1
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Kuba M, Pohl R, Kraus T, Hocek M. Nucleotides Bearing Red Viscosity-Sensitive Dimethoxy-Bodipy Fluorophore for Enzymatic Incorporation and DNA Labeling. Bioconjug Chem 2023; 34:133-139. [PMID: 36519639 DOI: 10.1021/acs.bioconjchem.2c00547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nucleosides and 2'-deoxyribonucleoside triphosphates (dNTPs) bearing 3,3'-dimethoxy-2,2'-diphenyl-6-(4-hydroxyphenyl)-bodipy fluorophore attached through a propargyl or propargyl-triethylene glycol linker to position 5 of 2'-deoxycytidine were designed and synthesized. They exerted bright red fluorescence and good sensitivity to viscosity changing their lifetime from 1.6 to 4.5 ns. The modifed dNTPs were substrates for DNA polymerases and were used in enzymatic synthesis of labeled DNA through primer extension. The modified DNA probes served as viscosity sensors responding to protein binding by changes of lifetime. The nucleotide with longer linker (dCpegMOBTP) was transported to live cells and incorporated into the genomic DNA, which can be useful for staining of DNA and imaging of DNA synthesis.
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Affiliation(s)
- Miroslav Kuba
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16000 Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, CZ-12843 Prague 2, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16000 Prague 6, Czech Republic
| | - Tomáš Kraus
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16000 Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16000 Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, CZ-12843 Prague 2, Czech Republic
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2
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Cui H, Fang J, Sun M, Liu Z, Li Z, Liu K, Liu M. Color-changing Fluorescent DNA Probe Containing Solvatochromic Dansyl-nucleoside Surrogate for Sensing Local Variation of DNA Duplex. Bioorg Med Chem Lett 2022; 59:128551. [DOI: 10.1016/j.bmcl.2022.128551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/06/2022] [Accepted: 01/12/2022] [Indexed: 11/27/2022]
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3
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Ravi Kumara GS, Seo YJ. Polymerase-mediated synthesis of p-vinylaniline-coupled fluorescent DNA for the sensing of nucleolin protein- c-myc G-quadruplex interactions. Org Biomol Chem 2021; 19:5788-5793. [PMID: 34085078 DOI: 10.1039/d1ob00863c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this paper we report the synthesis of two deoxyuridine derivatives (dUCN2, dUPy)-featuring p-vinylaniline-based fluorophores linked through a propargyl unit at the 5' position-that function as molecular rotors. This probing system proved to be useful for the sensing of gene regulation arising from interactions between this G-quadruplex and nucleolin.
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Affiliation(s)
| | - Young Jun Seo
- Department of Chemistry, Jeonbuk National University, Jeonju 54896, South Korea.
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4
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Güixens-Gallardo P, Hocek M. Acetophenyl-thienyl-aniline-Linked Nucleotide for Construction of Solvatochromic Fluorescence Light-Up DNA Probes Sensing Protein-DNA Interactions. Chemistry 2021; 27:7090-7093. [PMID: 33769635 DOI: 10.1002/chem.202100575] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Indexed: 12/20/2022]
Abstract
The synthesis of 2'-deoxycytidine and its 5'-O-triphosphate bearing solvatochromic acetophenyl-thienyl-aniline fluorophore was developed using the Sonogashira cross-coupling reaction as the key step. The triphosphate was used for polymerase synthesis of labelled DNA. The labelled nucleotide or DNA exerted weak red fluorescence when excited at 405 nm, but a significant colour change (to yellow or green) and light-up (up to 20 times) was observed when the DNA probes interacted with proteins or lipids.
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Affiliation(s)
- Pedro Güixens-Gallardo
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16000, Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843, Prague 2, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16000, Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843, Prague 2, Czech Republic
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5
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Ito Y, Hayashi H, Fuchi Y, Hari Y. Post-synthetic modification of oligonucleotides containing 5-mono- and 5-di-fluoromethyluridines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Kong J, Wang Y, Qi W, Huang M, Su R, He Z. Green fluorescent protein inspired fluorophores. Adv Colloid Interface Sci 2020; 285:102286. [PMID: 33164780 DOI: 10.1016/j.cis.2020.102286] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 10/11/2020] [Accepted: 10/12/2020] [Indexed: 12/20/2022]
Abstract
Green fluorescence proteins (GFP) are appealing to a variety of biomedical and biotechnology applications, such as protein fusion, subcellular localizations, cell visualization, protein-protein interaction, and genetically encoded sensors. To mimic the fluorescence of GFP, various compounds, such as GFP chromophores analogs, hydrogen bond-rich proteins, and aromatic peptidyl nanostructures that preclude free rotation of the aryl-alkene bond, have been developed to adapt them for a fantastic range of applications. Herein, we firstly summarize the structure and luminescent mechanism of GFP. Based on this, the design strategy, fluorescent properties, and the advanced applications of GFP-inspired fluorophores are then carefully discussed. The diverse advantages of bioinspired fluorophores, such as biocompatibility, structural simplicity, and capacity to form a variety of functional nanostructures, endow them potential candidates as the next-generation bio-organic optical materials.
