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Photothermally accelerated self-healing poly(urethane-urea)coating reinforced by mesoporous polydopamine modified MXene towards intelligent corrosion protection 认领 引用
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作者 Wei Wang Dezhi Jiao +3 位作者 Lan Cao Chengbao Liu Li Cheng Kangqing Deng 《Nano Materials Science》 EI CAS CSCD 2026年第4期953-968,共16页
The efficient healing rate for self-healing anticorrosion coatings plays an essential role on resisting rapidly developed corrosion and providing sufficient protection properties.The anticorrosion poly(urethane-urea)(... The efficient healing rate for self-healing anticorrosion coatings plays an essential role on resisting rapidly developed corrosion and providing sufficient protection properties.The anticorrosion poly(urethane-urea)(PU)coatings reinforced by mesoporous polydopamine modified Ti3C2TxMXene(MPDA/Ti3C2Tx)were constructed.MPDA/Ti3C2Txwas embedded to offer hierarchically interfacial interactions through microscopic hydrogen bonding in PU chains-PDA molecules,and mesoscopic engaging effects originated from PU matrix anchoring interface mesopores.Hydrogen and disulfide bonds are co-incorporated into PU for producing room-temperature self-healing ability.What's more,the photothermal conversion capability of MPDA/Ti3C2Txendows PU coating with greatly accelerated self-healing rate to resist corrosion expansion.The healed coating exhibited promising stability in simulated seawater after 47 d,proving the practicality and feasibility in protection application of marine facilities. 展开更多
关键词 MXene Photothermal response Self-healing Mesoporous polydopamine Poly(urethane-urea) Corrosion protection
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pH/Glutathione Dual-stimuli-responsive Poly(acrylic acid)-coated Hollow Mesoporous Organosilica Nanospheres for Smart Pesticide Delivery 认领 引用
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作者 Peng Xu Jia-Wei Bao +3 位作者 Qun Li Wei-Shan Shi Gang Xing Lei Yu 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2026年第1期162-172,I0014,共11页
Smart pesticide delivery systems based on stimuli-responsive nanocarriers have attracted considerable attention because of their potential to enhance pesticide efficiency while reducing environmental risks.In this stu... Smart pesticide delivery systems based on stimuli-responsive nanocarriers have attracted considerable attention because of their potential to enhance pesticide efficiency while reducing environmental risks.In this study,a novel p H/glutathione dual-responsive pesticide delivery system was constructed through the synthesis of disulfide-bridged hollow mesoporous organosilica nanospheres(HMONs)via the St??ber method,followed by poly(acrylic acid)(PAA)coating through distillation-precipitation polymerization to form HMONs@PAA nanocomposites.The resulting abamectin-loaded system(Abamectin-HMONs@PAA)demonstrated a 12.73% pesticide loading capacity and significantly improved photostability,retaining twice as much active ingredient as free abamectin after 250 h of UV irradiation(36 W).Release studies revealed p H-and glutathione-dependent characteristics,with cumulative releases in acidic conditions exceeding those in neutral and alkaline environments by 18.66% and 40.98%,respectively,and a 14.2% increase in glutathione-containing solution(0.2 mmol·L-1 in 70% ethanol)after 97 h.Bioassays showed superior performance against Plutella xylostella,with a 13.33% reduction in survival rate compared to conventional suspension at equivalent dosage(40 mg·L-1),while maintaining efficacy after extensive rainfall simulation(20 events over 10 days).This study provides a promising approach for developing environmentally responsive nanopesticides with enhanced durability and controlled-release properties,offering significant potential for sustainable crop protection. 展开更多
关键词 Mesoporous Organosilic Poly(acrylic acid) Distillation precipitation polymerization Glutathione
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Bionic Design of Copper-doped Mesoporous Silica with Enhanced Hydrogel Mechanical Properties and its Promising Application in Bone-defect Regeneration 认领 引用
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作者 Han Yang Ya Fang +9 位作者 Jiaming Cui Xueheng Sun Tianchang Wang Liang Feng Hao Yang Changru Zhang Bide Xu Xiaojun Zhou Jinwu Wang Xudong Wang 《Journal of Bionic Engineering》 SCIE EI CSCD 2026年第1期311-325,共15页
