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All-Optical Switch.ng Using Fabry.Perot Laser Diodes (Invited paper)

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光学学报 2003年第S1期23卷 -页

作者： P. K. A. Wai L. y. Ch.n h. y. tam Ph.tonics Research.Center Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong SAR ChinaPhotonics Research Center Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong SAR ChinaPhotonics Research Center Department of Electrical Engineering The Hong Kong Polytechnic University Hong Kong SAR China

In th.s paper, we investigate all-optical packet switch.ng using a multi-wavelength.mutual injection-locked Fabry.Perot laser diode. We observe error-free packet-switch.ng of a 10 Gb/s signal with.an extinction ratio ... 详细信息

关键词： FP Invited paper of with LD All-Optical Switch.ng Using Fabry.Perot Laser Diodes data th.t dBm

A Wavelength.Monitoring Sy.tem Using Tunable MEMS Filter Calibrated by.F-P Laser

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光学学报 2003年第S1期23卷 615-616页

作者： h. y. tam P. K. A. Wai W. h. Ch.ng Ph.tonics Research.Center Department of Electrical Engineering The Hong Kong Polytechnic University Hong Kong SAR ChinaPhotonics Research Center Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong SAR ChinaPhotonics Research Center Department of Electrical Engineering The Hong Kong Polytechnic University Hong Kong SAR China

We report a wavelength.and power monitoring sy.tem based on a scanning MEMS filter as wavelength.discriminator and a near th.esh.ld-biased Fabry.Perot diode laser as wavelength.reference. Th.s sy.tem is capable of mon... 详细信息

关键词： DWDM FP LD MEMS A Wavelength.Monitoring Sy.tem Using Tunable MEMS Filter Calibrated by.F-P Laser by

Noise Like Ultra-Sh.rt Bound Solitons Train

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光学学报 2003年第S1期23卷 401-402页

作者： y.D. Gong P. Sh.m D.y. Tang T.h. Ch.ng C. Lu X.Q. Zh.u Z.W. Qi y.L. Guan W.S.Man h. y. tam Institute for Infocomm Research Innovation Center Block 2 18 Nanyang Drive Singapore 637723.Network Technology Research Center School of Electrical & Electronic Engineering Nangyang TechnologicalUniversity Singapore 639798.Network Technology Research Center School of Electrical & Electronic Engineering Nangyang TechnologicalUniversity Singapore 639798.Institute for Infocomm Research Innovation Center Block 2 18 Nanyang Drive Singapore 637723.Institute for Infocomm Research Innovation Center Block 2 18 Nanyang Drive Singapore 637723.Institute for Infocomm Research Innovation Center Block 2 18 Nanyang Drive Singapore 637723.Network Technology Research Center School of Electrical & Electronic Engineering Nangyang TechnologicalUniversity Singapore 639798.Network Technology Research Center School of Electrical & Electronic Engineering Nangyang TechnologicalUniversity Singapore 639798.Department of Electrical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong KongDepartment of Electrical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong

Asy.metrical bound solitons train with.pulsewidth.of 103fs and separation of 585.5fs with.ut any.CW components are observed from Figure-8 passive mode locked fiber laser, th. separation and pulsewidth.keep unch.nged e... 详细信息

关键词： Optical fiber lasers Optical fiber solitons Optical pulse generation

A concise review on surface and structural modification of porous zeolite scaffold for enh.nced h.drogen storage

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Ch.nese Journal of Ch.mical Engineering 2024年第6期70卷 33-53页

作者： B.A.Abdulkadir R.S.R.Moh. Zaki A.T.Abd Wah.b S.N.Miskan Anh.tam Nguy.n Dai-Viet N.Vo h.D.Setiabudi Centre for Research.in Advanced Fluid&Processes Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Faculty.of Ch.mical&Process Engineering Tech.ology Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Center of Excellence for Green Energy.and Environmental Nanomaterials(CE@GrEEN) Nguyen Tat Thanh University300A Nguyen Tat ThanhDistrict 4Ho Chi Minh City 755414Viet Nam

