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Yang Y, Jiang P, Li H, Li W, Li D, Yan X, Zhu X, Ye D, Yang Y, Wang H, Chen R, Liao Q. Photothermal-Driven Droplet Manipulation: A Perspective. J Phys Chem Lett 2024:8877-8895. [PMID: 39171577 DOI: 10.1021/acs.jpclett.4c01977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Optofluidics, which utilizes the interactions between light and fluids to realize various functions, has garnered increasing attention owing to the advantages of operational simplicity, exceptional flexibility, rapid response, etc. As one of the typical light-fluid interactions, the localized photothermal effect serving as a stimulus has been widely used for fluid manipulation. Particularly, significant progress on photothermal-driven droplet manipulation has been made. In this perspective, recent advancements in localized photothermal effect driven droplet manipulation are summarized. First, the photothermal manipulation of droplets on open surfaces is outlined. An attractive droplet manipulation of light droplet levitation above the gas-liquid interface via localized photothermal effect is then discussed. Besides, the photothermal-driven manipulation of droplets in an immiscible liquid phase is also discussed. Although promising, further development of photothermal-driven droplet manipulation is still needed. The challenges and perspectives of this light droplet manipulation strategy for broad implementation are summarized, which will help future studies and applications.
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Affiliation(s)
- Yijing Yang
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Pengcheng Jiang
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Haonan Li
- Institute of Laser Manufacturing, Henan Academy of Sciences, Zhengzhou 450046, P. R. China
| | - Wei Li
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Dongliang Li
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Xiao Yan
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Xun Zhu
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Dingding Ye
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Yang Yang
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Hong Wang
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Rong Chen
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
| | - Qiang Liao
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education, Chongqing 400030, China
- Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing 400030, China
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Dong T, Yu C, Mao Q, Han F, Yang Z, Yang Z, Pires N, Wei X, Jing W, Lin Q, Hu F, Hu X, Zhao L, Jiang Z. Advances in biosensors for major depressive disorder diagnostic biomarkers. Biosens Bioelectron 2024; 258:116291. [PMID: 38735080 DOI: 10.1016/j.bios.2024.116291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/25/2024] [Accepted: 04/09/2024] [Indexed: 05/14/2024]
Abstract
Depression is one of the most common mental disorders and is mainly characterized by low mood or lack of interest and pleasure. It can be accompanied by varying degrees of cognitive and behavioral changes and may lead to suicide risk in severe cases. Due to the subjectivity of diagnostic methods and the complexity of patients' conditions, the diagnosis of major depressive disorder (MDD) has always been a difficult problem in psychiatry. With the discovery of more diagnostic biomarkers associated with MDD in recent years, especially emerging non-coding RNAs (ncRNAs), it is possible to quantify the condition of patients with mental illness based on biomarker levels. Point-of-care biosensors have emerged due to their advantages of convenient sampling, rapid detection, miniaturization, and portability. After summarizing the pathogenesis of MDD, representative biomarkers, including proteins, hormones, and RNAs, are discussed. Furthermore, we analyzed recent advances in biosensors for detecting various types of biomarkers of MDD, highlighting representative electrochemical sensors. Future trends in terms of new biomarkers, new sample processing methods, and new detection modalities are expected to provide a complete reference for psychiatrists and biomedical engineers.
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Affiliation(s)
- Tao Dong
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China; Chongqing Key Laboratory of Micro-Nano Transduction and Intelligent Systems, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Nan'an District, Chongqing, 400067, China.
| | - Chenghui Yu
- Chongqing Key Laboratory of Micro-Nano Transduction and Intelligent Systems, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Nan'an District, Chongqing, 400067, China.
