1
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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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2
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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: 3] [Impact Index Per Article: 3.0] [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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3
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Emissive‐Dye/Cucurbit[n]uril‐Based Fluorescence Probes for Sensing Applications. ChemistrySelect 2023. [DOI: 10.1002/slct.202204833] [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]
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4
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Nilam M, Karmacharya S, Nau WM, Hennig A. Proton‐Gradient‐Driven Sensitivity Enhancement of Liposome‐Encapsulated Supramolecular Chemosensors. Angew Chem Int Ed Engl 2022; 61:e202207950. [PMID: 35687027 PMCID: PMC9543936 DOI: 10.1002/anie.202207950] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 11/06/2022]
Abstract
An overarching challenge in the development of supramolecular sensor systems is to enhance their sensitivity, which commonly involves the synthesis of refined receptors with increased affinity to the analyte. We show that a dramatic sensitivity increase by 1–2 orders of magnitude can be achieved by encapsulating supramolecular chemosensors inside liposomes and exposing them to a pH gradient across the lipid bilayer membrane. This causes an imbalance of the influx and efflux rates of basic and acidic analytes leading to a significantly increased concentration of the analyte in the liposome interior. The utility of our liposome‐enhanced sensors was demonstrated with various host–dye reporter pairs and sensing mechanisms, and we could easily increase the sensitivity towards multiple biologically relevant analytes, including the neurotransmitters serotonin and tryptamine.
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Affiliation(s)
- Mohamed Nilam
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry Universität Osnabrück Barbarastraße 7 49069 Osnabrück Germany
- School of Science Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Shreya Karmacharya
- School of Science Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Werner M. Nau
- School of Science Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Andreas Hennig
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry Universität Osnabrück Barbarastraße 7 49069 Osnabrück Germany
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5
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Kumar NM, Picchetti P, Hu C, Grimm LM, Biedermann F. Chemiluminescent Cucurbit[ n]uril-Based Chemosensor for the Detection of Drugs in Biofluids. ACS Sens 2022; 7:2312-2319. [PMID: 35895991 DOI: 10.1021/acssensors.2c00934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Chemiluminescence-based detection methods offer a superior signal-to-noise ratio and are commonly adopted for biosensors. This work presents the design and implementation of a supramolecular assay based on a chemiluminescent chemosensor. Specifically, an indicator displacement assay (IDA) with the supramolecular host-guest complex of chemiluminescent phenoxy 1,2-dioxetane and cucurbit[8]uril enables the low-micromolar detection of drugs in human urine and human serum samples. Cucurbit[8]uril thereby acts as a non-surfactant chemiluminescence enhancer and a synthetic receptor. Additionally, we show that adding an equimolar amount of cucurbit[8]uril to a commercially available dioxetane used in standard enzymatic chemiluminescence immunoassays enhances the chemiluminescence by more than 15 times. Finally, we demonstrate that a chemiluminescence resonance energy transfer between a unimolecular macrocyclic cucurbit[7]uril-dye conjugate and a phenoxy 1,2-dioxetane can be utilized to detect the herbicide paraquat at a micromolar concentration in aqueous media.
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Affiliation(s)
- Nilima Manoj Kumar
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Pierre Picchetti
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Changming Hu
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Laura M Grimm
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Frank Biedermann
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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6
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Hu C, Jochmann T, Chakraborty P, Neumaier M, Levkin PA, Kappes MM, Biedermann F. Further Dimensions for Sensing in Biofluids: Distinguishing Bioorganic Analytes by the Salt-Induced Adaptation of a Cucurbit[7]uril-Based Chemosensor. J Am Chem Soc 2022; 144:13084-13095. [PMID: 35850489 PMCID: PMC9335531 DOI: 10.1021/jacs.2c01520] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Insufficient binding selectivity of chemosensors often renders biorelevant metabolites indistinguishable by the widely used indicator displacement assay. Array-based chemosensing methods are a common workaround but require additional effort for synthesizing a chemosensor library and setting up a sensing array. Moreover, it can be very challenging to tune the inherent binding preference of macrocyclic systems such as cucurbit[n]urils (CBn) by synthetic means. Using a novel cucurbit[7]uril-dye conjugate that undergoes salt-induced adaptation, we now succeeded in distinguishing 14 bioorganic analytes from each other through the facile stepwise addition of salts. The salt-specific concentration-resolved emission provides additional information about the system at a low synthetic effort. We present a data-driven approach to translate the human-visible curve differences into intuitive pairwise difference measures. Ion mobility experiments combined with density functional theory calculations gave further insights into the binding mechanism and uncovered an unprecedented ternary complex geometry for CB7. TThis work introduces the non-selectively binding, salt-adaptive cucurbit[n]uril system for sensing applications in biofluids such as urine, saliva, and blood serum.