Treating bone defects complicated by bacterial infections remains a significant clinical challenge.Drawing inspiration from the human body's bone repair mechanisms,the use of biomimetic methods to design tissue en... Treating bone defects complicated by bacterial infections remains a significant clinical challenge.Drawing inspiration from the human body's bone repair mechanisms,the use of biomimetic methods to design tissue engineering scaffolds is of great significance for bone repair.This study synthesized copper(Cu)-doped mesoporous silica nanoparticles(Cu@MSN)modified with hydroxyethyl methacrylate to obtain methacrylated Cu@MSN(Cu@MSNMA).Furtheremore,bio-mimetic nanocomposite hydrogels were prepared by adding Cu@MSNMA to a GelMA/gelatin solution.This hydrogel achieves multi-modal bone tissue biomimicry:(ⅰ)GelMA/gelatin mimics the matrix components in bone ECM,ensuring biocompatibility while promoting cellular behavior(such as adhesion,proliferation,and differentiation);(ⅱ)GelMA/gela-tin and the crosslinking sites introduced by Cu@MSNMA form a stable porous network structure,achieving structural and mechanical biomimicry to provide necessary support for bone defects;(ⅲ)The elemental biomimicry of Si and Cu in Cu@MSNMA achieves efficient osteogenic induction.The effect of different proportions of Cu@MSNMA on the physi-cal properties of the composite hydrogels was investigated to determine the optimal proportion.The results indicated that the mechanical properties of hydrogel were enhanced with the increasing Cu@MSNMA mass ratio.Notably,5%NPs/GelMA/gelatin hydrogel exhibited excellent mechanical property compared to the GelMA/gelatin hydrogel.In vitro and vivo cellular experiments demonstrated a significant enhancement in antibacterial and osteogenic induction with Cu@MSNMA addition.In conclusion,the proposed nanocomposite hydrogel with biomimetic components and ion-regulating properties can serve as a multifunctional scaffold,offering antimicrobial properties for infected bone regeneration,and guide for future research in bone regeneration and three-dimensional printing. 展开更多
关键词 Bone defect repair Methacrylated gelatin Copper-doped mesoporous silica nanoparticles Bionic strategy Bone tissue engineering
Mesoporous N-rich carbon nanospheres regulating high dispersion of red phosphorus for sodium-ion batteries 认领 引用
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作者 Hongyi Zhang Wenda Li +7 位作者 Hao Luo Lingyan Huang Facai Wei Shanzhe Ke Liguo Ma Chengbin Jing Jiangong Cheng Shaohua Liu 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第2期606-610,共5页
The intrinsic insulation and drastic volume change of the red phosphorus during the 3-electron alloying process greatly limits its widespread applications in sodium-ion batteries.Here,we report a monomicelle-directed ... The intrinsic insulation and drastic volume change of the red phosphorus during the 3-electron alloying process greatly limits its widespread applications in sodium-ion batteries.Here,we report a monomicelle-directed assembly approach for controllable synthesis of monodispersed mesoporous polypyrrole(PPy)nanospheres,which allows for the shape-preserving conversion into N-doped carbon with regular mesoscopic pore and high surface area,thus affording a high dispersion of red phosphorus during melt impregnation process due to the available diffusion apertures and strong molecular chemical anchoring.Moreover,the theoretical calculations further revealed that positively polarized pyridine N atoms in N-doped mesoporous carbon nanospheres can empower comprehensive regulation of red phosphorus adsorption by strong chemical binding.Benefitting from the above advantages,the resultant red phosphorus host for sodium-ion batteries delivered an outstanding reversible capacity of 856 mAh/g with a capacity fading rate of only 0.025%per cycle during 1000 cycles at 1.0 A/g.This work provides an effective approach based on monomicelle-directed assembly engineering of carbon-based phosphorus hosts for advanced energy conversion and storage systems. 展开更多
关键词 Mesoporous materials N-doped carbon nanospheres Monomicelle-directed assembly Phosphorus hosts Sodium-ion batteries
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One-pot synthesis of mesoporous NiCe/Al2O3catalysts for enhanced carbon dioxide methanation performance 认领 引用
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作者 Yanyan Feng Yongge Liu +2 位作者 Xinglian Yu Juanjuan Liu Wen Yang 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2026年第2期135-145,共11页
The hydrogenation of carbon dioxide(CO2)to methane(CH4)has become an effective strategy for reducing greenhouse gas emissions due to its high efficiencyand low cost,and ordered mesoporous materials have received... The hydrogenation of carbon dioxide(CO2)to methane(CH4)has become an effective strategy for reducing greenhouse gas emissions due to its high efficiencyand low cost,and ordered mesoporous materials have received considerable interest in CO2methanation applications because of their large specificsurface area and well-ordered pore structure.Herein,a series of the Ce-modifiedordered mesoporous catalysts(NiCe/Al2O3)were prepared through a one-pot approach,and the influenceof Ce doping on the morphology and structure of the catalysts as well as the CO2methanation performance were investigated in detail.The XRD and TEM data revealed that the introduction of Ce could effectively lower the particle size of Ni active components and advance the dispersion of Ni species.The H2-TPR profilesdemonstrated that Ce doping facilitated the catalyst's reduction by greatly decreasing its reduction temperature.In addition,the CO2-TPD and XPS data indicated that the incorporation of Ce provided sufficientbasic sites for CO2activation and adsorption,and the oxygen vacancies of the Cedoped Ni-based catalysts were significantlyenhanced.Obviously,the catalyst 30Ni10Ce/Al2O3achieved the outstanding catalytic performance,achieving CO2conversion of 90.7%and CH4 selectivity of 99.8% at 375℃,and even after 60 h of continuous reaction,it still maintained the stable catalytic activity,which suggested that the Ce-doped Ni-based catalysts can offer significantpromising applications in CO2methanation. 展开更多
