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Supramolecular phenolic net.ork-engineered C-Ceo_(2) nanofibers for simultaneous determinat.on of isoniazid and hydrazine in biological fluids

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Chinese Chemical Letters 2024年第6期35卷 496-501页

作者： Gang Lang Jing Feng Bo Feng Junlan Hu Zhiling Ran Zhiting Zhou Zhenju jiang Yunxiang He Junling Guo School of Science Xihua UniversityChengdu 610039China BMI Center for Biomass Materials and Nanointerfaces College of Biomass Science and EngineeringSichuan UniversityChengdu 610065China Southwest Computer Co. Ltd.Chongqing 400060China Bioproducts Institute Department of Chemical and Biological EngineeringThe University of British ColumbiaVancouver V6T 1Z4Canada State Key Laboratory of Polymer Materials Engineering Sichuan UniversityChengdu 610065China Nat.onal Engineering Laboratory for Clean technology of Leather Manufacture Sichuan University Chengdu 610065China

Elect.ochemical sensing provides a powerful technological means for the therapeutic drug monitoring of drug-resistant tuberculosis but requires a funct.onalized elect.ode to capture the analytes and catalyze their redox ***,we construct a nickel-tannic acid supramolecular net.ork(Ni-tA)on the surface of elect.ospun-derived C-Ceo_(2) nanofiber for the sensitive and simultaneous detect.on of isoniazid(INZ)and hydrazine(HYD).Mechanistic investigat.ons demonstrate that Ni-tA is elect.onegative and hydrophilic,thus facilitating an efficient mass and elect.on ***-tA/C-Ceo_(2) has higher adsorpt.on rate constants(0.091 g mg^(-1)h^(-1)for INZ,and 0.062 g mg^(-1)h^(-1)for HYD)than native C-Ceo_(2)(0.075 g mg^(-1)h^(-1)for INZ,and 0.047 g mg^(-1)h^(-1)for HYD).Moreover,Ni-tA/C-Ceo_(2)(56Ω)has lower charge transfer resistances than C-Ceo_(2)(417Ω).Ni-tA/C-Ceo_(2) performs low detect.on limits and wide linearity ranges for INZ(0.012μmol/L and 0.1-400μmol/L,respectively)and HYD(0.008μmol/L and 0.015-1420μmol/L,respectively),coupled with high selectivity,cycle stability and *** research demonstrated the promising applicat.ons of Ni-tA/C-Ceo_(2) by analyzing human-collected plasma and urine samples.

关键词： Elect.ochemical detect.on therapeutic drug monitoring Isoniazid Hydrazine tuberculosis

Research advances in enhanced coal seam gas extract.on by cont.ollable shock wave fracturing

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Internat.onal Journal of Coal Science & technology 2024年第3期11卷 1-31页

作者： Chaojun Fan Hao Sun Sheng Li Lei Yang Bin Xiao Zhenhua Yang Mingkun Luo Xiaofeng jiang Lijun Zhou College of Mining Liaoning Technical UniversityFuxin123000China College of Safety Science and Engineering Liaoning Technical UniversityFuxin123000China Energy Business Department Shanxi Lu’an Chemical GroupChangzhi046200China

With the continuous increase of mining in depth,the gas extract.on faces the challenges of low permeability,great ground stress,high temperature and large gas pressure in coal *** cont.ollable shock wave(CSW),as a new met.od for enhancing permeability of coal seam to improve gas extract.on,features in the advantages of high efficiency,eco-friendly,and low *** order to better utilize the CSW into gas extract.on in coal mine,the mechanism and feasibility of CSW enhanced extract.on need to be *** this paper,the basic principles,the experimental tests,the mathematical models,and the on-site tests of CSW fracturing coal seams are reviewed,thereby its future research direct.ons are *** on the different media between elect.odes,the CSW can be divided into three categories:hydraulic effect,wire explosion and excitat.on of energetic materials by detonating *** the process of propagat.on and attenuat.on of the high-energy shock wave in coal,the shock wave and bubble pulsat.on work together to produce an enhanced permeability effect.on the coal *** st.onger the strength of the CSW is,the more cracks created in the coal is,and the greater the length,width and area of the cracks *** repeated shock on the coal seam is conducive to the format.on of complex net.ork fracture system as well as the reduct.on of coal seam strength,but excessive shock frequency will also damage the coal structure,resulting in the limited effect.of the enhanced gas *** the influence of ground stress,the crack propagat.on in coal seam will be *** difference of horizontal principal stress has a significant impact.on the shape,propagat.on direct.on and connectivity of the CSW induced *** permeability enhancement effect.of CSW is affected by the breakage degree of coal *** shock wave is absorbed by the broken coal,which may hinder the propagat.on of CSW,resulting in a poor effect.of permeability *** arranging t.o a

