SUPRAS as an extraction solvent was particularly suitable for the extraction of GSH from complex matrices. The current study provides a useful tool for accurate measurements of GSH concentrations, which could potentially be used for clinical diagnostics.
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Affiliation(s)
- Mengmeng Yan
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.,Chinese Academy of Inspection and Quarantine, Beijing, China
| | - Feng Gao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Meng Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qi Hu
- Chinese Academy of Inspection and Quarantine, Beijing, China.,School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Yuqin Yang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Kedian Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Penglong Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Haimin Lei
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing, China
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Yuan X, Bai F, Ye H, Zhao H, Zhao L, Xiong Z. Smartphone-assisted ratiometric fluorescence sensing platform and logical device based on polydopamine nanoparticles and carbonized polymer dots for visual and point-of-care testing of glutathione. Anal Chim Acta 2021; 1188:339165. [PMID: 34794560 DOI: 10.1016/j.aca.2021.339165] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/17/2021] [Accepted: 10/09/2021] [Indexed: 01/11/2023]
Abstract
As a crucial biothiol, glutathione (GSH) plays a key role in the organisms. Monitoring GSH level is of great significance for disease diagnosis and biomedical research. In this work, polydopamine (PDA) nanoparticles-red fluorescent carbonized polymer dots (r-CPDs) based ratiometric fluorescence sensing platform was constructed and employed for GSH assay. Dopamine (DA) could be oxidized by cobalt oxyhydroxide (CoOOH) nanosheets and further polymerized into PDA nanoparticles with green fluorescence. However, in the presence of GSH, CoOOH nanosheets were reduced and decomposed, which prevented the production of PDA nanoparticles. In the sensing system, green-emitting PDA nanoparticles were employed as a response unit and r-CPDs were used as an internal reference unit. With the addition of GSH, the green fluorescence of PDA nanoparticles decreased as well as the red fluorescence of system remained relatively stable. Importantly, a distinct fluorescence color evolution from green to red was presented with a serious of GSH concentrations. Based on this, a portable smartphone-assisted ratiometric chromaticity analytical method was developed to achieve the on-site visual detection of GSH. Both the established ratiometric fluorescence and ratiometric chromaticity sensing methods for GSH assay have the merits of wide linear range, high sensitivity and excellent accuracy, which are suitable for the determination of GSH in human serum and exhibit great application potential in rapid and accurate monitoring of the GSH levels in clinical. Moreover, an ingenious logical device reflecting GSH levels was designed based on the two different fluorescence signals, which provided a new strategy for the intelligent online detection of GSH in complex biological matrices.
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Affiliation(s)
- Xucan Yuan
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China
| | - Fujuan Bai
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China
| | - Heng Ye
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China
| | - Hanqing Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China
| | - Longshan Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China.
| | - Zhili Xiong
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning, 110016, PR China.
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Chen X, Wang X, Cao G, Wu Y, Luo H, Ji Z, Shen C, Huo D, Hou C. Colorimetric and fluorescent dual-identification of glutathione based on its inhibition on the 3D ball-flower shaped Cu-hemin-MOF’s peroxidase-like activity. Mikrochim Acta 2020; 187:601. [DOI: 10.1007/s00604-020-04565-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 09/21/2020] [Indexed: 12/19/2022]
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12
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Sun X, Berger RS, Heinrich P, Marchiq I, Pouyssegur J, Renner K, Oefner PJ, Dettmer K. Optimized Protocol for the In Situ Derivatization of Glutathione with N-Ethylmaleimide in Cultured Cells and the Simultaneous Determination of Glutathione/Glutathione Disulfide Ratio by HPLC-UV-QTOF-MS. Metabolites 2020; 10:metabo10070292. [PMID: 32709039 PMCID: PMC7407321 DOI: 10.3390/metabo10070292] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/01/2020] [Accepted: 07/14/2020] [Indexed: 11/16/2022] Open
Abstract
Glutathione (GSH) and glutathione disulfide (GSSG) are commonly used to assess the oxidative status of a biological system. Various protocols are available for the analysis of GSH and GSSG in biomedical specimens. In this study, we present an optimized protocol for the in situ derivatization of GSH with N-ethylmaleimide (NEM) to prevent GSH autooxidation, and thus to preserve the GSH/GSSG ratio during sample preparation. The protocol comprises the incubation of cells in NEM containing phosphate buffered saline (PBS), followed by metabolite extraction with 80% methanol. Further, to preserve the use of QTOF-MS, which may lack the linear dynamic range required for the simultaneous quantification of GSH and GSSG in non-targeted metabolomics, we combined liquid chromatographic separation with the online monitoring of UV absorbance of GS-NEM at 210 nm and the detection of GSSG and its corresponding stable isotope-labeled internal standard by QTOF-MS operated with a 10 Da Q1 window. The limit of detection (LOD) for GS-NEM was 7.81 µM and the linear range extended from 15.63 µM to 1000 µM with a squared correlation coefficient R2 of 0.9997. The LOD for GSSG was 0.001 µM, and the lower limit of quantification (LLOQ) was 0.01 µM, with the linear (R2 = 0.9994) range extending up to 10 µM. The method showed high repeatability with intra-run and inter-run coefficients of variation of 3.48% and 2.51% for GS-NEM, and 3.11% and 3.66% for GSSG, respectively. Mean recoveries of three different spike-in levels (low, medium, high) of GSSG and GS-NEM were above 92%. Finally, the method was applied to the determination of changes in the GSH/GSSG ratio either in response to oxidative stress in cells lacking one or both monocarboxylate transporters MCT1 and MCT4, or in adaptation to the NADPH (nicotinamide adenine dinucleotide phosphate) consuming production of D-2-hydroxyglutarate in cells carrying mutations in the isocitrate dehydrogenase genes IDH1 and IDH2.