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7
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Kuba M, Kraus T, Pohl R, Hocek M. Nucleotide-Bearing Benzylidene-Tetrahydroxanthylium Near-IR Fluorophore for Sensing DNA Replication, Secondary Structures and Interactions. Chemistry 2020; 26:11950-11954. [PMID: 32633433 PMCID: PMC7361531 DOI: 10.1002/chem.202003192] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Indexed: 12/16/2022]
Abstract
Thymidine triphosphate bearing benzylidene‐tetrahydroxanthylium near‐IR fluorophore linked to the 5‐methyl group via triazole was synthesized through the CuAAC reaction and was used for polymerase synthesis of labelled DNA probes. The fluorophore lights up upon incorporation to DNA (up to 348‐times) presumably due to interactions in major groove and the fluorescence further increases in the single‐stranded oligonucleotide. The labelled dsDNA senses binding of small molecules and proteins by a strong decrease of fluorescence. The nucleotide was used as a light‐up building block in real‐time PCR for detection of SARS‐CoV‐2 virus.
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Affiliation(s)
- Miroslav Kuba
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610, Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843, Prague 2, Czech Republic
| | - Tomáš Kraus
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610, Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610, Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610, Prague 6, Czech Republic.,Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843, Prague 2, Czech Republic
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8
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Saady A, Wojtyniak M, Varon E, Böttner V, Kinor N, Shav-Tal Y, Ducho C, Fischer B. Specific, Sensitive, and Quantitative Detection of HER-2 mRNA Breast Cancer Marker by Fluorescent Light-Up Hybridization Probes. Bioconjug Chem 2020; 31:1188-1198. [DOI: 10.1021/acs.bioconjchem.0c00130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Abed Saady
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Melissa Wojtyniak
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, 66123 Saarbrücken, Germany
| | - Eli Varon
- Faculty of Life Sciences & Institute of Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Verena Böttner
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, 66123 Saarbrücken, Germany
| | - Noa Kinor
- Faculty of Life Sciences & Institute of Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Yaron Shav-Tal
- Faculty of Life Sciences & Institute of Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Christian Ducho
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, 66123 Saarbrücken, Germany
| | - Bilha Fischer
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
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9
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Saady A, Steinman NY, Wojtyniak M, Ducho C, Fischer B. Synthesis of 2'-Deoxyuridine Modified with a 3,5-Difluoro-4-Methoxybenzylidene Imidazolinone Derivative for Incorporation into Oligonucleotide Probes for Detection of HER2 Breast Cancer Marker. ACTA ACUST UNITED AC 2020; 80:e104. [PMID: 32032480 DOI: 10.1002/cpnc.104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nucleoside intercalator conjugates (NICs) describe an innovative methodology developed in our research group for preparation of fluorescence turn-on DNA hybridization probes targeting specific mRNA sequences (e.g., breast cancer markers). In this methodology, we conjugate a non-fluorescent intercalator to the base of a nucleic acid (e.g., uracil) via a flexible spacer. This modified monomer can be incorporated into oligonucleotides by solid-phase synthesis and a large fluorescence enhancement is observed when the modified oligonucleotide is hybridized with its complementary strand due to intercalation of the fluorophore between the two strands. 5-(6-p-Methoxybenzylidene imidazolinone-1-hexene)-2'-deoxyuridine (dUMBI ) is a synthetic monomer to which 4-methoxybenzylidene imidazolinone (MBI), the fluorescent chromophore of green fluorescent protein (GFP), has been conjugated via a flexible spacer. The detection of human epidermal growth factor receptor 2 (HER2) mRNA by this probe has already been established by our group. The fluorescent intensity of the single-strand DNA can be considered as negligible due to the free rotation of the fluorophore. Upon hybridization, however, the flexible spacer allows for the intercalation of the fluorophore between the hybridized strands, giving rise to enhanced fluorescence and indicating the presence of target mRNA. 3,5-Difluoro-4-methoxybenzylidene (DFMBI) has enhanced photophysical properties compared to MBI fluorophore. This protocol describes a simple, reliable, efficient, and general method for the synthesis of improved derivative dUDFMBI as a monomer of fluorescent turn-on DNA hybridization probe with application for detection of HER2 mRNA. © 2020 by John Wiley & Sons, Inc. Basic Protocol: Synthesis of 5-[(6)-3,5-difluoro-4-methoxybenzylidene imidazolinone-1-hexene]-2'-deoxyuridine.
