1
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Pollet R, Dognon JP, Berthault P. Isomer-Dependent Escape Rate of Xenon from a Water-Soluble Cryptophane Cage Studied by Ab Initio Molecular Dynamics. Chemphyschem 2024; 25:e202300509. [PMID: 37905939 DOI: 10.1002/cphc.202300509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/31/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
The escape of xenon from the anti and syn diastereomers of hexacarboxylic-cryptophane-222 in water has been studied by ab initio molecular dynamics simulations. The structures of both complexes, when the xenon atom is trapped inside their cages, have been compared and show no major differences. The free-energy profiles corresponding to the escape reaction have been calculated with the Blue Moon ensemble method using the distance between Xe and the center of mass of the cage as the reaction coordinate. The resulting free-energy barriers are very different; the escape rate is much faster in the case of the syn diastereomer, in agreement with experimental data obtained in hyperpolarized 129 Xe NMR. Our simulations reveal the mechanistic details for each diastereomer and provide an explanation for the different in-out xenon rates based on the solvation structure around the cages.
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Affiliation(s)
- R Pollet
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91191, Gif-sur-Yvette, France
| | - J-P Dognon
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91191, Gif-sur-Yvette, France
| | - P Berthault
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91191, Gif-sur-Yvette, France
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2
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Zaleskaya-Hernik M, Karbarz M, Romański J. The use of microelectrodes to study ion recognition by a squaramide-based ion pair receptor consisting of a ferrocene reporter. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.117058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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3
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Montà-González G, Sancenón F, Martínez-Máñez R, Martí-Centelles V. Purely Covalent Molecular Cages and Containers for Guest Encapsulation. Chem Rev 2022; 122:13636-13708. [PMID: 35867555 PMCID: PMC9413269 DOI: 10.1021/acs.chemrev.2c00198] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Cage compounds offer unique binding pockets similar to enzyme-binding sites, which can be customized in terms of size, shape, and functional groups to point toward the cavity and many other parameters. Different synthetic strategies have been developed to create a toolkit of methods that allow preparing tailor-made organic cages for a number of distinct applications, such as gas separation, molecular recognition, molecular encapsulation, hosts for catalysis, etc. These examples show the versatility and high selectivity that can be achieved using cages, which is impossible by employing other molecular systems. This review explores the progress made in the field of fully organic molecular cages and containers by focusing on the properties of the cavity and their application to encapsulate guests.
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Affiliation(s)
- Giovanni Montà-González
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain
| | - Félix Sancenón
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain,R.M.-M.: email,
| | - Vicente Martí-Centelles
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,V.M.-C.:
email,
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4
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Mitschang L, Korchak S, Kilian W, Riemer T. Comprehensive Quantitative and Calibration-Free Evaluation of Hyperpolarized Xenon-Host Interaction by Multiparametric NMR. Anal Chem 2022; 94:2561-2568. [PMID: 35089685 DOI: 10.1021/acs.analchem.1c04482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The probing of microscopic environments by hyperpolarized xenon NMR has spurred investigations in supramolecular chemistry as well as important biosensing and molecular imaging applications. While xenon exchange with host structures at micromolar concentrations and below can be readily detected, a quantitative analysis is limited, requiring complementary experimentation by different methodologies and thus lacking completeness and compromising the validity and comparability of numerical results. Here, a new NMR measurement and data analysis approach is introduced for the comprehensive characterization of the host-xenon binding dynamics. The application of chemical exchange saturation transfer of hyperpolarized 129Xe under parametric modulation of the saturation RF amplitude and xenon gas saturation of the solution enables a delineation of exchange mechanisms and, through modeling, a numerical estimation of the various reaction rate constants (and thus magnetization exchange rate constants), the xenon affinity, and the total host molecule concentration. Only the numerical xenon solubility is additionally required for input, a quantity that has a low impact on the measurement uncertainty and is derivable from metrological data collections. Signal calibration by a reference material may thus be avoided, qualifying the method as calibration-free. For demonstration a xenon exchange with the host cucurbit[6]uril at low concentration is investigated, with the numerical results being validated by standard quantitative NMR data obtained at high concentration. The readiness to evaluate xenon exchange for the one sample at hand and in a single experimental attempt by the proposed method may allow comprehensive quantitative studies in supramolecular chemistry, biomacromolecular structure and dynamics, and sensing.
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Affiliation(s)
- Lorenz Mitschang
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin (PTB), Abbestraße 2-12, 10587 Berlin, Germany
| | - Sergey Korchak
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin (PTB), Abbestraße 2-12, 10587 Berlin, Germany
| | - Wolfgang Kilian
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin (PTB), Abbestraße 2-12, 10587 Berlin, Germany
| | - Thomas Riemer
- University of Leipzig, Institute of Medical Physics and Biophysics, Medical Department, Härtelstraße 16-18, 04107 Leipzig, Germany
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5
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Abstract
The use of magnetic resonance imaging (MRI) and spectroscopy (MRS) in the clinical setting enables the acquisition of valuable anatomical information in a rapid, non-invasive fashion. However, MRI applications for identifying disease-related biomarkers are limited due to low sensitivity at clinical magnetic field strengths. The development of hyperpolarized (hp) 129Xe MRI/MRS techniques as complements to traditional 1H-based imaging has been a burgeoning area of research over the past two decades. Pioneering experiments have shown that hp 129Xe can be encapsulated within host molecules to generate ultrasensitive biosensors. In particular, xenon has high affinity for cryptophanes, which are small organic cages that can be functionalized with affinity tags, fluorophores, solubilizing groups, and other moieties to identify biomedically relevant analytes. Cryptophane sensors designed for proteins, metal ions, nucleic acids, pH, and temperature have achieved nanomolar-to-femtomolar limits of detection via a combination of 129Xe hyperpolarization and chemical exchange saturation transfer (CEST) techniques. This review aims to summarize the development of cryptophane biosensors for 129Xe MRI applications, while highlighting innovative biosensor designs and the consequent enhancements in detection sensitivity, which will be invaluable in expanding the scope of 129Xe MRI. This review aims to summarize the development of cryptophane biosensors for 129Xe MRI applications, while highlighting innovative biosensor designs and the consequent enhancements in detection sensitivity, which will be invaluable in expanding the scope of 129Xe MRI.![]()
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Affiliation(s)
- Serge D Zemerov
- Department of Chemistry, University of Pennsylvania, 231 South 34 St., Philadelphia, PA 19104-6323, USA
| | - Ivan J Dmochowski
- Department of Chemistry, University of Pennsylvania, 231 South 34 St., Philadelphia, PA 19104-6323, USA
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6
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Jiang W, Guo Q, Luo Q, Zhang X, Yuan Y, Li H, Zhou X. Molecular Concentration Determination Using Long-Interval Chemical Exchange Inversion Transfer (CEIT) NMR Spectroscopy. J Phys Chem Lett 2021; 12:8652-8657. [PMID: 34472873 DOI: 10.1021/acs.jpclett.1c02239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Functionalized hyperpolarized xenon "cage" molecules have often been used for ultrasensitive detection of biomolecules and microenvironment properties. However, the rapid and accurate measurement of molecule concentration is still a challenge. Here, we report a molecule concentration measurement method using long-interval chemical exchange inversion transfer (CEIT) NMR spectroscopy. The molecule concentration can be quantitatively measured with only 2 scans, which shortens the acquisition time by about 10 times compared to conventional Hyper-CEST (chemical exchange saturation transfer) z-spectrum method. Moreover, we found that the accuracy of concentration determination would be the best when the CEIT effect is 1-1/e or close to it, and a relative deviation of CrA-(COOH)6 less than ±1% has been achieved by only a one-step optimization of the number of cycles. The proposed method enables efficient and accurate determination of molecule concentration, which provides a potential way for rapid quantitative molecular imaging applications.
