101
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Culbertson CT, Mickleburgh TG, Stewart-James SA, Sellens KA, Pressnall M. Micro total analysis systems: fundamental advances and biological applications. Anal Chem 2014; 86:95-118. [PMID: 24274655 PMCID: PMC3951881 DOI: 10.1021/ac403688g] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Tom G. Mickleburgh
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
| | | | - Kathleen A. Sellens
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
| | - Melissa Pressnall
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
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102
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Rambach RW, Skowronek V, Franke T. Localization and shaping of surface acoustic waves using PDMS posts: application for particle filtering and washing. RSC Adv 2014. [DOI: 10.1039/c4ra13002b] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
This paper demonstrates a technique for controlling position and effective area of a surface acoustic wave (SAW) in a PDMS microchannel and for shaping SSAWs independently of the interdigitated transducer.
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Affiliation(s)
- Richard W. Rambach
- Soft Matter Group
- Lehrstuhl für Experimentalphysik I
- Universität Augsburg
- Universitätsstr. 1
- D-86159 Augsburg, Germany, UK
| | - Viktor Skowronek
- Soft Matter Group
- Lehrstuhl für Experimentalphysik I
- Universität Augsburg
- Universitätsstr. 1
- D-86159 Augsburg, Germany, UK
| | - Thomas Franke
- Soft Matter Group
- Lehrstuhl für Experimentalphysik I
- Universität Augsburg
- Universitätsstr. 1
- D-86159 Augsburg, Germany, UK
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103
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Fong EJ, Johnston AC, Notton T, Jung SY, Rose KA, Weinberger LS, Shusteff M. Acoustic focusing with engineered node locations for high-performance microfluidic particle separation. Analyst 2014; 139:1192-200. [DOI: 10.1039/c4an00034j] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We present a new approach to acoustofluidic device design with a secondary channel separated from the main channel by a thin wall. This allows off-center placement of acoustic nodes, which enables high-efficiency and high-throughput separation of cell-scale objects.
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Affiliation(s)
- Erika J. Fong
- Lawrence Livermore National Laboratory
- Livermore, 94550 USA
- Department of Biomedical Engineering
- Boston University
- Boston, 02215 USA
| | | | - Timothy Notton
- The Gladstone Institutes (Department of Virology and Immunology)
- San Francisco, USA
- Joint Graduate Group in Bioengineering
- University of California
- San Francisco, USA
| | - Seung-Yong Jung
- The Gladstone Institutes (Department of Virology and Immunology)
- San Francisco, USA
- QB3: California Institute for Quantitative Biology
- University of California
- San Francisco, USA
| | - Klint A. Rose
- Lawrence Livermore National Laboratory
- Livermore, 94550 USA
| | - Leor S. Weinberger
- The Gladstone Institutes (Department of Virology and Immunology)
- San Francisco, USA
- Department of Biochemistry and Biophysics
- University of California
- San Francisco, USA
| | - Maxim Shusteff
- Lawrence Livermore National Laboratory
- Livermore, 94550 USA
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104
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Chan HF, Zhang Y, Ho YP, Chiu YL, Jung Y, Leong KW. Rapid formation of multicellular spheroids in double-emulsion droplets with controllable microenvironment. Sci Rep 2013; 3:3462. [PMID: 24322507 PMCID: PMC3857570 DOI: 10.1038/srep03462] [Citation(s) in RCA: 169] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 11/21/2013] [Indexed: 12/24/2022] Open
Abstract
An attractive option for tissue engineering is to use of multicellular spheroids as microtissues, particularly with stem cell spheroids. Conventional approaches of fabricating spheroids suffer from low throughput and polydispersity in size, and fail to supplement cues from extracellular matrix (ECM) for enhanced differentiation. In this study, we report the application of microfluidics-generated water-in-oil-in-water (w/o/w) double-emulsion (DE) droplets as pico-liter sized bioreactor for rapid cell assembly and well-controlled microenvironment for spheroid culture. Cells aggregated to form size-controllable (30–80 μm) spheroids in DE droplets within 150 min and could be retrieved via a droplet-releasing agent. Moreover, precursor hydrogel solution can be adopted as the inner phase to produce spheroid-encapsulated microgels after spheroid formation. As an example, the encapsulation of human mesenchymal stem cells (hMSC) spheroids in alginate and alginate-arginine-glycine-aspartic acid (-RGD) microgel was demonstrated, with enhanced osteogenic differentiation further exhibited in the latter case.
