3D-printed machines that manipulate microscopic objects using capillary forces

Zeng, Cheng; Faaborg, Maya Winters; Ahmed, Shamsuddin; Falk, Martin J.; Hajian, Rozhin; Xiao, Ming; Hartig, Kara; Bar-Sinai, Yohai; Brenner, Michael P.; Manoharan, Vinothan N.

doi:10.1038/s41586-022-05234-7

Cited by 22 publications

(29 citation statements)

References 29 publications

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“…As a result, the concentration of particles in the targeted regions, i.e., the centers of the microstructures, was increased or decreased by tuning the direction of the slopes. Recently, a method using 3D-patterned channels was developed to manipulate floating particles by utilizing repulsive capillary forces . The particles were suspended and trapped by the interfacial tension in the meniscus between the walls of the hydrophilic channel without solid contact.…”

Section: Topography-guided Micro/nanorobotic Swarmsmentioning

confidence: 99%

“…Recently, a method using 3D-patterned channels was developed to manipulate floating particles by utilizing repulsive capillary forces. 266 The particles were suspended and trapped by the interfacial tension in the meniscus between the walls of the hydrophilic channel without solid contact. The channels were designed to consist of varying cross-sectional shapes at different channel heights.…”

Section: Topography-guided Micro/nanorobotic Swarmsmentioning

confidence: 99%

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Micro/Nanorobotic Swarms: From Fundamentals to Functionalities

Law

Tang

et al. 2023

ACS Nano

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Swarms, which stem from collective behaviors among individual elements, are commonly seen in nature. Since two decades ago, scientists have been attempting to understand the principles of natural swarms and leverage them for creating artificial swarms. To date, the underlying physics; techniques for actuation, navigation, and control; fieldgeneration systems; and a research community are now in place. This Review reviews the fundamental principles and applications of micro/ nanorobotic swarms. The generation mechanisms of the emergent collective behaviors among the micro/nanoagents identified over the past two decades are elucidated. The advantages and drawbacks of different techniques, existing control systems, major challenges, and potential prospects of micro/nanorobotic swarms are discussed.

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Section: Topography-guided Micro/nanorobotic Swarmsmentioning

confidence: 99%

Section: Topography-guided Micro/nanorobotic Swarmsmentioning

confidence: 99%

Micro/Nanorobotic Swarms: From Fundamentals to Functionalities

Law

Tang

et al. 2023

ACS Nano

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“…We describe an approach that addresses these two problems and is based on physical principles from soft-matter physics. We 3D-print a machine 20 that consists of centimeter-scale channels. The machine is a rigid piece of plastic with no moving parts.…”

Section: Introductionmentioning

confidence: 99%

“…Our ''capillary machines'' 20 rely on a fundamentally different linkage between the machine and the fibers than is found in industrial textile machines. In a capillary machine, forces are transmitted to the carriers by and through a fluid interface, whereas in an industrial machine, forces are transmitted through contact between moving mechanical parts and the carriers.…”

Section: Introductionmentioning

confidence: 99%

Braiding, twisting, and weaving microscale fibers with capillary forces

Sherif,

Faaborg,

Zeng

et al. 2024

Soft Matter

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“…It has unique advantages in creating customized and complex structures. [1][2][3][4] In the medical field, 3D printing offers practical solutions for personalized medicine, and has various applications that can benefit disease prevention, diagnosis and treatment. [5][6][7][8] Moreover, it will also significantly impact on the clinical restoration of damaged tissues and organs in the future [9] and may even enable the production of transplantable organs.…”

Section: Introductionmentioning

confidence: 99%

Advanced Nanomaterials in Medical 3D Printing

Liu,

He,

Kuzmanović

et al. 2023

Small Methods

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Abstract3D printing is now recognized as a significant tool for medical research and clinical practice, leading to the emergence of medical 3D printing technology. It is essential to improve the properties of 3D‐printed products to meet the demand for medical use. The core of generating qualified 3D printing products is to develop advanced materials and processes. Taking advantage of nanomaterials with tunable and distinct physical, chemical, and biological properties, integrating nanotechnology into 3D printing creates new opportunities for advancing medical 3D printing field. Recently, some attempts are made to improve medical 3D printing through nanotechnology, providing new insights into developing advanced medical 3D printing technology. With high‐resolution 3D printing technology, nano‐structures can be directly fabricated for medical applications. Incorporating nanomaterials into the 3D printing material system can improve the properties of the 3D‐printed medical products. At the same time, nanomaterials can be used to expand novel medical 3D printing technologies. This review introduced the strategies and progresses of improving medical 3D printing through nanotechnology and discussed challenges in clinical translation.

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3D-printed machines that manipulate microscopic objects using capillary forces

Cited by 22 publications

References 29 publications

Micro/Nanorobotic Swarms: From Fundamentals to Functionalities

Micro/Nanorobotic Swarms: From Fundamentals to Functionalities

Braiding, twisting, and weaving microscale fibers with capillary forces

Advanced Nanomaterials in Medical 3D Printing

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