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Enhancing electrolyte ion diffusion via direct ink writing pillar array structure of graphene electrodes for high-performance microsupercapacitors

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Nano Research 2024年第7期17卷 6203-6211页

作者： yan Zhang Huandi Zhang Xiaoxiao Wang Cheng Tang Xiaowei Shi Zehua Zhao Jiamei Liu Guolong Wang Jianfeng Shen lei Li State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and EngineeringXi’an Jiaotong University28 Xianning West RoadXi’an 710049China Center for Materials Chemistry Frontier Institute of Science and TechnologyXi’an Jiaotong UniversityXi’an 710049China Instrument Analysis Center of Xi'an Jiaotong University Xi’an Jiaotong University28 Xianning West RoadXi’an 710049China Institute of special materials and technology Fudan UniversityShanghai 200433China

The graphene-based microsupercapacitors(MSCs)suffer from graphene aggregation issue in *** reduces the electrolyte ions transportation in the electrodes to degrade the charge storage ability of MSCs,hampering their practical *** the electrolyte ions transportation in the electrodes can boost the charge storage ability of ***,we design and experimentally realize pillar array structure of graphene electrodes for MSCs by direct ink writing *** graphene electrodes with pillar array structure increase the contact area with electrolyte and short the electrolyte ions transport path,facilitating electrolyte ions transport in *** MSCs exhibit high areal capacitance of 25.67 mF·cm^(−2),high areal energy density of 20.54μWh·cm^(−2),and high power density of 1.45 mW·cm^(−2).One single MSCs can power timer for 10 min and pressure sensor more than 160 min,showing high practical application *** work provides a new avenue for developing high performance MSCs.

关键词： microsupercapacitors pillar array structure direct ink writing areal energy density ion transport

Atmospheric nitrogen deposition affects forest plant and soil system carbon:nitrogen:phosphorus stoichiometric flexibility:A meta-analysis

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Forest Ecosystems 2024年第3期11卷 307-317页

作者： Xiyan Jiang Xiaojing Wang Yaqi Qiao Yi Cao yan Jiao An yang Mengzhou Liu lei Ma Mengya Song Shenglei Fu Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions College of Geography and Environmental ScienceHenan UniversityKaifeng475004China Henan Key Laboratory of Integrated Air Pollution Control and Ecological Security College of Geography and Environmental ScienceHenan UniversityKaifeng475004China Henan Dabieshan National Field Observation and Research Station of Forest Ecosystem Henan UniversityZhengzhou450046China

Background:Nitrogen(N)deposition affects forest stoichiometric flexibility through changing soil nutrient availability to influence plant ***,the effect of N deposition on the flexibility of carbon(C),N,and phosphorus(P)in forest plant-soil-microbe systems remains ***:We conducted a meta-analysis based on 751 pairs of observations to evaluate the responses of plant,soil and microbial biomass C,N and P nutrients and stoichiometry to N addition in different N intensity(050,50–100,>100 kg·ha^(-1)·year^(-1)of N),duration(0–5,>5 year),method(understory,canopy),and matter(ammonium N,nitrate N,organic N,mixed N).Results:N addition significantly increased plant N:P(leaf:14.98%,root:13.29%),plant C:P(leaf:6.8%,root:25.44%),soil N:P(13.94%),soil C:P(10.86%),microbial biomass N:P(23.58%),microbial biomass C:P(12.62%),but reduced plant C:N(leaf:6.49%,root:9.02%).Furthermore,plant C:N:P stoichiometry changed significantly under short-term N inputs,while soil and microorganisms changed drastically under high N *** N addition primarily affected plant C:N:P stoichiometry through altering plant N content,while understory N inputs altered more by influencing soil C and P *** N significantly influenced plant and soil C:N and C:P,while ammonia N changed plant N:*** C:P and soil C:N were strongly correlated with mean annual precipitation(MAT),and the C:N:P stoichiometric flexibility in soil and plant under N addition connected with soil ***,N addition decoupled the correlations between soil microorganisms and the ***:N addition significantly increased the C:P and N:P in soil,plant,and microbial biomass,reducing plant C:N,and aggravated forest P ***,these impacts were contingent on climate types,soil layers,and N input *** findings enhance our comprehension of the plant-soil system nutrient cycling mechanisms in forest ecosystems and plant strategy responses to N deposition.

