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Kataoka K, Nakabayashi K, Lo CT, Mori H. Threonine-Based Stimuli-Responsive Nanoparticles with Aggregation-Induced Emission-Type Fixed Cores for Detection of Amines in Aqueous Solutions. Polymers (Basel) 2022; 14:1362. [PMID: 35406233 PMCID: PMC9002686 DOI: 10.3390/polym14071362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 11/16/2022] Open
Abstract
Stimuli-responsive polymeric nanoparticles (NPs) exhibit reversible changes in the dispersion or aggregation state in response to external stimuli. In this context, we designed and synthesized core-shell NPs with threonine-containing weak polyelectrolyte shells and fluorescent cross-linked cores, which are applicable for the detection of pH changes and amine compounds in aqueous solution. Stable and uniform NP(dTh) and NP(Fl), consisting of fluorescent symmetric diphenyl dithiophene (dTh) and diphenyl fluorene (Fl) cross-linked cores, were prepared by site-selective Suzuki coupling reactions in self-assembled block copolymer. NP(Fl) with the Fl unit in the core showed a high fluorescence intensity in different solvents, which is regarded as an aggregation-induced emission-type NP showing strong emission in aggregated states in the cross-linked core. Unimodal NPs were observed in water at different pH values, and the diameter of NP(Fl) changed from 122 (pH = 2) to 220 nm (pH = 11). Furthermore, pH-dependent changes of the fluorescence peak positions and intensities were detected, which may be due to the core aggregation derived from the deprotonation of the threonine-based shell fragment. Specific interactions between the threonine-based shell of NP(Fl) and amine compounds (triethylamine and p-phenylenediamine) resulted in fluorescence quenching, suggesting the feasibility of fluorescent amine detection.
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Affiliation(s)
- Keita Kataoka
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16 Jonan, Yonezawa 992-8510, Japan; (K.K.); (K.N.); (C.-T.L.)
| | - Kazuhiro Nakabayashi
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16 Jonan, Yonezawa 992-8510, Japan; (K.K.); (K.N.); (C.-T.L.)
| | - Chen-Tsyr Lo
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16 Jonan, Yonezawa 992-8510, Japan; (K.K.); (K.N.); (C.-T.L.)
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, 70 Lienhai Road, Kaohsiung 80424, Taiwan
| | - Hideharu Mori
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16 Jonan, Yonezawa 992-8510, Japan; (K.K.); (K.N.); (C.-T.L.)
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Kanto R, Yonenuma R, Yamamoto M, Furusawa H, Yano S, Haruki M, Mori H. Mixed Polyplex Micelles with Thermoresponsive and Lysine-Based Zwitterionic Shells Derived from Two Poly(vinyl amine)-Based Block Copolymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:3001-3014. [PMID: 33650430 DOI: 10.1021/acs.langmuir.0c02197] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Two series of poly(vinyl amine) (PVAm)-based block copolymers with zwitterionic and thermoresponsive segments were synthesized by the reversible addition-fragmentation chain transfer polymerization. A mixture of the two copolymers, poly(N-acryloyl-l-lysine) (PALysOH) and poly(N-isopropylacrylamide) (PNIPAM), which have the same cationic PVAm chain but different shell-forming segments, were used to prepare mixed polyplex micelles with DNA. Both PVAm-b-PALysOH and PVAm-b-PNIPAM showed low cytotoxicity, with characteristic assembled structures and stimuli-responsive properties. The cationic PVAm segment in both block copolymers showed site-specific interactions with DNA, which were evaluated by dynamic light scattering, zeta potential, circular dichroism, agarose gel electrophoresis, atomic force microscopy, and transmission electron microscopy measurements. The PVAm-b-PNIPAM/DNA polyplexes showed the characteristic temperature-induced formation of assembled structures in which the polyplex size, surface charge, chiroptical property of DNA, and polymer-DNA binding were governed by the nitrogen/phosphate (N/P) ratio. The DNA binding strength and colloidal stability of the PVAm-b-PALysOH/DNA polyplexes could be tuned by introducing an appropriate amount of zwitterionic PALysOH functionality, while maintaining the polyplex size, surface charge, and chiroptical property, regardless of the N/P ratio. The mixed polyplex micelles showed temperature-induced stability originating from the hydrophobic (dehydrated) PNIPAM chains upon heating, and remarkable stability under salty conditions owing to the presence of the zwitterionic PALysOH chain on the polyplex surface.