关键词 CO2methanation Ni-based catalyst Mesoporous Al2O3 Ce doping Oxygen vacancy
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Boosting CO2-mediated aromatic cycle via mesoporous design in propane aromatization catalysis 认领 引用
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作者 Luyuan Yang Yitao Yang +5 位作者 Min Yang Yucai Qin Xiaoxin Zhang Saeed Soltanali Jian Liu Weiyu Song 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 2026年第5期226-235,共10页
Understanding how structure regulates reaction pathways is critical for the rational design of propane(C3H8)-coupled CO2 aromatization(PCA)catalysts.Here,alkaline treatments precisely tuned zeolite pore size(3.8→8... Understanding how structure regulates reaction pathways is critical for the rational design of propane(C3H8)-coupled CO2 aromatization(PCA)catalysts.Here,alkaline treatments precisely tuned zeolite pore size(3.8→8.9Å)and Al distribution,boosting benzene,toluene,and xylene selectivity from 18%(Ga-T-ZSM-5)to 57%(Ga/M-ZSM-5).Mechanistic studies,including 13CO2 isotope tracing,mass spectrometry,pulse reactions,and in-situ Fourier transformed infrared confirmed that this reaction follows a dual-cycle hydrocarbon pool mechanism.Critically,CO2 was inserted into the hydrocarbon pool,generating oxygenated intermediates that underwent dehydration and cyclization to form aromatic intermediate species,thereby accelerating the aromatic cycle.The intensified aromatic cycle generated bulky polycyclic aromatics that may obstruct micropores under diffusion-limited conditions.Introducing mesopores alleviated such accumulation by facilitating rapid molecular transport of these high-carbon species.The synergy between the CO2-mediated hydrocarbon pool pathway and mesopore-enhanced diffusion of aromatic intermediates significantly boosted aromatic selectivity.This interplay provides fundamental insights for future catalyst design.©2026,Dalian Institute of Chemical Physics,Chinese Academy of Sciences. 展开更多
关键词 Alkaline treatments Mesoporous structure Aromatic cycle CO2synergy Mass transfe
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Mesoporous Hollow Carbon Spheres/Nanofibers Anchored With Conductive Bimetallic for Efficient Microwave Absorption 认领 引用 被引量：1
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作者 Wei-Lian Zhang Shuang Xu +8 位作者 Xia Li Ya-Hui Yin Cheng-Long Sun Zi-Long Yu Chun Zhao Di Lan Zi-Rui Jia Guang-Lei Wu Xian-Zhen Xu 《Rare Metals》 SCIE EI CAS CSCD 2026年第2期236-252,共17页
To break electromagnetic wave absorption(EMA)tech's single-attenuation bottleneck,enhancing multi-wave absorption synergy in composites is key for microstructure design.This study uses mesoporous hollow carbon sph... To break electromagnetic wave absorption(EMA)tech's single-attenuation bottleneck,enhancing multi-wave absorption synergy in composites is key for microstructure design.This study uses mesoporous hollow carbon spheres to make metal nanospheres with cobalt,iron,and nickel nanoparticles,then encapsulates them via electrospinning into a unique carbon shell-cavity-core fiber structure.It is light,low-density,and defect-rich.The numerous heterogeneous interfaces embedded in carbon fiber endow it with excellent conductivity and high specific surface area.Based on this,the three-dimensional conductive network further optimizes the transmission loss path of incident electromagnetic waves.Thanks to the effective cooperative of multiple absorption mechanisms,the NiFe2O4@PCHMs/CF composite material achieves an of-50.05 d B,and its maximum effective absorption bandwidth(EABmax)reaches 7.68 GHz at a thickness of 7.2 mm.This outstanding performance far exceeds that of the NiCo@PCHMs/CF and CoFe2O4@PCHMs/CF fiber samples.This study not only explores the potential applications of electrospinning materials,but also provides new insights for the optimization design of electromagnetic wave(EMW)absorbing materials. 展开更多
关键词 3D conductive network electrostatic spinning mesoporous hollow structure microwave absorption
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Hollow mesoporous Prussian blue nanozymes with intrinsic self-chromogenicity and photothermal amplification as a pH-adaptive dual-modal biosensor for one-step glucose monitoring 认领 引用
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作者 Mingyue Luo Xin Xue +5 位作者 Kehui Zhang Honghong Rao Baodui Wang Zhentong Zhu Jinhai Fan Zhonghua Xue 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第3期435-440,共6页
