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Zhao X, Xu Y, Chen Z, Tang C, Mi X. Encoding fluorescence intensity with tetrahedron DNA nanostructure based FRET effect for bio-detection. Biosens Bioelectron 2024; 248:115994. [PMID: 38181517 DOI: 10.1016/j.bios.2023.115994] [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: 07/26/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
Biocoding technology constructed by readable tags with distinct signatures is a brand-new bioanalysis method to realize multiplexed identification and bio-information decoding. In this study, a novel fluorescence intensity coding technology termed Tetra-FICT was reported based on tetrahedron DNA nanostructure (TDN) carrier and Főrster Resonance Energy Transfer (FRET) effect. By modulating numbers and distances of Cy3 and Cy5 at four vertexes of TDN, different fluorescence intensities of twenty-six samples were produced at ∼565.0 nm (FICy3) and ∼665.0 nm (FICy5) by detecting fluorescence spectra. By developing an error correction mechanism, eleven codes were established based on divided intensity ranges of the final FICy3 together with FICy5 (Final-FICy3&FICy5). These resulting codes were used to construct barcode probes, with three miRNA biomarkers (miRNA-210, miRNA-199a and miRNA-21) as cases for multiplexed bio-assay. The high specificity and sensitivity were also demonstrated for the detection of miRNA-210. Overall, the proposed Tetra-FICT enriched the toolbox of fluorescence coding, which could be applied to multiplexing biomarkers detection.
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Affiliation(s)
- Xiaoshuang Zhao
- National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; School of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China; University of Chinese Academy of Science, Beijing, 100049, China
| | - Yi Xu
- National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, 201210, China
| | - Ziting Chen
- National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; University of Chinese Academy of Science, Beijing, 100049, China
| | - Chengren Tang
- National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; University of Chinese Academy of Science, Beijing, 100049, China
| | - Xianqiang Mi
- National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, 201210, China; School of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China; University of Chinese Academy of Science, Beijing, 100049, China.
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Wulandari DA, Tsuru K, Minamihata K, Wakabayashi R, Goto M, Kamiya N. A Functional Hydrogel Bead-Based High-Throughput Screening System for Mammalian Cells with Enhanced Secretion of Therapeutic Antibodies. ACS Biomater Sci Eng 2024; 10:628-636. [PMID: 38048166 DOI: 10.1021/acsbiomaterials.3c01386] [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] [Indexed: 12/06/2023]
Abstract
Droplet-based high-throughput screening systems are an emerging technology that provides a quick test to screen millions of cells with distinctive characteristics. Biopharmaceuticals, specifically therapeutic proteins, are produced by culturing cells that secrete heterologous recombinant proteins with different populations and expression levels; therefore, a technology to discriminate cells that produce more target proteins is needed. Here, we present a droplet-based microfluidic strategy for encapsulating, screening, and selecting target cells with redox-responsive hydrogel beads (HBs). As a proof-of-concept study, we demonstrate the enrichment of hybridoma cells with enhanced capability of antibody secretion using horseradish peroxidase (HRP)-catalyzed hydrogelation of tetra-thiolate poly(ethylene glycol); hybridoma cells were encapsulated in disulfide-bonded HBs. Recombinant protein G or protein M with a C-terminal cysteine residue was installed in the HBs via disulfide bonding to capture antibodies secreted from the cells. HBs were fluorescently stained by adding the protein L-HRP conjugate using a tyramide signal amplification system. HBs were then separated by fluorescence-activated droplet sorting and degraded by reducing the disulfide bonds to recover the target cells. Finally, we succeeded in the selection of hybridoma cells with enhanced antibody secretion, indicating the potential of this system in the therapeutic protein production.
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Affiliation(s)
- Diah Anggraini Wulandari
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kyosuke Tsuru
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Rie Wakabayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Division of Biotechnology, Centre for Future Chemistry, Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Division of Biotechnology, Centre for Future Chemistry, Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
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Alpsoy L, Sedeky AS, Rehbein U, Thedieck K, Brandstetter T, Rühe J. Particle ID: A Multiplexed Hydrogel Bead Platform for Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55346-55357. [PMID: 37982803 DOI: 10.1021/acsami.3c12122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
We present a new platform based on hydrogel beads for multiplex analysis that can be fabricated, barcoded, and functionalized in a single step using a simple microfluidic assembly and a photo-cross-linking process. The beads are generated in a two-phase flow fluidic system and photo-cross-linking of the polymer in the aqueous phase by C,H insertion cross-linking (CHic). The size and shape of the hydrogel particles can be controlled over a wide range by fluidic parameters. During the fabrication of the beads, they are barcoded by using physical and optical barcoding strategies. Magnetic beads and fluorescent particles, which allow identification of the production batch number, are added simultaneously as desired, resulting in complex, multifunctional beads in a one-step reaction. As an example of biofunctionalization, Borrelia antigens were immobilized on the beads. Serum samples that originated from infected and non-infected patients could be clearly distinguished, and the sensitivity was as good as or even better than ELISA, the state of the art in clinical diagnostics. The ease of the one-step production process and the wide range of barcoding parameters offer strong advantages for multiplexed analytics in the life sciences and medical diagnostics.
