1
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Xu M, Wang J, Harley WS, Lee PVS, Collins DJ. Programmable Acoustic Holography using Medium-Sound-Speed Modulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301489. [PMID: 37283454 PMCID: PMC10427405 DOI: 10.1002/advs.202301489] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/10/2023] [Indexed: 06/08/2023]
Abstract
Acoustic holography offers the ability to generate designed acoustic fields to manipulate microscale objects. However, the static nature or large aperture sizes of 3D printed acoustic holographic phase plates limits the ability to rapidly alter generated fields. In this work, a programmable acoustic holography approach is demonstrated by which multiple discrete or continuously variable acoustic targets can be created. Here, the holographic phase plate encodes multiple images, where the desired field is produced by modifying the sound speed of an intervening fluid media. Its flexibility is demonstrated in generating various acoustic patterns, including continuous line segments, discrete letters and numbers, using this method as a sound speed indicator and fluid identification tool. This programmable acoustic holography approach has the advantages of generating reconfigurable and designed acoustic fields, with broad potential in microfluidics, cell/tissue engineering, real-time sensing, and medical ultrasound.
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Affiliation(s)
- Mingxin Xu
- Department of Biomedical EngineeringUniversity of MelbourneMelbourneVictoria3010Australia
| | - Jizhen Wang
- Department of Biomedical EngineeringUniversity of MelbourneMelbourneVictoria3010Australia
| | - William S. Harley
- Department of Biomedical EngineeringUniversity of MelbourneMelbourneVictoria3010Australia
| | - Peter V. S. Lee
- Department of Biomedical EngineeringUniversity of MelbourneMelbourneVictoria3010Australia
- Graeme Clarke InstituteUniversity of MelbourneParkvilleVictoria3052Australia
| | - David J. Collins
- Department of Biomedical EngineeringUniversity of MelbourneMelbourneVictoria3010Australia
- Graeme Clarke InstituteUniversity of MelbourneParkvilleVictoria3052Australia
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2
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Kolesnik K, Segeritz P, Scott DJ, Rajagopal V, Collins DJ. Sub-wavelength acoustic stencil for tailored micropatterning. LAB ON A CHIP 2023; 23:2447-2457. [PMID: 37042175 DOI: 10.1039/d3lc00043e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Acoustofluidic devices are ideal for biomedical micromanipulation applications, with high biocompatibility and the ability to generate force gradients down to the scale of cells. However, complex and designed patterning at the microscale remains challenging. In this work we report an acoustofluidic approach to direct particles and cells within a structured surface in arbitrary configurations. Wells, trenches and cavities are embedded in this surface. Combined with a half-wavelength acoustic field, together these form an 'acoustic stencil' where arbitrary cell and particle arrangements can be reversibly generated. Here a bulk-wavemode lithium niobate resonator generates multiplexed parallel patterning via a multilayer resonant geometry, where cell-scale resolution is accomplished via structured sub-wavelength microfeatures. Uniquely, this permits simultaneous manipulation in a unidirectional, device-spanning single-node field across scalable ∼cm2 areas in a microfluidic device. This approach is demonstrated via patterning of 5, 10 and 15 μm particles and 293-F cells in a variety of arrangements, where these activities are enabling for a range of cell studies and tissue engineering applications via the generation of highly complex and designed acoustic patterns at the microscale.
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Affiliation(s)
- Kirill Kolesnik
- Department of Biomedical Engineering, The University of Melbourne, Parkville, VIC 3010, Victoria, Australia.
| | - Philipp Segeritz
- Department of Biomedical Engineering, The University of Melbourne, Parkville, VIC 3010, Victoria, Australia.
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC 3052, Australia
| | - Daniel J Scott
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC 3052, Australia
- Department of Biochemistry and Pharmacology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Vijay Rajagopal
- Department of Biomedical Engineering, The University of Melbourne, Parkville, VIC 3010, Victoria, Australia.
| | - David J Collins
- Department of Biomedical Engineering, The University of Melbourne, Parkville, VIC 3010, Victoria, Australia.
