1
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Li C, He T, Yang X, Feng C, Zhang Z, Zhu J, Dong S, Shi Y, Wei Z, Jiao H, Zhang Y, Liu H, Wang Z, Cheng X. Enhanced Circular Dichroism for Achiral Sensing Based on a DNA-Origami-Empowered Anapole Metasurface. NANO LETTERS 2024; 24:9451-9458. [PMID: 38976602 DOI: 10.1021/acs.nanolett.4c01735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Circular dichroism (CD) spectroscopy has been extensively utilized for detecting and distinguishing the chirality of diverse substances and structures. However, CD spectroscopy is inherently weak and conventionally associated with chiral sensing, thus constraining its range of applications. Here, we report a DNA-origami-empowered metasurface sensing platform through the collaborative effect of metasurfaces and DNA origami, enabling achiral/slightly chiral sensing with high sensitivity via the enhanced ΔCD. An anapole metasurface, boasting over 60 times the average optical chirality enhancement, was elaborately designed to synergize with reconfigurable DNA origami. We experimentally demonstrated the detection of achiral/slightly chiral DNA linker strands via the enhanced ΔCD of the proposed platform, whose sensitivity was a 10-fold enhancement compared with the platform without metasurfaces. Our work presents a high-sensitivity platform for achiral/slightly chiral sensing through chiral spectroscopy, expanding the capabilities of chiral spectroscopy and inspiring the integration of multifunctional artificial nanostructures across diverse domains.
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Affiliation(s)
- Chengfeng Li
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Tao He
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Xu Yang
- School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China
| | - Chao Feng
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Zhanyi Zhang
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Jingyuan Zhu
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Siyu Dong
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Yuzhi Shi
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Zeyong Wei
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Hongfei Jiao
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Yinan Zhang
- School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China
| | - Huajie Liu
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China
| | - Zhanshan Wang
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
| | - Xinbin Cheng
- Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
- MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China
- Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China
- Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China
- Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China
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Cananà S, De Nardi F, Blangetti M, Parisotto S, Prandi C. Biocatalysis in Non-Conventional Media: Unlocking the Potential for Sustainable Chiral Amine Synthesis. Chemistry 2024:e202304364. [PMID: 38965045 DOI: 10.1002/chem.202304364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 07/04/2024] [Accepted: 07/04/2024] [Indexed: 07/06/2024]
Abstract
The application of biocatalysis has become essential in both academic and industrial domains for the asymmetric synthesis of chiral amines, and it serves as an alternative tool to transition-metal catalysis and complements traditional chemical methods. It relies on the swift expansion of available processes, primarily as a result of advanced tools for enzyme discovery, combined with high-throughput laboratory evolution techniques for optimizing biocatalysts. This concept paper explores the utilization of non-conventional media such as ether-type solvents, deep eutectic solvents, and micellar catalysis to enhance biocatalytic reactions for chiral amine synthesis. Each section focuses on the unique properties of these media, including their ability to stabilize enzymes, alter substrate solubility, and modulate enzyme selectivity. The paper aims to provide insights into how these innovative media can overcome traditional limitations, offering new avenues for sustainable and efficient chiral amine production through biocatalytic processes.
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Affiliation(s)
- Stefania Cananà
- Dipartimento di Chimica, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
- Scuola Universitaria Superiore I.U.S.S. Pavia, Piazza Vittoria 15, 27100, Pavia, Italy
| | - Federica De Nardi
- Dipartimento di Chimica, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
| | - Marco Blangetti
- Dipartimento di Chimica, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
| | - Stefano Parisotto
- Dipartimento di Chimica, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
| | - Cristina Prandi
- Dipartimento di Chimica, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
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3
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He J, Li Z, Li R, Kou X, Liu D, Zhang W. Bimetallic Ru/Ru-Catalyzed Asymmetric One-Pot Sequential Hydrogenations for the Stereodivergent Synthesis of Chiral Lactones. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2400621. [PMID: 38509867 PMCID: PMC11187880 DOI: 10.1002/advs.202400621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 02/23/2024] [Indexed: 03/22/2024]
Abstract
Asymmetric sequential hydrogenations of α-methylene γ- or δ-keto carboxylic acids are established in one-pot using a bimetallic Ru/Ru catalyst system, achieving the stereodivergent synthesis of all four stereoisomers of both chiral γ- and δ-lactones with two non-vicinal carbon stereocenters in high yields (up to 99%) and with excellent stereoselectivities (up to >99% ee and >20:1 dr). The compatibility of the two chiral Ru catalyst systems is investigated in detail, and it is found that the basicity of the reaction system plays a key role in the sequential hydrogenation processes. The protocol can be performed on a gram-scale with a low catalyst loading (up to 11000 S/C) and the resulting products allow for many transformations, particularly for the synthesis of several key intermediates useful for the preparation of chiral drugs and natural products.
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Affiliation(s)
- Jingli He
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Zhaodi Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Ruhui Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Xuezhen Kou
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Delong Liu
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
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4
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Amin KF. Greenness-sustainability metrics for assessment smart-chemometric spectrophotometric strategy for evaluation of the combination of six gastric proton-pump inhibitors with two selected impurities. MethodsX 2024; 12:102670. [PMID: 38577411 PMCID: PMC10993182 DOI: 10.1016/j.mex.2024.102670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/21/2024] [Indexed: 04/06/2024] Open
Abstract
Green analytical approaches are employed for the determination of active pharmaceutical ingredients, in conjunction with their impurities. Smart chemometric spectrophotometric techniques, including orthogonal partial least square (OPLS), variable selection such as genetic algorithm (GA-OPLS), and interval selection (i-OPLS), were utilized. These chemometric models were implemented for assessing six proton-pump inhibitors Omeprazole, Esomeprazole, Lansoprazole, Pantoprazole, Rabeprazole, and Dexlansoprazole along with two selected official impurities, namely 4-Desmethoxy omeprazole impurity and Rabeprazole-impurity B. Experimental design was implemented to separate impurities, in the process of multivariate calibration, a five-level eight-factor calibration design consisting of 25 samples was selected. This design was deliberately selected to guarantee that the components were mutually orthogonal to assess the model's performance and reliability, a separate validation set of 15 samples was constructed. The best-performing of the proposed techniques were identified by considering the least favorable values of the Correlation Coefficient (R ≥ 0.9995), the Root Mean Square Error of Prediction (RMSEP) values between (0.0102-0.5622), and the Relative Error of Prediction (REP) values between (0.2961-1.1917). The proposed and reported methods' greenness-sustainability was quantitatively evaluated, and a comparative study of the greenness profile was established through a spider chart, the National Environmental Method Index tool, advanced and modified NEMI along with the Hexagon tool, and the whiteness qualities of the presented approaches were assessed by implementing the recently adopted Red-Green-Blue paradigm and White Analytical Chemistry tool. These approaches are well-suited for use in quality control laboratories due to their observed acceptance, long-term sustainability, simplicity, and affordability.
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Affiliation(s)
- Khanda F.M. Amin
- Chemistry Department, College of Science, University of Sulaimani, Sulaymaniyah, Iraq
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5
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Hosseinalipour M, Deck LT, Mazzotti M. On Solute Recovery and Productivity in Chiral Resolution through Solid-State Deracemization by Temperature Cycling. CRYSTAL GROWTH & DESIGN 2024; 24:3925-3932. [PMID: 38708369 PMCID: PMC11066838 DOI: 10.1021/acs.cgd.4c00233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 05/07/2024]
Abstract
Temperature cycling represents an effective means for the deracemization of chiral compounds that crystallize as conglomerates and racemize in solution. In such a process, a suspension enriched in the desired enantiomer is converted into an enantiopure one through periodic cycles of crystal dissolution and crystal growth. We show that performing temperature cycling at higher temperatures leads to faster deracemization and, consequently, higher productivity. However, this comes at the cost of lower recovery, as the solution contains potentially relevant amounts of solute due to the higher solubility at an elevated temperature. In this work, we introduce and compare two process variants that mitigate this issue. The first involves temperature cycling, followed by linear cooling, whereas the second is based on merging the temperature cycles and cooling crystallization. Experiments carried out with the chiral compound N-(2-methylbenzylidene)-phenylglycine amide show that the former variant is faster than the latter, and it is easier to design and implement. In this process, the choice of an appropriate cooling rate is essential to avoid nucleation of the undesired enantiomer.
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Affiliation(s)
| | - Leif-Thore Deck
- Institute of Energy and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Marco Mazzotti
- Institute of Energy and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
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6
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Wang W, Wang L, Zhang Y, Shi Y, Zhang R, Chen L, Shi Z, Yuan S, Li X, He C, Li X. Chiral Iridium-Based TLD-1433 Analogues: Exploration of Enantiomer-Dependent Behavior in Photodynamic Cancer Therapy. Inorg Chem 2024; 63:7792-7798. [PMID: 38619892 DOI: 10.1021/acs.inorgchem.4c00215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Metallodrug-based photodynamic therapy (PDT) agents have demonstrated significant superiority against cancers, while their different chirality-induced biological activities remain largely unexplored. In this work, we successfully developed a pair of enantiopure mononuclear Ir(III)-based TLD-1433 analogues, Δ-Ir-3T and Λ-Ir-3T, and their enantiomer-dependent anticancer behaviors were investigated. Photophysical measurements revealed that they display high photostability and chemical stability, strong absorption at 400 nm with high molar extinction coefficients (ε = 5.03 × 104 M-1 cm-1), and good 1O2 relative quantum yields (ΦΔ ≈ 47%). Δ- and Λ-Ir-3T showed potent efficacy against MCF-7 cancer cells, with a photocytotoxicity index of ≤44 238. This impressive result, to the best of our knowledge, represents the highest value among reported mononuclear Ir(III)-based PDT agents. Remarkably, Λ-Ir-3T tended to be more potent than Δ-Ir-3T when tested against SK-MEL-28, HepG2, and LO2 cells, with consistent results across multiple test repetitions.
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Affiliation(s)
- Wen Wang
- Cancer Hospital of Dalian University of Technology, School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Lei Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Yangming Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Yusheng Shi
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Rong Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Liyong Chen
- Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, Bengbu, Anhui 233030, China
| | - Zhuolin Shi
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Shuai Yuan
- Central Laboratory, Liaoning Cancer Hospital & Institute, Cancer Hospital of Dalian University of Technology, No. 44 Xiaoheyan Road, Dadong District, Shenyang 110042, China
| | - Xiaoxi Li
- Central Laboratory, Liaoning Cancer Hospital & Institute, Cancer Hospital of Dalian University of Technology, No. 44 Xiaoheyan Road, Dadong District, Shenyang 110042, China
| | - Cheng He
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Xuezhao Li
- Cancer Hospital of Dalian University of Technology, School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
- Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, Bengbu, Anhui 233030, China
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7
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Zheng R, Zhao M, Du JS, Sudarshan TR, Zhou Y, Paravastu AK, De Yoreo JJ, Ferguson AL, Chen CL. Assembly of short amphiphilic peptoids into nanohelices with controllable supramolecular chirality. Nat Commun 2024; 15:3264. [PMID: 38627405 PMCID: PMC11021492 DOI: 10.1038/s41467-024-46839-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 03/12/2024] [Indexed: 04/19/2024] Open
Abstract
A long-standing challenge in bioinspired materials is to design and synthesize synthetic materials that mimic the sophisticated structures and functions of natural biomaterials, such as helical protein assemblies that are important in biological systems. Herein, we report the formation of a series of nanohelices from a type of well-developed protein-mimetics called peptoids. We demonstrate that nanohelix structures and supramolecular chirality can be well-controlled through the side-chain chemistry. Specifically, the ionic effects on peptoids from varying the polar side-chain groups result in the formation of either single helical fiber or hierarchically stacked helical bundles. We also demonstrate that the supramolecular chirality of assembled peptoid helices can be controlled by modifying assembling peptoids with a single chiral amino acid side chain. Computational simulations and theoretical modeling predict that minimizing exposure of hydrophobic domains within a twisted helical form presents the most thermodynamically favorable packing of these amphiphilic peptoids and suggests a key role for both polar and hydrophobic domains on nanohelix formation. Our findings establish a platform to design and synthesize chiral functional materials using sequence-defined synthetic polymers.