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Affiliation(s)
- Ryosuke Kanto
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Japan
| | - Ryo Yonenuma
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Japan
| | - Mizuki Yamamoto
- Department of Chemical Biology and Applied Chemistry, College of Engineering, Nihon University, 1 Nakagawara, Tokusada, Tamuramachi, Koriyama, Fukushima 963-8642, Japan
| | - Hiroyuki Furusawa
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Japan
| | - Shigekazu Yano
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Japan
| | - Mitsuru Haruki
- Department of Chemical Biology and Applied Chemistry, College of Engineering, Nihon University, 1 Nakagawara, Tokusada, Tamuramachi, Koriyama, Fukushima 963-8642, Japan
| | - Hideharu Mori
- Graduate School of Organic Materials Science, Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Japan
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Furukawa M, Nakabayashi K, Mori H. Aggregation‐induced
multicolor luminescent nanoparticles with adaptive and fixed cores derived from brominated
tetraphenylethene‐containing
block copolymer. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20200886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Masaki Furukawa
- Graduate School of Organic Materials Science Yamagata University Yonezawa Japan
| | | | - Hideharu Mori
- Graduate School of Organic Materials Science Yamagata University Yonezawa Japan
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Nakabayashi K, Takata M, Furukawa M, Mori H. Luminescent core–shell nanoparticles with crosslinked aggregation‐induced emission core structures: Emission both in solution and solid states. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Mizuki Takata
- Graduate School of Organic Materials ScienceYamagata University Yonezawa Japan
| | - Masaki Furukawa
- Graduate School of Organic Materials ScienceYamagata University Yonezawa Japan
| | - Hideharu Mori
- Graduate School of Organic Materials ScienceYamagata University Yonezawa Japan
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5
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Kanto R, Qiao Y, Masuko K, Furusawa H, Yano S, Nakabayashi K, Mori H. Synthesis, Assembled Structures, and DNA Complexation of Thermoresponsive Lysine-Based Zwitterionic and Cationic Block Copolymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4646-4659. [PMID: 30845801 DOI: 10.1021/acs.langmuir.8b04303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A series of anionic, zwitterionic, and cationic lysine-based block copolymers with a thermoresponsive segment were synthesized by the reversible addition-fragmentation chain transfer (RAFT) polymerization of N-acryloyl- N-carbobenzoxy-l-lysine [A-Lys(Cbz)-OH], which contains a carboxylic acid and a protected amine-functionality in the monomer unit. Carboxylic acid-containing homopolymers, poly(A-Lys(Cbz)-OH), with predetermined molecular weights with relatively low polydispersities were initially synthesized by RAFT polymerization of A-Lys(Cbz)-OH. The chain extension of the dithiocarbamate-terminated poly(A-Lys(Cbz)-OH) to N-isopropylacrylamide (NIPAM) via the RAFT process and subsequent deprotection afforded the zwitterionic block copolymer composed of thermoresponsive poly(NIPAM) and poly(A-Lys-OH), which exhibited switchability among the zwitterionic, anionic, and cationic states by pH change. The assembled structures and thermoresponsive and chiroptical properties of these block copolymers were evaluated by dynamic light scattering, circular dichroism, and turbidity measurements. Finally, the cationic block copolymer, poly(A-Lys-OMe)- b-poly(NIPAM), was obtained by the methylation of the carboxylic acid group in the zwitterionic poly(A-Lys-OH) segment. Selective interactions of DNA with the cationic poly(A-Lys-OMe) segment in the lysine-based block copolymer were further evaluated by agarose gel electrophoresis and atomic force microscopy measurements, which revealed characteristic assembled structures and temperature-responsive properties of the polyplexes.
