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Cooperative manipulation and transport of microobjects using multiple helical microcarriers

机译:使用多螺旋微载体的微型机构的合作操纵与运输

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Manipulation and transport of microscale objects in 3D with high spatiotemporal resolution require precise control over the applied forces. We report a strategy that uses specially engineered microbars having engagement points and multiple helical microcarriers that can apply reversible loads onto these holders. The helical microcarriers are actuated by externally generated, low strength magnetic fields. By optimizing the design of helical structures for precise manipulation, we fabricated microcarriers that swim with little wobbling even at low rotating frequencies. The cooperation of microcarriers generates higher propulsive forces while application of forces at multiple locations results in motion control with multiple degrees of freedom (DOF). The microbar loaded with multiple microcarriers can be employed as a single mobile device for the realization of higher order manipulation tasks.
机译:用高时空分辨率的3D中微尺度对象的操纵和运输需要精确控制应用的力量。我们报告了一种使用特殊设计的微磁石的策略,该策略具有可接合点和多螺旋螺旋载体,可以将可逆载荷施加到这些支架上。通过外部产生的低强度磁场致动螺旋微载体。通过优化螺旋结构的设计以进行精确操作,我们制造的微载体即使在低旋转频率下也很小地游泳。微载体的协作产生更高的推进力,同时在多个位置施加力导致具有多个自由度(DOF)的运动控制。装有多个微载波的微波可以用作单个移动设备,以实现更高阶的操纵任务。

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