Traditional enzyme-nanozymes cascade assays for glucose detection are usually limited by p H incompatibility and operational complexity.Herein,we present a strategy based on hollow mesoporous Prussian blue(HMPB) nanoz... Traditional enzyme-nanozymes cascade assays for glucose detection are usually limited by p H incompatibility and operational complexity.Herein,we present a strategy based on hollow mesoporous Prussian blue(HMPB) nanozymes for one-step,dual-modal glucose sensing under neutral conditions.The rationally designed HMPB nanozymes exhibit intrinsic peroxidase-like activity at physiological pH(~7.4),inherent chromogenic properties and superior photothermal conversion efficiency.These features directly enable integration with glucose oxidase(GOx) for one-step glucose detection without intermediate p H adjustment.Additionally,the catalytic coupling of 4-aminoantipyrine/phenol oxidation products,enhanced by the intrinsic blue coloration of HMPB,generates vivid multicolorimetric responses for smartphone-based quantitative analysis.To enhance signal reliability,the photothermal properties of HMPB nanozymes are further ingeniously coupled with the thermal-responsive characteristics of oxidized3,3,5,5-tetramethylbenzidine(ox TMB),establishing a dual-amplified thermal imaging platform through portable infrared thermal imager detection.HMPB nanozymes serve as both a catalytic activator and an intrinsic signal reporter,establish a new platform in dual-modal glucose monitoring.The platform demonstrates remarkable clinical adaptability through its smartphone-compatible colorimetric readout and portable thermal imaging capabilities,achieving a detection limit of 1.39 μmol/L(multicolorimetric modal) and 3.05 μmol/L(photothermometric modal) for glucose with robust reliability in human serum samples.This research overcomes the p H mismatch barrier in enzyme-nanozymes cascade system,and providing a cost-effective,instrument-flexible detection strategy that bridges laboratory research and point-of-care diagnostics. 展开更多
关键词 Hollow mesoporous Prussian blue nanozymes Multicolorimetric modal Photothermometric modal Enzyme-nanozymes cascade assays One-step detection
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Development of biodegradable triple-stimuli-responsive mesoporous organosilica nanocarriers for targeted pesticide delivery and enhanced plant immunity in rice disease management 认领 引用
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作者 Yuchen Song Sijin Wang +7 位作者 Yuehong Du Zhenyu Li Yumeng Yuan Yihan Chen Wanwan Wang Hongqiang Dong Zhongyang Huo You Liang 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2026年第6期2496-2509,共14页
The development of novel stimuli-responsive pesticide delivery systems is a highly effective strategy for improving pesticide utilization efficiency while minimizing environmental risks.A p H-,glutathione-,and chitina... The development of novel stimuli-responsive pesticide delivery systems is a highly effective strategy for improving pesticide utilization efficiency while minimizing environmental risks.A p H-,glutathione-,and chitinase-responsive pesticide delivery system(PYR@MONs-COS)was designed by conjugating chitosan oligosaccharide(COS)with biodegradable disulfide bond-bridged mesoporous silica nanoparticles(MONs)loaded with pyraclostrobin(PYR).The loading capacity of PYR in the nanoparticles was approximately 13.6%.The covalent attachment of COS to the modified MONs could effectively protect the active ingredient from photodegradation and prevent premature release of PYR.During the infection process,physiological and biochemical changes at the infection site,including reduced p H values,increased glutathione levels,and enhanced chitinase activity,facilitated the rapid degradation of disulfide bonds and COS in PYR@MONs-COS,resulting in the rapid release of PYR.Furthermore,PYR@MONs-COS significantly enhanced the foliar penetration of PYR,improved the adhesion of pesticide droplets,and stimulated callose deposition in rice leaves,thereby enhancing rice immunity.In antifungal activity assays,PYR@MONs-COS exhibited superior efficacy and prolonged efficacy against Magnaporthe oryzae compared to PYR microcapsules in both in vitro and in vivo experiments.The phytotoxicity assessment indicated that PYR@MONs-COS was safe for rice plants.More importantly,PYR@MONsCOS demonstrated a 7.3-fold reduction in acute toxicity to zebrafish compared to PYR technical.Therefore,the triplestimuli pesticide delivery system has great potential for rice disease management and provides a promising pathway for the development of sustainable agriculture. 展开更多
关键词 mesoporous organosilica nanoparticles stimuli-responsive pesticide delivery chitosan oligosaccharide rice disease management plant immunity
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Nanoemulsion-assisted assembly and polymerization towards core-shell magnetic mesoporous melamine-formaldehyde resin microspheres 认领 引用
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作者 Jiarong Li Shude Liu +5 位作者 Yuanzhao Xie Yue Sun Zhuyu Liu Meihua Chen Yaobang Li Yonghui Deng 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第4期268-273,共6页
