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Co-delivery of enzymes and photosensitizers via metal-phenolic network capsules for enhanced photodynamic therapy

Chinese Chemical Letters 2022年第4期33卷 1917-1922页

作者： Qian Wang Zhiliang Gao Kaijie Zhao Peiyu Zhang Qi-Zhi Zhong Qun Yu Shumei Zhai Jiwei Cui Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education School of Chemistry and Chemical EngineeringShandong UniversityJi’nan 250100China ARC Centre of Excellence in Convergent Bio-Nano Science and Technology and the Department of Chemical EngineeringThe University of MelbourneParkvilleVIC 3010United States State Key Laboratory of Microbial Technology Shandong UniversityQingdao 266237China

The intrinsic hypoxic tumor microenvironment and limited accumulation of photosensitizers(PSs) result in unsatisfied efficiency of photodynamic therapy(PDT).To enhance the PDT efficiency against solid tumors,a functional oxygen self-supplying and PS-delivering nanosystem is fabricated via the combination of catalase(CAT),chlorin e6(Ce6) and metal-phenolic network(MPN) *** is demonstrated that the CAT encapsulated in the capsules(named CCM capsules) could catalyze the degradation of hydrogen peroxide(H;O;) to produce molecular oxygen(O;),which could be converted into cytotoxicity reactive oxygen species(ROS) by surface-loaded Ce6 under 660 nm laser irradiation,leading to synergistic anticancer effects in vitro and in ***,the application of CCM capsule could be a promising strategy to improve PDT effectiveness.

关键词： Metal-phenolic network(MPN) Photodynamic therapy(PDT) Capsule Oxygen self-supply Drug delivery

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Dual-sized macro-micro porous biodegradable Zn-Mg- β -TCP scaffolds for bone defect repair: In vitro and in vivo evaluation

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Journal of Materials science & Technology 2026年 242卷 317-329页

作者： Kang Wang Zexin Liu Lin Liu Tiantian Wang Kun Chen Runhua Yao Ruiqiang Hang Xiaohong Yao Shanxi Key Laboratory of Biomedical Metal Materials College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China Key Laboratory of Interface Science and Engineering in Advanced Materials Ministry of Education Taiyuan University of Technology Taiyuan 030024 China

Zinc-based materials have been extensively researched as biodegradable bone repair materials in recent years, but their low degradation rate and limited bioactivity need to be further improved. In this study, a new-type dual-sized macro-micro porous Zinc-Magnesium-β-tricalcium phosphate (DMMP Zn-Mg-β-TCP) scaffolds were designed and fabricated by vacuum heating-press sintering. The mechanical properties, degradation behaviors, in vitro biocompatibility, in vivo osteogenesis, and biological safety of the scaffolds were systematically evaluated. The results show that DMMP Zn-Mg-β-TCP has suitable mechanical properties, degradation properties, and excellent osteogenic properties. The compressive yield strength range of the scaffolds is 12.90–25.46 MPa, and the elastic modulus range is 0.31–0.44 GPa, meeting the mechanical properties required for implant materials in cancellous bone. In vitro degradation tests showed that the corrosion rate of the scaffolds ranges from 2.25 to 2.61 mm/y. Furthermore, the scaffolds exhibited excellent in vitro cell compatibility. After a 24-week animal experiment, the scaffold demonstrated excellent osteogenic capacity during bone healing, while maintaining biomechanical stability throughout its degradation process. In summary, the DMMP Zn-Mg-β-TCP has the potential to become a novel biodegradable bone implant material.

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How the electron-deficient Cp ligand facilitates Rh-catalyzed annulations with alkynes

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Organic Chemistry Frontiers 2022年第4期9卷 979-988页

作者： Han Gao Lingfei Hu Yanlei Hu Xiangying Lv Yan-BoWu Gang Lu School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface ChemistryMinistry of EducationShandong UniversityJinanShandong 250100China Key Lab for Materials of Energy Conversion and Storage of Shanxi Province and Key Lab of Chemical Biology and Molecular Engineering of Ministry of Education Institute of Molecular ScienceShanxi UniversityTaiyuanShanxi 030006China

The mechanism and origin of the Cp^(X) ligand effects on Rh-catalyzed annulations with alkynes were inves-tigated using DFT calculations and the approach of energy decomposition analysis(EDA).The results reveal that the alkyne migratory insertion is the rate-determining step for the reactions with both acetanilide and 2-phenyl-2-propanol substrates.

