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Puccini A, Liu N, Hemmer E. Lanthanide-based nanomaterials for temperature sensing in the near-infrared spectral region: illuminating progress and challenges. NANOSCALE 2024; 16:10975-10993. [PMID: 38607258 DOI: 10.1039/d4nr00307a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Being first proposed as a method to overcome limitations associated with conventional contact thermometers, luminescence thermometry has been extensively studied over the past two decades as a sensitive and fast approach to remote and minimally invasive thermal sensing. Herein, lanthanide (Ln)-doped nanoparticles (Ln-NPs) have been identified as particularly promising candidates, given their outstanding optical properties. Known primarily for their upconversion emission, Ln-NPs have also been recognized for their ability to be excited with and emit in the near-infrared (NIR) regions matching the NIR transparency windows. This sparked the emergence of the development of NIR-NIR Ln-NPs for a wide range of temperature-sensing applications. The shift to longer excitation and emission wavelengths resulted in increased efforts being put into developing nanothermometers for biomedical applications, however most research is still preclinical. This mini-review outlines and addresses the challenges that limit the reliability and implementation of luminescent nanothermometers to real-life applications. Through a critical look into the recent developments from the past 4 years, we highlight attempts to overcome some of the limitations associated with excitation wavelength, thermal sensitivity, calibration, as well as light-matter interactions. Strategies range from use of longer excitation wavelengths, brighter emitters through strategic core/multi-shell architectures, exploitation of host phonons, and a shift from double- to single-band ratiometric as well as lifetime-based approaches to innovative methods based on computation and machine learning. To conclude, we offer a perspective on remaining gaps and where efforts should be focused towards more robust nanothermometers allowing a shift to real-life, e.g., in vivo, applications.
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Affiliation(s)
- Abigale Puccini
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada.
| | - Nan Liu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada.
| | - Eva Hemmer
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada.
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2
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Kumar M, Chinnathambi S, Bakhori N, Abu N, Etezadi F, Thangavel V, Packwood D, Sivaniah E, Pandian GN. Biomass-derived carbon dots as fluorescent quantum probes to visualize and modulate inflammation. Sci Rep 2024; 14:12665. [PMID: 38830927 PMCID: PMC11148068 DOI: 10.1038/s41598-024-62901-7] [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: 02/27/2024] [Accepted: 05/21/2024] [Indexed: 06/05/2024] Open
Abstract
Quantum dots, which won the Nobel Prize in Chemistry, have recently gained significant attention in precision medicine due to their unique properties, such as size-tunable emission, high photostability, efficient light absorption, and vibrant luminescence. Consequently, there is a growing demand to identify new types of quantum dots from various sources and explore their potential applications as stimuli-responsive biosensors, biomolecular imaging probes, and targeted drug delivery agents. Biomass-waste-derived carbon quantum dots (CQDs) are an attractive alternative to conventional QDs, which often require expensive and toxic precursors, as they offer several merits in eco-friendly synthesis, preparation from renewable sources, and cost-effective production. In this study, we evaluated three CQDs derived from biomass waste for their potential application as non-toxic bioimaging agents in various cell lines, including human dermal fibroblasts, HeLa, cardiomyocytes, induced pluripotent stem cells, and an in-vivo medaka fish (Oryzias latipes) model. Confocal microscopic studies revealed that CQDs could assist in visualizing inflammatory processes in the cells, as they were taken up more by cells treated with tumor necrosis factor-α than untreated cells. In addition, our quantitative real-time PCR gene expression analysis has revealed that citric acid-based CQDs can potentially reduce inflammatory markers such as Interleukin-6. Our studies suggest that CQDs have potential as theragnostic agents, which can simultaneously identify and modulate inflammatory markers and may lead to targeted therapy for immune system-associated diseases.
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Affiliation(s)
- Mahima Kumar
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Shanmugavel Chinnathambi
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan.
| | - Noremylia Bakhori
- Advanced Materials Research Centre (AMREC), SIRIM Berhad, Lot 34, Jalan Hi-Tech 2/3, Hi-Tech Park, 09000, Kulim, Malaysia
| | - Norhidayah Abu
- Advanced Materials Research Centre (AMREC), SIRIM Berhad, Lot 34, Jalan Hi-Tech 2/3, Hi-Tech Park, 09000, Kulim, Malaysia.