Core-shell magnetic polymer microspheres with mesoporous organic shells hold immense potential in diverse applications,encompassing adsorption,separation,delivery/immobilization of guest molecules in catalysis and con... Core-shell magnetic polymer microspheres with mesoporous organic shells hold immense potential in diverse applications,encompassing adsorption,separation,delivery/immobilization of guest molecules in catalysis and controlled drug release.Herein,magnetic mesoporous melamine-formaldehyde resin microspheres(Fe3O4@SiO2@mMF)are constructed via a nanoemulsion-assisted interfacial co-assembly and polymerization strategy,using Pluronic F127 as a template agent and soluble melamine-formaldehyde(MF)oligomer as the precursor.The resulting microspheres possess radially oriented mesopores,superparamagnetic properties,and abundant N-containing active sites(nitrogen content:15.02 wt%).The assynthesized Fe3O4@SiO2@mMF microspheres as ideal catalyst supports,exhibit exceptional loading capacity for phosphotungstic acid(PTA).The as-formed Fe3O4@SiO2@mMF/PTA composites demonstrate not only good catalytic performance in the esterification reaction of n-butanol and acetic acid with a high conversion of 92%(to acetic acid)but also excellent antimicrobial performance against Staphylococcus aureus and Escherichia coli with viabilities of 11.58%and 7.35%,respectively. 展开更多
关键词 Core-shell structure Magnetic mesoporous materials Melamine-formaldehyde resin Esterification catalysis Antibacterial materials
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Pd@PtNiCoRuIr core-shell high-entropy alloys mesoporous nanospheres for temporally decoupled ammonia splitting by a Zn-NH3 battery 认领 引用
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作者 Cuiping Lin Chenchen Wang +7 位作者 Shaoqi Li Qi Shen Xiaodong Yang Zengsheng Guo Haiming Feng Cuncheng Li Yiqing Sun Lifeng Hang 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第1期722-728,共7页
Conversion of ammonia into hydrogen,a crucial pathway for the hydrogen economy,is severely constrained by the intricacy of the required equipment and the low efficiency.Herein,Pd@Pt Ni Co Ru Ir coreshell mesoporous bi... Conversion of ammonia into hydrogen,a crucial pathway for the hydrogen economy,is severely constrained by the intricacy of the required equipment and the low efficiency.Herein,Pd@Pt Ni Co Ru Ir coreshell mesoporous bifunctional electrocatalysts were fabricated via a one-step wet-chemical reduction approach.By utilizing the limiting effect of triblock copolymers,gradient distribution control of six metal elements(Pd core and Pt/Ni/Co/Ru/Ir high-entropy alloys shell) was achieved,where the high-entropy alloy shell forms high-density active sites through lattice distortion effect.With the help of lattice distortion and mesoporous-confinement-enabled interfacial coupling effects,Pd@Pt Ni Co Ru Ir catalyst exhibited exceptional bifunctional performance in alkaline media:A low hydrogen evolution reaction(HER) overpotential of 30.5 m V at 10 m A/cm2 and a high ammonia oxidation reaction(AOR) peak current density of 19.6 m A/cm2 at 0.7 V vs.RHE,representing a 3.83-fold enhancement over commercial Pt/C.Moreover,a rechargeable Zn-NH3 battery system was constructed and achieved 92.3 % Faradaic efficiency(FE) for NH3-to-H2 conversion with outstanding stability at 16 m A/cm2,thereby providing an innovative solution for efficient ammonia decomposition-based hydrogen production. 展开更多
关键词 Lattice distortion High entropy alloy Mesoporous architectures Core-shell configurations Zn-NH3battery
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In situ Loaded Nanoscale Red Phosphorus on Mesoporous Silica for Simultaneously Improved Flame Retardancy and Toughness of Epoxy Composites 认领 引用
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作者 Di Zhang Meng-Di Shao +1 位作者 Xin Wang Zhou Gui 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2026年第3期719-732,I0011,共14页
Nanoscale red phosphorus(NRP)was synthesized via a phosphorus-amine dissolution method and immobilized onto mesoporous silica nanospheres(MSNs)to obtain hybrid NRP@MSN particles with improved dispersion stability.Epox... Nanoscale red phosphorus(NRP)was synthesized via a phosphorus-amine dissolution method and immobilized onto mesoporous silica nanospheres(MSNs)to obtain hybrid NRP@MSN particles with improved dispersion stability.Epoxy resin(EP)composites containing 2 wt%fillers were prepared to evaluate their thermal and flame-retardant behaviors.Compared with EP,the NRP@MSNs/EP composite significantly enhanced fire safety,resulting in a 52.8%reduction in the peak heat release rate,a 13.9%decrease in total smoke production,and a 165%increase in char yield.Mechanical testing revealed a notable toughening effect under impact loading.The improved flame retardancy originates from the combined nano-barrier effect of MSNs and the catalytic charring and radical-quenching functions of NRP.This work demonstrates an efficient strategy for stabilizing NRP and highlights its strong potential as an environmentally friendly flame retardant for EP systems. 展开更多