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Affiliation(s)
- Changming Hu
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, Eggenstein-Leopoldshafen 76344, Germany
| | - Thomas Jochmann
- Department of Computer Science and Automation, Technische Universität Ilmenau, Gustav-Kirchhoff-Str. 2, Ilmenau 98693, Germany
| | - Papri Chakraborty
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, Eggenstein-Leopoldshafen 76344, Germany.,Institute of Physical Chemistry (IPC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, Karlsruhe 76131, Germany
| | - Marco Neumaier
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, Eggenstein-Leopoldshafen 76344, Germany
| | - Pavel A Levkin
- Institute of Biological and Chemical Systems - Functional Molecular Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz Platz-1, Eggenstein-Leopoldshafen 76344, Germany
| | - Manfred M Kappes
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, Eggenstein-Leopoldshafen 76344, Germany.,Institute of Physical Chemistry (IPC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, Karlsruhe 76131, Germany
| | - Frank Biedermann
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, Eggenstein-Leopoldshafen 76344, Germany
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7
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Nilam M, Karmacharya S, Nau WM, Hennig A. Proton‐Gradient‐Driven Sensitivity Enhancement of Liposome‐Encapsulated Supramolecular Chemosensors. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Mohamed Nilam
- Universität Osnabrück: Universitat Osnabruck Fachbereich Biologie/Chemie GERMANY
| | - Shreya Karmacharya
- Jacobs University Bremen gGmbH Department of Life Sciences and Chemistry GERMANY
| | - Werner M. Nau
- Jacobs University Bremen gGmbH Department of Life Sciences and Chemistry GERMANY
| | - Andreas Hennig
- Universität Osnabrück: Universitat Osnabruck Institute of Chemistry of New Materials Barbarastr. 7 49069 Osnabrück GERMANY
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8
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Nilam M, Hennig A. Enzyme assays with supramolecular chemosensors - the label-free approach. RSC Adv 2022; 12:10725-10748. [PMID: 35425010 PMCID: PMC8984408 DOI: 10.1039/d1ra08617k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/30/2022] [Indexed: 12/20/2022] Open
Abstract
Enzyme activity measurements are essential for many research areas, e.g., for the identification of inhibitors in drug discovery, in bioengineering of enzyme mutants for biotechnological applications, or in bioanalytical chemistry as parts of biosensors. In particular in high-throughput screening (HTS), sensitive optical detection is most preferred and numerous absorption and fluorescence spectroscopy-based enzyme assays have been developed, which most frequently require time-consuming fluorescent labelling that may interfere with biological recognition. The use of supramolecular chemosensors, which can specifically signal analytes with fluorescence-based read-out methods, affords an attractive and label-free alternative to more established enzyme assays. We provide herein a comprehensive review that summarizes the current state-of-the-art of supramolecular enzyme assays ranging from early examples with covalent chemosensors to the most recent applications of supramolecular tandem enzyme assays, which utilize common and often commercially available combinations of macrocyclic host molecules (e.g. cyclodextrins, calixarenes, and cucurbiturils) and fluorescent dyes as self-assembled reporter pairs for assaying enzyme activity.