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Affiliation(s)
- Xueni Sun
- Institute of Functional Genomics, University of Regensburg, Am BioPark 9, 93053 Regensburg, Germany; (X.S.); (R.S.B.); (P.H.); (P.J.O.)
| | - Raffaela S. Berger
- Institute of Functional Genomics, University of Regensburg, Am BioPark 9, 93053 Regensburg, Germany; (X.S.); (R.S.B.); (P.H.); (P.J.O.)
| | - Paul Heinrich
- Institute of Functional Genomics, University of Regensburg, Am BioPark 9, 93053 Regensburg, Germany; (X.S.); (R.S.B.); (P.H.); (P.J.O.)
| | - Ibtissam Marchiq
- University Côte d’Azur (IRCAN), CNRS-INSERM, Centre A. Lacassagne, 06189 Nice, France; (I.M.); (J.P.)
| | - Jacques Pouyssegur
- University Côte d’Azur (IRCAN), CNRS-INSERM, Centre A. Lacassagne, 06189 Nice, France; (I.M.); (J.P.)
- Department of Medical Biology, Centre Scientifique de Monaco, CSM, 98000 Monaco, Monaco
| | - Kathrin Renner
- Department of Internal Medicine III, University Hospital Regensburg, 93042 Regensburg, Germany;
| | - Peter J. Oefner
- Institute of Functional Genomics, University of Regensburg, Am BioPark 9, 93053 Regensburg, Germany; (X.S.); (R.S.B.); (P.H.); (P.J.O.)
| | - Katja Dettmer
- Institute of Functional Genomics, University of Regensburg, Am BioPark 9, 93053 Regensburg, Germany; (X.S.); (R.S.B.); (P.H.); (P.J.O.)
- Correspondence: ; Tel.: +49-941-943-5015
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Li H, Yang Y, Qi X, Zhou X, Ren WX, Deng M, Wu J, Lü M, Liang S, Teichmann AT. Design and applications of a novel fluorescent probe for detecting glutathione in biological samples. Anal Chim Acta 2020; 1117:18-24. [PMID: 32408950 DOI: 10.1016/j.aca.2020.03.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 03/19/2020] [Indexed: 12/14/2022]
Abstract
This study aimed to develop a novel and practical fluorescent method for GSH detection in complex biological samples. To this end, a series of coumarin-based fluorescent probes was designed and synthesized using various aliphatic halogens as the sensing group. By using a new evaluation method of GSH/Cys/Hcy coexisting conditions, the probe with chloropropionate (CBF3) showed a high selectivity, excellent sensitivity, good stability for GSH detection. The reaction mechanism is proposed as nucleophilic substitution/cyclization and intramolecular charge transfer (ICT), which was confirmed by LC-MS and NMR analysis, as well as density functional theory calculations. In addition, CBF3 was demonstrated to be competent not only for the quantitative detection of GSH in real serum samples, but also for sensing GSH changes in different oxidative stress models in living cells and nematodes. This study showed a practical strategy for constructing GSH-specific fluorescent probes, and provided a sensitive tool for real-time sensing of GSH in real biological samples. The findings would greatly facilitate further investigations on GSH-associated clinical diagnosis and biomedical studies.
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Affiliation(s)
- Hao Li
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Youzhe Yang
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xiaoyi Qi
- The Affiliated Hospital of Southwest Medical University, Luzhou, China; Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China
| | - Xiaogang Zhou
- The Pharmacy School of Southwest Medical University, Luzhou, China
| | - Wen Xiu Ren
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Mingming Deng
- The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jianming Wu
- The Pharmacy School of Southwest Medical University, Luzhou, China.
| | - Muhan Lü
- The Affiliated Hospital of Southwest Medical University, Luzhou, China.
| | - Sicheng Liang
- The Affiliated Hospital of Southwest Medical University, Luzhou, China; The Pharmacy School of Southwest Medical University, Luzhou, China; Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China; Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang University, Hangzhou, China.
