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Enhanced photoluminescence of a microporous quantum dot color conversion layer by inkjet printing

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Nano Research 2024年第8期17卷 7717-7725页

作者： junchi Chen Qihao jin Yidenekachew.j.Donie Orlando.t.Perales Dmitry Busko Bryce.S.Richards Uli Lemmer Light technology institute(Lti) Karlsruhe Institute of Technology(KIT)Engesserstrasse 1376131 KarlsruheGermany Department of Chemical Engineering and materials Science University of Minnesota(UMN)421 Washington Ave.SEMinneapolisMN 55455-0132USA institute for Microstructure technology Karlsruhe Institute of Technology(KIT)Hermann-von-Helmholtz-Platz 176344 Eggenstein-LeopoldshafenGermany

Owing to their high color purity,tunable bandgap,and high efficiency,quantum dots(QDs)have gained significant attention as color conversion materials for high-end display ***,inkjet-printed QD pixels show great potential for realizing full-color mini/micro-light emitting diode(micro-LED)-based *** a color conversion layer,the photoluminescence intensity of QDs is limited by the insufficient absorptance of the excitation light due to the lack of *** scatterers,such as titanium dioxide microparticles,have been applied after additional surface engineering for sufficient dispersity to prevent nozzle clogging in inkjet printing *** our work,as an alternative approach,we use inkjet printing for depositing a phase separating polymer ink based on polystyrene(PS)and polyethylene glycol(PEG).QD/polymer composite pixels with scattering micropores are *** morphology of the micropores can be tailored by the weight ratio between PS and PEG which enables the manipulation of scattering *** the presence of the microporous structure,the photoluminescence intensity of the QD film is enhanced by 110%in drop-cast films and by 35.3%in inkjet-printed QD pixel arrays compared to the reference samples.

关键词： porous structure inkjet printing phase separation quantum dots display technology

integrative analyses identified gap junction beta‐2 as a prognostic biomarker and therapeutic target for breast cancer

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Cancer innovation 2024年第4期3卷 43-56页

作者： Di Zhang Lixi Li Fei ma Department of Medical Oncology Qilu Hospital of Shandong UniversityJinanChina Department of Medical Oncology Qilu HospitalCheeloo College of MedicineShandong UniversityJinanChina Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

Background:increasing evidence has shown that connexins are involved in the regulation of tumor development,immune escape,and drug *** study investigated the gene expression patterns,prognostic values,and potential mechanisms of connexins in breast ***:We conducted a comprehensive analysis of connexins using public gene and protein expression databases and clinical samples from our *** mRNA expressions in breast cancer and matched normal tissues were compared,and multiomics studies were ***:Gap junction beta‐2 mRNA was overexpressed in breast cancers of different pathological types and molecular subtypes,and its high expression was associated with poor *** tumor membrane of the gap junction beta‐2 mutated group was positive,and the corresponding protein was *** mutation and copy number variation of gap junction beta‐2 are rare in breast *** gap junction beta‐2 transcription level in the p110αsubunit of the phosphoinositide 3‐kinase mutant subgroup was higher than that in the wild‐type *** junction beta‐2 was associated with the phosphoinositide 3‐kinase‐Akt signaling pathway,extracellular matrix–receptor interaction,focal adhesion,and proteoglycans in ***,gap junction beta‐2 overexpression may be associated with phosphoinositide 3‐kinase and histone deacetylase inhibitor resistance,and its expression level correlated with infiltrating CD8+t cells,macrophages,neutrophils,and dendritic ***:Gap junction beta‐2 may be a promising therapeutic target for targeted therapy and immunotherapy and may be used to predict breast cancer prognosis.

关键词： breast cancer connexin gap junction beta‐2 phosphoinositide 3‐kinase‐Akt‐mtOR pathway prognosis

One-step construction of strongly coupled Co_(3)V_(2)O_(8)/Co_(3)O_(4)/MXene heterostructure via in-situ Co-F bonds for high performance all-solid-state asymmetric supercapacitors

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Rare Metals 2024年第2期43卷 682-691页

作者： ji Zhou Bin-Bin Liu Hu Zheng Wen-Qing ma Qian Li Cai-Xia Xu institute for Advanced interdisciplinary Research(iAiR) Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of ShandongSchool of Chemistry and Chemical EngineeringUniversity of JinanJinan250022China