- The Graeme Clark Institute, The University of Melbourne, Parkville, VIC, 3010, Australia
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3
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Hu Q, Hu X, Shi Y, Liang L, Zhu J, Zhao S, Wang Y, Wu Z, Wang F, Zhou F, Yang Y. Heterogeneous tissue construction by on-demand bubble-assisted acoustic patterning. LAB ON A CHIP 2023; 23:2206-2216. [PMID: 37006165 DOI: 10.1039/d3lc00122a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Highly heterogeneous structures are closely related to the realization of the tissue functions of living organisms. However, precisely controlling the assembly of heterogeneous structures is still a crucial challenge. This work presents an on-demand bubble-assisted acoustic method for active cell patterning to achieve high-precision heterogeneous structures. Active cell patterning is achieved by the combined effect of acoustic radiation forces and microstreaming around oscillating bubble arrays. On-demand bubble arrays allow flexible construction of cell patterns with a precision of up to 45 μm. As a typical example, the in vitro model of hepatic lobules, composed of patterned endothelial cells and hepatic parenchymal cells, was constructed and cultured for 5 days. The good performance of urea and albumin secretion, enzymatic activity and good proliferation of both cells prove the feasibility of this technique. Overall, this bubble-assisted acoustic approach provides a simple and efficient strategy for on-demand large-area tissue construction, with considerable potential for different tissue model fabrication.
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Affiliation(s)
- Qinghao Hu
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
| | - Xuejia Hu
- Department of Electronic Engineering, School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yang Shi
- Institute of Nanophotonics, Jinan University, Guangzhou 510632, China
| | - Li Liang
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
| | - Jiaomeng Zhu
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
| | - Shukun Zhao
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
| | - Yifan Wang
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
| | - Zezheng Wu
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital, Wuhan University, Wuhan 430071, China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital, Wuhan University, Wuhan 430071, China
| | - Yi Yang
- Department of Clinical Laboratory, Institute of Medicine and Physics, Renmin Hospital, Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & Technology, Wuhan University, Wuhan 430072, People's Republic of China.
- Shenzhen Research Institute, Wuhan University, Shenzhen 518000, People's Republic of China
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4
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Zhang X, Son R, Lin YJ, Gill A, Chen S, Qi T, Choi D, Wen J, Lu Y, Lin NYC, Chiou PY. Rapid prototyping of functional acoustic devices using laser manufacturing. LAB ON A CHIP 2022; 22:4327-4334. [PMID: 36285690 PMCID: PMC10122935 DOI: 10.1039/d2lc00725h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Acoustic patterning of micro-particles has many important biomedical applications. However, fabrication of such microdevices is costly and labor-intensive. Among conventional fabrication methods, photo-lithography provides high resolution but is expensive and time consuming, and not ideal for rapid prototyping and testing for academic applications. In this work, we demonstrate a highly efficient method for rapid prototyping of acoustic patterning devices using laser manufacturing. With this method we can fabricate a newly designed functional acoustic device in 4 hours. The acoustic devices fabricated using this method can achieve sub-wavelength, complex and non-periodic patterning of microparticles and biological objects with a spatial resolution of 60 μm across a large active manipulation area of 10 × 10 mm2.
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Affiliation(s)
- Xiang Zhang
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
| | - Rosa Son
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
| | - Yen-Ju Lin
- Department of Electrical and Computer Engineering, University of California at Los Angeles, USA
| | - Alexi Gill
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
| | - Shilin Chen
- Department of Chemical and Biomolecular Engineering, University of California at Los Angeles, USA
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California at Los Angeles, USA
| | - Tong Qi
- Department of Chemical and Biomolecular Engineering, University of California at Los Angeles, USA
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California at Los Angeles, USA
| | - David Choi
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
| | - Jing Wen
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California at Los Angeles, USA
| | - Yunfeng Lu
- Department of Chemical and Biomolecular Engineering, University of California at Los Angeles, USA
| | - Neil Y C Lin
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
- Department of Bioengineering, University of California at Los Angeles, USA
- Institute for Quantitative and Computational Biosciences, University of California at Los Angeles, USA
| | - Pei-Yu Chiou
- Department of Mechanical and Aerospace Engineering, University of California at Los Angeles, USA.
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5
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Gao Y, Liu K, Lakerveld R, Ding X. Staged Assembly of Colloids Using DNA and Acoustofluidics. NANO LETTERS 2022; 22:6907-6915. [PMID: 35984231 DOI: 10.1021/acs.nanolett.2c01313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Assembly of DNA-coated colloids (DNACCs) provides a practical route to programming complex self-assembled materials at the micro/nanoscale. So far, the programmability of DNACC assembly has been extensively exploited internally using different DNA sequences or colloid geometry so that the assembly is mainly manipulated with single-particle spatial resolution such as in crystallization. In this Letter, we present an acoustic approach to externally programming the DNACC assembly with control of spatial resolution over larger scales. We demonstrate assembly of the DNACCs under different acoustic frequencies from stage to stage to produce hierarchical structures that are difficult to fabricate when using DNA coating alone. By programming the acoustic wave frequency, amplitude, and phase, colloidal structures with different morphologies can be assembled. The nonspecific driving force based on acoustic radiation forces at each stage allows our approach to be adopted for most colloidal systems without specific requirements on particle or medium properties.