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Affiliation(s)
- Renyu Zheng
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Mingfei Zhao
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Jingshan S Du
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Tarunya Rao Sudarshan
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Yicheng Zhou
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Anant K Paravastu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Parker H. Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - James J De Yoreo
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
- Department of Materials Science, University of Washington, Seattle, WA, 98195, USA
| | - Andrew L Ferguson
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Chun-Long Chen
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA.
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
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8
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Suwankaisorn B, Aroonratsameruang P, Kuhn A, Wattanakit C. Enantioselective recognition, synthesis, and separation of pharmaceutical compounds at chiral metallic surfaces. ChemMedChem 2024; 19:e202300557. [PMID: 38233349 DOI: 10.1002/cmdc.202300557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/03/2024] [Accepted: 01/17/2024] [Indexed: 01/19/2024]
Abstract
The development of new pharmaceutical compounds is challenging because most of them are based on enantiopure chiral molecules, which exhibit unique properties for therapy. However, the synthesis of pharmaceutical compounds in the absence of a chiral environment naturally leads to a racemic mixture. Thus, to control their synthesis, an asymmetric environment is required, and chiral homogeneous catalysts are typically used to synthesize enantiopure pharmaceutical compounds (EPC). Nevertheless, homogeneous catalysts are difficult to recover after the reaction, generating additional problems and costs in practical processes. Thus, the development of chiral heterogeneous catalysts is a timely topic. In a more general context, such chiral materials cannot only be used for synthesis, but also to recognize and separate enantiomers. In the frame of these different challenges, we give in this review a short introduction to strategies to extrinsically and intrinsically modify heterogeneous metal matrixes for the enantioselective synthesis, recognition, and separation of chiral pharmaceutical compounds.
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Affiliation(s)
- Banyong Suwankaisorn
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, 555 Moo.1 Payupnai, Wangchan, Rayong, Thailand, 21210
- University of Bordeaux, CNRS, Bordeaux INP, ISM UMR 5255, 16, avenue Pey Berland, 33607, Pessac, France
| | - Ponart Aroonratsameruang
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, 555 Moo.1 Payupnai, Wangchan, Rayong, Thailand, 21210
| | - Alexander Kuhn
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, 555 Moo.1 Payupnai, Wangchan, Rayong, Thailand, 21210
- University of Bordeaux, CNRS, Bordeaux INP, ISM UMR 5255, 16, avenue Pey Berland, 33607, Pessac, France
| | - Chularat Wattanakit
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, 555 Moo.1 Payupnai, Wangchan, Rayong, Thailand, 21210
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9
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Labíková M, Svoboda J, Tůma J, Lindner W, Kohout M. Chiral recognition without π-π-interactions: Highly efficient chiral strong cation exchangers lacking an aromatic unit in the molecular structure. J Chromatogr A 2024; 1719:464729. [PMID: 38387150 DOI: 10.1016/j.chroma.2024.464729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/24/2024]
Abstract
Current state-of-the-art chiral stationary phases (CSPs) enable chiral resolution of almost any racemic mixture of choice. The exceptions represent ionizable and ionized substances that fail at any attempts to resolve on commercially available CSPs. These compounds, however, can be efficiently separated on chiral ion exchangers. Commercially available Cinchona alkaloids-based chiral weak ion-exchangers are typically used for chiral resolution of organic acids, while zwitterion ion-exchangers are efficient in the resolution of acids, bases, and zwitterions. The latter possess in their structure a cation exchange unit, which alone can serve as a cornerstone of chiral strong cation exchangers facilitating chiral separation of various basic racemic mixtures. Although chiral strong cation exchangers (cSCX) are efficient CSPs, their structural variations have not been thoroughly studied so far. It was assumed that the mechanism of chiral recognition of basic compounds by cSCX is based predominantly on π-π-interactions, hydrogen bonding and steric interactions (CSP I). To verify this assumption, we aimed in our study on the design and synthesis of cSCX first lacking lateral polar substituents on the aromatic unit in the selector's structure (CSP II), and second, to replace the aromatic unit by a cyclohexane ring (CSP III and IV), thereby to omit completely the π-π-interactions. We hypothesized that this structural change should lead to a partial or complete loss of enantiorecognition power of the selectors. Surprisingly, the non-aromatic cSCXs have shown chiral recognition capability comparable to that of previously described chiral cation exchange-type CSPs: from 16 analytes screened, 11 analytes were baseline resolved and 5 partially resolved on CSP I, while non-aromatic CSP III resolved 10 analytes baseline and 6 partially. We discuss the structural motifs of the known cSCX and the novel non-aromatic selectors in a relationship with their chromatographic performance using a set of basic analytes. Moreover, we present a theory of an effective chiral recognition mechanism by two novel non-aromatic cSCXs based on the chromatographic results and quantum mechanical calculations.
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Affiliation(s)
- Magdaléna Labíková
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Jiří Svoboda
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Jiří Tůma
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Wolfgang Lindner
- Institute of Analytical Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
| | - Michal Kohout
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic.
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10
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Chhatre S, Nagane SS, Wu Y, Lee J, Yap GPA, Martin DC. Influence of Controlled Chirality on the Crystallization of Maleimide-Functionalized 3,4-Ethylenedioxythiophene (EDOT-MA) Monomers. ACS OMEGA 2024; 9:13655-13665. [PMID: 38559998 PMCID: PMC10975600 DOI: 10.1021/acsomega.3c07719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/15/2024] [Accepted: 01/31/2024] [Indexed: 04/04/2024]
Abstract
Conjugated poly(alkoxythiophenes) such as poly(3,4-ethylenedioxythiophene) (PEDOT) have attracted considerable interest for use in a variety of applications such as biomedical devices, energy storage, and chemical sensing. Functionalized versions of the 3,4-ethylenedioxythiophene (EDOT) monomer make it possible to create polymers with properties tailored for specific applications. The maleimide functional group shows particular promise due to the wide variety of chemical modifications that it can undergo. Here, we examine the role that control of the chirality of the maleimide (MA) substituent has on the crystal structure and crystallization of the EDOT-MA monomer. We describe a method for the synthesis of a homochiral (S) variant of EDOT-MA and compare its crystallography, morphology, and thermal properties to that of the (R,S) EDOT-MA racemic compound. The conformation of the EDOT-MA molecule was substantially different, with the molecules adopting an "L" shape in the homochiral crystal, while in the racemic crystals, they were more colinear. The thermal stability of the homochiral crystals (Tm = 128.6 °C) was slightly higher than the racemic ones (Tm = 102.8 °C). We expect these results to be important in better understanding the solid-state assembly of the corresponding polymers prepared from these monomers.
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Affiliation(s)
- Shrirang
S. Chhatre
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
| | - Samadhan S. Nagane
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
| | - Yuhang Wu
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
| | - Junghyun Lee
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
| | - Glenn P. A. Yap
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - David C. Martin
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
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11
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Dobó M, Dombi G, Köteles I, Fiser B, Kis C, Szabó ZI, Tóth G. Simultaneous Determination of Enantiomeric Purity and Organic Impurities of Dexketoprofen Using Reversed-Phase Liquid Chromatography-Enhancing Enantioselectivity through Hysteretic Behavior and Temperature-Dependent Enantiomer Elution Order Reversal on Polysaccharide Chiral Stationary Phases. Int J Mol Sci 2024; 25:2697. [PMID: 38473945 DOI: 10.3390/ijms25052697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/21/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
A reversed-phase high-performance liquid chromatographic (HPLC) method was developed for the simultaneous determination of the potential impurities of dexketoprofen, including the distomer R-ketoprofen. After screening the separation capability of four polysaccharide columns (Lux Amylose-1, Lux Amylose-2, Lux Cellulose-1 and Lux Cellulose-2) in polar organic and in reversed-phase modes, appropriate enantioseparation was observed only on the Lux Amylose-2 column in an acidified acetonitrile/water mixture. A detailed investigation of the mobile phase composition and temperature for enantio- and chemoselectivity showed many unexpected observations. It was observed that both the resolution and the enantiomer elution order can be fine-tuned by varying the temperature and mobile phase composition. Moreover, hysteresis of the retention times and enantioselectivity was also observed in reversed-phase mode using methanol/water mixtures on amylose-type columns. This could indicate that the three-dimensional structure of the amylose column can change by transitioning from a polar organic to a reversed-phase mode, which affects the enantioseparation process. Temperature-dependent enantiomer elution order and rare enthalpic/entropic controlled enantioseparation in the operative temperature range were also observed in reversed-phase mode. To find the best methodological conditions for the determination of dexketoprofen impurities, a full factorial optimization design was performed. Using the optimized parameters (Lux Amylose-2 column with water/acetonitrile/acetic acid 50/50/0.1 (v/v/v) at a 1 mL/min flow rate at 20 °C), baseline separations were achieved between all compounds within 15 min. Our newly developed HPLC method was validated according to the current guidelines, and its application was tested on commercially available pharmaceutical formulations. According to the authors' knowledge, this is the first study to report hysteretic behavior on polysaccharide columns in reversed-phase mode.
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Affiliation(s)
- Máté Dobó
- Department of Pharmaceutical Chemistry, Semmelweis University, Hogyes 9, H-1092 Budapest, Hungary
| | - Gergely Dombi
- Department of Pharmaceutical Chemistry, Semmelweis University, Hogyes 9, H-1092 Budapest, Hungary
| | - István Köteles
- Department of Pharmaceutical Chemistry, Semmelweis University, Hogyes 9, H-1092 Budapest, Hungary
- Department of Chemistry and Molecular Biology, University of Gothenburg, Medicinaregatan 19, 41390 Göteborg, Sweden
| | - Béla Fiser
- Institute of Chemistry, University of Miskolc, H-3515 Miskolc, Hungary
- Ferenc Rakoczi II. Transcarpathian Hungarian College of Higher Education, 90200 Beregszasz, Ukraine
- Department of Physical Chemistry, Faculty of Chemistry, University of Lodz, 90-149 Lodz, Poland
| | - Csenge Kis
- Department of Pharmaceutical Industry and Management, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, Gh. Marinescu 38, 540139 Targu Mures, Romania
| | - Zoltán-István Szabó
- Department of Pharmaceutical Industry and Management, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, Gh. Marinescu 38, 540139 Targu Mures, Romania
- Sz-imfidum Ltd., Lunga nr. 504, 525401 Targu Mures, Romania
| | - Gergő Tóth
- Department of Pharmaceutical Chemistry, Semmelweis University, Hogyes 9, H-1092 Budapest, Hungary
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12
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McVicker R, O’Boyle NM. Chirality of New Drug Approvals (2013-2022): Trends and Perspectives. J Med Chem 2024; 67:2305-2320. [PMID: 38344815 PMCID: PMC10895675 DOI: 10.1021/acs.jmedchem.3c02239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/23/2024]
Abstract
Many drugs are chiral with their chirality determining their biological interactions, safety, and efficacy. Since the 1980s, there has been a regulatory preference to bring single enantiomer to market. This perspective discusses trends related to chirality that have developed in the past decade (2013-2022) of new drug approvals. The EMA has not approved a racemate since 2016, while the average for the FDA is one per year from 2013 to 2022. These 10 include drugs which have been previously marketed elsewhere for several decades, analogues of pre-existing drugs, or drugs where the undefined stereocenter does not play a role in therapeutic activity. Two chiral switches were identified which were both combined with drug repurposing. This combination strategy has the potential to produce therapeutically valuable drugs in a faster time frame. Two class III atropisomers displaying axial chirality were approved between 2013 and 2022, one as a racemate and one as a single enantiomer.
