1
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Zhang J, Zheng T, Helalat SH, Yesibolati MN, Sun Y. Synthesis of eco-friendly multifunctional dextran microbeads for multiplexed assays. J Colloid Interface Sci 2024; 666:603-614. [PMID: 38613982 DOI: 10.1016/j.jcis.2024.04.061] [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: 01/24/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/15/2024]
Abstract
There has been an increasing demand for simultaneous detection of multiple analytes in one sample. Microbead-based platforms have been developed for multiplexed assays. However, most of the microbeads are made of non-biodegradable synthetic polymers, leading to environmental and human health concerns. In this study, we developed an environmentally friendly dextran microbeads as a new type of multi-analyte assay platform. Biodegradable dextran was utilized as the primary material. Highly uniform magnetic dextran microspheres were successfully synthesized using the Shirasu porous glass (SPG) membrane emulsification technique. To enhance the amount of surface functional groups for ligand conjugation, we coated the dextran microbeads with a layer of dendrimers via a simple electrostatic adsorption process. Subsequently, a unique and efficient click chemistry coupling technique was developed for the fluorescence encoding of the microspheres, enabling multiplexed detection. The dextran microbeads were tested for 3-plex cytokine analysis, and exhibited excellent biocompatibility, stable coding signals, low background noise and high sensitivity.
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Affiliation(s)
- Jing Zhang
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Tao Zheng
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
| | - Seyed Hossein Helalat
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Murat Nulati Yesibolati
- National Centre for Nanofabrication and Characterization, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Yi Sun
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
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2
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Yang Y, Vagin SI, Rieger B, Destgeer G. Fabrication of Crescent Shaped Microparticles for Particle Templated Droplet Formation. Macromol Rapid Commun 2024; 45:e2300721. [PMID: 38615246 DOI: 10.1002/marc.202300721] [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: 12/12/2023] [Revised: 04/08/2024] [Indexed: 04/15/2024]
Abstract
Crescent-shaped hydrogel microparticles are shown to template uniform volume aqueous droplets upon simple mixing with aqueous and oil media for various bioassays. This emerging "lab on a particle" technique requires hydrogel particles with tunable material properties and dimensions. The crescent shape of the particles is attained by aqueous two-phase separation of polymers followed by photopolymerization of the curable precursor. In this work, the phase separation of poly(ethylene glycol) diacrylate (PEGDA, Mw 700) and dextran (Mw 40 000) for tunable manufacturing of crescent-shaped particles is investigated. The particles' morphology is precisely tuned by following a phase diagram, varying the UV intensity, and adjusting the flow rates of various streams. The fabricated particles with variable dimensions encapsulate uniform aqueous droplets upon mixing with an oil phase. The particles are fluorescently labeled with red and blue emitting dyes at variable concentrations to produce six color-coded particles. The blue fluorescent dye shows a moderate response to the pH change. The fluorescently labeled particles are able to tolerate an extremely acidic solution (pH 1) but disintegrate within an extremely basic solution (pH 14). The particle-templated droplets are able to effectively retain the disintegrating particle and the fluorescent signal at pH 14.
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Affiliation(s)
- Yimin Yang
- Control and Manipulation of Microscale Living Objects, Department of Electrical Engineering, TUM School of Computation, Information and Technology, TranslaTUM - Center for Translational Cancer Research, Technical University of Munich, Einsteinstraße 25, 81675, Munich, Germany
| | - Sergei I Vagin
- WACKER-Chair of Macromolecular Chemistry, Department of Chemistry, TUM School of Natural Sciences, Technical University of Munich, Lichtenbergstraße 4, 85748, Garching, Germany
| | - Bernhard Rieger
- WACKER-Chair of Macromolecular Chemistry, Department of Chemistry, TUM School of Natural Sciences, Technical University of Munich, Lichtenbergstraße 4, 85748, Garching, Germany
| | - Ghulam Destgeer
- Control and Manipulation of Microscale Living Objects, Department of Electrical Engineering, TUM School of Computation, Information and Technology, TranslaTUM - Center for Translational Cancer Research, Technical University of Munich, Einsteinstraße 25, 81675, Munich, Germany
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3
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Ghosh R, Arnheim A, van Zee M, Shang L, Soemardy C, Tang RC, Mellody M, Baghdasarian S, Sanchez Ochoa E, Ye S, Chen S, Williamson C, Karunaratne A, Di Carlo D. Lab on a Particle Technologies. Anal Chem 2024; 96:7817-7839. [PMID: 38650433 PMCID: PMC11112544 DOI: 10.1021/acs.analchem.4c01510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/14/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Affiliation(s)
- Rajesh Ghosh
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Alyssa Arnheim
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Mark van Zee
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Lily Shang
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Citradewi Soemardy
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Rui-Chian Tang
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Michael Mellody