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Affiliation(s)
- Yu Gao
- Paul M. Rady Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Kun Liu
- Paul M. Rady Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Richard Lakerveld
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Xiaoyun Ding
- Paul M. Rady Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States
- Materials Science and Engineering Program, University of Colorado, Boulder, Colorado 80309, United States
- Biomedical Engineering Program, University of Colorado, Boulder, Colorado 80309, United States
- BioFrontiers Institute, University of Colorado, Boulder, Colorado 80309, United States
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6
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Kopitca A, Latifi K, Zhou Q. Programmable assembly of particles on a Chladni plate. SCIENCE ADVANCES 2021; 7:eabi7716. [PMID: 34550737 PMCID: PMC8457668 DOI: 10.1126/sciadv.abi7716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 08/03/2021] [Indexed: 06/01/2023]
Abstract
In nature, simple building units can be assembled into complex shapes through long-term time-varying external stimuli that are often spatially nonlinear. In contrast, most artificial methods of externally directed assembly rely on field- or template-based energy minimization. However, methods directing the assembly process by controlling time-varying external stimuli instead of attaining the lowest-energy state remain largely unexplored. In this study, we introduce a method that applies time-varying and spatially nonlinear vibration fields to assemble particles into a desired two-dimensional shape. Our assembly method predicts, controls, and monitors the vibration-induced particle motion to iteratively minimize the difference between the desired shape and the actual particle distribution. We applied our method to a centrally actuated vibrating plate, also known as a Chladni plate, and assembled up to a hundred submillimeter particles into complex recognizable shapes. The method allows programmable formation of shapes beyond the intrinsic limits of periodic patterning of the plate.
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Affiliation(s)
- Artur Kopitca
- Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland
| | - Kourosh Latifi
- Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland
- Murata Electronics Oy, 01621 Vantaa, Finland
| | - Quan Zhou
- Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland
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7
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Kolesnik K, Xu M, Lee PVS, Rajagopal V, Collins DJ. Unconventional acoustic approaches for localized and designed micromanipulation. LAB ON A CHIP 2021; 21:2837-2856. [PMID: 34268539 DOI: 10.1039/d1lc00378j] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Acoustic fields are ideal for micromanipulation, being biocompatible and with force gradients approaching the scale of single cells. They have accordingly found use in a variety of microfluidic devices, including for microscale patterning, separation, and mixing. The bulk of work in acoustofluidics has been predicated on the formation of standing waves that form periodic nodal positions along which suspended particles and cells are aligned. An evolving range of applications, however, requires more targeted micromanipulation to create unique patterns and effects. To this end, recent work has made important advances in improving the flexibility with which acoustic fields can be applied, impressively demonstrating generating arbitrary arrangements of pressure fields, spatially localizing acoustic fields and selectively translating individual particles in ways that are not achievable via traditional approaches. In this critical review we categorize and examine these advances, each of which open the door to a wide range of applications in which single-cell fidelity and flexible micromanipulation are advantageous, including for tissue engineering, diagnostic devices, high-throughput sorting and microfabrication.
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Affiliation(s)
- Kirill Kolesnik
- Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia.
| | - Mingxin Xu
- Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia.
| | - Peter V S Lee
- Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia.
| | - Vijay Rajagopal
- Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia.
| | - David J Collins
- Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia.
