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Yoshida K, Kajiwara M, Okazaki Y, Véronique L, Zinna F, Sojic N, Bouffier L, Lacour J, Ravaine V, Oda R. Modulation of circularly polarized luminescence by swelling of microgels functionalized with enantiopure [Ru(bpy) 3] 2+ luminophores. Chem Commun (Camb) 2024; 60:1743-1746. [PMID: 38240695 DOI: 10.1039/d3cc04391f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Chemoresponsive microgels functionalized with enantiomeric Δ- or Λ-[Ru(bpy)3]2+ showed tunable chiroptical properties upon swelling and shrinking. The tuning is triggered by a modulation of the local mobility of [Ru(bpy)3]2+ upon addition of fructose, controlling interactions and distances between [Ru(bpy)3]2+ and phenylboronic acid.
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Affiliation(s)
- Kyohei Yoshida
- CNRS, Université de Bordeaux, Bordeaux INP, CBMN, UMR 5248, 33607, Pessac, France.
- Kumamoto Industrial Research Institute, Materials Development Department, Kumamoto, JP 862-0901, Japan
| | - Maino Kajiwara
- Department of Applied Chemistry and Biochemistry, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Yutaka Okazaki
- Graduate School of Energy Science 3, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Lapeyre Véronique
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400 Talence, France
| | - Francesco Zinna
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa Via Moruzzi 13, 56124 PISA, Italy
| | - Neso Sojic
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400 Talence, France
| | - Laurent Bouffier
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400 Talence, France
| | - Jérôme Lacour
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
| | - Valérie Ravaine
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400 Talence, France
| | - Reiko Oda
- CNRS, Université de Bordeaux, Bordeaux INP, CBMN, UMR 5248, 33607, Pessac, France.
- WPI-Advanced Institute for Materials Research, Tohoku University, Katahira, Aoba-Ku, 980-8577 Sendai, Japan
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Yoshida K, Kuwahara Y, Hano N, Horie Y, Takafuji M, Ryu N, Nagaoka S, Oda R, Ihara H. Chiral H-aggregation-induced large stokes shift with CPL generation assisted by α-helical poly(L-lysine) substructure. Chirality 2023. [PMID: 36943171 DOI: 10.1002/chir.23553] [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: 11/03/2022] [Revised: 02/14/2023] [Accepted: 02/19/2023] [Indexed: 03/23/2023]
Abstract
Fluorescent materials with large Stokes shifts have significant potential for use in optical applications. Typically, a synthetic design strategy is utilized for this purpose. In this study, we demonstrated a novel method by binding a chiral template to a nonchiral fluorescent agent without chemical modification. Specifically, α-helical poly(L-lysine) was employed as the chiral template, which interacted with a disulfonic fluorescent dye, such as NK2751. The dye caused excimer luminescence by inducing the formation of a chirally H-aggregated dimer only when poly(L-lysine) was in an α-helical shape. The result was a Stokes shift of 230 nm. Similar effects were not observed when the chiral template was in a random coil condition and the Stokes shift was less than 40 nm. These findings imply that H-aggregated dimerization, which often results in quenching, permits the electronic transitions necessary for fluorescence events by the formation of the chirally twisted state. In addition, we introduce for the first time the generation of circularly polarized luminescence using the chirality induction phenomena in a dye supported by poly(L-lysine).