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Sevana Baghdasarian
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Edwin Sanchez Ochoa
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Shun Ye
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Siyu Chen
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Cayden Williamson
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Amrith Karunaratne
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Dino Di Carlo
- Department
of Bioengineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
- Jonsson
Comprehensive Cancer Center, University
of California, Los Angeles, Los Angeles, California 90095, United States
- Department
of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
- California
NanoSystems Institute, Los Angeles, California 90095, United States
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4
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Sahin MA, Shehzad M, Destgeer G. Stopping Microfluidic Flow. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307956. [PMID: 38143295 DOI: 10.1002/smll.202307956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/13/2023] [Indexed: 12/26/2023]
Abstract
A cross-comparison of three stop-flow configurations-such as low-pressure (LSF), high-pressure open-circuit (OC-HSF), and high-pressure short-circuit (SC-HSF) stop-flow-is presented to rapidly bring a high velocity flow O(m s-1) within a microchannel to a standstill O(µm s-1). The performance of three stop-flow configurations is assessed by measuring residual flow velocities within microchannels having three orders of magnitude different flow resistances. The LSF configuration outperforms the OC-HSF and SC-HSF configurations within a high flow resistance microchannel and results in a residual velocity of <10 µm s-1. The OC-HSF configuration results in a residual velocity of <150 µm s-1 within a low flow resistance microchannel. The SC-HSF configuration results in a residual velocity of <200 µm s-1 across the three orders-of-magnitude different flow resistance microchannels, and <100 µm s-1 for the low flow resistance channel. It is hypothesized that residual velocity results from compliance in fluidic circuits, which is further investigated by varying the elasticity of microchannel walls and connecting tubing. A numerical model is developed to estimate the expanded volumes of the compliant microchannel and connecting tubings under a pressure gradient and to calculate the distance traveled by the sample fluid. A comparison of the numerically and experimentally obtained traveling distances confirms the hypothesis that the residual velocities are an outcome of the compliance in the fluidic circuit.
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Affiliation(s)
- Mehmet Akif Sahin
- Control and Manipulation of Microscale Living Objects, Department of Electrical Engineering, School of Computation, Information and Technology (CIT), Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Einsteinstraße 25, 81675, Munich, Germany
| | - Muhammad Shehzad
- Control and Manipulation of Microscale Living Objects, Department of Electrical Engineering, School of Computation, Information and Technology (CIT), Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Einsteinstraße 25, 81675, Munich, Germany
| | - Ghulam Destgeer
- Control and Manipulation of Microscale Living Objects, Department of Electrical Engineering, School of Computation, Information and Technology (CIT), Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Einsteinstraße 25, 81675, Munich, Germany
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5
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Shah V, Yang X, Arnheim A, Udani S, Tseng D, Luo Y, Ouyang M, Destgeer G, Garner OB, Koydemir HC, Ozcan A, Di Carlo D. Amphiphilic Particle-Stabilized Nanoliter Droplet Reactors with a Multimodal Portable Reader for Distributive Biomarker Quantification. ACS NANO 2023; 17:19952-19960. [PMID: 37824510 PMCID: PMC10604076 DOI: 10.1021/acsnano.3c04994] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 10/06/2023] [Indexed: 10/14/2023]
Abstract
Compartmentalization, leveraging microfluidics, enables highly sensitive assays, but the requirement for significant infrastructure for their design, build, and operation limits access. Multimaterial particle-based technologies thermodynamically stabilize monodisperse droplets as individual reaction compartments with simple liquid handling steps, precluding the need for expensive microfluidic equipment. Here, we further improve the accessibility of this lab on a particle technology to resource-limited settings by combining this assay system with a portable multimodal reader, thus enabling nanoliter droplet assays in an accessible platform. We show the utility of this platform in measuring N-terminal propeptide B-type natriuretic peptide (NT-proBNP), a heart failure biomarker, in complex medium and patient samples. We report a limit of detection of ∼0.05 ng/mL and a linear response between 0.2 and 2 ng/mL in spiked plasma samples. We also show that, owing to the plurality of measurements per sample, "swarm" sensing acquires better statistical quantitation with a portable reader. Monte Carlo simulations show the increasing capability of this platform to differentiate between negative and positive samples, i.e., below or above the clinical cutoff for acute heart failure (∼0.1 ng/mL), as a function of the number of particles measured. Our platform measurements correlate with gold standard ELISA measurement in cardiac patient samples, and achieve lower variation in measurement across samples compared to the standard well plate-based ELISA. Thus, we show the capabilities of a cost-effective droplet-reader system in accurately measuring biomarkers in nanoliter droplets for diseases that disproportionately affect underserved communities in resource-limited settings.
