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Yu J, Fan J, Song Y, Zhao Y, Lin Z, Jiang L, Li H. Near-infrared fluorescent probe with large Stokes shift for specific detection of lysine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 308:123734. [PMID: 38064966 DOI: 10.1016/j.saa.2023.123734] [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: 08/17/2023] [Revised: 11/23/2023] [Accepted: 12/02/2023] [Indexed: 01/13/2024]
Abstract
A new near-infrared (NIR) fluorescent probe CL based on coumarin- dicyanoisophorone was synthesized. Addition of Lys to probe CL solution in DMF/H2O (9:1, v/v) medium resulted in noticeable enhancement in the intensity of the fluorescence emission at 702 nm, accompanying distinct color change from yellow to pink. While addition of other amino acids and biothiols (Gly, Hcy, GSH, Glu, Val, Tyr, Arg, Trp, Lys, His, Leu, Phe, Asp and Met) did not bring about substantial changes in both fluorescence emission and color. The detection limit was calculated to be 0.51 μM. Job's plot test revealed that probe CL and Lys formed a complex of 1:1 stoichiometry. Probe CL showed high stability and could be used to recognize Lys in a wide pH range of 4.0-10.0. The sensing mechanism was proposed and verified by 1H NMR spectral measurement. The dual-modal fluorescence turn-on and colorimetric NIR probe with an extremely large Stokes shift of 280 nm may be utilized for highly specific and practical sensing of Lys.
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Affiliation(s)
- Jirui Yu
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China
| | - Ji Fan
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China
| | - Yanxi Song
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yong Zhao
- School of Chemistry and Material Engineering, Huainan Normal University, 232038, Huainan, Anhui Province, China
| | - Ziyun Lin
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China
| | - Lin Jiang
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China
| | - Hongqi Li
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China.
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Sudewi S, Li CH, Chabib L, Rasool A, Arputharaj E, Zulfajri M, Huang GG. Turn-off/turn-on biosensing of tetracycline and ciprofloxacin antibiotics using fluorescent iron oxide quantum dots. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1261-1271. [PMID: 38323472 DOI: 10.1039/d3ay02168h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
A fluorescence probe based on iron oxide quantum dots (IO-QDs) was synthesized using the hydrothermal method for the determination of tetracycline (TCy) and ciprofloxacin (CPx) in aqueous solution. The IO-QDs were characterized using high-resolution transmission electron microscopy (HR-TEM), powder X-ray diffraction (P-XRD), vibrating sample magnetometry (VSM), and Fourier-transform infrared spectroscopy (FTIR). The as-prepared IO-QDs are fluorescent, stable, and with a fluorescence quantum yield (QY) of 9.8 ± 0.12%. The fluorescence of IO-QDs was observed to be quenched and enhanced in the presence of TCy and CPx, respectively. The fluorescence intensity ratio shows linearity at concentrations from 1-100 μM and 5-100 μM for TCy and CPx, respectively; the detection limit for TCy and CPx was estimated to be 0.71 μM and 1.56 μM, respectively. The proposed method was also successfully utilized in the spiked samples of drinking water and honey with good recoveries. The method offered convenience, rapid detection, high sensitivity, selectivity, and cost-efficient alternative options for the determination of TCy and CPx in real samples.
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Affiliation(s)
- Sri Sudewi
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Department of Pharmacy, Faculty of Mathematics and Natural Science, Universitas Sam Ratulangi, Manado 95115, Indonesia
| | - Chien-Hung Li
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Lutfi Chabib
- Pharmacy Study Program, Faculty of Mathematics and Science, Universitas Islam Indonesia, Yogyakarta 55584, Indonesia
| | - Akhtar Rasool
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), KST BJ Habibie, Setu, Tangerang Selatan 15314, Indonesia
| | - Emmanuvel Arputharaj
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Muhammad Zulfajri
- Department of Chemistry Education, Universitas Serambi Mekkah, Banda Aceh 23245, Indonesia
| | - Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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Sudewi S, Zulfajri M, Dayalan S, Hsu SCN, Huang GG. Glutamic acid-capped iron oxide quantum dots as fluorescent nanoprobe for tetracycline in urine. Mikrochim Acta 2023; 190:226. [PMID: 37198413 DOI: 10.1007/s00604-023-05801-3] [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: 02/14/2023] [Accepted: 04/14/2023] [Indexed: 05/19/2023]
Abstract
The fabrication of iron oxide quantum dots (IO-QDs) modified with glutamic acid (Glu) under controllable conditions is reported. The IO-QDs have been characterized by transmission electron microscopy, spectrofluorometry, powder X-ray diffraction, vibrating sample magnetometry, UV-Vis spectroscopy, X-ray photoelectron spectroscopy, and Fourier-transform infrared spectroscopy. The IO-QDs exhibited good stability towards irradiation, temperature elevations, and ionic strength, and the quantum yield (QY) of IO-QDs was calculated to be 11.91 ± 0.09%. The IO-QDs were furtherly measured at an excitation wavelength of 330 nm with emission maxima at 402 nm, which were employed to detect tetracycline (TCy) antibiotics, including tetracycline (TCy), chlortetracycline (CTCy), demeclocycline (DmCy), and oxytetracycline (OTCy) in biological samples. The results indicated that TCy, CTCy, DmCy, and OTCy in urine samples show a dynamic working range between 0.01 and 80.0 μM; 0.01 and 1.0 μM; 0.01 and 10 μM; and 0.04 and 1.0 μM, respectively, with detection limits of 7.69 nM, 120.23 nM, 18.20 nM, and 67.74 nM, respectively. The detection was not interfered with by the auto-fluorescence from the matrices. In addition, the obtained recovery in real urine samples suggested that the developed method could be used in practical applications. Therefore, the current study has prospect to develop an easy, fast, eco-friendly, and efficient new sensing method for detecting tetracycline antibiotics in biological samples.
