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Electrolyte Effect on Photoetching of Gallium Nitride

Nanomanufacturing and Metrology 2024年第1期7卷 61-74页

作者： Huiqiang liang zh.nghao Wei Jiongchong Fang Yanming Li Changli Li zhirun Xie Yun Hau ng Guosong Zeng Shenzhen Key Laboratory of Intelligent Robotics and Flexible Manufacturing Systems Southern University of Science and TechnologyShenzhen 518055People’s Republic of China Department of Mechanical and Energy Engineering Southern University of Science and TechnologyShenzhen 518055People’s Republic of China School of Materials Sun Yat-Sen UniversityGuangzhou 510275People’s Republic of China School of Energy and Environment City University of Hong KongKowloon 999077Hong Kong SARPeople’s Republic of China City University of Hong Kong Shenzhen Research Institute Shenzhen Hi-Tech Industrial ParkNanshan DistrictShenzhen 518000People’s Republic of China SUSTech Energy Institute for Carbon Neutrality Southern University of Science and TechnologyShenzhen 518055People’s Republic of China

The limited material removal rate of conventional chemical mechanical polishing(CMP)significantly hinders the fabrica-tion efficiency and surface quality,thereby preventing the development of gallium nitride(GaN)-based ***,the incorporation of photoelectrochemistry in CMP has garnered increasing attention because of its potential to enhance the quality and efficiency of the GaN ***,a considerable gap still exists in the comprehensive understanding of the specific photoelectrochemical(PEC)behavior of ***,we report the influence of the electrolyte on the PEC etching of *** acids and bases were tested,with their pH being carefully *** concentrations of the cations and anions were also *** results showed that photocorrosion/photoetching was more pronounced in sulfuric acid,phosphoric acid,and nitric acid environments than in alkaline environments,but it was less pronounced in hydrochloric ***,the effects of pH and anion concentration on photoetching were investigated,and the results revealed that pho-toetching in acidic environments weakened with increasing pH levels and diminished with increasing sulfate *** underlying reasons contributing to this observation were *** findings provide ideas for improving the pho-toetching efficiency of GaN,thereby enriching the photoelectrochemical mechanical polishing(PECMP)technology of GaN.

关键词： GaN Photoelectrochemistry Photoetching pH

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Casein kinase-2 inhibition promotes retinal ganglion cell survival after acute intraocular pressure elevation

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Neural Regeneration Research 2024年第5期19卷 1112-1118页

作者： Meng Wang Shi-Qi Yao Yao Huang Jia-Jian liang Yanxuan Xu Shaowan Chen Yuhang Wang Tsz Kin ng Wai Kit Chu Qi Cui Ling-Ping Cen Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong ShantouGuangdong ProvinceChina Shantou University Medical College ShantouGuangdong ProvinceChina Beijing Tongren Eye Center Beijing Tongren HospitalCapital Medical UniversityBeijingChina Department of Ophthalmology and Visual Sciences The Chinese University of Hong KongHong Kong Special Administrative RegionChina

Intraocular pressure elevation can induce retinal ganglion cell death and is a clinically reversible risk factor for glaucoma,the leading cause of irreversible *** previously demonstrated that casein kinase-2 inhibition can promote retinal ganglion cell survival and axonal regeneration in rats after optic nerve *** investigate the underlying mechanism,in the current study we increased the intraocular pressure of adult rats to 75 mmHg for 2 hours and then administered a casein kinase-2 inhibitor(4,5,6,7-tetrabromo-2-azabenzimidazole or 2-dimethylamino-4,5,6,7-tetrabromo-1H-benzimidazole)by intravitreal *** found that intravitreal injection of 4,5,6,7-tetrabromo-2-azabenzimidazole or 2-dimethylamino-4,5,6,7-tetrabromo-1H-benzimidazole promoted retinal ganglion cell survival and reduced the number of infiltrating *** analysis showed that the mitogen activated protein kinase signaling pathway was involved in the response to intraocular pressure elevation but was not modulated by the casein kinase-2 ***,casein kinase-2 inhibition downregulated the expression of genes(Cck,Htrsa,Nef1,Htrlb,Prph,Chat,Slc18a3,Slc5a7,Scn1b,Crybb2,Tsga10ip,and Vstm21)involved in intraocular pressure *** data indicate that inhibition of casein kinase-2 can enhance retinal ganglion cell survival in rats after acute intraocular pressure elevation via macrophage inactivation.