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Affiliation(s)
- Weiping Jiang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Qianni Guo
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Qing Luo
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
| | - Xiaoxiao Zhang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
| | - Yaping Yuan
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Haidong Li
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xin Zhou
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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7
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Zemerov SD, Lin Y, Dmochowski IJ. Monomeric Cryptophane with Record-High Xe Affinity Gives Insights into Aggregation-Dependent Sensing. Anal Chem 2021; 93:1507-1514. [PMID: 33356164 DOI: 10.1021/acs.analchem.0c03776] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cryptophane host molecules provide ultrasensitive contrast agents for 129Xe NMR/MRI. To investigate key features of cryptophane-Xe sensing behavior, we designed a novel water-soluble cryptophane with a pendant hydrophobic adamantyl moiety, which has good affinity for a model receptor, beta-cyclodextrin (β-CD). Adamantyl-functionalized cryptophane-A (AFCA) was synthesized and characterized for Xe affinity, 129Xe NMR signal, and aggregation state at varying AFCA and β-CD concentrations. The Xe-AFCA association constant was determined by fluorescence quenching, KA = 114,000 ± 5000 M-1 at 293 K, which is the highest reported affinity for a cryptophane host in phosphate-buffered saline (pH 7.2). No hyperpolarized (hp) 129Xe NMR peak corresponding to AFCA-bound Xe was directly observed at high (100 μM) AFCA concentration, where small cryptophane aggregates were observed, and was only detected at low (15 μM) AFCA concentration, where the sensor remained fully monomeric in solution. Additionally, we observed no change in the chemical shift of AFCA-encapsulated 129Xe after β-CD binding to the adamantyl moiety and a concomitant lack of change in the size distribution of the complex, suggesting that a change in the aggregation state is necessary to elicit a 129Xe NMR chemical shift in cryptophane-based sensing. These results aid in further elucidating the recently discovered aggregation phenomenon, highlight limitations of cryptophane-based Xe sensing, and offer insights into the design of monomeric, high-affinity Xe sensors.
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Affiliation(s)
- Serge D Zemerov
- Department of Chemistry, University of Pennsylvania, 231 S 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Yannan Lin
- Department of Chemistry, University of Pennsylvania, 231 S 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Ivan J Dmochowski
- Department of Chemistry, University of Pennsylvania, 231 S 34th Street, Philadelphia, Pennsylvania 19104, United States
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8
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Highly Efficient, Tripodal Ion-Pair Receptors for Switching Selectivity between Acetates and Sulfates Using Solid-Liquid and Liquid-Liquid Extractions. Int J Mol Sci 2020; 21:ijms21249465. [PMID: 33322738 PMCID: PMC7764408 DOI: 10.3390/ijms21249465] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 11/18/2022] Open
Abstract
A tripodal, squaramide-based ion-pair receptor 1 was synthesized in a modular fashion, and 1H NMR and UV-vis studies revealed its ability to interact more efficiently with anions with the assistance of cations. The reference tripodal anion receptor 2, lacking a crown ether unit, was found to lose the enhancement in anion binding induced by presence of cations. Besides the ability to bind anions in enhanced manner by the “single armed” ion-pair receptor 3, the lack of multiple and prearranged binding sites resulted in its much lower affinity towards anions than in the case of tripodal receptors. Unlike with receptors 2 or 3, the high affinity of 1 towards salts opens up the possibility of extracting extremely hydrophilic sulfate anions from aqueous to organic phase. The disparity in receptor 1 binding modes towards monovalent anions and divalent sulfates assures its selectivity towards sulfates over other lipophilic salts upon liquid–liquid extraction (LLE) and enables the Hofmeister bias to be overcome. By changing the extraction conditions from LLE to SLE (solid–liquid extraction), a switch of selectivity from sulfates to acetates was achieved. X-ray measurements support the ability of anion binding by cooperation of the arms of receptor 1 together with simultaneous binding of cations.
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9
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Jayapaul J, Schröder L. Molecular Sensing with Host Systems for Hyperpolarized 129Xe. Molecules 2020; 25:E4627. [PMID: 33050669 PMCID: PMC7587211 DOI: 10.3390/molecules25204627] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/27/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Hyperpolarized noble gases have been used early on in applications for sensitivity enhanced NMR. 129Xe has been explored for various applications because it can be used beyond the gas-driven examination of void spaces. Its solubility in aqueous solutions and its affinity for hydrophobic binding pockets allows "functionalization" through combination with host structures that bind one or multiple gas atoms. Moreover, the transient nature of gas binding in such hosts allows the combination with another signal enhancement technique, namely chemical exchange saturation transfer (CEST). Different systems have been investigated for implementing various types of so-called Xe biosensors where the gas binds to a targeted host to address molecular markers or to sense biophysical parameters. This review summarizes developments in biosensor design and synthesis for achieving molecular sensing with NMR at unprecedented sensitivity. Aspects regarding Xe exchange kinetics and chemical engineering of various classes of hosts for an efficient build-up of the CEST effect will also be discussed as well as the cavity design of host molecules to identify a pool of bound Xe. The concept is presented in the broader context of reporter design with insights from other modalities that are helpful for advancing the field of Xe biosensors.
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Affiliation(s)
| | - Leif Schröder
- Molecular Imaging, Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany;
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10
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Du K, Zemerov SD, Carroll PJ, Dmochowski IJ. Paramagnetic Shifts and Guest Exchange Kinetics in Co nFe 4-n Metal-Organic Capsules. Inorg Chem 2020; 59:12758-12767. [PMID: 32851844 DOI: 10.1021/acs.inorgchem.0c01816] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We investigate the magnetic resonance properties and exchange kinetics of guest molecules in a series of hetero-bimetallic capsules, [ConFe4-nL6]4- (n = 1-3), where L2- = 4,4'-bis[(2-pyridinylmethylene)amino]-[1,1'-biphenyl]-2,2'-disulfonate. H bond networks between capsule sulfonates and guanidinium cations promote the crystallization of [ConFe4-nL6]4-. The following four isostructural crystals are reported: two guest-free forms, (C(NH2)3)4[Co1.8Fe2.2L6]·69H2O (1) and (C(NH2)3)4[Co2.7Fe1.3L6]·73H2O (2), and two Xe- and CFCl3-encapsulated forms, (C(NH2)3)4[(Xe)0.8Co1.8Fe2.2L6]·69H2O (3) and (C(NH2)3)4[(CFCl3)Co2.0Fe2.0L6]·73H2O (4), respectively. Structural analyses reveal that Xe induces negligible structural changes in 3, while the angles between neighboring phenyl groups expand by ca. 3° to accommodate the much larger guest, CFCl3, in 4. These guest-encapsulated [ConFe4-nL6]4- molecules reveal 129Xe and 19F chemical shift changes of ca. -22 and -10 ppm at 298 K, respectively, per substitution of low-spin FeII by high-spin CoII. Likewise, the temperature dependence of the 129Xe and 19F NMR resonances increases by 0.1 and 0.06 ppm/K, respectively, with each additional paramagnetic CoII center. The optimal temperature for hyperpolarized (hp) 129Xe chemical exchange saturation transfer (hyper-CEST) with [ConFe4-nL6]4- capsules was found to be inversely proportional to the number of CoII centers, n, which is consistent with the Xe chemical exchange accelerating as the portals expand. The systematic study was facilitated by the tunability of the [M4L6]4- capsules, further highlighting these metal-organic systems for developing responsive sensors with highly shifted 129Xe resonances.
