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Fang Q, Hong C, Liu Z, Pan Y, Lin J, Zheng J, Zhang J, Chen T, Ma X, Wu A. Oxygen Vacancy Defect Enhanced NIR-II Photothermal Performance of BiO xCl Nanosheets for Combined Phototherapy of Cancer Guided by Multimodal Imaging. Adv Healthc Mater 2024; 13:e2303200. [PMID: 38183410 DOI: 10.1002/adhm.202303200] [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: 09/24/2023] [Revised: 12/08/2023] [Indexed: 01/08/2024]
Abstract
Narrow photo-absorption range and low carrier utilization are significant barriers that restrict the antitumor efficiency of 2D bismuth oxyhalide (BiOX, X = Cl, Br, I) nanosheets (NSs). Introducing oxygen vacancy (OV) defects can expand the absorption range and improve carrier utilization, which are crucial but also challenging. In this study, a series of BiOxCl NSs with different OV defect concentrations (x = 1, 0.7, 0.5) is developed, which shows full spectrum absorption and strong absorption in the second near-infrared region (NIR-II). Density functional theory calculations are utilized to calculate the crystal structure and density states of BiOxCl, which confirm that part of the carriers is separated by OV enhanced internal electric field to improve carrier utilization. The carriers without redox reaction can be trapped in the OV, leading to great majority of photo-generated carriers promoting the photothermal performance. Triggered by single NIR-II (1064 nm), BiOxCl NSs' bidirectional efficient utilization of carriers achieves synchronously combined phototherapy, leading to enhanced tumor ablation and multimodal diagnostic in vitro and vivo. It is thus believed that this work provides an innovative strategy to design and construct nanoplatforms of indirect band gap semiconductors for clinical phototheranostics.
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Affiliation(s)
- Qianlan Fang
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chengyuan Hong
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
- Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham Ningbo China, Ningbo, 315100, P. R. China
| | - Zhusheng Liu
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
| | - Yuning Pan
- Department of Radiology, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, P. R. China
- Ningbo Clinical Research Center for Medical Imaging, Ningbo, 315010, P. R. China
| | - Jie Lin
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
| | - Jianjun Zheng
- Ningbo Clinical Research Center for Medical Imaging, Ningbo, 315010, P. R. China
- Department of Radiology, Ningbo No.2 Hospital, Ningbo, 315010, P. R. China
| | - Jingfeng Zhang
- Ningbo Clinical Research Center for Medical Imaging, Ningbo, 315010, P. R. China
- Department of Radiology, Ningbo No.2 Hospital, Ningbo, 315010, P. R. China
| | - Tianxiang Chen
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
- Ningbo Clinical Research Center for Medical Imaging, Ningbo, 315010, P. R. China
- Department of Radiology, Ningbo No.2 Hospital, Ningbo, 315010, P. R. China
| | - Xuehua Ma
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Department of Radiology, Ningbo No.2 Hospital, Ningbo, 315010, P. R. China
| | - Aiguo Wu
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (CAS), Ningbo, Zhejiang, 315201, China
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Wang X, Zhang R, Ma X, Xu Z, Ma M, Zhang T, Ma Y, Shi F. Carbon dots@noble metal nanoparticle composites: research progress report. Analyst 2024; 149:665-688. [PMID: 38205593 DOI: 10.1039/d3an01580g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Carbon dots@noble metal nanoparticle composites are formed by combining carbon dots and metal nanoparticles using various strategies. Carbon dots exhibit a reducing ability and function as stabilisers; consequently, metal-ion solutions can be directly reduced by them to synthesise gold, silver, and gold-silver alloy particles. Carbon dots@gold/silver/gold-silver particle composites have demonstrated the potential for several practical applications owing to their superior properties and simple preparation process. Until now, several review articles have been published to summarise fluorescent carbon dots or noble metal nanomaterials. Compared with metal-free carbon dots, carbon dots@noble metal nanoparticles have a unique morphology and structure, resulting in new physicochemical properties, which allow for sensing, bioimaging, and bacteriostasis applications. Therefore, to promote the effective development of carbon dots@noble metal nanoparticle composites, this paper primarily reviews carbon dots@gold/silver/gold-silver alloy nanoparticle composites for the first time in terms of the following aspects. (1) The synthesis strategies of carbon dots@noble metal nanoparticle composites are outlined. The principle and function of carbon dots in the synthesis strategies are examined. The advantages and disadvantages of these methods and composites are analysed. (2) The characteristics and properties of such composites are described. (3) The applications of these composite materials are summarised. Finally, the potentials and limitations of carbon dots@noble metal nanoparticle composites are discussed, thus laying the foundation for their further development.
