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Xia Y, Wang G, He C, Chen H. A Strong Supramolecular Mechanophore with Controlled Mechanical Strength. Angew Chem Int Ed Engl 2024; 63:e202406738. [PMID: 38869842 DOI: 10.1002/anie.202406738] [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: 04/09/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/14/2024]
Abstract
Supramolecular mechanophores typically exhibit much lower mechanical strengths than covalent counterparts, with strengths usually around 100 pN, which is significantly lower than the nN-scale strength of covalent bonds. Inspired by the slow dissociation kinetics of the cucurbit[7]uril (CB[7])-hexanoate-isoquinoline (HIQ) complex, we discovered that charge-dipole repulsion can be utilized to create strong supramolecular mechanophores. When activated at its -COO- state, the CB[7]-HIQ complex exhibits a high mechanical strength of ~700 pN, comparable to weak covalent bonds such as Au-S bonds or thiol-maleimide adducts. The strength of the CB[7]-HIQ complex can also be tuned with pH in a gradual manner, with a minimum value of ~150 pN at its -COOH state, similar to an ordinary supramolecular conjugate. This research may pave the way for the development of supramolecular architectures that combine the advantages of covalent and supramolecular systems.
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Affiliation(s)
- Yu Xia
- School of Chemistry and Chemical Engineering, The Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Guannan Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijng, 100029, P. R. China
| | - Chengzhi He
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijng, 100029, P. R. China
| | - Hao Chen
- School of Chemistry and Chemical Engineering, The Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
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2
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Higashi T, Taharabaru T, Motoyama K. Synthesis of cyclodextrin-based polyrotaxanes and polycatenanes for supramolecular pharmaceutical sciences. Carbohydr Polym 2024; 337:122143. [PMID: 38710552 DOI: 10.1016/j.carbpol.2024.122143] [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: 02/16/2024] [Revised: 04/01/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
Cyclodextrins (CDs) are essential in the pharmaceutical industry and have long been used as food and pharmaceutical additives. CD-based interlocked molecules, such as rotaxanes, polyrotaxanes, catenanes, and polycatenanes, have been synthesized and have attracted considerable attention in supramolecular chemistry. Among them, CD polyrotaxanes have been employed as slide-ring materials and biomaterials. CD polycatenanes are new materials; therefore, to date, no examples of applied research on CD polycatenanes have been reported. Consequently, we expect that applied research on CD polycatenanes will accelerate in the future. This review article summarizes the syntheses and structural analyses of CD polyrotaxanes and polycatenanes to facilitate their applications in the pharmaceutical industry. We believe that this review will promote further research on CD-based interlocked molecules.
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Affiliation(s)
- Taishi Higashi
- Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan.
| | - Toru Taharabaru
- Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Keiichi Motoyama
- Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
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3
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de la Vega-Hernández K, Suero MG, Ballester P. Investing in entropy: the strategy of cucurbit[ n]urils to accelerate the intramolecular Diels-Alder cycloaddition reaction of tertiary furfuryl amines. Chem Sci 2024; 15:8841-8849. [PMID: 38873069 PMCID: PMC11168187 DOI: 10.1039/d4sc01816h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/02/2024] [Indexed: 06/15/2024] Open
Abstract
Cucurbit[n]urils, renowned for their host-guest chemistry, are becoming versatile biomimetic receptors. Herein, we report that cucurbit[7]uril (CB[7]) accelerates the intramolecular Diels-Alder (IMDA) reaction for previously elusive and unreactive tertiary N-methyl-N-(homo)allyl-2-furfurylamines by up to 4 orders of magnitude under mild conditions. Using 1H NMR titrations and ITC experiments, we characterize the dissimilar thermodynamic and kinetic properties of the complexes. We also determine the activation parameters (ΔG ≠, ΔH ≠ and ΔS ≠) leading to the transition state of the IMDA reactions, both in the bulk and included in CB[7], to shed light on the key role of the receptor on the acceleration observed. CB[7] acts as an "entropy trap" utilizing guest binding to primarily pay the entropy penalty for reorganizing the substrate in a high-energy reactive conformation that resembles the geometry of the highly ordered transition state required for the IMDA reaction. This study underscores the potential of cucurbit[n]urils as artificial active sites, emulating specific aspects of enzymatic catalysis.
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Affiliation(s)
- Karen de la Vega-Hernández
- Institute of Chemical Research of Catalonia (ICIQ-CERCA), The Barcelona Institute of Science and Technology (BIST) Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Marcos G Suero
- Institute of Chemical Research of Catalonia (ICIQ-CERCA), The Barcelona Institute of Science and Technology (BIST) Avgda. Països Catalans 16 43007 Tarragona Spain
- ICREA Passeig Lluís Companys, 23 08018 Barcelona Spain
| | - Pablo Ballester
- Institute of Chemical Research of Catalonia (ICIQ-CERCA), The Barcelona Institute of Science and Technology (BIST) Avgda. Països Catalans 16 43007 Tarragona Spain
- ICREA Passeig Lluís Companys, 23 08018 Barcelona Spain
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4
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Wu D, Wang J, Du X, Cao Y, Ping K, Liu D. Cucurbit[8]uril-based supramolecular theranostics. J Nanobiotechnology 2024; 22:235. [PMID: 38725031 PMCID: PMC11084038 DOI: 10.1186/s12951-024-02349-z] [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: 12/23/2023] [Accepted: 02/20/2024] [Indexed: 05/12/2024] Open
Abstract
Different from most of the conventional platforms with dissatisfactory theranostic capabilities, supramolecular nanotheranostic systems have unparalleled advantages via the artful combination of supramolecular chemistry and nanotechnology. Benefiting from the tunable stimuli-responsiveness and compatible hierarchical organization, host-guest interactions have developed into the most popular mainstay for constructing supramolecular nanoplatforms. Characterized by the strong and diverse complexation property, cucurbit[8]uril (CB[8]) shows great potential as important building blocks for supramolecular theranostic systems. In this review, we summarize the recent progress of CB[8]-based supramolecular theranostics regarding the design, manufacture and theranostic mechanism. Meanwhile, the current limitations and corresponding reasonable solutions as well as the potential future development are also discussed.
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Affiliation(s)
- Dan Wu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Jianfeng Wang
- Department of Radiotherapy, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
| | - Xianlong Du
- Bethune First Clinical Medical College, Jilin University, Changchun, 130012, People's Republic of China
| | - Yibin Cao
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Kunmin Ping
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Dahai Liu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China.
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5
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Assaf KI, Faraj AN, Abu-Nameh ESM, Alnajjar MA. Supramolecular complexation of phenylephrine by cucurbit[7]uril in aqueous solution. RSC Adv 2024; 14:13286-13290. [PMID: 38655473 PMCID: PMC11037392 DOI: 10.1039/d4ra01910e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024] Open
Abstract
Cucurbiturils (CBn) are known to establish stable host-guest complexes with a variety of drug molecules. Herein, the supramolecular complexation between cucurbit[7]uril (CB7) and phenylephrine hydrochloride is reported in aqueous solution. Phenylephrine forms inclusion complex with CB7 with high binding affinity (Kaffinity = 4.0 × 106 M-1), which allows for the development of a fluorescence-based sensing assay applying the dye displacement strategy. The structure of the host-guest inclusion complex is investigated by 1H NMR spectroscopy, in which complexation-induced chemical shifts indicate the immersion of the aromatic ring inside the hydrophobic cavity of CB7. Density functional theory (DFT) calculations support the 1H NMR results, and reveal that the complex is stabilized through intermolecular interactions between the polar groups on the phenylephrine and the carbonyl rims of CB7, as well as the hydrophobic effect. Moreover, preferential binding of phenylephrine in its protonated over the neutral form results in a complexation-induced pKa shift.
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Affiliation(s)
- Khaleel I Assaf
- Department of Chemistry, Al-Balqa Applied University Al-Salt 19117 Jordan
| | - Ayah N Faraj
- Department of Chemistry, Al-Balqa Applied University Al-Salt 19117 Jordan
| | - Eyad S M Abu-Nameh
- Department of Chemistry, Al-Balqa Applied University Al-Salt 19117 Jordan
| | - Mohammad A Alnajjar
- Department of Biology and Chemistry, Center for Cellular Nanoanalytics, Universität Osnabrück 49069 Osnabrück Germany
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Xu J, Li B, Zhang XD, Wu D, Zhao JL, Chen K. Selective removal of Cr 2O 72- in aqueous solution by nonporous pure crystals of cucurbit[6]uril. Dalton Trans 2024; 53:6168-6172. [PMID: 38488062 DOI: 10.1039/d4dt00611a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Cucurbit[6]uril (Q[6]) could serve as a selective absorbent for the toxic anion Cr2O72-, which was demonstrated by the results of UV-vis, ICP, XPS, SEM, and EDS experiments. Single-crystal X-ray diffraction analysis revealed that capture capacity could be attributed to the outer-surface interactions of cucurbit[n]uril between Cr2O72- and the outer surface of Q[6].