关键词： Cont.ollable shock wave Permeability enhancement Gas extract.on Basic principle Experimental test Mathematical models on-site test

Enhancing ost.ogenic bioactivities of coaxial elect.ospinning nanoscaffolds through incorporating iron oxide nanoparticles and icaritin for bone regenerat.on

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Nano Research 2024年第7期17卷 6430-6442页

作者： Peng Wang Qianjin Wang Dengxian Wu Yunyang Zhang Shixiong Kang Xucai Wang Jiayu Gu Hao Wu Zhihong Xu Qing jiang School of Biomedical Engineering and Informatics Nanjing Medical UniversityNanjing 211166China State Key Laboratory of Pharmaceutical Biotechnology Department of Sports Medicine and Adult Reconstructive SurgeryNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjing 210008China Center of Modem Analysis Nanjing UniversityNanjing 210008China State Key Laboratory of Bioelect.onics Jiangsu Key Laboratory for Biomaterials and DevicesSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210009China Co-Innovat.on Center for Efficient Processing and Utilizat.on of Forest Resources College of Chemical EngineeringNanjing Forestry UniversityNanjing 210037China jiangsu Institute of Met.ology Nanjing 210023China

Bone tissue engineering provides a promising strategy for the treatment.of bone ***,the clinical utilizat.on of biomaterial-based scaffolds is constrained by their inadequate mechanical strength and absence of ost.o-inductive ***,we proposed to endow nano-scaffold(NS)constructed by coaxial elect.ospinning technique with enhanced ost.ogenic bioactivities and mechanical properties by incorporating biocompatible magnetic iron oxide nanoparticles(IoNPs)and icaritin(ICA).Four types of nano-scaffolds(NS,ICA@NS,NS-IoNPs and ICA@NS-IoNPs)were *** incorporat.on of ICA and IoNPs minimally impact their surface morphological and chemical *** enhanced the mechanical properties of NS scaffolds,including hardness,tensile strength,and elastic *** vit.o assessments demonstrated that ICA@NS-IoNPs exhibited enhanced ost.ogenic bioactivities towards mouse calvarial pre-ost.oblast cell line MC3t3-E1 as evidenced by detecting the alkaline phosphatase(ALP)activity level,expressions of ost.ogenesis-related genes and proteins as well as mineralized nodule *** investigat.ons revealed that MEK/ERK(MAP kinase-ERK kinase(MEK)/extracellularsignal-regulated kinase(ERK))signaling pathway could offer a plausible explanat.on for the ost.ogenic differentiat.on of MC3t3-E1 cells induced by ICA@***,the implantat.on of nano-scaffolds in rat skull defects exhibited a substantial improvement in in vivo bone ***,IoNPs and ICA incorporated coaxial elect.ospinning nano-scaffolds present a novel strategy for the optimizat.on of scaffolds for bone tissue engineering.

关键词： iron oxide nanoparticles icaritin coaxial elect.ospinning nano-scaffolds MEK/ERK signaling pathway bone regenerat.on

MoF-templated tubular Ni_(1−x)Co_(x)S_(2)-CdS heterojunct.on with intensified direct Z-scheme charge transmission for highly promoted visible-light photocatalysis

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Nano Research 2024年第7期17卷 6281-6293页

作者： Chuan jiang Yuanxin Qiu Xinxin Xin Yanyan Li Huilin Li Hui Wang Jixiang Xu Haifeng Lin Lei Wang Volodymyr turkevych Key Laboratory of Eco-chemical Engineering International S&T Cooperation Foundation of Eco-chemical Engineering and Green ManufactureCollege of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdao 266042China Shandong Provincial Key Laboratory of olefin Catalysis and Polymerizat.on Key Laboratory of Rubber-Plastics of Ministry of EducationSchool of Polymer Science and EngineeringQingdao University of Science and TechnologyQingdao 266042China V.Bakul Institute for Superhard Materials National Academy of Sciences of UkraineKyiv 04074Ukraine