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Affiliation(s)
- Xuejing Wang
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Renyin Zhang
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Xiaoyu Ma
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Zhihua Xu
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Mingze Ma
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Tieying Zhang
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Yu Ma
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
| | - Feng Shi
- College of Life Sciences, Shihezi University, Shihezi 832003, China.
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Liu J, Xu H, Liang H, Zhang J, Yuan H, Zhao D, Wang C. An antioxidative, green and safe nanofibers-based film containing pullulan, sodium hyaluronate and Ganoderma lucidum fermentation for enhanced skincare. Int J Biol Macromol 2023; 253:127047. [PMID: 37742895 DOI: 10.1016/j.ijbiomac.2023.127047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Dry masks made of natural active ingredients that are packaged in sustainable paper and free of irritating additives (e.g. preservatives, stabilizers) are a trend in the concept of healthy skincare, which possess the advantages of portability, safety and environmental friendliness. The bioactive ingredients obtained from natural plant fermentation are gradually becoming an important alternative additive for facial skincare. Herein, a novel dry facial healthcare mask was fabricated by electrospinning incorporating natural ingredients including pullulan (Pu), sodium hyaluronate (SH), and Ganoderma lucidum fermentation (GLF). The morphology, dissolving capacity, bioactivity, and safety of the obtained masks were investigated in vitro, and their antioxidation and moisturizing activities were verified at the cellular level. The results indicated that the fibrillary films based on pullulan could be dissolved in water within 20 s with good water retention capacity and film with high concentration of GLF (Pu/SH/GLF-3) could scavenge 79 % of DPPH. The films had good ability to resist microbial contamination and non-eye irritation via observing colony growth for 12 months after ultraviolet sterilization and the ocular irritation test of chicken chorioallantoic membrane. Meanwhile, cell experiments further confirmed that they did not exhibit cytotoxicity and could increase the expression of proteins related to moisturizing and antioxidation. The fascinating films have promising application prospects in cosmetic masks. This work may enrich the use of natural materials in skincare products and provide a green development direction for the light chemical industry.
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Affiliation(s)
- Jiaqi Liu
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China
| | - Hualei Xu
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China
| | - Haiyan Liang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China.
| | - Jiachan Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China; Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, PR China
| | - Huanxiang Yuan
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China.
| | - Dan Zhao
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China; Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, PR China
| | - Changtao Wang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China; Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, PR China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, PR China
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Ngoc LTN, Moon JY, Lee YC. Plant Extract-Derived Carbon Dots as Cosmetic Ingredients. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2654. [PMID: 37836295 PMCID: PMC10574410 DOI: 10.3390/nano13192654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023]
Abstract
Plant extract-derived carbon dots (C-dots) have emerged as promising components for sustainability and natural inspiration to meet consumer demands. This review comprehensively explores the potential applications of C-dots derived from plant extracts in cosmetics. This paper discusses the synthesis methodologies for the generation of C-dots from plant precursors, including pyrolysis carbonization, chemical oxidation, hydrothermal, microwave-assisted, and ultrasonic methods. Plant extract-derived C-dots offer distinct advantages over conventional synthetic materials by taking advantage of the inherent properties of plants, such as antioxidant, anti-inflammatory, and UV protective properties. These outstanding properties are critical for novel cosmetic applications such as for controlling skin aging, the treatment of inflammatory skin conditions, and sunscreen. In conclusion, plant extract-derived C-dots combine cutting-edge nanotechnology and sustainable cosmetic innovation, presenting an opportunity to revolutionize the industry by offering enhanced properties while embracing eco-friendly practices.
