Soft‐Contact Acoustic Microgripper Based on a Controllable Gas–Liquid Interface for Biomicromanipulations (Small 49/2021)

Zhou, Yidi; Liu, Jixiao; Yan, Jingbo; Guo, Shuxiang; Li, Tiejun

doi:10.1002/smll.202170257

Cited by 2 publications

(2 citation statements)

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“…Microgrippers are small micro/millimeter-sized robotic devices that can grasp micro-objects in a narrow and confined environment with accuracy that may not be achieved using manual operations. [1] Further, the controllability and adaptivity of the untethered designs of this device facilitated them as a promising tool for several applications such as particle manipulation [2][3][4] and micro-assembly. [5][6][7] Meanwhile, a strong emphasis has been provided on understanding different aspects of the microgrippers, DOI: 10.1002/admt.202400292 including the design, [8] fabrication, [9] and assembly [10] that can ease the overall challenges, such as complex structures, amplified stiffness, slow response time, and limited manipulations.…”

Section: Introductionmentioning

confidence: 98%

An Untethered Magnetic Microgripper for High‐Throughput Micromanipulation

Loganathan,

Chaung,

et al. 2024

Adv Materials Technologies

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Microgripper is a small‐miniaturized robotic device employed to maneuver sub‐millimeter‐sized particles or objects that are too small to be manipulated by human hands or conventional tools. The design and fabrication of the microgripper pose challenges due to the integration of actuation components into their structure. To address this challenge, the authors in this work presented a novel magnetic microgripper wherein the functions of the actuation components are executed by the two pairs of microgripper arms made up of magnetic material. A custom‐made electromagnetic system consisting of eight coils is employed to externally control these arms, enabling precise execution of gripping up to a maximum of two microparticles per working cycle. By varying the magnetic field strength from 20 to 120 mT, a wide range of gripper‐arms opening distance is achieved, spanning from 0.3 to 1.3 mm. Consequently, the microgripper is demonstrated to grip different sizes of microparticles ranging from 0.3 to 1.2 mm. As part of the motion control capabilities, the microgripper is demonstrated to orient and navigate across a 360‐degree range within the microfluidic environment. The presented microgripper holds promise for manipulating a wide variety of microparticle sizes and shapes, offering potential for high‐throughput applications

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Section: Introductionmentioning

confidence: 98%

An Untethered Magnetic Microgripper for High‐Throughput Micromanipulation

Loganathan,

Chaung,

et al. 2024

Adv Materials Technologies

View full text Add to dashboard Cite

show abstract

“…In contrast, ultrasound is an attractive modality to manipulate micro-objects with distinct advantages of biocompatibility, deeper penetration, no requirement for special sample properties (conductivity, transparency, and more), and the ability to generate large forces. [24][25][26][27][28][29][30][31][32][33][34][35][36][37][38] Currently, ultrasounddriven manipulation, in terms of trapping and rotating, has been achieved for microbeads, [39][40][41][42][43] cells, [44][45][46][47][48][49][50] and plant seeds, 51,52 by using surface acoustic waves and microbubbles. However, most of these subjects have nearly spherical structures with good symmetry and are ∼5-100 μm in size; only a few work to date has been conducted on model organisms with slender bodies like C. elegans (∼600-1000 μm) 53,54 and zebrafish (∼1-5 mm).…”

Section: Introductionmentioning

confidence: 99%