关键词： catalyzed deficient insertion

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In-situ synthesis,microstructure,and properties of NbB_(2)-NbC-Al_(2)O_(3)composite coatings by plasma spraying

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Journal of Advanced Ceramics 2022年第8期11卷 1263-1278页

作者： Xiaolong WANG Yong YANG Shitong JIA Yanwei WANG Yuduo MA Yuhang CUI Xingyu WANG Wenwei SUN Liang WANG Key Lab.for New Type of Functional Materials in Hebei Province School of Materials Science and EngineeringState Key Laboratory of Reliability and Intelligence of Electrical EquipmentTianjin Key Laboratory of Materials Laminating Fabrication and Interface Control TechnologyHebei University of TechnologyTianjin 300401China Integrated Computational Materials Research Centre Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 201899China

The high melting point and strong chemical bonding of NbB_(2)pose a great challenge to the preparation of high-density nanostructured NbB_(2)composite ***,we report a novel,simple,and efficient method to fabricate in-situ NbB_(2)–NbC–Al_(2)O_(3)composite coating by plasma spraying Nb_(2)O_(5)–B_(4)C–Al composite powder,aiming at realizing the higher densification and ultra-fine microstructure of NbB_(2)composite *** microstructure and properties of in-situ NbB_(2)–NbC–Al_(2)O_(3)composite coating were studied comparatively with ex-situ NbB_(2)–NbC–Al_(2)O_(3)composite coating(plasma spraying NbB_(2)–NbC–Al_(2)O_(3)composite powder).The reaction mechanism of Nb_(2)O_(5)–B_(4)C–Al composite powder in plasma jet was analyzed in *** results showed that the in-situ nanostructured NbB_(2)–NbC–Al_(2)O_(3)composite coating presented a lower porosity and superior performance including higher microhardness,toughness and wear resistance compared to the plasma sprayed ex-situ NbB_(2)–NbC–Al_(2)O_(3)coating and other boride composite *** of the in-situ NbB_(2)–NbC–Al_(2)O_(3)coating was attributed to the low melting point of Nb_(2)O_(5)–B_(4)C–Al composite powder and the exothermic effect of in-situ *** superior performance was ascribed to the density improvement and the strengthening and toughening effect of the nanosized *** in-situ reaction path could be expressed as:Nb_(2)O_(5)+Al®Nb+Al_(2)O_(3),and Nb+B_(4)C®NbB_(2)+NbC.

关键词： NbB_(2)-NbC-Al_(2)O_(3)composite coating plasma spray in-situ synthesis Nb_(2)O_(5)-B_(4)C-Al system

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Recent Progress of Circularly Polarized Luminescence Materials from Chinese Perspectives

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CCS Chemistry 2023年第12期5卷 2760-2789页

作者： Xuefeng Yang Xiaoqing Gao You-Xuan Zheng Hua Kuang Chuan-Feng Chen Minghua Liu Pengfei Duan Zhiyong Tang CAS Key Laboratory of Nanosystem and Hierarchical Fabrication National Center for Nanoscience and Technology(NCNST)Beijing 100190 Wenzhou Key Laboratory of Biophysics Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang 325000 State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023 International Joint Research Laboratory for Biointerface and Biodetection State Key Lab of Food Science and TechnologySchool of Food Science and TechnologyJiangnan UniversityWuxi 214122 Beijing National Laboratory of Molecular Sciences and CAS Key Laboratory of Colloid Interface and ThermodynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190

The research on circularly polarized luminescence(CPL)has garnered significant attention in recent years due to its many potential *** aspect of this research involves the pursuit of chiral materials that posess both high luminescence efficiency and dissymmetry *** investigation of CPL behavior is of paramount importance because the structural information of chiral luminescent systems in the excited state can be *** objective of this review is to offer a comprehensive overview of the latest advancements in the CPL research field,with a particular focus on the development of chiral emissive materials,including organic,inorganic,and hybrid ***,this review outlines the recent applications of these materials in areas such as displays,photoelectric devices,anticounterfeiting measures,and ***,we highlight the primary challenges and potential prospects of CPL *** aspiration is that this endeavor will contribute new perspectives and insights that further advancements in related research fields.