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Affiliation(s)
- Rebecca
U. McVicker
- School
of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences
Institute, Trinity College Dublin, 152−160 Pearse Street, Dublin 2, D02 R590, Ireland
- Gamlen
Tableting Ltd, 3 Stanton
Way, London SE26 5FU, United Kingdom
| | - Niamh M. O’Boyle
- School
of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences
Institute, Trinity College Dublin, 152−160 Pearse Street, Dublin 2, D02 R590, Ireland
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13
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Erenburg N, Perucca E, Bechard J, Dube C, Weishaupt N, Sherrington R, Bialer M. Stereoselective Analysis of the Antiseizure Activity of Fenfluramine and Norfenfluramine in Mice: Is l-Norfenfluramine a Better Follow-Up Compound to Racemic-Fenfluramine? Int J Mol Sci 2024; 25:2522. [PMID: 38473769 DOI: 10.3390/ijms25052522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 03/14/2024] Open
Abstract
The aim of this study was to investigate the comparative antiseizure activity of the l-enantiomers of d,l-fenfluramine and d,l-norfenfluramine and to evaluate the relationship between their concentration in plasma and brain and anticonvulsant activity. d,l-Fenfluramine, d,l-norfenfluramine and their individual enantiomers were evaluated in the mouse maximal electroshock seizure (MES) test. d,l-Fenfluramine, d,l-norfenfluramine and their individual l-enantiomers were also assessed in the DBA/2 mouse audiogenic seizure model. All compounds were administered intraperitoneally. Brain and plasma concentrations of the test compounds in DBA/2 mice were quantified and correlated with anticonvulsant activity. In the MES test, fenfluramine, norfenfluramine and their enantiomers showed comparable anticonvulsant activity, with ED50 values between 5.1 and 14.8 mg/kg. In the audiogenic seizure model, l-norfenfluramine was 9 times more potent than d,l-fenfluramine and 15 times more potent than l-fenfluramine based on ED50 (1.2 vs. 10.2 and 17.7 mg/kg, respectively). Brain concentrations of all compounds were about 20-fold higher than in plasma. Based on brain EC50 values, l-norfenfluramine was 7 times more potent than d,l-fenfluramine and 13 times more potent than l-fenfluramine (1940 vs. 13,200 and 25,400 ng/g, respectively). EC50 values for metabolically formed d,l-norfenfluramine and l-norfenfluramine were similar to brain EC50 values of the same compounds administered as such, suggesting that, in the audiogenic seizure model, the metabolites were responsible for the antiseizure activity of the parent compounds. Because of the evidence linking d-norfenfluramine to d,l-fenfluramine to cardiovascular and metabolic adverse effects, their l-enantiomers could potentially be safer follow-up compounds to d,l-fenfluramine. We found that, in the models tested, the activity of l-fenfluramine and l-norfenfluramine was comparable to that of the corresponding racemates. Based on the results in DBA/2 mice and other considerations, l-norfenfluramine appears to be a particularly attractive candidate for further evaluation as a novel, enantiomerically pure antiseizure medication.
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Affiliation(s)
- Natalia Erenburg
- Institute of Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel
| | - Emilio Perucca
- Department of Medicine (Austin Health), University of Melbourne, Heidelberg, VIC 3084, Australia
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC 3168, Australia
| | - Jeff Bechard
- Xenon Pharmaceuticals Inc., 3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada
| | - Celine Dube
- Xenon Pharmaceuticals Inc., 3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada
| | - Nina Weishaupt
- Xenon Pharmaceuticals Inc., 3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada
| | - Robin Sherrington
- Xenon Pharmaceuticals Inc., 3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada
| | - Meir Bialer
- Institute of Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel
- David R. Bloom Center for Pharmacy, The Hebrew University of Jerusalem, Jerusalem 9112002, Israel
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14
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Song N, Sun Z, Wang B, Liu X, Hu B, Chen N, Zhang S, Yu Z. Suicide gene delivery by morphology-adaptable enantiomeric peptide assemblies for combined ovarian cancer therapy. Acta Biomater 2024; 175:250-261. [PMID: 38122884 DOI: 10.1016/j.actbio.2023.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/16/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023]
Abstract
Suicide gene therapy is a promising therapeutic model for ovarian cancer (OC), while suffering from poor gene delivery and limited therapeutic efficacy. To address this concern, here we reported the GSH-responsive morphology-transformable enantiomeric peptide assemblies as delivering vehicles for suicide genes and co-delivery of paclitaxel (PTX). Connecting a lipid-like amphiphile and a hydrophilic arginine segment through disulfide bonds led to the enantiomeric peptides. The enantiomeric peptide assemblies are able to simultaneously uptake plasmid DNA (pDNA) and PTX based on electrostatic and hydrophobic interactions. The resulting co-assemblies underwent GSH-responsive disulfide cleavage and thereby promoting their assembly from nanoparticles to nanofibers, leading to the co-release of pDNA and PTX. Cellular and animal studies confirmed the co-delivery of pDNA and PTX into OC cells and the cell apoptosis by the enantiomeric peptides. In addition, in vitro and in vivo experiments supported the advanced uptake and cytotoxicity for L-type peptide vehicles by OC cells, and their great potential for OC-imaging, growth-inhibition and apoptosis-induction compared to D-counterpart. Our results demonstrate that the GSH-responsive morphology-transformable chiral peptide assemblies accurately and simultaneously release suicide genes and chemodrugs at tumor sites, thus providing a new strategy for the development of delivering vehicles for suicide gene and establishment of new therapeutic models for ovarian cancer. STATEMENT OF SIGNIFICANCE: Appropriate delivery carriers are essential for the clinical translation of cancer gene therapy, including the emerging suicide gene therapy. By combining the advantages of morphological transformable vehicles with the chirality peptides towards their bioactivity, we developed the GSH-responsive morphology-transformable enantiomeric peptide assemblies as delivering vehicles for suicide genes and co-delivery of paclitaxel. The GSH-responsive assembly of the enantiomeric peptides allows for precise release of plasmid DNA and paclitaxel in cancer cells, and promotes the formation of nanofibrils that facilitate gene entering nuclei for transfection. The enantiomeric peptide-based vehicles show the chirality-dependent capability for inducing cell apoptosis and inhibiting tumor growth. Our findings demonstrate a new strategy for developing therapeutic models for ovarian cancer.
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Affiliation(s)
- Na Song
- Ministry of Education Key Laboratory of Functional Polymer Materials, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China; Shandong Provincial Engineering Laboratory of Novel Pharmaceutical Excipients and Controlled Release Preparations, College of Medicine and Nursing, Dezhou University, China
| | - Zhe Sun
- School of Life Sciences, Tianjin University, Weijin Road 92, Tianjin 300072, China
| | - Bo Wang
- Department of Cell Biology, School of Medicine, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Xin Liu
- Ministry of Education Key Laboratory of Functional Polymer Materials, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Binbin Hu
- Ministry of Education Key Laboratory of Functional Polymer Materials, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Ninglin Chen
- Ministry of Education Key Laboratory of Functional Polymer Materials, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China; The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, 36 Lushan Road, Changsha, Hunan 410000, China
| | - Sihe Zhang
- Department of Cell Biology, School of Medicine, Nankai University, 94 Weijin Road, Tianjin 300071, China.
| | - Zhilin Yu
- Ministry of Education Key Laboratory of Functional Polymer Materials, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China.
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15
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Basu A, Yang JY, Tsirukis VE, Loiacono A, Koch G, Khwaja IA, Krishnamurthy M, Fazio N, White E, Jha A, Shah S, Takmil C, Bagdas D, Demirer A, Master A, Natke E, Honkanen R, Huang L, Rigas B. Phosphosulindac (OXT-328) prevents and reverses chemotherapy induced peripheral neuropathy in mice. Front Neurosci 2024; 17:1240372. [PMID: 38347876 PMCID: PMC10860339 DOI: 10.3389/fnins.2023.1240372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 10/19/2023] [Indexed: 02/15/2024] Open
Abstract
Background Chemotherapy-induced peripheral neuropathy (CIPN), a side effect of chemotherapy, is particularly difficult to treat. We explored whether phosphosulindac (PS), a modified NSAID, could treat CIPN. Methods CIPN was induced in male C57BL/6 J mice by paclitaxel, vincristine or oxaliplatin. Mechanical allodynia was measured with the von Frey test and cold allodynia with the acetone test. To determine the preventive effect of PS, it was administered 2 days before the induction of CIPN. Mouse Lewis lung carcinoma xenografts were used to determine if PS altered the chemotherapeutic efficacy of paclitaxel. Cultured cell lines were used to evaluate the effect of PS on neuroinflammation. Results Treatment with each of the three chemotherapeutic agents used to induce CIPN lowered the mechanical allodynia scores by 56 to 85% depending on the specific agent. PS gel was applied topically 3x/day for 16-22 days to the hind paws of mice with CIPN. This effect was dose-dependent. Unlike vehicle, PS returned mechanical allodynia scores back to pre-CIPN levels. PS had a similar effect on paclitaxel-induced CIPN cold allodynia. Sulindac, a metabolite of PS, had no effect on CIPN. PS significantly prevented CIPN compared to vehicle. Given concomitantly with paclitaxel to mice with lung cancer xenografts, PS relieved CIPN without affecting the anticancer effect of paclitaxel. The enantiomers of PS were equally efficacious against CIPN, suggesting the therapeutic suitability of the racemate PS. There were no apparent side effects of PS. PS suppressed the levels of IL-6, IL-10, CXCL1, and CXCL2 induced by paclitaxel in a neuroblastoma cell line, and macrophage activation to the M1 proinflammatory phenotype. Conclusion Topically applied PS demonstrated broad therapeutic and preventive efficacy against CIPN, preserved the anticancer effect of paclitaxel, and was safe. Its anti-CIPN effect appears to be mediated, in part, by suppression of neuroinflammation. These data support further evaluation of topical PS for the control of CIPN.