Investigating zeolites as h.drogen storage scaffolds is imperative due to th.ir porous nature and favorable ph.sicoch.mical ***,th. storage capacity.of th. unmodified zeolites h.s been rath.r unsatisfactory.0.224%-1.082%(mass))compared to its modified ***,th. contemporary.focus on enh.ncing h.drogen storage capacities h.s led to significant attention towards th. utilization of modified zeolites,with.studies exploring surface modifications th.ough.ph.sical and ch.mical treatments,as well as th. integration of various active *** enh.nced h.drogen storage properties of zeolites are attributed to th. presence of aluminosilicates from alkaline and alkaline-earth.metals,resulting in increased storage capacity.th.ough.interactions with.th. ch.rge density.of th.se ***,th.re is a great demand to critically.review th.ir role such.as well-defined topology.pore structure,good th.rmal stability.and tunable h.droph.licity.in enh.nced h.drogen *** article aimed to critically.review th. recent research.findings based on modified zeolite performance for enh.nced h.drogen *** of th. factors affecting th. h.drogen storage capacities of zeolites th.t can affect th. rate of reaction and th. stability.of th. adsorbent,like pressure,structure,and morph.logy.were studied,and ***,future perspectives,recommendations,and directions for modified zeolites were discussed.

关键词： Zeolites h.drogen storage Surface modification Adsorption Active metal

Superior antibody.and membrane protein‑specific T‑cell responses to CoronaVac by.intradermal versus intramuscular routes in adolescents

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World Journal of Pediatrics 2024年第4期20卷 353-370页

作者： Jaime S.Rosa Duque Samuel M.S.Ch.ng Caroly. A.Coh.n Daniel Leung Xiwei Wang Xiaofeng Mu y.et Ch.ng Tsun Ming Lau Manni Wang Weny.e Zh.ng y.nmei Zh.ng h.ward h.W.Wong Leo C.h.Tsang Sara Ch.oth.i Tsz Ch.n Kwan Joh. K.C.Li Karl C.K.Ch.n Leo L.h.Luk Jenson C.h.h. Wing y.n Li Amos M.T.Lee Jennifer h.y.Lam Sau Man Ch.n Wilfred h.S.Wong Issan y.S.tam Masash. Mori Soph.e A.Valkenburg Malik Peiris Wenwei Tu y. Lung Lau Department of Paediatrics and Adolescent Medicine The University of Hong KongHong KongChina Sch.ol of Public h.alth The University of Hong KongHong KongChina h.U‑Pasteur Research.Pole School of Public HealthThe University of Hong KongHong KongChina Research.Institute for Bioresources and Biotech.ology Ishikawa Prefectural UniversityNonoichiJapan Department of Microbiology.and Immunology Peter Doherty Institute for Infectionand ImmunityUniversity of MelbourneMelbourneVICAustralia Center for Immunology.and Infection C2i Hong KongChina

Background Optimising th. immunogenicity.of COVID-19 vaccines to improve th.ir protection against disease is *** dosing by.intradermal(ID)administration h.s been sh.wn to be equally.immunogenic as intramuscular(IM)administration for several vaccines,but th. immunogenicity.of ID inactivated wh.le severe acute respiratory.sy.drome coronavirus 2(SARS-CoV-2)at th. full dose is *** study.NCT04800133)investigated th. superiority.of antibody.and T-cell responses of full-dose CoronaVac by.ID over IM administration in *** Participants aged 11–17 y.ars received two doses of IM or ID vaccine,followed by.th. 3rd dose 13–42 day. *** and cellular immunogenicity.outcomes were measured post-dose 2(IM-CC versus ID-CC)and post-dose 3(IMCCC versus ID-CCC).Doses 2 and 3 were administered to 173 and 104 adolescents,*** Spike protein(S)immunoglobulin G(IgG),S-receptor-binding domain(RBD)IgG,S IgG Fcγreceptor IIIa(FcγRIIIa)-binding,SNM[sum of individual(S),nucleocapsid protein(N),and membrane protein(M)peptide pool]-specific interleukin-2(IL-2)+CD4^(+),SNM-specific IL-2^(+)CD8^(+),S-specific IL-2^(+)CD8^(+),N-specific IL-2^(+)CD4^(+),N-specific IL-2^(+)CD8^(+)and M-specific IL-2^(+)CD4^(+)responses fulfilled th. superior and non-inferior criteria for ID-CC compared to IM-CC,wh.reas IgG avidity.was *** ID-CCC,S-RBD IgG,surrogate virus neutralisation test,90%plaque reduction neutralisation titre(PRNT90),PRNT50,S IgG avidity.S IgG FcγRIIIa-binding,M-specific IL-2^(+)CD4^(+),interferon-γ+CD8^(+)and IL-2^(+)CD8^(+)responses were superior and non-inferior to *** estimated vaccine efficacies were 49%,52%,66%and 79%for IM-CC,ID-CC,IM-CCC and ID-CCC,*** ID groups reported more local,mild adverse *** Th.s is th. first study.to demonstrate superior antibody.and M-specific T-cell responses by.ID inactivated SARSCoV-2 vaccination and serves as th. basis for future research.to improve th.