关键词： circularly polarized luminescence circularly polarized electroluminescence circular dichroism optoelectronic materials excited-state chirality chirality

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Emerging polymeric biomaterials and manufacturing techniques in regenerative medicine

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Aggregate 2022年第5期3卷 59-81页

作者： Dan Xia Jiatian Chen Zhongyang Zhang Mingdong Dong Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology School of Materials Science and EngineeringHebei University of TechnologyTianjinChina Interdisciplinary Nanoscience Center(iNANO) Aarhus UniversityAarhusDenmark

The current demand for patients’organ and tissue repair and regeneration is continually increasing,where autologous or allograft is the golden standard treatment in the ***,due to the shortage of donors,mismatched size and modality,functional loss of the donor region,possible immune rejection,and so forth,the application of auto-/allo-grafts is frequently hindered in many *** order to solve these problems,artificial constructs structurally and functionally imitating the extracellular matrix have been developed as substitutes to promoting cell attachment,proliferation,and differentiation,and ultimately forming functional tissues or organs for better tissue ***,polymeric materials have been widely utilized in regenerative medicine because of their ease of manufacturing,flexibility,biocompatibility,as well as good mechanical,chemical,and thermal *** review presents a comprehensive overview of a variety of polymeric materials,their fabrication methods as well applications in regenerative ***,we discussed the future challenges and perspectives in the development and clinical transformation of polymeric biomaterials.

关键词： polymeric biomaterials utilized

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Twinning induced remarkable strain hardening in a novel Fe_(50)Mn_(20)Cr_(20)Ni_(10) medium entropy alloy

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Journal of Iron and Steel Research International 2021年第11期28卷 1463-1470页

作者： Ming-jie Qin Xi Jin Min Zhang Hui-jun Yang Jun-wei Qiao College of Materials Science and Engineering Taiyuan University of TechnologyTaiyuan 030024ShanxiChina Key Laboratory of Interface Science and Engineering in Advanced Materials Ministry of EducationTaiyuan University of TechnologyTaiyuan 030024ShanxiChina State Key Laboratory of Explosion Science and Technology Beijing Institute of TechnologyBeijing 100081China

The microstructures and tension properties of Fe_(50)Mn_(20)Cr_(20)Ni_(10) medium entropy alloy(MEA)were investigated,which was produced by vacuum induction melting and subsequently was homogenized at 1200 C for 6 *** characterization shows the single-phase solid solution with face-centered cubic structure by means of transmission electron microscopy and scanning electron microscopy combined with energy disperse *** Fe-MEA has an ultimate tensile strength of 550±10 MPa and a high strain hardening exponent,n,of 0.41 as well as a higher ductility(60%)than those of CrMnFeCoNi *** single-phase solid solution deforms plastically via dislocations and *** boundaries associated with deformation twinning impede dislocation motion,enhancing the strain hardening *** article focuses on the insights into the concept of Fe-MEAs and provides a potential direction for the future development of high entropy alloys and MEAs.

关键词： Medium entropy alloy Alloy design Labusch model Twinning induced plasticity Strain hardening

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Multifunctional Peptide-Melanin Hybrid Nanodots with Robust Anti-Cutaneous Photoaging Activity

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Journal of Analysis and Testing 2024年第3期8卷 395-401页

作者： Peizhe Li Qiming Zhu Baozhu Wang Shanshan He Qi Xu Kaiyan Li Yongmiao Shen Miao Su Zhijun Zhang Key Laboratory of Surface&Interface Science of Polymer Materials of Zhejiang Province School of Chemistry and Chemical EngineeringZhejiang Sci-Tech UniversityHangzhou310018China College of Textile Science and Engineering(International Silk Institute) Zhejiang Sci-Tech UniversityHangzhou310018China Shanghai Beautyart Biotechnology Co. LtdShanghai200438China Shengzhou Innovation Research Institute of Zhejiang Sci-Tech University Shengzhou312400China

Skin aging is a systematic and complex process,mainly including intrinsic aging caused by time change and extrinsic aging caused by environmental *** caused by ultraviolet(UV)irradiation is the principle extrinsic factor of skin aging,which can directly or indirectly cause damage to DNA and other biomolecules,generate reactive oxygen species(ROS),and induce a decrease in collagen synthesis and other adverse ***,to address the causative factors and multiple side effects of skin photoaging,we constructed multifunctional peptide-melanin hybrid nanodots(PMHDs)to achieve multifaceted synergistic anti-skin aging by using melanin-like nanodots(MDs)and functional peptides as active *** them,the peptide has the activity of promoting collagen synthesis,while the MDs have the function of absorbing UV light and scavenging free ***,the MDs also act as a carrier to increase the cellular uptake of the *** anti-photoaging effects of the PMHDs were systematically verified in a multidimensional manner at the biochemical,cellular and small animal levels,respectively.

