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学者姓名:黄剑东
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Photo-responsive synergetic therapeutics achieved significant attraction in cancer theranostic due to the versatile characteristics of nanomaterials. There have been substantial efforts in developing the simplest nano-design with exceptional synergistic properties and multifunctionalities. In this work, biocompatible Ti2C MXene nano bipyramids (MNBPs) were synthesized by hydrothermal method with dual functionalities of photothermal and photodynamic therapies. The MNBPs shape was obtained from two-dimensional (2D) Ti2C nanosheets by controlling the temperature of the reaction mixture. The structure of these Ti2C MNBPs was characterized by a high-resolution transmission electron microscope, scanning electron microscope, atomic force microscope, X-ray photoelectron spectroscopy, and X-ray diffraction. The Ti2C NBPs have shown exceptional photothermal properties with increased temperature to 72.3 degree celsius under 808 nm laser irradiation. The designed nano bipyramids demonstrated excellent cellular uptake and biocompatibility. The Ti2C NBP has established a remarkable photothermal therapy (PTT) effect against 4T1 breast cancer cells. Moreover, Ti2C NBPs showed a profound response to UV light (6 mW/cm(2)) and produced reactive oxygen species, making them useful for photodynamic therapy (PDT). These in-vitro studies pave a new path to tune the properties of photo-responsive MXene nanosheets, indicating a potential use in biomedical applications.
Keyword :
breast cancer breast cancer Nano bipyramids Nano bipyramids photodynamic therapy photodynamic therapy Photo-responsive nanomaterials Photo-responsive nanomaterials photothermal therapy photothermal therapy Ti2C Ti2C
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GB/T 7714 | Ali, Israt , Chang, Li-Mei , Farheen, Jabeen et al. Facile Synthesis of Novel Ti2C Nano Bipyramids for Photothermal and Photodynamic Therapy of Breast Cancer [J]. | CHEMPLUSCHEM , 2024 , 89 (5) . |
MLA | Ali, Israt et al. "Facile Synthesis of Novel Ti2C Nano Bipyramids for Photothermal and Photodynamic Therapy of Breast Cancer" . | CHEMPLUSCHEM 89 . 5 (2024) . |
APA | Ali, Israt , Chang, Li-Mei , Farheen, Jabeen , Huang, Jiandong , Gu, Zhi-Gang . Facile Synthesis of Novel Ti2C Nano Bipyramids for Photothermal and Photodynamic Therapy of Breast Cancer . | CHEMPLUSCHEM , 2024 , 89 (5) . |
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Development of metal-organic framework (MOF) films is of great importance to expand their applications. Herein, we report a facile and universal method of liquid-phase epitaxial (LPE) layer by layer (LBL) brushing approach for fabricating MOF films on various substrates in a high-throughput fashion. This MOF films preparation method offers a great prospective to cost-effectively construct films with short preparation time and little reagent consumption. Moreover, this LBL brushing approach has been implemented successfully to assemble various MOF films, including HKUST-1, zeolitic imidazolate framework-8 (ZIF-8), Cu(bdc), and Cu2(L)2P (L = bdc, ndc, and cam; P = dabco and bipy). Afterwards, the classic MOF HKUST-1 and ZIF-8 films were grown on sensor chip electrode and porous fiber support for good volatile organic compounds (VOCs) selective sensing and water purification applications. This study demonstrates that this LBL brushing preparation method can be employed to synthesize various MOF films with a variety of characteristics to realize their sensing and separation applications.