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Affiliation(s)
- Vishwesh Shah
- Department
of Bioengineering, University of California
- Los Angeles, Los Angeles, California 90095, United States
| | - Xilin Yang
- Department
of Electrical and Computer Engineering, University of California - Los Angeles, Los Angeles, California 90095, United States
| | - Alyssa Arnheim
- Department
of Bioengineering, University of California
- Los Angeles, Los Angeles, California 90095, United States
| | - Shreya Udani
- Department
of Bioengineering, University of California
- Los Angeles, Los Angeles, California 90095, United States
| | - Derek Tseng
- Department
of Electrical and Computer Engineering, University of California - Los Angeles, Los Angeles, California 90095, United States
| | - Yi Luo
- Department
of Electrical and Computer Engineering, University of California - Los Angeles, Los Angeles, California 90095, United States
| | - Mengxing Ouyang
- Department
of Bioengineering, University of California
- Los Angeles, Los Angeles, California 90095, United States
| | - Ghulam Destgeer
- Department
of Electrical Engineering, Technical University
of Munich, Munich 80333, Germany
| | - Omai B. Garner
- Department
of Pathology and Laboratory Medicine, University
of California - Los Angeles, Los
Angeles, California 90095, United States
| | - Hatice C. Koydemir
- Center
for Remote Health Technologies and Systems, Texas A&M Engineering Experiment Station, College Station, Texas 77843, United States
- Department
of Biomedical Engineering, Texas A&M
University, College Station, Texas 77843, United States
| | - Aydogan Ozcan
- Department
of Electrical and Computer Engineering, University of California - Los Angeles, Los Angeles, California 90095, United States
- California
Nanosystems Institute (CNSI), University
of California - Los Angeles, Los
Angeles, California 90095, United States
| | - Dino Di Carlo
- Department
of Bioengineering, University of California
- Los Angeles, Los Angeles, California 90095, United States
- California
Nanosystems Institute (CNSI), University
of California - Los Angeles, Los
Angeles, California 90095, United States
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6
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Aubry G, Lee HJ, Lu H. Advances in Microfluidics: Technical Innovations and Applications in Diagnostics and Therapeutics. Anal Chem 2023; 95:444-467. [PMID: 36625114 DOI: 10.1021/acs.analchem.2c04562] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Guillaume Aubry
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Hyun Jee Lee
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Hang Lu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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7
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Sahin MA, Werner H, Udani S, Di Carlo D, Destgeer G. Flow lithography for structured microparticles: fundamentals, methods and applications. LAB ON A CHIP 2022; 22:4007-4042. [PMID: 35920614 DOI: 10.1039/d2lc00421f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Structured microparticles, with unique shapes, customizable sizes, multiple materials, and spatially-defined chemistries, are leading the way for emerging 'lab on a particle' technologies. These microparticles with engineered designs find applications in multiplexed diagnostics, drug delivery, single-cell secretion assays, single-molecule detection assays, high throughput cytometry, micro-robotics, self-assembly, and tissue engineering. In this article we review state-of-the-art particle manufacturing technologies based on flow-assisted photolithography performed inside microfluidic channels. Important physicochemical concepts are discussed to provide a basis for understanding the fabrication technologies. These photolithography technologies are compared based on the structural as well as compositional complexity of the fabricated particles. Particles are categorized, from 1D to 3D particles, based on the number of dimensions that can be independently controlled during the fabrication process. After discussing the advantages of the individual techniques, important applications of the fabricated particles are reviewed. Lastly, a future perspective is provided with potential directions to improve the throughput of particle fabrication, realize new particle shapes, measure particles in an automated manner, and adopt the 'lab on a particle' technologies to other areas of research.
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Affiliation(s)
- Mehmet Akif Sahin
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
| | - Helen Werner
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
| | - Shreya Udani
- Department of Bioengineering, University of California, Los Angeles, California 90095, USA.
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, California 90095, USA.
