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Kawagishi H, Funano SI, Tanaka Y, Xu Y. Flexible Glass-Based Hybrid Nanofluidic Device to Enable the Active Regulation of Single-Molecule Flows. NANO LETTERS 2023; 23:2210-2218. [PMID: 36879391 PMCID: PMC10804405 DOI: 10.1021/acs.nanolett.2c04807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 02/22/2023] [Indexed: 06/18/2023]
Abstract
Single-molecule studies offer deep insights into the essence of chemistry, biology, and materials science. Despite significant advances in single-molecule experiments, the precise regulation of the flow of single small molecules remains a formidable challenge. Herein, we present a flexible glass-based hybrid nanofluidic device that can precisely block, open, and direct the flow of single small molecules in nanochannels. Additionally, this approach allows for real-time tracking of regulated single small molecules in nanofluidic conditions. Therefore, the dynamic behaviors of single small molecules confined in different nanofluidic conditions with varied spatial restrictions are clarified. Our device and approach provide a nanofluidic platform and mechanism that enable single-molecule studies and applications in actively regulated fluidic conditions, thus opening avenues for understanding the original behavior of individual molecules in their natural forms and the development of single-molecule regulated chemical and biological processes in the future.
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Affiliation(s)
- Hiroto Kawagishi
- Department
of Chemical Engineering, Graduate School of Engineering, Osaka Metropolitan University, 1-2, Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Shun-ichi Funano
- Center
for Biosystems Dynamics Research, RIKEN, 1-3 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yo Tanaka
- Center
for Biosystems Dynamics Research, RIKEN, 1-3 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yan Xu
- Department
of Chemical Engineering, Graduate School of Engineering, Osaka Metropolitan University, 1-2, Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
- Japan
Science and Technology Agency (JST), PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
- Japan
Science and Technology Agency (JST), CREST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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2
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Fan S, Takada T, Maruyama A, Fujitsuka M, Kawai K. Programmed Control of Fluorescence Blinking Patterns based on Electron Transfer in DNA. Chemistry 2023; 29:e202203552. [PMID: 36601797 DOI: 10.1002/chem.202203552] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
Fluorescence imaging uses changes in the fluorescence intensity and emission wavelength to analyze multiple targets simultaneously. To increase the number of targets that can be identified simultaneously, fluorescence blinking can be used as an additional parameter. To understand and eventually control blinking, we used DNA as a platform to elucidate the processes of electron transfer (ET) leading to blinking, down to the rate constants. With a fixed ET distance, various blinking patterns were observed depending on the DNA sequence between the donor and acceptor units of the DNA platform. The blinking pattern was successfully described with a combination of ET rate constants. Therefore, molecules with various blinking patterns can be developed by tuning ET. It is expected that the number of targets that can be analyzed simultaneously will increase by the power of the number of blinking patterns.
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Affiliation(s)
- Shuya Fan
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan
| | - Tadao Takada
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Atsushi Maruyama
- Department of Life Science and Technology, Tokyo Institute of Technology, 4259 B-57 Nagatsuta, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Mamoru Fujitsuka
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan
| | - Kiyohiko Kawai
- Department of Life Science and Technology, Tokyo Institute of Technology, 4259 B-57 Nagatsuta, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
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3
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Kikuchi K, Adair LD, Lin J, New EJ, Kaur A. Photochemical Mechanisms of Fluorophores Employed in Single-Molecule Localization Microscopy. Angew Chem Int Ed Engl 2023; 62:e202204745. [PMID: 36177530 PMCID: PMC10100239 DOI: 10.1002/anie.202204745] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Indexed: 02/02/2023]
Abstract
Decoding cellular processes requires visualization of the spatial distribution and dynamic interactions of biomolecules. It is therefore not surprising that innovations in imaging technologies have facilitated advances in biomedical research. The advent of super-resolution imaging technologies has empowered biomedical researchers with the ability to answer long-standing questions about cellular processes at an entirely new level. Fluorescent probes greatly enhance the specificity and resolution of super-resolution imaging experiments. Here, we introduce key super-resolution imaging technologies, with a brief discussion on single-molecule localization microscopy (SMLM). We evaluate the chemistry and photochemical mechanisms of fluorescent probes employed in SMLM. This Review provides guidance on the identification and adoption of fluorescent probes in single molecule localization microscopy to inspire the design of next-generation fluorescent probes amenable to single-molecule imaging.
