101
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Mangiferin/β-cyclodextrin complex: determination of the Inclusion constant in aqueous solution by Higuchi–Connors method and molecular absorption and photoluminescence UV spectroscopies at pH 3.4. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02381-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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102
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Alam M, Gill AK, Varshney R, Miglani C, Tiwari N, Patra D. Polymer multilayer films regulate macroscopic fluid flow and power microfluidic devices via supramolecular interactions. SOFT MATTER 2022; 18:5605-5614. [PMID: 35861047 DOI: 10.1039/d2sm00510g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Self-powered supramolecular micropumps could potentially provide a solution for powerless microfluidic devices where the fluid flow can be manipulated via modulating non-covalent interactions. An attempt has been made to fabricate thin-film-based micropumps by depositing a β-cyclodextrin ('host') functionalized polymer on a glass slide via layer-by-layer assembly. These supramolecular micropumps turned on the fluid flow upon addition of 'guest' molecules to the multilayer films. The flow velocity was tuned using the concentration of the guest molecules as well as the number of host layers inside the multilayer films. Numerical modelling reveals that the solutal buoyancy, which originates from host-guest complexation, is primarily responsible for the fluid flow. In view of its potential application in self-powered devices, the thin-film-based micropump was integrated into a microfluidic device to show molecular and colloidal transport over long distances.
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Affiliation(s)
- Mujeeb Alam
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India.
| | - Arshdeep Kaur Gill
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India.
| | - Rohit Varshney
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India.
| | - Chirag Miglani
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India.
| | - Naveen Tiwari
- Indian Institute of Technology-Kanpur, Uttar Pradesh 208016, India
| | - Debabrata Patra
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab, 140306, India.
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103
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Peluso P, Chankvetadze B. Recognition in the Domain of Molecular Chirality: From Noncovalent Interactions to Separation of Enantiomers. Chem Rev 2022; 122:13235-13400. [PMID: 35917234 DOI: 10.1021/acs.chemrev.1c00846] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
It is not a coincidence that both chirality and noncovalent interactions are ubiquitous in nature and synthetic molecular systems. Noncovalent interactivity between chiral molecules underlies enantioselective recognition as a fundamental phenomenon regulating life and human activities. Thus, noncovalent interactions represent the narrative thread of a fascinating story which goes across several disciplines of medical, chemical, physical, biological, and other natural sciences. This review has been conceived with the awareness that a modern attitude toward molecular chirality and its consequences needs to be founded on multidisciplinary approaches to disclose the molecular basis of essential enantioselective phenomena in the domain of chemical, physical, and life sciences. With the primary aim of discussing this topic in an integrated way, a comprehensive pool of rational and systematic multidisciplinary information is provided, which concerns the fundamentals of chirality, a description of noncovalent interactions, and their implications in enantioselective processes occurring in different contexts. A specific focus is devoted to enantioselection in chromatography and electromigration techniques because of their unique feature as "multistep" processes. A second motivation for writing this review is to make a clear statement about the state of the art, the tools we have at our disposal, and what is still missing to fully understand the mechanisms underlying enantioselective recognition.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, I-07100 Sassari, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Avenue 3, 0179 Tbilisi, Georgia
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104
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Duan Z, Bian H, Zhu L, Xia D. Efficient removal of thiophenic sulfides from fuel by micro-mesoporous 2-hydroxypropyl-β-cyclodextrin polymers through synergistic effect. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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105
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Salimpour Abkenar S, Mohammad Ali Malek R. A Study on Dye Inclusion Complex, Adsorption, and Kinetic of Silk Floss Sheet Modified with β‐Cyclodextrin as a Biodegradable Adsorbent. STARCH-STARKE 2022. [DOI: 10.1002/star.202200059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Samera Salimpour Abkenar
- Research Center of Traditional Arts Research Institute of Cultural Heritage and Tourism (RICHT) Tehran 1343713411 Iran
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106
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Grimm LM, Spicher S, Tkachenko B, Schreiner PR, Grimme S, Biedermann F. The Role of Packing, Dispersion, Electrostatics, and Solvation in High-Affinity Complexes of Cucurbit[n]urils with Uncharged Polar Guests. Chemistry 2022; 28:e202200529. [PMID: 35612260 PMCID: PMC9401061 DOI: 10.1002/chem.202200529] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Indexed: 12/21/2022]
Abstract
The rationalization of non‐covalent binding trends is both of fundamental interest and provides new design concepts for biomimetic molecular systems. Cucurbit[n]urils (CBn) are known for a long time as the strongest synthetic binders for a wide range of (bio)organic compounds in water. However, their host‐guest binding mechanism remains ambiguous despite their symmetric and simple macrocyclic structure and the wealth of literature reports. We herein report experimental thermodynamic binding parameters (ΔG, ΔH, TΔS) for CB7 and CB8 with a set of hydroxylated adamantanes, di‐, and triamantanes as uncharged, rigid, and spherical/ellipsoidal guests. Binding geometries and binding energy decomposition were obtained from high‐level theory computations. This study reveals that neither London dispersion interactions, nor electronic energies or entropic factors are decisive, selectivity‐controlling factors for CBn complexes. In contrast, peculiar host‐related solvation effects were identified as the major factor for rationalizing the unique behavior and record‐affinity characteristics of cucurbit[n]urils.