- Department of Mechanical and Aerospace Engineering, California NanoSystems Institute and Jonsson Comprehensive Cancer Center, University of California, Los Angeles, California 90095, USA
| | - Ghulam Destgeer
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
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8
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de Rutte J, Dimatteo R, Archang MM, van Zee M, Koo D, Lee S, Sharrow AC, Krohl PJ, Mellody M, Zhu S, Eichenbaum JV, Kizerwetter M, Udani S, Ha K, Willson RC, Bertozzi AL, Spangler J, Damoiseaux R, Di Carlo D. Suspendable Hydrogel Nanovials for Massively Parallel Single-Cell Functional Analysis and Sorting. ACS NANO 2022; 16:7242-7257. [PMID: 35324146 PMCID: PMC9869715 DOI: 10.1021/acsnano.1c11420] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Techniques to analyze and sort single cells based on functional outputs, such as secreted products, have the potential to transform our understanding of cellular biology as well as accelerate the development of next-generation cell and antibody therapies. However, secreted molecules rapidly diffuse away from cells, and analysis of these products requires specialized equipment and expertise to compartmentalize individual cells and capture their secretions. Herein, we describe methods to fabricate hydrogel-based chemically functionalized microcontainers, which we call nanovials, and demonstrate their use for sorting single viable cells based on their secreted products at high-throughput using only commonly accessible laboratory infrastructure. These nanovials act as solid supports that facilitate attachment of a variety of adherent and suspension cell types, partition uniform aqueous compartments, and capture secreted proteins. Solutions can be exchanged around nanovials to perform fluorescence immunoassays on secreted proteins. Using this platform and commercial flow sorters, we demonstrate high-throughput screening of stably and transiently transfected producer cells based on relative IgG production. Chinese hamster ovary cells sorted based on IgG production regrew and maintained a high secretion phenotype over at least a week, yielding >40% increase in bulk IgG production rates. We also sorted hybridomas and B lymphocytes based on antigen-specific antibody production. Hybridoma cells secreting an antihen egg lysozyme antibody were recovered from background cells, enriching a population of ∼4% prevalence to >90% following sorting. Leveraging the high-speed sorting capabilities of standard sorters, we sorted >1 million events in <1 h. IgG secreting mouse B cells were also sorted and enriched based on antigen-specific binding. Successful sorting of antibody-secreting B cells combined with the ability to perform single-cell RT-PCR to recover sequence information suggests the potential to perform antibody discovery workflows. The reported nanovials can be easily stored and distributed among researchers, democratizing access to high-throughput functional cell screening.
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Affiliation(s)
- Joseph de Rutte
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Partillion Bioscience Corporation, Los Angeles, CA 90095, USA
| | - Robert Dimatteo
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
| | - Maani M. Archang
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Mark van Zee
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Doyeon Koo
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Sohyung Lee
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
| | - Allison C. Sharrow
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | - Patrick J. Krohl
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Michael Mellody
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | - Sheldon Zhu
- Partillion Bioscience Corporation, Los Angeles, CA 90095, USA
| | - James V. Eichenbaum
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Monika Kizerwetter
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Shreya Udani
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Kyung Ha
- Department of Mathematics, University of California, Los Angeles, CA 90095, USA
| | - Richard C. Willson
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204, USA
| | - Andrea L. Bertozzi
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA
- Department of Mathematics, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | - Jamie Spangler
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21231, USA
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21231, USA
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Robert Damoiseaux
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA
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9
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Zhang H, Lu M, Xiong Z, Yang J, Tan M, Huang L, Zhu X, Lu Z, Liang Z, Liu H. Rapid trapping and tagging of microparticles in controlled flow by in situ digital projection lithography. LAB ON A CHIP 2022; 22:1951-1961. [PMID: 35377378 DOI: 10.1039/d2lc00186a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Real-time and fast trapping and tagging of microfeatures, such as microparticles and cells, are of great significance for biomedical research. In this work, we propose a novel in situ digital projection lithography technology that integrates real-time, in situ generation of digital masks for particle processing and fluid control into conventional DMD-based projection lithography. With the help of image recognition technology, we rapidly resolve the information of the microparticle profile or channel location, combining the selection of existing masks of different shapes, thus enabling in situ generation of user-customized micro-trap arrays and microfilter arrays for particle trapping and tagging. The success in trapping and filtering single particles, particle arrays, and cells has indicated the promising prospects of this novel technology for broad applications in microfluidics, single-cell analysis, and early-stage disease diagnostics.
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Affiliation(s)
- Han Zhang
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Meiying Lu
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Zheng Xiong
- Department of Biomedical Engineering and Chemical Engineering, Syracuse University, Syracuse, New York 13244, USA
| | - Jing Yang
- Key Laboratory of Molecular Epigenetics Ministry of Education, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China
| | - Mingyue Tan
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Long Huang
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Xiaojuan Zhu
- Key Laboratory of Molecular Epigenetics Ministry of Education, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China
| | - Zifeng Lu
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Zhongzhu Liang
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
| | - Hua Liu
- Center for Advanced Optoelectronic Functional Materials Research, and, Key Laboratory for UV Emitting Materials and Technology of Ministry of Education, National Demonstration Center for Experimental Physics Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China.