关键词： casein kinase-2 glaucoma intraocular pressure elevation macrophages retinal ganglion cells

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Neuronal conversion from glia to replenish the lost neurons

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Neural Regeneration Research 2024年第7期19卷 1446-1453页

作者： Shiyu liang Jing zhou Xiaolin Yu Shuai Lu Ruitian Liu National Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijingChina School of Chemical Engineering University of Chinese Academy of SciencesBeijingChina Department of Geriatric Rehabilitation Beijing Rehabilitation HospitalCapital Medical UniversityBeijingChina

Neuronal injury,aging,and cerebrovascular and neurodegenerative diseases such as cerebral infarction,Alzheimer’s disease,Parkinson’s disease,frontotemporal dementia,amyotrophic lateral sclerosis,and Huntington’s disease are characte rized by significant neuronal *** rtunately,the neurons of most mammals including humans do not possess the ability to *** of lost neurons becomes an appealing therapeutic strategy to reve rse the disease *** of pluripotent neural stem cells can supplement the missing neurons in the brain,but it carries the risk of causing gene mutation,tumorigenesis,severe inflammation,and obstructive hydrocephalus induced by brain *** of neural or non-neural lineage cells into functional neurons is a promising strategy for the diseases involving neuron loss,which may overcome the above-mentioned disadvantages of neural stem cell *** far,many strategies to transfo rm astrocytes,fibroblasts,microglia,Muller glia,ng2 cells,and other glial cells to mature and functional neurons,or for the conversion between neuronal subtypes have been developed thro ugh the regulation of transcription factors,polypyrimidine tra ct binding protein 1(PTBP1),and small chemical molecules or are based on a combination of several factors and the location in the central nervous ***,some recent papers did not obtain expected results,and discrepancies ***,in this review,we discuss the history of neuronal transdifferentiation,summarize the strategies for neuronal replenishment and conversion from glia,especially astrocytes,and point out that biosafety,new strategies,and the accurate origin of the truly co nverted neurons in vivo should be focused upon in future *** also arises the attention of replenishing the lost neurons from glia by gene therapies such as up-regulation of some transc ription factors or downregulation of PTBP1 or drug interfe rence therapies.

关键词： astrocytes neural stem cells neurodegenerative diseases neuron polypyrimidine tract binding protein 1 repair reprogramming small molecule transcription factor transdifferentiation

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Experimental Study on Impingement Processes of Fuel Sprays on Biomimetic Structured Surfaces

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Journal of Bionic Engineering 2024年第1期21卷 362-373页

作者： Yanling Chen liang Guo Wanchen Sun Yuying Yan Rong Xuan Junfeng zh.ng State Key Laboratory of Automotive Simulation and Control Jilin UniversityChangchun 130025China Faculty of Engineering University of NottinghamNottingham NG72RDUK

To improve the controllability of the wall-wetting process after the fuel spray-wall impingement in internal combustion engines,the methods of laser etching,chemical etching and surface free energy modification are used to prepare biomimetic structured surfaces with different *** impingement processes of diesel and n-butanol sprays on the walls under different conditions are experimentally *** the surface oleophilicity increases,the spreading radius of wall-impinging sprays *** about 5 s after the fuel injections,the fuel spray droplets hit the walls for the first time,and the secondary breakup and rebound *** mixture concentrations of different fuels hitting the various walls reach the peak *** a higher surface temperature,the peak value of the mixture concentration is mainly related to the heat flux to the fuel droplets in different boiling regimes from the metal *** concentration of the air–fuel mixture in the near wall region increases with increasing surface oleophilicity,increasing wall temperature and decreasing ambient *** with diesel,n-butanol presents a higher air–fuel mixture concentration in the near wall region.

关键词： Spray-wall impingement Morphological development Air-fuel mixture concentration Surface wettability Wall temperature:Ambient pressure

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Full sexual maturity-cycle exposure to environmentally relevant concentrations of 17β-estradiol decreases reproductive capacity of zebrafish

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Journal of Environmental Sciences 2024年第3期137卷 580-592页

作者： Yongkang zh.ng Yuanjun Jiang Qian Sun Meng Li Sheng Chen Jingyu liang Chunsheng Liu College of Fisheries Huazhong Agricultural UniversityWuhan 430070China School of Environmental Studies China University of GeosciencesWuhan 430074China

