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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