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10
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de Rutte J, Dimatteo R, Zhu S, Archang MM, Di Carlo D. Sorting single-cell microcarriers using commercial flow cytometers. SLAS Technol 2022; 27:150-159. [PMID: 35058209 PMCID: PMC9018595 DOI: 10.1016/j.slast.2021.10.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The scale of biological discovery is driven by the vessels in which we can perform assays and analyze results, from multi-well plates to microfluidic compartments. We report on the compatibility of sub-nanoliter single-cell containers or "nanovials" with commercial fluorescence activated cell sorters (FACS). This recent lab on a particle approach utilizes 3D structured microparticles to isolate cells and perform single-cell assays at scale with existing lab equipment. Use of flow cytometry led to detection of fluorescently labeled protein with dynamic ranges spanning 2-3 log and detection limits down to ∼10,000 molecules per nanovial, which was the lowest amount tested. Detection limits were improved compared to fluorescence microscopy measurements using a 20X objective and a cooled CMOS camera. Nanovials with diameters between 35-85 µm could also be sorted with purity from 99-93% on different commercial instruments at throughputs up to 800 events/second. Cell-loaded nanovials were found to have unique forward and side (or back) scatter signatures that enabled gating of cell-containing nanovials using scatter metrics alone. The compatibility of nanovials with widely-available commercial FACS instruments promises to democratize single-cell assays used in discovery of antibodies and cell therapies, by enabling analysis of single cells based on secreted products and leveraging the unmatched analytical capabilities of flow cytometers to sort important clones.
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Affiliation(s)
- Joseph de Rutte
- Department of Bioengineering, University of California, Los Angeles, United States; Partillion Bioscience Corporation, Los Angeles, CA, United States.
| | - Robert Dimatteo
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, United States
| | - Sheldon Zhu
- Partillion Bioscience Corporation, Los Angeles, CA, United States
| | - Maani M Archang
- Department of Bioengineering, University of California, Los Angeles, United States
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, United States; Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, United States; California NanoSystems Institute, University of California, Los Angeles, United States; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, United States
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11
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High-throughput selection of cells based on accumulated growth and division using PicoShell particles. Proc Natl Acad Sci U S A 2022; 119:2109430119. [PMID: 35046027 PMCID: PMC8794849 DOI: 10.1073/pnas.2109430119] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2021] [Indexed: 01/19/2023] Open
Abstract
Production of high-energy lipids by microalgae may provide a sustainable energy source that can help tackle climate change. However, microalgae engineered to produce more lipids usually grow slowly, leading to reduced overall yields. Unfortunately, culture vessels used to select cells based on growth while maintaining high biomass production, such as well plates, water-in-oil droplet emulsions, and nanowell arrays, do not provide production-relevant environments that cells experience in scaled-up cultures (e.g., bioreactors or outdoor cultivation farms). As a result, strains that are developed in the laboratory may not exhibit the same beneficial phenotypic behavior when transferred to industrial production. Here, we introduce PicoShells, picoliter-scale porous hydrogel compartments, that enable >100,000 individual cells to be compartmentalized, cultured in production-relevant environments, and selected based on growth and bioproduct accumulation traits using standard flow cytometers. PicoShells consist of a hollow inner cavity where cells are encapsulated and a porous outer shell that allows for continuous solution exchange with the external environment. PicoShells allow for cell growth directly in culture environments, such as shaking flasks and bioreactors. We experimentally demonstrate that Chlorella sp., Saccharomyces cerevisiae, and Chinese hamster ovary cells, used for bioproduction, grow to significantly larger colony sizes in PicoShells than in water-in-oil droplet emulsions (P < 0.05). We also demonstrate that PicoShells containing faster dividing and growing Chlorella clonal colonies can be selected using a fluorescence-activated cell sorter and regrown. Using the PicoShell process, we select a Chlorella population that accumulates chlorophyll 8% faster than does an unselected population after a single selection cycle.
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12
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Miwa H, Dimatteo R, de Rutte J, Ghosh R, Di Carlo D. Single-cell sorting based on secreted products for functionally defined cell therapies. MICROSYSTEMS & NANOENGINEERING 2022; 8:84. [PMID: 35874174 PMCID: PMC9303846 DOI: 10.1038/s41378-022-00422-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 05/18/2022] [Accepted: 06/13/2022] [Indexed: 05/13/2023]
Abstract
Cell therapies have emerged as a promising new class of "living" therapeutics over the last decade and have been particularly successful for treating hematological malignancies. Increasingly, cellular therapeutics are being developed with the aim of treating almost any disease, from solid tumors and autoimmune disorders to fibrosis, neurodegenerative disorders and even aging itself. However, their therapeutic potential has remained limited due to the fundamental differences in how molecular and cellular therapies function. While the structure of a molecular therapeutic is directly linked to biological function, cells with the same genetic blueprint can have vastly different functional properties (e.g., secretion, proliferation, cell killing, migration). Although there exists a vast array of analytical and preparative separation approaches for molecules, the functional differences among cells are exacerbated by a lack of functional potency-based sorting approaches. In this context, we describe the need for next-generation single-cell profiling microtechnologies that allow the direct evaluation and sorting of single cells based on functional properties, with a focus on secreted molecules, which are critical for the in vivo efficacy of current cell therapies. We first define three critical processes for single-cell secretion-based profiling technology: (1) partitioning individual cells into uniform compartments; (2) accumulating secretions and labeling via reporter molecules; and (3) measuring the signal associated with the reporter and, if sorting, triggering a sorting event based on these reporter signals. We summarize recent academic and commercial technologies for functional single-cell analysis in addition to sorting and industrial applications of these technologies. These approaches fall into three categories: microchamber, microfluidic droplet, and lab-on-a-particle technologies. Finally, we outline a number of unmet needs in terms of the discovery, design and manufacturing of cellular therapeutics and how the next generation of single-cell functional screening technologies could allow the realization of robust cellular therapeutics for all patients.