| | - Qi Mao
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Feng Han
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Zhenwei Yang
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Zhaochu Yang
- Chongqing Key Laboratory of Micro-Nano Transduction and Intelligent Systems, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Nan'an District, Chongqing, 400067, China
| | - Nuno Pires
- Chongqing Key Laboratory of Micro-Nano Transduction and Intelligent Systems, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Nan'an District, Chongqing, 400067, China
| | - Xueyong Wei
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Weixuan Jing
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Qijing Lin
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Fei Hu
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xiao Hu
- Engineering Research Center of Ministry of Education for Smart Justice, School of Criminal Investigation, Southwest University of Political Science and Law, Chongqing, 401120, China.
| | - Libo Zhao
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Zhuangde Jiang
- X Multidisciplinary Research Institute, School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
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Wei W, Wang Z, Wang B, He X, Wang Y, Bai Y, Yang Q, Pang W, Duan X. Acoustofluidic manipulation for submicron to nanoparticles. Electrophoresis 2024. [PMID: 38794970 DOI: 10.1002/elps.202400062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/27/2024]
Abstract
Particles, ranging from submicron to nanometer scale, can be broadly categorized into biological and non-biological types. Submicron-to-nanoscale bioparticles include various bacteria, viruses, liposomes, and exosomes. Non-biological particles cover various inorganic, metallic, and carbon-based particles. The effective manipulation of these submicron to nanoparticles, including their separation, sorting, enrichment, assembly, trapping, and transport, is a fundamental requirement for different applications. Acoustofluidics, owing to their distinct advantages, have emerged as a potent tool for nanoparticle manipulation over the past decade. Although recent literature reviews have encapsulated the evolution of acoustofluidic technology, there is a paucity of reports specifically addressing the acoustical manipulation of submicron to nanoparticles. This article endeavors to provide a comprehensive study of this topic, delving into the principles, apparatus, and merits of acoustofluidic manipulation of submicron to nanoparticles, and discussing the state-of-the-art developments in this technology. The discourse commences with an introduction to the fundamental theory of acoustofluidic control and the forces involved in nanoparticle manipulation. Subsequently, the working mechanism of acoustofluidic manipulation of submicron to nanoparticles is dissected into two parts, dominated by the acoustic wave field and the acoustic streaming field. A critical analysis of the advantages and limitations of different acoustofluidic platforms in nanoparticles control is presented. The article concludes with a summary of the challenges acoustofluidics face in the realm of nanoparticle manipulation and analysis, and a forecast of future development prospects.
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Affiliation(s)
- Wei Wei
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Zhaoxun Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Bingnan Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Xinyuan He
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Yaping Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Yang Bai
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Qingrui Yang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
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Vachon P, Merugu S, Sharma J, Lal A, Ng EJ, Koh Y, Lee JEY, Lee C. Cavity-agnostic acoustofluidic manipulations enabled by guided flexural waves on a membrane acoustic waveguide actuator. MICROSYSTEMS & NANOENGINEERING 2024; 10:33. [PMID: 38463549 PMCID: PMC10920796 DOI: 10.1038/s41378-023-00643-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/09/2023] [Accepted: 12/04/2023] [Indexed: 03/12/2024]
Abstract
This article presents an in-depth exploration of the acoustofluidic capabilities of guided flexural waves (GFWs) generated by a membrane acoustic waveguide actuator (MAWA). By harnessing the potential of GFWs, cavity-agnostic advanced particle manipulation functions are achieved, unlocking new avenues for microfluidic systems and lab-on-a-chip development. The localized acoustofluidic effects of GFWs arising from the evanescent nature of the acoustic fields they induce inside a liquid medium are numerically investigated to highlight their unique and promising characteristics. Unlike traditional acoustofluidic technologies, the GFWs propagating on the MAWA's membrane waveguide allow for cavity-agnostic particle manipulation, irrespective of the resonant properties of the fluidic chamber. Moreover, the acoustofluidic functions enabled by the device depend on the flexural mode populating the active region of the membrane waveguide. Experimental demonstrations using two types of particles include in-sessile-droplet particle transport, mixing, and spatial separation based on particle diameter, along with streaming-induced counter-flow virtual channel generation in microfluidic PDMS channels. These experiments emphasize the versatility and potential applications of the MAWA as a microfluidic platform targeted at lab-on-a-chip development and showcase the MAWA's compatibility with existing microfluidic systems.