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Affiliation(s)
- Jing Xu
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Bin Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Xiu-Du Zhang
- College of Chemistry and Materials Science, Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Functional Molecular Solids, Anhui Normal University, 189 Jiuhua Southern Road, Wuhu 241002, China
| | - Dong Wu
- Computer Aided Drug Discovery Center, Zhuhai Institute of Advanced Technology, Chinese Academy of Sciences, Zhuhai 519003, China.
| | - Jiang-Lin Zhao
- Precision Medicine R&D Center, Zhuhai Institute of Advanced Technology, Chinese Academy of Sciences, Zhuhai 519080, Guangdong, China
| | - Kai Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China.
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7
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Alešković M, Šekutor M. Overcoming barriers with non-covalent interactions: supramolecular recognition of adamantyl cucurbit[ n]uril assemblies for medical applications. RSC Med Chem 2024; 15:433-471. [PMID: 38389878 PMCID: PMC10880950 DOI: 10.1039/d3md00596h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 11/30/2023] [Indexed: 02/24/2024] Open
Abstract
Adamantane, a staple in medicinal chemistry, recently became a cornerstone of a supramolecular host-guest drug delivery system, ADA/CB[n]. Owing to a good fit between the adamantane cage and the host cavity of the cucurbit[n]uril macrocycle, formed strong inclusion complexes find applications in drug delivery and controlled drug release. Note that the cucurbit[n]uril host is not solely a delivery vehicle of the ADA/CB[n] system but rather influences the bioactivity and bioavailability of drug molecules and can tune drug properties. Namely, as host-guest interactions are capable of changing the intrinsic properties of the guest molecule, inclusion complexes can become more soluble, bioavailable and more resistant to metabolic conditions compared to individual non-complexed molecules. Such synergistic effects have implications for practical bioapplicability of this complex system and provide a new viewpoint to therapy, beyond the traditional single drug molecule approach. By achieving a balance between guest encapsulation and release, the ADA/CB[n] system has also found use beyond just drug delivery, in fields like bioanalytics, sensing assays, bioimaging, etc. Thus, chemosensing in physiological conditions, indicator displacement assays, in vivo diagnostics and hybrid nanostructures are just some recent examples of the ADA/CB[n] applicability, be it for displacements purposes or as cargo vehicles.
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Affiliation(s)
- Marija Alešković
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute Bijenička 54 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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Gómez-González B, Basílio N, Vaz B, Pérez-Lorenzo M, García-Río L. Delving into the Variability of Supramolecular Affinity: Self-Ion Pairing as a Central Player in Aqueous Host-Guest Chemistry. Angew Chem Int Ed Engl 2024; 63:e202317553. [PMID: 38100517 DOI: 10.1002/anie.202317553] [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: 11/17/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 12/17/2023]
Abstract
The determination of binding constants is a key matter in evaluating the strength of host-guest interactions. However, the profound impact of self-ion pairing on this parameter is often underrated in aqueous solution, leading in some cases to a misinterpretation of the true potential of supramolecular assemblies. In the present study, we aim to shed further light on this critical factor by exploring the concentration-dependent behavior of a multicharged pillararene in water. Our observations reveal an extraordinary 1-million-fold variability in the affinity of this macrocycle toward a given anion, showcasing the highly dynamic character of electrostatic interactions. We argue that these findings bring to the forefront the inherent determinism that underlies the estimation of affinity constants, a factor profoundly shaped by both the sensitivity of the instrumental technique in use and the intricacies of the experimental design itself. In terms of applications, these results may provide the opportunity to optimize the operational concentrations of multicharged hosts in different scenarios, aiming to achieve their maximum efficiency based on the intended application. Unlocking the potential of this hidden variability may pave the way for the creation of novel molecular materials with advanced functionalities.
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Affiliation(s)
- Borja Gómez-González
- Department of Physical Chemistry, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Nuno Basílio
- Laboratório Associado para a Química Verde (LAQV), Rede de Química e Tecnologia (REQUIMTE), Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal
| | - Belén Vaz
- CINBIO, Universidade de Vigo, 36310, Vigo, Spain
- Galicia Sur Health Research Institute, 36310, Vigo, Spain
| | - Moisés Pérez-Lorenzo
- CINBIO, Universidade de Vigo, 36310, Vigo, Spain
- Galicia Sur Health Research Institute, 36310, Vigo, Spain
| | - Luis García-Río
- Department of Physical Chemistry, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
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9
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Balaram P. William L. Mock and Cucurbituril: The Resurrection of the Behrend Paper of 1905. ACS OMEGA 2024; 9:4162-4165. [PMID: 38313500 PMCID: PMC10831821 DOI: 10.1021/acsomega.3c07196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/02/2023] [Accepted: 12/20/2023] [Indexed: 02/06/2024]
Abstract
In 1905, Robert Behrend reported the preparation of a substance that remained a dry powder despite absorbing water and that had the ability to absorb dyes from solution. Over seven decades later, William L. Mock repeated the Behrend synthesis and discovered cucurbituril, a remarkably symmetric molecule with a central cavity welcoming diverse guests. Mock et al. ploughed a lonely furrow in the 1980s, establishing the versatility of cucurbituril in the field of supramolecular chemistry, including a demonstration of the Huisgen click reaction in a molecular cavity.
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10
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Yin H, Rosas R, Viel S, Giorgi M, Monnier V, Charles L, Siri D, Gigmes D, Nassar Y, Chevallier F, Bucher C, Wang R, Kermagoret A, Bardelang D. Internal Dynamics and Modular Peripheral Binding in Stimuli-Responsive 3 : 2 Host:Guest Complexes. Angew Chem Int Ed Engl 2024; 63:e202315985. [PMID: 38009627 DOI: 10.1002/anie.202315985] [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: 10/22/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 11/29/2023]
Abstract
Now that the chemistry of 1 : 1 host:guest complexes is well-established, it is surprising to note that higher stoichiometry (oligomeric) complexes, especially those with excess host, remain largely unexplored. Yet, proteins tend to oligomerize, affording new functions for cell machinery. Here, we show that cucurbit[n]uril (CB[n]) macrocycles combined with symmetric, linear di-viologens form unusual 3 : 2 host:guest complexes exhibiting remarkable dynamic properties, host self-sorting, and external ring-translocation. These results highlight the structural tunability of cucurbit[8]uril (CB[8]) based 3 : 2 host:guest complexes in water and their responsiveness toward several stimuli (chemicals, pH, redox).
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Affiliation(s)
- Hang Yin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Roselyne Rosas
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM, Spectropole, Marseille, France
| | - Stéphane Viel
- Aix Marseille Univ, CNRS, ICR, AMUtech, Marseille, France
- Institut Universitaire de France, 75005, Paris, France
| | - Michel Giorgi
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM, Spectropole, Marseille, France
| | - Valerie Monnier
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM, Spectropole, Marseille, France
| | | | - Didier Siri
- Aix Marseille Univ, CNRS, ICR, AMUtech, Marseille, France
| | - Didier Gigmes
- Aix Marseille Univ, CNRS, ICR, AMUtech, Marseille, France
| | - Youssef Nassar
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Laboratoire de Chimie, 69342, Lyon, France
| | - Floris Chevallier
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Laboratoire de Chimie, 69342, Lyon, France
| | - Christophe Bucher
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Laboratoire de Chimie, 69342, Lyon, France
| | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
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11
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Chowdhury A, Goswami S. Study of Drug Delivery Using Purely Organic Macrocyclic Containers-Cucurbit[7]uril and Pillararene. ACS OMEGA 2023; 8:47340-47366. [PMID: 38144095 PMCID: PMC10733925 DOI: 10.1021/acsomega.3c05465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 11/10/2023] [Accepted: 11/20/2023] [Indexed: 12/26/2023]
Abstract
An impaired immune system is the root of various human ailments provoking the urge to find vehicle-mediated quick delivery of small drug molecules and other vital metabolites to specific tissues and organs. Thus, drug delivery strategies are in need of improvement in therapeutic efficacy. It can be achieved only by increasing the drug-loading capacity, increasing the sustained release of a drug to its target site, easy relocation of drug molecules associated with facile complexation-induced properties of molecular vehicles, and high stimuli-responsive drug administration. Supramolecular drug delivery systems (SDDS) provide a much needed robust yet facile platform for fabricating innovative drug nanocarriers assembled by thermodynamically noncovalent interaction with the tunable framework and above-mentioned properties. Measures of cytotoxicity and biocompatibility are the two main criteria that lie at the root of any promising medicinal applications. This Review features significant advancements in (i) supramolecular host-guest complexation using cucurbit[7]uril (CB[7]), (ii) encapsulation of the drug and its delivery application tailored for CB[7], (iii) self-assembly of supramolecular amphiphiles, (iv) supramolecular guest relay using host-protein nanocavities, (v) pillararene (a unique macrocyclic host)-mediated SDDS for the delivery of smart nanodrugs for siRNA, fluorescent molecules, and insulin for juvenile diabetes. Furthermore, fundamental questions and future hurdles related to smart SDDS based on CB[7] and pillararenes and their future promising breakthrough implementations are also distinctly outlined in this Review.