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Affiliation(s)
- Kang Du
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Serge D Zemerov
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Patrick J Carroll
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Ivan J Dmochowski
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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11
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Baydoun O, De Rycke N, Léonce E, Boutin C, Berthault P, Jeanneau E, Brotin T. Synthesis of Cryptophane-223-Type Derivatives with Dual Functionalization. J Org Chem 2019; 84:9127-9137. [DOI: 10.1021/acs.joc.9b01093] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Orsola Baydoun
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
| | - Nicolas De Rycke
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
| | - Estelle Léonce
- NIMBE, CEA, CNRS, Université Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Céline Boutin
- NIMBE, CEA, CNRS, Université Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Patrick Berthault
- NIMBE, CEA, CNRS, Université Paris Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Erwann Jeanneau
- Centre de Diffractométrie Henri Longchambon, Université Lyon 1, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Thierry Brotin
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, F69342 Lyon, France
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12
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Abstract
Cation and anion recognition have both played central roles in the development of supramolecular chemistry. Much of the associated research has focused on the development of receptors for individual cations or anions, as well as their applications in different areas. Rarely is complexation of the counterions considered. In contrast, ion pair recognition chemistry, emerging from cation and anion coordination chemistry, is a specific research field where co-complexation of both anions and cations, so-called ion pairs, is the center of focus. Systems used for the purpose, known as ion pair receptors, are typically di- or polytopic hosts that contain recognition sites for both cations and anions and which permit the concurrent binding of multiple ions. The field of ion pair recognition has blossomed during the past decades. Several smaller reviews on the topic were published roughly 5 years ago. They provided a summary of synthetic progress and detailed the various limiting ion recognition modes displayed by both acyclic and macrocyclic ion pair receptors known at the time. The present review is designed to provide a comprehensive and up-to-date overview of the chemistry of macrocycle-based ion pair receptors. We specifically focus on the relationship between structure and ion pair recognition, as well as applications of ion pair receptors in sensor development, cation and anion extraction, ion transport, and logic gate construction.
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Affiliation(s)
- Qing He
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712 , United States.,State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Gabriela I Vargas-Zúñiga
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Seung Hyun Kim
- Department of Chemistry and Research Institute of Natural Science , Gyeongsang National University , Jinju , 660-701 , Korea
| | - Sung Kuk Kim
- Department of Chemistry and Research Institute of Natural Science , Gyeongsang National University , Jinju , 660-701 , Korea
| | - Jonathan L Sessler
- Institute for Supramolecular Chemistry and Catalysis , Shanghai University , Shanghai 200444 , P.R. China.,Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712 , United States
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13
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Zhang B, Guo Q, Luo Q, Zhang X, Zeng Q, Zhao L, Yuan Y, Jiang W, Yang Y, Liu M, Ye C, Zhou X. An intracellular diamine oxidase triggered hyperpolarized 129Xe magnetic resonance biosensor. Chem Commun (Camb) 2018; 54:13654-13657. [PMID: 30398489 DOI: 10.1039/c8cc07822j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Here, a novel method was developed for suppressing 129Xe signals in cucurbit[6]uril (CB6) until the trigger is activated by a specific enzyme. Due to its noncovalent interactions with amino-groups and CB6, putrescine dihydrochloride (Put) was chosen for blocking interactions between 129Xe and CB6. Upon adding diamine oxidase (DAO), Put was released from CB6 and a 129Xe@CB6 Hyper-CEST signal emerged. This proposed 129Xe biosensor was then tested in small intestinal villus epithelial cells.
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Affiliation(s)
- Bin Zhang
- State Key Laboratory for Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology (HUST), Wuhan 430071, China.
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14
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Zemerov SD, Roose BW, Greenberg ML, Wang Y, Dmochowski IJ. Cryptophane Nanoscale Assemblies Expand 129Xe NMR Biosensing. Anal Chem 2018; 90:7730-7738. [PMID: 29782149 PMCID: PMC6050516 DOI: 10.1021/acs.analchem.8b01630] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Cryptophane-based biosensors are promising agents for the ultrasensitive detection of biomedically relevant targets via 129Xe NMR. Dynamic light scattering revealed that cryptophanes form water-soluble aggregates tens to hundreds of nanometers in size. Acridine orange fluorescence quenching assays allowed quantitation of the aggregation state, with critical concentrations ranging from 200 nM to 600 nM, depending on the cryptophane species in solution. The addition of excess carbonic anhydrase (CA) protein target to a benzenesulfonamide-functionalized cryptophane biosensor (C8B) led to C8B disaggregation and produced the expected 1:1 C8B-CA complex. C8B showed higher affinity at 298 K for the cytoplasmic isozyme CAII than the extracellular CAXII isozyme, which is a biomarker of cancer. Using hyper-CEST NMR, we explored the role of stoichiometry in detecting these two isozymes. Under CA-saturating conditions, we observed that isozyme CAII produces a larger 129Xe NMR chemical shift change (δ = 5.9 ppm, relative to free biosensor) than CAXII (δ = 2.7 ppm), which indicates the strong potential for isozyme-specific detection. However, stoichiometry-dependent chemical shift data indicated that biosensor disaggregation contributes to the observed 129Xe NMR chemical shift change that is normally assigned to biosensor-target binding. Finally, we determined that monomeric cryptophane solutions improve hyper-CEST saturation contrast, which enables ultrasensitive detection of biosensor-protein complexes. These insights into cryptophane-solution behavior support further development of xenon biosensors, but will require reinterpretation of the data previously obtained for many water-soluble cryptophanes.