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Affiliation(s)
- Philippe Vachon
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Srinivas Merugu
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Jaibir Sharma
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Amit Lal
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- SonicMEMS Laboratory, School of Electrical and Computer Engineering, Cornell University, Ithaca, NY USA
| | - Eldwin J. Ng
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Yul Koh
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Joshua E.-Y. Lee
- Institute of Microelectronics, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW Australia
| | - Chengkuo Lee
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore
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5
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Rufo J, Zhang P, Wang Z, Gu Y, Yang K, Rich J, Chen C, Zhong R, Jin K, He Y, Xia J, Li K, Wu J, Ouyang Y, Sadovsky Y, Lee LP, Huang TJ. High-yield and rapid isolation of extracellular vesicles by flocculation via orbital acoustic trapping: FLOAT. MICROSYSTEMS & NANOENGINEERING 2024; 10:23. [PMID: 38317693 PMCID: PMC10838941 DOI: 10.1038/s41378-023-00648-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 11/01/2023] [Accepted: 11/11/2023] [Indexed: 02/07/2024]
Abstract
Extracellular vesicles (EVs) have been identified as promising biomarkers for the noninvasive diagnosis of various diseases. However, challenges in separating EVs from soluble proteins have resulted in variable EV recovery rates and low purities. Here, we report a high-yield ( > 90%) and rapid ( < 10 min) EV isolation method called FLocculation via Orbital Acoustic Trapping (FLOAT). The FLOAT approach utilizes an acoustofluidic droplet centrifuge to rotate and controllably heat liquid droplets. By adding a thermoresponsive polymer flocculant, nanoparticles as small as 20 nm can be rapidly and selectively concentrated at the center of the droplet. We demonstrate the ability of FLOAT to separate urinary EVs from the highly abundant Tamm-Horsfall protein, addressing a significant obstacle in the development of EV-based liquid biopsies. Due to its high-yield nature, FLOAT reduces biofluid starting volume requirements by a factor of 100 (from 20 mL to 200 µL), demonstrating its promising potential in point-of-care diagnostics.
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Affiliation(s)
- Joseph Rufo
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Peiran Zhang
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Zeyu Wang
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Yuyang Gu
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Kaichun Yang
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Joseph Rich
- Department of Biomedical Engineering, Duke University, Durham, NC USA
| | - Chuyi Chen
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Ruoyu Zhong
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Ke Jin
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Ye He
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Jianping Xia
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Ke Li
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Jiarong Wu
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
| | - Yingshi Ouyang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh, Pittsburgh, PA USA
| | - Yoel Sadovsky
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh, Pittsburgh, PA USA
- Department of Microbiology and Molecular Genetics, School of Medicine, University of Pittsburgh, Pittsburgh, PA USA
| | - Luke P. Lee
- Renal Division and Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
- Department of Bioengineering, Department of Electrical Engineering and Computer Science, University of California, Berkeley, Berkeley, CA USA
- Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Korea
| | - Tony Jun Huang
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC USA
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Rich J, Cole B, Li T, Lu B, Fu H, Smith BN, Xia J, Yang S, Zhong R, Doherty JL, Kaneko K, Suzuki H, Tian Z, Franklin AD, Huang TJ. Aerosol jet printing of surface acoustic wave microfluidic devices. MICROSYSTEMS & NANOENGINEERING 2024; 10:2. [PMID: 38169478 PMCID: PMC10757899 DOI: 10.1038/s41378-023-00606-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/17/2023] [Accepted: 09/06/2023] [Indexed: 01/05/2024]
Abstract
The addition of surface acoustic wave (SAW) technologies to microfluidics has greatly advanced lab-on-a-chip applications due to their unique and powerful attributes, including high-precision manipulation, versatility, integrability, biocompatibility, contactless nature, and rapid actuation. However, the development of SAW microfluidic devices is limited by complex and time-consuming micro/nanofabrication techniques and access to cleanroom facilities for multistep photolithography and vacuum-based processing. To simplify the fabrication of SAW microfluidic devices with customizable dimensions and functions, we utilized the additive manufacturing technique of aerosol jet printing. We successfully fabricated customized SAW microfluidic devices of varying materials, including silver nanowires, graphene, and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS). To characterize and compare the acoustic actuation performance of these aerosol jet printed SAW microfluidic devices with their cleanroom-fabricated counterparts, the wave displacements and resonant frequencies of the different fabricated devices were directly measured through scanning laser Doppler vibrometry. Finally, to exhibit the capability of the aerosol jet printed devices for lab-on-a-chip applications, we successfully conducted acoustic streaming and particle concentration experiments. Overall, we demonstrated a novel solution-based, direct-write, single-step, cleanroom-free additive manufacturing technique to rapidly develop SAW microfluidic devices that shows viability for applications in the fields of biology, chemistry, engineering, and medicine.