Hollow semiconductor nanostructures with direct Z-scheme heterojunct.on have significant advantages for photocatalytic react.ons,and optimizing the interfacial charge transmission of Z-scheme heterojunct.on is the hinge to achieve excellent solar conversion *** this work,tubular Ni_(1−x)Co_(x)S_(2)-CdS heterostructures with reinforced Z-scheme charge transmission were constructed through an In-metal-organic framework(MoF)templated *** Z-scheme charge transfer mechanism was sufficiently confirmed by combining density funct.onal theory(DFt)calculat.on,X-ray photoelect.on spect.oscopy(XPS),surface photovoltage spect.oscopy(SPV),and radical testing ***,the use of sodium citrate complexant contributes to the format.on of intimate heterointerface,and the Fermi level gap between CdS and NiS_(2)is enlarged through Co doping into NiS_(2),which enhances the built-in electric field and photo-carriers transmission driving force for Ni_(1−x)Co_(x)S_(2)-CdS heterojunct.on,resulting in an evidently promoted activity toward H2 evolut.on react.on(HER).Under visible-light(λ>400 nm)irradiat.on,the Ni_(1−x)Co_(x)S_(2)-CdS composite with 10 mol%Co doping and 80 wt.%CdS(NC_(0.10)S-80%CdS)achieved an outstanding HER rate up to 35.94 mmol·g^(−1)·h^(−1)(corresponding to the apparent quantum efficiency of 34.7%at 420 nm),approximately 76.4 times that.of 3 wt.%Pt-loaded CdS and it is much superior to that.of most CdS-based photocatalysts ever ***,the good photocatalytic durability of Ni_(1−x)Co_(x)S_(2)-CdS heterostructures was validated by cycling and long-term HER *** work could inspire the development.of high-performance Z-scheme heterojunct.on via optimizing the morphology and interfacial charge transmission.

关键词： tubular heterostructure Z-scheme charge transmission interfacial coupling built-in electric field visible-light photocatalysis

Enhancing elect.omagnetic wave absorpt.on with core‐shell structured Sio_(2)@MXene@MoS_(2)nanospheres

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Carbon Energy 2024年第8期6卷 90-104页

作者： Xuewen jiang Qian Wang Limeng Song Hongxia Lu Hongliang Xu Gang Shao Hailong Wang Rui Zhang Changan Wang Bingbing Fan School of Material Science and Engineering Zhengzhou UniversityZhengzhouHenanChina Henan Key Laboratory of Aeronautical Materials and Applicat.on technology School of Material Science and EngineeringZhengzhou University of AeronauticsZhengzhouHenanChina School of Materials Science and Engineering Tsinghua UniversityBeijingChina

Material composit.on and structural design are important factors influencing the elect.omagnetic wave(EMW)absorpt.on performance of *** alleviate the impedance mismatch attributed to the high dielectric constant.of ti_(3)C_(2)t_(x)MXene,we have successfully synthesized core‐shell structured Sio_(2)@MXene@MoS_(2)*** architecture,comprising Sio_(2)as the core,MXene as the intermediate layer,and MoS_(2)as the outer shell,is achieved through an elect.ostatic self‐assembly met.od combined with a hydrothermal *** complex core‐shell structure not.only provides a variety of loss mechanisms that effectively dissipate elect.omagnetic energy but also prevents self‐aggregat.on of MXene and MoS_(2)***,the synergistic combinat.on of Sio_(2)and MoS_(2)with highly conductive MXene enables the suitable dielectric constant.of the composites,ensuring optimal impedance ***,the core‐shell structured Sio_(2)@MXene@MoS_(2)nanospheres exhibit excellent EMW absorpt.on performance,featuring a remarkable minimum reflect.on loss(RL_(min))of−52.11 dB(2.4 mm).It is noteworthy that these nanospheres achieve an ultra‐wide effective absorpt.on bandwidth(EAB)of 6.72 *** work provides a novel approach for designing and synthesizing high‐performance EMW absorbers characterized by“wide bandwidth and st.ong reflect.on loss.”