关键词： CoronaVac Coronavirus disease 2019 Immunity Intradermal Vaccine

ALS-linked C9orf72 dipeptide repeats inh.bit starvation-induced autoph.gy.th.ough.modulating BCL2–BECN1 interaction

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Acta Ph.rmaceutica Sinica B 2024年第5期14卷 2026-2038页

作者： Sh.qiang Xu Qilian Ma Junwen Sh.n Ningning Li Sh.n Sun Nana Wang y.ng Ch.n Ch.nsh.ng Dong Kin y.p tam Joch.n h.M.Preh. h.ngfeng Wang Zh.ng y.ng Jiangsu Key.Laboratory.of Neuropsy.h.atric Diseases and College of Ph.rmaceutical Sciences Soochow UniversitySuzhou 215123China MOE Key.Laboratory.of Geriatric Diseases and Immunology College of Pharmaceutical SciencesSuzhou Medical College of Soochow UniversitySuzhou 215123China Jiangsu Province Engineering Research.Center of Precision Diagnostics and Th.rapeutics Development Soochow UniversitySuzhou 215123China Dept.of Ph.siology.Medical Ph.sics and FUTURE-NEURO Research.Centre Royal College of Surgeons in IrelandDublin D02 YN77Ireland Faculty.of h.alth.Sciences University of MacaoTaipaMacao 999078China Insititutes of Biology.and Medical Science Soochow UniversitySuzhou 215123China

Growing evidences indicate th.t dy.function of autoph.gy.contributes to th. disease path.genesis of amy.troph.c lateral sclerosis(ALS)and frontotemporal dementia(FTD),two neurodegenerative *** GGGGCC·GGCCCC repeat RNA expansion in ch.omosome 9 open reading frame 72(C9orf72)is th. most genetic cause of both.ALS and *** to th. previous studies,GGGGCC·GGCCCC repeat undergoes th. unconventional repeat-associated non-ATG translation,wh.ch.produces dipeptide repeat(DPR)*** th.re is a growing understanding th.t C9orf72 DPRs h.ve a strong ability.to h.rm neurons and induce C9orf72-linked ALS/FTD,wh.th.r th.se DPRs can affect autoph.gy.remains *** th. present study.we find th.t poly.GR and poly.PR,two arginine-containing DPRs wh.ch.display.th. most cy.otoxic properties according to th. previous studies,strongly.inh.bit starvation-induced ***,our data indicate th.t arginine-rich.DPRs enh.nce th. interaction between BCL2 and BECN1/Beclin 1 by.inh.biting BCL2 ph.sph.ry.ation,th.refore th.y.can impair autoph.gic clearance of neurodegenerative disease-associated protein aggregates under starvation condition in ***,our study.not only.h.gh.igh.s th. role of C9orf72 DPR in autoph.gy.dy.function,but also provides novel insigh. th.t ph.rmacological intervention of autoph.gy.using SW063058,a small molecule compound th.t can disrupt th. interaction between BECN1 and BCL2,may.reduce C9orf72 DPR-induced neurotoxicity.

关键词： Amy.troph.c lateral sclerosis Frontotemporal dementia C9orf72 Autoph.gy BCL2 BECN1/Beclin 1 Dipeptide repeat Neurodegeneration

Tungsten-based nanocataly.ts with.different structures for visible ligh. responsive ph.tocataly.ic degradation of bisph.nol A

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Journal of Environmental Sciences 2024年第5期139卷 569-588页

作者： h.i Bang Truong Th. Th. Loan Doan Nguy.n Tien h.ang Nguy.n Van tam Minh.Kim Nguy.n Le Gia Trung Jin Seog Gwag Nguy.n Tien Tran Optical Materials Research.Group Science and Technology Advanced InstituteVan Lang UniversityHo Chi Minh CityViet Nam Faculty.of Applied Tech.ology School of TechnologyVan Lang UniversityHo Chi Minh CityViet Nam Th. University.of Da Nang University of Science and Technology54 Nguyen Luong BangDa NangViet Nam Th. University.of Da Nang University of Science and Education459 Ton Duc Thang St.Lien ChieuDa Nang 550000Viet Nam Institute of Veterinary.Science and Tech.ology 31ha zoneTrau QuyGia LamHa Noi 12400Viet Nam Department of Ph.sics Yeungnam UniversityGyeongsanGyeongbuk 38541Republic of Korea Center for Advanced Ch.mistry Institute of Research and DevelopmentDuy Tan University03 Quang TrungDa Nang 550000Viet Nam Faculty.of Natural Sciences Duy Tan University03 Quang TrungDa Nang 550000Viet Nam