关键词 Epoxy resin Nanoscale red phosphorus Mesoporous silica Hybrid flame retardant Fire safety
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Study on the preparation of carboxyl-functionalized ordered mesoporous silica and its adsorption performance for Cu(Ⅱ) 认领 引用
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作者 LIU Yang LIN Muyao +2 位作者 YANG Shuyuan ZHANG Yibo HU Jianglei 《分子科学学报》 CAS 2026年第2期16-22,共7页
SBA-15 shows great potential as a carrier for heavy metal adsorbents.However,the lack of effective adsorption active sites on its surface limits its further application in the field of adsorption.To address this issue... SBA-15 shows great potential as a carrier for heavy metal adsorbents.However,the lack of effective adsorption active sites on its surface limits its further application in the field of adsorption.To address this issue,3-phosphonopropionic acid was used as a functionalizing reagent to prepare carboxyl-functionalized SBA-15(denoted as SBA-15C and SBA-15C-g)via one-step cocondensation as well as post-grafting modification,respectively.The results showed that the carboxyl-functionalized SBA-15 retained an ordered two-dimensional hexagonal mesoporous structure,and the surface of the SBA-15 was successfully functionalized with carboxyl groups.SBA-15,SBA-15C-2 and SBA-15C-g were used as adsorbents to study their adsorption performance on Cu(Ⅱ)in solution.Under the optimized conditions,the adsorption capacity of Cu(Ⅱ)by SBA-15,SBA-15C-2 and SBA-15C-g reached 30.4,65.7 and 44.9 mg·g−1,respectively.Adsorption kinetics and isotherm analysis indicated that the adsorption of Cu(Ⅱ)onto the three materials was better described by the pseudo-second-order kinetic model and the Langmuir adsorption isotherm model.In addition,SBA-15C-2 maintained a high adsorption capacity of Cu(Ⅱ)after five cycles.These results provide a theoretical basis for the carboxyl functionalization modification and practical application of SBA-15. 展开更多
关键词 mesoporous materials SBA-15 adsorption carboxyl-functionalization Cu(Ⅱ)
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Engineered mesoporous carbon spheres with tailored pore structures for improved photothermal-chemotherapy 认领 引用
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作者 Liu Pengxiang Du Juan +1 位作者 Chen Aibing Hou Senlin 《新型炭材料（中英文）》 SCIE EI CSCD 北大核心 2026年第1期222-233,I0041-I0057,共12页
Carbon-based materials have gained significant attention in anticancer treatment because of their exceptional biocompatibility,yet critical challenges persist in establishing definitive correlations between their poro... Carbon-based materials have gained significant attention in anticancer treatment because of their exceptional biocompatibility,yet critical challenges persist in establishing definitive correlations between their porous structures and functional performance.We report the use of a silica template to guide pore formation in the design of mesoporous carbon spheres(mC)with tailored pore structures for improved combined photothermal-chemotherapy.The mesopore size of mC has been adjusted by kinetic control of the resin polymerization and silica hydrolysis.Structural characterization showed that 4.4 nm mesopores enabled an exceptional gemcitabine loading of 228 mg g−1 and a sustained pHhermal dual-responsive release with>70%drug release under near-infrared(NIR)irradiation.Finite element analysis demonstrated pore size-dependent heat transfer dynamics,with the improved mC achieving a superior photothermal conversion efficiency of 62%by a combination of N-doping and defect engineering.In vitro evaluations confirmed outstanding biocompatibility with>95%cell viability at 200μg mL−1 and potent tumor suppression in pancreatic and biliary cancer models with an~5%cell viability at 25μg mL−1 where combined therapy showed a 3.7-fold increased cytotoxicity over monotherapy.The improved structure of mC facilitated cascade therapeutic effects with enhanced tumor permeability derived from NIR-triggered hyperthermia and prolonged therapeutic exposure due to pH-responsive drug release.This pore engineering strategy establishes a structure-function process for next-generation theranostic platforms,addressing the critical limitations of conventional pancreatic and biliary cancer therapies through spatiotemporal control of multimodal treatment. 展开更多
关键词 Mesoporous carbon spheres Pore architectures Photothermal Drug delivery system Chemotherapy
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Uniform single-crystal mesoporous metal-organic frameworks with tunable architectures 认领 引用 被引量：1
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作者 Xin Chen Zaiwang Zhao Yujuan Zhao 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2025年第9期5-7,共3页