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Affiliation(s)
- Le Thi Nhu Ngoc
- Department of Nano Science and Technology Convergence, Gachon University, 1342 Seongnam-Daero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Republic of Korea;
| | - Ju-Young Moon
- Major in Beauty Convergence, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Young-Chul Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Republic of Korea
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Du F, Yang LP, Wang LL. Synthetic strategies, properties and sensing application of multicolor carbon dots: recent advances and future challenges. J Mater Chem B 2023; 11:8117-8135. [PMID: 37555267 DOI: 10.1039/d3tb01329d] [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: 08/10/2023]
Abstract
Recently, carbon dots (CDs) as newly developed carbon-based nanomaterials due to advantages such as excellent photostability and easy surface functionalization have generated wide application prospects in fields such as biological imaging and chemical sensing. The multicolor emission carbon dots (M-CDs) were acquired through the selection of different carbon source precursors, change of synthesis conditions and synthesis environment. Therefore, the aim of this review is to summarize the latest research progress in polychromatic CDs from the perspectives of synthesis strategies, luminescent mechanisms, luminescent properties and applications. This review focuses on how to prepare MCDs by changing raw materials and synthesis conditions such as reaction temperature, synthesis time, synthesis pH, and synthesis solvent. This review also presents the optical properties of MCDs, concentration effects, solvent effects, pH effects, elemental doping, and surface passivation on them, as well as their creative applications in the field of sensing applications. It is anticipated that this review will serve as a guide for the development of multifunctional M-CDs and inspire future research on controllable design and preparation of M-CDs.
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Affiliation(s)
- Fangfang Du
- Postdoctoral Research Station of Basic Medicine, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Liu-Pan Yang
- Postdoctoral Research Station of Basic Medicine, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Li-Li Wang
- Postdoctoral Research Station of Basic Medicine, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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Qiu J, Zeng D, Lin Y, Ye W, Chen C, Xu Z, Hu G, Liu Y. Carbon-polymer dot-based UV absorption and fluorescence performances for heavy metal ion detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 285:121913. [PMID: 36198239 DOI: 10.1016/j.saa.2022.121913] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/14/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
In previous reports, carbon dots (CDs) were customarily used as fluorescent probes to detect heavy metal ions. However, scientists neglected to take advantage of the excellent UV absorption properties of CDs to detect heavy metal ions. Herein, we synthesized nitrogen-containing carbon polymer dots (N-CPDs) for the determination of Co2+ ions in water samples by a one-step hydrothermal method using l-histidine and ethylene imine polymer as raw materials. The N-CPDs were characterized by ultraviolet-visible spectrum (UV-vis), infrared spectrum (FT-IR), X-ray photoelectron spectrum (XPS) and transmission electron microscopy (TEM) techniques. They possess superior full-band UV absorption performance and the surface is rich in multifunctional groups such as -COOH, -CN-, -OH, etc. When Co2+ was added to N-CPDs solution, the color of the solution rapidly changed from colorless to yellow-brown, which was visible to the naked eye. The UV absorption intensity of N-CPDs changed, and the fluorescence was instantly quenched, due to the formation of chelate between Co2+ and N-CPDs, and the FRET process occurred. The detection of Co2+ showed good linearity for both fluorescence and UV absorption spectroscopy modes in the range of 0-200 μM, and the limit of detection were 1.0023 μM and 0.75 μM, respectively. These two methods have the advantages of simple operation, remarkable selectivity and small sample size, which can be applied to the field detection of Co2+ in water samples. It is possible to develop the UV absorption properties of CDs to detect the ions.
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Affiliation(s)
- Jiemin Qiu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Danhong Zeng
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Yichun Lin
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Weihao Ye
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Congcong Chen
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Zhiqiang Xu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Guangqi Hu
- College of Photoelectric Engineering, Guangdong Polytechnic Normal University, Guangzhou 510665, China.