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Affiliation(s)
- Laura M Grimm
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Sebastian Spicher
- Mulliken Center for Theoretical Chemistry, Institute of Physical and Theoretical Chemistry, University of Bonn, Beringstraße 4, 53115, Bonn, Germany
| | - Boryslav Tkachenko
- Institute of Organic Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
| | - Peter R Schreiner
- Institute of Organic Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, Institute of Physical and Theoretical Chemistry, University of Bonn, Beringstraße 4, 53115, Bonn, Germany
| | - Frank Biedermann
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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107
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Polyoxometalate‐Surfactant Assemblies: Responsiveness to Orthogonal Stimuli. Angew Chem Int Ed Engl 2022; 61:e202203741. [DOI: 10.1002/anie.202203741] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 11/07/2022]
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108
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Hoffmann N. Heterocyclic Compounds in Enantioselective Photochemical Reactions. HETEROCYCLES 2022. [DOI: 10.1002/9783527832002.ch1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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109
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Supramolecular nylon-based actuators with a high work efficiency based on host–guest complexation and the mechanoisomerization of azobenzene. Polym J 2022. [DOI: 10.1038/s41428-022-00666-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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110
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Mizuno H, Fukuhara G. Solution-State Hydrostatic Pressure Chemistry: Application to Molecular, Supramolecular, Polymer, and Biological Systems. Acc Chem Res 2022; 55:1748-1762. [PMID: 35657708 DOI: 10.1021/acs.accounts.2c00176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
ConspectusPressure (P), as one of the most inherent state quantities, has become an academic subject of study and has attracted attention for a long time for the minute control of reaction equilibria and rates, not only in the gas phase, based on the gas state equation, but also in the solution state. In the latter case, the pressure applied to the solutions is classified as hydrostatic pressure, which is a type of isotropic mechanical force. For instance, deep-sea organisms are exposed to hydrostatic pressure environments of up to 100 MPa, implying that hydrostatic pressurization plays a role in homeostatic functions at physiological levels. The pressure control of such complicated biological behavior can be addressed by thermodynamics or kinetics. In fact, the spontaneity (ΔG) of a reaction that is governed by weak interactions (approximately 10 kcal/mol), such as electrostatic, van der Waals, hydrophobic, hydrogen bonding, and π-π stacking, is determined by the exquisite balance of enthalpy (ΔH) and entropy changes (ΔS), in accordance with the fundamental thermodynamic equation ΔG = ΔH - TΔS. The mutually correlated ΔH-ΔS relationship is known as the enthalpy-entropy compensation law, in which a more negative enthalpic change (more exothermic) causes further entropic loss based on a more negative entropy change. Namely, changing the temperature (T) as the state quantity, except for P, is highly likely to be equal to controlling the entropy term. The solution-state entropy term is relatively vague, mainly based on solvation, and thus unpredictable, even using high-cost quantum mechanical calculations because of the vast number of solvation molecules. Hence, such entropy control is not always feasible and must be demonstrated on a trial-and-error basis. Furthermore, the above-mentioned equation can be rearranged as ΔG = ΔF + PΔV, enabling us to control solution-state reactions by simply changing P as hydrostatic pressure based on the volume change (ΔV). The volume term is strongly relevant to conformational changes, solvation changes, and molecular recognition upon complexation and thus is relatively predictable, that is, volumetrically compact or not, compared to the complicated entropy term. These extrathermodynamic and kinetic observations prompted us to use hydrostatic pressure as a controlling factor over a long period. Hydrostatic pressure chemistry in the solution phase has developed over the past six decades and then converged and passed the fields of mechanochemistry and mechanobiology, which are new but challenging and current hot topics in multidisciplinary science. In this Account, we fully summarize our achievements in solution-state hydrostatic pressure chemistry for smart/functional molecular, supramolecular, polymer, and biological systems. We hope that the phenomena, mechanistic outcomes, and methodologies that we introduced herein for hydrostatic-pressure-controlling dynamics can provide guidance for both theoretical and experimental chemists working in supramolecular and (bio)macromolecular chemistry, mechanoscience, materials science, and technology.
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Affiliation(s)
- Hiroaki Mizuno
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Gaku Fukuhara
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
- JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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111
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Synthesis and optical properties of linear and branched styrylpyridinium dyes in different environments. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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112
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Wang Y, Wu H, Hu W, Stoddart JF. Color-Tunable Supramolecular Luminescent Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2105405. [PMID: 34676928 DOI: 10.1002/adma.202105405] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/26/2021] [Indexed: 06/13/2023]
Abstract
Constructing multicolor photoluminescent materials with tunable properties is an attractive research objective on account of their abundant applications in materials science and biomedical engineering. By comparison with covalent synthesis, supramolecular chemistry has provided a more competitive and promising strategy for the production of organic materials and the regulation of their photophysical properties. By taking advantage of dynamic and reversible noncovalent bonding interactions, supramolecular strategies can, not only simplify the design and fabrication of organic materials, but can also endow them with dynamic reversibility and stimuli responsiveness, making it much easier to adjust the superstructures and properties of the materials. Occasionally, it is possible to introduce emergent properties into these materials, which are absent in their precursor compounds, broadening their potential applications. In an attempt to highlight the state-of-the-art noncovalent strategies available for the construction of smart luminescent materials, an overview of color-tunable materials is presented in this Review, with the emphasis being placed on the examples drawn from host-guest complexes, supramolecular assemblies and crystalline materials. The noncovalent synthesis of room-temperature phosphorescent materials and the modulation of their luminescent properties are also described. Finally, future directions and scientific challenges in the emergent field of color-tunable supramolecular emissive materials are discussed.
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Affiliation(s)
- Yu Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Huang Wu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Sciences, Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
| | - J Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
- School of Chemistry, University of New South Wales, Sydney, NSW, 2052, Australia
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, China
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113
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Vincent SP, Chen W. Copillar[5]arene Chemistry: Synthesis and Applications. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0040-1738369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractResearch on pillar[n]arenes has witnessed a very quick expansion. This emerging class of functionalized macrocyclic oligoarenes not only offers host–guest properties due to the presence of the central cavity, but also presents a wide variety of covalent functionalization possibilities. This short review focuses on copillararenes, a subfamily of pillar[n]arenes. In copillararenes, at least one of the hydroquinone units bears different functional groups compared to the others. After having defined the particular features of copillararenes, this short review compares the different synthetic strategies allowing their construction. Some key applications and future perspectives are also described. 1 Introduction2 General Features of Pillar[5]arenes3 Synthesis of Functionalized Copillar[4+1]arenes4 Concluding Remarks
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Affiliation(s)
| | - Wenzhang Chen
- Guizhou Provincial Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University
- Department of Chemistry, UNamur, NARILIS
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114
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Yu X, Wan S, Wu W, Yang C, Lu W. γ-Cyclodextrin-based [2]rotaxane stoppered with gold(I)-ethynyl complexation: phosphorescent sensing for nitroaromatics. Chem Commun (Camb) 2022; 58:6284-6287. [PMID: 35550657 DOI: 10.1039/d2cc02256g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A [2]rotaxane is assembled by γ-cyclodextrin (γ-CD) with threaded 1,4-diethynylbiphenyl and bulky Au(I)-phosphine stoppers. The phosphorescence of the [2]rotaxane has been observed in aerated aqueous solution and found to be quenched by nitroaromatics due to γ-CD-based co-binding, providing a sensitive approach towards explosive-sensing.
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Affiliation(s)
- Xingke Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610064, Sichuan, China.
| | - Shigang Wan
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, P. R. China.
| | - Wanhua Wu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610064, Sichuan, China.
| | - Cheng Yang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610064, Sichuan, China.
| | - Wei Lu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, P. R. China.