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Affiliation(s)
- Hiromi Miwa
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
| | - Robert Dimatteo
- Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
| | - Joseph de Rutte
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
- Partillion Bioscience, Los Angeles, CA 90095 USA
| | - Rajesh Ghosh
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
- Department of Mechanical and Aerospace Engineering, University of California - Los Angeles, Los Angeles, CA 90095 USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, CA 90095 USA
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13
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Ozcelik A, Aslan Z. A simple acoustofluidic device for on-chip fabrication of PLGA nanoparticles. BIOMICROFLUIDICS 2022; 16:014103. [PMID: 35154554 PMCID: PMC8816518 DOI: 10.1063/5.0081769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/24/2022] [Indexed: 05/03/2023]
Abstract
Miniaturization of systems and processes provides numerous benefits in terms of cost, reproducibility, precision, minimized consumption of chemical reagents, and prevention of contamination. The field of microfluidics successfully finds a place in a plethora of applications, including on-chip nanoparticle synthesis. Compared with the bulk approaches, on-chip methods that are enabled by microfluidic devices offer better control of size and uniformity of fabricated nanoparticles. However, these microfluidic devices generally require complex and expensive fabrication facilities that are not readily available in low-resourced laboratories. Here, a low-cost and simple acoustic device is demonstrated by generating acoustic streaming flows inside glass capillaries through exciting different flexural modes. At distinct frequencies, the flexural modes of the capillary result in different oscillation profiles that can insert harmonic forcing into the fluid. We explored these flexural modes and identified the modes that can generate strong acoustic streaming vortices along the glass capillary. Then, we applied these modes for fluid mixing using an easy-to-fabricate acoustofluidic device architecture. This device is applied in the fabrication of poly(d,l-lactide-co-glycolide) (PLGA) nanoparticles. The acoustic device consists of a thin glass capillary and two polydimethylsiloxane adaptors that are formed using three-dimensional printed molds. By controlling the flow rates of the polymer and water solutions, PLGA nanoparticles with diameters between 65 and 96 nm are achieved with polydispersity index values ranging between 0.08 and 0.18. Owing to its simple design and minimal fabrication requirements, the proposed acoustofluidic mixer can be applied for microfluidic fluid mixing applications in limited resource settings.
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Affiliation(s)
- Adem Ozcelik
- Author to whom correspondence should be addressed:
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14
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Wang Y, Shah V, Lu A, Pachler E, Cheng B, Di Carlo D. Counting of enzymatically amplified affinity reactions in hydrogel particle-templated drops. LAB ON A CHIP 2021; 21:3438-3448. [PMID: 34378611 PMCID: PMC11288628 DOI: 10.1039/d1lc00344e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Counting of numerous compartmentalized enzymatic reactions underlies quantitative and high sensitivity immunodiagnostic assays. However, digital enzyme-linked immunosorbent assays (ELISA) require specialized instruments which have slowed adoption in research and clinical labs. We present a lab-on-a-particle solution to digital counting of thousands of single enzymatic reactions. Hydrogel particles are used to bind enzymes and template the formation of droplets that compartmentalize reactions with simple pipetting steps. These hydrogel particles can be made at a high throughput, stored, and used during the assay to create ∼500 000 compartments within 2 minutes. These particles can also be dried and rehydrated with sample, amplifying the sensitivity of the assay by driving affinity interactions on the hydrogel surface. We demonstrate digital counting of β-galactosidase enzyme at a femtomolar detection limit with a dynamic range of 3 orders of magnitude using standard benchtop equipment and experiment techniques. This approach can faciliate the development of digital ELISAs with reduced need for specialized microfluidic devices, instruments, or imaging systems.
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Affiliation(s)
- Yilian Wang
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
| | - Vishwesh Shah
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
| | - Angela Lu
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
| | - Ella Pachler
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
| | - Brian Cheng
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, CA, USA.