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Affiliation(s)
- Mohamed Nilam
- Department of Biology/Chemistry, Center for Cellular Nanoanalytics (CellNanOs), Universität Osnabrück Barbarastr. 7 D-49076 Osnabrück Germany
| | - Andreas Hennig
- Department of Biology/Chemistry, Center for Cellular Nanoanalytics (CellNanOs), Universität Osnabrück Barbarastr. 7 D-49076 Osnabrück Germany
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9
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Nie H, Wei Z, Ni XL, Liu Y. Assembly and Applications of Macrocyclic-Confinement-Derived Supramolecular Organic Luminescent Emissions from Cucurbiturils. Chem Rev 2022; 122:9032-9077. [PMID: 35312308 DOI: 10.1021/acs.chemrev.1c01050] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cucurbit[n]urils (Q[n]s or CB[n]s), as a classical of artificial organic macrocyclic hosts, were found to have excellent advantages in the fabricating of tunable and smart organic luminescent materials in aqueous media and the solid state with high emitting efficiency under the rigid pumpkin-shaped structure-derived macrocyclic-confinement effect in recent years. This review aims to give a systematically up-to-date overview of the Q[n]-based supramolecular organic luminescent emissions from the confined spaces triggered host-guest complexes, including the assembly fashions and the mechanisms of the macrocycle-based luminescent complexes, as well as their applications. Finally, challenges and outlook are provided. Since this class of Q[n]-based supramolecular organic luminescent emissions, which have essentially derived from the cavity-dependent confinement effect and the resulting assembly fashions, emerged only a few years ago, we hope this review will provide valuable information for the further development of macrocycle-based light-emitting materials and other related research fields.
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Affiliation(s)
- Haigen Nie
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan 410081, China
| | - Zhen Wei
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Xin-Long Ni
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan 410081, China.,Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Yu Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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10
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Krämer J, Kang R, Grimm LM, De Cola L, Picchetti P, Biedermann F. Molecular Probes, Chemosensors, and Nanosensors for Optical Detection of Biorelevant Molecules and Ions in Aqueous Media and Biofluids. Chem Rev 2022; 122:3459-3636. [PMID: 34995461 PMCID: PMC8832467 DOI: 10.1021/acs.chemrev.1c00746] [Citation(s) in RCA: 109] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Synthetic molecular probes, chemosensors, and nanosensors used in combination with innovative assay protocols hold great potential for the development of robust, low-cost, and fast-responding sensors that are applicable in biofluids (urine, blood, and saliva). Particularly, the development of sensors for metabolites, neurotransmitters, drugs, and inorganic ions is highly desirable due to a lack of suitable biosensors. In addition, the monitoring and analysis of metabolic and signaling networks in cells and organisms by optical probes and chemosensors is becoming increasingly important in molecular biology and medicine. Thus, new perspectives for personalized diagnostics, theranostics, and biochemical/medical research will be unlocked when standing limitations of artificial binders and receptors are overcome. In this review, we survey synthetic sensing systems that have promising (future) application potential for the detection of small molecules, cations, and anions in aqueous media and biofluids. Special attention was given to sensing systems that provide a readily measurable optical signal through dynamic covalent chemistry, supramolecular host-guest interactions, or nanoparticles featuring plasmonic effects. This review shall also enable the reader to evaluate the current performance of molecular probes, chemosensors, and nanosensors in terms of sensitivity and selectivity with respect to practical requirement, and thereby inspiring new ideas for the development of further advanced systems.
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Affiliation(s)
- Joana Krämer
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Rui Kang
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Laura M. Grimm
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Luisa De Cola
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Dipartimento
DISFARM, University of Milano, via Camillo Golgi 19, 20133 Milano, Italy
- Department
of Molecular Biochemistry and Pharmacology, Instituto di Ricerche Farmacologiche Mario Negri, IRCCS, 20156 Milano, Italy
| | - Pierre Picchetti
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- P.P.: email,
| | - Frank Biedermann
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- F.B.: email,
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11
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Zhou H, Pang XY, Wang X, Yao H, Yang LP, Jiang W. Biomimetic Recognition of Quinones in Water by an Endo-Functionalized Cavity with Anthracene Sidewalls. Angew Chem Int Ed Engl 2021; 60:25981-25987. [PMID: 34569134 DOI: 10.1002/anie.202112267] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Indexed: 12/27/2022]
Abstract
Selective molecular recognition in water is the foundation of numerous biological functions but is a challenge for most synthetic hosts. We employ the concept of endo-functionalized cavity and the strategy of simultaneous construction to address this issue. The concept and the strategy were demonstrated in the construction of a biomimetic host for selectively recognizing quinones in water. The host was synthesized by joining two pieces of bent anthracene dimer through amide bond formation, affording a deep hydrophobic cavity and inward-directing hydrogen bonding sites. The host can recognize quinones over their close analogues in water, and its association affinity to p-benzoquinone is the highest among all the known hosts and is even comparable to that of the bioreceptor. The binding with an anthraquinone reaches nanomolar affinity. Shielded hydrogen bonding, C-H⋅⋅⋅π, and charge transfer interactions, and the hydrophobic effect are responsible for the high binding affinity and selectivity.
