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Toward a biomarker panel measured in CNS-originating extracellular vesicles for improved differential diagnosis of Parkinson’s disease and multiple system atrophy

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Translational Neurodegeneration 2023年第1期12卷 677-680页

作者： Hash Brown Taha Simon Hornung Suman Dutta Leony Fenwick Otmane Lahgui Kathryn Howe Nour Elabed Irish del Rosario darice y.wong Aline Duarte Folle Daniela Markovic Jose-Alberto Palma Un Jung Kang Roy N.Alcalay Miriam Sklerov Horacio Kaufmann Brent L.Fogel Jeff M.Bronstein Beate Ritz Gal Bitan Department of Neurology David Geffen School of MedicineUniversity of California Los AngelesLos AngelesCA 90095USA Department of Integrative Biology and Physiology University of California Los AngelesLos AngelesCA 90095USA Department of Epidemiology Fielding School of Public HealthUniversity of California Los AngelesLos AngelesCA 90095USA Department of Medicine Statistics Core Division of General Internal Medicine and Health Services ResearchUniversity of California Los AngelesLos AngelesCA 90095USA Department of Neurology Dysautonomia CenterNew York University School of MedicineNew YorkNY 10016USA Department of Neurology Taub Institute for Research on Alzheimer’s Disease and the Aging BrainColumbia UniversityNew YorkNY 10032USA Department of Neurology Tel Aviv Sourasky Medical CenterTel AvivIsrael Department of Neurology University of North Carolina School of MedicineChapel HillNC 27599USA Department of Neurology The Marlene and Paolo Fresco Institute for Parkinson’s and Movement DisordersNew York University School of MedicineNew YorkNY 10016USA Department of Human Genetics David Geffen School of MedicineUniversity of California Los AngelesLos AngelesCA 90095USA UCLA Clinical Neurogenomics Research Center David Geffen School of MedicineUniversity of CaliforniaLos AngelesCA 90095USA Brain Research Institute University of CaliforniaLos AngelesCA 90095USA Molecular Biology Institute University of California Los AngelesLos AngelesCA 90095USA Present Address:Division of Peptide Biochemistry TUM School of Life SciencesTechnical University of Munich85354 FreisingGermany

Synucleinopathies are neurodegenerative diseases char-acterized by accumulation of misfoldedα-synuclein(α-syn)inclusions in neuronal and/or glial *** differences in the underlying pathophysiology,synucle-inopathies ... 详细信息

关键词： diagnosis atrophy diseases

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Effects of polydimethylsiloxane membrane surface treatments on human uterine smooth muscle cell strain response

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Bioactive Materials 2024年第2期32卷 415-426页

作者： Elizabeth E.Marr Brett C.Isenberg Joyce y.wong Boston University Division of Materials Science and EngineeringUnited States Charles Stark Draper Laboratory Bioengineering DivisionUnited States Boston University Department of Biomedical EngineeringUnited States

In the United States,1 in 10 infants are born *** majority of neonatal deaths and nearly a third of infant deaths are linked to preterm *** birth is initiated when the quiescent state of the uterus ends prematurely,leading to contractions and parturition beginning as early as 32 weeks,though the origins are not well *** enable research and discovery of therapeutics with potential to better address preterm birth,the capability to study isolated cell processes of pregnant uterine tissue in vitro is *** development of an in vitro model of the myometrium utilizing human uterine smooth muscle cells(uSMCs)responsible for contractions provides a methodology to examine cellular mechanisms of late-stage pregnancy potentially involved in preterm *** discuss culture of uSMCs on a flexible polydimethylsiloxane(PDMS)substrate functionalized with cationic poly-L-lysine(PLL),followed by extracellular matrix(ECM)protein *** work exploring uSMC behavior on PDMS substrates have utilized collagen-I coatings,however,we demonstrated the first exploration of human uSMC response to strain on fibronectin-coated flexible membranes,importantly reflecting the significant increase of fibronectin content found in the myometrial ECM during late-stage *** the model we developed,we conducted proof-of-concept studies to investigate the impact of substrate strain on uSMC cell morphology and gene *** was found that PLL and varied ECM protein coatings(collagen I,collagen III,and fibronectin)altered cell nuclei morphology and density on PDMS ***,varied strain rates applied to uSMC substrates significantly impacted uSMC gene expression of IL-6,a cytokine associated with instances of preterm *** results suggest that both surface and mechanical properties of in vitro systems impact primary human uSMC phenotype and offer uSMC culture methodologies that can be utilized to further the understanding of cellu

关键词： Uterine Myometrium Bioengineered in vitro models Strain Pregnancy Nuclei Interleukin 6 Preterm labor

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Doxorubicin: The dogma and the bone

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Asian Journal of Pharmaceutical Sciences 2016年第1期11卷 22-23页

