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He J, Han B, Xian C, Hu Z, Fang T, Zhang Z. Hydrogen-Bond-Mediated Formation of C-N or C=N Bond during Photocatalytic Reductive Coupling Reaction over CdS Nanosheets. Angew Chem Int Ed Engl 2024; 63:e202404515. [PMID: 38637293 DOI: 10.1002/anie.202404515] [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: 03/05/2024] [Revised: 03/30/2024] [Accepted: 04/18/2024] [Indexed: 04/20/2024]
Abstract
Reductive amination of carbonyl compounds and nitro compounds represents a straightforward way to attain imines or secondary amines, but it is difficult to control the product selectivity. Herein, we report the selective formation of C-N or C=N bond readily manipulated through a solvent-induced hydrogen bond bridge, facilitating the swift photocatalytic reductive coupling process. The reductive-coupling of nitro compounds with carbonyl compounds using formic acid and sodium formate as the hydrogen donors over CdS nanosheets selectively generates imines with C=N bonds in acetonitrile solvent; while taking methanol as solvent, the C=N bonds are readily hydrogenated to the C-N bonds via hydrogen-bonding activation. Experimental and theoretical study reveals that the building of the hydrogen-bond bridge between the hydroxyl groups in methanol and the N atoms of the C=N motifs in imines facilitates the transfer of hydrogen atoms from CdS surface to the N atoms in imines upon illumination, resulting in the rapid hydrogenation of the C=N bonds to give rise to the secondary amines with C-N bonds. Our method provides a simple way to control product selectivity by altering the solvents in photocatalytic organic transformations.
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Affiliation(s)
- Jie He
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan, 430074, P. R. China
| | - Bo Han
- Sustainable Energy Laboratory, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Chensheng Xian
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan, 430074, P. R. China
| | - Zhao Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan, 430074, P. R. China
| | - Tingfeng Fang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan, 430074, P. R. China
| | - Zehui Zhang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan, 430074, P. R. China
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Chen Y, Cai F, Liu Y, Fan W, Wang J, Yin G, Ren J, Cao J, Fu Y, Chen J. Construction of BaTiO 3-TiO 2 hollow sphere heterojunctions for enhanced microwave dynamic therapy in cancer treatment. Phys Chem Chem Phys 2024; 26:14131-14139. [PMID: 38690682 DOI: 10.1039/d3cp05472a] [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: 05/02/2024]
Abstract
Cancer is one of the primary health concerns among humans due to its high incidence rate and lack of effective treatment. Currently, medical techniques to achieve the precise elimination of local cancer lesions with negligible damage to normal tissues are still intensely desired. Herein, we synthesized BaTiO3-TiO2 hollow spheres (BTHSs) for use in microwave dynamic therapy (MWDT) for cancer. Under UV irradiation, BTHSs can mediate the production of multiple reactive oxygen species (ROS), mainly 1O2, which results in a rapid photocatalytic degradation rate (97%), 1.6-fold that of commercial P25. Importantly, the ROS production process can be triggered by microwaves to effectively execute MWDT for cancer. Under microwave irradiation, BTHSs exhibit a remarkable therapeutic effect and slight cytotoxicity. In terms of mechanism, the enhanced ROS production efficiency of BTHSs can be attributed to their unique hollow structure and the formation of a type-II heterojunction by the incorporation of BaTiO3. The hollow structure increases the availability of active sites and enhances light scattering, while the BaTiO3-TiO2 heterojunction enhances the photocatalytic activity of TiO2 through charge transfer and electron-hole separation. Overall, this study provides important insights into the design and optimization of sensitizers for MWDT applications.
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Affiliation(s)
- Yaodong Chen
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Fangyu Cai
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, 150040, China
| | - Yadong Liu
- State Key Laboratory of Ultrasound in Medicine and Engineering, Institute of Ultrasound Imaging, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400010, China
| | - Wenwen Fan
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Jingjie Wang
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Guolin Yin
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Jiayi Ren
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Jingwei Cao
- Department of Ultrasonic Imaging, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Yongming Fu
- School of Physics and Electronic Engineering, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, 030006, China.