关键词： aging Skin ultraviolet

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Bionic microchannels for step lifting transpiration

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International Journal of Extreme Manufacturing 2023年第2期5卷 244-252页

作者： Zhaolong Wang Qiu Yin Ziheng Zhan Wenhao Li Mingzhu Xie Huigao Duan Ping Cheng Ce Zhang Yongping Chen Zhichao Dong Interdisciplinary Research Center of Low-carbon Technology and Equipment College of Mechanical and Vehicle EngineeringHunan UniversityChangsha 410082People’s Republic of China MOE Key Laboratory for Power Machinery and Engineering School of Mechanical EngineeringShanghai Jiao Tong UniversityShanghai 200240People’s Republic of China Qian Xuesen Laboratory of Space Technology China Academy of Space Technology(CAST)Beijing 100094People’s Republic of China Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application School of Environmental Science and EngineeringSuzhou University of Science and TechnologySuzhouJiangsu 215009People’s Republic of China Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education School of Energy and EnvironmentSoutheast UniversityNanjing 210096People’s Republic of China Chinese Academy of Sciences Key Laboratory of Bio-inspired Materials and Interface Sciences Technical Institute of Physics and ChemistryChinese Academy of Sciences100190 BeijingPeople’s Republic of China

Those various cross-sectional vessels in trees transfer water to as high as 100 meters,but the traditional fabrication methods limit the manufacturing of those vessels,resulting in the non-availability of those bionic ***,we fabricate those bionic microchannels with various cross-sections by employing projection micro-stereolithography(PμSL)based 3D printing *** circumradius of bionic microchannels(pentagonal,square,triangle,and five-pointed star)can be as small as 100μm with precisely fabricated sharp ***'s more,those bionic microchannels demonstrate marvelous microfluidic performance with strong precursor effects enabled by their sharp *** significantly,those special properties of our bionic microchannels enable them outstanding step lifting performance to transport water to tens of millimeters,though the water can only be transported to at most 20 mm for a single bionic *** mimicked transpiration based on the step lifting of water from bionic microchannels is also *** precisely fabricated,low-cost,various cross-sectional bionic microchannels promise applications as microfluidic chips,long-distance unpowered water transportation,step lifting,mimicked transpiration,and so on.

关键词： bionic microchannel microfluidics water transportation step lifting 3D printing

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Anisotropy study of the microstructure and properties of AlCoCrFeNi2.1 eutectic high entropy alloy additively manufactured by selective laser melting

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Journal of Materials science & Technology 2022年第34期129卷 228-239页

作者： Liwei Lan Wenxian Wang Zeqin Cui Xiaohu Hao Dong Qiu College of Materials Science and Engineering Taiyuan University of TechnologyTaiyuan 030024China Key Laboratory of Interface Science and Engineering in Advanced Materials Taiyuan University of TechnologyMinistry of EducationTaiyuan 030024China Shanxi-Zhejiang University New Materials and Chemical Research Institute Taiyuan 030024China Centre for Additive Manufacturing School of EngineeringRMIT UniversityMelbourneVictoria 3001Australia

The AlCoCrFeNi2.1 eutectic high-entropy alloy(EHEA) was prepared by selective laser melting(SLM), focusing on the anisotropy of microstructure and mechanical performance. The AlCoCrFeNi2.1 EHEA printed by SLM has face-centered cubic(FCC) and body-centered cubic(BCC)/B2 phases, and the FCC phase accumulates at the boundary of the molten pool. With the increase in volumetric energy density(VED), the content of the FCC phase parallel to the surface in the direction of the building increases from 30.9% to 41%. The X–Z plane mainly produces columnar crystals along the temperature gradient, while a large number of equiaxed crystals are produced in the X–Y direction. When the volume energy density is 157 k J/mol(VED 157), the average grain size is 1.33 μm for BCC and 1.14 μm for FCC, which is significantly smaller than other preparation methods. Due to defect distribution and size, the microhardness of the X–Y plane is generally higher than that of the X–Z plane, with maximum hardnesses of 660 HV and 655 HV, respectively, which is much higher than those of traditionally manufactured *** compression performance of SLM process AlCoCrFeNi2.1 EHEAs shows maximum yield strength of 1567 MPa, and the ultimate compressive strength can reach 3276 MPa.

关键词： Selective laser melting High-entropy alloys Anisotropy Metallurgical defects Microstructure evolution

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