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115
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Wang R, Lin ZW, Klemes MJ, Ateia M, Trang B, Wang J, Ching C, Helbling DE, Dichtel WR. A Tunable Porous β-Cyclodextrin Polymer Platform to Understand and Improve Anionic PFAS Removal. ACS CENTRAL SCIENCE 2022; 8:663-669. [PMID: 35647288 PMCID: PMC9136966 DOI: 10.1021/acscentsci.2c00478] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Indexed: 05/26/2023]
Abstract
Cross-linked polymers containing β-cyclodextrin (β-CD) are promising adsorbents with demonstrated removal performances for per- and polyfluoroalkyl substances (PFASs) from contaminated water sources. Despite the promising performance of some β-CD-based adsorbents for PFAS removal, many of these materials are not amenable for rational performance improvement or addressing fundamental questions about the PFAS adsorption mechanisms. These ambiguities arise from the poorly defined structure of the cross-linked polymers, especially with respect to the random substitution patterns of the cyclodextrins as well as side reactions that modify the structures of some cross-linkers. Here, we report a new β-CD polymer platform in which styrene groups are covalently attached to β-CD to form a discrete monomer that is amenable to radical polymerization. This monomer was polymerized with styrene and methacrylate comonomers to provide three β-CD polymers with high specific surface areas and high isolated yields (all >93%). A β-CD polymer copolymerized with a methacrylate bearing a cationic functional group achieved nearly 100% removal for eight anionic PFASs (initial concentration of 1 μg/L for each compound) in nanopure water at an exceedingly low adsorbent loading of 1 mg L-1, as compared to previous cyclodextrin polymers that required loadings at least 1 order of magnitude higher to achieve an equivalent degree of PFAS removal. Furthermore, when the adsorbents were studied in a challenging salt matrix, we observed that long-chain PFAS adsorption was controlled by a complementary interplay of hydrophobic and electrostatic interactions, whereas short-chain PFASs primarily relied on electrostatic interactions. This approach demonstrates great promise for anionic PFAS removal, and we anticipate that new compositions will be tailored using the versatility of radical polymerization to simultaneously target PFASs and other classes of micropollutants in the future.
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Affiliation(s)
- Ri Wang
- School
of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Zhi-Wei Lin
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Max J. Klemes
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Mohamed Ateia
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Brittany Trang
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Jieyuan Wang
- School
of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Casey Ching
- School
of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Damian E. Helbling
- School
of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
| | - William R. Dichtel
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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116
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Jopa S, Wójcik J, Ejchart A, Nowakowski M. NMR studies of inclusion complexes: naphthalene and natural cyclodextrins. Phys Chem Chem Phys 2022; 24:13690-13697. [PMID: 35611965 DOI: 10.1039/d2cp01152b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Inclusion complexes of naphthalene (NP) with cyclodextrins (CD) have been investigated so far using non-NMR techniques resulting in inconsistent data. Here, the first application of high-field NMR spectroscopy in combination with a precise analysis of the results has allowed us to determine accurately the stoichiometry of complexes and their association constants. Titration measurements have been performed by 1H NMR spectroscopy in D2O at a magnetic field B0 of 18.8 T. NP and αCD form a 1 : 2 complex in which a single NP molecule is closed in a capsule made up of two αCD macrocycles. NP and βCD build coexisting 2 : 1 and 2 : 2 complexes with large binding constants. Larger γCD host molecules form essentially similar complexes with NP as the βCD but corresponding binding constants are smaller.
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Affiliation(s)
- Sylwia Jopa
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland.
| | - Jacek Wójcik
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5A, 02-106 Warszawa, Poland
| | - Andrzej Ejchart
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5A, 02-106 Warszawa, Poland
| | - Michał Nowakowski
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland.
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117
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Rajaram R, Angaiah S, Lee YR. Polymer supported electrospun nanofibers with supramolecular materials for biological applications – a review. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2075871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Rajamohan Rajaram
- Electro-Materials Research Laboratory, Centre for Nanoscience and Technology, Pondicherry University, Puducherry, India
- School of Chemical Engineering, Yeungnam University, Gyeongson, Republic of Korea
| | - Subramania Angaiah
- Electro-Materials Research Laboratory, Centre for Nanoscience and Technology, Pondicherry University, Puducherry, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongson, Republic of Korea
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118
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Zhang D, Liang W, Yi J, Chen J, Lv Y, Zhao T, Xiao C, Xie X, Wu W, Yang C. Photochemical graft of γ-cyclodextrin’s interior leading to in-situ charge-transfer complexes with unusual regioselectivity and its application in 3D photo-printing. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1233-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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119
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Han X, Li. P, Han Y, Chen C. Enantiomeric Water‐Soluble Octopus[3]arenes for Highly Enantioselective Recognition of Chiral Ammonium Salts in Water. Angew Chem Int Ed Engl 2022; 61:e202202527. [DOI: 10.1002/anie.202202527] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Xiao‐Ni Han
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100084 China
| | - Peng‐Fei Li.
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- Advanced Research Institute of Multidisciplinary Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 100081 China
| | - Ying Han
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Chuan‐Feng Chen
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100084 China
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120
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Recent Advances on Chiral Mobile Phase Additives: A Critical Review. JOURNAL OF ANALYSIS AND TESTING 2022. [DOI: 10.1007/s41664-022-00222-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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121
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Suating P, Ernst NE, Alagbe BD, Skinner HA, Mague JT, Ashbaugh HS, Gibb BC. On the Nature of Guest Complexation in Water: Triggered Wetting-Water-Mediated Binding. J Phys Chem B 2022; 126:3150-3160. [PMID: 35438501 PMCID: PMC9059121 DOI: 10.1021/acs.jpcb.2c00628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/18/2022] [Indexed: 11/30/2022]
Abstract
The complexity of macromolecular surfaces means that there are still many open questions regarding how specific areas are solvated and how this might affect the complexation of guests. Contributing to the identification and classification of the different possible mechanisms of complexation events in aqueous solution, and as part of the recent SAMPL8 exercise, we report here on the synthesis and conformational properties of TEEtOA 2, a cavitand with conformationally flexible ethyl groups at its portal. Using a combination of ITC and NMR spectroscopy, we report the binding affinities of a series of carboxylates to 2 and compare it to a related cavitand TEMOA 1. Additionally, we report MD simulations revealing how the wetting of the pocket of 2 is controlled by the conformation of its rim ethyl groups and, correspondingly, a novel triggered wetting, guest complexation mechanism, whereby the approaching guest opens up the pocket of the host, inducing its wetting and ultimately allows the formation of a hydrated host-guest complex (H·G·H2O). A general classification of complexation mechanisms is also suggested.
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Affiliation(s)
- Paolo Suating
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Nicholas E. Ernst
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Busayo D. Alagbe
- Department
of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Hannah A. Skinner
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Joel T. Mague
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Henry S. Ashbaugh
- Department
of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Bruce C. Gibb
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
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122
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Xia Z, Lin C, Yang Y, Wang Y, Wu Z, Song Y, Russell TP, Shi S. Polyoxometalate‐Surfactant Assemblies: Responsiveness to Orthogonal Stimuli. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhiqin Xia
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Chang‐Gen Lin
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Yang Yang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Yongkang Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Zhanpeng Wu
- State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical Technology Beijing 100029 China
| | - Yu‐Fei Song
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Thomas P. Russell
- Department of Polymer Science and Engineering University of Massachusetts Amherst MA 01003 USA
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Shaowei Shi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
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123
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Krawczyk K, Silvestri D, Nguyen NHA, Ševců A, Łukowiec D, Padil VVT, Řezanka M, Černík M, Dionysiou DD, Wacławek S. Enhanced degradation of sulfamethoxazole by a modified nano zero-valent iron with a β-cyclodextrin polymer: Mechanism and toxicity evaluation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:152888. [PMID: 34998775 DOI: 10.1016/j.scitotenv.2021.152888] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/30/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Rising concern about emerging and already persisting pollutants in water has urged the scientific community to develop novel remedial techniques. A new group of remediation methods is based on the modification of nanoscale zero-valent iron particles (nZVI), which are well known for treating volatile organic compounds and heavy metals. The properties of nZVI may be further enhanced by modifying their structure or surface using "green" polymers. Herein, nZVI was modified by a β-cyclodextrin polymer (β-CDP), which is considered an environmentally safe and inexpensive adsorbent of contaminants. This composite was used for the first time for the degradation of sulfamethoxazole (SMX). Coating by β-CDP not only enhanced the degradation of SMX (>95%, under 10 min) by the nanoparticles in a wide pH range (3-9) and enabled their efficient reusability (for three cycles) but also made the coated nZVI less toxic to the model bioindicator microalga Raphidocelis subcapitata. Moreover, degradation products of SMX were found to be less toxic to Escherichia coli bacteria and R. subcapitata microalga, contrary to the SMX antibiotic itself, indicating a simple and eco-friendly cleaning process. This research aims to further stimulate and develop novel remedial techniques based on nZVI, and provides a potential application in the degradation of antibiotics in a wide pH range. Moreover, the wealth of available cyclodextrin materials used for surface modification may open a way to discover more efficient and attractive composites for environmental applications.