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Affiliation(s)
- Serge D. Zemerov
- Department of Chemistry, University of Pennsylvania, 231 S 34 St., Philadelphia, PA 19104
| | - Benjamin W. Roose
- Department of Chemistry, University of Pennsylvania, 231 S 34 St., Philadelphia, PA 19104
| | | | | | - Ivan J. Dmochowski
- Department of Chemistry, University of Pennsylvania, 231 S 34 St., Philadelphia, PA 19104
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15
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Korchak S, Riemer T, Kilian W, Mitschang L. Quantitative Assessment of Xenon Exchange Kinetics with Cucurbit[6]uril in Physiological Saline. Chemphyschem 2018; 19:1859-1865. [PMID: 29855138 DOI: 10.1002/cphc.201800048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Indexed: 11/10/2022]
Abstract
Cucurbit[6]uril and xenon form supramolecular complexes that are of great potential for biosensing by NMR. This host-guest system acts alike a signaler in sensors facilitating the ultrasensitive detection of biomarkers by saturation transfer of chemically exchanging, hyperpolarized 129 Xe. Here, the exchange process is evaluated by NMR exchange spectroscopy utilizing the preparation of anti-parallel longitudinal magnetization with respect to free and host-bound xenon and the variation of xenon concentration. Evidence for dissociative as well as degenerate exchange mechanisms is revealed by a linear regression analysis of the determined exchange rates resulting in rate coefficients of 1131±11 s-1 (2390±70 s-1 ) and 108500±4900 M-1 s-1 (174200±13900 M-1 s-1 ), respectively, and an affinity constant of 289±8 M-1 (278±14 M-1 ) in physiological saline at 298 K (310 K). The results elucidate the supramolecular exchange and underpin the high efficacy for biosensing of this host-guest system. The approach is generally applicable to enhanced host-xenon exchange dynamics, yet slow on the NMR timescale, for quantitative kinetics and biosensing analyses.
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Affiliation(s)
- Sergey Korchak
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587, Berlin, Germany
- Present address: Max Planck Research Group NMR Signal Enhancement, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
| | - Thomas Riemer
- Medical Department, Institute of Medical Physics and Biophysics, University of Leipzig, Härtelstr. 16-18, 04107, Leipzig, Germany
| | - Wolfgang Kilian
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587, Berlin, Germany
| | - Lorenz Mitschang
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587, Berlin, Germany
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16
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Léonce E, Dognon JP, Pitrat D, Mulatier JC, Brotin T, Berthault P. Accurate pH Sensing using Hyperpolarized 129
Xe NMR Spectroscopy. Chemistry 2018; 24:6534-6537. [DOI: 10.1002/chem.201800900] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Indexed: 01/16/2023]
Affiliation(s)
- Estelle Léonce
- NIMBE, CEA, CNRS; Université Paris Saclay, CEA Saclay; 91191 Gif-sur-Yvette France
| | - Jean-Pierre Dognon
- NIMBE, CEA, CNRS; Université Paris Saclay, CEA Saclay; 91191 Gif-sur-Yvette France
| | - Delphine Pitrat
- Laboratoire de Chimie de L'ENS LYON (UMR 5182); Ecole Normale Supérieure de Lyon; 46, Allée d'Italie 69364 Lyon Cedex 07 France
| | - Jean-Christophe Mulatier
- Laboratoire de Chimie de L'ENS LYON (UMR 5182); Ecole Normale Supérieure de Lyon; 46, Allée d'Italie 69364 Lyon Cedex 07 France
| | - Thierry Brotin
- Laboratoire de Chimie de L'ENS LYON (UMR 5182); Ecole Normale Supérieure de Lyon; 46, Allée d'Italie 69364 Lyon Cedex 07 France
| | - Patrick Berthault
- NIMBE, CEA, CNRS; Université Paris Saclay, CEA Saclay; 91191 Gif-sur-Yvette France
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17
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Hyperpolarized Amino Acid Derivatives as Multivalent Magnetic Resonance pH Sensor Molecules. SENSORS 2018; 18:s18020600. [PMID: 29462891 PMCID: PMC5856118 DOI: 10.3390/s18020600] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/07/2018] [Accepted: 02/08/2018] [Indexed: 11/17/2022]
Abstract
pH is a tightly regulated physiological parameter that is often altered in diseased states like cancer. The development of biosensors that can be used to non-invasively image pH with hyperpolarized (HP) magnetic resonance spectroscopic imaging has therefore recently gained tremendous interest. However, most of the known HP-sensors have only individually and not comprehensively been analyzed for their biocompatibility, their pH sensitivity under physiological conditions, and the effects of chemical derivatization on their logarithmic acid dissociation constant (pKa). Proteinogenic amino acids are biocompatible, can be hyperpolarized and have at least two pH sensitive moieties. However, they do not exhibit a pH sensitivity in the physiologically relevant pH range. Here, we developed a systematic approach to tailor the pKa of molecules using modifications of carbon chain length and derivatization rendering these molecules interesting for pH biosensing. Notably, we identified several derivatives such as [1-13C]serine amide and [1-13C]-2,3-diaminopropionic acid as novel pH sensors. They bear several spin-1/2 nuclei (13C, 15N, 31P) with high sensitivity up to 4.8 ppm/pH and we show that 13C spins can be hyperpolarized with dissolution dynamic polarization (DNP). Our findings elucidate the molecular mechanisms of chemical shift pH sensors that might help to design tailored probes for specific pH in vivo imaging applications.
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18
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Hundshammer C, Düwel S, Schilling F. Imaging of Extracellular pH Using Hyperpolarized Molecules. Isr J Chem 2017. [DOI: 10.1002/ijch.201700017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Christian Hundshammer
- Department of Nuclear Medicine, Klinikum rechts der Isar; Technical University of Munich; Ismaninger Str. 22 81675 München Germany
- Department of Chemistry; Technical University of Munich; Lichtenbergstr. 2 85748 Garching Germany
| | - Stephan Düwel
- Department of Nuclear Medicine, Klinikum rechts der Isar; Technical University of Munich; Ismaninger Str. 22 81675 München Germany
- Department of Chemistry; Technical University of Munich; Lichtenbergstr. 2 85748 Garching Germany
- Institute of Medical Engineering; Technical University of Munich; Boltzmannstr. 11 85748 Garching Germany
| | - Franz Schilling
- Department of Nuclear Medicine, Klinikum rechts der Isar; Technical University of Munich; Ismaninger Str. 22 81675 München Germany
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19
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Yang S, Yuan Y, Jiang W, Ren L, Deng H, Bouchard LS, Zhou X, Liu M. Hyperpolarized 129
Xe Magnetic Resonance Imaging Sensor for H2
S. Chemistry 2017; 23:7648-7652. [DOI: 10.1002/chem.201605768] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 02/21/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Shengjun Yang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Yaping Yuan
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Weiping Jiang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Lili Ren
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - He Deng
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Louis S. Bouchard
- Department of Chemistry and Biochemistry, California NanoSystems Institute, The Molecular Biology Institute; University of California; Los Angeles CA 90095 USA
| | - Xin Zhou
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Maili Liu
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
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20
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Zeng Q, Guo Q, Yuan Y, Yang Y, Zhang B, Ren L, Zhang X, Luo Q, Liu M, Bouchard LS, Zhou X. Mitochondria Targeted and Intracellular Biothiol Triggered Hyperpolarized 129Xe Magnetofluorescent Biosensor. Anal Chem 2017; 89:2288-2295. [PMID: 28192930 DOI: 10.1021/acs.analchem.6b03742] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Biothiols such as gluthathione (GSH), cysteine (Cys), homocysteine (Hcy), and thioredoxin (Trx) play vital roles in cellular metabolism. Various diseases are associated with abnormal cellular biothiol levels. Thus, the intracellular detection of biothiol levels could be a useful diagnostic tool. A number of methods have been developed to detect intracellular thiols, but sensitivity and specificity problems have limited their applications. To address these limitations, we have designed a new biosensor based on hyperpolarized xenon magnetic resonance detection, which can be used to detect biothiol levels noninvasively. The biosensor is a multimodal probe that incorporates a cryptophane-A cage as 129Xe NMR reporter, a naphthalimide moiety as fluorescence reporter, a disulfide bond as thiol-specific cleavable group, and a triphenylphosphonium moiety as mitochondria targeting unit. When the biosensor interacts with biothiols, disulfide bond cleavage leads to enhancements in the fluorescence intensity and changes in the 129Xe chemical shift. Using Hyper-CEST (chemical exchange saturation transfer) NMR, our biosensor shows a low detection limit at picomolar (10-10 M) concentration, which makes a promise to detect thiols in cells. The biosensor can detect biothiol effectively in live cells and shows good targeting ability to the mitochondria. This new approach not only offers a practical technique to detect thiols in live cells, but may also present an excellent in vivo test platform for xenon biosensors.