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Affiliation(s)
- Aryah Basu
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Jennifer Y. Yang
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Vasiliki E. Tsirukis
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Andrew Loiacono
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Gina Koch
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Ishan A. Khwaja
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Mahila Krishnamurthy
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Nicholas Fazio
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Emily White
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Aayushi Jha
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Shrila Shah
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Cameron Takmil
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Deniz Bagdas
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States
| | - Aylin Demirer
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, United States
| | - Adam Master
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Ernest Natke
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Robert Honkanen
- Departments of Ophthalmology, Stony Brook University, Stony Brook, NY, United States
| | - Liqun Huang
- Medicon Pharmaceuticals, Inc, Setauket, NY, United States
| | - Basil Rigas
- Departments of Preventive Medicine, Stony Brook University, Stony Brook, NY, United States
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16
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Han SW, Jang Y, Kook J, Jang J, Shin JS. Reprogramming biocatalytic futile cycles through computational engineering of stereochemical promiscuity to create an amine racemase. Nat Commun 2024; 15:49. [PMID: 38169460 PMCID: PMC10761954 DOI: 10.1038/s41467-023-44218-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024] Open
Abstract
Repurposing the intrinsic properties of natural enzymes can offer a viable solution to current synthetic challenges through the development of novel biocatalytic processes. Although amino acid racemases are ubiquitous in living organisms, an amine racemase (AR) has not yet been discovered despite its synthetic potential for producing chiral amines. Here, we report the creation of an AR based on the serendipitous discovery that amine transaminases (ATAs) can perform stereoinversion of 2-aminobutane. Kinetic modeling revealed that the unexpected off-pathway activity results from stereochemically promiscuous futile cycles due to incomplete stereoselectivity for 2-aminobutane. This finding motivated us to engineer an S-selective ATA through in silico alanine scanning and empirical combinatorial mutations, creating an AR with broad substrate specificity. The resulting AR, carrying double point mutations, enables the racemization of both enantiomers of diverse chiral amines in the presence of a cognate ketone. This strategy may be generally applicable to a wide range of transaminases, paving the way for the development of new-to-nature racemases.
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Affiliation(s)
- Sang-Woo Han
- Department of Biotechnology, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, South Korea
- Department of Biotechnology, Konkuk University, Chungju, South Korea
| | - Youngho Jang
- Department of Biotechnology, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, South Korea
| | - Jihyun Kook
- Department of Biotechnology, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, South Korea
| | - Jeesu Jang
- Department of Biotechnology, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, South Korea
| | - Jong-Shik Shin
- Department of Biotechnology, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, South Korea.
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17
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Patlolla RR, Deepthi P, Raveena G, Rosangzuala K, Tejaswini S, Prakasham RS, Banoth L. Lipase mediated new chemo-enzymatic synthesis of (RS)-, (R)-, and (S)-bunolol. Chirality 2024; 36:e23627. [PMID: 37957841 DOI: 10.1002/chir.23627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/04/2023] [Accepted: 10/10/2023] [Indexed: 11/15/2023]
Abstract
The β-adrenergic receptor blocking agents are an important class of drug molecules. The present study reports a new chemo and chemo-enzymatic synthetic process for (RS)-, (R)-, and (S)-bunolol, one of the potent β-adrenergic receptor blocker. In chemo-enzymatic process, CAL L4777 lipase was employed for enantioselective kinetic resolution to synthesize the enantiopure (R)-alcohol and (S)-ester from the corresponding racemic alcohol. Thereafter, the corresponding (R)-alcohol and deacylated (S)-ester were treated with tert-butylamine to produce (S)- and (R)-bunolol, respectively. In chemical approach, epichlorohydrin (RS-, R-, and S-) was used as a starting material via respective (RS)-, (S)-, and (R)-glycidyl ether as intermediates for synthesis of enantiomeric (RS)-, (R)-, and (S)-bunolol. In comparison between two approaches, it was found that the chemo-enzymatic process was more effective and resulted in enantiomeric excess of 98% with 35% yield.
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Affiliation(s)
- Ravinder Reddy Patlolla
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Pulivarthi Deepthi
- Fluoro Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Gajjala Raveena
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Khawlhring Rosangzuala
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Somarowthu Tejaswini
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Reddy Shetty Prakasham
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Linga Banoth
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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18
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Ye L, Li J, Richter FU, Jahani Y, Lu R, Lee BR, Tseng ML, Altug H. Dielectric Tetramer Nanoresonators Supporting Strong Superchiral Fields for Vibrational Circular Dichroism Spectroscopy. ACS PHOTONICS 2023; 10:4377-4384. [PMID: 38533249 PMCID: PMC10961839 DOI: 10.1021/acsphotonics.3c01186] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/15/2023] [Accepted: 10/20/2023] [Indexed: 03/28/2024]
Abstract
Chirality (C) is a fundamental property of objects, in terms of symmetry. It is extremely important to sense and distinguish chiral molecules in the fields of biochemistry, science, and medicine. Vibrational circular dichroism (VCD) spectroscopy, obtained from the differential absorption of left- and right- circularly polarized light (CPL) in the infrared range, is a promising technique for enantiomeric detection and separation. However, VCD signals are typically very weak for most small molecules. Dielectric metasurfaces are an emerging platform to enhance the sensitivity of VCD spectroscopy of chiral molecules via superchiral field manipulation. Here, we demonstrate a dielectric metasurface consisting of achiral germanium (Ge) tetramer nanoresonators that provide a proper and accessible high C enhancement (CE). We realize a maximum C enhancement (CE_max) with respect to the incident CPL (CE_max = Cmax/CRCP) of more than 750. The volume-averaged C enhancement (CE_ave = Cave/CRCP) is 148 in the 50 nm thick region above the sample surface and 215 in the central region of the structure. Especially, the corresponding CE_ave values are more than 89 and 183 even when a 50 nm thick chiral lossy molecular layer is coated on the metasurface. The metasurface benefits from geometrically achiral nanostructure design to eliminate intrinsic background chiral-optical signal from the substrate, which is useful in chiral sensing, enantioselectivity, and VCD spectroscopy applications in the mid-infrared range.
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Affiliation(s)
- Longfang Ye
- Institute
of Electromagnetics and Acoustics, School of Electronic Science and
Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Jingyan Li
- Institute
of Electromagnetics and Acoustics, School of Electronic Science and
Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Felix Ulrich Richter
- Laboratory
of Bionanophotonic Systems, Institute of Bioengineering, École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Yasaman Jahani
- Laboratory
of Bionanophotonic Systems, Institute of Bioengineering, École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Rui Lu
- Jiangsu
Key Laboratory of Chemical Pollution Control and Resources Reuse,
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
| | - Bo Ray Lee
- Institute
of Electronics, National Yang Ming Chiao
Tung University, Hsinchu 300, Taiwan
| | - Ming Lun Tseng
- Institute
of Electronics, National Yang Ming Chiao
Tung University, Hsinchu 300, Taiwan
| | - Hatice Altug
- Laboratory
of Bionanophotonic Systems, Institute of Bioengineering, École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne 1015, Switzerland
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19
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Park YR, Krishna S, Lee OK, Lee EY. Biosynthesis of chiral diols from alkenes using metabolically engineered type II methanotroph. BIORESOURCE TECHNOLOGY 2023; 389:129851. [PMID: 37813317 DOI: 10.1016/j.biortech.2023.129851] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/06/2023] [Accepted: 10/06/2023] [Indexed: 10/11/2023]
Abstract
Methanotrophs are environmentally friendly microorganisms capable of converting gas to liquid using methane monooxygenases (MMOs). In addition to methane-to-methanol conversion, MMOs catalyze the conversion of alkanes to alcohols and alkenes to epoxides. Herein, the efficacy of epoxidation by type I and II methanotrophs was investigated, and type II methanotrophs were observed to be more efficient in converting alkenes to epoxides. Subsequently, three (Epoxide hydrolase) EHs of different origins were overexpressed in the type II methanotroph Methylosinus trichosporium OB3b to produce 1,2-diols from epoxide. Methylosinus trichosporium OB3b expressing Caulobacter crescentus EH produced the highest amount of (R)-1,2-propanediol (251.5 mg/L) from 1-propene. These results demonstrate the possibility of using methanotrophs as a microbial platform for diol production and the development of a continuous bioreactor for industrial applications.
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Affiliation(s)
- Ye Rim Park
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Shyam Krishna
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Ok Kyung Lee
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Eun Yeol Lee
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
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20
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Fang S, Liu Z, Wang T. Design and Application of Peptide-Mimic Phosphonium Salt Catalysts in Asymmetric Synthesis. Angew Chem Int Ed Engl 2023; 62:e202307258. [PMID: 37408171 DOI: 10.1002/anie.202307258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/07/2023]
Abstract
Chiral phosphonium salt catalysis, traditionally classified as a type of phase transfer catalysis, has proven to be a powerful strategy for the stereoselective preparation of diverse optically active molecules. However, there still remain numerous forbidding issues of reactivity and selectivity in such well-known organocatalysis system. Accordingly, the development of new and high-performance phosphonium salt catalysts with unique chiral backbones is highly desirable, yet challenging. This Minireview describes the prominent endeavours in the development of a new family of chiral peptide-mimic phosphonium salt catalysts with multiple hydrogen-bonding donors and their applications in a plethora of enantioselective synthesis during the past few years. Hopefully, this minireview will pave a way for further developing much more efficient and privileged chiral ligands/catalysts featuring exclusively catalytic ability in asymmetric synthesis.
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Affiliation(s)
- Siqiang Fang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Zanjiao Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Tianli Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
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21
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Sargolzaei M, Nikoofard H. Design of prodrug for stereoisomers of omapatrilat to cross the blood-brain barrier using docking, homology modeling, MD, and QM/MM methods. J Biomol Struct Dyn 2023:1-13. [PMID: 37728537 DOI: 10.1080/07391102.2023.2259488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/09/2023] [Indexed: 09/21/2023]
Abstract
In this study, we designed a suitable ester prodrug for omapatrilat to penetrate the blood-brain barrier and treat CNS diseases. Based on the ADMET properties, the methyl carboxylate ester of omapatrilat was chosen from among several prodrug structures. Sixteen methyl carboxylate esters were constructed for omapatrilat. The structure of brain carboxylesterase was derived via homology modeling, and molecular docking was used to determine the most potent stereoisomers against brain carboxylesterase. The top three stereoisomer complexes, and the apo form of the protein, were then considered using molecular dynamics simulation and MM/GBSA analysis. Following the simulation, structural analysis was performed using RMSD, RMSF, Rg, and hydrogen bond analysis tools. Our data demonstrated that the prodrug of RSSR is a suitable structure for crossing the blood-brain barrier and binding to brain carboxylesterase. In addition, we found via QM/MM calculation that the catalytic reaction of the prodrug of RSSR against brain carboxylesterase occurs via two steps, including acylation and diacylation steps. Based on our findings, we propose a clinical trial of a methyl carboxylate ester prodrug of omapatrilat's RSSR for the treatment of brain diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohsen Sargolzaei
- Faculty of Chemistry, Shahrood University of Technology, Shahrood, Iran
| | - Hossein Nikoofard
- Faculty of Chemistry, Shahrood University of Technology, Shahrood, Iran
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22
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Li Y, Deng K, Shen C, Liang X, Zeng Z, Liu L, Xu X. Enantiomeric Virus-Inspired Oncolytic Particles for Efficient Antitumor Immunotherapy. ACS NANO 2023; 17:17320-17331. [PMID: 37506386 DOI: 10.1021/acsnano.3c05288] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
Synthesizing biomimetic systems with stereospecific architectures and advanced bioactivity remains an enormous challenge in modern science. To fundamentally eliminate biosafety issues of natural oncolytic viruses, the development of synthetic virus-inspired particles with high oncolytic activity is urgently needed for clinical antitumor treatments. Here, we describe the design and synthesis of enantiomeric virus-inspired particles for efficient oncolytic therapy from homochiral building blocks to stereospecific supramolecular constructions. The L-virus-inspired oncolytic particles (L-VOPs) and D-VOPs possess similar biomimetic nanostructures but mirror-imaged enantiomeric forms. It is important that both L-VOPs and D-VOPs successfully mimic the pharmacological activity of oncolytic viruses, including direct tumor lysis and antitumor immune activation. D-VOPs provide quite better oncolytic efficacy than that of clinical-grade oncolytic agents (LTX-315, IC50 = 53.00 μg mL-1) with more than 5-fold decrease in IC50 value (10.93 μg mL-1) and close to 100% tumor suppression (98.79%) against 4T1 tumor-bearing mice, attributed to the chirality-dependent tumor recognition, interaction, antidegradation, and immunotherapy. This work provides a strategy for the synthesis of stereospecific biomimetic material systems as well as develops an advanced candidate for biomimetic oncolytic agents without biosafety risks.