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Affiliation(s)
- Joseph Rich
- Department of Biomedical Engineering, Duke University, Durham, NC 27708 USA
| | - Brian Cole
- Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708 USA
| | - Teng Li
- Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061 USA
| | - Brandon Lu
- Department of Biomedical Engineering, Duke University, Durham, NC 27708 USA
| | - Hanyu Fu
- Department of Biomedical Engineering, Duke University, Durham, NC 27708 USA
| | - Brittany N. Smith
- Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708 USA
| | - Jianping Xia
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708 USA
| | - Shujie Yang
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708 USA
| | - Ruoyu Zhong
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708 USA
| | - James L. Doherty
- Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708 USA
| | - Kanji Kaneko
- Deptartment of Precision Mechanics, Faculty of Science and Engineering, Chuo University, Tokyo, 112-8551 Japan
| | - Hiroaki Suzuki
- Deptartment of Precision Mechanics, Faculty of Science and Engineering, Chuo University, Tokyo, 112-8551 Japan
| | - Zhenhua Tian
- Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061 USA
| | - Aaron D. Franklin
- Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708 USA
- Department of Chemistry, Duke University, Durham, NC 27708 USA
| | - Tony Jun Huang
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708 USA
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Vachon P, Merugu S, Sharma J, Lal A, Ng EJ, Koh Y, Lee JEY, Lee C. Microfabricated acoustofluidic membrane acoustic waveguide actuator for highly localized in-droplet dynamic particle manipulation. LAB ON A CHIP 2023; 23:1865-1878. [PMID: 36852544 DOI: 10.1039/d2lc01192a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Precision manipulation techniques in microfluidics often rely on ultrasonic actuators to generate displacement and pressure fields in a liquid. However, strategies to enhance and confine the acoustofluidic forces often work against miniaturization and reproducibility in fabrication. This study presents microfabricated piezoelectric thin film membranes made via silicon diffusion for guided flexural wave generation as promising acoustofluidic actuators with low frequency, voltage, and power requirements. The guided wave propagation can be dynamically controlled to tune and confine the induced acoustofluidic radiation force and streaming. This provides for highly localized dynamic particle manipulation functionalities such as multidirectional transport, patterning, and trapping. The device combines the advantages of microfabrication and advanced acoustofluidic capabilities into a miniature "drop-and-actuate" chip that is mechanically robust and features a high degree of reproducibility for large-scale production. The membrane acoustic waveguide actuators offer a promising pathway for acoustofluidic applications such as biosensing, organoid production, and in situ analyte transport.