作者： Jia y.wong Pornsak Sriamornsak Crispin R.Dass School of Pharmacy Curtin UniversityBentley 6102Australia Department of Pharmaceutical Technology and Pharmaceutical Biopolymer Group(PBiG)Faculty of PharmacySilpakorn UniversityNakhon Pathom 73000Thailand

Doxorubicin is an anthracycline drug used as frontline chemotherapy of osteosarcoma among other types of *** quite effective in providing a good control over the tumours in some patients,it can cause significant toxicity to organs such as the heart[1].Attempts to ameliorate this toxicity with agents such as dexrazoxane have been successful,but not without complications[2]as will be discussed in this *** epithelium-derived factor(PEDF),a potent antiangiogenic and osteogenetic protein[3],was used to reduce this side-effect,together with an analysis of levels of adenosine triphosphate(ATP)and reactive oxygen species(ROS).The effects of low dose doxorubicin in a clinically relevant dosing model will be discussed.

关键词： Doxorubicin Cancer Tumour Apoptosis Cardiotoxicity

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QUASI-INTERPOLATING OPERATORS AND THEIR APPLICATIONS IN HyPERSINGULAR INTEGRALS

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Journal of Computational Mathematics 1998年第4期16卷 337-344页

作者： wong, RH Lu, y Dalian Univ Technol Inst Math Sci Dalian 116024 Peoples R China

The purpose of this paper is to propose and study a class of quasi-interpolating operators in multivariate spline space S-1/2(Delta(mn)(2*)) on non-uniform type-2 triangulation. Based on the operators, we construct cubature formula for two-dimensional hypersingular integrals. Some computing work have been done and the results are quite satisfactory.

关键词： hypersingular integral finite-part integral quasi-interpolating operator non-uniform type-2 triangulation

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Charge balance materials for homojunction and heterojunction OLED applications

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Frontiers of Optoelectronics 2009年第4期2卷 435-441页

作者： Louis M.LEUNG yik-Chung LAW Michael y.wong Tik-Ho LEE Kin Ming LAI Lok-yee TANG Department of Chemistry and Centre for Advanced Luminescence Materials Hong Kong Baptist University

In a homojunction device, a single organic layer assumes the multiple roles of hole, electron transportation, and emitter. Its ease in processing is highly desirable from the manufacturing point of view. In this paper, we shall describe the synthesis of a range of bipolar small molecules and conductive vinyl polymers for application in homojunction and heterojunction organic light emitting diodes（OLEDs）. The bipolar materials, in general, consist of three basic building blocks: an arylamine, a 1,3,4-oxadiazole, and a polycyclic aromatic moiety. The achievement of charge balance can be validated either by direct measurement of electron/hole mobility or indirectly via optimization of device properties.A series of conductive vinyl copolymers containing hole transporting N-（4-methoxyphenyl）-N-（4-vinylphenyl）naphthalen-1-amine（4MeONPA） and electron transporting 2-phenyl-5-（4-vinylphenyl）-1,3,4-oxadiazole（OXA）at different compositions was applied for heterojunction and homojunction OLEDs. For heterojunction devices employed the copolymers as the hole transporting layer and Alq3as the electron transporting and emitting layer,a maximum luminance and current efficiency of over 23000 cd/m2and 4.2 cd/A（PL of Alq3）, respectively, were achieved at the charge balance composition. Homojunction devices for the copolymers were demonstrated by the addition of rubrene as a dopant. The single layer devices at the optimal copolymer composition has ca 1500 cd/m2and 0.74 cd/A.

关键词： homojunction devices charge balance bipolar small molecules conductive vinyl copolymers

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工业以太网物理层设计应用

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电子技术应用 2007年第6期33卷 108-111页

作者： Jim y.wong Tung Ngo 美国国家半导体

以美国国家半导体的单板解决方案,搭载了DP83848 PHy、LM5072 PoE PD接口和PWM控制器,探讨工业以太网物理层的应用设计。

关键词： Fieldbus 可编程逻辑控制器(PLC) CAN 工业以太网 Interbus

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加拿大华人内化文化资本与餐饮正统口味的构建

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北方民族大学学报（哲学社会科学版） 2016年第6期 42-45页

作者： Mark y.wong 周建新深圳大学文化产业研究院

时下,针对"一带一路"话语中如何建构中国产业和文化软实力的讨论越来越多。事实上,中国餐饮产业在此话语出现前已经传入北美地区,并且对于该地区人民的日常生活、文化建构乃至身份认同都产生了重大影响。这一影响也波及加拿大西部的许... 详细信息