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Affiliation(s)
- Yachao Li
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Kefurong Deng
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Cheng Shen
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Xiaoyu Liang
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Zenan Zeng
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Liguo Liu
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Xianghui Xu
- Department of Pharmacy, College of Biology, Hunan University, Changsha, Hunan 410082, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
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23
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Li S, Zhu H, Li L, Chen W, Jiang J, Qu ZW, Grimme S, Zhang YQ. A Nuclearity-Dependent Enantiodivergent Epoxide Opening via Enthalpy-Controlled Mononuclear and Entropy-Controlled Dinuclear (Salen)Titanium Catalysis. Angew Chem Int Ed Engl 2023; 62:e202309525. [PMID: 37489882 DOI: 10.1002/anie.202309525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 07/26/2023]
Abstract
A nuclearity-dependent enantiodivergent epoxide opening reaction has been developed, in which both antipodes of chiral alcohol products are selectively accessed by mononuclear (salen)TiIII complex and its self-assembled oxygen-bridged dinuclear counterparts within the same stereogenic ligand scaffold. Kinetic studies based on the Eyring equation revealed an enthalpy-controlled enantio-differentiation mode in mononuclear catalysis, whereas an entropy-controlled one in dinuclear catalysis. DFT calculations outline the origin of the enantiocontrol of the mononuclear catalysis and indicate the actual catalyst species in the dinuclear catalytic system. The mechanistic insights may shed a light on a strategy for stereoswichable asymmetric catalysis utilizing nuclearity-distinct transition-metal complexes.
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Affiliation(s)
- Shengxiao Li
- Department of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Hui Zhu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstrasse 4, 53115, Bonn, Germany
| | - Longfei Li
- Department of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Wanjiao Chen
- Department of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Jie Jiang
- Department of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Zheng-Wang Qu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstrasse 4, 53115, Bonn, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstrasse 4, 53115, Bonn, Germany
| | - Yong-Qiang Zhang
- Department of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
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24
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Di Martino RMC, Maxwell BD, Pirali T. Deuterium in drug discovery: progress, opportunities and challenges. Nat Rev Drug Discov 2023; 22:562-584. [PMID: 37277503 PMCID: PMC10241557 DOI: 10.1038/s41573-023-00703-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2023] [Indexed: 06/07/2023]
Abstract
Substitution of a hydrogen atom with its heavy isotope deuterium entails the addition of one neutron to a molecule. Despite being a subtle change, this structural modification, known as deuteration, may improve the pharmacokinetic and/or toxicity profile of drugs, potentially translating into improvements in efficacy and safety compared with the non-deuterated counterparts. Initially, efforts to exploit this potential primarily led to the development of deuterated analogues of marketed drugs through a 'deuterium switch' approach, such as deutetrabenazine, which became the first deuterated drug to receive FDA approval in 2017. In the past few years, the focus has shifted to applying deuteration in novel drug discovery, and the FDA approved the pioneering de novo deuterated drug deucravacitinib in 2022. In this Review, we highlight key milestones in the field of deuteration in drug discovery and development, emphasizing recent and instructive medicinal chemistry programmes and discussing the opportunities and hurdles for drug developers, as well as the questions that remain to be addressed.
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Affiliation(s)
| | | | - Tracey Pirali
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale, Novara, Italy.
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25
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Yang W, Liu W, Li X, Yan J, He W. Turning chiral peptides into a racemic supraparticle to induce the self-degradation of MDM2. J Adv Res 2023; 45:59-71. [PMID: 35667548 PMCID: PMC10006529 DOI: 10.1016/j.jare.2022.05.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/04/2022] [Accepted: 05/24/2022] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Chirality is immanent in nature, and chiral molecules can achieve their pharmacological action through chiral matching with biomolecules and molecular conformation recognition. OBJECTIVES Clinical translation of chiral therapeutics, particularly chiral peptide molecules, has been hampered by their unsatisfactory pharmaceutical properties. METHODS A mild and simple self-assembly strategy was developed here for the construction of peptide-derived chiral supramolecular nanomedicine with suitable pharmaceutical properties. In this proof-of-concept study, we design a D-peptide as MDM2 Self-Degradation catalysts (MSDc) to induce the self-degradation of a carcinogenic E3 Ubiquitin ligase termed MDM2. Exploiting a metal coordination between mercaptan in peptides and trivalent gold ion, chiral MSDc was self-assembled into a racemic supraparticle (MSDNc) that eliminated the consume from the T-lymphocyte/macrophage phagocytose in circulation. RESULTS Expectedly, MSDNc down-regulated MDM2 in more action than its L-enantiomer termed CtrlMSDNc. More importantly, MSDNc preponderantly suppressed the tumor progression and synergized the tumor immunotherapy in allograft model of melanoma through p53 restoration in comparison to CtrlMSDNc. CONCLUSION Collectively, this work not only developed a secure and efficient therapeutic agent targeting MDM2 with the potential of clinical translation, but also provided a feasible and biocompatible strategy for the construction of peptide supraparticle and expanded the application of chiral therapeutic and homo-PROTAC to peptide-derived chiral supramolecular nanomedicine.
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Affiliation(s)
- Wenguang Yang
- Department of Medical Oncology and Department of Talent Highland, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an 710061, China
| | - Wenjia Liu
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
| | - Xiang Li
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Jin Yan
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
| | - Wangxiao He
- Department of Medical Oncology and Department of Talent Highland, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an 710061, China; Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
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26
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D’Acquarica I, Agranat I. The Quest for Secondary Pharmaceuticals: Drug Repurposing/Chiral-Switches Combination Strategy. ACS Pharmacol Transl Sci 2023; 6:201-219. [PMID: 36798472 PMCID: PMC9926527 DOI: 10.1021/acsptsci.2c00151] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Indexed: 01/19/2023]
Abstract
Drug repurposing toward new medical uses and chiral switches are elements of secondary pharmaceuticals. The drug repurposing and chiral-switches strategies have mostly been applied independently in drug discovery. Drug repurposing has peaked in the search for therapeutic treatments of the Coronavirus Disease 2019 pandemic, whereas chiral switches have been overlooked. The current Perspective introduces the drug repurposing/chiral-switches combination strategy, overviewing representative cases of chiral drugs that have undergone this combination: ketamine, flurbiprofen, fenfluramine, and milnacipran. The deuterium-enabled chiral switches of racemic thalidomide analogs, a variation of the repurposing/chiral-switch combination strategy, is also included. Patenting and regulatory-exclusivity considerations of the combination strategy in the discovery of new medical uses are considered. The proposed combination creates a new synergy of its two elements, overcoming arguments against chiral switches, with better prospects for validation of patents and regulatory exclusivities. The combination strategy may be applied to chiral switches to paired enantiomers. Repurposing/chiral-switch drugs may be 'obvious-to-try'; however, their inventions may be unexpected and their patents nonobvious. Patenting repurposing/chiral-switch combination drugs is not 'evergreening', 'product hopping', and 'me-too'. The expected benefits and opportunities of the combined repurposing/chiral-switch strategy vis-à-vis its two elements are superior pharmacological properties, overcoming arguments against patent validities, challenges of chiral-switch patents, reduced expenses, shortened approval procedures, and higher expectations of regulatory exclusivities.
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Affiliation(s)
- Ilaria D’Acquarica
- Dipartimento
di Chimica e Tecnologie del Farmaco, Sapienza
Università di Roma, 00185 Rome, Italy
| | - Israel Agranat
- Organic
Chemistry, Institute of Chemistry, The Hebrew
University of Jerusalem, Edmond J. Safra Campus, Jerusalem 9190401, Israel
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27
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Chirality: An inescapable concept for the pharmaceutical, bio‐pharmaceutical, food, and cosmetic industries. SEPARATION SCIENCE PLUS 2023. [DOI: 10.1002/sscp.202200131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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28
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Jiang H, Liu R, Wang L, Wang X, Zhang M, Lin S, Cao Z, Wu F, Liu Y, Liu J. Chiral-Selective Antigen-Presentation by Supramolecular Chiral Polymer Micelles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208157. [PMID: 36398497 DOI: 10.1002/adma.202208157] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Chirality is ubiquitous in biological systems, which is closely related to biological functions, life processes, and even the pathogenesis of diseases. However, the interface between the chirality of synthetic materials and organisms, particularly the immune system, remains poorly understood. Here, supramolecular chiral polymer micelles (SCPMs) are prepared by complexing antigenic proteins with chiral amino acid-modified polyethyleneimine. The introduction of chirality not only reduces the toxicity of cationic polymer, but also benefits cell uptake and antigen presentation. Especially, D-chirality presents the lowest cytotoxicity, while promoting the highest expression level of costimulatory molecules on dendritic cells compared to L-chirality and achirality. The superiority of D-chirality to stimulate dendritic cell maturation is supported by immunization with D-SCPMs, which achieves significant antigen-specific proliferation of T cells in the spleen, lymph nodes, and tumor of mice. Chirality-mediated antigen processing and presentation are demonstrated by D-SCPMs self-assembled from chiral alkaline histidine or neutral phenylalanine modified polyethyleneimine and tumor associated ovalbumin or severe acute respiratory syndrome coronavirus 2 spike 1 antigenic protein. Immunoactivation enabled by D-chirality opens a window to prepare potent nanotherapeutics for disease prevention and treatment.
