Fabrication of fillable microparticles and other complex 3D microstructures.
Fabrication of fillable microparticles and other complex 3D microstructures.
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制造可填充的微粒和其他复杂的3D微观结构。
DOI:
10.1126/science.aaf7447
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发表时间:
2017-09-15
期刊:
影响因子:
--
通讯作者:
Jaklenec A
中科院分区:
文献类型:
--
作者:
McHugh KJ;Nguyen TD;Linehan AR;Yang D;Behrens AM;Rose S;Tochka ZL;Tzeng SY;Norman JJ;Anselmo AC;Xu X;Tomasic S;Taylor MA;Lu J;Guarecuco R;Langer R;Jaklenec A
Three-dimensional (3D) microstructures created by microfabrication and additive manufacturing have demonstrated value across a number of fields, ranging from biomedicine to microelectronics. However, the techniques used to create these devices each have their own characteristic set of advantages and limitations with regards to resolution, material compatibility, and geometrical constraints that determine the types ofmicrostructures that can be formed.We describe a microfabrication method, termed StampEd Assembly of polymer Layers (SEAL), and create injectable pulsatile drug-delivery microparticles, pH sensors, and 3D microfluidic devices that we could not produce using traditional 3D printing. SEAL allows us to generate microstructures with complex geometry at high resolution, produce fully enclosed internal cavities containing a solid or liquid, and use potentially any thermoplastic material without processing additives.
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