51Department ofOutlook for researchMan-madefibersneedtobeprocessedathightemperature,whilespidersandsilkwormssynthesizetheirsilkinamildcondition.Wecansynthesizetheartificialsilkbymimickingthenaturalspinningsystemandcontributetousesilkasastructuralmaterialinourdailylife.Outlook for students after graduationIwouldliketosharetheexcitementoftacklingthescienceofnature,fromthestudyofspiderandsilkwormsilk.Youwillmakehypothesisandperformexperimentstoproofthehypothesis.Hopefully,youwillexertyourselfinsocietyfromyourresearchexperimentatShinshuUniversity.AssociateProfessorYAZAWA KenjiroAssociateProfessorYazawagothisph.DatTokyoTech.andcametohiscurrentpositionafterworkingasapostdoctoralresearcheratYamagatauniversityandRIKENinJapan.Hespecializesmolecularbiologyandpolymerscience.Hisfinalaimistorevealthemechanismofspinningsystemofspidersandsilkworms.Spidersarefixedbetweenspongeswiththeirlegsinsidethespongestoextracttheirsilks.Wefeelthatthesilkisshinyandtough.Spiderstransformsilksolutionsintofibersintheirglands.Applied BiologyHow can spider and silkworm spin such a tough silk?Silkisusedasastructuralmaterialinnaturesuchasalifelineofspiderandashellofsilkworm.Thethicknessofspidersilkisapproximatelyonetenthofhuman’shair.Thespidersilkwith3-mmthicknesscansupportamanwith60kg.Silkseemsveryattractivewhenusedasstructuralmaterial,however,itisdifficulttosynthesizeanartificialsilkthathasbothstrengthandextensibilitylikenativesilk.Spidersandsilkwormsareknowntopossesssophisticatedspinningmechanism.Iwouldliketosharemysteriesinthenaturalspinningsystemsinspidersandsilkwormsandtakeadvantageofthesystemtosynthesizeartificialsilkforindustrialapplications.
元のページ ../index.html#53