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Affiliation(s)
- Sri Sudewi
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Department of Pharmacy, Faculty of Mathematics and Natural Science, Universitas Sam Ratulangi, Manado, 95115, Indonesia
| | - Muhammad Zulfajri
- Department of Chemistry Education, Universitas Serambi Mekkah, Banda Aceh, Aceh, 23245, Indonesia
| | - Sandhiya Dayalan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Sodio C N Hsu
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan.
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
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Li J, Tian H, Zhu F, Jiang S, He M, Li Y, Luo Q, Sun W, Liu X, Wang P. Amorphous Ultra-Small Fe-Based Nanocluster Engineered and ICG Loaded Organo-Mesoporous Silica for GSH Depletion and Photothermal-Chemodynamic Synergistic Therapy. Adv Healthc Mater 2022; 11:e2201986. [PMID: 36106722 DOI: 10.1002/adhm.202201986] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/10/2022] [Indexed: 01/28/2023]
Abstract
Intracellular oxidative amplification can effectively destroy tumor cells. Additionally, Fe-mediated Fenton reaction often converts cytoplasm H2 O2 to generate extensive hypertoxic hydroxyl radical (• OH), leading to irreversible mitochondrion damage for tumor celleradication, which is widely famous as tumor chemodynamic therapy (CDT). Unfortunately, intracellular overexpressed glutathione (GSH) always efficiently scavenges • OH, resulting in the significantly reduced CDT effect. To overcome this shortcoming and improve the oxidative stress in cytoplasm, Fe3 O4 ultrasmall nanoparticle encapsulated and ICG loaded organo-mesoporous silica nanovehicles (omSN@Fe-ICG) are constructed to perform both photothermal and GSH depletion to enhance the Fenton-like CDT, by realizing intracellular oxidative stress amplification. After this nanoagents are internalized, the tetrasulfide bonds in the dendritic mesoporous framework can be decomposed with GSH to amplify the toxic ROS neration by selectively converting H2 O2 to hydroxyl radicals through the released Fe-based nanogranules. Furthermore, the NIR laser-induced hyperthermia can further improve the Fenton reaction rate that simultaneously destroyed the mitochondria. As a result, the GSH depletion and photothermal assisted CDT can remarkably improve the tumor eradication efficacy.
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Affiliation(s)
- Jiaqi Li
- School of Rare earths, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China.,Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi, 341000, P. R. China.,Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China
| | - Haina Tian
- Department of Biomaterials, College of Materials, Research Center of Biomedical Engineering of Xiamen & Key Laboratory of Biomedical Engineering of Fujian Province, Xiamen University, Xiamen, 361005, P. R. China
| | - Fukai Zhu
- Collaborative Innovation Center of Mushroom Health Industry, Minnan Normal University, Zhangzhou, Fujian, 363000, P. R. China
| | - Suhua Jiang
- Collaborative Innovation Center of Mushroom Health Industry, Minnan Normal University, Zhangzhou, Fujian, 363000, P. R. China
| | - Maomao He
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian, 116024, P. R. China
| | - Yang Li
- School of Rare earths, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China.,Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi, 341000, P. R. China.,Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China
| | - Qiang Luo
- Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian, 116024, P. R. China
| | - Xiaolong Liu
- School of Rare earths, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China.,Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi, 341000, P. R. China.,Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China
| | - Peiyuan Wang
- School of Rare earths, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China.,Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi, 341000, P. R. China.,Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China
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