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Affiliation(s)
- Hang Zhou
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Xin-Yu Pang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Xiaoping Wang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Huan Yao
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Liu-Pan Yang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Wei Jiang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
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12
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Zhou H, Pang X, Wang X, Yao H, Yang L, Jiang W. Biomimetic Recognition of Quinones in Water by an
Endo
‐Functionalized Cavity with Anthracene Sidewalls. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202112267] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Hang Zhou
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Xin‐Yu Pang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Xiaoping Wang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Huan Yao
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Liu‐Pan Yang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Wei Jiang
- Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, and Department of Chemistry Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
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13
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Lee S, Han MS. An analyte-triggered artificial peroxidase system based on dimanganese complex for a versatile enzyme assay. Chem Commun (Camb) 2021; 57:9450-9453. [PMID: 34528977 DOI: 10.1039/d1cc03638f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We described an analyte-activatable artificial peroxidase system (caged Mn2(bpmp)) by caging a dimanganese complex, exhibiting peroxidase-like activity, with an analyte-reactive trigger. It allowed adjustments of the detection target to be applied depending on the trigger as well as the detection modes, such as fluorescence and colorimetric, as required. This system was successfully applied to a versatile enzyme assay for leucine aminopeptidase and γ-glutamyl transpeptidase based on spectrophotometric change induced from the oxidation of the peroxidase substrate by analyte-triggered peroxidase-like activity.
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Affiliation(s)
- Suji Lee
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
| | - Min Su Han
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
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14
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Prabodh A, Wang Y, Sinn S, Albertini P, Spies C, Spuling E, Yang LP, Jiang W, Bräse S, Biedermann F. Fluorescence detected circular dichroism (FDCD) for supramolecular host-guest complexes. Chem Sci 2021; 12:9420-9431. [PMID: 34349916 PMCID: PMC8278969 DOI: 10.1039/d1sc01411k] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/08/2021] [Indexed: 11/30/2022] Open
Abstract
Fluorescence-detected circular dichroism (FDCD) spectroscopy is applied for the first time to supramolecular host-guest and host-protein systems and compared to the more known electronic circular dichroism (ECD). We find that FDCD can be an excellent choice for common supramolecular applications, e.g. for the detection and chirality sensing of chiral organic analytes, as well as for reaction monitoring. Our comprehensive investigations demonstrate that FDCD can be conducted in favorable circumstances at much lower concentrations than ECD measurements, even in chromophoric and auto-emissive biofluids such as blood serum, overcoming the sensitivity limitation of absorbance-based chiroptical spectroscopy. Besides, the combined use of FDCD and ECD can provide additional valuable information about the system, e.g. the chemical identity of an analyte or hidden aggregation phenomena. We believe that simultaneous FDCD- and ECD-based chiroptical characterization of emissive supramolecular systems will be of general benefit for characterizing fluorescent, chiral supramolecular systems due to the higher information content obtained by their combined use.