- Department of Mechanical and Aerospace Engineering, California NanoSystems Institute, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA
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15
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Du RS, Liu L, Ng S, Sambandam S, Hernandez Adame B, Perez H, Ha K, Falcon C, de Rutte J, Di Carlo D, Bertozzi AL. Statistical energy minimization theory for systems of drop-carrier particles. Phys Rev E 2021; 104:015109. [PMID: 34412304 DOI: 10.1103/physreve.104.015109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 06/04/2021] [Indexed: 11/07/2022]
Abstract
Drop-carrier particles (DCPs) are solid microparticles designed to capture uniform microscale drops of a target solution without using costly microfluidic equipment and techniques. DCPs are useful for automated and high-throughput biological assays and reactions, as well as single-cell analyses. Surface energy minimization provides a theoretical prediction for the volume distribution in pairwise droplet splitting, showing good agreement with macroscale experiments. We develop a probabilistic pairwise interaction model for a system of such DCPs exchanging fluid volume to minimize surface energy. This leads to a theory for the number of pairwise interactions of DCPs needed to reach a uniform volume distribution. Heterogeneous mixtures of DCPs with different sized particles require fewer interactions to reach a minimum energy distribution for the system. We optimize the DCP geometry for minimal required target solution and uniformity in droplet volume.
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Affiliation(s)
- Ryan Shijie Du
- Department of Mathematics, University of California, Los Angeles, California, USA
| | - Lily Liu
- Department of Mathematics, University of Chicago, Chicago, Illinois, USA
| | - Simon Ng
- Department of Bioengineering, University of California, Los Angeles, California, USA
| | - Sneha Sambandam
- Department of Mathematics, University of California, Los Angeles, California, USA
| | | | - Hansell Perez
- Department of Mathematics, University of California, Merced, California, USA
| | - Kyung Ha
- Department of Mathematics, University of California, Los Angeles, California, USA
| | - Claudia Falcon
- Department of Mathematics, University of California, Los Angeles, California, USA
| | - Joseph de Rutte
- Department of Bioengineering, University of California, Los Angeles, California, USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, California, USA.,Department of Mechanical Engineering, University of California, Los Angeles, California, USA
| | - Andrea L Bertozzi
- Department of Mathematics, University of California, Los Angeles, California, USA.,Department of Mechanical Engineering, University of California, Los Angeles, California, USA
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16
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Shi N, Mohibullah M, Easley CJ. Active Flow Control and Dynamic Analysis in Droplet Microfluidics. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2021; 14:133-153. [PMID: 33979546 PMCID: PMC8956363 DOI: 10.1146/annurev-anchem-122120-042627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Droplet-based microfluidics has emerged as an important subfield within the microfluidic and general analytical communities. Indeed, several unique applications such as digital assay readout and single-cell sequencing now have commercial systems based on droplet microfluidics. Yet there remains room for this research area to grow. To date, most analytical readouts are optical in nature, relatively few studies have integrated sample preparation, and passive means for droplet formation and manipulation have dominated the field. Analytical scientists continue to expand capabilities by developing droplet-compatible method adaptations, for example, by interfacing to mass spectrometers or automating droplet sampling for temporally resolved analysis. In this review, we highlight recently developed fluidic control techniques and unique integrations of analytical methodology with droplet microfluidics-focusing on automation and the connections to analog/digital domains-and we conclude by offering a perspective on current challenges and future applications.
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Affiliation(s)
- Nan Shi
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, USA;
| | - Md Mohibullah
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, USA;
| | - Christopher J Easley
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, USA;
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17
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Park C, Bae HJ, Yoon J, Song SW, Jeong Y, Kim K, Kwon S, Park W. Gradient-Wrinkled Microparticle with Grayscale Lithography Controlling the Cross-Linking Densities for High Security Level Anti-Counterfeiting Strategies. ACS OMEGA 2021; 6:2121-2126. [PMID: 33521451 PMCID: PMC7841948 DOI: 10.1021/acsomega.0c05207] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 12/15/2020] [Indexed: 05/05/2023]
Abstract
Physical unclonable functions (PUFs) enable different characteristics according to the purpose, such as easy to access identification, high security level, and high code capacity, against counterfeiting a product. However, most multiplex approaches have been implemented by embedding several security features rather than one feature. In this paper, we present a high security level anti-counterfeiting strategy using only labyrinth wrinkle patterns with different complexities, which can be used as unique and unclonable codes. To generate codes with different levels in a microtaggant, we fabricated wrinkle patterns with characteristic wavelength gradients using grayscale lithography. The elastic modulus of the polymer substrate and corresponding wavelength after the wrinkling process were controlled by designing the gray level of each subcode region in a gray-level mask image for photopolymerization of the microparticle substrate. We then verified the uniqueness of the extracted minutia codes through a cross-correlation analysis. Finally, we demonstrated the authentication strategies by decoding different minutia codes according to the scanning resolution during the decoding. Overall, the presented patterning method can be widely used in security code generation.