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Affiliation(s)
- Hon Fai Chan
- Department of Biomedical Engineering, Duke University, 101 Science Drive, Durham, NC 27708, USA
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105
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Ai Y, Sanders CK, Marrone BL. Separation of Escherichia coli bacteria from peripheral blood mononuclear cells using standing surface acoustic waves. Anal Chem 2013; 85:9126-34. [PMID: 23968497 PMCID: PMC3789253 DOI: 10.1021/ac4017715] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 08/23/2013] [Indexed: 01/19/2023]
Abstract
A microfluidic device was developed to separate heterogeneous particle or cell mixtures in a continuous flow using acoustophoresis. In this device, two identical surface acoustic waves (SAWs) generated by interdigital transducers (IDTs) propagated toward a microchannel, which accordingly built up a standing surface acoustic wave (SSAW) field across the channel. A numerical model, coupling a piezoelectric effect in the solid substrate and acoustic pressure in the fluid, was developed to provide a better understanding of SSAW-based particle manipulation. It was found that the pressure nodes across the channel were individual planes perpendicular to the solid substrate. In the separation experiments, two side sheath flows hydrodynamically focused the injected particle or cell mixtures into a very narrow stream along the centerline. Particles flowing through the SSAW field experienced an acoustic radiation force that highly depends on the particle properties. As a result, dissimilar particles or cells were laterally attracted toward the pressure nodes at different magnitudes, and were eventually switched to different outlets. Two types of fluorescent microspheres with different sizes were successfully separated using the developed device. In addition, Escherichia coli bacteria premixed in peripheral blood mononuclear cells (PBMCs) were also efficiently isolated using the SSAW-base separation technique. Flow cytometric analysis on the collected samples found that the purity of separated E. coli bacteria was 95.65%.
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Affiliation(s)
- Ye Ai
- Pillar of Engineering
Product Development, Singapore University of Technology
and Design, Singapore 138682, Singapore
| | - Claire K. Sanders
- Bioscience Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Babetta L. Marrone
- Bioscience Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
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106
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Ding X, Li P, Lin SCS, Stratton ZS, Nama N, Guo F, Slotcavage D, Mao X, Shi J, Costanzo F, Huang TJ. Surface acoustic wave microfluidics. LAB ON A CHIP 2013; 13:3626-49. [PMID: 23900527 PMCID: PMC3992948 DOI: 10.1039/c3lc50361e] [Citation(s) in RCA: 422] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The recent introduction of surface acoustic wave (SAW) technology onto lab-on-a-chip platforms has opened a new frontier in microfluidics. The advantages provided by such SAW microfluidics are numerous: simple fabrication, high biocompatibility, fast fluid actuation, versatility, compact and inexpensive devices and accessories, contact-free particle manipulation, and compatibility with other microfluidic components. We believe that these advantages enable SAW microfluidics to play a significant role in a variety of applications in biology, chemistry, engineering and medicine. In this review article, we discuss the theory underpinning SAWs and their interactions with particles and the contacting fluids in which they are suspended. We then review the SAW-enabled microfluidic devices demonstrated to date, starting with devices that accomplish fluid mixing and transport through the use of travelling SAW; we follow that by reviewing the more recent innovations achieved with standing SAW that enable such actions as particle/cell focusing, sorting and patterning. Finally, we look forward and appraise where the discipline of SAW microfluidics could go next.