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Affiliation(s)
- Amrutha Prabodh
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT) Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen Germany
| | - Yichuan Wang
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT) Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen Germany
- Karlsruhe Institute of Technology (KIT), Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Stephan Sinn
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT) Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen Germany
| | | | - Christian Spies
- JASCO Deutschland GmbH Robert-Bosch-Str. 14, 64319 Pfungstadt Germany
| | - Eduard Spuling
- Karlsruhe Institute of Technology (KIT), Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Liu-Pan Yang
- Southern University of Science and Technology, Department of Chemistry Xueyuan Boulevard 1088, Nanshan District 518055 Shenzhen China
| | - Wei Jiang
- Southern University of Science and Technology, Department of Chemistry Xueyuan Boulevard 1088, Nanshan District 518055 Shenzhen China
| | - Stefan Bräse
- Karlsruhe Institute of Technology (KIT), Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe Germany
- Karlsruhe Institute of Technology (KIT), Institute of Biological and Chemical Systems - Functional Molecular Systems (ICBS-FMS) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Frank Biedermann
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT) Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen Germany
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15
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Nilam M, Collin S, Karmacharya S, Hennig A, Nau WM. Membrane Permeability and Its Activation Energies in Dependence on Analyte, Lipid, and Phase Type Obtained by the Fluorescent Artificial Receptor Membrane Assay. ACS Sens 2021; 6:175-182. [PMID: 33347764 DOI: 10.1021/acssensors.0c02064] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Time-resolved monitoring of the permeability of analytes is of utmost importance in membrane research. Existing methods are restricted to single-point determinations or flat synthetic membranes, limiting access to biologically relevant kinetic parameters (permeation rate constant, permeation coefficients). We now use the recently introduced fluorescent artificial receptor membrane assay (FARMA) as a method to monitor, in real time, the permeation of indole derivatives through liposomal membranes of different lipid compositions. This method is based on the liposomal encapsulation of a chemosensing ensemble or "fluorescent artificial receptor", consisting of 2,7-dimethyldiazapyrenium as a fluorescent dye and cucurbit[8]uril as the macrocyclic receptor, that responds to the complexation of a permeating aromatic analyte by fluorescence quenching. FARMA does not require a fluorescent labeling of the analytes and allows access to permeability coefficients in the range from 10-8 to 10-4 cm s-1. The effect of temperature on the permeation rate of a series of indole derivatives across the phospholipid membranes was studied. The activation energies for permeation through POPC/POPS phospholipid membranes were in the range of 28-96 kJ mol-1. To study the effect of different lipid phases on the membrane permeability, we performed experiments with DPPC/DOPS vesicles, which showed a phase transition from a gel phase to a liquid-crystalline phase, where the activation energies for the permeation process were expected to show a dramatic change. Accordingly, for the permeation of the indole derivatives into the DPPC/DOPS liposomes, discontinuities were observed in the Arrhenius plots, from which the permeation activation energies for the distinct phases could be determined, for example, for tryptamine 245 kJ mol-1 in the gel phase and 47 kJ mol-1 in the liquid-crystalline phase.
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Affiliation(s)
- Mohamed Nilam
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
- Institute for Chemistry of New Materials, University of Osnabrück, Barbarastraße 7, 49069 Osnabrück, Germany
| | - Solène Collin
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Shreya Karmacharya
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Andreas Hennig
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
- Institute for Chemistry of New Materials, University of Osnabrück, Barbarastraße 7, 49069 Osnabrück, Germany
| | - Werner M. Nau
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
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16
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He S, Zhiti A, Barba-Bon A, Hennig A, Nau WM. Real-Time Parallel Artificial Membrane Permeability Assay Based on Supramolecular Fluorescent Artificial Receptors. Front Chem 2020; 8:597927. [PMID: 33330387 PMCID: PMC7673371 DOI: 10.3389/fchem.2020.597927] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/06/2020] [Indexed: 01/17/2023] Open
Abstract
Parallel artificial membrane permeability assay (PAMPA) is a screening tool for the evaluation of drug permeability across various biological membrane systems in a microplate format. In PAMPA, a drug candidate is allowed to pass through the lipid layer of a particular well during an incubation period of, typically, 10–16 h. In a second step, the samples of each well are transferred to a UV-Vis–compatible microplate and optically measured (applicable only to analytes with sufficient absorbance) or sampled by mass-spectrometric analysis. The required incubation period, sample transfer, and detection methods jointly limit the scalability of PAMPA to high-throughput screening format. We introduce a modification of the PAMPA method that allows direct fluorescence detection, without sample transfer, in real time (RT-PAMPA). The method employs the use of a fluorescent artificial receptor (FAR), composed of a macrocycle in combination with an encapsulated fluorescent dye, administered in the acceptor chamber of conventional PAMPA microplates. Because the detection principle relies on the molecular recognition of an analyte by the receptor and the associated fluorescence response, concentration changes of any analyte that binds to the receptor can be monitored (molecules with aromatic residues in the present example), regardless of the spectroscopic properties of the analyte itself. Moreover, because the fluorescence of the (upper) acceptor well can be read out directly by fluorescence in a microplate reader, the permeation of the drug through the planar lipid layer can be monitored in real time. Compared with the traditional assay, RT-PAMPA allows not only quantification of the permeability characteristics but also rapid differentiation between fast and slow diffusion events.
