A microchemical chip is used for extraction via the oil/water interface.OrganicsoventwaterwaterPrinting microchemical chips化学・材料学科Necklace‐shaped supramolecules andcellulose/chitin nano‐whiskers37Department of Chemistry and MaterialsDepartment of Chemistry and MaterialsOutlookforresearchOutlook for students after graduationOutlook for students after graduationOutlookforresearchIamengagedindevelopingtechnologytoenableprintingofmicrochemicalchips.Mylabisworkingtodeveloptechnologythatwillallowend‐userstodesigntheirownmicrochemicalchipsandthenprintthemusinganinkjetprinter.Technologyforprintingmicrochemicalchipswithaninkjetprinterisstillintheearlystages,andwedonotyetknowwhetheritwillprovetobeviableinthefuture.Inlightofthelargenumberofinterestingdomains,myhopeisthatgraduateswillchoosetheirjobsfreely,irrespectiveoftheirgraduateresearch.ProfessorMasashiWatanabeProfessorWatanabeconductedresearchintoorganicsyntheticchemistryforhisgraduateresearchinthedepartmentandinagraduateschoolcourse.Followingsometwistsandturnsinhiscareer,henowspecializesinpolymerchemistryandchemicalengineering.Two types of liquid are mixed in a microchemical chip.Iampursuingtwoprincipalareasofresearch.Thefirstinvolvesutilizationofnecklace‐shapedsupramoleculescalledpolyrotaxanesinordertodevelopfunctionalmaterialssuchasgels,fibers,andfilmsthroughchemicalmodification.Thesecondinvolvesapplicationsofnano‐whiskers,thatis,rod‐likemicrocrystalparticlesofcelluloseobtainedprimarilyfromtreesandplantsandthoseofchitinfromcrabandshrimpshellsforuseasreinforcednanocomposites.Polyrotaxaneandcellulose/chitinnano‐whiskersarebothmaterialswithdiversefuturepotential.Thesecarbohydrate‐based,eco‐friendly,andbiodegradablecomponentswillfindwideapplicationinsociety.Graduates are employed primarily by chemical and material manufacturers.AssociateProfessorJunArakiAssociateProfessorArakitookhiscurrentpositionin2012afterworkingasaJST‐CRESTpostdocresearcher,atechnicaladvisortoAdvancedSoftmaterialsInc.,andanassistantprofessorundertheShinshuUniversityYoungResearchersEmpower‐mentProject.Hisareasofspecializationincludesupra‐molecularchemistryandpolysacchadidechemistry.Acertainpolyrotaxanederivative,thatis,anano‐sizednecklacemoleculewithawidthof1nanometer,canbeusedtoformaflexiblefilmthathasbeenutilizedtopaintcellphones.cellphones.Cellulosenano‐whiskersfromplants(left).Thesenano‐sizedfibershaveanelasticmodulushigherthanthatofsteel.Theycanformaliquidcrystalthatshowsvividbirefringencebetweencrossedpolarizers(right).
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