- Department of Medical Microbiology & Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia.
| | - Fatemeh Etezadi
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan
| | - Vaijayanthi Thangavel
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan
| | - Daniel Packwood
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan
| | - Easan Sivaniah
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Ganesh N Pandian
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Institute for Advanced Study, Kyoto University, Kyoto, 616-8510, Japan.
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Khan WU, Hussain MM, Ahmed F, Xiong H. A review of the growing trend towards heteroatoms-doped carbon dots based on dopamine acting as a hybrid agent and detected analyte. Talanta 2023; 265:124781. [PMID: 37348356 DOI: 10.1016/j.talanta.2023.124781] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 06/24/2023]
Abstract
Dopamine (DA) is a biomolecule that plays a critical part in the functioning of our brains by promoting motivation, maintaining focus, and altering mood. Excessive or low-level concentrations of DA in the human brain led to a dangerous neurological disorder. It is significantly important to trace the precise amount of DA to prevent such risky brain disease. Recently, heteroatoms-doped carbon dots (H-CDs) have attracted great attention for their capacity to detect biomolecules, metal ions, organic solvents, chemical dyes, etc. In this review, we have provided a comprehensive summary of the emerging trends in the heteroatom functional dopamine-doped carbon dots (DA-CDs), which are based on DA used as starting substances or functionalizing agents. Our analysis encompasses a detailed exploration of the synthetic methods, physical and chemical properties of carbon dots derived from dopamine, as well as their diverse range of applications. Additionally, we have also discussed the application of H-CDs in the dopmine detection by using various fluorescent, colorimetric, and electrochemical techniques.
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Affiliation(s)
- Waheed Ullah Khan
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, PR China; School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | | | - Farid Ahmed
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, PR China
| | - Hai Xiong
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, PR China.
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4
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Khan WU, Qin L, Zhou P, Alam A, Ge Z, Wang Y. Zero Thermal Quenching Phenomenon of Green Emitting Carbon Dots with High Biocompatibility and Stable Multicolor Biological Imaging in a Hot Environment. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45616-45625. [PMID: 37729491 DOI: 10.1021/acsami.3c09688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Carbon dots are emerging fluorescent nanomaterials with unique physical and chemical properties and a wide range of applications. Herein, we have designed and successfully synthesized thermally stable green emissive nitrogen-doped carbon dots (NCDs) with a photoluminescent quantum yield of 11.32% through facile solvent-free carbonization. NCDs demonstrated zero thermal quenching upon various temperatures modulating from 20 to 80 °C. The green emissive NCDs perform very stably even after heating them at 80 °C for 1 h. The thermal stability mechanism demonstrates that C═O and C═N functional groups control the particle aggregation and protect the fluorescent hub from photo-oxidation and thermal oxidation. Highly biocompatible CDs exhibit bright, stable, and multicolor emissions in T-ca cells under hot circumstances (25-45 °C). Additionally, NCDs offer long-term stability in the biosystem, as evidenced by the fact that the cell retains its brightness about 70% after prolonging the incubation time to 8 days. Furthermore, the fluorescent NCDs are utilized as in vivo imaging agents in the hot environment as they display bright and thermally stable imaging (27-45 °C) under 488 nm excitation. The results confirmed that the produced thermally stable NCDs could be used in biology and related medical fields that require hot environment imaging.