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8
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Gu Y, Chen C, Rufo J, Shen C, Wang Z, Huang PH, Fu H, Zhang P, Cummer SA, Tian Z, Huang TJ. Acoustofluidic Holography for Micro- to Nanoscale Particle Manipulation. ACS NANO 2020; 14:14635-14645. [PMID: 32574491 PMCID: PMC7688555 DOI: 10.1021/acsnano.0c03754] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Acoustic-based techniques can manipulate particles in a label-free, contact-free, and biocompatible manner. However, most previous work in acoustic manipulation has been constrained by axisymmetric patterns of pressure nodes and antinodes. Acoustic holography is an emerging technique that offers the potential to generate arbitrary pressure distributions which can be applied to particle manipulation with higher degrees of freedom. However, since current acoustic holography techniques rely on acoustic radiation forces, which decrease dramatically when the target particle size decreases, they have difficulty manipulating particles in the micro/nanoscale. Here, we introduce a holography technique that leverages both an arbitrary acoustic field and controllable fluid motion to offer an effective approach for manipulating micro/nano particles. Our approach, termed acoustofluidic holography (AFH), can manipulate a variety of materials, including cells, polymers, and metals, across sizes ranging from hundreds of micrometers to tens of nanometers.
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Affiliation(s)
- Yuyang Gu
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Chuyi Chen
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Joseph Rufo
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Chen Shen
- Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Zeyu Wang
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Po-Hsun Huang
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Hai Fu
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Peiran Zhang
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
| | - Steven A Cummer
- Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Zhenhua Tian
- Department of Aerospace Engineering, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Tony Jun Huang
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27707, United States
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9
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Hu X, Zhu J, Zuo Y, Yang D, Zhang J, Cheng Y, Yang Y. Versatile biomimetic array assembly by phase modulation of coherent acoustic waves. LAB ON A CHIP 2020; 20:3515-3523. [PMID: 32935708 DOI: 10.1039/d0lc00779j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A high-throughput cell-assembly method, with the advantages of adjustability, ease of operation, and good precision, is remarkable for artificial tissue engineering. Here, we present a scientific solution by introducing high rotational symmetrical coherent acoustic waves, in order to enable the shape and arrangement of the acoustic potential wells to be flexibly modulated, and therefore to assemble on a large area diverse biomimetic arrays on a microfluidic platform. Ring arrays, honeycomb, and many other biomimetic arrays are achieved by real-time modulation of the wave vectors and phase relation of acoustic beams from six directions. In the experiments, human umbilical vein endothelial cells (HUVECs), arranged in ring structures, tend to connect with the adjacent cells and reach confluency, thus directing the in vitro two-dimensional vascular network formation. Higher rotational symmetry of the six coherent acoustic waves provides much more flexibility and diversity for acoustic cell assembly. With the advantages of efficiency, diversity and adjustability, this acoustic chip is expected to fulfill many applications, such as in biochemistry, bioprinting and tissue engineering related research.
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Affiliation(s)
- Xuejia Hu
- School of Physics & Technology, Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, Wuhan University, Wuhan 430072, China.
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10
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Liu P, Tian Z, Hao N, Bachman H, Zhang P, Hu J, Huang TJ. Acoustofluidic multi-well plates for enrichment of micro/nano particles and cells. LAB ON A CHIP 2020; 20:3399-3409. [PMID: 32779677 PMCID: PMC7494569 DOI: 10.1039/d0lc00378f] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Controllable enrichment of micro/nanoscale objects plays a significant role in many biomedical and biochemical applications, such as increasing the detection sensitivity of assays, or improving the structures of bio-engineered tissues. However, few techniques can perform concentrations of micro/nano objects in multi-well plates, a very common laboratory vessel. In this work, we develop an acoustofluidic multi-well plate, which adopts an array of simple, low-cost and commercially available ring-shaped piezoelectric transducers for rapid and robust enrichment of micro/nanoscale particles/cells in each well of the plate. The enrichment mechanism is validated and characterized through both numerical simulations and experiments. We observe that the ring-shaped piezoelectric transducer can generate circular standing flexural waves in the substrate of each well, and that the vibrations can induce acoustic streaming near the interface between the substrate and a fluid droplet placed within the well; this streaming can drive micro/nanoscale objects to the center of the droplet for enrichment. Moreover, the acoustofluidic multi-well plate can realize simultaneous and consistent enrichment of biological cells in each well of the plate. With merits such as simplicity, controllability, low cost, and excellent compatibility with other downstream analysis tools, the developed acoustofluidic multi-well plate could be a versatile tool for many applications such as micro/nano fabrication, self-assembly, biomedical/biochemical sensing, and tissue engineering.
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Affiliation(s)
- Pengzhan Liu
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708, USA.