Keyword :
film film layer by layer fabrication layer by layer fabrication metal-organic framework metal-organic framework porous materials porous materials
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GB/T 7714 | Chang, Li-Mei , Zhai, Rui , Ma, Zhi-Zhou et al. Liquid-phase epitaxial layer by layer brushing fabrication of metal-organic frameworks films [J]. | NANO RESEARCH , 2024 . |
MLA | Chang, Li-Mei et al. "Liquid-phase epitaxial layer by layer brushing fabrication of metal-organic frameworks films" . | NANO RESEARCH (2024) . |
APA | Chang, Li-Mei , Zhai, Rui , Ma, Zhi-Zhou , Huang, Jian-Dong , Gu, Zhi-Gang , Zhang, Jian . Liquid-phase epitaxial layer by layer brushing fabrication of metal-organic frameworks films . | NANO RESEARCH , 2024 . |
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Phthalocyanines (Pcs) are considered promising in cancer phototherapy. However, their maximum absorption wavelengths are only around 700 nm, which cannot allow deep tissue penetration and leads to poor therapeutic efficacy. To expand their clinical application, significantly shifting their absorption to longer wavelengths is urgently required. Dye J-aggregates exhibit a redshifted absorption relative to its monomer. However, Pc J-aggregates with enormous-redshifted and intense absorption is rarely reported, and little is known about the relationships between Pc structure and J-aggregation. Herein, such Pc J-aggregates are ingeniously conceived. With a yeast β-D-glucan-ursodeoxycholic acid conjugate as a potential tumor-associated macrophages (TAMs)-targeting carrier and 1-(4-carboxyethylphenoxy) zinc (II) phthalocyanine (Pc1) as a model, Pc1 J-aggregate nanoparticle (NanoPc1) is obtained via ultrasonication-aided emulsification-solvent evaporation technique. NanoPc1 displays strong absorption at 830 nm, with a 156 nm redshift. Further investigation on another twenty-four Pcs demonstrates that unsubstituted zinc (II) or magnesium (II) Pc and hydrophobic mono-substituted zinc (II) or magnesium (II) Pcs with mono-substituted phenoxy or phenylthio or naphthoxy as a substituent can readily form desired Pc J-aggregates with significant redshifts (140–165 nm). The other Pcs fail to form expected J-aggregates probably due to absence of central metals, steric hindrance on central metals (atoms), forming axial coordination on central metals, disorder tendency during self-assembly or hydrophilicity. The theoretical calculation indicates that Pc1 in its J-aggregates exhibits a spiral-like arrangement, and the reduction in the energy gap between HOMO and LUMO and variation of intermolecular π-π interaction caused by J-aggregate formation are responsible for the huge redshift. Additionally, using NanoPc1 as an exemplar, such Pc J-aggregate nanoparticles are substantiated to afford TAMs-targeted and efficient tri-modal imaging and photothermal therapy in a H22 mouse model. © 2024 Elsevier B.V.
Keyword :
J-aggregate J-aggregate Large redshift Large redshift Multimodal phototheranostics Multimodal phototheranostics Phthalocyanine Phthalocyanine Yeast glucan Yeast glucan
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GB/T 7714 | Tang, F. , Yu, H. , Huang, Y. et al. Phthalocyanine J-aggregate nanoparticles with enormous-redshifted and intense absorption: Potential structure-J-aggregation relationships and application in tumor-associated macrophages-targeted phototheranostics [J]. | Chemical Engineering Journal , 2024 , 496 . |
MLA | Tang, F. et al. "Phthalocyanine J-aggregate nanoparticles with enormous-redshifted and intense absorption: Potential structure-J-aggregation relationships and application in tumor-associated macrophages-targeted phototheranostics" . | Chemical Engineering Journal 496 (2024) . |
APA | Tang, F. , Yu, H. , Huang, Y. , Zhao, X. , Chen, Z. , Ma, H. et al. Phthalocyanine J-aggregate nanoparticles with enormous-redshifted and intense absorption: Potential structure-J-aggregation relationships and application in tumor-associated macrophages-targeted phototheranostics . | Chemical Engineering Journal , 2024 , 496 . |
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With a view to developing highly efficient photosensitizers for photodynamic therapy, herein, we prepared a series of tetra-substituted zinc(II) phthalocyanine analogues (ZPOP, ZPSP, ZPNP, and ZPNPM) modified with O-, S-, and N-bridging substituents, respectively. Compared to O- and S-bridging analogues, the N-bridging phthalocyanines showed eminent red-shifted Q band absorption (750-780 nm) and excellent reactive oxygen species (ROS) generation ability (Phi Delta = 0.90-0.97), due to the HOMO destabilization, as well as the smaller Delta EST. To improve the hydrophility and biocompatibility, we further prepared two N-bridging zinc(II) phthalocyanines (ZPN1 and ZPN2) modified with morpholine and N,N-dimethylamine moieties, respectively, along with their quaternized counterparts (QZPN1 and QZPN2). These compounds exhibited NIR-absorbing Q bands at 774-777 nm and efficient ROS generation ability in aqueous solutions, especially formulated with 1 % Cremophor EL (Cel). In vitro studies indicated that ZPN2 exhibited the highest photodynamic activity against HepG2 cells (IC50 = 0.44 +/- 0.02 mu M), because of superior cellular uptake and moderate ROS generation ability. Moreover, ZPN2 could selectively accumulate and retain in tumor tissue of H22 tumor-bearing mice. The work presents a new strategy for the development of NIR-absorbing photosensitizers.