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Affiliation(s)
- Arnab
Roy Chowdhury
- Department of Chemistry, Amity
University Kolkata, Kolkata, West Bengal 700135, India
| | - Soumyabrata Goswami
- Department of Chemistry, Amity
University Kolkata, Kolkata, West Bengal 700135, India
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12
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Kircheva N, Petkova V, Dobrev S, Nikolova V, Angelova S, Dudev T. N-Methyl- and N-Phenylpiperazine Functionalized Styryl Dyes Inside Cucurbiturils: Theoretical Assessment of the Factors Governing the Host-Guest Recognition. Molecules 2023; 28:8130. [PMID: 38138619 PMCID: PMC10746092 DOI: 10.3390/molecules28248130] [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: 11/19/2023] [Revised: 12/04/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
The family of cucurbiturils (CBs), the unique pumpkin-shaped macrocycles, has received great attention over the past four decades owing to their remarkable recognition properties. They have found diverse applications including biosensing and drug delivery technologies. The cucurbituril complexation of guest molecules can modulate their pKas, improve their solubility in aqueous solution, and reduce the adverse effects of the drugs, as well as enhance the stability and/or enable targeted delivery of the drug molecule. Employing twelve cationic styryl dyes with N-methyl- and N-phenylpiperazine functionality as probes, we attempted to understand the factors that govern the host-guest complexation of such molecules within CB[7] and CB[8] host systems. Various key factors determining the process were recognized, such as the pH and dielectric constant of the medium, the cavity size of the host, the chemical characteristics of the substituents in the guest entity, and the presence/absence of metal cations. The presented results add to our understanding (at the molecular level) of the mechanism of encapsulation of styryl dyes by cucurbiturils, thus shedding new light on various aspects of the intriguing complexation chemistry and the underlying recognition processes.
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Affiliation(s)
- Nikoleta Kircheva
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (N.K.); (V.P.); (S.D.); (S.A.)
| | - Vladislava Petkova
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (N.K.); (V.P.); (S.D.); (S.A.)
| | - Stefan Dobrev
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (N.K.); (V.P.); (S.D.); (S.A.)
| | - Valya Nikolova
- Faculty of Chemistry and Pharmacy, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria;
| | - Silvia Angelova
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (N.K.); (V.P.); (S.D.); (S.A.)
- University of Chemical Technology and Metallurgy, 8 St. Kliment Ohridski Blvd, 1756 Sofia, Bulgaria
| | - Todor Dudev
- Faculty of Chemistry and Pharmacy, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria;
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13
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Liu F, Kriat A, Rosas R, Bergé-Lefranc D, Gigmes D, Pascal S, Siri O, Liu S, Kermagoret A, Bardelang D. Controlled oligomeric guest stacking by cucurbiturils in water. Org Biomol Chem 2023; 21:9433-9442. [PMID: 37991010 DOI: 10.1039/d3ob01723k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Previously, we reported a guest molecule containing a viologen (V), a phenylene (P) and an imidazole (I) fragment (VPI) forming a host : guest 2 : 2 complex with cucurbit[8]uril (CB[8]) and an unprecedented 2 : 3 complex with cucurbit[10]uril (CB[10]). To better address the structural features required to form these complexes, two VPI analogues were designed and synthesized: the first with a tolyl (T) group grafted on the V part (T-VPI) and the second with a naphthalene (N) fused on the imidazole (I) part (VPI-N). While VPI-N afforded a discrete well-defined 2 : 2 complex with CB[8] and a 2 : 3 complex with CB[10], T-VPI organized also as a 2 : 2 complex with CB[8] but no well-defined complex was obtained with CB[10]. These complexes were studied by NMR spectroscopy, notably DOSY, which allowed us to estimate binding constants for 2 : 2 complex formation with CB[8], pointing to more stable 2 : 2 complexes with more hydrophobic guests. UV-vis and fluorescence spectroscopy confirmed complex formation, suggesting host-stabilized charge-transfer interactions. Therefore, the simple addition of CB[8] or CB[10] enabled us to control the level of guest stacking (dimer or trimer) using relevant pairs of synthetic hosts through spontaneous host : guest quaternary or quinary self-assembly.
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Affiliation(s)
- Fengbo Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China.
| | - Amine Kriat
- Aix Marseille Univ, CNRS, ICR, AMUTech, Marseille, France.
| | - Roselyne Rosas
- Aix Marseille Univ, CNRS, FSCM, Spectropole, Marseille, France
| | | | - Didier Gigmes
- Aix Marseille Univ, CNRS, ICR, AMUTech, Marseille, France.
| | - Simon Pascal
- Aix Marseille Univ, CNRS, CINAM, AMUTech, Marseille, France.
| | - Olivier Siri
- Aix Marseille Univ, CNRS, CINAM, AMUTech, Marseille, France.
| | - Simin Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China.
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14
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He S, Huang B, Xiao B, Chang S, Podalko M, Nau WM. Stabilization of Guest Molecules inside Cation-Lidded Cucurbiturils Reveals that Hydration of Receptor Sites Can Impede Binding. Angew Chem Int Ed Engl 2023; 62:e202313864. [PMID: 37812692 DOI: 10.1002/anie.202313864] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/11/2023]
Abstract
Docking of alkali metal ions to water-soluble macrocyclic receptors generally reduces the affinity of guest molecules due to competitive binding. The idea that solvation water molecules could display a larger steric hindrance towards guest binding than cations has not been considered to date. We show that the docking of large cations to cucurbit[5]uril (CB5) unexpectedly increases (by a factor of 5-8) the binding of hydrophobic guests, methane and ethane. This is due to the removal of water molecules from the carbonyl portals of CB5 during cation binding, which frees up space for hydrophobe encapsulation. In contrast, smaller cations like sodium protrude deeply into the cavity of CB5 and cause the expected decrease in binding, such that the rational selection of alkali cations allows for a variation of up to a factor of 20 in binding of methane and ethane. The statistical analysis of crystallographic data shows that the cavity volume of CB5 can be enlarged by placing large alkali ions (Rb+ and Cs+ ) centro-symmetrically at the portals. The results reveal a hitherto elusive steric hindrance of solvation water molecules near receptor binding sites, which is pertinent for the design of supramolecular catalysts and the understanding of biological receptors.
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Affiliation(s)
- Suhang He
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
- Center of Single-Molecule Sciences, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, 300350, Tianjin, China
| | - Bing Huang
- Faculty of Physics, University of Vienna, Kolingasse 14-16, 10905, Vienna, Austria
| | - Bohuai Xiao
- The State Key Laboratory of Refractories and Metallurgy, Faculty of Materials, Wuhan University of Science and Technology, 430081, Wuhan, Hubei, China
| | - Shuai Chang
- The State Key Laboratory of Refractories and Metallurgy, Faculty of Materials, Wuhan University of Science and Technology, 430081, Wuhan, Hubei, China
| | - Marina Podalko
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
| | - Werner M Nau
- School of Science, Constructor University, Campus Ring 1, 28759, Bremen, Germany
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15
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Liu X, Zheng L, Qin C, Li Y, Zhang JZH, Sun Z. Screening Power of End-Point Free-Energy Calculations in Cucurbituril Host-Guest Systems. J Chem Inf Model 2023; 63:6938-6946. [PMID: 37908066 DOI: 10.1021/acs.jcim.3c01356] [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: 11/02/2023]
Abstract
End-point free-energy methods as an indispensable component in virtual screening are commonly recognized as a tool with a certain level of screening power in pharmaceutical research. While a huge number of records could be found for end-point applications in protein-ligand, protein-protein, and protein-DNA complexes from academic and industrial reports, up to now, there is no large-scale benchmark in host-guest complexes supporting the screening power of end-point free-energy techniques. A good benchmark requires a data set of sufficient coverage of pharmaceutically relevant chemical space, a long-time sampling length supporting the trajectory approximation of the ensemble average, and a sufficient sample size of receptor-acceptor pairs to stabilize the performance statistics. In this work, selecting a popular family of macrocyclic hosts named cucurbiturils, we construct a large data set containing 154 host-guest pairs, perform extensive end-point sampling of several hundred nanosecond lengths for each system, and extract the free-energy estimates with a variety of end-point free-energy techniques, including the advanced three-trajectory dielectric-constant-variable regime proposed in our recent work. The best-performing end-point protocol employs GAFF2 for solute descriptions, the three-trajectory end-point sampling regime, and the MM/GBSA Hamiltonian in free-energy extraction, achieving a high ranking metrics of Kendall τ > 0.6, a Pearlman predictive index of ∼0.8, and a high scoring power of Pearson r > 0.8. The current project as the first large-scale systematic benchmark of end-point methods in host-guest complexes in academic publications provides solid evidence of the applicability of end-point techniques and direct guidance of computational setups in practical host-guest systems.