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Affiliation(s)
- Qingbin Zeng
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Qianni Guo
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Yaping Yuan
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Yuqi Yang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China
| | - Bin Zhang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China
| | - Lili Ren
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China
| | - Xiaoxiao Zhang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China
| | - Qing Luo
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Maili Liu
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Louis-S Bouchard
- California Nano Systems Institute, Jonsson Comprehensive Cancer Center, The Molecular Biology Institute, Departments of Chemistry and Biochemistry and of Bioengineering, University of California , Los Angeles California 90095, United States
| | - Xin Zhou
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Collaborative Innovation Center of Chemistry for Life Sciences, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences , Wuhan 430071, People's Republic of China.,University of Chinese Academy of Sciences , Beijing 100049, People's Republic of China
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21
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Mari E, Berthault P. 129Xe NMR-based sensors: biological applications and recent methods. Analyst 2017; 142:3298-3308. [DOI: 10.1039/c7an01088e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Molecular systems that target analytes of interest and host spin-hyperpolarized xenon lead to powerful 129Xe NMR-based sensors.
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Affiliation(s)
- E. Mari
- NIMBE
- CEA
- CNRS
- Université de Paris Saclay
- CEA Saclay
| | - P. Berthault
- NIMBE
- CEA
- CNRS
- Université de Paris Saclay
- CEA Saclay
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22
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Yang S, Jiang W, Ren L, Yuan Y, Zhang B, Luo Q, Guo Q, Bouchard LS, Liu M, Zhou X. Biothiol Xenon MRI Sensor Based on Thiol-Addition Reaction. Anal Chem 2016; 88:5835-40. [DOI: 10.1021/acs.analchem.6b00403] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Shengjun Yang
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Weiping Jiang
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Lili Ren
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Yaping Yuan
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Bin Zhang
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Qing Luo
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Qianni Guo
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Louis-S. Bouchard
- Department
of Chemistry and Biochemistry, California NanoSystems Institute, The
Molecular Biology Institute, University of California, Los Angeles, California 90095, United States
| | - Maili Liu
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Xin Zhou
- Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Center for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
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23
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Schaly A, Rousselin Y, Chambron JC, Aubert E, Espinosa E. The Stereoselective Self-Assembly of Chiral Metallo-Organic Cryptophanes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501446] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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24
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Gao L, Liu W, Lee OS, Dmochowski IJ, Saven JG. Xe affinities of water-soluble cryptophanes and the role of confined water. Chem Sci 2015; 6:7238-7248. [PMID: 29861959 PMCID: PMC5950801 DOI: 10.1039/c5sc02401c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 09/21/2015] [Indexed: 11/29/2022] Open
Abstract
Simulations provide molecular insight on the aqueous binding of Xe to cryptophanes.
Given their relevance to drug design and chemical sensing, host–guest interactions are of broad interest in molecular science. Natural and synthetic host molecules provide vehicles for understanding selective molecular recognition in aqueous solution. Here, cryptophane–Xe host–guest systems are considered in aqueous media as a model molecular system that also has important applications. 129Xe–cryptophane systems can be used in the creation of biosensors and powerful contrast agents for magnetic resonance imaging applications. Detailed molecular information on the determinants of Xe affinity is difficult to obtain experimentally. Thus, molecular simulation and free energy perturbation methods were applied to estimate the affinities of Xe for six water-soluble cryptophanes. The calculated affinities correlated well with the previously measured experimental values. The simulations provided molecular insight on the differences in affinities and the roles of conformational fluctuations, solvent, and counter ions on Xe binding to these host molecules. Displacement of confined water from the host interior cavity is a key component of the binding equilibrium, and the average number of water molecules within the host cavity is correlated with the free energy of Xe binding to the different cryptophanes. The findings highlight roles for molecular simulation and design in modulating the relative strengths of host–guest and host–solvent interactions.
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Affiliation(s)
- Lu Gao
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA .
| | - Wenhao Liu
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA .
| | - One-Sun Lee
- Qatar Environment and Energy Research Institute , Hamad Bin Khalifa University , Qatar Foundation , Doha , Qatar
| | - Ivan J Dmochowski
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA .
| | - Jeffery G Saven
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA .
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25
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Steiner E, Brotin T, Takacs Z, Kowalewski J. Chemical Shielding Anisotropies for Chloroform Exchanging between a Free Site and a Complex with Cryptophane-D: A Cross-Correlated NMR Relaxation Study. J Phys Chem B 2015; 119:11760-7. [PMID: 26266582 DOI: 10.1021/acs.jpcb.5b05218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The case of (13)C-labeled chloroform exchanging between a free site in solution and the encaged site within the cryptophane-D cavity is investigated using the measurements of longitudinal cross-correlated relaxation rates, involving the interference of the dipole-dipole and chemical shielding anisotropy interactions. A compact theoretical expression is provided, along with an experimental protocol, based on INEPT (insensitive nuclei enhanced by polarization)-enhanced double-quantum-filtered inversion recovery measurements. The analysis of the build-up curves results in a set of cross-correlated relaxation rates for both the (13)C and (1)H spins at the two sites. It is demonstrated that the results can be given a consistent interpretation in terms of molecular-level properties, such as rotational correlation times, the Lipari-Szabo order parameter, and interaction strength constants. The analysis yields the bound-site carbon-13 chemical shielding anisotropy, ΔσC = -58 ± 8 ppm, in good agreement with most recent liquid-crystal measurements and the corresponding proton shielding anisotropy, ΔσH = 14 ± 2 ppm.