Keyword :
N -bridging phthalocyanine N -bridging phthalocyanine Near-infrared Near-infrared Photodynamic therapy Photodynamic therapy Reactive oxygen species Reactive oxygen species
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GB/T 7714 | Ke, Mei-Rong , Wang, Chao , He, Qinxue et al. N-bridging tetra-substituted zinc(II) phthalocyanines with Q-band absorption up to 780 nm and eminent photosensitizing activities for photodynamic therapy [J]. | DYES AND PIGMENTS , 2024 , 227 . |
MLA | Ke, Mei-Rong et al. "N-bridging tetra-substituted zinc(II) phthalocyanines with Q-band absorption up to 780 nm and eminent photosensitizing activities for photodynamic therapy" . | DYES AND PIGMENTS 227 (2024) . |
APA | Ke, Mei-Rong , Wang, Chao , He, Qinxue , Que, Rongbin , Wei, Ying , Zheng, Bi-Yuan et al. N-bridging tetra-substituted zinc(II) phthalocyanines with Q-band absorption up to 780 nm and eminent photosensitizing activities for photodynamic therapy . | DYES AND PIGMENTS , 2024 , 227 . |
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Although specific responsive theranostics biomaterials were essencial for precision medicine, the univariate responsive strategy was restricted by high false-positive rates. Herein, we designed a novel phthalocyanine-iron-based complex FeS2@PcD, as a theranostics nanoreactor, which was program-regulated by bivariate factors of H+ and H2O2 in tumor microenvironment (TME). We found that FeS2@PcD had the excellent capability of tumor fluorescence imaging (FLI), with a 52.21-fold increase in fluorescence signal by the programmable response, while the signal of the univariate factor was almost unchanged. We also revealed that FeS2@PcD reacted with H+ to release PcD and produced Fe2+, then Fe2+ was further oxidized by H2O2 to produce Fe3+, finally recovering the fluorescence of PcD whose fluorescence activity was significantly suppressed due to the photoinduced electron transfer (PET) effect. Notably, except for fluorescence signal, magnetic resonance (MR) signal and sonosensitive activity of FeS2@PcD also changed from "OFF" state to "ON" state under the programmable regulation of H+ and H2O2. The program-regulated strategy based on FeS2@PcD realized specific fluorescence and MR dual-modality imaging-guided sono/chemodynamic therapies, representing a promising precision medicine approach.