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Affiliation(s)
- Xiao Liu
- School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Lei Zheng
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Chu Qin
- School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Yang Li
- College of Information Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - John Z H Zhang
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
- Department of Chemistry, New York University, New York, New York 10003, United States
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- Faculty of Synthetic Biology and Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen Guangdong 518055, China
| | - Zhaoxi Sun
- Changping Laboratory, Beijing 102206, China
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16
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Prchalova E, Kohoutova Z, Knittelova K, Malinak D, Musilek K. Strategies for enhanced bioavailability of oxime reactivators in the central nervous system. Arch Toxicol 2023; 97:2839-2860. [PMID: 37642747 DOI: 10.1007/s00204-023-03587-0] [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: 03/10/2023] [Accepted: 08/10/2023] [Indexed: 08/31/2023]
Abstract
Oxime reactivators of acetylcholinesterase are commonly used to treat highly toxic organophosphate poisoning. They are effective nucleophiles that can restore the catalytic activity of acetylcholinesterase; however, their main limitation is the difficulty in crossing the blood-brain barrier (BBB) because of their strongly hydrophilic nature. Various approaches to overcome this limitation and enhance the bioavailability of oxime reactivators in the CNS have been evaluated; these include structural modifications, conjugation with molecules that have transporters in the BBB, bypassing the BBB through intranasal delivery, and inhibition of BBB efflux transporters. A promising approach is the use of nanoparticles (NPs) as the delivery systems. Studies using mesoporous silica nanomaterials, poly (L-lysine)-graft-poly(ethylene oxide) NPs, metallic organic frameworks, poly(lactic-co-glycolic acid) NPs, human serum albumin NPs, liposomes, solid lipid NPs, and cucurbiturils, have shown promising results. Some NPs are considered as nanoreactors for organophosphate detoxification; these combine bioscavengers with encapsulated oximes. This study provides an overview and critical discussion of the strategies used to enhance the bioavailability of oxime reactivators in the central nervous system.
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Affiliation(s)
- Eliska Prchalova
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Zuzana Kohoutova
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Karolina Knittelova
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - David Malinak
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic.
- Biomedical Research Centre, University Hospital in Hradec Kralove, Sokolska 581, 500 05, Hradec Kralove, Czech Republic.
| | - Kamil Musilek
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic.
- Biomedical Research Centre, University Hospital in Hradec Kralove, Sokolska 581, 500 05, Hradec Kralove, Czech Republic.
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17
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Yin H, Cheng Q, Bardelang D, Wang R. Challenges and Opportunities of Functionalized Cucurbiturils for Biomedical Applications. JACS AU 2023; 3:2356-2377. [PMID: 37772183 PMCID: PMC10523374 DOI: 10.1021/jacsau.3c00273] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 09/30/2023]
Abstract
Cucurbit[n]uril (CB[n]) macrocycles (especially CB[5] to CB[8]) have shown exceptional attributes since their discovery in 2000. Their stability, water solubility, responsiveness to several stimuli, and remarkable binding properties have enabled a growing number of biological applications. Yet, soon after their discovery, the challenge of their functionalization was set. Nevertheless, after more than two decades, a myriad of CB[n] derivatives has been described, many of them used in cells or in vivo for advanced applications. This perspective summarizes key advances of this burgeoning field and points to the next opportunities and remaining challenges to fully express the potential of these fascinating macrocycles in biology and biomedical sciences.
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Affiliation(s)
- Hang Yin
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University
of Macau, Taipa, Macau 999078, China
| | - Qian Cheng
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University
of Macau, Taipa, Macau 999078, China
| | | | - Ruibing Wang
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University
of Macau, Taipa, Macau 999078, China
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18
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Lončarić D, Movahedifar F, Štoček JR, Dračínský M, Cvačka J, Guan S, Bythell BJ, Císařová I, Masson E, Kaleta J. Solvent-controlled formation of alkali and alkali-earth-secured cucurbituril/guest trimers. Chem Sci 2023; 14:9258-9266. [PMID: 37712024 PMCID: PMC10498720 DOI: 10.1039/d3sc02032k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/08/2023] [Indexed: 09/16/2023] Open
Abstract
Cucurbit[7]uril (CB[7]) encapsulates adamantyl and trimethylsilyl substituents of positively charged guests in dimethyl sulfoxide (DMSO). Unlike in water or deuterium oxide, addition of a selection of alkali and alkali-earth cations with van der Waals radii between 1.0 and 1.4 Å (Na+, K+, Ca2+, Sr2+, Ba2+ and Eu3+) to the CB[7]/guest complexes triggers their cation-mediated trimerization, a process that is very slow on the nuclear magnetic resonance (NMR) time scale. Smaller (Li+, Mg2+) or larger cations (Rb+, Cs+ or NH4+) are inert. The trimers display extensive CH-O interactions between the equatorial and pseudo-equatorial hydrogens of CB[7] and the carbonyl rim of the neighboring CB[7] unit in the trimer, and a deeply nested cation between the three interacting carbonylated CB[7] rims; a counteranion is likely perched in the shallow cavity formed by the three outer walls of CB[7] in the trimer. Remarkably, a guest must occupy the cavity of CB[7] for trimerization to take place. Using a combination of semi-empirical and density functional theory techniques in conjunction with continuum solvation models, we showed that trimerization is favored in DMSO, and not in water, because the penalty for the partial desolvation of three of the six CB[7] portals upon aggregation into a trimer is less unfavorable in DMSO compared to water.
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Affiliation(s)
- Doroteja Lončarić
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 160 00 Prague 6 Czech Republic
- Department of Organic Chemistry, Faculty of Science, Charles University in Prague 128 40 Prague 2 Czech Republic
| | - Fahimeh Movahedifar
- Department of Chemistry and Biochemistry, Ohio University Athens Ohio 45701 USA
| | - Jakub Radek Štoček
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 160 00 Prague 6 Czech Republic
- Department of Organic Chemistry, Faculty of Science, Charles University in Prague 128 40 Prague 2 Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 160 00 Prague 6 Czech Republic
| | - Josef Cvačka
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 160 00 Prague 6 Czech Republic
| | - Shanshan Guan
- Department of Chemistry and Biochemistry, Ohio University Athens Ohio 45701 USA
| | - Benjamin J Bythell
- Department of Chemistry and Biochemistry, Ohio University Athens Ohio 45701 USA
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague 128 40 Prague 2 Czech Republic
| | - Eric Masson
- Department of Chemistry and Biochemistry, Ohio University Athens Ohio 45701 USA
| | - Jiří Kaleta
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 160 00 Prague 6 Czech Republic
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19
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Pramanik S, Chithra S, Rai S, Agrawal S, Shil D, Mukherjee S. Fluorescence Resonance Energy Transfer in a Supramolecular Assembly of Luminescent Silver Nanoclusters and a Cucurbit[8]uril-Based Host-Guest System. J Phys Chem B 2023. [PMID: 37470765 DOI: 10.1021/acs.jpcb.3c01914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The understanding of interactions between organic chromophores and biocompatible luminescent noble metal nanoclusters (NCs) leading to an energy transfer process that has applications in light-harvesting materials is still in its nascent stage. This work describes a photoluminescent supramolecular assembly, made in two stages, employing an energy transfer process between silver (Ag) NCs as the donor and a host-guest system as the acceptor that can find potential applications in diverse fields. Initially, we explored the host-guest chemistry between a cationic guest ethidium bromide and cucurbit[8]uril host to modulate the fluorescence property of the acceptor. The host-guest interactions were characterized by using UV-vis absorption, steady-state and time-resolved spectroscopy, molecular docking, proton 1H nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry, and isothermal calorimetry studies. Next, we prepared a series of blue-emitting AgNCs using different templates such as proteins and peptides. We have found that these AgNCs can be employed as a donor in the energy transfer process upon mixing with the above acceptor for emission color tuning. Our in-depth studies also revealed that surface ligands could play a key role in modulating the energy transfer efficiency. Overall, by employing a noncovalent strategy, we have tried to develop Förster resonance energy transfer (FRET) pairs using blue-emitting NCs and a host-guest complex that could find potential applications in constructing advanced sustainable light-harvesting, white light-emitting, and anti-counterfeiting materials.