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Affiliation(s)
- Kamil Krawczyk
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Daniele Silvestri
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Nhung H A Nguyen
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Alena Ševců
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Dariusz Łukowiec
- Materials Research Laboratory, Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18a St., 44-100 Gliwice, Poland
| | - Vinod V T Padil
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Michal Řezanka
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU
| | - Miroslav Černík
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU.
| | - Dionysios D Dionysiou
- Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering (ChEE), University of Cincinnati, Cincinnati, OH 45221-0012, USA
| | - Stanisław Wacławek
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec 1, Czech Republic, EU.
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124
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Chiral Recognition R- and RS- of New Antifungal: Complexation/Solubilization/Dissolution Thermodynamics and Permeability Assay. Pharmaceutics 2022; 14:pharmaceutics14040864. [PMID: 35456700 PMCID: PMC9025555 DOI: 10.3390/pharmaceutics14040864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 02/01/2023] Open
Abstract
Novel potential antifungal of 1,2,4-triazole class have been synthesized as pure enantiomer (R-98) and racemic (RS-186). The effect of 2-hydroxypropyl-β-cyclodextrin (CD) on the solubility and permeability of RS-186 and R-98 in terms of chiral recognition was investigated. Phase solubility studies were carried out at 4 temperatures in 0-0.05 M CD concentration range for pH 2.0 and pH 7.4. AL- and AL--type phase-solubility profiles were obtained for both compounds in pH 2.0 and pH 7.4. The racemic formed more stable complexes with CD as compared to R-isomer. Disclosing of chiral discrimination was facilitated using the approach based on the complex consideration of the derived complexation/solubilization/inherent dissolution thermodynamic functions, including the differential parameters between the racemic compound and R-enantiomer. The differences in the thermodynamic parameters determined by the chirality were discussed in terms of the driving forces of the processes and the main interactions of the compounds with CD in solution. The membrane permeability of both samples in the presence of CD was accessed in order to evaluate the specificity of enantioselective transport through the lipophilic membrane. The solubility/permeability interrelation was disclosed. The investigated compounds were classified as medium permeable in pure buffers and low permeable in the presence of 0.01 M CD. The obtained results can be useful for the design of pharmaceutical products in the form of liquid formulations based on the investigated substances.
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125
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Xue EY, Yang C, Fong WP, Ng DKP. Site-Specific Displacement-Driven Activation of Supramolecular Photosensitizing Nanoassemblies for Antitumoral Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:14903-14915. [PMID: 35333503 DOI: 10.1021/acsami.1c23740] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The delivery and activation of photosensitizers in a specific manner is crucial in photodynamic therapy. For an antitumoral application, it can confine the photodynamic action on the cancer cells, thereby enhancing the treatment efficacy and reducing the side effects. We report herein a novel supramolecular photosensitizing nanosystem that can be specifically activated in cancer cells and tumors that overexpress epidermal growth factor receptor (EGFR). It involves the self-assembly of the amphiphilic host-guest complex of a β-cyclodextrin-conjugated phthalocyanine-based photosensitizer (Pc-CD) and a ferrocene-substituted poly(ethylene glycol) (Mn = 2000) (Fc-PEG) in aqueous media. The resulting nanosystem Pc-CD@Fc-PEG with a hydrodynamic diameter of 124-147 nm could not emit fluorescence and generate reactive oxygen species due to the self-quenching effect and the ferrocene-based quencher. Upon interactions with molecules of adamantane substituted with an EGFR-targeting peptide (Ad-QRH*) in water and in EGFR-positive HT29 and A431 cells, the ferrocene guest species were displaced, resulting in disassembly of the nanoparticles and restoration of these photoactivities. The half-maximal inhibitory concentration values were down to 1.24 μM (for HT29 cells). The nanosystem Pc-CD@Fc-PEG could also be activated in an Ad-QRH*-treated HT29 tumor in nude mice, leading to increased intratumoral fluorescence intensity and effective eradication of the tumor upon laser irradiation. The results showed that this two-step supramolecular approach can actualize site-specific photosensitization and minimize nonspecific phototoxicity in a general photodynamic treatment.
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126
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Samuelsen L, Larsen D, Schönbeck C, Beeren SR. pH-Responsive templates modulate the dynamic enzymatic synthesis of cyclodextrins. Chem Commun (Camb) 2022; 58:5152-5155. [PMID: 35383788 DOI: 10.1039/d1cc06554h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Product selection in the dynamic enzymatic synthesis of cyclodextrins can be controlled by changing the pH. Using cyclodextrin glucanotransferase to make labile the glycosidic linkages in cyclodextrins (CDs), we generate a dynamic combinatorial library of interconverting linear and cyclic α-1,4-glucans. Templates can be employed to favour the selective production of specific CDs and, herein, we show that by using ionisable templates, the synthesis of α-CD or β-CD can be favoured by simply changing the pH. Using 4-nitrophenol as the template, β-CD is the preferred product at low pH, while α-CD is the preferred product at high pH. Furthermore, a new methodology is described for the simulation of product distributions in dynamic combinatorial libraries with ionisable templates at any given pH.
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Affiliation(s)
- Lisa Samuelsen
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark.,Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, DK-2800 Kongens Lyngby, Denmark.
| | - Dennis Larsen
- Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, DK-2800 Kongens Lyngby, Denmark.
| | - Christian Schönbeck
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark
| | - Sophie R Beeren
- Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, DK-2800 Kongens Lyngby, Denmark.