Keyword :
Dual -modality imaging Dual -modality imaging Programmable -regulation Programmable -regulation Sonosensitization Sonosensitization Specific Fe 3+-response Specific Fe 3+-response Tumor microenvironment Tumor microenvironment
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GB/T 7714 | Li, Dong , Pan, Jie , Xu, Shuyu et al. Programmable phthalocyanine-iron-based nanoreactor for fluorescence/ magnetic resonance dual-modality imaging-guided sono/ chemodynamic therapies [J]. | CHEMICAL ENGINEERING JOURNAL , 2023 , 452 . |
MLA | Li, Dong et al. "Programmable phthalocyanine-iron-based nanoreactor for fluorescence/ magnetic resonance dual-modality imaging-guided sono/ chemodynamic therapies" . | CHEMICAL ENGINEERING JOURNAL 452 (2023) . |
APA | Li, Dong , Pan, Jie , Xu, Shuyu , Cheng, Bingwei , Wu, Shuaiying , Dai, Qixuan et al. Programmable phthalocyanine-iron-based nanoreactor for fluorescence/ magnetic resonance dual-modality imaging-guided sono/ chemodynamic therapies . | CHEMICAL ENGINEERING JOURNAL , 2023 , 452 . |
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A series of alpha-tetra-substituted phthalocyanines (M = 2H, Cu, Co, Ni) with morpholinyl moieties and their corresponding quaternized derivatives have been synthesized. The spectroscopic and photosensitizing properties, photothermal effects, aggregation trend, and partition coefficients of these phthalocyanines are evaluated. Besides, we appraised their photothermal and photodynamic activities against C. albicans and E. coli under nearinfrared (NIR) light irradiation (680 nm). The results show that cationic phthalocyanines are more efficacies in killing bacteria and fungi than their neutral analogues. For copper (II) phthalocyanine 4b and metal-free phthalocyanine 7b, their photodynamic activities play a key role in antimicrobial treatment, while for other phthalocyanines, their photothermal effects play a major role. Moreover, metal-free phthalocyanine 7b exhibits an ideal synergistic photothermal/photodynamic antimicrobial activity and shows the highest photocytotoxicity among all the compounds. The IC90 values of 7b towards C. albicans and E. coli are as low as 1.12 mu M and 0.47 mu M, respectively, while others have IC90 values ranging from 3.31 mu M to 50 mu M, implying that 7b would be a good candidate for future antimicrobial applications.
Keyword :
albicans albicans C C coli coli E E Morpholinyl Morpholinyl photodynamic antimicrobial photodynamic antimicrobial Photothermal Photothermal Phthalocyanine Phthalocyanine therapy therapy
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GB/T 7714 | Fan, Ping-Ping , Li, Shun-Li , Zheng, Bi-Yuan et al. Synthesis and photothermal/photodynamic antimicrobial activities of phthalocyanines tetra-substituted by morpholinyl moieties [J]. | DYES AND PIGMENTS , 2023 , 212 . |
MLA | Fan, Ping-Ping et al. "Synthesis and photothermal/photodynamic antimicrobial activities of phthalocyanines tetra-substituted by morpholinyl moieties" . | DYES AND PIGMENTS 212 (2023) . |
APA | Fan, Ping-Ping , Li, Shun-Li , Zheng, Bi-Yuan , Zheng, Bing-De , Lv, Li-Li , Ke, Mei-Rong et al. Synthesis and photothermal/photodynamic antimicrobial activities of phthalocyanines tetra-substituted by morpholinyl moieties . | DYES AND PIGMENTS , 2023 , 212 . |
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Phthalocyanines are potentially promising photosensitizers (PSs) for photodynamic therapy (PDT), but the inherent defects such as aggregation-caused quenching effects and non-specific toxicity severely hinder their further application in PDT. Herein, we synthesized two zinc(II) phthalocyanines (PcSA and PcOA) monosubstituted with a sulphonate group in the alpha position with "O bridge" and "S bridge" as bonds and prepared a liposomal nanophotosensitizer (PcSA@Lip) by thin-film hydration method to regulate the aggregation of PcSA in the aqueous solution and enhance its tumor targeting ability. PcSA@Lip exhibited highly efficient production of superoxide radical (O-2(center dot-)) and singlet oxygen (O-1(2)) in water under light irradiation, which were 2.6-fold and 15.4-fold higher than those of free PcSA, respectively. Furthermore, PcSA@Lip was able to accumulate selectively in tumors after intravenous injection with the fluorescence intensity ratio of tumors to livers was 4.1:1. The significant tumor inhibition effects resulted in a 98% tumor inhibition rate after PcSA@Lip was injected intravenously at an ultra-low PcSA@Lip dose (0.8 nmol g(-1) PcSA) and light dose (30 J cm(-2)). Therefore, the liposomal PcSA@Lip is a prospective nanophotosensitizer possessing hybrid type I and type II photoreactions with efficient photodynamic anticancer effects.