关键词： C:N:P stoichiometry Meta-analysis Forest ecosystem Nitrogen addition form Nutrient cycles

Evaluating serum CXCL12,sCD22,Lp-PLA2 levels and ratios as biomarkers for diagnosis of Alzheimer's disease

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World Journal of Psychiatry 2024年第3期14卷 380-387页

作者： Zeng-Ling Liu Fei-Fei Hua lei Qu Na yan Hui-Fang Zhang Department of Neurology Dongying People's HospitalDongying 257000Shandong ProvinceChina

BACKGROUND Grasping the underlying mechanisms of Alzheimer's disease(AD)is still a work in progress,and existing diagnostic techniques encounter various ***,the discovery of dependable biomarkers is essential for early detection,tracking the disease's advancement,and steering treatment *** To explore the diagnostic potential of serum CXCL12,sCD22,Lp-PLA2,and their ratios in AD,aiming to enhance early detection and inform targeted treatment *** The study was conducted in Dongying people's Hospital from January 2021 to December *** included 60 AD patients(AD group)and 60 healthy people(control group).Using a prospective case-control design,the levels of CXCL12,sCD22 and Lp-PLA2 and their ratios were detected by enzyme-linked immunosorbent assay kit in the diagnosis of *** differences between the two groups were analyzed by statistical methods,and the corresponding ratio was constructed to improve the specificity and sensitivity of *** Serum CXCL12 levels were higher in the AD group(47.2±8.5 ng/mL)than the control group(32.8±5.7 ng/mL,Prum CXCL12 and Lp-PLA2 levels were significantly increased,while sCD22 were significantly decreased,as well as increases in the ratios of CXCL12/sCD22 and Lp-PLA2/sCD22,are closely related to the onset of *** biomarkers and their ratios can be used as potential diagnostic indicators for AD,providing an important clinical reference for early intervention and treatment.

关键词： Alzheimer's disease Biomarkers CXCL12 sCD22 Lp-PLA2

Classical spin liquid state in a rhombic lattice metal-organic framework

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Nano Research 2024年第4期17卷 3407-3412页

作者： Sihua Feng Chao Wang Jiyin Zhao Xuguang Liu Chaocheng Liu Zeming Qi lei Chen Huijuan Wang Minghui Fan Hengli Duan Wensheng yan National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei 230026China Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of ChinaHefei 230026China School of Materials Science and Engineering Hefei University of TechnologyHefei 230009China Experimental Center of Engineering and Material Science University of Science and Technology of ChinaHefei 230026China

Discovering more and new geometrically frustrated systems remains an active point of inquiry in fundamental physics for the existence of unusual states of ***,we report spin-liquid-like behavior in a two-dimensional(2D)rhombic lattice Fe-metal-organic framework(Fe-MOF)with frustrated *** Fe-MOF exhibits a high frustration factor f=|θCW|/TN≥315,and its long-range magnetic order is suppressed down to 180 *** theoretical calculations demonstrate strong antiferromagnetic coupling between adjacent Fe3+ions,indicating the potential of a classical spin-liquid-like ***,a T-linear heat capacity parameter,γ,originating from electronic contributions and with magnetic field independence up to 8 T,can be observed in the specific heat capacity measurements at low-temperature,providing further proof for the spin-liquid-like *** work highlights the potential of MOF materials in geometrically frustrated systems,and will promote the research of exotic quantum physics phenomena.

关键词： spin-liquid-like state two-dimensional metal-organic framework(2D MOF) rhombic lattice ultralow temperature(ULT)measurements spin-frustrated

Individualized anti-thrombotic therapy for acute myocardial infarction complicated with left ventricular thrombus: A case report

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World Journal of Clinical Cases 2024年第4期12卷 835-841页

作者： yan Song Hua Li Xia Zhang lei Wang Hong-yan Xu Zhi-Chao Lu Xiao-Gang Wang Bo Liu Department of Clinical Pharmacy Zibo Municipal HospitalZibo 255400Shandong ProvinceChina Department of Cardiology Zibo Municipal HospitalZibo 255400Shandong ProvinceChina Department of Pharmacy Zibo Municipal HospitalZibo 255400Shandong ProvinceChina Department of Imaging Zibo Municipal HospitalZibo 255400Shandong ProvinceChina Department of Pulmonary and Critical Care Medicine Department of Clinical MicrobiologyZibo City Key Laboratory of Respiratory Infection and Clinical MicrobiologyZibo City Engineering Technology Research Center of Etiology Molecular DiagnosisZibo Municipal HospitalZibo 255400Shandong ProvinceChina