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127
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Kubik S. When Molecules Meet in Water-Recent Contributions of Supramolecular Chemistry to the Understanding of Molecular Recognition Processes in Water. Chemistry 2022; 11:e202200028. [PMID: 35373466 PMCID: PMC8977507 DOI: 10.1002/open.202200028] [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: 02/07/2022] [Revised: 03/17/2022] [Indexed: 12/19/2022]
Abstract
Molecular recognition processes in water differ from those in organic solvents in that they are mediated to a much greater extent by solvent effects. The hydrophobic effect, for example, causes molecules that only weakly interact in organic solvents to stay together in water. Such water‐mediated interactions can be very efficient as demonstrated by many of the synthetic receptors discussed in this review, some of which have substrate affinities matching or even surpassing those of natural binders. However, in spite of considerable success in designing such receptors, not all factors determining their binding properties in water are fully understood. Existing concepts still provide plausible explanations why the reorganization of water molecules often causes receptor‐substrate interactions in water to be strongly exothermic rather than entropically favored as predicted by the classical view of the hydrophobic effect.
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Affiliation(s)
- Stefan Kubik
- Technische Universität Kaiserslautern, Fachbereich Chemie - Organische Chemie, Erwin-Schrödinger-Straße 54, 67663, Kaiserslautern, Germany
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128
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Lopalco A, Manni A, Keeley A, Haider S, Li W, Lopedota A, Altomare CD, Denora N, Tuleu C. In Vivo Investigation of (2-Hydroxypropyl)-β-cyclodextrin-Based Formulation of Spironolactone in Aqueous Solution for Paediatric Use. Pharmaceutics 2022; 14:pharmaceutics14040780. [PMID: 35456614 PMCID: PMC9029429 DOI: 10.3390/pharmaceutics14040780] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/16/2022] [Accepted: 03/30/2022] [Indexed: 02/05/2023] Open
Abstract
Spironolactone (SPL), a potent anti-aldosterone steroidal drug used to treat several diseases in paediatric patients (e.g., hypertension, primary aldosteronism, Bartter’s syndrome, and congestive heart failure), is not available in child-friendly dosage forms, and spironolactone liquids have been reported to be unpalatable. Aiming to enhance SPL solubility in aqueous solution and overcome palatability, herein, the effects of (2-hydroxypropyl)-β-cyclodextrin (HP-β-CyD) were thoroughly investigated on solubilisation in water and on masking the unpleasant taste of SPL in vivo. Although the complexation of SPL with HP-β-CyD was demonstrated through phase solubility studies, Job’s plot, NMR and computational docking studies, our in vivo tests did not show significant effects on taste aversion. Our findings, on the one hand, suggest that the formation of an inclusion complex of SPL with HP-β-CyD itself is not necessarily a good indicator for an acceptable degree of palatability, whereas, on the other hand, they constitute the basis for investigating other cyclodextrin-based formulations of the poorly water-soluble steroidal drug, including solid dosage forms, such as spray-dried powders and orodispersible tablets.
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Affiliation(s)
- Antonio Lopalco
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (A.L.); (A.L.); (C.D.A.)
| | - Annachiara Manni
- School of Pharmacy, University College of London, 29/39 Brunswick Square, London WC1N 1AX, UK; (A.M.); (A.K.); (S.H.); (C.T.)
- Food and Drug Department, University of Parma, Parco Area Delle Scienze 27/A, 43124 Parma, Italy
| | - Alexander Keeley
- School of Pharmacy, University College of London, 29/39 Brunswick Square, London WC1N 1AX, UK; (A.M.); (A.K.); (S.H.); (C.T.)
| | - Shozeb Haider
- School of Pharmacy, University College of London, 29/39 Brunswick Square, London WC1N 1AX, UK; (A.M.); (A.K.); (S.H.); (C.T.)
| | - Wenliang Li
- Imperial College London, South Kensington Campus, London SW7 2AZ, UK;
- Cranfield Water Science Institute, School of Water, Environment and Energy, Cranfield University, Cranfield MK43 0AL, UK
| | - Angela Lopedota
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (A.L.); (A.L.); (C.D.A.)
| | - Cosimo Damiano Altomare
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (A.L.); (A.L.); (C.D.A.)
| | - Nunzio Denora
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (A.L.); (A.L.); (C.D.A.)
- Correspondence: ; Tel.: +39-080-544-2767
| | - Catherine Tuleu
- School of Pharmacy, University College of London, 29/39 Brunswick Square, London WC1N 1AX, UK; (A.M.); (A.K.); (S.H.); (C.T.)
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129
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Li Z, Li G, Xu J, Li C, Han S, Zhang C, Wu P, Lin Y, Wang C, Zhang J, Li X. Hydrogel Transformed from Nanoparticles for Prevention of Tissue Injury and Treatment of Inflammatory Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109178. [PMID: 35195940 DOI: 10.1002/adma.202109178] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Functional hydrogels responsive to physiological and pathological signals have extensive biomedical applications owing to their multiple advanced attributes. Herein, engineering of functional hydrogels is reported via transformable nanoparticles in response to the physiologically and pathologically acidic microenvironment. These nanoparticles are assembled by a multivalent hydrophobic, pH-responsive cyclodextrin host material and a multivalent hydrophilic guest macromolecule. Driven by protons, the pH-responsive host-guest nanoparticles can be transformed into hydrogel, resulting from proton-triggered hydrolysis of the host material, generation of a hydrophilic multivalent host compound, and simultaneously enhanced inclusion interactions between host and guest molecules. By in situ forming a hydrogel barrier, the orally delivered transformable nanoparticles protect mice from ethanol- or drug-induced gastric injury. In addition, this type of nanoparticles can serve as responsive and transformable nanovehicles for therapeutic agents to achieve triggerable and sustained drug delivery, thereby effectively treating typical inflammatory diseases, including periodontitis and arthritis in rats. With combined advantages of nanoparticles and hydrogels, together with their good in vivo safety, the engineered transformable nanoparticles hold great promise in tissue injury protection and site-specific/local delivery of molecular and cellular therapeutic agents.
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Affiliation(s)
- Zimeng Li
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, P. R. China
| | - Gang Li
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Jiajia Xu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, P. R. China
| | - Chenwen Li
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Songling Han
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Combined Injury, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Chunfan Zhang
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Peng Wu
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
- College of Pharmacy and Medical Technology, Hanzhong Vocational and Technical College, Hanzhong, Shaanxi, 723000, P. R. China
| | - Yongyao Lin
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Chenping Wang
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Jianxiang Zhang
- Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Combined Injury, Third Military Medical University (Army Medical University), Chongqing, 400038, P. R. China
| | - Xiaodong Li
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, P. R. China
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130
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Sekhar Pattanaik S, Nanda B, Ranjan Panda S, Dalai B, Nanda BB. Investigation of the inter-ionic interactions of an imidazolium-based ionic liquid with the aqueous solutions of tripotassium citrate and trisodium citrate through volumetric, acoustic and FTIR routes. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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131
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Abstract
The intrinsic nature of macrocyclic molecules to preferentially absorb a specific solute has been opening up supramolecular chemistry. Nevertheless, the determinant factor with molecular perspectives in promoting host-guest complexations remains inconclusive, due to the lack of rigorous thermodynamic examination on the guest solubility inside the host. Here, we quantify the solute-solvent energetic and entropic contributions between the end states and on the docking route during inclusion of noble gases in cucurbit[5]uril, cucurbit[6]uril, and α-cyclodextrin, using molecular dynamics simulations in combination with the potential distribution theorem. Results show that in all of the pairs examined both the solute-solvent energy and entropy favor the inclusion, while the former is rather dominant. The frequency of interior drying, which pertains to the entropic contribution, differs between the hosts and is controlled by the existence of lid water at portal and the flexibility of host framework. Moreover, the hosts exhibit various types of absorption manners, involving non-, single-, and double-free-energy barriers.
