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Related papers: Automated Noncontact Trapping of Moving Micro-part…

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Optical and acoustical trapping has been established as a tool for holding and moving microscopic particles suspended in a liquid in a contact-free and non-invasive manner. Opposed to standard microscopic imaging where the probe is fixated,…

Numerical Analysis · Mathematics 2025-10-27 Peter Elbau , Monika Ritsch-Marte , Otmar Scherzer , Denise Schmutz

Micromanipulation systems leverage automation and robotic technologies to improve the precision, repeatability, and efficiency of various tasks at the microscale. However, current approaches are typically limited to specific objects or…

Robotics · Computer Science 2024-10-31 Yongyi Jia , Shu Miao , Ao Wang , Caiding Ni , Lin Feng , Xiaowo Wang , Xiang Li

In this paper we document a novel laboratory experimental platform for non-contact planar manipulation (positioning) of millimeter-scale objects using acoustic pressure. The manipulated objects are either floating on a water surface or…

Systems and Control · Computer Science 2020-11-13 Josef Matouš , Adam Kollarčík , Martin Gurtner , Tomáš Michálek , Zdeněk Hurák

Cooperative transport, the simultaneous movement of an object by multiple agents, has been widely observed in biological systems such as ant colonies, which improve efficiency and adaptability in dynamic environments. Inspired by these…

Since the early work by Ashkin in 1970, optical trapping has become one of the most powerful tools for manipulating small particles, such as micron sized beads or single atoms. The optical trapping mechanism is based on the interaction…

Quantum Physics · Physics 2016-11-21 M. L. Juan , C. Bradac , B. Besga , G. Brennen , G. Molina-Terriza , T. Volz

The in vivo propulsion and monitoring of nanoparticles (NPs) have received tremendous achievements in the past decade. Developing functional NPs that can be efficiently manipulated inside the human body with a non-invasive tracking modality…

Biological Physics · Physics 2024-10-07 Jiayan Li , Chang Xu , Yingna Chen , Junmei Cao , Wanli Ye , Yu Cheng , Qian Cheng

Acoustic microfluidic is an important technology in particle manipulations in biomedical analyses and detections. However, the particle-movement manipulations achieved by the standing surface acoustic wave is suitable for particles in a…

Classical Physics · Physics 2025-08-12 Decai Wu , Bowei Wu , Tingfeng Ma , Shuanghuizhi Li , Iren Kuznetsova , Ilya Nedospasov , Boyue Su , Teng Wang

The application of autonomous robotics to close-contact healthcare tasks has a clear role for the future due to its potential to reduce infection risks to staff and improve clinical efficiency. Nasopharyngeal (NP) swab sample collection for…

Robotics · Computer Science 2024-08-26 Peter Q. Lee , John S. Zelek , Katja Mombaur

Controlling the transport, trapping, and filtering of nanoparticles is important for many applications. By virtue of their weak response to gravity and their thermal motion, various physical mechanisms can be exploited for such operations…

Materials Science · Physics 2016-11-03 Rasoul Alaee , Muamer Kadic , Carsten Rockstuhl , Ali Passian

We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quantum mechanics and ultrasensitive force detection. An optically trapped…

Quantum Physics · Physics 2013-09-26 Zhang-qi Yin , Andrew A. Geraci , Tongcang Li

Accurately handling contact with friction remains a core bottleneck for Material Point Method (MPM), from reliable contact point detection to enforcing frictional contact laws (non-penetration, Coulomb friction, and maximum dissipation…

Robotics · Computer Science 2026-02-03 Etienne Ménager , Justin Carpentier

Although general purpose robotic manipulators are becoming more capable at manipulating various objects, their ability to manipulate millimeter-scale objects are usually very limited. On the other hand, ultrasonic levitation devices have…

Robotics · Computer Science 2020-02-24 Jared Nakahara , Boling Yang , Joshua R. Smith

We propose and analyze a scheme to interface individual neutral atoms with nanoscale solid-state systems. The interface is enabled by optically trapping the atom via the strong near-field generated by a sharp metallic nanotip. We show that…

Quantum Physics · Physics 2013-05-29 D. E. Chang , J. D. Thompson , H. Park , V. Vuletic , A. S. Zibrov , P. Zoller , M. D. Lukin

Natural language interfaces can simplify interaction with multi-robot systems, especially when non-expert users need to issue high-level commands. Acoustic manipulation using ultrasonic phased arrays also enables contactless object handling…

Robotics · Computer Science 2026-05-29 Yingying Wang , Narsimlu Kemsaram , Sriram Subramanian

Nanoprecipitation, the rapid solvent-displacement route to nanoscale phase separation, has matured from a simple batch operation into a versatile platform for nanomaterial synthesis. This review synthesizes recent progress in…

Chemical Physics · Physics 2025-11-19 Mingbo Li , Junhao Cai , Yawen Gao

Understanding the nanoscale carrier dynamics induced by light excitation is the key to unlocking futuristic devices and innovative functionalities in advanced materials. Optical pump-probe scanning tunneling microscopy (OPP-STM) has opened…

Materials Science · Physics 2024-03-28 Katsuya Iwaya , Hiroyuki Mogi , Shoji Yoshida , Yusuke Arashida , Osamu Takeuchi , Hidemi Shigekawa

Dynamic shearing banding and fracturing in unsaturated porous media is a significant problem in engineering and science. This article proposes a multiphase micro-periporomechanics (uPPM) paradigm for modeling dynamic shear banding and…

Numerical Analysis · Mathematics 2024-01-10 Hossein Pashazad , Xiaoyu Song

Acoustical tweezers open major prospects in microbiology for cells and microorganisms contactless manipulation, organization and mechanical properties testing since they are biocompatible, label-free and can exert forces several orders of…

Moving nanoparticles/atoms to study the nearfield interaction between them is one of the many approaches to explore the optical and electrical properties of these assemblies. Traditional approach included the self assembly by spinning or…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Farbod Shafiei

The ability to precisely trap, transport and manipulate micrometer-sized objects, including biological cells, DNA-coated microspheres and microorganisms, is very important in life science studies and biomedical applications. In this study,…

Fluid Dynamics · Physics 2012-07-05 Gan Yu , Xiaolin Chen , Jie Xu
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