17β-Estradiol(E2)has been widely detected in natural water and treatment with E2 induces potential endocrine disrupting effects in ***,effects on fish fecundity and steroid system after treatment with environmentally relevant concentrations of E2 for the full sexual maturation cycle remain *** this study,zebrafish were treatment with 0,10 or100 ng/L E2 from embryo to adult stage,and effects on gonadal development and differentiation,steroid hormone levels,transcription of genes associated with the hypothalamic-pituitary-gonadal-liver(HPG)axis in adults and fertilization rate of offspring were *** results showed that treatment with E2 lead to increased number of feminization in *** females,E2 decreased cumulative amount of spawning and inhibited the maturation of *** males,E2 inhibited the maturation and motility of sperm,as well as decreased the movement speed of *** adverse effects on sperm might be responsible for the reduced fertilization observed in *** addition,treatment with E2 changed the levels of steroid hormones in zebrafish gonad and altered the transcriptional levels of genes associated with HPG axis,which is responsible for the regulation of germ cells maturation and gonadal development in ***,these results suggested that treatment with environmentally relevant concentrations of E2 for the full sexual maturity cycle resulted in adverse effects on reproduction in zebrafish.

关键词： Environmental estrogen Zebrafish Fecundity Gonadal development Endocrine disruption

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Targeting Therapeutic Windows for Rheumatoid Arthritis Prevention

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Chinese Journal of Integrative Medicine 2024年第9期30卷 842-851页

作者： GAO Kai-xin YAng Yi-hong liang Qi MEI Li-yan liang You-bang WAng Mao-jie CHEN Xiu-min HUAng Qing-chun WEN Ze-huai HUAng Run-yue Section of Rheumatology and Immunology Research The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou510120China The Second Clinical Medical College Guangzhou University of Chinese MedicineGuangzhou510405China State Key Laboratory of Dampness Syndrome of Chinese Medicine The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou510120China Guangdong-Hong Kong-Macao Joint Lab on Chinese Medicine and Immune Disease Research Guangzhou University of Chinese MedicineGuangzhou510405China Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome Guangzhou510120China Guangdong Provincial Key Laboratory of Chinese Medicine for Prevention and Treatment of Refractory Chronic Diseases Guangzhou510120China The Key Unit of Methodology of Clinical Research The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou510120China

Rheumatoid arthritis(RA)is a worldwide public health *** to delay or prevent the onset of RA have attracted much attention in recent years,and researchers are now exploring various prevention *** present,there is still no unified consensus for RA prevention,but targeting therapeutic windows and implementing interventions for at-risk individuals are extremely *** to the limited number of clinical trials on pharmacologic interventions,further studies are needed to explore and establish optimal intervention regimens and effective measures to prevent progression to *** this review,we introduce the RA disease process and risk factors,and present research on the use of both Western and Chinese medicine from clinical perspectives regarding RA ***,we describe several complete and ongoing clinical studies on the use of Chinese herbal formulae for the prevention of RA.

关键词： rheumatoid arthritis prevention Chinese medicine review

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Pd-modified CuO-ZnO-Al_(2)O_(3)catalysts via mixed-phases-containing precursor for methanol synthesis from CO_(2)hydrogenation under mild conditions

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Carbon Resources Conversion 2024年第1期7卷 10-20页

作者： Xiao Fan Kaiying Wang Xiaoqing He Shiguang Li Miao Yu Xinhua liang Linda and Bipin Doshi Department of Chemical and Biochemical Engineering Missouri University of Science and TechnologyRollaMO 65409United States Department of Energy Environmental and Chemical EngineeringWashington University in St.LouisSt.LouisMO 63130United States Electron Microscopy Core Facility University of MissouriColumbiaMO 65211United States Department of Mechanical and Aerospace Engineering University of MissouriColumbiaMO 65211United States Gas Technology Institute 1700 South Mount Prospect RoadDes PlainesIL 60018United States Department of Chemical and Biological Engineering University at BuffaloBuffaloNY 14260United States