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Affiliation(s)
- Emilie Steiner
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University , SE-106 91 Stockholm, Sweden
| | - Thierry Brotin
- Laboratoire de Chimie, (CNRS-UMR 5182) Ecole Normale Supérieure de Lyon, 46 Allée d'Italie, F-69364 Lyon cedex 07, France
| | - Zoltan Takacs
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University , SE-106 91 Stockholm, Sweden
| | - Jozef Kowalewski
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University , SE-106 91 Stockholm, Sweden
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26
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Brotin T, Daugey N, Vanthuyne N, Jeanneau E, Ducasse L, Buffeteau T. Chiroptical Properties of Cryptophane-223 and -233 Investigated by ECD, VCD, and ROA Spectroscopy. J Phys Chem B 2015; 119:8631-9. [DOI: 10.1021/acs.jpcb.5b04539] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thierry Brotin
- Laboratoire
de Chimie de l’ENS LYON (UMR 5182-CNRS), École Normale Supérieure de Lyon, 46 Allée d’Italie, 69364 Lyon, France
| | - Nicolas Daugey
- Institut
des Sciences Moléculaires (UMR 5255-CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
| | - Nicolas Vanthuyne
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397, Marseille, France
| | - Erwann Jeanneau
- Centre
de
Diffractométrie Henri Longchambon, Université Lyon 1, 5 rue de La Doua, 69100 Villeurbanne, France
| | - Laurent Ducasse
- Institut
des Sciences Moléculaires (UMR 5255-CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Buffeteau
- Institut
des Sciences Moléculaires (UMR 5255-CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
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27
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Chapellet LL, Cochrane JR, Mari E, Boutin C, Berthault P, Brotin T. Synthesis of Cryptophanes with Two Different Reaction Sites: Chemical Platforms for Xenon Biosensing. J Org Chem 2015; 80:6143-51. [PMID: 26020365 DOI: 10.1021/acs.joc.5b00653] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the synthesis of new water-soluble cryptophane host molecules that can be used for the preparation of (129)Xe NMR-based biosensors. We show that the cryptophane-223 skeleton can be modified to introduce a unique secondary alcohol to the propylenedioxy linker. This chemical functionality can then be exploited to introduce a functional group that is different from the six chemical groups attached to the aromatic rings. In this approach, the generation of a statistical mixture when trying to selectively functionalize a symmetrical host molecule is eliminated, which enables the efficient large-scale production of new cryptophanes that can be used as chemical platforms ready to use for the preparation of xenon biosensors. To illustrate this approach, two molecular platforms have been prepared, and the ability of these new derivatives to bind xenon has been investigated.
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Affiliation(s)
- Laure-Lise Chapellet
- †Laboratoire de Chimie de l'ENS LYON, UMR 5182 - CNRS, École Normale Supérieure de Lyon, 46 Allée d'Italie, 69364 Lyon, France
| | - James R Cochrane
- †Laboratoire de Chimie de l'ENS LYON, UMR 5182 - CNRS, École Normale Supérieure de Lyon, 46 Allée d'Italie, 69364 Lyon, France
| | - Emilie Mari
- ‡Laboratoire Structure et Dynamique par Résonance Magnétique, CEA Saclay, IRAMIS, NIMBE UMR CEA/CNRS 3685, 91191 Gif sur Yvette, France
| | - Céline Boutin
- ‡Laboratoire Structure et Dynamique par Résonance Magnétique, CEA Saclay, IRAMIS, NIMBE UMR CEA/CNRS 3685, 91191 Gif sur Yvette, France
| | - Patrick Berthault
- ‡Laboratoire Structure et Dynamique par Résonance Magnétique, CEA Saclay, IRAMIS, NIMBE UMR CEA/CNRS 3685, 91191 Gif sur Yvette, France
| | - Thierry Brotin
- †Laboratoire de Chimie de l'ENS LYON, UMR 5182 - CNRS, École Normale Supérieure de Lyon, 46 Allée d'Italie, 69364 Lyon, France
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Zamberlan F, Lesbats C, Rogers NJ, Krupa JL, Pavlovskaya GE, Thomas NR, Faas HM, Meersmann T. Molecular Sensing with Hyperpolarized129Xe Using Switchable Chemical Exchange Relaxation Transfer. Chemphyschem 2015; 16:2294-8. [DOI: 10.1002/cphc.201500367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Indexed: 11/06/2022]
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Abstract
Here we present a "smart" xenon-129 NMR biosensor that undergoes a peptide conformational change and labels cells in acidic environments. To a cryptophane host molecule with high Xe affinity, we conjugated a 30mer EALA-repeat peptide that is α-helical at pH 5.5 and disordered at pH 7.5. The (129)Xe NMR chemical shift at room temperature was strongly pH-dependent (Δδ = 3.4 ppm): δ = 64.2 ppm at pH 7.5 vs δ = 67.6 ppm at pH 5.5, where Trp(peptide)-cryptophane interactions were evidenced by Trp fluorescence quenching. Using hyper-CEST NMR, we probed peptidocryptophane detection limits at low-picomolar (10(-11) M) concentration, which compares favorably to other NMR pH reporters at 10(-2)-10(-3) M. Finally, in biosensor-HeLa cell solutions, peptide-cell membrane insertion at pH 5.5 generated a 13.4 ppm downfield cryptophane-(129)Xe NMR chemical shift relative to pH 7.5 studies. This highlights new uses for (129)Xe as an ultrasensitive probe of peptide structure and function, along with potential applications for pH-dependent cell labeling in cancer diagnosis and treatment.
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Affiliation(s)
- Brittany A. Riggle
- Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Yanfei Wang
- Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Ivan J. Dmochowski
- Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
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30
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Roukala J, Zhu J, Giri C, Rissanen K, Lantto P, Telkki VV. Encapsulation of xenon by a self-assembled Fe4L6 metallosupramolecular cage. J Am Chem Soc 2015; 137:2464-7. [PMID: 25671394 DOI: 10.1021/ja5130176] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report (129)Xe NMR experiments showing that a Fe4L6 metallosupramolecular cage can encapsulate xenon in water with a binding constant of 16 M(-1). The observations pave the way for exploiting metallosupramolecular cages as economical means to extract rare gases as well as (129)Xe NMR-based bio-, pH, and temperature sensors. Xe in the Fe4L6 cage has an unusual chemical shift downfield from free Xe in water. The exchange rate between the encapsulated and free Xe was determined to be about 10 Hz, potentially allowing signal amplification via chemical exchange saturation transfer. Computational treatment showed that dynamical effects of Xe motion as well as relativistic effects have significant contributions to the chemical shift of Xe in the cage and enabled the replication of the observed linear temperature dependence of the shift.
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Affiliation(s)
- Juho Roukala
- NMR Research Group, Centre for Molecular Materials, University of Oulu , 90014 Oulu, Finland
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31
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Kotera N, Dubost E, Milanole G, Doris E, Gravel E, Arhel N, Brotin T, Dutasta JP, Cochrane J, Mari E, Boutin C, Léonce E, Berthault P, Rousseau B. A doubly responsive probe for the detection of Cys4-tagged proteins. Chem Commun (Camb) 2015; 51:11482-4. [DOI: 10.1039/c5cc04721h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A biosensor for bimodal detection of recombinant Cys-tagged proteins via fluorescence and hyperpolarized 129Xe NMR is presented. Interaction with a peptide containing the motif Cys–Cys–X–X–Cys–Cys activates both fluorescence and NMR responses.
