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Air-Stable Ultrabright Inverted Organic Light-Emitting Devices with Metal Ion-Chelated Polymer Injection Layer

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Nano-Micro Letters 2022年第1期14卷 239-249页

作者： Shihao Liu Chunxiu Zang Jiaming Zhang Shuang Tian Yan Wu Dong Shen Letian Zhang Wenfa Xie Chun-sing Lee State Key Laboratory of Integrated Optoelectronics College of Electronics Science and EngineeringJilin University2699 Qianjin StreetChangchun 130012People’s Republic of China Department of Chemistry Center of Super-Diamond and Advanced Films(COSDAF)City University of Hong KongKowloonHong KongPeople’s Republic of China

Here,this work presents an air-stable ultrabright inverted organic lightemitting device(OLED)by using zinc ionchelated polyethylenimine(pe.)as electron injection *** zinc chelation is demonstrated to increase the conductivity of the pe. by three orders of magnitude and passivate the polar amine *** these physicochemical prope.ties,the inverted OLED shows a record-high external quantum efficiency of 10.0% at a high brightness of 45,610 cd m^(-2) and can deliver a maximum brightness of 121,865 cd m^(-2).Besides,the inverted OLED is also demonstrated to possess an excellent air stability(humidity,35%)with a half-brightness ope.ating time of 541 h@1000 cd m^(-2) without any protection nor encapsulation.

关键词： Air stability Ultrabright Electron injection Metal ion chelation Inverted organic light-emitting device

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《补续高僧传》文本疏误辨考

聊城大学学报（社会科学版） 2024年第3期 95-101页

作者：张敬霞谭勤浙江大学古籍研究所浙江杭州310028 浙江师范大学方志文化研究与传承协同创新中心浙江金华321004

明河历尽艰辛,撰成《补续高僧传》书稿二十六卷,有功僧史研究匪浅,也难免存在一些疏误。将《补续高僧传》文本与明河所据原始材料比勘,可以发现《补续高僧传》存在节略不当、系年疏误、采择不精、曲笔讳饰等明河编撰之失。《补续高僧传... 详细信息

明河历尽艰辛,撰成《补续高僧传》书稿二十六卷,有功僧史研究匪浅,也难免存在一些疏误。将《补续高僧传》文本与明河所据原始材料比勘,可以发现《补续高僧传》存在节略不当、系年疏误、采择不精、曲笔讳饰等明河编撰之失。《补续高僧传》仅有毛晋刻本存世,用他书对其进行校勘,可纠正其讹文、脱文、衍文、倒文等毛晋刊本之误。

关键词：《补续高僧传》编撰传刻疏误辨考

Flexible and biocompatible poly(vinyl alcohol)/multi-walled carbon nanotubes hydrogels with epsilon-near-zero prope.ties

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Journal of Materials Science & Technology 2022年第36期131卷 91-99页

作者： Jiahong Tian Runhua Fan Zheng Zhang Yang Li Haikun Wu pe.gtao Yang pe.tao Xie Wenxin Duan Chun-sing Lee College of Ocean Science and Engineering Shanghai Maritime UniversityShanghai 201306China Department of Applied Mathematics The Hong Kong Polytechnic UniversityHong KongChina Department of Chemistry City University of Hong KongHong KongChina Hong Kong Branch of National Precious Metals Material Engineering Research Centre City University of Hong KongHong KongChina State Key Laboratory of Bio-Fibers and Eco-Textiles Institute of Biochemical Engineering College of Materials Science and EngineeringQingdao UniversityQingdao 266071China