Co_(3)V_(2)O_(8)/Co_(3)O_(4)/ti_(3)C_(2)t_(x) composite was easily synthesized via one-step succinct-operated hydrothermal *** interconnected Co_(3)V_(2)O_(8)/Co_(3)O_(4) nanowires network can in-situ grow and anchor on the surface of ti_(3)C_(2)t_(x) via the strong Co-F bonds and contribute tremendously to depress ti_(3)C_(2)t_(x) *** from the synergistically interplayed effect among the multiple interfaces and high conductivity of ti_(3)C_(2)t_(x) as well as outstanding stability of the as-designed nanostructure,the optimum Co_(3)V_(2)O_(8)/Co_(3)O_(4)/ti_(3)C_(2)t_(x)electrode reaches a commendable specific capacitance(up to 3800 mF·cm^(−2)),great rate capability(80%capacitance retention after 20-times current increasing),and preeminent cycling stability(95.4%/85.5%retention at 7000th/20,000th cycle).Moreover,the all-solid-state asymmetric supercapacitor based on Co_(3)V_(2)O_(8)/Co_(3)O_(4)/ti_(3)C_(2)t_(x) and active carbon can deliver a high energy density of 84.0μWh·cm^(−2) at the power energy of 3.2 mW·cm^(−2),and excellent cycling durability with 87.0%of initial capacitance retention upon 20,000 *** work provides a practicable pathway to tailor MXene-based composites for high-performance supercapacitor.

关键词： ti_(3)C_(2)t_(x) Co_(3)V_(2)O_(8)/Co_(3)O_(4) Heterostructure Cathode Supercapacitor

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toward to agricultural green development by multi-objective zoning and nitrogen nutrient management:a case study in the Baiyangdian Basin,China

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Frontiers of Agricultural Science and Engineering 2024年第1期11卷 140-154页

作者： Xiaomeng ZHANG Xiangwen FAN Wenqi ma Zhaohai BAi jiafa LUO jing YANG Ling LiU jianjie ZHANG Lin ma College of Resources and Environmental Sciences Hebei Agricultural UniversityBaoding 071000China Center for Agricultural Resources Research Institute of Genetic and Developmental BiologyChinese Academy of SciencesShijiazhuang 050022China Ruakura Research Centre AgResearch LimitedHamilton 3240New Zealand

Although China has achieved great advancements toward national food security,the country is still confronted with a range of challenges,including natural resource stress,imbalanced diets and environmental *** management of crop–livestock systems is the key measure to realize agricultural green ***,optimized management of crop–livestock systems that use multi-objective zoning is *** study employed a multi-objective zoning management approach to comprehensively analyze four indicators:ammonia volatilization,nitrogen surplus,soil carrying capacity and ecological red line *** its significant ecological integrity and a strong emphasis on sustainability,the Baiyangdian Basin serves as a unique and suitable test case for conducting analyses on multi-objective nutrient optimization management,with the aim to facilitate the agricultural green *** study finds that less than 8%of the area in the Baiyangdian Basin meet the acceptable environmental indicator standard,whereas around 50%of the area that had both nitrogen surplus and ammonia volatilization exceeded the *** of unified management,that is,the same management technique across the study areas,could result in an increase of areas meeting environmental indicator thresholds to 21.1%.this project developed a novel multi-indicator partition optimization method,in which distinct measures are tailored for different areas to satisfy multiple environmental *** of this method,could potentially bring more than 50%area below the threshold,and areas with ammonia emissions and nitrogen surplus could be reduced to 15.8%.the multi-indicators partition optimization method represents a more advanced and efficiency-oriented management approach when compared to unified *** approach could be regarded as the best available option to help China achieve agricultural transformation to improve efficient production and reduce e

关键词： Agricultural green development Baiyangdian Basin environmental emission threshold partition management

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Analytical solution for the effective elastic properties of rocks with the tilted penny-shaped cracks in the transversely isotropic background

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Petroleum Science 2024年第1期21卷 221-243页

作者： Zheng-Qian ma Xing-Yao Yin Zhao-Yun Zong Yuan-Yuan tan Ya-Ming Yang National Key Laboratory of Deep Oil and Gas China University of Petroleum(East China)Qingdao266580ShandongChina School of Geosciences China University of Petroleum(East China)Qingdao 266580ShandongChina Pilot National Laboratory for marine Science and technology(Qingdao) Qingdao266200ShandongChina