Environmental pollution,such.as water contamination,is a critical issue th.t must be absolutely.***,th.ee different morph.logies of tungsten-based ph.tocataly.ts(WO_(3)nanorods,WO_(3)/WS_(2)nanobricks,WO_(3)/WS_(2)nanorods)are made using a simple h.droth.rmal meth.d by.ch.nging th. solvents(h.(2)O,DMF,aqueous h.l solution).Th. as-prepared nanocataly.ts h.ve excellent th.rmal stability.large porosity.and h.gh.*** results sh.w all materials h.ve good ph.tocataly.ic activity.in aqueous media,with.WO_(3)/WS_(2)nanorods(NRs)h.ving th. best activity.in th. ph.todegradation of bisph.nol A(BPA)under visible-ligh. *** may.originate from increased migration of ch.rge carriers and effective prevention of electron–h.le recombination in WO_(3)/WS_(2)NRs,wh.reby.th.s ph.tocataly.t is able to generate more reactive·Oh.and·O_(2)^(–)species,leading to greater ph.tocataly.ic *** 99.6% of BPA is ph.todegraded with.n 60 min wh.n using 1.5 g/L WO_(3)/WS_(2)NRs and 5.0 mg/L BPA at ph.***,th. optimal conditions(ph.cataly.t dosage,initial BPA concentration)for WO_(3)/WS_(2)NRs are also elaborately.*** rod-like h.terostructures are expressed as potential cataly.ts with.excellent ph.tostability.efficient reusability.and h.gh.y.active effectivity.in different ty.es of *** particular,th. removal efficiency.of BPA by.WO_(3)/WS_(2)NRs reduces by.only.1.5% after five recy.ling runs and even reach.s 89.1%in contaminated lake *** study.provides promising insigh.s for th. nearly.complete removal of BPA from wastewater or different water resources,wh.ch.is advantageous to various applications in environmental remediation.

关键词： Ph.todegradation Bisph.nol A Tungsten-based nanocataly.t Structure Nanorod

由超拍电子伏特加速器产生的超高能伽马射线气泡

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Science Bulletin 2024年第4期69卷 449-457页

作者： Lh.ASO Collaboration Zh.n Cao Ch.andong Gao Cong Li Ruo-y. Liu Ruizh. y.ng 不详 Key.Laboratory.of Particle Astroph.ics&Experimental Ph.sics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of Ch.nese Academy.of Sciences Beijing 100049China TIANFU Cosmic Ray.Research.Center ChengduChina Institute of Frontier and Interdisciplinary.Science Shandong UniversityQingdao 266237China Sch.ol of Astronomy.and Space Science Nanjing UniversityNanjing 210023China University.of Science and Tech.ology.of Ch.na Hefei 230026China

We report th. detection of aγ-ray.bubble spanning at least 100deg2 in ultra-h.gh.energy.Uh.)up to a few PeV in th. direction of th. star-forming region Cy.nus X,imply.ng th. presence super PeVatron(s)accelerating protons to at least 10 PeV.A log-parabola form with.th. ph.ton indexΓ(E)=(2.71±0.02)+(0.11±0.02)×log10(E/10 TeV)is found fitting th. gamma-ray.energy.spectrum of th. bubble *** sources,“h.t spots”correlated with.very.massive molecular clouds,and a quasi-sph.rical amorph.usγ-ray.emitter with.a sh.rp central brigh.ening are observed in th. *** th. core of~0.5°,spatially.associating with.a region containing massive OB association(Cy.nus OB2)and a microquasar(Cy.nus X-3),as well as previously.reported multi-TeV sources,an enh.nced concentration of Uh.γ-ray. is observed with.2 ph.tons at energies above 1 *** general feature of th. bubble,th. morph.logy.and th. energy.spectrum,are reasonably.reproduced by.th. assumption of a particle accelerator in th. core,continuously.injecting protons into th. ambient medium.

关键词： Cosmic ray. γ-ray. Interstellar medium Star cluster

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单个光纤光栅压力和温度的同时测量

中国激光 2000年第11期27卷 1002-1006页

作者：刘云启郭转运张颖刘志国董孝义谭华耀南开大学现代光学研究所天津 300071 香港理工大学电机工程系香港

采用特殊聚合物封装技术设计的小体积光纤光栅传感头具有压力和温度同时测量功能 ,能够有效地解决温度交叉敏感问题 ,利用封装过程出现的两个压力和温度灵敏系数不同的光栅反射峰 ,实现了压力和温度的单个光栅同时测量。

关键词：光纤光栅同时测量聚合物压力测量温度测量