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Affiliation(s)
- Philippe Vachon
- Institute of Microelectronics, A*STAR, Singapore
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore.
| | | | | | - Amit Lal
- Institute of Microelectronics, A*STAR, Singapore
- SonicMEMS Laboratory, School of Electrical and Computer Engineering, Cornell University, Ithaca, USA
| | - Eldwin J Ng
- Institute of Microelectronics, A*STAR, Singapore
| | - Yul Koh
- Institute of Microelectronics, A*STAR, Singapore
| | | | - Chengkuo Lee
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore.
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8
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Wei W, Wang Y, Wang Z, Duan X. Microscale acoustic streaming for biomedical and bioanalytical applications. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Sheng S, Yang H, Song Y, Chen R, Liang S, Fang H. Size-Dependent Spontaneous Separation of Colloidal Particles in Sub-Microliter Suspension by Cations. Int J Mol Sci 2022; 23:ijms23158055. [PMID: 35897631 PMCID: PMC9329736 DOI: 10.3390/ijms23158055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 01/27/2023] Open
Abstract
Great efforts have been made to separate micro/nanoparticles in small-volume specimens, but it is a challenge to achieve the simple, maneuverable and low-cost separation of sub-microliter suspension with large separation distances. By simply adding trace amounts of cations (Mg2+/Ca2+/Na+), we experimentally achieved the size-dependent spontaneous separation of colloidal particles in an evaporating droplet with a volume down to 0.2 μL. The separation distance was at a millimeter level, benefiting the subsequent processing of the specimen. Within only three separating cycles, the mass ratio between particles with diameters of 1.0 μm and 0.1 μm can be effectively increased to 13 times of its initial value. A theoretical analysis indicates that this spontaneous separation is attributed to the size-dependent adsorption between the colloidal particles and the aromatic substrate due to the strong hydrated cation-π interactions.
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Affiliation(s)
- Shiqi Sheng
- School of Physics, East China University of Science and Technology, Shanghai 200237, China; (S.S.); (Y.S.); (R.C.); (S.L.)
| | - Haijun Yang
- Interdisciplinary Research Center, Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory (SSRF, ZJLab), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China;
- CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Yongshun Song
- School of Physics, East China University of Science and Technology, Shanghai 200237, China; (S.S.); (Y.S.); (R.C.); (S.L.)
| | - Ruoyang Chen
- School of Physics, East China University of Science and Technology, Shanghai 200237, China; (S.S.); (Y.S.); (R.C.); (S.L.)
| | - Shanshan Liang
- School of Physics, East China University of Science and Technology, Shanghai 200237, China; (S.S.); (Y.S.); (R.C.); (S.L.)
| | - Haiping Fang
- School of Physics, East China University of Science and Technology, Shanghai 200237, China; (S.S.); (Y.S.); (R.C.); (S.L.)
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
- Correspondence:
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Enhanced Detection in Droplet Microfluidics by Acoustic Vortex Modulation of Particle Rings and Particle Clusters via Asymmetric Propagation of Surface Acoustic Waves. BIOSENSORS 2022; 12:bios12060399. [PMID: 35735547 PMCID: PMC9221473 DOI: 10.3390/bios12060399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/28/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022]
Abstract
As a basis for biometric and chemical analysis, issues of how to dilute or concentrate substances such as particles or cells to specific concentrations have long been of interest to researchers. In this study, travelling surface acoustic wave (TSAW)-based devices with three frequencies (99.1, 48.8, 20.4 MHz) have been used to capture the suspended Polystyrene (PS) microspheres of various sizes (5, 20, 40 μm) in sessile droplets, which are controlled by acoustic field-induced fluid vortex (acoustic vortex) and aggregate into clusters or rings with particles. These phenomena can be explained by the interaction of three forces, which are drag force caused by ASF, ARF caused by Leaky-SAW and varying centrifugal force. Eventually, a novel approach of free transition between the particle ring and cluster was approached via modulating the acoustic amplitude of TSAW. By this method, multilayer particles agglomerate with 20 μm wrapped around 40 μm and 20 μm wrapped around 5 μm can be obtained, which provides the possibility to dilute or concentrate the particles to a specific concentration.
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