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14
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Chen K, Wang Y, Cui H, Wei Z, Jia X, Liu Z, Guo X. Difunctional Fluorescence Nanoparticles for Accurate Tracing of Nanopesticide Fate and Crop Protection Prepared by Flash Nanoprecipitation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:735-741. [PMID: 31895559 DOI: 10.1021/acs.jafc.9b06744] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Facile fabrication of difunctional nanoparticles (NPs) for pesticide delivery and imaging is still a fascinating challenge. Here, water-dispersible difunctional NPs were developed using flash nanoprecipitation (FNP) where self-assembling amphiphilic block copolymers were used to encapsulate a highly hydrophobic model pesticide, Lambda-cyhalothrin, and the fluorescent dye Nile red. The particle size (ranging from 158 to 280 nm) and fluorescence property of NPs could be controlled by varying the flow rate or Nile red feed concentration. The aggregation state and rearrangement of the dye molecules in the NPs were also investigated. IVIS imaging and confocal laser scanning microscopy analysis demonstrated that the resulting difunctional nanopesticide particles could allow accurate in situ tracking of the pesticide on the leaf surface, while effectively avoiding interference from chlorophyll autofluorescence. The difunctional NP suspension maintained high insecticidal activity and stability. This work demonstrates the feasibility and great potential of the FNP method in universal fabrication of multifunctional NPs with in situ pesticide tracing and crop protection capabilities.
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Affiliation(s)
- Kai Chen
- State Key Laboratory of Chemical Engineering, Engineering Research Center of Large Scale Reactor Engineering and Technology (Ministry of Education), and International Joint Research Center of Green Energy Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
| | - Zhong Wei
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Xin Jia
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Zhiyong Liu
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, Engineering Research Center of Large Scale Reactor Engineering and Technology (Ministry of Education), and International Joint Research Center of Green Energy Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
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15
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Behringer S, Wingert V, Oria V, Schumann A, Grünert S, Cieslar-Pobuda A, Kölker S, Lederer AK, Jacobsen DW, Staerk J, Schilling O, Spiekerkoetter U, Hannibal L. Targeted Metabolic Profiling of Methionine Cycle Metabolites and Redox Thiol Pools in Mammalian Plasma, Cells and Urine. Metabolites 2019; 9:metabo9100235. [PMID: 31635306 PMCID: PMC6836102 DOI: 10.3390/metabo9100235] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/13/2019] [Accepted: 10/15/2019] [Indexed: 12/12/2022] Open
Abstract
The concentration of thiol and thioether metabolites in plasma has diagnostic value in genetic diseases of B-vitamin metabolism linked to methionine utilization. Among these, cysteine/cystine (Cys/CSSC) and glutathione/oxidized glutathione (GSH/GSSG) act as cellular redox buffers. A new LC-MS/MS method was developed for the simultaneous detection of cystathionine (Cysta), methionine (Met), methionine sulfoxide (MSO), creatinine and the reduced and oxidized pairs of homocysteine (Hcy/HSSH), cysteine (Cys/CSSC) and glutathione (GSH/GSSG). A one-step thiol-blocking protocol with minimal sample preparation was established to determine redox thiol pairs in plasma and cells. The concentrations of diagnostic biomarkers Hcy, Met, Cysta, and Cys in a cohort of healthy adults (n = 53) agreed with reference ranges and published values. Metabolite concentrations were also validated in commercial samples of human, mouse, rat and Beagle dog plasma and by the use of a standardized ERNDIM quality control. Analysis of fibroblasts, endothelial and epithelial cells, human embryonic stem cells, and cancer cell lines showed cell specificity for both the speciation and concentration of thiol and thioether metabolites. This LC-MS/MS platform permits the fast and simultaneous quantification of 10 thiol and thioether metabolites and creatinine using 40 µL plasma, urine or culture medium, or 500,000 cells. The sample preparation protocols are directly transferable to automated metabolomic platforms.
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Affiliation(s)
- Sidney Behringer
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Victoria Wingert
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Victor Oria
- Institute of Surgical Pathology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
- Spemann Graduate School of Biology and Medicine, Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany.
| | - Anke Schumann
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Sarah Grünert
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Artur Cieslar-Pobuda
- Nordic European Molecular Laboratory (EMBL) Partnership, Centre for Molecular Medicine Norway, University of Oslo, 0318 Oslo, Norway.
| | - Stefan Kölker
- Center for Pediatrics and Adolescent Medicine, Division of Pediatric Neurology and Metabolic Medicine, University Hospital Heidelberg, 69120 Heidelberg, Germany.
| | - Ann-Kathrin Lederer
- Center for Complementary Medicine, Institute for Infection Prevention and Hospital Epidemiology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Donald W Jacobsen
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44106, USA.
| | - Judith Staerk
- Nordic European Molecular Laboratory (EMBL) Partnership, Centre for Molecular Medicine Norway, University of Oslo, 0318 Oslo, Norway.
- Norwegian Center for Stem Cell Research, Department of Immunology, Oslo University Hospital, 0372 Oslo, Norway.
| | - Oliver Schilling
- Institute of Surgical Pathology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Ute Spiekerkoetter
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
| | - Luciana Hannibal
- Laboratory of Clinical Biochemistry and Metabolism, Department of General Pediatrics, Adolescent Medicine and Neonatology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany.
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