Engineering-Research-Activity2016|SHINSHU UNIV.
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2.25 Å Artificial Membrane for Cell-Like MicrochemicalSystemsOkumuraLabAbiologicalcellisanextremelysophisticatedmicrochemicalsystem.Thisfacthasledscientiststoconstructacell-likemicrochemicalsystembyhumanhands.Forthesystem,artificialplasmamembranesareessentialastheyseparatetheinnerworldfromtheoutsideandbecometheinterfacebetweenthetwoworlds.Ourresearchgroupstudieslipidmembranevesiclesthathavethesizecomparabletobiologicalcells(giantliposomes)assuchartificialcellmembranes.Theconstructionofasophisticatedartificialcellwillbeoneofthemajorscientificandtechnologicalachievements.Althoughthereclearlyisalongwayahead,manyresearchgroupsaroundtheworldhavebeenworkingontheproblem.Thetechnology,ifestablished,willbeusedinmanybio-relatedfields,suchasmedicineandagriculture.Anexampleofpossibleapplicationsisadrugdeliverysystemmoreefficientandcompatibletohumanbodies.YukihisaOkumura,ProfessorChemistry of artificial lipid membrane vesicles (liposomes)Bio-mimetic microchemicalsystems.Working with giant vesicles. Giant vesicles are as large as biological cells and can be directly observed on an optical microscope.Micromanipulation of a giant vesicle. Various substances may be introduced into the vesicle by microinjection through a hollow needle.Manygraduatesfoundtheircareersinvariouschemistry-relatedfieldsincompanies.Throughthesisworks,studentsinourgroupareexpectedtoimprovetheskillsnecessaryasanengineer;carefulobservation,logicalthinkingandgoodresearchplanning.Chemistry& MaterialEngineeringIn the FutureAfter GraduationMass Production of Micro Parts by ElectroplatingShinohara LabWearedoingresearchworkonpreparingthinalloyplates.Thealloyplateshavepropertiessuchaslowmeltingpoints,highcorrosionresistance,andhighhardness.Thethinalloyplateshavebeenpreparedbyplacingthepositivedepositionpotentialsofmetalsnearthenegativeonesofothermetalsusingorganicadditives.However,theseadditiveshavenegativeeffectsonthecharacteristicsofalloymetalplates.Inourlaboratory,wetrytomakealloyplatesbyapotentialpluselectroplatingmethodwithoutadditives.Usuallysmallpartsaremadebycuttingorshavingmaterials.Butthesemethodsarenotsuitableformassproductionofsmallpartswhosesizearesmallerthan0.1mm.So,wetrytomakesmallpartsbypilinguptheatomsusingelectroplatingmethods.Now,weareselectingproperalloysforthismethod.NaoyukiShinoharaAssociateProfessorAfter graduated the ShinshuUniv., I have been studingthe effects of organic sub-stances on the electroplating of metal.Cross section Cu/In deposit, Cu deposited on red area, Cu and In codepositedon green area.Cross section of Cu/In deposit prepared by potential pulse electrodepositionmethod.Thegraduatesofourlaboratoryareemployedinavarietyofmanufacturingcompaniesinthefieldsofelectronicsandprecisionequipments.Chemistry& MaterialEngineeringIn the FutureAfter Graduation42

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