Seismic prediction of cracks is of great significance in many disciplines,for which the rock physics model is ***,up to now,multitudinous analytical models focus primarily on the cracked rock with the isotropic background,while the explicit model for the cracked rock with the anisotropic background is rarely investigated in spite of such case being often encountered in the ***,we first studied dependences of the crack opening displacement tensors on the crack dip angle in the coordinate systems formed by symmetry planes of the crack and the background anisotropy,respectively,by forty groups of numerical *** on the conclusion from the experiments,the analytical solution was derived for the effective elastic properties of the rock with the inclined penny-shaped cracks in the transversely isotropic ***,we comprehensively analyzed,according to the developed model,effects of the crack dip angle,background anisotropy,filling fluid and crack density on the effective elastic properties of the cracked *** analysis results indicate that the dip angle and background anisotropy can significantly either enhance or weaken the anisotropy degrees of the P-and SH-wave velocities,whereas they have relatively small effects on the SV-wave velocity ***,the filling fluid can increase the stiffness coefficients related to the compressional modulus by reducing crack compliance parameters,while its effects on shear coefficients depend on the crack dip *** increasing crack density reduces velocities of the dry rock,and decreasing rates of the velocities are affected by the crack dip *** comparing with exact numerical results and experimental data,it was demonstrated that the proposed model can achieve high-precision estimations of stiffness ***,the assumption of the weakly anisotropic background results in the consistency between the proposed model and Hudson's published theory for the or

关键词： Effective elastic property tilted crack transverse isotropy Analytical solution Crack opening displacement

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Evaluation of teplizumab's efficacy and safety in treatment of type 1 diabetes mellitus:A systematic review and meta-analysis

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World journal of Diabetes 2024年第7期15卷 1615-1626页

作者： Xiao-Lan ma Dan Ge Xue-jian Hu Department of Endocrinology and Metabolism The Second Affiliated Hospital of Lanzhou UniversityLanzhou 730000Gansu ProvinceChina

BACKGROUND islets of Langerhans beta cells diminish in autoimmune type 1 diabetes mellitus(t1DM).teplizumab,a humanized anti-CD3 monoclonal antibody,may help *** long-term implications on clinical t1DM development,safety,and efficacy are *** to assess the effectiveness and safety of teplizumab as a therapeutic intervention for individuals with *** A systematic search was conducted using four electronic databases(PubMed,Embase,Scopus,and Cochrane Library)to select publications published in peerreviewed journals written in *** odds ratio(OR)and risk ratio(RR)were calculated,along with their 95%*** assessed heterogeneity using Cochrane Q and i2 statistics and the appropriate P *** there were 8 randomized controlled trials(RCts)in the current meta-analysis with a total of 1908 t1DM patients from diverse age cohorts,with 1361 patients receiving teplizumab and 547 patients receiving a *** was found to have a substantial link with a decrease in insulin consumption,with an OR of 4.13(95%Ci:1.72 to 9.90).teplizumab is associated with an improved Cpeptide response(OR 2.49;95%Ci:1.62 to 3.81)and a significant change in Glycated haemoglobin A1c(HbA1c)levels in people with type 1 diabetes[OR 1.75(95%Ci:1.03 to 2.98)],and it has a RR of 0.71(95%Ci:0.53 to 0.95).CONCLUSiON in type 1 diabetics,teplizumab decreased insulin consumption,improved C-peptide response,and significantly changed HbA1c levels with negligible side *** appears to improve glycaemic control and diabetes management with good safety and efficacy.

关键词： type-1 diabetes mellitus teplizumab Anti-CD3 monoclonal antibody insulin Glycated haemoglobin A1c Cpeptide

Grain size refinement of additive manufactured Ce-tZP ceramics by coupled two-step pre-sintering and HiP

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journal of Advanced Ceramics 2024年第5期13卷 621-629页

作者： Ruoshi Zhao Hongbing Yang Xintong Liu Hezhen Li Chang-An Wang jing ma Yanhao Dong State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

Ceria-stabilized tetragonal zirconia polycrystal(Ce-tZP)has exceptional fracture toughness and flaw tolerance due to facile t‒m phase transformation ***,its wider-range applications are limited by its relatively low strength due to its large grain size and low transformation stress,which results in yield-like ***,we combined additive manufacturing(AM),pressureless two-step sintering,and hot isostatic pressing(HiP),and addressed the challenging grain size refinement problem in *** successfully produced dense ultrafine-grained Ce-tZP ceramics with an average grain size below 500 nm,a three-point bending strength above 800 MPa,and a single-edge-notch-beam fracture toughness in the range of 11‒12 MPa·m^(1/2).the critical roles of processing design,mixed Ce valences,and ***-stabilization of tetragonal polymorphs were *** work offers insights and strategies for the future development of stronger and tougher Ce-tZP ceramics that can compete with tetragonal yttria-stabilized zirconia in various applications,including additive manufacturing.