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Affiliation(s)
- Hejin Jiang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Rui Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Lu Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Xinyue Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Mengmeng Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Sisi Lin
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Zhenping Cao
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Feng Wu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Yingbin Liu
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jinyao Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
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29
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Liu CY, Deng P, Wang B, Liu AH, Wang MG, Li SW, Chen LL, Mao SC. Coumaronochromones, flavanones, and isoflavones from the twigs and leaves of Erythrina subumbrans inhibit PTP1B and nitric oxide production. PHYTOCHEMISTRY 2023; 206:113550. [PMID: 36481312 DOI: 10.1016/j.phytochem.2022.113550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/26/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
A chemical investigation of the twigs and leaves of Erythrina subumbrans led to the isolation and structural elucidation of three coumaronochromones, erythrinasubumbrin A and (±)-erythrinasubumbrin B, five prenylated flavanones, (±)-erythrinasubumbrin C and erythrinasubumbrins D-F, and two prenylated isoflavones, (±)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, in addition to 18 known analogues. Two extra cinnamylphenols previously only known as commercial synthetic products were also isolated and elucidated from a natural source for the first time, and assigned the trivial names erythrinasubumbrins G and H. Their structures were characterized by detailed analysis of spectroscopic data, including HRESIMS and 2D NMR. The absolute configurations of the previously undescribed isolates and the known coumaronochromone lupinol C were determined by specific rotation and electronic circular dichroism (ECD) data. All the isolates were evaluated for their inhibitory activities on protein tyrosine phosphatase 1 B (PTP1B) and nitric oxide (NO) production in lipopolysaccharide (LPS)-induced BV-2 microglial cells as well as their cytotoxicity against the HCT116 cell line. The pair of enantiomers, (+)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone and (-)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, and the known compounds lupinol C, 4'-O-methyl-8-prenylnaringenin, glepidotin B, shuterin, parvisoflavones A, luteone, lupiwighteone, 2,3-dehydrokievitone, 6,8-diprenylgenistein, angustone A, and 2'-O-demethylbidwillol B exhibited different levels of PTP1B inhibitory activities with IC50 values ranging from 3.21 to 19.17 μM, while erythrinasubumbrin A, (-)-erythrinasubumbrin B, (+)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, (-)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, and the known compounds lupinol C, 8-prenylnaringenin, macatrichocarpin A, alpinumisoflavone, and 2'-O-demethylbidwillol B substantially inhibited NO production in BV-2 microglial cells. In addition, 8-prenylnaringenin showed weak cytotoxicity with an IC50 value of 9.13 μM. This is the first report of PTP1B inhibitory activity for a coumaronochromone.
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Affiliation(s)
- Cai-Ying Liu
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Pan Deng
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Bin Wang
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Ai-Hong Liu
- Center of Analysis and Testing, Nanchang University, Nanchang, 330047, People's Republic of China
| | - Meng-Ge Wang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Song-Wei Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, People's Republic of China
| | - Li-Li Chen
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Shui-Chun Mao
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China.
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30
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Ji C, Song Z, Tian Z, Feng Z, Fan L, Shou C, Zhao M. Enantioselectivity in the toxicological effects of chiral pesticides: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159656. [PMID: 36280076 DOI: 10.1016/j.scitotenv.2022.159656] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
As a special category of pesticides, chiral pesticides have increased the difficulty in investigating pesticide toxicity. Based on their usage, chiral pesticides can be divided into insecticides, herbicides, and fungicides. Over the past decades, great efforts have been made on elucidating their toxicological effects. However, no literature has reviewed the enantioselective toxicity of chiral pesticides since 2014. In recent years, more chiral pesticides have been registered for application. As such, huge research progresses have been achieved in enantioselective toxicity of chiral pesticides. Generally, more researches have remedied the knowledge gap in toxicological effects of old and new chiral pesticides. And the toxicological endpoints being evaluated have become more specific rather than centering on basic toxicity and target organisms. Besides, the underlying mechanisms accounting for the enantioselectivity in toxicological effects of chiral pesticides have been discussed as well. All in all, this review provides the critical knowledge for risk assessments, and help to drive the green-technology of single- or enriched-enantiomer pesticides and formulation of relevant laws and regulations.
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Affiliation(s)
- Chenyang Ji
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Zhongdi Song
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Zhongling Tian
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Zixuan Feng
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Lele Fan
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Chenfei Shou
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
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Han Z, Wang F, Sun J, Wang X, Tang Z. Recent Advances in Ultrathin Chiral Metasurfaces by Twisted Stacking. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206141. [PMID: 36284479 DOI: 10.1002/adma.202206141] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Artificial chiral nanostructures have been subjected to extensive research for their unique chiroptical activities. Planarized chiral films of ultrathin thicknesses are in particular demand for easy on-chip integration and improved energy efficiency as polarization-sensitive metadevices. Recently, controlled twisted stacking of two or more layers of nanomaterials, such as 2D van der Waals materials, ultrathin films, or traditional metasurfaces, at an angle has emerged as a general strategy to introduce optical chirality into achiral solid-state systems. This method endows new degrees of freedom, e.g., the interlayer twist angle, to flexibly engineer and tune the chiroptical responses without having to change the material or the design, thus greatly facilitating the development of multifunctional metamaterials. In this review, recent exciting progress in planar chiral metasurfaces are summarized and discussed from the viewpoints of building blocks, fabrication methods, as well as circular dichroism and modulation thereof in twisted stacked nanostructures. The review further highlights the ever-growing portfolio of applications of these chiral metasurfaces, including polarization conversion, information encryption, chiral sensing, and as an engineering platform for hybrid metadevices. Finally, forward-looking prospects are provided.
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Affiliation(s)
- Zexiang Han
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
| | - Fei Wang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
| | - Juehan Sun
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
| | - Xiaoli Wang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhiyong Tang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Aydin V, Bahar A, Vizdiklar C, Akici A. The association of chiral characteristic with drug withdrawal due to safety: A comparative analysis. Br J Clin Pharmacol 2023; 89:290-298. [PMID: 35942905 DOI: 10.1111/bcp.15486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 07/17/2022] [Accepted: 08/03/2022] [Indexed: 11/26/2022] Open
Abstract
AIMS Chirality of drugs might be associated with safety issues through pharmacokinetic or pharmacodynamic variations, interactions, or direct toxicological responses. We aimed to compare chiral status of the available drugs to that of drugs withdrawn due to adverse drug reactions (ADRs). METHODS We searched the literature regarding withdrawn drugs due to safety-related issues (n = 391) to compare them with all available small-molecule drugs (n = 1633). We examined their chiral status and assigned as achiral compound, chiral mixture or pure enantiomer. We compared the mean survival (i.e., nonwithdrawal) time and withdrawal rates of drugs by their chirality, with further stratification by the launch year, ATC-1 (Anatomical Therapeutic Chemical) level and ADR. RESULTS We identified higher withdrawal rate in achiral drugs (hazard ratio 2.1, 95% CI: 1.6-2.7) and chiral mixtures (hazard ratio 2.6, 95% CI: 1.9-3.5) compared to that in pure enantiomers. Pure enantiomers had the longest mean survival time (62.4 ± 0.8 years), followed by achiral drugs (55.4 ± 0.9 years, P < .01) and chiral mixtures (52.4 ± 1.4 years, P < .01). Pure enantiomers had higher survival rates than chiral mixtures if launched before 1941 (P = .02), in 1961-1980 (P < .001) or 1981-2000 (P < .001). Pure enantiomers had lower withdrawal rate (18.2%) vs. chiral mixtures (35.1%, P = .02) in nervous system drugs. Pure enantiomers had lower withdrawal rate than chiral mixtures in hepatotoxic (P < .01) and cardiovascular ADRs (P < .01). CONCLUSION Our study showed lower likelihood of withdrawal for pure enantiomers compared to that in chiral mixtures and achiral drugs, which was more remarkable for those launched in certain time periods and several ADRs, including hepatotoxicity and cardiovascular toxicity.
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Affiliation(s)
- Volkan Aydin
- Department of Medical Pharmacology, International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Ayfer Bahar
- Department of Medical Pharmacology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Caner Vizdiklar
- Department of Medical Pharmacology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Ahmet Akici
- Department of Medical Pharmacology, School of Medicine, Marmara University, Istanbul, Turkey
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Reyes E, Prieto L, Milelli A. Asymmetric Organocatalysis: A Survival Guide to Medicinal Chemists. Molecules 2022; 28:271. [PMID: 36615465 PMCID: PMC9822454 DOI: 10.3390/molecules28010271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/16/2022] [Accepted: 12/21/2022] [Indexed: 12/30/2022] Open
Abstract
Majority of drugs act by interacting with chiral counterparts, e.g., proteins, and we are, unfortunately, well-aware of how chirality can negatively impact the outcome of a therapeutic regime. The number of chiral, non-racemic drugs on the market is increasing, and it is becoming ever more important to prepare these compounds in a safe, economic, and environmentally sustainable fashion. Asymmetric organocatalysis has a long history, but it began its renaissance era only during the first years of the millennium. Since then, this field has reached an extraordinary level, as confirmed by the awarding of the 2021 Chemistry Nobel Prize. In the present review, we wish to highlight the application of organocatalysis in the synthesis of enantio-enriched molecules that may be of interest to the pharmaceutical industry and the medicinal chemistry community. We aim to discuss the different activation modes observed for organocatalysts, examining, for each of them, the generally accepted mechanisms and the most important and developed reactions, that may be useful to medicinal chemists. For each of these types of organocatalytic activations, select examples from academic and industrial applications will be disclosed during the synthesis of drugs and natural products.
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Affiliation(s)
- Efraim Reyes
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), 48080 Bilbao, Spain
| | - Liher Prieto
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), 48080 Bilbao, Spain
| | - Andrea Milelli
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso d’Augusto 237, 47921 Rimini, Italy
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Zhang YZ, Xu MM, Si XG, Hou JL, Cai Q. Enantioselective Synthesis of Inherently Chiral Calix[4]arenes via Palladium-Catalyzed Asymmetric Intramolecular C–H Arylations. J Am Chem Soc 2022; 144:22858-22864. [DOI: 10.1021/jacs.2c10606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yu-Zhen Zhang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Meng-Meng Xu
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Xu-Ge Si
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Jun-Li Hou
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Quan Cai
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
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Abstract
Creating, conserving and modifying the stereochemistry of organic compounds has been the subject of significant research efforts in synthetic chemistry. Most synthetic routes are designed according to the stereoselectivity-determining step. Stereochemical editing is an alternative strategy, wherein the chiral-defining or geometry-defining steps are independent of the construction of the major scaffold or complexity. It enables late-stage alterations of stereochemistry and can generate isomers from a single compound. However, in many instances, stereochemical editing processes are contra-thermodynamic, meaning the transformation is unfavourable. To overcome this barrier, photocatalysis uses photogenerated radical species and introduces thermochemical biases. A range of synthetically valuable contra-thermodynamic stereochemical editing processes have been invented, including deracemization of chiral molecules, positional alkene isomerization and dynamic epimerization of sugars and diols. In this Review, we highlight the fundamental mechanisms of visible-light photocatalysis and the general reactivity modes of the photogenerated radical intermediates towards contra-thermodynamic stereochemical editing processes.