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Affiliation(s)
- Waheed Ullah Khan
- National and Local Joint Engineering Laboratory of Optical-Conversion Materials and Technology, and School of Materials and Energy, Lanzhou University, Lanzhou 730000, P.R. China
- Institute for Advanced Study, and School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P.R. China
| | - Liying Qin
- School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ping Zhou
- School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China
| | - Abid Alam
- National and Local Joint Engineering Laboratory of Optical-Conversion Materials and Technology, and School of Materials and Energy, Lanzhou University, Lanzhou 730000, P.R. China
| | - Zhangjie Ge
- School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yuhua Wang
- National and Local Joint Engineering Laboratory of Optical-Conversion Materials and Technology, and School of Materials and Energy, Lanzhou University, Lanzhou 730000, P.R. China
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Khan WU, Qin L, Chen L, Khan WU, Zeb S, Khan A, Li S, Khan SU, Kamal S, Zhou P. High biocompatible nitrogen and sulfur Co-doped carbon dots for Hg(II) detection and their long-term biological stability in living cells. Anal Chim Acta 2023; 1245:340847. [PMID: 36737134 DOI: 10.1016/j.aca.2023.340847] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/07/2023] [Accepted: 01/16/2023] [Indexed: 01/18/2023]
Abstract
Fluorescent carbon dots have been highly reported nanomaterials in recent times because of their excellent physio-chemical properties and various field of applications. Herein, a one-step hydrothermal approach was used to synthesize high biocompatible nitrogen and sulfur co-doped carbon dots, and examined their chemical sensing (Hg2+) and biological imaging properties. The N,S-CDs exhibited blue light, demonstrating a high quantum yield of up to 44.5% and excitation-independent fluorescent characteristics. Cytotoxicity was observed by CCK-8 assay using T-ca cells as a target source. Cell viability was recorded over 80% even after 7 days of treatment with a concentration up to 400 μg/mL, indicating low-toxicity of N,S-CDs. Notably, the bright blue fluorescence of N,S-CDs was quenched by introducing toxic Hg2+ ions into the solution. The detection limit was calculated to be about ∼3.5 nM, which is quite impressive compared to previous reports. Because of their low-toxicity, nano-size, and environment friendly properties, N,S-CDs could be excellent fluorescent agents for bio-imaging applications. The biological stability of fluorescent N,S-CDs was tested over time, and the findings were significant even after 8 days of incubation with T-ca cells. Because of good biocompatibility and bright fluorescence, N,S-CDs were suitable for in vivo imaging.
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Affiliation(s)
- Waheed Ullah Khan
- Institute for Advanced Study, and School of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, PR China.
| | - Liying Qin
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Lixin Chen
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Wasim Ullah Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510273, PR China.
| | - Shah Zeb
- Institute for Advanced Study, and School of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Asaf Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510273, PR China
| | - Shengzhen Li
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Salim Ullah Khan
- Department of Chemistry, University of Science and Technology Bannu, and Degree Collage Sikander Khel Bala, Bannu 28100, KPK, Pakistan
| | - Sajid Kamal
- Environment Research Institute, Shandong University, Qingdao, 226237, PR China
| | - Ping Zhou
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China.
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Wang Y, Ding C, Ge Z, Li Z, Chen L, Guo X, Dong G, Zhou P. A novel antibacterial and fluorescent coating composed of polydopamine and carbon dots on the surface of orthodontic brackets. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:10. [PMID: 36802301 PMCID: PMC9943946 DOI: 10.1007/s10856-023-06712-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 01/17/2023] [Indexed: 05/13/2023]
Abstract
Many kinds of antibacterial coatings have been designed to prevent the adherence of bacteria onto the surface of a fixed orthodontic device of brackets. However, the problems such as weak binding force, undetectable, drug resistance, cytotoxicity and short duration needed to be solved. Thus, it has great value in developing novel coating methods with long-term antibacterial and fluorescence properties according to the clinical application of brackets. In this study, we synthesized blue fluorescent carbon dots (HCDs) using the traditional Chinese medicinal honokiol, which could cause irreversible killing effects on both gram-positive and gram-negative bacteria through positive charges on the surface and inducing reactive oxygen species (ROS) production. Based on this, the surface of brackets was serially modified with polydopamine and HCDs, taking advantage of the strong adhesive properties as well as the negative surface charge of polydopamine particles. It is found that this coating exhibits stable antibacterial properties in 14 days with good biocompatibility, which can provide a new solution and strategy to solve the series of hazards caused by bacterial adhesion on the surface of orthodontic brackets.