Epsilon-near-zero(ENZ)material has been a research hotspot in recent years due to unique physical prope.ties such as inverse Doppler effect and negative refractive index,showing great potentials in the fields of flexible electronics,wearable devices,sensors,*** ENZ materials are mostly reported at visible,infrared and terahertz wavelengths,while the report about ENZ materials at radio frequency is *** this work,flexible and biocompatible poly(vinyl alcohol)/multi-walled carbon nanotubes(PVA/MWCNTs)hydrogels,which were successfully fabricated by an environmentally friendly method,were used as ENZ materials at radio frequency for the first *** expe.iments proved that the expe.imental process and products are green,environmentally friendly and *** microstructure,crystalline structure,chemical composition and dielectric prope.ties were *** different water states,which were free water molecules and bound water molecules,coexisted in these PVA/MWCNTs hydrogels and accounted for about 37.5 wt%and 15.9 wt%respe.tively by analyzing the thermogravimetric analysis *** the MWCNTs content reached 12 wt%and 15 wt%,the continuous conductive MWCNTs network was formed in the hydrogel,and ENZ phenomenon was observed at about 760 k Hz and 580 k Hz respe.tively,which was attributed to the interband *** the flexibility and non-toxicity of PVA/MWCNTs hydrogels,the ENZ prope.ties of this structure at the radio frequency can be well used in wearable invisibility cloak,flexible electronics,skin sensors and other wearable devices.

关键词： Epsilon-near-zero Hydrogels Biocompatibility Negative pe.mittivity

Screening polype.tomy rates below quality benchmarks:A prospe.tive study

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World Journal of Gastroenterology 2014年第43期20卷 16300-16305页

作者： Maida J Sewitch Mengzhu Jiang Mélanie Fon sing Alan Barkun Lawrence Joseph Department of Medicine Mc-Gill UniversityMontréalQuébec H3G 1Y6Canada Division of Clinical Epidemiology Research Institute of the Mc Gill University Health CentreMontréalQuébec H3A 1A1Canada Department of Epidemiology Biostatistics and Occupational HealthMc Gill UniversityMontréalQuébec H3A 1A2Canada

AIM: To estimate and compare sex-spe.ific screening polype.tomy rates to quality benchmarks of 40% in men and 30% in women.

关键词： Benchmarking Colonoscopy Colorectal cancer Quality assurance Screening

Extraction of Flavonoids from Bitter Melon

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Food and Nutrition Sciences 2014年第5期5卷 458-465页

作者： sing pe. tan Sophie E. Parks Costas E. Stathopoulos Paul D. Roach School of Environmental and Life Sciences University of Newcastle Ourimbah Australia School of Environmental and Life Sciences University of Newcastle Ourimbah Australia Central Coast Primary Industries Cen- tre NSW Department of Primary Industries Ourimbah Australia.

Bitter melon, Momordica charantia L, is a popular traditional medicinal fruit in tropical and subtropical countries. It has been linked with therape.tic effects, some of which are likely due to its flavonoids. To determine its total flavonoid content (TFC) and to prepare extracts for use as nutritional supplements or ingredients for nutraceutical functional foods, various solvents have been used, including water, which is the preferred solvent because it is inexpe.sive, safe and environmentally friendly. The study aimed to extract bitter melon, using five solvents (ethanol, methanol, n-butanol, acetone and water) before and after the optimal conditions for water were determined in terms of extraction tempe.ature, time, ratio of water to bitter melon (mL/g) and number of times the same material was extracted. The TFC of six varieties of bitter melon was also determined. Acetone was the best of the five solvents for extracting flavonoids from the Moonlight variety (23.2 mg Rutin Equivalents (RE)/g). Even after increasing the extraction by 88% (1.24 vs 0.66 mg RE/g) using optimised conditions for the aqueous extraction (two extractions at 40℃ for 15 min at a ratio of 100:1 mL/g of bitter melon powder), the flavonoids extracted from the Moonlight variety using water was very little (5.4%) compared to acetone. Furthermore, using acetone, it was shown that the Moonlight variety (23.2 mg RE/g) bought at a local market had higher levels of flavonoids than the greenhouse-grown Jade (15.3 mg RE/g), Niddhi (16.9 mg RE/g), Indra (15.0 mg RE/ g), Hanuman (3.9 mg RE/g) and White (6.9 mg RE/g) varieties. Therefore, acetone was the best solvent for extracting flavonoids from bitter melon and the aqueous extraction could only be improved to extract 5.4% of the flavonoids extracted with acetone from the Moonlight variety, which had the highest TFC of the six varieties of bitter melon.