A series of palladium-modified(Pd-modified)CuO-ZnO-Al_(2)O_(3)(CZA)catalysts with various Pd loadings(0.3 wt%to 2.4 wt%)were prepared using the wetness impregnation method,on two CZA supports with different structures that are CZA-aged precursor composed of a mixture of zincian-malachite and hydrotalcite-like phases(CZA-zh),and CuO-ZnO-Al_(2)O_(3)metal oxide nanoparticles(CZA-MO).Enhancement on catalytic activity can be observed on both Pd-modified CZA catalysts in a temperature range of 180-240℃for methanol synthesis via CO_(2)***/CZA-zh catalysts exhibited a more efficient and stable production of methanol at a relatively low reaction temperature of 180℃for 100 hrs of *** improvement of activity is mainly ascribed to a higher surface area and abundant oxygen-containing functional groups(e.g.,-OH)of CZA-zh support,which is beneficial for better adsorption and distribution of Pd *** temperature programmed reduction and X-ray photoelectron spectroscopy results demonstrated a better interaction between Pd and Cu on Pd/CZA-zh catalysts via enhanced reducibility of CuO,and peak shift of Cu to a lower binding *** difference in the efficient utilization of hydrogen spillover effect of Pd promoter over two CZA supports resulted in the different performances for methanol synthesis under mild reaction co℃nditions.

关键词： CO_(2)hydrogenation Low-temperature methanol synthesis Pd-modification CuO-ZnO-Al_(2)O_(3) Hydrogen spillover

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Taurine attenuates activation of hepatic stellate cells by inhibiting autophagy and inducing ferroptosis

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World Journal of Gastroenterology 2024年第15期30卷 2143-2154页

作者： Sen Li Qian-Jun Ren Can-Hao Xie Yang Cui Li-Tao Xu Yi-Dan Wang Su Li Xing-Qiu liang Bin Wen Ming-Kun liang Xiao-Fang zhao Department of Basic Science Guangxi University of Chinese MedicineNanning 541100Guangxi Zhuang Autonomous RegionChina Department of Science and Technology Ruikang Hospital Affiliated to Guangxi University of Chinese MedicineNanning 541100Guangxi Zhuang Autonomous RegionChina Traditional Chinese Medicine Specialty Office Ruikang Hospital Affiliated to Guangxi University of Chinese MedicineNanning 541100Guangxi Zhuang Autonomous RegionChina

BACKGROUND Liver fibrosis is a compensatory response during the tissue repair process in chronic liver injury,and finally leads to liver cirrhosis or even hepatocellular *** pathogenesis of hepatic fibrosis is associated with the progressive accumulation of activated hepatic stellate cells(HSCs),which can transdiffer-entiate into myofibroblasts to produce an excess of the extracellular matrix(ECM).Myofibroblasts are the main source of the excessive ECM responsible for hepatic ***,activated hepatic stellate cells(aHSCs),the principal ECM producing cells in the injured liver,are a promising therapeutic target for the treatment of hepatic *** To explore the effect of taurine on aHSC proliferation and the mechanisms *** Human HSCs(LX-2)were randomly divided into five groups:Normal control group,platelet-derived growth factor-BB(PDGF-BB)(20 ng/mL)treated group,mmol/L,respectively)with PDGF-BB(20 ng/mL)treated *** Counting Kit-8 method was performed to evaluate the effect of taurine on the viability of ***-linked immunosorbent assay was used to estimate the effect of taurine on the levels of reactive oxygen species(ROS),malondialdehyde,glutathione,and iron *** electron microscopy was applied to observe the effect of taurine on the autophagosomes and ferroptosis features in *** real-time polymerase chain reaction and Western blot analysis were performed to detect the effect of taurine on the expression ofα-SMA,Collagen I,Fibronectin 1,LC3B,ATG5,Beclin 1,PTGS2,SLC7A11,and *** Taurine promoted the death of aHSCs and reduced the deposition of the *** with taurine could alleviate autophagy in HSCs to inhibit their activation,by decreasing autophagosome formation,downregulating LC3B and Beclin 1 protein expression,and upregulating p62 protein ***,treatment with taurine triggered ferroptosis and ferritinophagy to eliminate aHSCs characterized b

关键词： Hepatic stellate cells Autophagy Ferroptosis Molecular docking Taurine

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New perspective on the treatment of rheumatic arthritis based on“strengthening body resistance(Fúzh.ng)”in the theory of co-inhibitory receptor-regulated T-cell immunity

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Acupuncture and Herbal Medicine 2024年第3期4卷 290-294页

作者： Yifei Xu Linda zh.ng Qianqian liang Hao Xu Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine Shanghai University of Traditional Chinese MedicineShanghaiChina Biomedical Sciences and Chinese Medicine School of Biological ScienceNanyang Technological UniversitySingaporeSingapore Spine Institute Shanghai University of Traditional Chinese MedicineShanghaiChina Key Laboratory of Theory and Therapy of Muscles and Bones Ministry of Education(Shanghai University of Traditional Chinese Medicine)ShanghaiChina