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Affiliation(s)
- Xiaoyun Ding
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Peng Li
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Sz-Chin Steven Lin
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Zackary S. Stratton
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Nitesh Nama
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Feng Guo
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Daniel Slotcavage
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Xiaole Mao
- Department of Bioengineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Jinjie Shi
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Francesco Costanzo
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Tony Jun Huang
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
- Department of Bioengineering, The Pennsylvania State University, University Park, PA 16802, USA
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107
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Skowronek V, Rambach RW, Schmid L, Haase K, Franke T. Particle Deflection in a Poly(dimethylsiloxane) Microchannel Using a Propagating Surface Acoustic Wave: Size and Frequency Dependence. Anal Chem 2013; 85:9955-9. [DOI: 10.1021/ac402607p] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Viktor Skowronek
- Universität Augsburg, Lehrstuhl für Experimentalphysik I, Soft Matter Group, Universitätsstrasse 1, D-86159 Augsburg, Germany
| | - Richard W. Rambach
- Universität Augsburg, Lehrstuhl für Experimentalphysik I, Soft Matter Group, Universitätsstrasse 1, D-86159 Augsburg, Germany
| | - Lothar Schmid
- Universität Augsburg, Lehrstuhl für Experimentalphysik I, Soft Matter Group, Universitätsstrasse 1, D-86159 Augsburg, Germany
| | - Katharina Haase
- Universität Augsburg, Lehrstuhl für Experimentalphysik I, Soft Matter Group, Universitätsstrasse 1, D-86159 Augsburg, Germany
| | - Thomas Franke
- Universität Augsburg, Lehrstuhl für Experimentalphysik I, Soft Matter Group, Universitätsstrasse 1, D-86159 Augsburg, Germany
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108
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Guo F, French JB, Li P, Zhao H, Chan CY, Fick JR, Benkovic SJ, Huang TJ. Probing cell-cell communication with microfluidic devices. LAB ON A CHIP 2013; 13:3152-62. [PMID: 23843092 PMCID: PMC3998754 DOI: 10.1039/c3lc90067c] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Intercellular communication is a mechanism that regulates critical events during embryogenesis and coordinates signalling within differentiated tissues, such as the nervous and cardiovascular systems. To perform specialized activities, these tissues utilize the rapid exchange of signals among networks that, while are composed of different cell types, are nevertheless functionally coupled. Errors in cellular communication can lead to varied deleterious effects such as degenerative and autoimmune diseases. However, the intercellular communication network is extremely complex in multicellular organisms making isolation of the functional unit and study of basic mechanisms technically challenging. New experimental methods to examine mechanisms of intercellular communication among cultured cells could provide insight into physiological and pathological processes alike. Recent developments in microfluidic technology allow miniaturized and integrated devices to perform intercellular communication experiments on-chip. Microfluidics have many advantages, including the ability to replicate in vitro the chemical, mechanical, and physical cellular microenvironment of tissues with precise spatial and temporal control combined with dynamic characterization, high throughput, scalability and reproducibility. In this Focus article, we highlight some of the recent work and advances in the application of microfluidics to the study of mammalian intercellular communication with particular emphasis on cell contact and soluble factor mediated communication. In addition, we provide some insights into likely direction of the future developments in this field.
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Affiliation(s)
- Feng Guo
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA. Fax: 814-865-9974; Tel: 814-863-4209
| | - Jarrod B. French
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802 USA. Fax: 814-863-0735; Tel: 814-865-2973
| | - Peng Li
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA. Fax: 814-865-9974; Tel: 814-863-4209
| | - Hong Zhao
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802 USA. Fax: 814-863-0735; Tel: 814-865-2973
| | - Chung Yu Chan
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA. Fax: 814-865-9974; Tel: 814-863-4209
| | - James R. Fick
- Penn State Hershey Medical Group, 1850 East Park Avenue, Suite 112, State College, PA 16803 USA
| | - Stephen J. Benkovic
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802 USA. Fax: 814-863-0735; Tel: 814-865-2973
| | - Tony Jun Huang
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA. Fax: 814-865-9974; Tel: 814-863-4209
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