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Dobšíková K, Taušová T, Fagan P, Paškanová N, Kuchař M, Čejka J, Setnička V. Solid-state vibrational circular dichroism: Methodology and application for amphetamine derivatives. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 305:123486. [PMID: 37820493 DOI: 10.1016/j.saa.2023.123486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/22/2023] [Accepted: 10/01/2023] [Indexed: 10/13/2023]
Abstract
Amphetamine derivatives are considered most seized substances worldwide. In this study, solid-state vibrational circular dichroism (VCD) measurements of enantiomerically pure substances were performed for spectroscopic discrimination between (S)- and (R)-enantiomers. First, we have developed a universal experimental approach to obtain reliable and reproducible solid-state VCD spectra. First, the samples were prepared as pellets composed of mixtures of camphor as a model compound and a crystalline matrix powder. In order to obtain the best results without artifacts and with a maximum signal-to-noise ratio, the following experimental conditions were optimized: pellet thickness and diameter and sample rotation speed. The optimized parameters were then used for the analysis of amphetamine and its derivatives (methamphetamine and 3,4-methylendioxymethamphetamine). Our high-quality spectra and results suggest that solid-state VCD spectroscopy represents a cost-effective and easy-to-use method for the analysis of conformation changes and molecular packing in solid-state with potential applications in pharmaceutical and forensic practice.
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Affiliation(s)
- K Dobšíková
- Department of Analytical Chemistry, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic
| | - T Taušová
- Department of Analytical Chemistry, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic
| | - P Fagan
- Department of Analytical Chemistry, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic
| | - N Paškanová
- Forensic Laboratory of Biologically Active Substances, Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic
| | - M Kuchař
- Forensic Laboratory of Biologically Active Substances, Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic; Psychedelic Research Centre, National Institute of Mental Health, Topolová 748, Klecany 250 67, Czech Republic
| | - J Čejka
- Department of Solid State Chemistry, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic
| | - V Setnička
- Department of Analytical Chemistry, University of Chemistry and Technology, Technická 5, Prague 6 166 28, Czech Republic.
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Sato H, Aisawa S, Ida H, Shimizu M, Watanabe K, Koshoubu J, Yoshida J, Kawamura I. Two-dimensional Imaging of a Model Pharmaceutical Dosage Tablet Using a Scanning Vibrational Circular Dichroism System. CHEM LETT 2021. [DOI: 10.1246/cl.210635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hisako Sato
- Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Sumio Aisawa
- Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka, 020-8551, Japan
| | - Honoka Ida
- Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka, 020-8551, Japan
| | | | | | - Jun Koshoubu
- JASCO Corporation, Hachioji, Tokyo, 192-8537, Japan
| | - Jun Yoshida
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Setagaya-ku, Tokyo 156-8550, Japan
| | - Izuru Kawamura
- Graduate School of Engineering Science, Yokohama National University, Hodogaya-ku, Yokohama 240-8501, Japan
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Yamagishi A, Takimoto K, Tamura K, Sato F, Sato H. Chiral Discrimination of Dansylated Alanine Methyl Ester on a Modified Clay Surface: Vibrational Circular Dichroism Approach. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Akihiko Yamagishi
- Department of Medicine, Faculty of Medicine, Toho University, Ota-ku, Tokyo 143-8540, Japan
- Research Center for Functional Materials, National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan
| | - Kazuyoshi Takimoto
- Graduate School of Science and Engineering, Ehime University, Matsuyama, Ehime 790-8577, Japan
| | - Kenji Tamura
- Research Center for Functional Materials, National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan
| | - Fumi Sato
- Department of Medicine, Faculty of Medicine, Toho University, Ota-ku, Tokyo 143-8540, Japan
| | - Hisako Sato
- Graduate School of Science and Engineering, Ehime University, Matsuyama, Ehime 790-8577, Japan
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Sato H, Takimoto K, Yoshida J, Watanabe Y, Yamagishi A. Solid-state Vibrational Circular Dichroism as Applied for Heterogenous Asymmetric Catalysis: Copper(II) Complexes Immobilized in Montmorillonite. CHEM LETT 2021. [DOI: 10.1246/cl.200937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hisako Sato