Co-inhibitory receptors serve as crucial regulators of T-cell function,playing a pivotal role in modulating the delicate balance between immune tolerance and *** identified in autoimmune disease models,co-inhibitory receptors,including CTLA-4,PD-1,TIM-3,and TIGIT,were found to be integral to immune *** blockade or absence in these models resulted in the induction or exacerbation of autoimmune ***,scholars have observed that co-inhibitory receptors on lymphocytes hold the potential to influence the prognosis in the context of chronic ***,the blocking of co-suppressor receptors has emerged as a novel therapeutic approach for inhibiting refractory inflammatory diseases,particularly rheumatoid *** the standpoint of traditional Chinese medicine(TCM),the treatment of rheumatoid arthritis based on the“strengthening body resistance(Fúzh.ng)”theory can be construed as the regulation of co-suppressor receptors to modulate the body’s immune function in combating chronic *** article provides a succinct overview of the role of co-suppressor receptors in anti-inflammatory processes and explores the research prospects of co-suppressor receptor intervention in the treatment of rheumatoid *** exploration integrates the“strengthening body resistance(Fúzh.ng)”theory with relevant Chinese medicine formulations.

关键词： Combination of Chinese and Western Medicine Co-inhibitory receptors Rheumatic arthritis T-cell exhaustion

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Quercetin Alleviates Lipopolysaccharide-Induced Cardiac Inflammation via Inhibiting Autophagy and Programmed Cell Death

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Biomedical and Environmental Sciences 2024年第1期37卷 54-70页

作者： YU Jin Hai HU Guo liang GUO Xiao Quan CAO Hua Bin XIA zhao Fei AMIN Buhe Jiangxi Provincial Key Laboratory for Animal Health Institute of Animal Population HealthCollege of Animal Science and TechnologyJiangxi Agricultural UniversityNanchang 330045JiangxiChina Internal Medicine Laboratory Department of Veterinary Clinical MedicineCollege of Veterinary MedicineChina Agricultural UniversityBeijing 100091China Department of Cancer Surgery Beijing Shijitan Hospital Affiliated with Capital Medical UniversityBeijing 100038China

Objective The aim of this study is to explore the potential modulatory role of quercetin against Endotoxin or lipopolysaccharide(LPS)induced septic cardiac *** Specific pathogen-free chicken embryos(n=120)were allocated untreated control,phosphate buffer solution(PBS)vehicle,PBS with ethanol vehicle,LPS(500 ng/egg),LPS with quercetin treatment(10,20,or 40 nmol/egg,respectively),Quercetin groups(10,20,or 40 nmol/egg).Fifteenday-old embryonated eggs were inoculated with abovementioned solutions via the allantoic *** embryonic day 19,the hearts of the embryos were collected for histopathological examination,RNA extraction,real-time polymerase chain reaction,immunohistochemical investigations,and Western *** They demonstrated that the heart presented inflammatory responses after LPS *** LPS-induced higher mRNA expressions of inflammation-related factors(TLR4,TNFα,MYD88,NF-κB1,IFNγ,IL-1β,IL-8,IL-6,IL-10,p38,MMP3,and MMP9)were blocked by quercetin with three *** significantly decreased immunopositivity to TLR4 and MMP9 in the treatment group when compared with the LPS *** significantly decreased protein expressions of TLR4,IFNγ,MMP3,and MMP9 when compared with the LPS *** treatment prevented LPS-induced increase in the mRNA expression of Claudin 1 and ZO-1,and significantly decreased protein expression of claudin 1 when compared with the LPS *** significantly downregulated autophagyrelated gene expressions(PPARα,SGLT1,APOA4,AMPKα1,AMPKα2,ATG5,ATG7,Beclin-1,and LC3B)and programmed cell death(Fas,Bcl-2,CASP1,CASP12,CASP3,and RIPK1)after LPS *** significantly decreased immunopositivity to APOA4,AMPKα2,and LC3-II/LC3-I in the treatment group when compared with the LPS *** significantly decreased protein expressions of AMPKα1,LC3-I,and *** significantly decreased the protein expression to CASP1 and CASP3 by immunohistochemical investigation or

关键词： Quercetin Lipopolysaccharide Inflammation Autophagy Programmed cell death Myocardiocytes permeability

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