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11
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Jin G, Bachman H, Naquin TD, Rufo J, Hou S, Tian Z, Zhao C, Huang TJ. Acoustofluidic Scanning Nanoscope with High Resolution and Large Field of View. ACS NANO 2020; 14:8624-8633. [PMID: 32574033 PMCID: PMC7438315 DOI: 10.1021/acsnano.0c03009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Optical imaging with nanoscale resolution and a large field of view is highly desirable in many research areas. Unfortunately, it is challenging to achieve these two features simultaneously while using a conventional microscope. An objective lens with a low numerical aperture (NA) has a large field of view but poor resolution. In contrast, a high NA objective lens will have a higher resolution but reduced field of view. In an effort to close the gap between these trade-offs, we introduce an acoustofluidic scanning nanoscope (AS-nanoscope) that can simultaneously achieve high resolution with a large field of view. The AS-nanoscope relies on acoustofluidic-assisted scanning of multiple microsized particles. A scanned 2D image is then compiled by processing the microparticle images using an automated big-data image algorithm. The AS-nanoscope has the potential to be integrated into a conventional microscope or could serve as a stand-alone instrument for a wide range of applications where both high resolution and large field of view are required.
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Affiliation(s)
- Geonsoo Jin
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Hunter Bachman
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Ty Downing Naquin
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Joseph Rufo
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Serena Hou
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Zhenhua Tian
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
| | - Chenglong Zhao
- Department of Physics, University of Dayton, 300 College Park, Dayton, Ohio 45469, United States
- Department of Electro-Optics and Photonics, University of Dayton, 300 College Park, Dayton, Ohio 45469, United States
| | - Tony Jun Huang
- Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708, United States
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12
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Tayebi M, O'Rorke R, Wong HC, Low HY, Han J, Collins DJ, Ai Y. Massively Multiplexed Submicron Particle Patterning in Acoustically Driven Oscillating Nanocavities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000462. [PMID: 32196142 DOI: 10.1002/smll.202000462] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 02/24/2020] [Indexed: 06/10/2023]
Abstract
Nanoacoustic fields are a promising method for particle actuation at the nanoscale, though THz frequencies are typically required to create nanoscale wavelengths. In this work, the generation of robust nanoscale force gradients is demonstrated using MHz driving frequencies via acoustic-structure interactions. A structured elastic layer at the interface between a microfluidic channel and a traveling surface acoustic wave (SAW) device results in submicron acoustic traps, each of which can trap individual submicron particles. The acoustically driven deformation of nanocavities gives rise to time-averaged acoustic fields which direct suspended particles toward, and trap them within, the nanocavities. The use of SAWs permits massively multiplexed particle manipulation with deterministic patterning at the single-particle level. In this work, 300 nm diameter particles are acoustically trapped in 500 nm diameter cavities using traveling SAWs with wavelengths in the range of 20-80 µm with one particle per cavity. On-demand generation of nanoscale acoustic force gradients has wide applications in nanoparticle manipulation, including bioparticle enrichment and enhanced catalytic reactions for industrial applications.
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Affiliation(s)
- Mahnoush Tayebi
- Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore, 487372, Singapore
| | - Richard O'Rorke
- Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore, 487372, Singapore
| | - Him Cheng Wong
- Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore, 487372, Singapore
| | - Hong Yee Low
- Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore, 487372, Singapore
| | - Jongyoon Han
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - David J Collins
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Ye Ai
- Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore, 487372, Singapore
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13
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Numerical Simulation of Boundary-Driven Acoustic Streaming in Microfluidic Channels with Circular Cross-Sections. MICROMACHINES 2020; 11:mi11030240. [PMID: 32111024 PMCID: PMC7143890 DOI: 10.3390/mi11030240] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/06/2020] [Accepted: 02/10/2020] [Indexed: 01/08/2023]
Abstract
While acoustic streaming patterns in microfluidic channels with rectangular cross-sections have been widely shown in the literature, boundary-driven streaming fields in non-rectangular channels have not been well studied. In this paper, a two-dimensional numerical model was developed to simulate the boundary-driven streaming fields on cross-sections of cylindrical fluid channels. Firstly, the linear acoustic pressure fields at the resonant frequencies were solved from the Helmholtz equation. Subsequently, the outer boundary-driven streaming fields in the bulk of fluid were modelled while using Nyborg’s limiting velocity method, of which the limiting velocity equations were extended to be applicable for cylindrical surfaces in this work. In particular, acoustic streaming fields in the primary (1, 0) mode were presented. The results are expected to be valuable to the study of basic physical aspects of microparticle acoustophoresis in microfluidic channels with circular cross-sections and the design of acoustofluidic devices for micromanipulation.
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