BACKGROUND Presently,there is no established standard anti-blood clot therapy for patients facing acute myocardial infarction(AMI)complicated by left ventricular thrombus(LVT).While vitamin K antagonists are the preferred choice for oral blood thinning,determining the best course of blood-thinning medication remains *** is unclear if non-vitamin K antagonist oral blood thinners have different effectiveness in treating *** study significantly contributes to the medical *** SUMMARY The blood-thinning treatment of a patient with AMI and LVT was *** blood-thinning therapy included daily enteric-coated aspirin tablets at 0.1 g,daily clopidogrel hydrogen sulfate at 75 mg,and dabigatran etexilate at 110 mg twice *** 15 d,the patient’s LVT did not decrease but instead *** pharmacists comprehensively analyzed the cases from the perspective of the patient’s disease status and drug *** drug regimen was reformulated for the patient,replacing dabigatran etexilate with warfarin,and was administered for six *** clinical pharmacist provided the patient with professional and standardized pharmaceutical *** patient’s condition was discharged after meeting the international normalized ratio value(2-3)*** patient fully complied with the follow-up,and the time in the therapeutic range was 78.57%,with no serious adverse effects during pharmaceutical *** Warfarin proves to be an effective drug for patients with AMI complicated by LVT,and its blood-thinning course lasts for six months.

关键词： Myocardial infarction Left ventricular thrombus Dabigatran etexilate Warfarin Clinical pharmacist Case report

“In-N-out” design enabling high-content triethyl phosphate-based non-flammable and high-conductivity electrolytes for lithium-ion batteries

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Science China Chemistry 2024年第2期67卷 724-731页

作者： Mengchuang Liu Fenfen Ma Zicheng Ge Ziqi Zeng Qiang Wu Hui yan Yuanke Wu Sheng lei yanli Zhu Shijie Cheng Jia Xie State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan430074China School of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan430074China GuSu Laboratory of Materials Suzhou215123China Institute of Metal Research Chinese Academy of SciencesShenyang110000China State Key Laboratory of Explosion Science and Technology Beijing Institute of TechnologyBeijing100081China

Safety issues related to flammable electrolytes in lithium-ion batteries(LIBs) remain a major challenge for their extended *** use of non-flammable phosphate-based electrolytes has proved the validity in inhibiting the combustion of ***,the strong interaction between Li^(+) and phosphate leads to a dominant solid electrolyte interphase(SEI) with limited electronic shielding,resulting in the poor Li^(+) intercalation at the graphite(Gr) anode when using high-phosphate-content *** mitigate this issue and improve Li^(+) insertion,we propose an “In-N-Out” strategy to render phosphates “noncoordinative”.By employing a combination of strongly polar solvents for a “block effect” and weakly polar solvents for a “drag effect”,we reduce the Li^(+)–phosphate *** a result,phosphates remain in the electrolyte phase(“In”),minimizing their impact on the incompatibility with the Gr electrode(“Out”).We have developed a non-flammable electrolyte with high triethyl phosphate(TEP) content(>60 wt.%),demonstrating the excellent ion conductivity(5.94 mS cm^(-1) at 30 ℃) and reversible Li^(+) intercalation at a standard concentration(~1 mol L^(-1)).This approach enables the manipulation of multiple electrolyte functions and holds the promise for the development of safe electrochemical energy storage systems using non-flammable electrolytes.

关键词： lithium-ion batteries graphite anode high-phosphate-content electrolytes non-flammable electrolyte excellent ion conductivity standard concentration

Simultaneous determination of 6 carbamate pesticides and relevant metabolites in oilseeds and oil with the modified fast QuEChERS method by ultra-performance liquid chromatography-tandem mass spectrometry

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未来食品学报(英文) 2024年第1期4卷 97-104页

作者： Bangben Yao Yun Li ru Zhang Li Yao Jianguo Xu Chao yan Wei Chen Anui Province Inustinute of Prodtuct Quality Supenvision&Inspection Hefei 230051China Engineering Reseanch Center of Bio-Proess MOESchool of Food cand Biological EngineerngHefei University of TechmologyHefei 230009China School of Ijfe Science Anhui UniversityHefei 230601China