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Orlandini S, Hancu G, Szabó ZI, Modroiu A, Papp LA, Gotti R, Furlanetto S. New Trends in the Quality Control of Enantiomeric Drugs: Quality by Design-Compliant Development of Chiral Capillary Electrophoresis Methods. Molecules 2022; 27:7058. [PMID: 36296650 PMCID: PMC9607418 DOI: 10.3390/molecules27207058] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/14/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022] Open
Abstract
Capillary electrophoresis (CE) is a potent method for analyzing chiral substances and is commonly used in the enantioseparation and chiral purity control of pharmaceuticals from different matrices. The adoption of Quality by Design (QbD) concepts in analytical method development, optimization and validation is a widespread trend observed in various analytical approaches including chiral CE. The application of Analytical QbD (AQbD) leads to the development of analytical methods based on sound science combined with risk management, and to a well understood process clarifying the influence of method parameters on the analytical output. The Design of Experiments (DoE) method employing chemometric tools is an essential part of QbD-based method development, allowing for the simultaneous evaluation of experimental parameters as well as their interaction. In 2022 the International Council for Harmonization (ICH) released two draft guidelines (ICH Q14 and ICH Q2(R2)) that are intended to encourage more robust analytical procedures. The ICH Q14 guideline intends to harmonize the scientific approaches for analytical procedures' development, while the Q2(R2) document covers the validation principles for the use of analytical procedures including the recent applications that require multivariate statistical analyses. The aim of this review is to provide an overview of the new prospects for chiral CE method development applied for the enantiomeric purity control of pharmaceuticals using AQbD principles. The review also provides an overview of recent research (2012-2022) on the applicability of CE methods in chiral drug impurity profiling.
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Affiliation(s)
- Serena Orlandini
- Department of Chemistry “U. Schiff”, University of Florence, 50019 Florence, Italy
| | - Gabriel Hancu
- Department of Pharmaceutical and Therapeutic Chemistry, Faculty of Pharmacy, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Zoltán-István Szabó
- Department of Pharmaceutical Industry and Management, Faculty of Pharmacy, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Adriana Modroiu
- Department of Pharmaceutical and Therapeutic Chemistry, Faculty of Pharmacy, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Lajos-Attila Papp
- Department of Pharmaceutical and Therapeutic Chemistry, Faculty of Pharmacy, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Roberto Gotti
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Sandra Furlanetto
- Department of Chemistry “U. Schiff”, University of Florence, 50019 Florence, Italy
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37
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Jung W, Kwon J, Cho W, Yeom J. Chiral Biomaterials for Nanomedicines: From Molecules to Supraparticles. Pharmaceutics 2022; 14:pharmaceutics14091951. [PMID: 36145699 PMCID: PMC9505685 DOI: 10.3390/pharmaceutics14091951] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/29/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Chirality, the property whereby an object or a system cannot be superimposed on its mirror image, prevails amongst nature over various scales. Especially in biology, numerous chiral building blocks and chiral-specific interactions are involved in many essential biological activities. Despite the prevalence of chirality in nature, it has been no longer than 70 years since the mechanisms of chiral-specific interactions drew scientific attention and began to be studied. Owing to the advent of chiral-sensitive equipment such as circular dichroism spectrometers or chiral liquid columns for chromatography, it has recently been possible to achieve a deeper understanding of the chiral-specific interactions and consequential impacts on the functionality and efficiency of nanomedicine. From this point of view, it is worthwhile to examine previously reported chiral biomaterials with their compositions and possible applications to achieve new paradigms of biomaterials. This review discusses chiral materials on various scales and their biological applications.
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Affiliation(s)
- Wookjin Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Junyoung Kwon
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Wonjoon Cho
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Jihyeon Yeom
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Institute for NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Correspondence:
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Bhaskararao B, Rotella ME, Kim DY, Kee JM, Kim KS, Kozlowski MC. Ir and NHC Dual Chiral Synergetic Catalysis: Mechanism and Stereoselectivity in γ-Butyrolactone Formation. J Am Chem Soc 2022; 144:16171-16183. [PMID: 36006026 PMCID: PMC9620864 DOI: 10.1021/jacs.2c07376] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cooperative dual catalysis is a powerful strategy for achieving unique reactivity by combining catalysts with orthogonal modes of action. This approach allows for independent control of the absolute and relative stereochemistry of the product. Despite its potential utility, the combination of N-heterocyclic carbene (NHC) organocatalysis and transition metal catalysis has remained a formidable challenge as NHCs readily coordinate metal centers. This characteristic also makes it difficult to rationalize or predict the stereochemical outcomes of these reactions. Herein, we use quantum mechanical calculations to investigate formation of γ-butyrolactones from aldehydes and allyl cyclic carbonates by means of an NHC organocatalyst and an iridium catalyst. Stereoconvergent activation of the racemic allyl cyclic carbonate forms an Ir-π-allyl intermediate and activation of an unsaturated aldehyde forms an NHC enolate, the latter of which is rate-limiting. Union of the two fragments leads to stereodetermining C-C bond formation and ultimately ring closure to generate the product lactone. Notably, CO2 loss occurs after formation of the C-C bond and Et3NH+ plays a key role in stabilizing carboxylate intermediates and in facilitating proton transfer to form the NHC enolate. The computed pathways agree with the experimental findings in terms of the absolute configuration, the enantiomer excess, and the different diastereomers seen with the (R)- and (S)-spiro-phosphoramidite combined with the NHC catalyst. Calculations reveal the lowest energy pathway includes both an NHC ligand and a phosphoramidite ligand on the iridium center. However, the stereochemical features of this Ir-bound NHC were found to not contribute to the selectivity of the process.
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Affiliation(s)
- Bangaru Bhaskararao
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Madeline E. Rotella
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Dong Yeon Kim
- Center for Superfunctional Materials, Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Jung-Min Kee
- Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Kwang Soo Kim
- Center for Superfunctional Materials, Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Marisa C. Kozlowski
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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El Housseini W, Lapicque F, Pontvianne S, Vilà N, Mazurenko I, Walcarius A, Etienne M. Hybrid flow bioreactor with all catalysts immobilized for enzymatic electrosynthesis. ChemElectroChem 2022. [DOI: 10.1002/celc.202200463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | | | - Neus Vilà
- Université de Lorraine: Universite de Lorraine LCPME FRANCE
| | | | - Alain Walcarius
- CNRS: Centre National de la Recherche Scientifique LCPME FRANCE
| | - Mathieu Etienne
- Centre National de la Recherche Scientifique LCPME 405, rue de Vandoeuvre 54600 Villers-les-Nancy FRANCE
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40
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Lin HT, Hsu YY, Cheng PJ, Wang WT, Chang SW, Shih MH. In situ tunable circular dichroism of flexible chiral metasurfaces composed of plasmonic nanorod trimers. NANOSCALE ADVANCES 2022; 4:2428-2434. [PMID: 36134130 PMCID: PMC9418018 DOI: 10.1039/d2na00144f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/13/2022] [Indexed: 06/16/2023]
Abstract
The circularly polarized light source is one of the keys to chiral photonic circuits and systems. However, it is difficult to integrate conventional light-emitting devices with circular polarization converters directly into compact chip-scale photonic systems partly because of their bulky structures. In this study, in situ optical chirality tunable nanorod trimer metasurfaces consisting of two types of nanorod dimers are demonstrated and integrated with a flexible polydimethylsiloxane (PDMS) substrate. The optical chirality variations originating from the tunable asymmetricity of nanorod trimers under different stretching scenarios are evaluated. Through the processes, the gap distances between nanorods are varied, and the degree of circular polarization of the transmitted wave is controlled through the manipulation of localized surface plasmon resonance (LSPR) coupling. The results reveal the circular dichroism tunability and durability of fabricated chiral metasurfaces which can be important elements for chip-scale flexible optoelectronic integrated circuits for sensing, display and communication applications.
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Affiliation(s)
- Hsiang-Ting Lin
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
| | - Yao-Yu Hsu
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
- Department of Photonics and Institute of Electro-Optical Engineering, National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan
| | - Pi-Ju Cheng
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
| | - Wei-Ting Wang
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
| | - Shu-Wei Chang
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
- Department of Photonics and Institute of Electro-Optical Engineering, National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan
| | - Min-Hsiung Shih
- Research Center for Applied Sciences, Academia Sinica Taipei 11529 Taiwan
- Department of Photonics and Institute of Electro-Optical Engineering, National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan
- Department of Photonics, National Sun Yat-sen University Kaohsiung 80424 Taiwan
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41
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Zhong H, Zeng Q, Huang Z, Li L. Preparation and Evaluation of a Ferrocenediamide Bridge bis(β-Cyclodextrin)-Bonded Chiral Stationary Phase for HPLC. Chromatographia 2022. [DOI: 10.1007/s10337-022-04171-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Williams JD, Pöchlauer P, Okumura Y, Inami Y, Kappe CO. Photochemical Deracemization of a Medicinally-Relevant Benzopyran using an Oscillatory Flow Reactor. Chemistry 2022; 28:e202200741. [PMID: 35293645 PMCID: PMC9321886 DOI: 10.1002/chem.202200741] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Indexed: 12/12/2022]
Abstract
Dynamic deracemization processes, such as crystallization-induced diastereomer transformations (CIDTs), offer the opportunity to combine racemization and resolution processes, to provide high yields of enantiomerically pure compounds. To date, few of these processes have incorporated photochemical racemization. By combining batch crystallization with a flow photoreactor for efficient irradiation, it is possible to perform such deracemization in an effective, scalable and high yielding manner. After applying design of experiment (DoE) principles and mathematical modelling, the most efficient parameter set could be identified, leading to excellent results in just 4 h reaction time: isolated yield of 82 % and assay ee of 96 %. Such photochemical racemization methods can serve to open new avenues for preparation of enantiomerically pure functional molecules on both small and industrially-relevant scales.
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Affiliation(s)
- Jason D Williams
- Center for Continuous Flow Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010, Graz, Austria.,Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010, Graz, Austria
| | - Peter Pöchlauer
- Thermo Fisher Scientific Linz, St.-Peter-Straße 25, 4020, Linz, Austria
| | - Yoshiyuki Okumura
- R&D and Business Promotion, AskAt Inc. 2F Dai-Tokai Building, 3-22-8 Meieki Nakamura-ku Nagoya, Aichi, 450-0002, Japan
| | - Yukari Inami
- R&D and Business Promotion, AskAt Inc. 2F Dai-Tokai Building, 3-22-8 Meieki Nakamura-ku Nagoya, Aichi, 450-0002, Japan
| | - C Oliver Kappe
- Center for Continuous Flow Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010, Graz, Austria.,Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010, Graz, Austria
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43
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Expanding Access to Optically Active Non-Steroidal Anti-Inflammatory Drugs via Lipase-Catalyzed KR of Racemic Acids Using Trialkyl Orthoesters as Irreversible Alkoxy Group Donors. Catalysts 2022. [DOI: 10.3390/catal12050546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Studies into the enzymatic kinetic resolution (EKR) of 2-arylpropanoic acids (‘profens’), as the active pharmaceutical ingredients (APIs) of blockbuster non-steroidal anti-inflammatory drugs (NSAIDs), by using various trialkyl orthoesters as irreversible alkoxy group donors in organic media, were performed. The enzymatic reactions of target substrates were optimized using several different immobilized preparations of lipase type B from the yeast Candida antarctica (CAL-B). The influence of crucial parameters, including the type of enzyme and alkoxy agent, as well as the nature of the organic co-solvent and time of the process on the conversion and enantioselectivity of the enzymatic kinetic resolution, is described. The optimal EKR procedure for the racemic profens consisted of a Novozym 435-STREM lipase preparation suspended in a mixture of 3 equiv of trimethyl or triethyl orthoacetate as alkoxy donor and toluene or n-hexane as co-solvent, depending on the employed racemic NSAIDs. The reported biocatalytic system provided optically active products with moderate-to-good enantioselectivity upon esterification lasting for 7–48 h, with most promising results in terms of enantiomeric purity of the pharmacologically active enantiomers of title APIs obtained on the analytical scale for: (S)-flurbiprofen (97% ee), (S)-ibuprofen (91% ee), (S)-ketoprofen (69% ee), and (S)-naproxen (63% ee), respectively. In turn, the employment of optimal conditions on a preparative-scale enabled us to obtain the (S)-enantiomers of: flurbiprofen in 28% yield and 97% ee, ibuprofen in 45% yield and 56% ee, (S)-ketoprofen in 23% yield and 69% ee, and naproxen in 42% yield and 57% ee, respectively. The devised method turned out to be inefficient toward racemic etodolac regardless of the lipase and alkoxy group donor used, proving that it is unsuitable for carboxylic acids possessing tertiary chiral centers.