关键词： Flavonoids Bitter Melon Acetone Aqueous Extractions

Dopaminergic effects on in vitro osteogenesis

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Bone Research 2015年第3期3卷 130-139页

作者： Dong Joon Lee Henry C Tseng sing Wai Wong Zhengyan Wang Meng Deng Ching-Chang Ko NC Oral Health Institute School of Dentistry University of North Carolina Duke Eye Center and Department of Ophthalmology Duke University Medical Center Oral Biology Program School of Dentistry University of North Carolina Department of pe.iatric Dentistry School of Dentistry University of North Carolina Department of Orthodontics School of Dentistry University of North Carolina

Multiple growth factors（e.g., BMP2, TGF-b1, FGF2） and isolated genes have been shown to improve osteoblastic proliferation and mineralization, advancing bone tissue engineering. Among these factors, both polydopamine（PDA） and dopamine（DA） monomer have recently been reported to increase osteoblast proliferation and mineralization in vitro. Although a well-characterized neurotransmitter, DA＇s role in the bone is unknown. We hypothesize that DA can directly act on osteoblasts, and examined whether osteoblasts express DA receptors that respond to exogenous DA. m RNAs and protein cell lysates were obtained from MC3T3-E1 cells during osteogenic differentiation phase. Reverse transcription polymerase chain reaction and western blot analysis were used to examine the expression of DA receptors, D1–D5. Dose-response effect and time course of DA treatment on cell proliferation, mineralization, and osteogenic differentiation were investigated at pre-determined days. Real-time PCR was pe.formed to investigate whether DA affects osteogenic gene expression（ALP, BSP, OC, OSX, RUNX2, and Collagen1a2） with or without receptor antagonists（SCH233390 and GR103691）. Two-way ANOVA was used for statistical analysis. All five DA receptors（D1, D2, D3, D4, and D5） m RNAs and proteins were expressed in MC3T3-E1 cells. DA treatment increased cell proliferation for up to 7 days（P, 0.05）. Osteogenic mineralization was significantly greater in the DA-treated group than control group（P, 0.05）. Finally, expression of all the osteogenic genes was inhibited by DA receptor antagonists for D1, D3, and D5. Our findings suggest that MC3T3-E1 osteoblasts express functional DA receptors that enhance proliferation and mineralization. PDA is not biologically inert and has important implications in orthope.ic applications. Furthermore, osteoblast differentiation might be regulated by the nervous system, presumably during bone development, remodeling, or repair.

关键词： DIFFERENTIATION RECEPTORS CYTOTOXICITY INNERVATION EXPRESSION DELETION TISSUE

Fabricating Na/In/C Composite Anode with Natrophilic Na-In Alloy Enables Supe.ior Na Ion Deposition in the EC/PC Electrolyte

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Nano-Micro Letters 2022年第2期14卷 45-59页

作者： Hui Wang Yan Wu Ye Wang Tingting Xu Dezhi Kong Yang Jiang Di Wu Yongbing tang Xinjian Li Chun-sing Lee Key Laboratory of Material Physics of Ministry of Education School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052People’s Republic of China Department of Chemistry Center of Super‑Diamond and Advanced Films(COSDAF)City University of Hong KongHong Kong SAR 999077People’s Republic of China School of Materials Science and Engineering Hefei University of TechnologyHefei 230009AnhuiPeople’s Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen 518055People’s Republic of China

In conventional ethylene carbonate(EC)/propylene carbonate(PC)electrolyte,sodium metal reacts spontaneously and deleteriously with solvent *** significantly limits the practical feasibility of high-voltage sodium metal batteries based on Na metal ***,we present a sodium metal alloy strategy via introducing NaIn and Na_(2)In phases in a Na/In/C composite,aiming at boosting Na ion deposition stability in the common EC/PC *** cells with Na/In/C electrodes achieve an impressive long-term cycling capability at 1 mA cm^(-2)(>870 h)and 5 mA cm^(-2)(>560 h),respe.tively,with a capacity of 1 mAh cm^(-2).In situ optical microscopy clearly unravels a stable Na ion dynamic deposition process on the Na/In/C composite electrode surface,attributing to a dendrite-free and smooth ***,theoretical simulations reveal intrinsic mechanism for the reversible Na ion deposition behavior with the composite Na/In/C *** pairing with a highvoltage NaVPOF cathode,Na/In/C anode illustrates a better suitability in SMB *** work promises an alternative alloying strategy for enhancing Na metal interfacial stability in the common EC/PC electrolyte for their future applications.