A sensitive and reliable method was developed and validated for the simu1taneous determination of 6 carbamate pesticides and relevant metabolites based on the modified fast QuEChERS(quick,easy,cheap,effective,rugged and safe)method combined with ultra-performance 1iquid chromatography-tandem mass spectrometry(UPLC-MS/MS).The method was also applied in the analysis of 23 commonly consumed oilseeds and oil *** sample was extracted with acetonitrile for three times and then the extracted solution was filtered directly though 250 mg precipitated silica adsorbent(PSA)and 250 mg Cis The mobile phase was water(containing 0.1%formic acid)and *** extemal standard protocols were adopted to validate the method in terms of recovery,1inearity,precision,sensitivity,and relative standard deviation(RSD)under the optimized *** linear calibration curves with different ranges were established with R^(2)>0.9973,limit of detections(LODs)ranged from 0.100μg/kg to 20000μg/kg and limit of quantitations(LOQs)ranged from 0.300μg/kg to 6.000μg/*** LODs meets the detection requirement for the maximum residue limits in practical ***,the recoveries ranged from 60.2%to 116.6%with associated RSDs ranged from 0.33%to 5.35%in 10 oilseeds matrices and ranged from 61.9%to 116.9%with RSDs ranged from 0.30%to 5.02%in 13 oil *** features do make the UPLC-MSMS an ideal analytical platform for accurate and high throughput analysis of carbamates residues in the complex matrix.

关键词： Carbamate pesticides Oiseeds and oil Dispersive solid-phase extraction U1tra-performance 1iquid chromatography-tandem mass spectometry Simu1taneous determination High throughput

Pathological BBB Crossing Melanin-Like Nanoparticles as Metal-Ion Chelators and Neuroinflammation Regulators against Alzheimer’s Disease

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Research 2024年第1期6卷 687-706页

作者： Qianqian Huang Chaoqing Jiang Xue Xia Yufan Wang Chenxing yan Xiaorong Wang Ting lei Xiaotong yang Wenqin yang Guo Cheng Huile Gao Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of PharmacySichuan UniversityChengdu 610041P.R.China Laboratory of Molecular Translational Medicine Center for Translational MedicineKey Laboratory of Birth Defects and Related Diseases of Women and Children(Sichuan University)Ministry of EducationDepartment of PediatricsWest China Second University HospitalSichuan UniversityChengdu 610041P.R.China

Inflammatory responses,manifested in excessive oxidative stress and microglia overactivation,together with metal ion-triggered amyloid-beta(Aβ)deposition,are critical hallmarks of Alzheimer’s disease(AD).The intricate pathogenesis causes severe impairment of neurons,which,in turn,exacerbates Aβaggregation and facilitates AD ***,multifunctional melanin-like metal ion chelators and neuroinflammation regulators(named PDA@K)were constructed for targeted treatment of *** this platform,intrinsically bioactive material polydopamine nanoparticles(PDA)with potent metal ion chelating and ROS scavenging effects were decorated with the KLVFF peptide,endowing the system with the capacity of enhanced pathological blood–brain barrier(BBB)crossing and lesion site accumulation via Aβ*** vitro and in vivo experiment revealed that PDA@K had high affinity toward Aβand were able to hitch a ride on Aβto achieve increased pathological BBB *** engineered PDA@K effectively mitigated Aβaggregate and alleviated neuroinflammation.

关键词： oxidative aggregation chelating

Treatment of hemolymphangioma by robotic surgery: A case report

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 596-600页

作者： Tian-Ning Li yan-Hong Liu Jia Zhao Hong Mu lei Cao Department of Clinical Lab Tianjin First Central HospitalTianjin 300000China Nankai University Tianjin Union Medical CenterTianjin 300000China Tianjin Medical University Tianjin First Center HospitalTianjin 300000China

BACKGROUND Hemolymphangioma of the jejunum is rare and lacks clinical specificity,and can manifest as gastrointestinal bleeding,abdominal pain,and intestinal *** tomography,magnetic resonance imaging,and other examinations show certain characteristics of the disease,but lack *** capsule endoscopy and enteroscopy make up for this deficiency,the diagnosis also still re-quires *** SUMMARY A male patient was admitted to the hospital due to abdominal distension and abdominal pain,but a specific diagnosis by computed tomography examination was not *** resection of the small intestine was performed by robotic surgery,and postoperative pathological biopsy confirmed the diagnosis of *** recurrence in the follow-up examination was *** Robotic surgery is an effective way to treat hemolymphangioma through minima-lly invasive techniques under the concept of rapid rehabilitation.

关键词： Hemolymphangioma Enteroscopy Robotic surgery Rehabilitation Case report