生物物理博士英文自我介绍参考生物物理博士英文自我介绍IplantobeginmyPh.D.DeGREestudyinyourBiophysicsprograminthefalltermof1995andwishtoobtainthedeGREewithinfiveyearsorso.Biophysicsdevelopsfastwiththefruitsofmodernphysicsandchemistry.Thereisawiderangeoffascinatingquestionsinunderstandinglifesystems.Duringtheseyears'studyatTsinghuaUniversity,Iconstantlytriedtoimprovemyselfthroughindependentreading.ThiskeptmewellinformedofthelatestdevelopmentinBiophysicswhichattractsmealot.E.Schrodinger'sfamouswork"WhatisLife"letmethinkalotofquestionsinBiophysics.Uptonow,physicisthavemadegreatsuccessinstudyingsimpleperiodiccrystals,butforthecomplexbiologicalstructurespossessbothaperiodicityandordersuchasDNA,therestillexistmanychallenges.Whytheseaperiodicmattercancontrolthelifestrictlyandprecisely?Whyasmallamountofnaturecatalyst-enzymecanbefarmoreefficientthanplentyofman-madecatalysts?Isthegrowthoflifedeterminedbygeneticmaterialsorbyself-assemblyorbybothofthem?Fromthebook"LiquidCrystalsandBiologicalStructures"writtenbyGlennH.BrownandJeromeJ.Wolken,Igotdeeperunderstandingofbiologicalstructureswhichpossessbothmobilityandlong-rangestructureorder,respondtoavarietyofexternalstimulijustlikethepropertiesofliquidcrystals.Thestrikingarchitectureatthemolecularlevelshowsthereisacommonphysical-chemicaloriginforalllifesystems.Theorientedmoleculesinliquidcrystalsfurnishanidealmediumforcatalyticaction,particularlyofthecomplextypeneededtoaccountforgrowthandreproduction.Water,especiallytheweakhydrogenbondplayscriticalroleinallorganism.Itdeterminestheproteinfolding,stabilizesthedoublehelixstructureofDNA.Ifwesubstitutedeuteriumforhydrogen,thebiologicalsystemmaybedestroyed.Manyphysicalandmathematicalapproachescanbeappliedtobiologysuchasthequantummechanics,non-equilibriumthermodynamics,informationtheory.Butabasicdifficultbyusingthenon-equilibriumthermodynamicsinbiologyisthespatialheterogeneityinbiologicalsystemsandthefeedbackexistinginallkindsofreactionsandprocesses.CondensedMatterPhysicsalsoconcernscloselywithBiophysics.Thetheoryofphasetransitionsandcriticalphenomenacanbeusedtoexplainproblemssuchashowthetemperatureofthephasetransitionoflipidsfromthesolidstatetotheliquidcrystallinedependsonthefattyacidcomposition.Ontheotherhand,researchesinbiophysicsalsopushforwardthedevelopmentofphysics,leadtomoreapplicationsinbionicssuchasAIandneuralnetworkNowIamdoingmyDiplomaThesisattheInstituteofPhysics,ChineseAcademyofScience.MyTopicisaboutinvestigatingcoherentbackscatteringinarandomscatteringmediumbytheHe-Newlaser.Lightincertaindielectricmicrostructuresexhibitslocalizedmodes,similartothelocalizedwavefunctionofelectronsindisorderedsolids-AndersonLocalization.Thepropagationoflightinascatteringmediumcanbedescribedasrandomwalkofphotonswiththedirectionofeachsucceedingstepdeterminedbythelawsofprobability.TheTopicspansthedisciplinesofCondensedMatterPhysicsandQuantumOpties.Ihaveabsorbedalotofrelativeknowledgesuchasrandomwalk,perorationmodelsstochasticprocesstoprepareformyproject.IthinkthemethodIdynamicsofchemicalreactions.Sincemybackgroundfocusedonphysics,mathematics,electronics,lasersandoptics,Ihavetaughtmyselfsomebeginningbiologyandchemistrycoursesthisyear,discussedthemwithteachersintheDeptofBiologicalScienceandTechnologyatTsinghuaUniversityIwouldalsoliketotakemorebasiccoursesinthisfieldunderyourguidancetomakeupmydeficiency.FromcollegeguidesIlearnedwithpleasurethatyouhadstrongfacultywithavarietyofbackgroundinphysics,chemistry,mathematicsandelectricalengineering.Itisofteninthemulti-disciplinaryresearchthatcamethemostexcitingdiscovery.Yourgroupalsoprovidesoutstandingopportunitiesforcloseinteractionbetweengraduatestudentsandfaculty.ThatiswhyIdeemyourprogramasmybestchoice.Besides,IwanttolinkmodernbiophysicswithChineseMedicinetogetcomprehensiveunderstandingoflife.