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Affiliation(s)
- Srikrishna Pramanik
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Sree Chithra
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Saurabh Rai
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Sameeksha Agrawal
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Debanggana Shil
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Saptarshi Mukherjee
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
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20
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Yang X, Varini K, Godard M, Gassiot F, Sonnette R, Ferracci G, Pecqueux B, Monnier V, Charles L, Maria S, Hardy M, Ouari O, Khrestchatisky M, Lécorché P, Jacquot G, Bardelang D. Preparation and In Vitro Validation of a Cucurbit[7]uril-Peptide Conjugate Targeting the LDL Receptor. J Med Chem 2023. [PMID: 37339060 DOI: 10.1021/acs.jmedchem.3c00423] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
Here we report the coupling of a cyclic peptide (VH4127) targeting the low density lipoprotein (LDL) receptor (LDLR) noncompetitively to cucurbit[7]uril (CB[7]) to develop a new kind of drug delivery system (DDS), namely, CB[7]-VH4127, with maintained binding affinity to the LDLR. To evaluate the uptake potential of this bismacrocyclic compound, another conjugate was prepared comprising a high-affinity group for CB[7] (adamantyl(Ada)-amine) coupled to the fluorescent tracker Alexa680 (A680). The resulting A680-Ada·CB[7]-VH4127 supramolecular complex demonstrated conserved LDLR-binding potential and improved LDLR-mediated endocytosis and intracellular accumulation potential in LDLR-expressing cells. The combination of two technologies, namely, monofunctionalized CB[7] and the VH4127 LDLR-targeting peptide, opens new avenues in terms of targeting and intracellular delivery to LDLR-expressing tissues or tumors. The versatile transport capacity of CB[7], known to bind a large spectrum of bioactive or functional compounds, makes this new DDS suitable for a wide range of therapeutic or imaging applications.
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Affiliation(s)
- Xue Yang
- Aix Marseille Univ, CNRS, ICR, 13013 Marseille, France
| | | | | | | | | | - Géraldine Ferracci
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | | | - Valérie Monnier
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM, Spectropole, 13013 Marseille, France
| | | | | | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, 13013 Marseille, France
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, 13013 Marseille, France
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21
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Shukla S, Sagar B, Sood AK, Gaur A, Batra S, Gulati S. Supramolecular Chemotherapy with Cucurbit[ n]urils as Encapsulating Hosts. ACS APPLIED BIO MATERIALS 2023. [PMID: 37224296 DOI: 10.1021/acsabm.3c00244] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The cucurbit[n]urils (CB[n]) belong to the field of relatively young supramolecules which act as containers for a large variety of guests and are being explored extensively for their numerous biomedical applications. This includes drug formulation and delivery, controlled drug release, photodynamic therapy, sensing for bioanalytical purposes, etc. These supramolecular host-guest systems have distinctive recognition properties and have successfully been shown to enhance the in vitro and in vivo utility of various chemotherapeutic agents. The CB[n]s are tailored to optimize their application in payload delivery and diagnostics and in lowering the toxicity of existing drugs. This review has listed the recent studies on working mechanisms and host-guest complexation of the biologically vital molecules with CB[n] and highlighted their implementation in anticancer therapeutics. Various modifications in CB-drug inclusion compounds like CB supramolecular nanoarchitectures along with application in photodynamic therapy, which has shown potential as targeted drug delivery vehicles in cancer chemotherapy, have also been discussed.
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22
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Sun Z, He Q, Gong Z, Kalhor P, Huai Z, Liu Z. A General Picture of Cucurbit[8]uril Host–Guest Binding: Recalibrating Bonded Interactions. Molecules 2023; 28:molecules28073124. [PMID: 37049887 PMCID: PMC10095826 DOI: 10.3390/molecules28073124] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/15/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Atomic-level understanding of the dynamic feature of host–guest interactions remains a central challenge in supramolecular chemistry. The remarkable guest binding behavior of the Cucurbiturils family of supramolecular containers makes them promising drug carriers. Among Cucurbit[n]urils, Cucurbit[8]uril (CB8) has an intermediate portal size and cavity volume. It can exploit almost all host–guest recognition motifs formed by this host family. In our previous work, an extensive computational investigation of the binding of seven commonly abused and structurally diverse drugs to the CB8 host was performed, and a general dynamic binding picture of CB8-guest interactions was obtained. Further, two widely used fixed-charge models for drug-like molecules were investigated and compared in great detail, aiming at providing guidelines in choosing an appropriate charge scheme in host-guest modelling. Iterative refitting of atomic charges leads to improved binding thermodynamics and the best root-mean-squared deviation from the experimental reference is 2.6 kcal/mol. In this work, we focus on a thorough evaluation of the remaining parts of classical force fields, i.e., the bonded interactions. The widely used general Amber force fields are assessed and refitted with generalized force-matching to improve the intra-molecular conformational preference, and thus the description of inter-molecular host–guest interactions. The interaction pattern and binding thermodynamics show a significant dependence on the modelling parameters. The refitted system-specific parameter set improves the consistency of the modelling results and the experimental reference significantly. Finally, combining the previous charge-scheme comparison and the current force-field refitting, we provide general guidelines for the theoretical modelling of host–guest binding.
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23
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Fan Y, Cen R, Shan P, Redshaw C, Cong H, Xiao X, Ge Q. Supramolecular Assembly of Tetramethylcucurbit[6]uril and 2-Picolylamine. ACS OMEGA 2023; 8:9919-9924. [PMID: 36969427 PMCID: PMC10034995 DOI: 10.1021/acsomega.2c06989] [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: 11/02/2022] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
The supramolecular assembly of symmetrical tetramethylcucurbit[6]uril (TMeQ[6]) and 2-picolylamine (AMPy) has been investigated via various techniques, including ultraviolet-visible (UV-vis) and nuclear magnetic resonance spectroscopy, isothermal titration calorimetry (ITC), and X-ray crystallography. The results indicated that TMeQ[6] could encapsulate the AMPy guest molecule to form a stable inclusion complex. The rotational restriction of the guest in the cavity of TMeQ[6] resulted in a large negative value of entropy. The X-ray crystal structure of the 1:1 inclusion complex between TMeQ[6] and AMPy revealed that AMPy exists in the elliptical cavity of TMeQ[6].
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Affiliation(s)
- Ying Fan
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
| | - Ran Cen
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
| | - Peihui Shan
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
| | - Carl Redshaw
- Department
of Chemistry, University of Hull, Hull HU6 7RX, U.K.
| | - Hang Cong
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
- Enterprise
Technology Center of Guizhou Province, Guizhou
University, Guiyang 550025, China
| | - Xin Xiao
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
| | - Qingmei Ge
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China
- Enterprise
Technology Center of Guizhou Province, Guizhou
University, Guiyang 550025, China
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24
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El-Barghouthi MI, Assaf KI, Bodoor K, Alhamed DF, Alnajjar MA. Computational Study on the Encapsulation of Glucosamine Anomers by Cucurbit[6]uril and Cucurbit[8]uril in Aqueous Solution. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
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25
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Priya TJ, Sugumar RW, Harini M, Prasad NR. Host-Guest Complex of Cucurbituril with 5-Fluorouracil: Structural Study, Effect on Cytotoxicity, and Intracellular ROS Generation. Pharm Chem J 2023. [DOI: 10.1007/s11094-023-02824-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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26
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Martínez-Moro R, Del Pozo M, Mendieta-Moreno JI, Collado A, Canola S, Vázquez L, Petit-Domínguez MD, Casero E, Quintana C, Martín-Gago JA. Unveiling the Collaborative Effect at the Cucurbit[8]uril-MoS 2 Hybrid Interface for Electrochemical Melatonin Determination. Chemistry 2023; 29:e202203244. [PMID: 36534440 PMCID: PMC10107440 DOI: 10.1002/chem.202203244] [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: 10/17/2022] [Revised: 12/16/2022] [Accepted: 12/17/2022] [Indexed: 12/23/2022]
Abstract
Host-guest interactions are of paramount importance in supramolecular chemistry and in a wide range of applications. Particularly well known is the ability of cucurbit[n]urils (CB[n]) to selectively host small molecules. We show that the charge transfer and complexation capabilities of CB[n] are retained on the surface of 2D transition metal dichalcogenides (TMDs), allowing the development of efficient electrochemical sensing platforms. We unveil the mechanisms of host-guest recognition between the MoS2 -CB[8] hybrid interface and melatonin (MLT), an important molecular regulator of vital constants in vertebrates. We find that CB[8] on MoS2 organizes the receptor portals perpendicularly to the surface, facilitating MLT complexation. This advantageous adsorption geometry is specific to TMDs and favours MLT electro-oxidation, as opposed to other 2D platforms like graphene, where one receptor portal is closed. This study rationalises the cooperative interaction in 2D hybrid systems to improve the efficiency and selectivity of electrochemical sensing platforms.