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Hirose D, Ogino K, Uematsu K, Maeda K. Enantioseparation on Helical Poly(diphenylacetylene)s Bearing Optically-Active Pendants: Effects of Differences in Higher-Order Structures of Kinetically-Trapped and Thermodynamically-Stable States on Chiral Recognition Ability. J Chromatogr A 2022; 1675:463164. [DOI: 10.1016/j.chroma.2022.463164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/15/2022] [Accepted: 05/19/2022] [Indexed: 10/18/2022]
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Jia W, Hu C, Wang Y, Liu Y, Wang L, Zhang S, Zhu Q, Gu Y, Zhang P, Ma J, Chen HY, Huang S. Identification of Single-Molecule Catecholamine Enantiomers Using a Programmable Nanopore. ACS NANO 2022; 16:6615-6624. [PMID: 35394745 DOI: 10.1021/acsnano.2c01017] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Enantiomers, chiral isomers with opposite chirality, typically demonstrate differences in their pharmacological activity, metabolism, and toxicity. However, direct discrimination between enantiomers is challenging due to their similar physiochemical properties. Following the strategy of programmable nanoreactors for stochastic sensing (PNRSS), introduction of phenylboronic acid (PBA) to a Mycobacterium smegmatis porin A (MspA) assists in the identification of the enantiomers of norepinephrine and epinephrine. Using a machine learning algorithm, identification of the enantiomers has been achieved with an accuracy of 98.2%. The enantiomeric excess (ee) of a mixture of enantiomeric catecholamines was measured to determine the enantiomeric purity. This sensing strategy is a faster method for the determination of ee values than liquid chromatography-mass spectrometry and is useful as a quality control in the industrial production of enantiomeric drugs.
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Affiliation(s)
- Wendong Jia
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Chengzhen Hu
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Yuqin Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Yao Liu
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Liying Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Shanyu Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
| | - Qiang Zhu
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Yuming Gu
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Panke Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Jing Ma
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Shuo Huang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023 Nanjing, China
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Roskam G, van de Velde B, Gargano A, Kohler I. Supercritical Fluid Chromatography for Chiral Analysis, Part 1: Theoretical Background. LCGC EUROPE 2022. [DOI: 10.56530/lcgc.eu.ou1980m2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The quantification of the enantiomers of racemic substances is of great importance in the development and regulation of pharmaceutical compounds. Active ingredients are often chiral; typically, only one of the stereoisomers has the desired pharmacokinetic and/or pharmacodynamic properties. Therefore, the stereoisomer distribution of chiral drug products must be characterized and evaluated during the drug discovery and development pipeline. Moreover, various chiral drugs present a stereoselective metabolism, highlighting the need for appropriate analytical strategies for the stereoselective analysis of metabolites, for example, in clinical and environmental studies. Due to its ease of use, robustness, and transferability, chiral liquid chromatography (LC) is the most common approach used in pharmaceutical analysis. Compared with LC, supercritical fluid chromatography (SFC) allows higher linear flow velocities while maintaining high chromatographic efficiency, often enabling the reduction of analysis time. In addition, SFC provides enhanced or complementary chiral selectivity and avoids or reduces toxic solvents, such as those used in normal-phase LC. In the first part of this review article the theoretical advantages, technological developments, and common practices in chiral SFC are discussed. This will be followed by a contribution discussing recent applications in pharmaceutical, clinical, forensic, and environmental analysis.
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Affiliation(s)
- Gerry Roskam
- Centre for Analytical Sciences Amsterdam, Amsterdam, Netherlands; Division of BioAnalytical Chemistry, Amsterdam Institute of Molecular and Life Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands; van ‘t Hoff Institute for Molecular Science, University of Amsterdam, Amsterdam, Netherlands
| | - Bas van de Velde
- Centre for Analytical Sciences Amsterdam, Amsterdam, Netherlands; Division of BioAnalytical Chemistry, Amsterdam Institute of Molecular and Life Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Andrea Gargano
- Centre for Analytical Sciences Amsterdam, Amsterdam, Netherlands; van ‘t Hoff Institute for Molecular Science, University of Amsterdam, Amsterdam, Netherlands
| | - Isabelle Kohler
- Centre for Analytical Sciences Amsterdam, Amsterdam, Netherlands; Division of BioAnalytical Chemistry, Amsterdam Institute of Molecular and Life Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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Hancu G, Modroiu A. Chiral Switch: Between Therapeutical Benefit and Marketing Strategy. Pharmaceuticals (Basel) 2022; 15:ph15020240. [PMID: 35215352 PMCID: PMC8877306 DOI: 10.3390/ph15020240] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/13/2022] [Accepted: 02/16/2022] [Indexed: 11/16/2022] Open
Abstract
Chirality of pharmaceutical substances is an important aspect in drug research because it determines how enantiomers will interact with chiral biological targets. Enantiomers of a chiral drug can have different pharmacokinetic and pharmacological profiles; consequently, using a single pure enantiomer instead of a racemate can enhance the effectiveness and/or safety of the treatment. The tendencies of modern pharmaceutical industry regarding the current market of chiral drugs are divided between the chiral switch of previously used racemates and the development of new enantiopure drugs. The term chiral switch refers to the replacement on the market of a previously approved racemate with its single enantiomer version. The potential advantages of chiral switch can be related to a higher therapeutic index due to better potency, selectivity and fewer adverse effects, faster onset of action and exposure of the patient to lower drug dosages. However, chiral switch is also a strategy that permits manufacturers to keep market exclusivity for chiral pharmaceuticals that have lost their patent protection, even if the pure enantiomers have not demonstrated higher effectiveness or safety profile compared with the racemates.
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Li Z, Kang L, Lord RW, Park K, Gillman A, Vaia RA, Schaak RE, Werner DH, Knappenberger KL. Plasmon-Mediated Chiroptical Second Harmonic Generation from Seemingly Achiral Gold Nanorods. ACS NANOSCIENCE AU 2022; 2:32-39. [PMID: 37101517 PMCID: PMC10114620 DOI: 10.1021/acsnanoscienceau.1c00014] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Throughout nature, simple rules explain complex phenomena, such as the selective interaction of chiral objects with circularly polarized light. Here, we demonstrate chiroptical signals from gold nanorods, which are seemingly achiral structures. Shape anisotropy due to atomic-level faceting and rounding at the tips of nanorods, which are free of chiral surface ligands, induces linear-to-circular polarization modulation during second harmonic generation. The intrinsic nanorod chiroptical response is increased by plasmon-resonant excitation, which preferentially amplifies circularly polarized harmonic signals. This structure-plasmon interplay is uniquely resolved by polarization-resolved second harmonic generation measurements. The material's second-order polarizability is the product of the structure-dependent lattice-normal susceptibility and local surface plasmon field vectors. Synthetically scalable plasmon-supporting nanorods that amplify small circular dichroism signals provide a simple, assembly-free platform for chiroptical transduction.
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Affiliation(s)
- Zehua Li
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Lei Kang
- Department
of Electrical Engineering and Center for Nanoscale Science, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Robert W. Lord
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Kyoungweon Park
- Air
Force Research Laboratory, 2941 Hobson Way, Wright-Patterson Air Force
Base, Ohio 45433, United States
| | - Andrew Gillman
- Air
Force Research Laboratory, 2941 Hobson Way, Wright-Patterson Air Force
Base, Ohio 45433, United States
| | - Richard A. Vaia
- Air
Force Research Laboratory, 2941 Hobson Way, Wright-Patterson Air Force
Base, Ohio 45433, United States
| | - Raymond E. Schaak
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
- Department
of Chemical Engineering, The Pennsylvania
State University, University Park, Pennsylvania 16802, United States
| | - Douglas H. Werner
- Department
of Electrical Engineering and Center for Nanoscale Science, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Kenneth L. Knappenberger
- Department
of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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James Singh K, Ciou HH, Chang YH, Lin YS, Lin HT, Tsai PC, Lin SY, Shih MH, Kuo HC. Optical Mode Tuning of Monolayer Tungsten Diselenide (WSe 2) by Integrating with One-Dimensional Photonic Crystal through Exciton-Photon Coupling. NANOMATERIALS 2022; 12:nano12030425. [PMID: 35159765 PMCID: PMC8839532 DOI: 10.3390/nano12030425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023]
Abstract
Two-dimensional materials, such as transition metal dichalogenides (TMDs), are emerging materials for optoelectronic applications due to their exceptional light-matter interaction characteristics. At room temperature, the coupling of excitons in monolayer TMDs with light opens up promising possibilities for realistic electronics. Controlling light-matter interactions could open up new possibilities for a variety of applications, and it could become a primary focus for mainstream nanophotonics. In this paper, we show how coupling can be achieved between excitons in the tungsten diselenide (WSe2) monolayer with band-edge resonance of one-dimensional (1-D) photonic crystal at room temperature. We achieved a Rabi splitting of 25.0 meV for the coupled system, indicating that the excitons in WSe2 and photons in 1-D photonic crystal were coupled successfully. In addition to this, controlling circularly polarized (CP) states of light is also important for the development of various applications in displays, quantum communications, polarization-tunable photon source, etc. TMDs are excellent chiroptical materials for CP photon emitters because of their intrinsic circular polarized light emissions. In this paper, we also demonstrate that integration between the TMDs and photonic crystal could help to manipulate the circular dichroism and hence the CP light emissions by enhancing the light-mater interaction. The degree of polarization of WSe2 was significantly enhanced through the coupling between excitons in WSe2 and the PhC resonant cavity mode. This coupled system could be used as a platform for manipulating polarized light states, which might be useful in optical information technology, chip-scale biosensing and various opto-valleytronic devices based on 2-D materials.
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Affiliation(s)
- Konthoujam James Singh
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
| | - Hao-Hsuan Ciou
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Ya-Hui Chang
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Yen-Shou Lin
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Hsiang-Ting Lin
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Po-Cheng Tsai
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Shih-Yen Lin
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
| | - Min-Hsiung Shih
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
- Department of Photonics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Correspondence: (M.-H.S.); (H.-C.K.); Tel.: +886-3-5712121 (H.-C.K.)
| | - Hao-Chung Kuo
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (K.J.S.); (H.-H.C.); (Y.-H.C.); (Y.-S.L.)
- Research Center for Applied Sciences (RCAS), Academia Sinica, Taipei 11529, Taiwan; (H.-T.L.); (P.-C.T.); (S.-Y.L.)
- Correspondence: (M.-H.S.); (H.-C.K.); Tel.: +886-3-5712121 (H.-C.K.)
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