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Affiliation(s)
- Abed Saady
- Department of Chemistry, Bar-Ilan University, Ramat-Gan, Israel
| | - Noam Y Steinman
- Institute of Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Melissa Wojtyniak
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Christian Ducho
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Bilha Fischer
- Department of Chemistry, Bar-Ilan University, Ramat-Gan, Israel
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10
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Güixens-Gallardo P, Humpolickova J, Miclea SP, Pohl R, Kraus T, Jurkiewicz P, Hof M, Hocek M. Thiophene-linked tetramethylbodipy-labeled nucleotide for viscosity-sensitive oligonucleotide probes of hybridization and protein-DNA interactions. Org Biomol Chem 2020; 18:912-919. [PMID: 31919486 DOI: 10.1039/c9ob02634g] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Cytosine 2'-deoxyribonucleoside dCTBdp and its triphosphate (dCTBdpTP) bearing tetramethylated thiophene-bodipy fluorophore attached at position 5 were designed and synthesized. The green fluorescent nucleoside dCTBdp showed a perfect dependence of fluorescence lifetime on the viscosity. The modified triphosphate dCTBdpTP was substrate to several DNA polymerases and was used for in vitro enzymatic synthesis of labeled oligonucleotides (ONs) or DNA by primer extension. The labeled single-stranded ONs showed a significant decrease in mean fluorescence lifetime when hybridized to the complementary strand of DNA or RNA and were also sensitive to mismatches. The labeled dsDNA sensed protein binding (p53), which resulted in the increase of its fluorescence lifetime. The triphosphate dCTBdpTP was transported to live cells where its interactions could be detected by FLIM but it did not show incorporation to genomic DNA in cellulo.
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Affiliation(s)
- Pedro Güixens-Gallardo
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic. and Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, CZ-12843 Prague 2, Czech Republic
| | - Jana Humpolickova
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic.
| | - Sebastian Paul Miclea
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic.
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic.
| | - Tomáš Kraus
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic.
| | - Piotr Jurkiewicz
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 3, 18223 Prague 8, Czech Republic
| | - Martin Hof
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 3, 18223 Prague 8, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic. and Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, CZ-12843 Prague 2, Czech Republic
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11
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Kanamori T, Masaki Y, Oda Y, Ohzeki H, Ohkubo A, Sekine M, Seio K. DNA triplex-based fluorescence turn-on sensors for adenosine using a fluorescent molecular rotor 5-(3-methylbenzofuran-2-yl) deoxyuridine. Org Biomol Chem 2019; 17:2077-2080. [DOI: 10.1039/c8ob02747a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescence turn-on detection of adenosine based on microenvironmental and conformational changes of a fluorescent molecular rotor in the DNA triplex is reported.
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Affiliation(s)
- Takashi Kanamori
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Yoshiaki Masaki
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Yuki Oda
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Hiroki Ohzeki
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Akihiro Ohkubo
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Mitsuo Sekine
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Kohji Seio
- Department of Life Science
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
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12
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Kuba M, Pohl R, Hocek M. Synthesis of 2′-deoxycytidine and its triphosphate bearing tryptophan-based imidazolinone fluorophore for environment sensitive fluorescent labelling of DNA. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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13
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14
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Seio K, Kanamori T, Masaki Y. Synthesis of Fluorescent Nucleic Acids bearing Nucleobases Modified with Heteroaryl Group and Fluorophores. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kohji Seio
- Department of Life Science and Technology, Tokyo Institute of Technology
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15
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Ikejiri M, Kojima H, Fugono Y, Fujisaka A, Chihara Y, Miyashita K. Synthesis and properties of geometrical 4-diarylmethylene analogs of the green fluorescent protein chromophore. Org Biomol Chem 2018; 16:2397-2401. [DOI: 10.1039/c8ob00208h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The E- and Z-isomers of E/Z-photoisomerizable diarylmethylene analogs of the GFP chromophore (geo-DAIN) produce different colors of aggregation-induced emission (AIE).
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Affiliation(s)
| | - Haruka Kojima
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
| | - Yuumi Fugono
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
| | - Aki Fujisaka
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
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16
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Ikejiri M, Mori K, Miyagi R, Konishi R, Chihara Y, Miyashita K. A hybrid molecule of a GFP chromophore analogue and cholestene as a viscosity-dependent and cholesterol-responsive fluorescent sensor. Org Biomol Chem 2017; 15:6948-6958. [DOI: 10.1039/c7ob01522d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diarylmethylenated and cholestene-hybrid analogues of the GFP chromophore showed viscosity-dependent and cholesterol-responsive fluorescent properties.
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Affiliation(s)
| | - Kenta Mori
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
| | - Rina Miyagi
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
| | - Rino Konishi
- Faculty of Pharmacy
- Osaka Ohtani University
- Tondabayashi
- Japan
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