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Affiliation(s)
- Rut Martínez-Moro
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - María Del Pozo
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Jesús I Mendieta-Moreno
- Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10, Prague 6, CZ 162 00, Czech Republic.,Departamento de Física Teórica de la Materia Condensada, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Alba Collado
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Sofia Canola
- Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10, Prague 6, CZ 162 00, Czech Republic
| | - Luis Vázquez
- ESISNA group, Instituto de Ciencia de Materiales de Madrid (CSIC), c/Sor Juana Inés de la Cruz 3, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - María Dolores Petit-Domínguez
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Elena Casero
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Carmen Quintana
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, N° 7, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - José A Martín-Gago
- ESISNA group, Instituto de Ciencia de Materiales de Madrid (CSIC), c/Sor Juana Inés de la Cruz 3, Campus de Excelencia de la Universidad Autónoma de Madrid, 28049, Madrid, Spain
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27
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Metal-Assisted Complexation of Fluorogenic Dyes by Cucurbit[7]uril and Cucurbit[8]uril: A DFT Evaluation of the Key Factors Governing the Host-Guest Recognition. Molecules 2023; 28:molecules28041540. [PMID: 36838524 PMCID: PMC9966945 DOI: 10.3390/molecules28041540] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/25/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
With the emergence of host-guest systems, a novel branch of complexation chemistry has found wide application in industries such as food, pharmacy, medicine, environmental protection and cosmetics. Along with the extensively studied cyclodextrins and calixarenes, the innovative cucurbiturils (CB) have enjoyed increased popularity among the scientific community as they possess even better qualities as cavitands as compared to the former molecules. Moreover, their complexation abilities could further be enhanced with the assistance of metal cations, which can interestingly exert a dual effect on the complexation process: either by competitively binding to the host entity or cooperatively associating with the CB@guest structures. In our previous work, two metal species (Mg2+ and Ga3+) have been found to bind to CB molecules in the strongest fashion upon the formation of host-guest complexes. The current study focuses on their role in the complex formation with three dye molecules: thiazole orange, neutral red, and thioflavin T. Various key factors influencing the process have been recognized, such as pH and the dielectric constant of the medium, the cavity size of the host, Mn+ charge, and the presence/absence of hydration shell around the metal cation. A well-calibrated DFT methodology, solidly based and validated and presented in the literature experimental data, is applied. The obtained results shed new light on several aspects of the cucurbituril complexation chemistry.
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28
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Anipa V, Tarzia A, Jelfs KE, Alexandrov EV, Addicoat MA. Pore topology analysis in porous molecular systems. ROYAL SOCIETY OPEN SCIENCE 2023; 10:220813. [PMID: 36778946 PMCID: PMC9905991 DOI: 10.1098/rsos.220813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/05/2022] [Indexed: 06/18/2023]
Abstract
Porous molecular materials are constructed from molecules that assemble in the solid-state such that there are cavities or an interconnected pore network. It is challenging to control the assembly of these systems, as the interactions between the molecules are generally weak, and subtle changes in the molecular structure can lead to vastly different intermolecular interactions and subsequently different crystal packing arrangements. Similarly, the use of different solvents for crystallization, or the introduction of solvent vapour, can result in different polymorphs and pore networks being formed. It is difficult to uniquely describe the pore networks formed, and thus we analyse 1033 crystal structures of porous molecular systems to determine the underlying topology of their void spaces and potential guest diffusion networks. Material-agnostic topology definitions are applied. We use the underlying topological nets to examine whether it is possible to apply isoreticular design principles to porous molecular materials. Overall, our automatic analysis of a large dataset gives a general insight into the relationships between molecular topologies and the topological nets of their pore network. We show that while porous molecular systems tend to pack similarly to non-porous molecules, the topologies of their pore distributions resemble those of more prominent porous materials, such as metal-organic frameworks and covalent organic frameworks.
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Affiliation(s)
- Verity Anipa
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Andrew Tarzia
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London W12 0BZ, UK
| | - Kim E. Jelfs
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London W12 0BZ, UK
| | - Eugeny V. Alexandrov
- Samara Center for Theoretical Materials Science (SCTMS), Samara University, Ac. Pavlov Street 1, Samara 443011, Russia
- Samara Center for Theoretical Materials Science (SCTMS), Samara State Technical University, Molodogvardeyskaya Street 244, Samara 443100, Russia
- Laboratory of Coherent Optics, Samara Branch of P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Novo-Sadovaya Street 221, Samara 443011, Russia
- Institute of Experimental Medicine and Biotechnology, Samara State Medical University, Chapayevskaya Street 89, Samara 443099, Russia
| | - Matthew A. Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
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29
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Yang X, Liu S. Cationic cyclophanes-in-cucurbit[10]uril: host-in-host complexes showing cooperative recognition towards neutral phenol guests. Supramol Chem 2023. [DOI: 10.1080/10610278.2023.2170233] [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: 02/02/2023]
Affiliation(s)
- Xiran Yang
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, P.R. China
| | - Simin Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, P.R. China
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30
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Investigation of the Interaction of Benzo(a)Pyrene and Fluoranthene with Cucurbit[n]urils (n = 6-8): Experimental and Molecular Dynamic Study. Molecules 2023; 28:molecules28031136. [PMID: 36770803 PMCID: PMC9920047 DOI: 10.3390/molecules28031136] [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: 12/19/2022] [Revised: 01/14/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The inclusion complexes of cucurbit[n]uril, CB[n] (n = 6-8), with poly aromatic hydrocarbon (PAH) Benzo(a)Pyrene (BaP), and fluoranthene (FLT) were investigated carefully in aqueous media. Fluorescence and 1H NMR spectroscopy were used to characterize and investigate the inclusion complexes that were prepared in the aqueous media. The most predominant complexes of both guests with hosts were the 1:1 guest: host complexes. Stability constants of 2322 ± 547 M-1, 7281 ± 689 M-1, 3566 ± 473 M-1 were obtained for the complexes of BaP with CB[6], CB[7], and CB[8], respectively. On the other hand, stability constants of 5900.270 ± 326 M-1, 726.87 ± 78 M-1, 3327.059 ± 153 M-1 were obtained for the complexes of FLT with CB[6], CB[7], and CB[8], respectively. Molecular dynamic (MD) simulations were used to study the mode and mechanism of the inclusion process and to monitor the stability of these complexes in aqueous media at an atomistic level. Analysis of MD trajectories has shown that both BaP and FLT form stable inclusion complexes with CB[7] and CB[8] in aqueous media throughout the simulation time, subsequently corroborating the experimental results. Nevertheless, the small size of CB[6] prohibited the encapsulation of the two PAHs inside the cavity, but stable exclusion complex was observed between them. The main driving forces for the stability of these complexes are the hydrophobic forces, van der Waals interactions, electrostatic effect, the π····π and C-H···π interaction. These results suggest that BaP and FLT can form stable complexes with CB[n] (n = 6-8) in solution.
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31
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He T, Hu X, Liu S. A High-Affinity and Removable Iminium Dication Guest for Recycling of Cucurbit[7]uril Materials. Org Lett 2023; 25:246-250. [PMID: 36576805 DOI: 10.1021/acs.orglett.2c04096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An iminium dication 1 was designed as a high-affinity and easily removable guest for cucurbit[7]uril (CB[7]). X-ray crystallographic analysis shows that maximized N+···O═C ion-dipole interactions and perfect packing coefficient are responsible for the high affinity of 1 for CB[7] (Ka > 1011 M-1). Under alkaline conditions, included 1 in CB[7]·1 is hydrolyzed into 2,6-adamantanedione and pyrrolidine that can be fully removed by further extraction, enabling the recycling of CB[7] materials.
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Affiliation(s)
- Tianci He
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Xianchen Hu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Simin Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.,The State Key Laboratory of Refractories and Metallurgy, Institute of Advanced Materials and Nanotechnology, Wuhan University of Science and Technology, Wuhan 430081, China
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32
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Chen K, Zhu ZQ, Zhang MH, Yang X, Li J, Chen C, Redshaw C. 4,4′-Biphenyldisulfonic acid induced coordination polymers of symmetrical tetramethyl cucurbit[6]uril with alkaline-earth metals for detection of antibiotics. CrystEngComm 2023. [DOI: 10.1039/d2ce01470j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Three new 3D TMeQ[6]-based coordination polymers of alkali-earth metal ions (Ca2+, Sr2+ and Ba2+) were characterized, and one can highly selectively detect NFX (norfloxacin) molecules via a fluorescence quenching effect.
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Affiliation(s)
- Kai Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Zhao-Qiang Zhu
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Ming-Hui Zhang
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Xiang Yang
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Jie Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Chen Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, Nanjing 210044, P. R. China
| | - Carl Redshaw
- Chemistry, School of Natural Sciences, University of Hull, Hull HU6 7RX, UK
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33
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Xiao T, Elmes R, Yao Y. Editorial: Host-guest chemistry of macrocycles- Volume II. Front Chem 2023; 11:1162019. [PMID: 36895319 PMCID: PMC9990904 DOI: 10.3389/fchem.2023.1162019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/23/2023] Open
Affiliation(s)
- Tangxin Xiao
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
| | - Robert Elmes
- Department of Chemistry, Maynooth University, National University of Ireland, Maynooth, Ireland.,Synthesis and Solid-State Pharmaceutical Centre (SSPC), Maynooth University, National University of Ireland, Maynooth, Ireland
| | - Yong Yao
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, China
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34
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Sensing cyclosarin (a chemical warfare agent) by Cucurbit[n]urils: A DFT/TD-DFT study. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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35
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Graphene Oxide Supramolecular Hybrid Hydrogels Based on Host−guest Assembled Electrostatic Cross-linker. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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36
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Carbon dots modified/prepared by supramolecular host molecules and their potential applications: A review. Anal Chim Acta 2022; 1232:340475. [DOI: 10.1016/j.aca.2022.340475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/18/2022]
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37
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Sun S, Luo Y, Yang Y, Chen J, Li S, Wu Z, Shi S. Supramolecular Interfaces and Reconfigurable Liquids Derived from Cucurbit[7]uril Surfactants. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204182. [PMID: 36148850 DOI: 10.1002/smll.202204182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Nanoparticle surfactants (NPSs) offer a powerful means to stabilize the oil-water interface and construct all-liquid devices with advanced functions. However, as the nanoparticle size decreases to molecular-scale, the binding energy of the NPS to the interface reduces significantly, leading to a dynamic adsorption of NPS and "liquid-like" state of the interfacial assemblies. Here, by using the host-guest recognition between a water-soluble small molecule, cucurbit[7]uril (CB[7]) and an oil-soluble polymer ligand, methyl viologen-terminated polystyrene, a supramolecular NPS model, termed CB[7] surfactant, is described. CB[7] surfactants form and assemble rapidly at the oil-water interface, generating an elastic film with excellent mechanical properties. The binding energy of CB[7] surfactant to the interface is sufficiently high to hold it in a jammed state, transforming the interfacial assemblies from a "liquid-like" to "solid-like" state, enabling the structuring of liquids. With CB[7] surfactants as the emulsifier, O/W, W/O and O/W/O emulsions can be prepared in one step. Owing to the guest-competitive responsiveness of CB[7] surfactants, the assembly/disassembly and jamming/unjamming of CB[7] surfactants can be well controlled, leading to the reconfiguration of all-liquid constructs.