As a class of crystalline porous materials,metal-organic frameworks(MOFs)have shown unique advantages in the fields of catalysis,gas storage and separation,but their inherent microporous structure(pore diameter<2 n... As a class of crystalline porous materials,metal-organic frameworks(MOFs)have shown unique advantages in the fields of catalysis,gas storage and separation,but their inherent microporous structure(pore diameter<2 nm)severely limits their application in scenarios such as macromolecular mass transfer and so on.In order to overcome this re-striction,mesoporous MOFs(meso-MOFs)with a larger aperture(2-50 nm)have attracted much attention due to their potential applications in biological macromolecular catalysis,energy storage and other fields.To date,how to accurately regulate its mesopore topology and pore ordering still faces important technical challenges. 展开更多
关键词 uniform single crystal mesoporous metal organic frameworks meso MOFs pore ordering biological macromolecular catalysisene crystalline porous materialsmetal organic mesoporous metal organic frameworks macromolecular mass transfer pore topology
Nitrogen-doped lignin mesoporous carbon/nickel/oxide nanocomposites with excellent lithium storage properties 认领 引用 被引量：16
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作者 Ping-Xian Feng Qi-Liang Chen +1 位作者 Dong-Jie Yang Huan Wang 《Rare Metals》 SCIE EI CAS CSCD 2025年第2期889-900,共12页
Developing high-capacity carbon-based anode materials is crucial for enhancing the performance of lithium-ion batteries(LIBs).In this study,we presented a nitrogen-doped lignin mesoporous carbonickelickel oxide(NHMC/N... Developing high-capacity carbon-based anode materials is crucial for enhancing the performance of lithium-ion batteries(LIBs).In this study,we presented a nitrogen-doped lignin mesoporous carbonickelickel oxide(NHMC/Ni/NiO)nanocomposite for developing high-capacity LIBs anode materials through carbonization and selective etching strategies.The synthesized NMHC/Ni/NiO-0.33 composite exhibited a highly regular microstructure with well-dispersed Ni/NiO particles.The composite had a surface area of 408 m2·g−1,a mesopore ratio of 75.0%,and a pyridine–nitrogen ratio of 58.9%.The introduction of nitrogen atoms reduced the disordered structure of lignin mesoporous carbon and enhanced its electrical conductivity,thus improving the lithium storage capabilities of the composite.Following 100 cycles at a current density of 0.2 A·g−1,the composite demonstrated enhanced Coulomb efficiency and rate performance,achieving a specific discharge capacity of 1230.9 mAh·g−1.At a high-current density of 1 A·g−1,the composite exhibited an excellent specific discharge capacity of 714.6 mAh·g−1.This study presents an innovative method for synthesizing high-performance anode materials of LIBs. 展开更多
关键词 Nitrogen-doped Lignin mesoporous carbon Carbonickelickel oxide Lithium-ion batteries
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Hydroxy-α-sanshool-loaded adipose-targeted mesoporous silica nanoparticles induce white adipose browning and reduce obesity by activating TRPV1 认领 引用 被引量：2
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作者 Qing Zhang Chengxun He +5 位作者 Juan Guo Dandan Tang Die Qian Chuan Zheng Chunjie Wu Wei Peng 《Bio-Design and Manufacturing》 SCIE EI CAS CSCD 2025年第2期288-309,I0005-I0011,共22页
Obesity has become a global threat to health;however,the available drugs for treating obesity are limited.We investigated the anti-obesity effect of hydroxy-α-sanshool(HAS),an amide derived from the fruit of Zanthoxy... Obesity has become a global threat to health;however,the available drugs for treating obesity are limited.We investigated the anti-obesity effect of hydroxy-α-sanshool(HAS),an amide derived from the fruit of Zanthoxylum bungeanum,which promotes the management of obesity by triggering the browning of white adipose tissue(WAT)targeting the membrane receptor of transient receptor potential vanilloid 1(TRPV1).However,HAS easily undergoes configuration transformation and oxidative degradation.The short peptide CKGGRAKDC or adipose-targeting sequence(ATS)binds specifically to prohibitin on the surface of WAT cells and can be used as recognition assembly to enhance adipocyte targetability.Furthermore,mesoporous silica nanoparticles(MSNs)are widely used in drug delivery systems because of their large specific surface area and pore volume.Therefore,HAS-loaded adipose-targeted MSNs(MSNs-ATS)were developed to enhance the adipocyte targetability,safety,and efficacy of HAS,and tested on mature 3T3-L1 cells and obese mouse models.MSNs-ATS showed higher specificity for adipocyte targetability without obvious toxicity.HAS-loaded MSNs-ATS showed anti-obesity effects superior to those of HAS alone.In conclusion,we successfully developed adipocyte-targeted,HAS-loaded MSNs with good safety and anti-obesity effects. 展开更多
关键词 Hydroxy-α-sanshool Adipocyte targetability Mesoporous silica nanoparticles White adipose tissue browning Obesity
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A controllable one-step millisecond synthesis of nanocrystalline mesoporous MgO with template-free by gliding arc plasma for efficient photocatalytic degradation of organic compounds 认领 引用 被引量：1
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作者 Siyuan Zhang Xiaosong Li +5 位作者 Kexin Li Liang Ma Hainig Liu Shengting Li Mingzhe Dong Xiushen Ye 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2025年第27期195-204,共10页