关键词： EC/PC electrolyte Sodium metal batteries Na/In/C electrode Dendrite-free and smooth morphology Theoretical simulations

State of Science:Why Does Rework Occur in Construction?What Are Its Consequences?And What Can be Done to Mitigate Its Occurrence?

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Engineering 2022年第11期18卷 246-258页

作者： pe.er E.D.Love Jane Matthews Michael C.P.sing Stuart R.Porter Weili Fang School of Civil and Mechanical Engineering Curtin UniversityPerthWA 6845Australia School of Architecture and Built Environment Deakin University Geelong Waterfront CampusGeelongVIC 3220Australia School of Architecture and Built Environment The University of NewcastleCallaghanNSW 2308Australia Department of Civil and Building Systems Technische Universität BerlinBerlin 13156Germany

There has been a wealth of research that has examined the nature of rework in *** toward addressing the rework problem has been limited-it still plagues practice,adversely impacting a project’s *** all rework studies have focused on determining its proximal or root causes and therefore have overlooked the conditions that result from its *** filling this void,this pape. draws upon our previous empirical studies,amongst others,to provide a much-needed theoretical framing to understand better why rework occurs,what its consequences are,and how it can be mitigated during *** theoretical framing we derive from our review provides construction organizations and their projects with a realization that the journey to mitigating rework begins with creating an error-mastery culture comprising authentic leadership,psychological safety,an errormanagement orientation,and *** suggest that,once an error-mastery culture is established within construction organizations and their projects,they will be better positioned to realize the benefits of the techniques,tools,and technologies espoused to address rework,such as the Last Planner® and building information *** also provide directions for future research and identify implications for practice so that strides toward rework mitigation in construction can be made.

关键词： Construction Errors Error-mastery culture Pathogens Rework Violations

Tunable catalytic activity of gadolinium-dope. ceria nanoparticles for pro-oxidation of hydrogen pe.oxide

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Nano Research 2020年第9期13卷 2384-2392页

作者： Anuja Bhalkikar Tai-sing Wu Tamra J.Fisher Anandakumar Sarella Dawei Zhang Yi Gao Yun-Liang Soo Chin Li Cheung Department of Chemistry University of Nebraska-LincolnLincolnNE 68588USA Department of Physics "National Tsing Hua University"Hsinchu 30013TaiwanChina Nebraska Center for Materials and Nanoscience University of Nebraska-LincolnLincolnNEB 68588USA Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China "National Synchrotron Radiation Research Centre" Hsinchu 30076TaiwanChina

We report a study of the roles of gadolinium(lll)(Gd3+)dopants in influencing the catalytic activity of gadolinium-dope. ceria nanoparticles towards the pro-oxidation of hydrogen pe.oxide to hydroxyl *** dope. ceria nanoparticles with dopant concentrations of 0.6 wt.%,3 wt.%,and 6 wt.%Gd^3+were synthesized using an ozone-mediated method for tuning their catalytic *** Gd dopants were found to foster an increase in the pe.centage of Ce^3+ions in the dope. ceria *** reaction kinetic study revealed that the relationship between the overall reaction rates and the Gd dopant concentrations in our dope. materials followed a volcano-like *** contrast,the apparent activation energy values of these Gd-dope. ceria nanoparticles were found to be positively associated with the concentrations of Gd *** overall catalytic activity trend was attributed to the interplay between the promotion and degradation effects of the Gd dopants on the prope.ties of dope. ceria nanoparticles.

关键词： ceria cerium oxide gadolinium pro-oxidation hydrogen pe.oxide hydroxyl radicals ozone