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Kazuyoshi Takimoto
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Jun Yoshida
- Department of Chemistry, School of Science, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, Japan
| | - Yutaka Watanabe
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Akihiko Yamagishi
- Faculty of Medicine, Toho University, 5-21-16 Omori-Nishi, Ota-ku, Tokyo 143-8540, Japan
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Lin CW, Lin SX, Kankala RK, Busa P, Deng JP, Lue SI, Liu CL, Weng CF, Lee CH. Surface-functionalized layered double hydroxide nanocontainers as bile acid sequestrants for lowering hyperlipidemia. Int J Pharm 2020; 590:119921. [PMID: 33027632 DOI: 10.1016/j.ijpharm.2020.119921] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/03/2020] [Accepted: 09/22/2020] [Indexed: 01/01/2023]
Abstract
The surface modification of two-dimensional (2D) nanocontainers with versatile chemical functionalities offers enormous advantages in medicine owing to their altered physicochemical properties. In this study, we demonstrate the fabrication of surface-functionalized layered double hydroxides (LDHs) towards their use as effective intestinal bile acid sequestrants. To demonstrate these aspects, the LDHs are initially modified with an amino silane, N1-(3-trimethoxysilylpropyl) diethylenetriamine (LDHs-N3),which, on the one hand, subsequently used for the fabrication of the dendrimer by repetitive immobilization of ethylene diamine using methyl acrylate as a spacer. On the other hand, these surface-functionalized LDHs are wrapped with an anionic enteric co-polymer to not only prevent the degradation but also increase the stability of these 2D nanoplates in an acidic environment of the stomach to explore the in vivo efficacy. In vitro cholic acid adsorption results showed that these surface-functionalized LDHs displayed tremendous adsorption ability of bile salt. Consequently, the bile salt adsorption results in vivo in mice confirmed that the enteric polymer-coated diethylenetriamine silane-modified LDHs, resulting in the reduced cholesterol by 8.2% in the high fat diet-fed mice compared to that of the oil treatment group with augmented 28% of cholesterol, which gained weight by 6.7% in 4 weeks. Notably, the relative organ (liver and kidney) weight analysis and the tissue section of histology results indicated that the modified LDHs showed high biocompatibility in vivo. Together, our findings validate that these surface-functionalized 2D nanoplates have great potential as effective intestinal bile acid sequestrants.
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Affiliation(s)
- Chiao-Wen Lin
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Shi-Xiang Lin
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Ranjith Kumar Kankala
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan; College of Chemical Engineering, Huaqiao University, Xiamen 361021, PR China
| | - Prabhakar Busa
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Jin-Pei Deng
- Department of Chemistry, Tamkang University, New Taipei City 251, Taiwan
| | - Sheng-I Lue
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan; Department of Physiology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chen-Lun Liu
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Ching-Feng Weng
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan
| | - Chia-Hung Lee
- Department of Life Science, National Dong Hwa University, Hualien 97401, Taiwan.
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Solid-state vibrational circular dichroism studies on the conformation of an amino acid molecule in crystalline state. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140439. [DOI: 10.1016/j.bbapap.2020.140439] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/18/2020] [Accepted: 04/29/2020] [Indexed: 11/20/2022]
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Sato H. A new horizon for vibrational circular dichroism spectroscopy: a challenge for supramolecular chirality. Phys Chem Chem Phys 2020; 22:7671-7679. [DOI: 10.1039/d0cp00713g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The development of the solid state and time-step VCD methods opened a new horizon to reveal the mechanism of chirality amplification from microscopic to supramolecular scales.
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Affiliation(s)
- Hisako Sato
- Department of Chemistry
- Graduate School of Science and Engineering
- Ehime University
- Matsuyama 790-8577
- Japan
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