关键词： core‐shell structure elect.omagnetic wave absorpt.on multiloss mechanism Sio_(2)@MXene@MoS_(2)

Enhanced elect.omagnetic wave absorpt.on via optical fiber-like PMMA@ti_(3)C_(2)t_(x)@Sio_(2) composites with improved impedance matching

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Nano Research 2024年第3期17卷 1676-1686页

作者： Huanhuan Niu Xuewen jiang Wei Li Zhiyu Min Budi Riza Putra Wulan tri Wahyuni Hailong Wang Rui Zhang Bingbing Fan School of Material Science and Engineering Zhengzhou UniversityZhengzhou 450001China School of Materials Science and Engineering Tongji UniversityShanghai 201804China Department.of Materials and Earth Sciences Technical University of DarmstadtDarmstadt 64287Germany School of Material Science and Engineering Luoyang Institute of Science and TechnologyLuoyang 471023China Research Center for Metallurgy National Research and Innovation Agency(BRIN)PUSPIPTEK Gd.470South TangerangBanten 15315Indonesia Analytical Chemistry Division Department of ChemistryFaculty of Mathematics and Natural SciencesIPB UniversityWest Java 16680Indonesia

ti_(3)C_(2)t_(x) nanosheets have attracted significant attent.on for their potential in elect.omagnetic wave absorpt.on(EWA).However,their inherent self-stacking and exorbitant electrical conductivity inevitably lead to serious impedance mismatch,restricting their EWA ***,the optimizat.on of impedance matching becomes *** this work,we developed polymethyl methacrylate(PMMA)@ti_(3)C_(2)t_(x)@Sio_(2) composites with a sandwich-like core–shell structure by coating Sio_(2) on PMMA@ti_(3)C_(2)t_(x).the results demonstrate that the superiority of the Sio_(2) layer in combinat.on with PMMA@ti_(3)C_(2)t_(x),outperforming other relative graded distribut.on structures and meeting the requirements of EWA *** resulting PMMA@ti_(3)C_(2)t_(x)@Sio_(2) composites achieved a minimum reflect.on loss of-58.08 dB with a thickness of 1.9 mm,and an effective absorpt.on bandwidth of 2.88 *** analysis revealed that the structural design of Sio_(2) layer not.only optimized impedance matching,but also synergistically enhanced multiple loss mechanisms such as interfacial polarizat.on and dipolar ***,this work provides valuable insights for the future preparat.on of high-performance elect.omagnetic wave absorbing ti_(3)C_(2)t_(x)-based composites.

关键词： polymethyl methacrylate(PMMA)@ti_(3)C_(2)t_(x)@Sio_(2)composites impedance match Sio_(2)layer optical fiber-like structure interfacial polarizat.on and dipolar polarizat.on

Facile identificat.on of fluorosurfactant category in aqueous film-forming foam concentrates via optimized^(19)F NMR

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Magnetic Resonance Letters 2024年第3期4卷 42-51页

作者： Peiyao Chen Shuang Zhuang Weiguang Chen Zhijian Chen Rongzhen Li Fangyu Chen tingting jiang Xiaobin Fu tianjin Fire Research Institute of MEM Tianjin300381China Department.of Chemistry School of ScienceTianjin UniversityTianjin300354China Department.of Chemistry School of ScienceTianjin Chengjian UniversityTianjin300384China Department.of Molten Salt Chemistry and Engineering Shanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai201800China

Aqueous film-forming foams(AFFFs)are the primary source of toxic perfluoroalkyl and polyfluoroalkyl substances(PFAS)in ***,it is urgent to develop a facile and fast met.od for identifying fluorosurfactants in commercially available *** this work,fluorine nuclear magnetic resonance(^(19)F NMR)spect.oscopy was optimized to measure AFFFs directly with the extra addit.on of 5%D_(2)o as the locking reagent,and high-quality spectra could be acquired within 4 min(0.1%fluorosurfactant content).Recovery experiments demonstrated that the use of different AFFFs had no marked influence on the quantitative analysis of *** met.od works with low-field NMR spect.oscopy(1.4 t)as ***-dimensional(2D)^(19)F CoSY NMR was used to make signal assignments for different fluorosurfactant *** optimized ^(19)F NMR could quantify the commercially available fluorosurfactants in different AFFFs,identify them being in either the perfluorooctane sulfonate(PFoS)or fluorotelomer sulfonic acid(FtS)categories,and distinguish the head-group of PFoS and FtS derivatives,which exhibits great potentials in the developments of relevant commercial detect.ons.