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Affiliation(s)
- Shuyi Sun
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuzheng Luo
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yang Yang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jie Chen
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuailong Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, 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
| | - Shaowei Shi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering and Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
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38
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Stenina EV, Sviridova LN. Electrochemical Properties of Cationic Complexes of Molecular Containers from Cucurbituril Family. RUSS J ELECTROCHEM+ 2022. [DOI: 10.1134/s1023193522110106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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39
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Yang X, Li C, Giorgi M, Siri D, Bugaut X, Chatelet B, Gigmes D, Yemloul M, Hornebecq V, Kermagoret A, Brasselet S, Martinez A, Bardelang D. Energy‐Efficient Iodine Uptake by a Molecular Host⋅Guest Crystal. Angew Chem Int Ed Engl 2022; 61:e202214039. [PMID: 36198650 PMCID: PMC10092189 DOI: 10.1002/anie.202214039] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Indexed: 11/07/2022]
Abstract
Recently, porous organic crystals (POC) based on macrocycles have shown exceptional sorption and separation properties. Yet, the impact of guest presence inside a macrocycle prior to adsorption has not been studied. Here we show that the inclusion of trimethoxybenzyl-azaphosphatrane in the macrocycle cucurbit[8]uril (CB[8]) affords molecular porous host⋅guest crystals (PHGC-1) with radically new properties. Unactivated hydrated PHGC-1 adsorbed iodine spontaneously and selectively at room temperature and atmospheric pressure. The absence of (i) heat for material synthesis, (ii) moisture sensitivity, and (iii) energy-intensive steps for pore activation are attractive attributes for decreasing the energy costs. 1 H NMR and DOSY were instrumental for monitoring the H2 O/I2 exchange. PHGC-1 crystals are non-centrosymmetric and I2 -doped crystals showed markedly different second harmonic generation (SHG), which suggests that iodine doping could be used to modulate the non-linear optical properties of porous organic crystals.
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Affiliation(s)
- Xue Yang
- Aix Marseille Univ CNRS ICR AMUTech Marseille France
| | - Chunyang Li
- School of Materials Science and Engineering & Material Corrosion and Protection Key Laboratory of Sichuan Province Sichuan University of Science & Engineering Zigong 643000 P. R. China
- Aix Marseille Univ CNRS Centrale Marseille iSm2 AMUTech Marseille France
| | - Michel Giorgi
- Aix Marseille Univ CNRS, Centrale Marseille, FSCM Spectropole Marseille France
| | - Didier Siri
- Aix Marseille Univ CNRS ICR AMUTech Marseille France
| | - Xavier Bugaut
- Université de Strasbourg Université de Haute-Alsace CNRS LIMA UMR 7042 67000 Strasbourg France
| | - Bastien Chatelet
- Aix Marseille Univ CNRS Centrale Marseille iSm2 AMUTech Marseille France
| | - Didier Gigmes
- Aix Marseille Univ CNRS ICR AMUTech Marseille France
| | - Mehdi Yemloul
- Aix Marseille Univ CNRS Centrale Marseille iSm2 AMUTech Marseille France
| | | | | | | | - Alexandre Martinez
- Aix Marseille Univ CNRS Centrale Marseille iSm2 AMUTech Marseille France
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40
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Wang X, Luo G, Zhang L, Zheng J, Li X, Tao Z, Zhang Q. Study on the recognition of psoralen and psoralen@cucurbit[8]uril fluorescent probe for Fe3+ ions. J INCL PHENOM MACRO 2022. [DOI: 10.1007/s10847-022-01169-8] [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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41
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Jones LM, Super EH, Batt LJ, Gasbarri M, Coppola F, Bhebhe LM, Cheesman BT, Howe AM, Král P, Coulston R, Jones ST. Broad-Spectrum Extracellular Antiviral Properties of Cucurbit[ n]urils. ACS Infect Dis 2022; 8:2084-2095. [PMID: 36062478 PMCID: PMC9578052 DOI: 10.1021/acsinfecdis.2c00186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Viruses are microscopic pathogens capable of causing disease and are responsible for a range of human mortalities and morbidities worldwide. They can be rendered harmless or destroyed with a range of antiviral chemical compounds. Cucurbit[n]urils (CB[n]s) are a family of macrocycle chemical compounds existing as a range of homologues; due to their structure, they can bind to biological materials, acting as supramolecular "hosts" to "guests", such as amino acids. Due to the increasing need for a nontoxic antiviral compound, we investigated whether cucurbit[n]urils could act in an antiviral manner. We have found that certain cucurbit[n]uril homologues do indeed have an antiviral effect against a range of viruses, including herpes simplex virus 2 (HSV-2), respiratory syncytial virus (RSV) and SARS-CoV-2. In particular, we demonstrate that CB[7] is the active homologue of CB[n], having an antiviral effect against enveloped and nonenveloped species. High levels of efficacy were observed with 5 min contact times across different viruses. We also demonstrate that CB[7] acts with an extracellular virucidal mode of action via host-guest supramolecular interactions between viral surface proteins and the CB[n] cavity, rather than via cell internalization or a virustatic mechanism. This finding demonstrates that CB[7] acts as a supramolecular virucidal antiviral (a mechanism distinct from other current extracellular antivirals), demonstrating the potential of supramolecular interactions for future antiviral disinfectants.
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Affiliation(s)
- Luke M. Jones
- Department
of Materials and The Henry Royce Institute, The University of Manchester, Manchester M19 3PL, United
Kingdom
| | - Elana H. Super
- Department
of Materials and The Henry Royce Institute, The University of Manchester, Manchester M19 3PL, United
Kingdom
| | - Lauren J. Batt
- Department
of Materials and The Henry Royce Institute, The University of Manchester, Manchester M19 3PL, United
Kingdom
| | - Matteo Gasbarri
- Institute
of Materials, Interfaculty Bioengineering
Institute, MXG 030 Lausanne, Switzerland
| | - Francesco Coppola
- Department
of Chemistry, University of Illinois at
Chicago, Chicago, Illinois 60607, United States
| | - Lorraine M. Bhebhe
- Department
of Materials and The Henry Royce Institute, The University of Manchester, Manchester M19 3PL, United
Kingdom
| | - Benjamin T. Cheesman
- Aqdot
Limited, Iconix Park,
London Road, Pampisford, Cambridge CB22 3EG, United Kingdom
| | - Andrew M. Howe
- Aqdot
Limited, Iconix Park,
London Road, Pampisford, Cambridge CB22 3EG, United Kingdom
| | - Petr Král
- Department
of Chemistry, University of Illinois at
Chicago, Chicago, Illinois 60607, United States,Department
of Physics and Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Roger Coulston
- Aqdot
Limited, Iconix Park,
London Road, Pampisford, Cambridge CB22 3EG, United Kingdom
| | - Samuel T. Jones
- Department
of Materials and The Henry Royce Institute, The University of Manchester, Manchester M19 3PL, United
Kingdom,
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42
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Miskolczy Z, Megyesi M, Biczók L. Role of kinetic stabilization in the inclusion of the pharmaceutically important chelerythrine and nitidine alkaloids in cucurbit[7]uril. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Liang Y, Li E, Wang K, Guan ZJ, He HH, Zhang L, Zhou HC, Huang F, Fang Y. Organo-macrocycle-containing hierarchical metal-organic frameworks and cages: design, structures, and applications. Chem Soc Rev 2022; 51:8378-8405. [PMID: 36112107 DOI: 10.1039/d2cs00232a] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Developing hierarchical ordered systems is challenging. Using organo-macrocycles to construct metal-organic frameworks (MOFs) and porous coordination cages (PCCs) provides an efficient way to obtain hierarchical assemblies. Macrocycles, such as crown ethers, cyclodextrins, calixarenes, cucurbiturils, and pillararenes, can be incorporated within MOFs/PCCs and they also endow the resultant composites with enhanced properties and functionalities. This review summarizes recent developments of organo-macrocycle-containing hierarchical MOFs/PCCs, emphasizing applications and structure-property relationships of these hierarchically porous materials. This review provides insights for future research on hierarchical self-assembly using macrocycles as building blocks and functional ligands to extend the applications of the composites.