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32
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Henkelis JJ, Hardie MJ. Controlling the assembly of cyclotriveratrylene-derived coordination cages. Chem Commun (Camb) 2015; 51:11929-43. [DOI: 10.1039/c5cc03071d] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Ligand-functionalised cyclotriveratrylene derivatives self-assemble to afford coordination cages and topologically non-trivial constructs, including controlled assembly of M3L2 metallo-cryptophane and M6L8 cages.
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33
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Daugey N, Brotin T, Vanthuyne N, Cavagnat D, Buffeteau T. Raman Optical Activity of Enantiopure Cryptophanes. J Phys Chem B 2014; 118:5211-7. [DOI: 10.1021/jp502652p] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Nicolas Daugey
- Institut
des Sciences Moléculaires (UMR 5255 - CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Brotin
- Laboratoire
de
Chimie de l’ENS LYON (UMR 5182 - CNRS), École Normale
Supérieure de Lyon, 46 Allée
d’Italie, 69364 Lyon, France
| | - Nicolas Vanthuyne
- Aix Marseille Université, Centrale Marseille, CNRS,
iSm2 UMR 7313, 13397 Marseille, France
| | - Dominique Cavagnat
- Institut
des Sciences Moléculaires (UMR 5255 - CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Buffeteau
- Institut
des Sciences Moléculaires (UMR 5255 - CNRS), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
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34
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Garimella PD, Meldrum T, Witus LS, Smith M, Bajaj VS, Wemmer DE, Francis MB, Pines A. Hyperpolarized Xenon-Based Molecular Sensors for Label-Free Detection of analytes. J Am Chem Soc 2013; 136:164-8. [DOI: 10.1021/ja406760r] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Praveena D. Garimella
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Tyler Meldrum
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Leah S. Witus
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Monica Smith
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Vikram S. Bajaj
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - David E. Wemmer
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Matthew B. Francis
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Alexander Pines
- Department
of Chemistry and California Institute for Quantitative
Biosciences and §Biophysics Graduate Group and California Institute for Quantitative
Biosciences, University of California Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division and ⊥Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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35
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Brotin T, Goncalves S, Berthault P, Cavagnat D, Buffeteau T. Influence of the Cavity Size of Water-Soluble Cryptophanes on Their Binding Properties for Cesium and Thallium Cations. J Phys Chem B 2013; 117:12593-601. [DOI: 10.1021/jp4074009] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thierry Brotin
- Laboratoire
de Chimie de l’ENS LYON (UMR 5182 - CNRS), École Normale Supérieure de Lyon, 46 Allée d’Italie, 69364 Lyon, France
| | - Sylvie Goncalves
- Laboratoire
de Chimie de l’ENS LYON (UMR 5182 - CNRS), École Normale Supérieure de Lyon, 46 Allée d’Italie, 69364 Lyon, France
| | - Patrick Berthault
- Laboratoire
Structure
et Dynamique par Résonance Magnétique (UMR 3299 - CEA/CNRS),
CEA Saclay, IRAMIS, SIS2-M, 91191 Gif sur Yvette, France
| | - Dominique Cavagnat
- Institut
des Sciences Moléculaires (UMR 5255 - CNRS), Université de Bordeaux 1, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Buffeteau
- Institut
des Sciences Moléculaires (UMR 5255 - CNRS), Université de Bordeaux 1, 351 Cours de la Libération, 33405 Talence, France
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36
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Witte C, Schröder L. NMR of hyperpolarised probes. NMR IN BIOMEDICINE 2013; 26:788-802. [PMID: 23033215 DOI: 10.1002/nbm.2873] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 07/23/2012] [Accepted: 08/29/2012] [Indexed: 06/01/2023]
Abstract
Increasing the sensitivity of NMR experiments is an ongoing field of research to help realise the exquisite molecular specificity of this technique. Hyperpolarisation of various nuclei is a powerful approach that enables the use of NMR for molecular and cellular imaging. Substantial progress has been achieved over recent years in terms of both tracer preparation and detection schemes. This review summarises recent developments in probe design and optimised signal encoding, and promising results in sensitive disease detection and efficient therapeutic monitoring. The different methods have great potential to provide molecular specificity not available by other diagnostic modalities.
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Affiliation(s)
- Christopher Witte
- ERC Project BiosensorImaging, Leibniz-Institut für Molekulare Pharmakologie, Berlin, Germany
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37
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Dubost E, Kotera N, Garcia-Argote S, Boulard Y, Léonce E, Boutin C, Berthault P, Dugave C, Rousseau B. Synthesis of a Functionalizable Water-Soluble Cryptophane-111. Org Lett 2013; 15:2866-8. [DOI: 10.1021/ol4012019] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Emmanuelle Dubost
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Naoko Kotera
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Sébastien Garcia-Argote
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Yves Boulard
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Estelle Léonce
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Céline Boutin
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Patrick Berthault
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Christophe Dugave
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
| | - Bernard Rousseau
- CEA, iBiTec-S/SCBM, LabEx LERMIT, F-91191 Gif-sur-Yvette, France, CEA, iBiTec-S/SBiGeM, CEA Saclay, 91191 Gif-sur-Yvette, France, and CEA, IRAMIS/SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, F-91191, Gif-sur-Yvette, France
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38
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Delacour L, Kotera N, Traoré T, Garcia-Argote S, Puente C, Leteurtre F, Gravel E, Tassali N, Boutin C, Léonce E, Boulard Y, Berthault P, Rousseau B. “Clickable” Hydrosoluble PEGylated Cryptophane as a Universal Platform for129Xe Magnetic Resonance Imaging Biosensors. Chemistry 2013; 19:6089-93. [DOI: 10.1002/chem.201204218] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 01/30/2013] [Indexed: 11/08/2022]
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39
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Schröder L. Xenon for NMR biosensing – Inert but alert. Phys Med 2013; 29:3-16. [DOI: 10.1016/j.ejmp.2011.11.001] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Revised: 10/18/2011] [Accepted: 11/06/2011] [Indexed: 12/24/2022] Open
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40
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Bai Y, Hill PA, Dmochowski IJ. Utilizing a water-soluble cryptophane with fast xenon exchange rates for picomolar sensitivity NMR measurements. Anal Chem 2012; 84:9935-41. [PMID: 23106513 DOI: 10.1021/ac302347y] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Hyperpolarized (129)Xe chemical exchange saturation transfer ((129)Xe Hyper-CEST) NMR is a powerful technique for the ultrasensitive, indirect detection of Xe host molecules (e.g., cryptophane-A). Irradiation at the appropriate Xe-cryptophane resonant radio frequency results in relaxation of the bound hyperpolarized (129)Xe and rapid accumulation of depolarized (129)Xe in bulk solution. The cryptophane effectively "catalyzes" this process by providing a unique molecular environment for spin depolarization to occur, while allowing xenon exchange with the bulk solution during the hyperpolarized lifetime (T(1) ≈ 1 min). Following this scheme, a triacetic acid cryptophane-A derivative (TAAC) was indirectly detected at 1.4 picomolar concentration at 320 K in aqueous solution, which is the record for a single-unit xenon host. To investigate this sensitivity enhancement, the xenon binding kinetics of TAAC in water was studied by NMR exchange lifetime measurement. At 297 K, k(on) ≈ 1.5 × 10(6) M(-1) s(-1) and k(off) = 45 s(-1), which represent the fastest Xe association and dissociation rates measured for a high-affinity, water-soluble xenon host molecule near rt. NMR line width measurements provided similar exchange rates at rt, which we assign to solvent-Xe exchange in TAAC. At 320 K, k(off) was estimated to be 1.1 × 10(3) s(-1). In Hyper-CEST NMR experiments, the rate of (129)Xe depolarization achieved by 14 pM TAAC in the presence of radio frequency (RF) pulses was calculated to be 0.17 μM·s(-1). On a per cryptophane basis, this equates to 1.2 × 10(4)(129)Xe atoms s(-1) (or 4.6 × 10(4) Xe atoms s(-1), all Xe isotopes), which is more than an order of magnitude faster than k(off), the directly measurable Xe-TAAC exchange rate. This compels us to consider multiple Xe exchange processes for cryptophane-mediated bulk (129)Xe depolarization, which provide at least 10(7)-fold sensitivity enhancements over directly detected hyperpolarized (129)Xe NMR signals.