1.Introduction Magnesium oxide(MgO)has attracted considerable attention in recent years due to its economic viability,excellent biocompatibil-ity,chemical stability,and non-toxic,odorless nature[1,2].These inherent pr... 1.Introduction Magnesium oxide(MgO)has attracted considerable attention in recent years due to its economic viability,excellent biocompatibil-ity,chemical stability,and non-toxic,odorless nature[1,2].These inherent properties position it as a promising candidate for various applications. 展开更多
关键词 nanocrystalline magnesium oxide photocatalytic degradation gliding arc plasma organic compounds mesoporous template free magnesium oxide mgo
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Ultrahigh specific surface area mesoporous perovskite oxide nanosheets with rare-earth-enhanced lattice oxygen participation for superior water oxidation 认领 引用 被引量：1
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作者 Biao Wang Xiangrui Wu +9 位作者 Suyue Jia Jiayi Tang Hao Wu Xuan Wang Shengyong Gao Hao Li Haijiao Lu Gengtao Fu Xiangkang Meng Shaochun Tang 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2025年第24期255-261,共7页
Perovskite oxides(ABO3)are thought to be promising electrocatalysts for oxygen evolution reaction(OER),but their specific surface area(SSA)is too low(usually<10 m2 g−1).Developing advanced ABO3 electroc... Perovskite oxides(ABO3)are thought to be promising electrocatalysts for oxygen evolution reaction(OER),but their specific surface area(SSA)is too low(usually<10 m2 g−1).Developing advanced ABO3 electrocatalysts with high SSA and optimized structure is of great significance but remains a tremendous challenge.Herein,we propose a general strategy for fabrication of mesoporous perovskite oxide nanosheets(MPONs)with controllable atomic doping via self-sacrificial template-induced nanostructure modulation.A variety of MPONs including LaFeO3,A-site-doped LaFeO3(A-LaFeO3,where A is Pr,Nd,Sm,Eu,or Gd)and B-site-doped LaFeO3(B-LaFeO3,where B is Mn,Co,Ni,Cu,or Zn)have been achieved.Interestingly,it is discovered that the catalytic activities of A-LaFeO3 MPONs as OER catalysts are overall higher than those of B-LaFeO3 ones.Especially,the screened Eu-LaFeO3 MPONs only require a low overpotential of 267 mV at 10 mA cm−2,outperforming most reported perovskite oxides.The superior catalytic activity of Eu-LaFeO3 MPONs is attributed to their favorable porous structure,which increases the density of active sites,and enhanced lattice oxygen participation,which improves the intrinsic activity.This study provides guidance for the design and controlled synthesis of advanced rare-earth-doped MPONs with ultrahigh SSA for enhanced electrocatalysis. 展开更多
关键词 Mesoporous Perovskite oxides Rare-earth doping Oxygen evolution reaction Electrocatalysts
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Eco-friendly synthesis coupled with predictive analytics:Developing hierarchical lignin-derived ordered mesoporous carbon for advanced supercapacitors 认领 引用 被引量：1
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作者 Xiaolan Zhao Xiaoqi Wang +5 位作者 Pei Gao Peng Zhao Jingjing Wang Yingna Li Zhibin Han Boxiong Shen 《Green Energy & Environment》 SCIE EI CAS CSCD 2025年第6期1256-1269,共14页
Hierarchical lignin-derived ordered mesoporous carbon(HOMC)was significant for advanced supercapacitors.However,achieving controllable fabrication and optimizing electrochemical behavior were challenging.In this work,... Hierarchical lignin-derived ordered mesoporous carbon(HOMC)was significant for advanced supercapacitors.However,achieving controllable fabrication and optimizing electrochemical behavior were challenging.In this work,an eco-friendly HOMC was synthesized using lignin as carbon precursors and Zn2+as cross-linking and pore-forming agents,followed by KHCO3activation,eliminating the need for toxic phenolic resins and acid treatments for metal removal.Machine learning technology,specifically an Artificial Neural Network(ANN model,was utilized to assist the experimental design and prediction.The ANN model suggested an ideal hierarchical structure and optimized oxygen level,achieved through the adjustment of Zn2+additive concentration,carbonization temperature,and subsequent KHCO3activation to maximize capacitance.The HOMC electrode,with a micropore-to-mesopore ratio(Smicro/Smeso)of 1.01 and an oxygen content of 8.81 at%,acquired a specific capacitance of 362 F·g-1at 0.5 A·g-1in 6 mol·L-1KOH electrolyte.The assembled HOMC//HOMC supercapacitor could afford a high energy density of 33.38 Wh·kg-1with a corresponding specific power density of 300 W·kg-1in TEATFB PC electrolyte.Meanwhile,the long-term cycle stability of 94.33%was achieved after 20,000 cycles.This work provides an ANN assisted strategy for the synthesis of HOMC,highlighting its potential to valorize biomass and agricultural waste in sustainable energy storag solutions. 展开更多
关键词 Lignin Biomass Hierarchical ordered mesoporous carbon Machine learning Artificial neural network Supercapacitor
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