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Affiliation(s)
- Suhang He
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
| | - Anxhela Zhiti
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
| | - Andrea Barba-Bon
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
| | - Andreas Hennig
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
| | - Werner M Nau
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
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17
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Berta D, Szabó I, Scherman OA, Rosta E. Toward Understanding CB[7]-Based Supramolecular Diels-Alder Catalysis. Front Chem 2020; 8:587084. [PMID: 33240848 PMCID: PMC7677497 DOI: 10.3389/fchem.2020.587084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/28/2020] [Indexed: 11/16/2022] Open
Abstract
Cucurbiturils (CBs) are robust and versatile macrocyclic compounds, often used as molecular hosts in complex supramolecular systems. In previous work, remarkable catalytic activity has been observed for asymmetric cycloadditions under very mild conditions. Herein, we investigate the nature of supramolecular catalysis using DFT calculations and QM/MM techniques. We discuss induced conformational changes, electrostatic shielding effects from the highly polar aqueous environment and cooperativity in hydrogen bonding of the substrates in explicit water using QM/MM simulation techniques. Our results show little specificity for the chosen molecules, suggesting an excellent opportunity to expand the scope for catalytic use of these supramolecular macrocyclic containers.
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Affiliation(s)
- Dénes Berta
- Department of Physics and Astronomy, University College London, London, United Kingdom.,Department of Chemistry, King's College London, London, United Kingdom
| | - István Szabó
- Department of Chemistry, King's College London, London, United Kingdom
| | - Oren A Scherman
- Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Cambridge, United Kingdom
| | - Edina Rosta
- Department of Physics and Astronomy, University College London, London, United Kingdom.,Department of Chemistry, King's College London, London, United Kingdom
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18
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Mutihac RC, Bunaciu AA, Buschmann HJ, Mutihac L. A brief overview on supramolecular analytical chemistry of cucurbit[n]urils and hemicucurbit[n]urils. J INCL PHENOM MACRO 2020. [DOI: 10.1007/s10847-020-01019-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Fluorescent artificial receptor-based membrane assay (FARMA) for spatiotemporally resolved monitoring of biomembrane permeability. Commun Biol 2020; 3:383. [PMID: 32669621 PMCID: PMC7363885 DOI: 10.1038/s42003-020-1108-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 06/19/2020] [Indexed: 02/07/2023] Open
Abstract
The spatiotemporally resolved monitoring of membrane translocation, e.g., of drugs or toxins, has been a long-standing goal. Herein, we introduce the fluorescent artificial receptor-based membrane assay (FARMA), a facile, label-free method. With FARMA, the permeation of more than hundred organic compounds (drugs, toxins, pesticides, neurotransmitters, peptides, etc.) through vesicular phospholipid bilayer membranes has been monitored in real time (µs-h time scale) and with high sensitivity (nM-µM concentration), affording permeability coefficients across an exceptionally large range from 10–9–10–3 cm s–1. From a fundamental point of view, FARMA constitutes a powerful tool to assess structure-permeability relationships and to test biophysical models for membrane passage. From an applied perspective, FARMA can be extended to high-throughput screening by adaption of the microplate reader format, to spatial monitoring of membrane permeation by microscopy imaging, and to the compartmentalized monitoring of enzymatic activity. Biedermann et al develop a tool to monitor transport across membranes using fluorescent artificial receptors, thereby bypassing the need for analyte labelling. They show the utility of the method for a large number of compounds suggesting it can be widely applied to both basic research and drug screening.