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Affiliation(s)
- Cheolheon Park
- Institute
for Wearable Convergence Electronics, Department of Electronic Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Hyung Jong Bae
- Department
of Electrical and Computer Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jinsik Yoon
- Institute
for Wearable Convergence Electronics, Department of Electronic Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Seo Woo Song
- Bio-MAX
Institute, Seoul National University, Seoul 08826, Republic of Korea
| | - Yunjin Jeong
- Bio-MAX
Institute, Seoul National University, Seoul 08826, Republic of Korea
| | - Kibeom Kim
- Institute
for Wearable Convergence Electronics, Department of Electronic Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Sunghoon Kwon
- Department
of Electrical and Computer Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
- Bio-MAX
Institute, Seoul National University, Seoul 08826, Republic of Korea
| | - Wook Park
- Institute
for Wearable Convergence Electronics, Department of Electronic Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
- Department
of Electronics and Information Convergence Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
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18
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Destgeer G, Ouyang M, Di Carlo D. Engineering Design of Concentric Amphiphilic Microparticles for Spontaneous Formation of Picoliter to Nanoliter Droplet Volumes. Anal Chem 2021; 93:2317-2326. [DOI: 10.1021/acs.analchem.0c04184] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Ghulam Destgeer
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Mengxing Ouyang
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, California 90095, United States
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19
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Ouyang M, Tu D, Tong L, Sarwar M, Bhimaraj A, Li C, Coté GL, Di Carlo D. A review of biosensor technologies for blood biomarkers toward monitoring cardiovascular diseases at the point-of-care. Biosens Bioelectron 2021; 171:112621. [PMID: 33120234 DOI: 10.1016/j.bios.2020.112621] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 09/06/2020] [Accepted: 09/14/2020] [Indexed: 01/03/2023]
Abstract
Cardiovascular diseases (CVDs) cause significant mortality globally. Notably, CVDs disproportionately negatively impact underserved populations, such as those that are economically disadvantaged and often located in remote regions. Devices to measure cardiac biomarkers have traditionally been focused on large instruments in a central laboratory but the development of affordable, portable devices that measure multiple cardiac biomarkers at the point-of-care (POC) are needed to improve clinical outcomes for patients, especially in underserved populations. Considering the enormity of the global CVD problem, complexity of CVDs, and the large candidate pool of biomarkers, it is of great interest to evaluate and compare biomarker performance and identify potential multiplexed panels that can be used in combination with affordable and robust biosensors at the POC toward improved patient care. This review focuses on describing the known and emerging CVD biosensing technologies for analysis of cardiac biomarkers from blood. Initially, the global burden of CVDs and the standard of care for the primary CVD categories, namely heart failure (HF) and acute coronary syndrome (ACS) including myocardial infarction (MI) are discussed. The latest United States, Canadian and European society guidelines recommended standalone, emerging, and add-on cardiac biomarkers, as well as their combinations are then described for the prognosis, diagnosis, and risk stratification of CVDs. Finally, both commercial in vitro biosensing devices and recent state-of-art techniques for detection of cardiac biomarkers are reviewed that leverage single and multiplexed panels of cardiac biomarkers with a view toward affordable, compact devices with excellent performance for POC diagnosis and monitoring.
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Affiliation(s)
- Mengxing Ouyang
- Department of Bioengineering, University of California, Los Angeles, 420 Westwood Plaza, Los Angeles, CA, 90095, USA
| | - Dandan Tu
- Department of Biomedical Engineering, Texas A&M University, 400 Bizzell St, College Station, TX, 77843, USA
| | - Lin Tong
- Nanobioengineering/Bioelectronics Lab, Department of Biomedical Engineering, Florida International University, 10555 West Flagler Street, Miami, FL, 33174, USA
| | - Mehenur Sarwar
- Nanobioengineering/Bioelectronics Lab, Department of Biomedical Engineering, Florida International University, 10555 West Flagler Street, Miami, FL, 33174, USA
| | - Arvind Bhimaraj
- Department of Cardiology, Houston Methodist J.C. Walter Transplant Center, Houston Methodist Hospital, 6550 Fannin St., Houston, TX, 77030, USA
| | - Chenzhong Li
- Nanobioengineering/Bioelectronics Lab, Department of Biomedical Engineering, Florida International University, 10555 West Flagler Street, Miami, FL, 33174, USA.
| | - Gerard L Coté
- Department of Biomedical Engineering, Texas A&M University, 400 Bizzell St, College Station, TX, 77843, USA; Center for Remote Health Technologies & Systems, Texas A&M Engineering Experiment Station, 101 Bizzell St, College Station, TX, 77840, USA.
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, 420 Westwood Plaza, Los Angeles, CA, 90095, USA.
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