Keyword :
anticancer anticancer fluorescence imaging fluorescence imaging liposome liposome photodynamic therapy photodynamic therapy phthalocyanine phthalocyanine
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GB/T 7714 | Chen, Zixuan , Zhao, Yuan-Yuan , Li, Li et al. A Sulfur-Bridging Sulfonate-Modified Zinc(II) Phthalocyanine Nanoliposome Possessing Hybrid Type I and Type II Photoreactions with Efficient Photodynamic Anticancer Effects [J]. | MOLECULES , 2023 , 28 (5) . |
MLA | Chen, Zixuan et al. "A Sulfur-Bridging Sulfonate-Modified Zinc(II) Phthalocyanine Nanoliposome Possessing Hybrid Type I and Type II Photoreactions with Efficient Photodynamic Anticancer Effects" . | MOLECULES 28 . 5 (2023) . |
APA | Chen, Zixuan , Zhao, Yuan-Yuan , Li, Li , Li, Ziqing , Fu, Shuwen , Xu, Yihui et al. A Sulfur-Bridging Sulfonate-Modified Zinc(II) Phthalocyanine Nanoliposome Possessing Hybrid Type I and Type II Photoreactions with Efficient Photodynamic Anticancer Effects . | MOLECULES , 2023 , 28 (5) . |
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In order to reduce the intramolecular charge-transfer (ICT) effect of amine groups on the photophysical properties of zinc (II) phthalocyanine (ZnPc), tertiary amines were covalently connected with ZnPc ring via ethyl phydroxybenzoate or diethyl 5-hydroxyisophthalate. Six new tertiary amine-modified ZnPcs were therefore synthesized and characterized. Meanwhile, the corresponding quaternary ammonium ZnPcs were also synthesized. The effects of different substitution ways (mono-substitutions, symmetrical tetra-substitutions, or asymmetric tetra-substitutions) and the numbers of different substitutions on the photophysical and physicochemical properties of these ZnPcs were studied. All twelve ZnPcs had relatively high singlet oxygen quantum yields (& phi;& UDelta; = 0.32-0.68) and fluorescence quantum yields (& phi;F = 0.23-0.40), where the amine-containing substituents did not show obvious ICT effect. All ZnPcs showed effective phototoxicity towards breast cancer cells (IC50 = 63-366 nmol/L). Among them, three tetra-substituted ZnPcs containing quaternary ammonium groups (4aN, 4bN and 4cN) showed the best in vitro anticancer photodynamic activities with IC50 = 64-76 nmol/L, which owned to their relatively high cellular uptake. The tumor inhibition rate of 4aN on H22 tumor-bearing mice reached 87% (4aN dose: 3 nmol/g; light dose: 685 nm, 135 J/cm2).
Keyword :
Cancer Cancer Photodynamic therapy Photodynamic therapy Photosensitizer Photosensitizer Phthalocyanine Phthalocyanine Structure-activity relationship Structure-activity relationship
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GB/T 7714 | Zhang, Ling , Zhao, Yuan-Yuan , Chen, Zi-Xuan et al. Synthesis, characterization and photodynamic antitumor activity of amine-modified zinc (II) phthalocyanines [J]. | DYES AND PIGMENTS , 2023 , 218 . |
MLA | Zhang, Ling et al. "Synthesis, characterization and photodynamic antitumor activity of amine-modified zinc (II) phthalocyanines" . | DYES AND PIGMENTS 218 (2023) . |
APA | Zhang, Ling , Zhao, Yuan-Yuan , Chen, Zi-Xuan , Cheng, Yun-Tong , Zheng, Bi-Yuan , Ke, Mei-Rong et al. Synthesis, characterization and photodynamic antitumor activity of amine-modified zinc (II) phthalocyanines . | DYES AND PIGMENTS , 2023 , 218 . |
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Unlike traditional methods of modifying phthalocyanines (Pcs), we herein report a smart and visible way to switch the aromaticity of silicon(iv) phthalocyanines via a reversible nucleophilic addition reaction of the Pc skeleton induced by alkalis and acids, leading to an interesting allochroism phenomenon and the switching of photosensitive activities.