关键词： zirconia additive manufacturing(AM) two-step sintering hot isostatic pressing(HiP) grain size refinement

Causal role of immune cells in obstructive sleep apnea hypopnea syndrome:Mendelian randomization study

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World journal of Clinical Cases 2024年第7期12卷 1227-1234页

作者： Huang-Hong Zhao Zhen ma Dong-Sheng Guan Department of Encephalopathy Henan Provincial Hospital of Traditional Chinese MedicineZhengzhou 450000Henan ProvinceChina Department of Personnel The First Affiliated Hospital of Henan University of Traditional Chinese MedicineZhengzhou 450000Henan ProvinceChina Department of Neurology Henan Provincial Hospital of Traditional Chinese MedicineZhengzhou 450000Henan ProvinceChina

BACKGROUND Despite being one of the most prevalent sleep disorders,obstructive sleep apnea hypoventilation syndrome(OSAHS)has limited information on its immunologic *** immunological underpinnings of certain major psychiatric diseases have been uncovered in recent years thanks to the extensive use of genome-wide association studies(GWAS)and genotyping techniques using highdensity genetic markers(e.g.,SNP or CNVs).But this tactic hasn't yet been applied to *** a Mendelian randomization analysis,we analyzed the causal link between immune cells and the illness in order to comprehend the immunological bases of *** to investigate the immune cells'association with OSAHS via genetic methods,guiding future clinical *** A comprehensive two-sample mendelian randomization study was conducted to investigate the causal relationship between immune cell characteristics and *** statistics for each immune cell feature were obtained from the GWAS *** on 731 immune cell properties,such as morphologic parameters,median fluorescence intensity,absolute cellular,and relative cellular,was compiled using publicly available genetic *** results'robustness,heterogeneity,and horizontal pleiotropy were confirmed using extensive sensitivity *** Following false discovery rate(FDR)correction,no statistically significant effect of OSAHS on immunophenotypes was ***,two lymphocyte subsets were found to have a significant association with the risk of OSAHS:Basophil%CD33dim HLA DR-CD66b-(OR=1.03,95%Ci=1.01-1.03,PigD+CD24-B cell(OR=1.04,95%Ci=1.02-1.04,P=0.019).CONCLUSiON this study shows a strong link between immune cells and OSAHS through a gene approach,thus offering direction for potential future medical research.

关键词： Obstructive sleep apnea hypopnea syndrome immunity Causal inference MR analysis Sensitivity

Enhancing Data Forwarding Efficiency in Siot with Multidimensional Social Relations

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Computers, materials & Continua 2024年第1期78卷 1095-1113页

作者： Fang Xu Songhao jiang Yi ma manzoor Ahmed Zenggang Xiong Yuanlin Lyu School of Computer and information Science Hubei Engineering UniversityXiaogan432000China School of Computer Science and information Engineering Hubei UniversityWuhan430062China Artificial intelligence industrial technology Research institute Hubei Engineering UniversityXiaogan432000China

Effective data communication is a crucial aspect of the Social internet of things(Siot)and continues to be a significant research *** paper proposes a data forwarding algorithm based on Multidimensional Social Relations(MSRR)in Siot to solve this *** proposed algorithm separates message forwarding into intra-and cross-community forwarding by analyzing interest traits and social connections among *** new metrics are defined:the intensity of node social relationships,node activity,and community *** the community,messages are sent by determining which node is most similar to the sender by weighing the strength of social connections and node *** a node performs cross-community forwarding,the message is forwarded to the most reasonable relay community by measuring the node activity and the connection between *** proposed algorithm was compared to three existing routing algorithms in simulation *** indicate that the proposed algorithmsubstantially improves message delivery efficiency while lessening network overhead and enhancing connectivity and coordination in the Siot context.

关键词： Siot data forwarding social attributes social relations community