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Affiliation(s)
- Kyohei Yoshida
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
- Kumamoto Industrial Research Institute, Kumamoto, Japan
| | - Yutaka Kuwahara
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
| | - Nanami Hano
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
- University of Bordeaux, CNRS, Bordeaux INP, CBMN, Pessac, France
| | - Yumi Horie
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
| | - Makoto Takafuji
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
| | - Naoya Ryu
- Kumamoto Industrial Research Institute, Kumamoto, Japan
| | - Shoji Nagaoka
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
- Kumamoto Industrial Research Institute, Kumamoto, Japan
| | - Reiko Oda
- University of Bordeaux, CNRS, Bordeaux INP, CBMN, Pessac, France
| | - Hirotaka Ihara
- Department of Applied Chemistry and Biochemistry, Kumamoto University, Kumamoto, Japan
- Okinawa College, National Institute of Technology, Okinawa, Japan
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Wang HX, Xu L, Zhu X, Xue C, Zhang L, Liu M. Dissymmetrical tails-regulated helical nanoarchitectonics of amphiphilic ornithines: nanotubes, bundles and twists. NANOSCALE 2022; 14:1001-1007. [PMID: 35024717 DOI: 10.1039/d1nr07538a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
How dissymmetrical tails (i.e. tails of different lengths) in one lipid molecule exert an impact on the structure and properties of the resulting assembly is an intriguing issue in both biological and material senses. However, the underlying mechanism that engenders such phenomena is still obscure, which prompted us to unmask it by exploring the self-assembly behaviours of artificial building blocks comprising dissymmetrical tails. Here, a series of Fmoc-protected ornithine lipids with dissymmetrical alkyl tails was designed and the dissymmetry of the two tails was found to hierarchically tune the self-assembled nanostructures from nanotubes to bundles and nanotwists. With the Fmoc-headgroup employed as a chromophorous probe, it was revealed that the alkyl chain dissymmetry controlled the interacting modes of van der Waals interactions between alkyl tails, π-π stacking between Fmoc motifs and hydrogen bonding formed by the three amide bonds in lipid bilayers. The counterbalance between those noncovalent interactions was responsible for such remarkable tuning ability towards self-assembly and emissive behaviours of the lipids, including circularly polarized light emission. This work provides insight into dissymmetrical tails-regulated biological structures and functions of natural lipids, and also sets up a novel strategy of rationally modulating chiral and emissive properties of supramolecular materials, i.e., tunable CPL materials, by exploitation of the tail dissymmetry.
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Affiliation(s)
- Han-Xiao Wang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
| | - Lifei Xu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
| | - Chenlu Xue
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Li Zhang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Chang Y, Dong C, Zhou D, Li A, Dong W, Cao XZ, Wang G. Fabrication and Elastic Properties of TiO 2 Nanohelix Arrays through a Pressure-Induced Hydrothermal Method. ACS NANO 2021; 15:14174-14184. [PMID: 34498858 DOI: 10.1021/acsnano.0c10901] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
TiO2 nanohelices (NHs) have attracted extensive attention owing to their high aspect ratio, excellent flexibility, elasticity, and optical properties, which endow promising performances in a vast range of vital fields, such as optics, electronics, and micro/nanodevices. However, preparing rigid TiO2 nanowires (TiO2 NWs) into spatially anisotropic helical structures remains a challenge. Here, a pressure-induced hydrothermal strategy was designed to assemble individual TiO2 NWs into a DNA-like helical structure, in which a Teflon block was placed in an autoclave liner to regulate system pressure and simulate a cell-rich environment. The synthesized TiO2 NHs of 50 nm in diameter and 5-7 mm in length approximately were intertwined into nanohelix bundles (TiO2 NHBs) with a diameter of 20 μm and then assembled into vertical TiO2 nanohelix arrays (NHAs). Theoretical calculations further confirmed that straight TiO2 NWs prefer to convert into helical conformations with minimal entropy (S) and free energy (F) for continuous growth in a confined space. The excellent elastic properties exhibit great potential for applications in flexible devices or buffer materials.
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Affiliation(s)
- Yueqi Chang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
- Shunde Graduate School of University of Science and Technology Beijing, Foshan 528399, People's Republic of China
| | - Cheng Dong
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, People's Republic of China
| | - Dongxue Zhou
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
- Shunde Graduate School of University of Science and Technology Beijing, Foshan 528399, People's Republic of China
| | - Ang Li
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, People's Republic of China
| | - Wenjun Dong
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
- Shunde Graduate School of University of Science and Technology Beijing, Foshan 528399, People's Republic of China
| | - Xue-Zheng Cao
- Department of Physics, Xiamen University, Xiamen 361005, People's Republic of China
| | - Ge Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
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