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Affiliation(s)
- Yifeng Yao
- Department of Chemistry, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Xuan Zhang
- Department of Chemistry, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Kenji Mochizuki
- Department of Chemistry, Zhejiang University, Hangzhou, 310028, P. R. China
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132
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Han X, Li. P, Han Y, Chen C. Enantiomeric Water‐Soluble Octopus[3]arenes for Highly Enantioselective Recognition of Chiral Ammonium Salts in Water. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao‐Ni Han
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100084 China
| | - Peng‐Fei Li.
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- Advanced Research Institute of Multidisciplinary Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 100081 China
| | - Ying Han
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Chuan‐Feng Chen
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100084 China
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133
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Fernández-Caro H, Méndez-Ardoy A, Montenegro J. Dynamic nanosurface reconfiguration by host-guest supramolecular interactions. NANOSCALE 2022; 14:3599-3608. [PMID: 35188162 DOI: 10.1039/d1nr05315a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The dynamic functionalization of the nanoparticle surface with biocompatible coatings is a critical step towards the development of functional nano-sized systems. While covalent approaches have been broadly exploited in the stabilization of nanoparticle colloidal systems, these strategies hinder the dynamic nanosurface chemical reconfiguration. Supramolecular strategies based on specific host-guest interactions hold promise due to their intrinsic reversibility, self-healing capabilities and modularity. Host/guest couples have recently been implemented in nanoparticle platforms for the exchange and release of effector molecules. However, the direct exchange of biocompatible hydrophilic oligomers (e.g. peptides) for the modulation of the surface charge and chemical properties of nanoparticles still remains a challenge. Here, we show the intracellular reconfiguration of nanoparticles by a host/guest mechanism with biocompatible oligomeric competitors. The surface of gold nanoparticles was functionalized with cyclodextrin hosts and the guest exchange was studied with biocompatible mono and divalent adamantyl competitors. The systematic characterization of the size and surface potential of the host/guest nanoparticles allowed the optimization of the binding and the stabilization properties of these supramolecular systems. The in cellulo host/guest-mediated direct reconfiguration of the peptide layer at the surface of nanoparticles is achieved by controlling the valence of adamantane-equipped peptides. This work demonstrates that host/guest supramolecular systems can be exploited for the direct exchange of pendants at the surface of nanoparticles and the intracellular dynamic chemical reconfiguration of biocompatible colloidal systems.
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Affiliation(s)
- Héctor Fernández-Caro
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | | | - Javier Montenegro
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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134
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Kraus H, Hansen N. An atomistic view on the uptake of aromatic compounds by cyclodextrin immobilized on mesoporous silica. ADSORPTION 2022. [DOI: 10.1007/s10450-022-00356-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractThe effect of immobilized $$\upbeta$$
β
-cyclodextrin (bCD) molecules inside a mesoporous silica support on the uptake of benzene and p-nitrophenol from aqueous solution was investigated using all-atom molecular dynamics (MD) simulations. The calculated adsorption isotherms are discussed with respect to the free energies of binding for a 1:1 complex of bCD and the aromatic guest molecule. The adsorption capacity of the bCD-containing material significantly exceeds the amount corresponding to a 1:1 binding scenario, in agreement with experimental observations. Beside the formation of 1:2 and, to a lesser extent, 1:3 host:guest complexes, also host–host interactions on the surface as well as more unspecific host–guest interactions govern the adsorption process. The demonstrated feasibility of classical all-atom MD simulations to calculate liquid phase adsorption isotherms paves the way to a molecular interpretation of experimental data that are too complex to be described by empirical models.
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135
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DiMaggio D, Brockett A, Shuster M, Murkli S, Zhai C, King D, O'Dowd B, Cheng M, Brady K, Briken V, Roesch MR, Isaacs L. Anthracene Walled Acyclic CB[n] Receptors: In Vitro and In Vivo Binding Properties Toward Drugs of Abuse. ChemMedChem 2022; 17:e202200046. [PMID: 35238177 DOI: 10.1002/cmdc.202200046] [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: 01/24/2022] [Revised: 03/01/2022] [Indexed: 11/07/2022]
Abstract
We report studies of the interaction of six acyclic CB[n]-type receptors toward a panel of drugs of abuse by a combination of isothermal titration calorimetry and 1H NMR spectroscopy. Anthracene walled acyclic CB[n] host (M3) displays highest binding affinity toward methamphetamine (Kd = 15 nM) and fentanyl (Kd = 4 nM). Host M3 is well tolerated by Hep G2 and HEK 293 cells up to 100 mM according to MTS metabolic and adenylate kinase release assays. An in vivomaximum tolerated dose study with Swiss Webster mice showed no adverse effects at the highest dose studied (44.7 mg kg-1). Host M3 is not mutagenic based on the Ames fluctuation test and does not inhibit the hERG ion channel. In vivoefficacy studies showed that pretreatment of mice with M3 significantly reduces the hyperlocomotion after treatment with methamphetamine, but M3 does not function similarly when administered 30 seconds after methamphetamine.
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Affiliation(s)
- Delaney DiMaggio
- University of Maryland at College Park, Chemistry and Biochemistry, 8051 Regents Dr., 20742, College Park, UNITED STATES
| | - Adam Brockett
- University of Maryland at College Park, Psychology, UNITED STATES
| | - Michael Shuster
- University of Maryland at College Park, Cell Biology and Molecular Genetics, UNITED STATES
| | - Steven Murkli
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - Canjia Zhai
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - David King
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - Brona O'Dowd
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - Ming Cheng
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - Kimberly Brady
- University of Maryland at College Park, Chemistry and Biochemistry, UNITED STATES
| | - Volker Briken
- University of Maryland at College Park, Cell Biology and Molecular Genetics, UNITED STATES
| | - Matthew R Roesch
- University of Maryland at College Park, Psychology, UNITED STATES
| | - Lyle Isaacs
- University of Maryland, College Park, Department of Chemistry and Biochemistry, Building 091, 20742, College Park, UNITED STATES
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137
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Cedillo-Flores OE, Rodríguez-Laguna N, Hipólito-Nájera AR, Nivón-Ramírez D, Gómez-Balderas R, Moya-Hernández R. Effect of the pH on the thermodynamic stability of inclusion complexes of thymol and carvacrol in β-cyclodextrin in water. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107307] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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138
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Suárez D, Díaz N. Amphiphilic cyclodextrins: Dimerization and diazepam binding explored by molecular dynamics simulations. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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139
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Larsen D, Ferreira M, Tilloy S, Monflier E, Beeren SR. Unnatural cyclodextrins can be accessed from enzyme-mediated dynamic combinatorial libraries. Chem Commun (Camb) 2022; 58:2287-2290. [PMID: 35080533 DOI: 10.1039/d1cc06452e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dynamic systems of cyclodextrins (CDs) enabled by a native cyclodextrin glucanotransferase (CGTase) can incorporate unnatural glucopyranose-derived building blocks, expanding the applicability of enzyme-mediated dynamic combinatorial chemistry by using synthetically modified substrates. Starting dynamic combinatorial libraries from CDs with a single 6-modified glucopyranose results in a dynamic mixture of CDs containing several modified glucopyranoses. The relative concentrations of modified α, β or γ-CDs can be controlled by the addition of templates, providing a novel way to access modified CDs.