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Nakabayashi K, Takahashi T, Sugawara R, Lo CT, Mori H. Benzothiadiazole-based donor–acceptor nanoparticles with solvatochromic and thermoresponsive properties. REACT FUNCT POLYM 2018. [DOI: 10.1016/j.reactfunctpolym.2018.08.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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7
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Stiernet P, Dréan M, Jérôme C, Midoux P, Guégan P, Rieger J, Debuigne A. Tailor-Made Poly(vinylamine)s via Thermal or Photochemical Organometallic Mediated Radical Polymerization. ACS SYMPOSIUM SERIES 2018. [DOI: 10.1021/bk-2018-1284.ch017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Pierre Stiernet
- Center for Education and Research on Macromolecules (CERM), CESAM Research Unit, University of Liege (ULiege), Sart-Tilman, Allée de la Chimie 3, Bat. B6a, B-4000 Liège, Belgium
| | - Mathilde Dréan
- Center for Education and Research on Macromolecules (CERM), CESAM Research Unit, University of Liege (ULiege), Sart-Tilman, Allée de la Chimie 3, Bat. B6a, B-4000 Liège, Belgium
| | - Christine Jérôme
- Center for Education and Research on Macromolecules (CERM), CESAM Research Unit, University of Liege (ULiege), Sart-Tilman, Allée de la Chimie 3, Bat. B6a, B-4000 Liège, Belgium
| | - Patrick Midoux
- Centre Biophysique Moléculaire, UPR4301 CNRS, Rue Charles Sadron, 45071 Orléans Cedex 2, France
| | - Philippe Guégan
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 Place Jussieu, F-75005 Paris, France
| | - Jutta Rieger
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 Place Jussieu, F-75005 Paris, France
| | - Antoine Debuigne
- Center for Education and Research on Macromolecules (CERM), CESAM Research Unit, University of Liege (ULiege), Sart-Tilman, Allée de la Chimie 3, Bat. B6a, B-4000 Liège, Belgium
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Nakabayashi K, Takahashi T, Watanabe K, Lo CT, Mori H. Synthesis of sulfur-rich nanoparticles using self-assembly of amphiphilic block copolymer and a site-selective cross-linking reaction. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.08.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Abstract
Stimuli-responsive polymers respond to a variety of external stimuli, which include optical, electrical, thermal, mechanical, redox, pH, chemical, environmental and biological signals. This paper is concerned with the process of forming such polymers by RAFT polymerization.
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10
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Dréan M, Guégan P, Detrembleur C, Jérôme C, Rieger J, Debuigne A. Controlled Synthesis of Poly(vinylamine)-Based Copolymers by Organometallic-Mediated Radical Polymerization. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00992] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mathilde Dréan
- Center
for Education and Research on Macromolecules (CERM), Department of
Chemistry, University of Liege (ULg), Sart-Tilman, Allée de la
Chimie 3, Bat. B6a, B-4000 Liège, Belgium
- UPMC
Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire
(IPCM), UMR 8232, Team Chimie des Polymères (LCP), Sorbonne Universités, 4 Place Jussieu, F-75005 Paris, France
| | - Philippe Guégan
- UPMC
Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire
(IPCM), UMR 8232, Team Chimie des Polymères (LCP), Sorbonne Universités, 4 Place Jussieu, F-75005 Paris, France
| | - Christophe Detrembleur
- Center
for Education and Research on Macromolecules (CERM), Department of
Chemistry, University of Liege (ULg), Sart-Tilman, Allée de la
Chimie 3, Bat. B6a, B-4000 Liège, Belgium
| | - Christine Jérôme
- Center
for Education and Research on Macromolecules (CERM), Department of
Chemistry, University of Liege (ULg), Sart-Tilman, Allée de la
Chimie 3, Bat. B6a, B-4000 Liège, Belgium
| | - Jutta Rieger
- UPMC
Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire
(IPCM), UMR 8232, Team Chimie des Polymères (LCP), Sorbonne Universités, 4 Place Jussieu, F-75005 Paris, France
| | - Antoine Debuigne
- Center
for Education and Research on Macromolecules (CERM), Department of
Chemistry, University of Liege (ULg), Sart-Tilman, Allée de la
Chimie 3, Bat. B6a, B-4000 Liège, Belgium
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11
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Nakabayashi K, Noda D, Takahashi T, Mori H. Design of stimuli-responsive nanoparticles with optoelectronic cores by post-assembly cross-linking and self-assembly of functionalized block copolymers. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.01.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2022]
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12
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Liu HJ, Xu YY, Chen Y. Influence of sodium dodecyl sulfate on the phase transition of thermoresponsive hyperbranched polymer in water. CHINESE JOURNAL OF POLYMER SCIENCE 2016. [DOI: 10.1007/s10118-016-1779-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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