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Affiliation(s)
- Kai Kikuchi
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Melbourne, VIC 305, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
| | - Liam D Adair
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia.,School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia.,Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
| | - Jiarun Lin
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia.,School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Elizabeth J New
- The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia.,School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia.,Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
| | - Amandeep Kaur
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Melbourne, VIC 305, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
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4
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Martin MI, Pati AK, Abeywickrama CS, Bar S, Kilic Z, Altman RB, Blanchard SC. Leveraging Baird aromaticity for advancement of bioimaging applications. J PHYS ORG CHEM 2023; 36:e4449. [PMID: 36590885 PMCID: PMC9799245 DOI: 10.1002/poc.4449] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 02/01/2023]
Abstract
In this perspective, we highlight the recent progress in utilizing Baird aromatic species to improve fluorophore performance in microscopy and imaging applications. We specifically focus on the origins of the use of Baird aromaticity in fluorescence applications, the development of “self‐healing” fluorophores leveraging cyclooctatetraene’ Baird aromaticity, and where developments need to occur to optimize this technology.
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Affiliation(s)
- Maxwell I. Martin
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
- Department of Chemical Biology & TherapeuticsSt. Jude Children's Research HospitalMemphisTNUSA
| | - Avik K. Pati
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
| | - Chathura S. Abeywickrama
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
- Department of Chemical Biology & TherapeuticsSt. Jude Children's Research HospitalMemphisTNUSA
| | - Sukanta Bar
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
- Department of Chemical Biology & TherapeuticsSt. Jude Children's Research HospitalMemphisTNUSA
| | - Zeliha Kilic
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
| | - Roger B. Altman
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
- Department of Chemical Biology & TherapeuticsSt. Jude Children's Research HospitalMemphisTNUSA
| | - Scott C. Blanchard
- Department of Structural BiologySt. Jude Children's Research HospitalMemphisTNUSA
- Department of Chemical Biology & TherapeuticsSt. Jude Children's Research HospitalMemphisTNUSA
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5
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Fan S, Takada T, Maruyama A, Fujitsuka M, Kawai K. Large Heterogeneity Observed in Single Molecule Measurements of Intramolecular Electron Transfer Rates through DNA. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Shuya Fan
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Tadao Takada
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Atsushi Maruyama
- Department of Life Science and Technology, Tokyo Institute of Technology, 4259 B-57 Nagatsuta, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Mamoru Fujitsuka
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Kiyohiko Kawai
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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6
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Electron-transfer kinetics through nucleic acids untangled by single-molecular fluorescence blinking. Chem 2022. [DOI: 10.1016/j.chempr.2022.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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Kawai K, Fujitsuka M. Single-molecule fluorescence kinetic sandwich assay using a DNA sequencer. CHEM LETT 2022. [DOI: 10.1246/cl.210726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kiyohiko Kawai
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
| | - Mamoru Fujitsuka
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
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8
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Takada T, Nishida K, Honda Y, Nakano A, Nakamura M, Fan S, Kawai K, Fujitsuka M, Yamana K. Stacked Thiazole Orange Dyes in DNA Capable of Switching Emissive Behavior in Response to Structural Transitions. Chembiochem 2021; 22:2729-2735. [PMID: 34191388 DOI: 10.1002/cbic.202100309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Indexed: 12/20/2022]
Abstract
Functional nucleic acids with the capability of generating fluorescence in response to hybridization events, microenvironment or structural changes are valuable as structural probes and chemical sensors. We now demonstrate the enzyme-assisted preparation of nucleic acids possessing multiple thiazole orange (TO) dyes and their fluorescent behavior, that show a spectral change from the typical monomer emission to the excimer-type red-shifted emission. We found that the fluorescent response and emission wavelength of the TO dyes were dependent on both the state of the DNA structure (single- or double-stranded DNA) and the arrangement of the TO dyes. We showed that the fluorescent behavior of the TO dyes can be applied for the detection of RNA molecules, suggesting that our approach for preparing the fluorescent nucleic acids functionalized with multiple TO dyes could be useful to design a fluorescence bioimaging and detection technique of biomolecules.
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Affiliation(s)
- Tadao Takada
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Koma Nishida
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Yurika Honda
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Aoi Nakano
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Mitsunobu Nakamura
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
| | - Shuya Fan
- The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan
| | - Kiyohiko Kawai
- The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan
| | - Mamoru Fujitsuka
- The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan
| | - Kazushige Yamana
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2280, Japan
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