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Affiliation(s)
- Dennis Larsen
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby DK-2800, Denmark.
| | - Michel Ferreira
- Univ. Artois, CNRS, Centrale Lille, Univ. Lille, UMR 8181, Unité de Catalyse et Chimie du Solide (UCCS), Lens 62300, France
| | - Sébastien Tilloy
- Univ. Artois, CNRS, Centrale Lille, Univ. Lille, UMR 8181, Unité de Catalyse et Chimie du Solide (UCCS), Lens 62300, France
| | - Eric Monflier
- Univ. Artois, CNRS, Centrale Lille, Univ. Lille, UMR 8181, Unité de Catalyse et Chimie du Solide (UCCS), Lens 62300, France
| | - Sophie R Beeren
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby DK-2800, Denmark.
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140
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Leelasabari C, Rajamohan R, Rok Lee Y, Subramania A, Sivakumar K, Murugan M, Manigandan G. Characterization and Molecular Docking Analysis for the Supramolecular Interaction of Lidocaine with β-Cyclodextrin. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2036773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | - Rajaram Rajamohan
- Department of Chemistry, Lakshmi Bangaru Arts and Science College, Melmaruvathur, Chengalpet, India
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Republic of Korea
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Republic of Korea
| | - Angaiah Subramania
- Centre for Nanoscience and Technology, Pondicherry University, Puducherry, India
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141
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Wang Y, Feng Z, Sun Y, Zhu L, Xia D. Chiral induction in a novel self-assembled supramolecular system composed of α-cyclodextrin porous liquids, chiral silver nanoparticles and planar conjugated molecules. SOFT MATTER 2022; 18:975-982. [PMID: 35014653 DOI: 10.1039/d1sm01248g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The newly developed porous liquids known as liquids with permanent microporosity, have considerable application potential in many unknown areas. Herein, a supramolecular system composed of α-cyclodextrin porous liquid, chiral silver nanoparticles and planar conjugated molecules (methylene blue and indigo carmine) was designed and the induced chirality of the system was observed. It was found that the induced chirality can be easily tuned by changing the pH value of the mixture solution. The induced chiral signal of methylene blue in the developed self-assembled supramolecular system occurred when the pH was between 8 and 10, and furthermore the induced chirality of indigo carmine was found when the pH was between 6.5 and 7.5. The intensity of induced chirality decreases upon increasing temperatures and ionic strength. This study may offer a new approach for the creation of a chiral supramolecular system based on host-guest and electrostatic interaction and make cyclodextrin porous liquids promising candidates for applications in chiral induction.
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Affiliation(s)
- Yan Wang
- College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China.
- Oil & Gas Technology Research Institute, Changqing Oilfield Company, Xi'an 710018, China
| | - Zhen Feng
- College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China.
| | - Yawei Sun
- College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China.
| | - Lijun Zhu
- College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China.
| | - Daohong Xia
- College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China.
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142
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Wang Y, Sun Y, Avestro AJ, McGonigal PR, Zhang H. Supramolecular repair of hydration lubrication surfaces. Chem 2022. [DOI: 10.1016/j.chempr.2021.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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143
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Genzink MJ, Kidd JB, Swords WB, Yoon TP. Chiral Photocatalyst Structures in Asymmetric Photochemical Synthesis. Chem Rev 2022; 122:1654-1716. [PMID: 34606251 PMCID: PMC8792375 DOI: 10.1021/acs.chemrev.1c00467] [Citation(s) in RCA: 121] [Impact Index Per Article: 60.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Asymmetric catalysis is a major theme of research in contemporary synthetic organic chemistry. The discovery of general strategies for highly enantioselective photochemical reactions, however, has been a relatively recent development, and the variety of photoreactions that can be conducted in a stereocontrolled manner is consequently somewhat limited. Asymmetric photocatalysis is complicated by the short lifetimes and high reactivities characteristic of photogenerated reactive intermediates; the design of catalyst architectures that can provide effective enantiodifferentiating environments for these intermediates while minimizing the participation of uncontrolled racemic background processes has proven to be a key challenge for progress in this field. This review provides a summary of the chiral catalyst structures that have been studied for solution-phase asymmetric photochemistry, including chiral organic sensitizers, inorganic chromophores, and soluble macromolecules. While some of these photocatalysts are derived from privileged catalyst structures that are effective for both ground-state and photochemical transformations, others are structural designs unique to photocatalysis and offer insight into the logic required for highly effective stereocontrolled photocatalysis.
