学科分类
/ 1
10 个结果
  • 简介:AreviewontheresearchofMicroElectromechanicalSystems(MEMS)technologybasedbiomimeticciliaispresented.Biomimeticcilia,enabledbytheadvancementofMEMStechnology,havebeenunderdynamicdevelopmentforthepastdecade.AfterabriefdescriptionofthebackgroundofciliaandMEMStechnology,differentbiomimeticciliaapplicationsarereviewed.Biomimeticciliamicro-actuators,includingmicromachinedpolyimidebimorphbiomimeticciliamicro-actuator,electro-staticallyactuatedpolymerbiomimeticciliamicro-actuator,andmagneticallyactuatednanorodarraybiomimeticciliamicro-actuator,arepresented.Subsequentlymicromachinedunderwaterflowbiomimeticciliamicro-sensorisstudied,followedbyacousticflowmicro-sensor.ThefabricationoftheseMEMS-basedbiomimeticciliadevices,characterizationoftheirphysicalproperties,andtheresultsoftheirapplicationexperimentsarediscussed.

  • 标签: 睫毛 仿生学 微观机电系统 驱动器 传感器
  • 简介:Anewmethodforirisidentificationbasedonmultiwaveletsisproposed.Bymeansofthepropertiesofmultiwavelets,suchasorthogonality,symmetry,vanishingmomentsandapproximationorder,theiristexturecanbesimplypresented.Abriefoverviewofmuhiwaveletsispresentedatfirst.Irisidentificationsystemandiristexturefeaturepresentationandrecognitionbasedonmultiwaveletsareintroducedsubsequently.Andtheexperimentindicatesthevalidityofthismethodfinally.

  • 标签: 虹膜识别 质地特征 生物识别 多小波分析
  • 简介:Thenaturalworldspentbillionsofyearsinsolution-findingduringevolution,whichcouldbenefitTechnology.Howdoweputthatinanutshell?Biologicalsystemsaremorecomplexthanthemostcomplexcurrenttechnology.Anygivenfunctionandeffectaresimultaneouslycoordinatedandlinkedwithothersatmanylevelsofbiologicalorganisation-fromcellorganelletoorganism,topopulationandecosystem.Technologydoesnothavetoolstodealwiththecomplexityand"goalintendedness"oflivingsystems.Butlimitsforinteractionexistonbothsides-Biologicalscienceitselfisalsotooempiricalandnotmatureenoughtoprovideasolidbaseforcorrelatinglivingwithtechnicalsystems.Movingtowardsasynthesis,whereengineerscanutilizethevastamountofavailablebiologicaldata,wesuggestusingatoolcalled"TheoryofInventiveProblemSolving"(TRIZ)andclarifyingsomeimportantmethodologicalissues,whichhavenotpreviouslybeenrecognisedinbionicengineering:1)Requirenentformoreappropriatedefinitionsof"system","effect","function","law"and"rule".2)Requirementforunderstandingorevenmeasuringthedegreeofcontradictionoranalogybetweenfunctionsinbiologicalandartificialand/ornon-livingengineeringsystem-thereisnosimpledirectcorrelationbetweenwhatengineersfindusefulandwhatbiologydoes.

  • 标签: TRIZ 生物学 科学方法 生活体系
  • 简介:Inthispaper,awildboarheadwastakenasthebionicresearchobjectforthedevelopmentofnewridgers,akindofplough.Thereverseengineeringtechnologywasadoptedtoobtainthesurfacegeometricalinformationofthehead.Severalthree-dimensional(3D)pointcloudsoftheheadwerecapturedfirstusinganon-touchlaserscanner,andanintegratedpointcloudwasgeneratedbyaligningthesepointcloudsusingUG/Imageware.Then,thedigitalsurfacemodeloftheheadwasrebuiltbymeansofCATIA.Thecharacteristiccurvesofthesurfacemodelwereanalyzed.Theresultsshowthattheaverageerrorbetweentherebuiltsurfaceandthepointcloudis?0.431mm.Themaxcurvatureoftheridgeontheneboftheheadis0.187mm?1,andthemaxandminGausscurvaturesonthesurfaceare0.008mm?2and?0.002mm?2.Thesegeometricalinformationaretheessentialparametersforbiomimeticsstudyoftheridger.

  • 标签: 工程模型 仿生学 数字分析
  • 简介:上海天士力药业有限公司是一家集生物药的生产、科研、销售于一体的生物制药企业,位于上海张江高科技园区,占地40余亩,按照国家GMP标准建设了现代化的科研办公楼,

  • 标签: 上海 药业 科研办公楼 高科技园区 GMP标准 制药企业
  • 简介:上海天士力药业有限公司是一家集生物药的生产、科研、销售于一体的生物制药企业,位于上海张江高科技园区,占地40余亩,按照国家GMP标准建设了现代化的科研办公楼、生产车间及其他附属设施。公司引进了多套先进的大型仪器设备,其中包括英国TAP公司的Cellmate细胞转移系统、德国贝朗公司的动物细胞培养反应器、

  • 标签: 上海 药业 |
  • 简介:多肽和蛋白质与多种疾病,如癌症,糖尿病,神经疾病和心血管疾病等有关。从各种生理、病理样品中找出相关的疾病标志蛋白,将有助于新型药物靶标的发现、疾病的早期诊断及新疗法的开发。各种疾病蛋白质指纹谱的发现及深入研究,是当前蛋白质组学的前沿研究领域。结合新型的膜修饰技术及专有的化学洗脱方法,PerkinElmer公司新近推出两种生物标志蛋白富集试剂盒:低通量人工操作型,可处理10个样品;

  • 标签: PerkinElmer公司 试剂盒 富集 心血管疾病 蛋白质组学 神经疾病
  • 简介:记者手记:采访赛默飞世尔是《生物技术世界》记者每年的必修课.一年之中总有崭新的创举、重大的成就让媒体对这个科学仪器的巨人趋之若鹜。而无论采访的是位高权重的总裁级高管、还是硕果累累的科学家、或是睿智的市场开拓精英,每次都让记者感慨良多,这个服务科学、

  • 标签: 科学仪器 服务 总裁 世界 LAN 亚太区