| | - Yingliang Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
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Xia C, Li J, Qian Z, Xu F, Li Y, Zhu S, Qian HJ, Zhao C, Lu ZY, Yang B. Carbonized Polymer Dots Assemble in Proton-Conducting Channels to Enhance the Conductivity and Selectivity Simultaneously for High-Performance Fuel Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2205291. [PMID: 36635000 DOI: 10.1002/smll.202205291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Fabricating polymer electrolyte membranes (PEMs) simultaneously with high ion conductivity and selectivity has always been an ultimate goal in many membrane-integrated systems for energy conversion and storage. Constructing broader ion-conducting channels usually enables high-efficient ion conductivity while often bringing increased crossover of other ions or molecules simultaneously, resulting in decreased selectivity. Here, the ultra-small carbon dots (CDs) with the selective barriers are self-assembled within proton-conducting channels of PEMs through electrostatic interaction to enhance the proton conductivity and selectivity simultaneously. The functional CDs regulate the nanophase separation of PEMs and optimize the hydration proton network enabling higher-efficient proton transport. Meanwhile, the CDs within proton-conducting channels prevent fuel from permeating selectively due to their repelling and spatial hindrance against fuel molecules, resulting in highly enhanced selectivity. Benefiting from the improved conductivity and selectivity, the open-circuit voltage and maximum power density of the direct methanol fuel cell (DMFC) equipped with the hybrid membranes raised by 23% and 93%, respectively. This work brings new insight to optimize polymer membranes for efficient and selective transport of ions or small molecules, solving the trade-off of conductivity and selectivity.
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Affiliation(s)
- Chunlei Xia
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Jialin Li
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhao Qian
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Fengrui Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yunfeng Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Shoujun Zhu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- Joint Laboratory of Opto-Functional Theranostics in Medicine and Chemistry, The First Hospital of Jilin University, Changchun, 130021, P. R. China
| | - Hu-Jun Qian
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Chengji Zhao
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhong-Yuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- Joint Laboratory of Opto-Functional Theranostics in Medicine and Chemistry, The First Hospital of Jilin University, Changchun, 130021, P. R. China
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Wu X, Yu F, Han Y, Jiang L, Li Z, Zhu J, Xu Q, Tedesco AC, Zhang J, Bi H. Enhanced chemodynamic and photoluminescence efficiencies of Fe-O 4 coordinated carbon dots via the core-shell synergistic effect. NANOSCALE 2022; 15:376-386. [PMID: 36511884 DOI: 10.1039/d2nr05281d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In natural systems like photosynthetic organisms and photo-active enzymes, the spatial organization of chromophores is critical for efficient light harvesting and bio-catalysis. Inspired by nature, a novel modular nanoplatform with both biological imaging and therapeutic functions is constructed by taking advantage of the intrinsic core-shell structure of Fe-decorated carbon dots. Light-harvesting chromophores with deep-red photoluminescence are densely packed into the carbon core. Simultaneously, the atomically dispersed Fe3+ catalytic sites accounting for efficient conversion of H2O2 to ˙OH are discretely distributed on the shell. Precise control over their spatial distribution leads to the elegant integration and exciting interplay of the functional moieties. On the one hand, incorporating a catalysis shell enhances the emission of chromophores via synergistic shielding and rigidifying effects. On the other hand, visible light excitation of the chromophores significantly increases the catalytic activity and cytotoxicity against cancer cells, ascribed to the promotion of the charge transfer process. This nanoplatform exhibits excellent biocompatibility, bright red fluorescence, and light-regulated cytotoxicity for anti-cancer treatment, promising its applications in smart nanocatalytic medicines and efficient chemodynamic therapy.
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Affiliation(s)
- Xiaoyan Wu
- School of Materials Science and Engineering, Anhui University, Hefei 230601, China.
| | - Feng Yu
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
| | - Yifei Han
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Anhui 230026, China
| | - Lei Jiang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
| | - Zijian Li
- School of Materials Science and Engineering, Anhui University, Hefei 230601, China.
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China.
| | - Qian Xu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China.
| | - Antonio Claudio Tedesco
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering-Photobiology and Photomedicine Re-search Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ri-beirão Preto, São Paulo 14040-901, Brazil
| | - Jiangwei Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Hong Bi
- School of Materials Science and Engineering, Anhui University, Hefei 230601, China.
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Dhamodharan D, Byun HS, Varsha Shree M, Veeman D, Natrayan L, Stalin B. Carbon Nanodots: Synthesis, Mechanisms for Bio-electrical Applications. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.03.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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