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GB/T 7714 | Ke, Mei-Rong , Chen, Zixuan , Shi, Jie et al. A smart and visible way to switch the aromaticity of silicon(iv) phthalocyanines [J]. | CHEMICAL COMMUNICATIONS , 2023 , 59 (65) : 9832-9835 . |
MLA | Ke, Mei-Rong et al. "A smart and visible way to switch the aromaticity of silicon(iv) phthalocyanines" . | CHEMICAL COMMUNICATIONS 59 . 65 (2023) : 9832-9835 . |
APA | Ke, Mei-Rong , Chen, Zixuan , Shi, Jie , Wei, Ying , Liu, Hao , Huang, Shuping et al. A smart and visible way to switch the aromaticity of silicon(iv) phthalocyanines . | CHEMICAL COMMUNICATIONS , 2023 , 59 (65) , 9832-9835 . |
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Only rarely have polyoxometalates been found to form core-shell nanoclusters. Here, we succeeded in isolating a series of rare giant and all-inorganic core-shell cobalt polyoxoniobates (Co-PONbs) with diverse shapes, nuclearities and original topologies, including 50-nuclearity {Co12Nb38O132}, 54-nuclearity {Co20Nb34O128}, 62-nuclearity {Co26Nb36O140} and 87-nuclearity {Co33Nb54O188}. They are the largest Co-PONbs and also the polyoxometalates containing the greatest number of Co ions and the largest cobalt clusters known thus far. These molecular Co-PONbs have intriguing and atomically precise core-shell architectures comprising unique cobalt oxide cores and niobate oxide shells. In particular, the encapsulated cobalt oxide cores with different nuclearities have identical compositions, structures and mixed-valence Co3+/Co2+ states as the different sized Co-O moieties of the bulk cubic-spinel Co3O4, suggesting that they can serve as various molecular models of the cubic-spinel Co3O4. The successful construction of the series of the Co-PONbs reveals a feasible and versatile synthetic method for making rare core-shell heterometallic PONbs. Further, these new-type core-shell bimetal species are promising cluster molecular catalysts for visible-light-driven CO2 reduction.
Keyword :
CO2 Reduction CO2 Reduction Cobalt Cobalt Core-Shell Core-Shell High-Nuclearity High-Nuclearity Polyoxoniobate Polyoxoniobate
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GB/T 7714 | Guo, Zheng-Wei , Lin, Ling-Hui , Ye, Jian-Ping et al. Core-Shell-Type All-Inorganic Heterometallic Nanoclusters: Record High-Nuclearity Cobalt Polyoxoniobates for Visible-Light-Driven Photocatalytic CO2 Reduction [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (26) . |
MLA | Guo, Zheng-Wei et al. "Core-Shell-Type All-Inorganic Heterometallic Nanoclusters: Record High-Nuclearity Cobalt Polyoxoniobates for Visible-Light-Driven Photocatalytic CO2 Reduction" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 62 . 26 (2023) . |
APA | Guo, Zheng-Wei , Lin, Ling-Hui , Ye, Jian-Ping , Chen, Yi , Li, Xin-Xiong , Lin, Sen et al. Core-Shell-Type All-Inorganic Heterometallic Nanoclusters: Record High-Nuclearity Cobalt Polyoxoniobates for Visible-Light-Driven Photocatalytic CO2 Reduction . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (26) . |
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