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Affiliation(s)
- Matthew J Genzink
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Jesse B Kidd
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Wesley B Swords
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Tehshik P Yoon
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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144
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Ng AWH, Lai SK, Yee C, Au‐Yeung HY. Macrocycle Dynamics in a Branched [8]Catenane Controlled by Three Different Stimuli in Three Different Regions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202110200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Antony Wing Hung Ng
- State Key Laboratory of Synthetic Chemistry CAS-HKU Joint Laboratory of Metallomics on Health and Environment and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Samuel Kin‐Man Lai
- State Key Laboratory of Synthetic Chemistry CAS-HKU Joint Laboratory of Metallomics on Health and Environment and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Chi‐Chung Yee
- State Key Laboratory of Synthetic Chemistry CAS-HKU Joint Laboratory of Metallomics on Health and Environment and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Ho Yu Au‐Yeung
- State Key Laboratory of Synthetic Chemistry CAS-HKU Joint Laboratory of Metallomics on Health and Environment and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
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145
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Scelle J, Vervoitte H, Bouteiller L, Chamoreau LM, Sollogoub M, Vives G, Hasenknopf B. Size-dependent compression of threaded alkyldiphosphate in head to head cyclodextrin [3]pseudorotaxanes. Chem Sci 2022; 13:2218-2225. [PMID: 35310501 PMCID: PMC8864808 DOI: 10.1039/d1sc05697b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/16/2022] [Indexed: 11/21/2022] Open
Abstract
The encapsulation of guests in a confined space enables unusual conformations and reactivities. In particular, the compression of akyl chains has been obtained by self-assembled molecular capsules but such an effect has not been reported in solution for pseudorotaxane architectures. By exploiting the tendency of cyclodextrin (CD) to form head to head [3]pseudorotaxanes and the hydrogen bonding abilities of phosphate groups, we have studied the effect of the CD dimer cavity on the conformation of threaded α,ω-alkyl-diphosphate axles. The formation of [2]pseudorotaxanes and [3]pseudorotaxanes was investigated by a combination of NMR, ITC and X-ray diffraction techniques. In the solid state, the [3]pseudorotaxane with a C8 axle presents a fully extended conformation with both terminal phosphate groups interacting with hydroxyl groups of the primary rim of CDs. Such hydrogen bonding interactions are also present with the C9 and C10 axles resulting in a compression of the alkyl chain with gauche conformations in the solid state. NMR studies have shown that this effect is maintained in solution resulting in a size-dependent progressive compression of the alkyl chain by the CD [3]pseudorotaxane architecture for C9, C10 and C11 axles. Alkyl chain compression of alkanediphosphate guests was achieved by head-to-head cyclodextrin [3]pseudorotaxanes in a mechanostereoselective self-assembly process.![]()
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Affiliation(s)
- Jérémy Scelle
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Hugo Vervoitte
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Laurent Bouteiller
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Lise-Marie Chamoreau
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Matthieu Sollogoub
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Guillaume Vives
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
| | - Bernold Hasenknopf
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire 4 Place Jussieu 75005 Paris France
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146
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Gorges J, Grimme S, Hansen A. Reliable prediction of association (free) energies of supramolecular complexes with heavy main group elements – the HS13L benchmark set. Phys Chem Chem Phys 2022; 24:28831-28843. [DOI: 10.1039/d2cp04049b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We introduce a set of 13 supramolecular complexes featuring diverse non-covalent interactions with heavy main group elements (Zn, As, Se, Te, Br, I), high charges (−2 up to +4), and large systems with up to 266 atoms (HS13L).
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Affiliation(s)
- Johannes Gorges
- Mulliken Center for Theoretical Chemistry, Clausius-Institute for Physical and Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, Clausius-Institute for Physical and Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Andreas Hansen
- Mulliken Center for Theoretical Chemistry, Clausius-Institute for Physical and Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115 Bonn, Germany
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147
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Interaction poses, intermolecular forces, dynamic preferences between flavonoids and maltosyl-β-cyclodextrin. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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148
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Guo J, Xu H, Zhao J, Gao Z, Wu ZQ, Song YY. Locally superengineered cascade recognition–quantification zones in nanochannels for sensitive enantiomer identification. Chem Sci 2022; 13:9993-10002. [PMID: 36128237 PMCID: PMC9430310 DOI: 10.1039/d2sc03198a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/08/2022] [Indexed: 11/23/2022] Open
Abstract
As an intriguing and intrinsic feature of life, chirality is highly associated with many significant biological processes. Simultaneous recognition and quantification of enantiomers remains a major challenge. Here, a sensitive enantiomer identification device is developed on TiO2 nanochannels via the design of cascade recognition–quantification zones along the nanochannels. In this system, β-cyclodextrin (β-CD) is self-assembled on one side of the nanochannels for the selective recognition of enantiomers; CuMOFs are designed as the target-responsive partners on the other side of the nanochannels for the quantification of enantiomers that pass through the nanochannels. As a proof-of-principle of the cascade design, arginine (Arg) enantiomers are tested as the identification targets. The l-Arg molecules selectively bind in the recognition zone; d-Arg molecules pass through the recognition zone and then interact with the quantification zone via a specialized reduction reaction. As verified by nanofluidic simulations, because of the confinement effect of nanoscale channels combined with the condensation effect of porous structure, the in situ reaction in the quantification zone contributes to an unprecedented variation in transmembrane K+ flux, leading to an improved identification signal. This novel cascade-zone nanochannel membrane provides a smart strategy to design multifunctional nanofluidic devices. A design of the cascade recognition–quantification zone is developed along TiO2 nanochannels. The asymmetric nanochannels exhibit a predominant sensitivity and selectivity for enantiomer discrimination.![]()
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Affiliation(s)
- Junli Guo
- College of Sciences, Northeastern University, Shenyang 110819, China
| | - Huijie Xu
- College of Sciences, Northeastern University, Shenyang 110819, China
| | - Junjian Zhao
- College of Sciences, Northeastern University, Shenyang 110819, China
| | - Zhida Gao
- College of Sciences, Northeastern University, Shenyang 110819, China
| | - Zeng-Qiang Wu
- School of Public Health, Nantong University, Nantong, 226019, China
| | - Yan-Yan Song
- College of Sciences, Northeastern University, Shenyang 110819, China
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149
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Herrera E, Riva J, Aprea S, Silva OF, Bercoff PG, Granados AM. FePd nanowires modified with cyclodextrin as improved catalysts: effect of the alloy composition on colloidal stability and catalytic capacity. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02219a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
FePd nanowires of different compositions are thoroughly characterized and assessed as catalysts for the reduction reaction of 4-nitrophenol to 4-aminophenol.
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Affiliation(s)
- Elisa Herrera
- Universidad Nacional de Córdoba Facultad de Ciencias Químicas, Departamento de Química Orgánica, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Instituto Nacional del Agua, Subgerencia Centro de la Región Semiárida (INA-SCIRSA), Córdoba, Argentina
| | - Julieta Riva
- Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, Argentina
| | - Soledad Aprea
- Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, Argentina
- Instituto de Física Enrique Gaviola, IFEG, Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Córdoba, Argentina
| | - O. Fernando Silva
- Universidad Nacional de Córdoba Facultad de Ciencias Químicas, Departamento de Química Orgánica, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Instituto de Investigaciones en Fisicoquímica de Córdoba, INFIQC, Córdoba, Argentina
| | - Paula G. Bercoff
- Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, Argentina
- Instituto de Física Enrique Gaviola, IFEG, Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Córdoba, Argentina
| | - Alejandro M. Granados
- Universidad Nacional de Córdoba Facultad de Ciencias Químicas, Departamento de Química Orgánica, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Instituto de Investigaciones en Fisicoquímica de Córdoba, INFIQC, Córdoba, Argentina
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150
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Alešković M, Roca S, Jozepović R, Bregović N, Šekutor M. Unravelling binding effects in cyclodextrin inclusion complexes with diamondoid ammonium salt guests. NEW J CHEM 2022. [DOI: 10.1039/d2nj00938b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A hydrophobic tornado – complexation of diamondoid ammonium salts with cyclodextrins in water.
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Affiliation(s)
- Marija Alešković
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička 54, 10 000 Zagreb, Croatia
| | - Sunčica Roca
- NMR Center, Ruđer Bošković Institute, Bijenička 54, 10 000 Zagreb, Croatia
| | - Ruža Jozepović
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička 54, 10 000 Zagreb, Croatia
| | - Nikola Bregović
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10 000 Zagreb, Croatia
| | - Marina Šekutor
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička 54, 10 000 Zagreb, Croatia
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