时下,针对"一带一路"话语中如何建构中国产业和文化软实力的讨论越来越多。事实上,中国餐饮产业在此话语出现前已经传入北美地区,并且对于该地区人民的日常生活、文化建构乃至身份认同都产生了重大影响。这一影响也波及加拿大西部的许多地区。北美中餐行业中口味的正统性建构,不仅是一种商业行为和文化情怀,而且也与族群认同和集体记忆息息相关。

关键词：文化资本口味集体记忆加拿大华人

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Asymptotic Properties of a Modified Semi-Parametric MLE in Linear Regression with Right-Censored Data

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Acta Mathematica Sinica,English Series 2002年第2期18卷 405-416页

作者： wong George y.C. Strang Cancer Prevention Center.428 E 72nd Street.New york.Ny 10021.USA

Consider a linear regression model y=β'X+*** y may be right censored and the cdf F+o of e is *** show that a modified semi-parametric *** by .is strongly consistent under certain regularity *** F_o is discontinuous,then P(≠βi.o.)=0, which means that P(=βif the sample size is large)=*** latter property has not been reported for the existing *** contrast,most estimators,such as the Buckley-James estimator and M-estimators .satisfy that P(≠βi.o.)=1.

关键词： Consistency Super-efficiency Semi-parametric MLE

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Simultaneous harvesting and cell disruption of microalgae using ozone bubbles:optimization and characterization study for biodiesel production

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Frontiers of Chemical Science and Engineering 2021年第5期15卷 1257-1268页

作者： Wan N.A.Kadir Man K.Lam yoshimitsu Uemura Jun W.Lim Peck L.Kiew Steven Lim Siti S.Rosli Chung y.wong Pau L.Show Keat T.Lee Chemical Engineering Department Universiti Teknologi PETRONASSeri Iskandar32610Malaysia HICoE-Centre for Biofuel and Biochemical Research Institute of Self-Sustainable BuildingUniversiti Teknologi PETRONASSeri Iskandar32610Malaysia NPO Kuramae Bioenergy Tokyo108-0023Japan Fundamental and Applied Sciences Department Universiti Teknologi PETRONASSeri Iskandar32610Malaysia Faculty of Engineering Technology&Built EnvironmentUniversity College Sedaya InternationalCheras Kuala Lumpur56000Malaysia Department of Chemical Engineering Lee Kong Chian Faculty of Engineering and ScienceUniversiti Tunku Abdul RahmanSungai LongSelangor43000Malaysia Department of Chemical and Environmental Engineering Faculty of Science and EngineeringUniversity of Nottingham MalaysiaSemenyih43500Malaysia School of Chemical Engineering Universiti Sains MalaysiaEngineering CampusNibong Tebal14300Malaysia

In the present study, ozone was introduced as an alternative approach to harvest and disrupt microalgae cells (Chlorella vulgaris) simultaneously for biodiesel production. At the optimum ozonation conditions (6.14 g·h^(−1) ozone concentration, 30 min ozonation time, 1 L·min^(−1) of ozone flowrate at medium pH of 10 and temperature of 30℃), the sedimentation efficiency of microalgae cells increased significantly from 12.56% to 68.62%. It was observed that the microalgae cells aggregated to form flocs after pretreated with ozone due to the increment of surface charge from −20 to −6.59 mV. Besides, ozone had successfully disrupted the microalgae cells and resulted in efficient lipid extraction, which was 1.9 times higher than the control sample. The extracted microalgae lipid was mainly consisted of methyl palmitate (C16:0), methyl oleate (C18:1) and methyl linolenate (C18:3), making it suitable for biodiesel production. Finally, utilization of recycled culture media after ozonation pre-treatment showed robust growth of microalgae, in which the biomass yield was maintained in the range of 0.796 to 0.879 g ·h^(−1) for 5 cycles of cultivation.

关键词： microalgae biodiesel ozonation pre-treatment lipid

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Edible Bird's Nest:Food or Medicine?

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Chinese Journal of Integrative Medicine 2013年第9期19卷 643-649页

作者： Rebecca S.y.wong Faculty of Medicine SEGi University

Edible bird＇s nest （EBN） is derived from the saliva of certain types of swiflets. It is consumed in many parts of the world for its nutritional and medicinal values. Although many claims have been made on the therapeutic and health- promoting effects of EBN, scientific documentations regarding these effects are very limited in published literature. It is not until recently that the biological effects of EBN are being investigated and evidence-based studies are being conducted. Several studies have found that EBN may enhance cell proliferation and differentiation and various beneficial effects have been reported in vitro as well as in vivo. While these studies point towards the potential use of EBN in the treatment or even prevention of several diseases, the mechanisms of action of EBN remain largely unknown and more explorations are needed. This review is one of the very few scientific reviews onEBN which focuses on recent evidence-based discoveries.

关键词： edible bird's nest nutritional values composition potential health-promoting effects

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