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Affiliation(s)
- Yixi Wang
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Chuanyang Ding
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Zhangjie Ge
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Zhipeng Li
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Lixin Chen
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Xiaolong Guo
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China
| | - Genxi Dong
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China.
| | - Ping Zhou
- School and Hospital of Stomatology, Lanzhou University, No.222 Tianshui South Road, Chengguan District, Lanzhou, 730000, China.
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710000, China.
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7
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Chang X, Zhao G, Liu C, Wang X, Abdulkhaleq AMA, Zhang J, Zhou X. One-step microwave synthesis of red-emissive carbon dots for cell imaging in extreme acidity and light emitting diodes. RSC Adv 2022; 12:28021-28033. [PMID: 36320228 PMCID: PMC9524442 DOI: 10.1039/d2ra04026c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/26/2022] [Indexed: 11/21/2022] Open
Abstract
Red emissive carbon dots (R-CDs) have received great attention in biological fields due to their deep tissue penetrability, great bioimaging capability, low interference from auto-fluorescence, and potential for optoelectronic applications. Herein, excitation-independent, highly acid-sensitive R-CDs were successfully obtained via one-step microwave treatment of o-phenylenediamine (o-PD) and phosphoric acid and carefully purified by column chromatography. The relationship between the fluorescence emission and surface groups of the R-CDs was studied in detail using XPS, NMR, and fluorescence spectroscopy, and the different mechanisms of action of the R-CDs and acid in H2O and ethanol were determined. The excellent anti-interference ability and biocompatibility of the R-CDs were confirmed, and the probes were successfully used for imaging A549 and Escherichia coli (E. coli) cells in extreme acidity. Finally, based on their relatively high quantum yield and long wavelength emission, the application potential of the R-CDs in the fabrication of red light-emitting diodes (LEDs) was investigated.
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Affiliation(s)
- Xiaojie Chang
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
| | - Guizhi Zhao
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
| | - Chang Liu
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
| | - Xueshi Wang
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
| | | | - Jie Zhang
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
| | - Xibin Zhou
- College of Pharmacy, Jinzhou Medical University Jinzhou Liaoning 121001 P. R. China
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Wang M, Liu M, Nong S, Song W, Zhang X, Shen S, Jian G, Chen X, Li Z, Xu L. Highly Luminescent Nucleoside-Based N, P-Doped Carbon Dots for Sensitive Detection of Ions and Bioimaging. Front Chem 2022; 10:906806. [PMID: 35747344 PMCID: PMC9210210 DOI: 10.3389/fchem.2022.906806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 04/28/2022] [Indexed: 12/28/2022] Open
Abstract
The efficient detection of Fe3+ and MnO4− in a water environment is very important and challenging due to their harmful effects on the health of humanity and environmental systems. Good biocompatibility, sensitivity, selectivity, and superior photophysical properties were important attributes of carbon dot-based CDs sensors for sensing applications. In this work, we synthesized N, P-co-doped carbon dots (N/P CDs) with guanosine 5′-monophosphate (GMP) as a green carbon source, with high fluorescence quantum yield in water (QY, 53.72%). First, the luminescent N/P CDs showed a three-state “on-off-on” fluorescence response upon the sequential addition of Fe3+ and F−, with a low detection limit of 12 nM for Fe3+ and 8.5 nM for F−, respectively. Second, the N/P CDs also exhibited desirable selectivity and sensitivity for toxic MnO4− detection with the limit of detection of 18.2 nM, through a turn-off mechanism. Moreover, the luminescent N/P CDs successfully monitored the aforementioned ions in environmental water samples and in Escherichia coli.
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Affiliation(s)
- Mengru Wang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Mengling Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Shuli Nong
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Wenzhu Song
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Xianpeng Zhang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Shuang Shen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Guohong Jian
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Xiangyao Chen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Zhanchao Li
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
- *Correspondence: Li Xu, ; Zhanchao Li ,
| | - Li Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
- Guangdong Pharmaceutical University−University of Hong Kong Joint Biomedical Innovation Platform, Zhongshan, China
- *Correspondence: Li Xu, ; Zhanchao Li ,
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