关键词： Aqueous film-forming foams Fluorosurfactants 19F NMR Perfluorooctane sulfonate

KAt7/HMGN1 signaling epigenetically induces tyrosine phosphorylat.on-regulated kinase 1A expression to ameliorate insulin resistance in Alzheimer’s disease

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World Journal of Psychiatry 2024年第3期14卷 445-455页

作者： Qun-Shan Lu Lin Ma Wen-Jing jiang Xing-Bang Wang Mei Lu Department.of Geriatric Medicine Qilu Hospital of Shandong UniversityJinan 250012Shandong ProvinceChina Key Laboratory of Cardiovascular Prot.omics of Shandong Province Qilu Hospital of Shandong UniversityJinan 250012Shandong ProvinceChina

BACKGRoUND Epidemiological studies have revealed a correlat.on between Alzheimer’s disease(AD)and type 2 diabetes mellitus(t2D).Insulin resistance in the brain is a common feature in patients with t2D and ***7 is a histone acetyltransferase that participates in the modulat.on of various *** to determine the effects of KAt7 on insulin patients with *** APPswe/PS1-dE9 double-transgenic and db/db mice were used to mimic AD and diabetes,*** in vit.o model of AD was established by Aβ*** resistance was induced by chronic stimulat.on with high insulin *** expression of microtubule-associated protein 2(MAP2)was assessed using *** protein levels of MAP2,Aβ,dual-specificity tyrosine phosphorylat.on-regulated kinase-1A(DYRK1A),IRS-1,p-AKt,total AKt,p-GSK3β,total GSK3β,DYRK1A,and KAt7 were measured via western *** of reactive oxygen species(RoS),malondialdehyde(MDA),and SoD activity was measured to determine cellular oxidative *** cytometry and CCK-8 assay were performed to evaluate neuronal cell death and proliferat.on,*** RNA levels of KAt7 and DYRK1A were examined using quantitative PCR.A chromatin immunoprecipitat.on assay was conducted to detect H3K14ac in *** KAt7 expression was suppressed in the AD *** of KAt7 decreased Aβaccumulat.on and MAP2 expression in AD ***7 overexpression decreased RoS and MDA levels,elevated SoD activity in brain tissues and neurons,and simultaneously suppressed neuronal ***7 upregulated levels of p-AKt and p-GSK3βto alleviate insulin resistance,along with elevated expression of ***7 deplet.on suppressed DYRK1A expression and impaired H3K14ac of ***1 overexpression recovered DYRK1A levels and reversed insulin resistance caused by KAt7 *** We determined that KAt7 overexpression recovered insulin sensitivity in AD by recruiting HMGN1 to enhance DYRK1A acetylati

关键词： Alzheimer's disease Diabetes Insulin resistance KAt7 Dual-specificity tyrosine phosphorylat.on-regulated kinase-1A HMGN1

Dendritic mesoporous silica nanoparticles for enzyme immobilizat.on

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Green Chemical Engineering 2024年第2期5卷 173-186页

作者： Shuling Zhang Jing Bai Weixi Kong Haolei Song Yunting Liu Guanhua Liu Li Ma Liya Zhou Yanjun jiang School of Chemical Engineering and technology Hebei University of TechnologyTianjin300130China College of Food Science and Biology Hebei University of Science&TechnologyShijiazhuang050018China Hebei Yanuo Bioscience Co. Ltd.Shijiazhuang052165China

Dendritic mesoporous silica nanoparticles(DMSNs)are a new class of solid porous materials used for enzyme immobilizat.on support due to their intrinsic characteristics,including their unique open central-radial structures with large pore channels and their excellent *** this review,we review the recent progress in research on enzyme immobilizat.on using DMSNs with different structures,namely,flower-like DMSNs and tree-branch-like *** DMSN synthesis met.ods are briefly compared,and the distinct characteristics of the t.o DMSN types and their effects on the catalytic performance of immobilized enzymes are comprehensively *** direct.ons for future research on enzyme immobilizat.on using DMSNs are also proposed.

关键词： Dendritic mesoporous silica nanoparticles Enzyme immobilizat.on Flower-like tree-branch-like Central-radial structure