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Affiliation(s)
- Yu Liang
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Errui Li
- State Key Laboratory of Chemical Engineering, Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Kunyu Wang
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
| | - Zong-Jie Guan
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Hui-Hui He
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.,Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Liangliang Zhang
- Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
| | - Feihe Huang
- State Key Laboratory of Chemical Engineering, Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China.,Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yu Fang
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
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Hu JH, Cen R, Liu M, Shan PH, Prior TJ, Redshaw C, Huang Y, Tao Z, Xiao X. Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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A profound change from the classic mechanism of electrophilic aromatic substitution in the gas phase to a novel mechanism, including the hydride transfer in the presence of Cucurilbit[6] uril (DFT prediction). MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Messiad FA, Ammouchi N, Belhocine Y, Alhussain H, Ghoniem MG, Said RB, Ali FAM, Rahali S. In Search of Preferential Macrocyclic Hosts for Sulfur Mustard Sensing and Recognition: A Computational Investigation through the New Composite Method r 2SCAN-3c of the Key Factors Influencing the Host-Guest Interactions. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2517. [PMID: 35893486 PMCID: PMC9329917 DOI: 10.3390/nano12152517] [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: 06/29/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/29/2022]
Abstract
Sulfur mustard (SM) is a harmful warfare agent that poses a serious threat to human health and the environment. Thus, the design of porous materials capable of sensing and/or capturing SM is of utmost importance. In this paper, the interactions of SM and its derivatives with ethylpillar[5]arene (EtP[5]) and the interactions between SM and a variety of host macrocycles were investigated through molecular docking calculations and non-covalent interaction (NCI) analysis. The electronic quantum parameters were computed to assess the chemical sensing properties of the studied hosts toward SM. It was found that dispersion interactions contributed significantly to the overall complexation energy, leading to the stabilization of the investigated systems. DFT energy computations showed that SM was more efficiently complexed with DCMP[5] than the other hosts studied here. Furthermore, the studied macrocyclic containers could be used as host-based chemical sensors or receptors for SM. These findings could motivate experimenters to design efficient sensing and capturing materials for the detection of SM and its derivatives.
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Affiliation(s)
- Fatine Ali Messiad
- Department of Process Engineering, Faculty of Technology, Université 20 Août 1955, El Hadaik Road, Skikda 21000, Algeria;
- LRPCSI-Laboratoire de Recherche sur la Physico-Chimie des Surfaces et Interfaces, Université 20 Août 1955, Skikda 21000, Algeria
| | - Nesrine Ammouchi
- LRPCSI-Laboratoire de Recherche sur la Physico-Chimie des Surfaces et Interfaces, Université 20 Août 1955, Skikda 21000, Algeria
- Département de Technologie, Faculté de Technologie, Université 20 Août 1955, B.P. 26, Route d’El Hadaiek, Skikda 21000, Algeria
| | - Youghourta Belhocine
- Department of Process Engineering, Faculty of Technology, Université 20 Août 1955, El Hadaik Road, Skikda 21000, Algeria;
| | - Hanan Alhussain
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia; (H.A.); (M.G.G.); (F.A.M.A.)
| | - Monira Galal Ghoniem
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia; (H.A.); (M.G.G.); (F.A.M.A.)
| | - Ridha Ben Said
- Department of Chemistry, College of Science and Arts, Qassim University, P.O. 53, Ar Rass 51921, Saudi Arabia;
- Laboratoire de Caractérisations, Applications et Modélisations des Matériaux, Faculté des Sciences de Tunis, Université Tunis El Manar, Tunis 2092, Tunisia
| | - Fatima Adam Mohamed Ali
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia; (H.A.); (M.G.G.); (F.A.M.A.)
| | - Seyfeddine Rahali
- Department of Chemistry, College of Science and Arts, Qassim University, P.O. 53, Ar Rass 51921, Saudi Arabia;
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Jallinoja VIJ, Carney BD, Bhatt K, Abbriano CH, Schlyer DJ, Yazaki PJ, Houghton JL. Investigation of Copper-64-Based Host-Guest Chemistry Pretargeted Positron Emission Tomography. Mol Pharm 2022; 19:2268-2278. [PMID: 35700402 PMCID: PMC11271262 DOI: 10.1021/acs.molpharmaceut.2c00102] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pretargeting is a technique that uses macromolecules as targeting agents for nuclear imaging and therapy with the goal of reducing the radiation toxicity to healthy tissues often associated with directly radiolabeled macromolecules. In pretargeting, a macromolecule is radiolabeled in vivo at the target site using a radiolabeled small molecule (radioligand) that interacts with the macromolecule with high specificity. We report an investigation of host-guest chemistry-driven pretargeting using copper-64 radiolabeled ferrocene (Fc; guest) compounds and a cucurbit[7]uril (CB7; host) molecule functionalized carcinoembryonic antigen targeting hT84.66-M5A monoclonal antibody (CB7-M5A). Two novel ferrocene-based radioligands ([64Cu]Cu-NOTA-PEG3-Fc and [64Cu]Cu-NOTA-PEG7-Fc) were prepared, and their in vitro stability, pharmacokinetic in vivo profile in healthy mice, and pretargeting performance in a subcutaneous BxPC3 human pancreatic cancer cell xenograft mouse model were compared. The antibody dosing was optimized using a zirconium-89 radiolabeled M5A antibody ([89Zr]Zr-DFO-M5A) in a BxPC3 xenograft model, and the dosimetry of [89Zr]Zr-DFO-M5A and the pretargeting approach were compared. Finally, the effects of varying lag times up to 9 days between CB7-M5A and radioligand injection were investigated. In vivo pretargeting studies with both ferrocene radioligands resulted in specific tumor uptake (p = 0.0006 and p = 0.003) and also showed that the host-guest-based pretargeting approach excels with extended lag times up to 9 days with good tumor localization, suggesting that host-guest pretargeting may be suitable for use without clearing agents which have complicated clinical application of this technique. To our knowledge, the reported lag time of 9 days is the longest investigated lag time in any reported pretargeting studies.
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Affiliation(s)
- Vilma I J Jallinoja
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
- Chemical and Physical Biology Graduate Program, Vanderbilt University, Nashville, Tennessee 37232, United States
| | - Brandon D Carney
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
| | - Kavita Bhatt
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
| | - Courtney H Abbriano
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
| | - David J Schlyer
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Paul J Yazaki
- Beckman Institute, City of Hope, Duarte, California 91010, United States
| | - Jacob L Houghton
- Department of Radiology, Stony Brook University, Stony Brook, New York 11794, United States
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Bodoor K, El-Barghouthi MI, Alhamed DF, Assaf KI, Alrawashdeh L. Cucurbit[7]uril recognition of glucosamine anomers in water. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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49
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Xiao T, James TD, Borovkov V, Castellano RK, Deng C. Editorial: Suprastars of Chemistry. Front Chem 2022; 10:932508. [PMID: 35734441 PMCID: PMC9207770 DOI: 10.3389/fchem.2022.932508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/24/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Tangxin Xiao
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
- *Correspondence: Tangxin Xiao, ; Tony D. James, ; Victor Borovkov, ; Ronald K. Castellano, ; Chao Deng,
| | - Tony D. James
- Department of Chemistry, University of Bath, Bath, United Kingdom
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
- *Correspondence: Tangxin Xiao, ; Tony D. James, ; Victor Borovkov, ; Ronald K. Castellano, ; Chao Deng,
| | - Victor Borovkov
- Department of Chemistry and Biotechnology, School of Science, Tallinn University of Technology, Tallinn, Estonia
- *Correspondence: Tangxin Xiao, ; Tony D. James, ; Victor Borovkov, ; Ronald K. Castellano, ; Chao Deng,
| | - Ronald K. Castellano
- Department of Chemistry, University of Florida, Gainesville, FL, United States
- *Correspondence: Tangxin Xiao, ; Tony D. James, ; Victor Borovkov, ; Ronald K. Castellano, ; Chao Deng,
| | - Chao Deng
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou, China
- *Correspondence: Tangxin Xiao, ; Tony D. James, ; Victor Borovkov, ; Ronald K. Castellano, ; Chao Deng,
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50
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The role of water molecular structuring in the formation of the inclusion compounds based on cucurbit[8]uril and trans-[Co(en)2Cl2]+, trans-[Ru(en)2Cl2]+ complexes: a DFT examination. J INCL PHENOM MACRO 2022. [DOI: 10.1007/s10847-022-01146-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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