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Fabrication of microstructures using the DMD-based modulating projection printing method
Yang WG(杨文广); Yu HB(于海波); Wang YC(王越超); Liu LQ(刘连庆)
作者部门机器人学研究室
会议名称10th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2015
会议日期April 7, 2015 - April 11, 2015
会议地点Xi'an, China
会议主办者Institute of Electrical and Electronics Engineers Inc.
会议录名称2015 IEEE 10th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2015
出版者IEEE
出版地Piscataway, NJ, USA
2015
页码625-629
收录类别EI ; CPCI(ISTP)
EI收录号20153401190182
WOS记录号WOS:000380505700150
产权排序1
ISBN号978-1-4673-6695-3
关键词Microfabrication Digital Mirror Device Micropillar Pegda
摘要Patterned microstructures of hydrogels have attracted significant attention due to an increasing need for developing scaffolds for tissue engineering, as carriers for drug delivery, and as extracellular matrices for biological studies. However, current tissue engineering approaches lack the flexibility required for developing complex two or three-dimensional (2D/3D) microstructures, which are used to impart suitable cell mechanical microenvironments. In this paper, we present an ultraviolet (UV) light curing method based on a digital mirror device-based modulating projection printing (DMPP) system for fabricating patterned poly(ethylene glycol) diacrylate (PEGDA) hydrogel microstructures. With programmable UV exposure, polymerisation of the PEGDA solution can be induced to create 2D/3D microstructures with high biocompatibility. The main advantage of DMPP is that it is a mask-free method. In addition, the efficiency of the DMPP method is much higher than other methods for patterning PEGDA microstructures. The duration of UV exposure was less than 10 s. In the experiments described below, several types of microstructure arrays have been fabricated. These initial results show that the DMPP method can be used for fabricating highly complex microstructures with controlled accuracy.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/16896
专题机器人学研究室
通讯作者Yu HB(于海波)
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
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GB/T 7714
Yang WG,Yu HB,Wang YC,et al. Fabrication of microstructures using the DMD-based modulating projection printing method[C]//Institute of Electrical and Electronics Engineers Inc.. Piscataway, NJ, USA:IEEE,2015:625-629.
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