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Affiliation(s)
- Yubin Bai
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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41
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Kotera N, Tassali N, Léonce E, Boutin C, Berthault P, Brotin T, Dutasta JP, Delacour L, Traoré T, Buisson DA, Taran F, Coudert S, Rousseau B. A Sensitive Zinc-Activated129Xe MRI Probe. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201109194] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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42
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Kotera N, Tassali N, Léonce E, Boutin C, Berthault P, Brotin T, Dutasta JP, Delacour L, Traoré T, Buisson DA, Taran F, Coudert S, Rousseau B. A sensitive zinc-activated 129Xe MRI probe. Angew Chem Int Ed Engl 2012; 51:4100-3. [PMID: 22411775 DOI: 10.1002/anie.201109194] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Indexed: 01/05/2023]
Affiliation(s)
- Naoko Kotera
- CEA Saclay, SCBM, iBiTec-S, Building 547, PC # 108, 91191 Gif sur Yvette, France
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43
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Measurement of radon and xenon binding to a cryptophane molecular host. Proc Natl Acad Sci U S A 2011; 108:10969-73. [PMID: 21690357 DOI: 10.1073/pnas.1105227108] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Xenon and radon have many similar properties, a difference being that all 35 isotopes of radon ((195)Rn-(229)Rn) are radioactive. Radon is a pervasive indoor air pollutant believed to cause significant incidence of lung cancer in many geographic regions, yet radon affinity for a discrete molecular species has never been determined. By comparison, the chemistry of xenon has been widely studied and applied in science and technology. Here, both noble gases were found to bind with exceptional affinity to tris-(triazole ethylamine) cryptophane, a previously unsynthesized water-soluble organic host molecule. The cryptophane-xenon association constant, K(a)=42,000 ± 2,000 M(-1) at 293 K, was determined by isothermal titration calorimetry. This value represents the highest measured xenon affinity for a host molecule. The partitioning of radon between air and aqueous cryptophane solutions of varying concentration was determined radiometrically to give the cryptophane-radon association constant K(a)=49,000 ± 12,000 M(-1) at 293 K.
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44
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Boutin C, Stopin A, Lenda F, Brotin T, Dutasta JP, Jamin N, Sanson A, Boulard Y, Leteurtre F, Huber G, Bogaert-Buchmann A, Tassali N, Desvaux H, Carrière M, Berthault P. Cell uptake of a biosensor detected by hyperpolarized 129Xe NMR: the transferrin case. Bioorg Med Chem 2011; 19:4135-43. [PMID: 21605977 DOI: 10.1016/j.bmc.2011.05.002] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Revised: 04/26/2011] [Accepted: 05/01/2011] [Indexed: 10/18/2022]
Abstract
For detection of biological events in vitro, sensors using hyperpolarized (129)Xe NMR can become a powerful tool, provided the approach can bridge the gap in sensitivity. Here we propose constructs based on the non-selective grafting of cryptophane precursors on holo-transferrin. This biological system was chosen because there are many receptors on the cell surface, and endocytosis further increases this density. The study of these biosensors with K562 cell suspensions via fluorescence microscopy and (129)Xe NMR indicates a strong interaction, as well as interesting features such as the capacity of xenon to enter the cryptophane even when the biosensor is endocytosed, while keeping a high level of polarization. Despite a lack of specificity for transferrin receptors, undoubtedly due to the hydrophobic character of the cryptophane moiety that attracts the biosensor into the cell membrane, these biosensors allow the first in-cell probing of biological events using hyperpolarized xenon.
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Affiliation(s)
- Céline Boutin
- CEA, IRAMIS, SIS2M, Laboratoire Structure et Dynamique par Résonance Magnétique, UMR CEA/CNRS 3299, Gif sur Yvette, France
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45
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Kotera N, Delacour L, Traoré T, Tassali N, Berthault P, Buisson DA, Dognon JP, Rousseau B. Design and synthesis of new cryptophanes with intermediate cavity sizes. Org Lett 2011; 13:2153-5. [PMID: 21456606 DOI: 10.1021/ol2005215] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of molecular imaging using hyperpolarized xenon MRI needs highly optimized biosensors. Cryptophane-111 and cryptophane-222 are promising candidates that show complementary encapsulation properties although they only differ by the length of the three alkane linkers joining two cyclotriphenolene units. Cryptophanes containing both methoxy and ethoxy linkers have never been synthesized. Here we synthesize two new cages with intermediate internal volumes, in two steps from cyclotriphenolene.
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Affiliation(s)
- Naoko Kotera
- CEA, iBiTecS, Service de Chimie Bioorganique et de Marquage, Gif sur Yvette, F-91191, France
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46
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Bouchet A, Brotin T, Linares M, Ågren H, Cavagnat D, Buffeteau T. Conformational Effects Induced by Guest Encapsulation in an Enantiopure Water-Soluble Cryptophane. J Org Chem 2011; 76:1372-83. [DOI: 10.1021/jo102350g] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Aude Bouchet
- Institut des Sciences Moléculaires (UMR 5255 − CNRS), Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Brotin
- Laboratoire de Chimie de l’ENS-LYON (UMR 5182 − CNRS), Ecole Normale Supérieure de Lyon, 46 Allée d’Italie, 69364 Lyon 07, France
| | - Mathieu Linares
- Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, S-106 91 Stockholm, Sweden
| | - Hans Ågren
- Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, S-106 91 Stockholm, Sweden
| | - Dominique Cavagnat
- Institut des Sciences Moléculaires (UMR 5255 − CNRS), Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence, France
| | - Thierry Buffeteau
- Institut des Sciences Moléculaires (UMR 5255 − CNRS), Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence, France
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