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Affiliation(s)
- Lokman Alpsoy
- Department of Microsystems Engineering (IMTEK), Chemistry & Physics of Interfaces, University of Freiburg, Freiburg im Breisgau 79110, Germany
- livMatS@FIT (Freiburg Center for Interactive Materials and Bioinspired Technologies), University of Freiburg, Freiburg 79110, Germany
| | - Abanoub Selim Sedeky
- Department of Microsystems Engineering (IMTEK), Chemistry & Physics of Interfaces, University of Freiburg, Freiburg im Breisgau 79110, Germany
| | - Ulrike Rehbein
- Institute of Biochemistry, Center of Chemistry and Biomedicine, University of Innsbruck, 6020 Innsbruck, Austria
| | - Kathrin Thedieck
- Institute of Biochemistry, Center of Chemistry and Biomedicine, University of Innsbruck, 6020 Innsbruck, Austria
- Freiburg Materials Research Center FMF, Albert-Ludwigs-University of Freiburg, 79104 Freiburg, Germany
- Department of Pediatrics, Section Systems Medicine of Metabolism and Signaling, University of Groningen, University Medical Center Groningen, Groningen 9700 RB, The Netherlands
| | - Thomas Brandstetter
- Department of Microsystems Engineering (IMTEK), Chemistry & Physics of Interfaces, University of Freiburg, Freiburg im Breisgau 79110, Germany
| | - Jürgen Rühe
- Department of Microsystems Engineering (IMTEK), Chemistry & Physics of Interfaces, University of Freiburg, Freiburg im Breisgau 79110, Germany
- livMatS@FIT (Freiburg Center for Interactive Materials and Bioinspired Technologies), University of Freiburg, Freiburg 79110, Germany
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Huang W, Cheng Y, Zhai J, Qin Y, Zhang W, Xie X. Expanded single-color barcoding in microspheres with fluorescence anisotropy for multiplexed biochemical detection. Analyst 2023; 148:4406-4413. [PMID: 37552039 DOI: 10.1039/d3an00938f] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Single-color barcoding strategies could break the limits of spectral crosstalk in conventional intensity-based fluorescence barcodes. Fluorescence anisotropy (FA), a self-referencing quantity able to differentiate spectrally similar fluorophores, is highly attractive in designing fluorescent barcodes within a limited emission window. In this study, FA-based encoding of polystyrene (PS) microspheres was realized for the first time. The FA signals of fluorophores were stabilized inside PS microspheres owing to hampered rotational motion. Fluorescent labels were incorporated with similar emission but different structures, symmetries, and lifetimes. On the one hand, Förster Resonance Energy Transfer (FRET) including homo-FRET and hetero-FRET resulted in a decrease of steady-state FA with increasing dye loading, converting conventional intensity-based codes into FA-based codes. On the other hand, mixing dyes with different intrinsic FA values generated different FA values at the same fluorescence intensity level. Single color 5-plex FA-encoded microspheres were demonstrated and decoded on a homemade microscopic FA imaging platform in real time. The FA-encoded microspheres were successfully applied to detect the oligonucleotide of the foodborne bacterium, Bacillus cereus, without spectral crosstalk between the encoding and reporting dyes. Overall, FA-based encoding with an expanded coding capacity in the FA dimension holds great potential in multiplexed high-throughput chemical and biological analyses.
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Affiliation(s)
- Wenyu Huang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Yu Cheng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Jingying Zhai
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yuemin Qin
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Weian Zhang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Xiaojiang Xie
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
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Anwar A, Mur M, Humar M. Microcavity- and Microlaser-Based Optical Barcoding: A Review of Encoding Techniques and Applications. ACS PHOTONICS 2023; 10:1202-1224. [PMID: 37215324 PMCID: PMC10197175 DOI: 10.1021/acsphotonics.2c01611] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Indexed: 05/24/2023]
Abstract
Optical microbarcodes have recently received a great deal of interest because of their suitability for a wide range of applications, such as multiplexed assays, cell tagging and tracking, anticounterfeiting, and product labeling. Spectral barcodes are especially promising because they are robust and have a simple readout. In addition, microcavity- and microlaser-based barcodes have very narrow spectra and therefore have the potential to generate millions of unique barcodes. This review begins with a discussion of the different types of barcodes and then focuses specifically on microcavity-based barcodes. While almost any kind of optical microcavity can be used for barcoding, currently whispering-gallery microcavities (in the form of spheres and disks), nanowire lasers, Fabry-Pérot lasers, random lasers, and distributed feedback lasers are the most frequently employed for this purpose. In microcavity-based barcodes, the information is encoded in various ways in the properties of the emitted light, most frequently in the spectrum. The barcode is dependent on the properties of the microcavity, such as the size, shape, and the gain materials. Various applications of these barcodes, including cell tracking, anticounterfeiting, and product labeling are described. Finally, the future prospects for microcavity- and microlaser-based barcodes are discussed.
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Affiliation(s)
- Abdur
Rehman Anwar
- Department
of Condensed Matter Physics, J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Maruša Mur
- Department
of Condensed Matter Physics, J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Matjaž Humar
- Department
of Condensed Matter Physics, J. Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
- CENN
Nanocenter, Jamova 39, SI-1000 Ljubljana, Slovenia
- Faculty
of Mathematics and Physics, University of
Ljubljana, Jadranska
19, SI-1000 Ljubljana, Slovenia
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