| | - Jie Chen
- Department of Infection Diseases, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
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Bai Q, Zhang Y, Cai R, Wu H, Fu H, Zhou X, Chai J, Teng X, Liu T. AMP-Coated TiO 2 Doped ZnO Nanomaterials Enhanced Antimicrobial Activity and Efficacy in Otitis Media Treatment by Elevating Hydroxyl Radical Levels. Int J Nanomedicine 2024; 19:2995-3007. [PMID: 38559446 PMCID: PMC10981428 DOI: 10.2147/ijn.s449888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/06/2024] [Indexed: 04/04/2024] Open
Abstract
Background In the past decades, antimicrobial resistance (AMR) has been a major threat to global public health. Long-term, chronic otitis media is becoming more challenging to treat, thus the novel antibiotic alternative agents are much needed. Methods ZnO@TiO2@AMP (ATZ NPs) were synthesized through a solvothermal method and subjected to comprehensive characterization. The in vitro and in vivo antibacterial effect and biocompatibility of ATZ NPs were evaluated. For the antibacterial mechanism exploration, we utilized the Electron Paramagnetic Resonance (EPR) Spectrometer to detect and analyze the hydroxyl radicals produced by ATZ NPs. Results ATZ NPs exhibited a spherical structure of 99.85 nm, the drug-loading rate for ZnO was 20.73%, and AMP within ATZ NPs was 41.86%. Notably, the Minimum Inhibitory Concentration (MIC) value of ATZ NPs against Staphylococcus aureus (S. aureus), methicillin-resistant Staphylococcus aureus (MRSA), and Streptococcus pneumoniae (S. pneumoniae) were 10 μg/mL, and Minimum Bactericidal Concentration (MBC) value of ATZ NPs against S. aureus, and S. pneumoniae were 50 μg/mL. In comparison to the model group, the treatment of otitis media with ATZ NPs significantly reduces inflammatory exudation in the middle ear cavity, with no observable damage to the tympanic membrane. Both in vivo and in vitro toxicity tests indicating the good biocompatibility of ATZ NPs. Moreover, EPR spectroscopy results highlighted the superior ability of ATZ NPs to generate hydroxyl radicals (·OH) compared to ZnO NPs. Conclusion ATZ NPs exhibited remarkable antibacterial properties both in vivo and in vitro. This innovative application of advanced ATZ NPs, bringing great promise for the treatment of otitis media.
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Affiliation(s)
- Qianyu Bai
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agriculture University, Beijing, People’s Republic of China
| | - Yichi Zhang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agriculture University, Beijing, People’s Republic of China
| | - Runqiu Cai
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agriculture University, Beijing, People’s Republic of China
| | - Haiyan Wu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agriculture University, Beijing, People’s Republic of China
| | - Huiqun Fu
- 101 Institute of the Ministry of Civil Affairs, Beijing, People’s Republic of China
| | - Xuemei Zhou
- 101 Institute of the Ministry of Civil Affairs, Beijing, People’s Republic of China
| | - Jie Chai
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, People’s Republic of China
| | - Xuepeng Teng
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, People’s Republic of China
| | - Tianlong Liu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agriculture University, Beijing, People’s Republic of China
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Si X, Zhang Y, Zhang X, Pan X, Wang F, Shao X, Yao Q, Duan W, Huang X, Su J. A Porous Carbazolic Al-MOF for Efficient Aerobic Photo-Oxidation of Sulfides into Sulfoxides under Air. Inorg Chem 2024; 63:4707-4715. [PMID: 38410082 DOI: 10.1021/acs.inorgchem.3c04359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
A robust, microporous, and photoactive aluminum-based metal-organic framework (Al-MOF, LCU-600) has been assembled by an in situ-formed [Al3O(CO2)6] trinuclear building unit and a tritopic carbazole ligand. LCU-600 shows a high water stability and permanent porosity for N2 and CO2 adsorption. Notably, the incorporation of photoresponsive carbazole moieties into LCU-600 makes it a highly efficient and recyclable photocatalyst for aerobic photo-oxidation of sulfides into sulfoxides under an air atmosphere at room temperature. Mechanism investigations unveil that photogenerated holes (h+), superoxide radical anion (O2•-), and singlet oxygen (1O2) are critical active spices for the photo-oxidation reaction performed in an air atmosphere.
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Affiliation(s)
- Xuezhen Si
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Yanjun Zhang
- Luxi Chemical Group Co., Ltd., New Chemical Materials Industrial Park, Liaocheng 252000, P. R. China
| | - Xiaoying Zhang
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Xuze Pan
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Fudong Wang
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Xiaodong Shao
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Qingxia Yao
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Wenzeng Duan
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Xianqiang Huang
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, P. R. China
| | - Jie Su
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
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Yao Q, Pan X, Si X, Wang X, Zhang X, Hou J, Su J, Qiu Y, Li J. A porous and photoactive Ti-MOF based on a novel tetranuclear [Ti 2Tb 2] cluster. Chem Commun (Camb) 2024; 60:2188-2191. [PMID: 38295378 DOI: 10.1039/d3cc06114k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
A robust and porous titanium metal-organic framework (Ti-MOF; LCU-505) has been solvothermally synthesized based on an unprecedented tetranuclear Ti2(μ3-O)2Tb2(μ2-CH3COO)2(H2O)4(OOC-)8 cluster (abbreviated as [Ti2Tb2]) and tritopic 4,4',4''-s-triazine-2,4,6-triyl-tribenzoic acid ligand (H3TATB). LCU-505 shows remarkable water stability and permanent porosity for N2 and CO2 gas adsorption. Moreover, LCU-505 demonstrates n-type semiconductor behavior and good photocatalytic activity in the degradation of organic dyes.
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Affiliation(s)
- Qingxia Yao
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Xuze Pan
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Xuezhen Si
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Xin Wang
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Xiaoying Zhang
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Jinle Hou
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
| | - Jie Su
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China.
| | - Yi Qiu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China.
| | - Jun Li
- School of Chemistry and Chemical Engineering, and Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252000, PR China.
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Cooperative photocatalysis of dye–Ti-MCM-41 with trimethylamine for selective aerobic oxidation of sulfides illuminated by blue light. J Colloid Interface Sci 2023; 630:921-930. [DOI: 10.1016/j.jcis.2022.10.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/25/2022] [Accepted: 10/13/2022] [Indexed: 11/11/2022]
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