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20
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Nilam M, Huang C, Karmacharya S, Aryal GH, Huang L, Nau WM, Assaf KI. Host‐Guest Complexation Affects Perylene‐Based Dye Aggregation. ChemistrySelect 2020. [DOI: 10.1002/slct.202000702] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Mohamed Nilam
- Department of Life Sciences and Chemistry Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Chusen Huang
- Department of Life Sciences and Chemistry Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Shreya Karmacharya
- Department of Life Sciences and Chemistry Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Gyan H. Aryal
- Department of Microbiology and Immunology, School of Medicine University of Nevada Reno, Nevada 89557 United States
| | - Liming Huang
- Department of Microbiology and Immunology, School of Medicine University of Nevada Reno, Nevada 89557 United States
| | - Werner M. Nau
- Department of Life Sciences and Chemistry Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
| | - Khaleel I. Assaf
- Department of Life Sciences and Chemistry Jacobs University Bremen Campus Ring 1 28759 Bremen Germany
- Department of Chemistry, Faculty of Science Al-Balqa Applied University 19117 Al-Salt Jordan
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21
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Brevé TG, Filius M, Araman C, Helm MP, Hagedoorn P, Joo C, Kasteren SI, Eelkema R. Conditional Copper‐Catalyzed Azide–Alkyne Cycloaddition by Catalyst Encapsulation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001369] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Tobias G. Brevé
- Department of Chemical EngineeringDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Mike Filius
- Department of BioNanoScienceDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Can Araman
- Leiden Institute of ChemistryLeiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Michelle P. Helm
- Department of Chemical EngineeringDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Peter‐Leon Hagedoorn
- Department of BiotechnologyDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Chirlmin Joo
- Department of BioNanoScienceDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Sander I. Kasteren
- Leiden Institute of ChemistryLeiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Rienk Eelkema
- Department of Chemical EngineeringDelft University of Technology van der Maasweg 9 2629 HZ Delft The Netherlands
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22
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Brevé TG, Filius M, Araman C, van der Helm MP, Hagedoorn PL, Joo C, van Kasteren SI, Eelkema R. Conditional Copper-Catalyzed Azide-Alkyne Cycloaddition by Catalyst Encapsulation. Angew Chem Int Ed Engl 2020; 59:9340-9344. [PMID: 32180306 PMCID: PMC7318279 DOI: 10.1002/anie.202001369] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Indexed: 11/08/2022]
Abstract
Supramolecular encapsulation is known to alter chemical properties of guest molecules. We have applied this strategy of molecular encapsulation to temporally control the catalytic activity of a stable copper(I)–carbene catalyst. Encapsulation of the copper(I)–carbene catalyst by the supramolecular host cucurbit[7]uril (CB[7]) resulted in the complete inactivation of a copper‐catalyzed alkyne–azide cycloaddition (CuAAC) reaction. The addition of a chemical signal achieved the near instantaneous activation of the catalyst, by releasing the catalyst from the inhibited CB[7] catalyst complex. To broaden the scope of our on‐demand CuAAC reaction, we demonstrated the protein labeling of vinculin with the copper(I)–carbene catalyst, to inhibit its activity by encapsulation with CB[7] and to initiate labeling at any moment by adding a specific signal molecule. Ultimately, this strategy allows for temporal control over copper‐catalyzed click chemistry, on small molecules as well as protein targets.
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Affiliation(s)
- Tobias G Brevé
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Mike Filius
- Department of BioNanoScience, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Can Araman
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Michelle P van der Helm
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Peter-Leon Hagedoorn
- Department of Biotechnology, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Chirlmin Joo
- Department of BioNanoScience, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Sander I van Kasteren
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
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23
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Grommet AB, Feller M, Klajn R. Chemical reactivity under nanoconfinement. NATURE NANOTECHNOLOGY 2020; 15:256-271. [PMID: 32303705 DOI: 10.1038/s41565-020-0652-2] [Citation(s) in RCA: 300] [Impact Index Per Article: 75.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 01/28/2020] [Indexed: 06/11/2023]
Abstract
Confining molecules can fundamentally change their chemical and physical properties. Confinement effects are considered instrumental at various stages of the origins of life, and life continues to rely on layers of compartmentalization to maintain an out-of-equilibrium state and efficiently synthesize complex biomolecules under mild conditions. As interest in synthetic confined systems grows, we are realizing that the principles governing reactivity under confinement are the same in abiological systems as they are in nature. In this Review, we categorize the ways in which nanoconfinement effects impact chemical reactivity in synthetic systems. Under nanoconfinement, chemical properties can be modulated to increase reaction rates, enhance selectivity and stabilize reactive species. Confinement effects also lead to changes in physical properties. The fluorescence of light emitters, the colours of dyes and electronic communication between electroactive species can all be tuned under confinement. Within each of these categories, we elucidate design principles and strategies that are widely applicable across a range of confined systems, specifically highlighting examples of different nanocompartments that influence reactivity in similar ways.
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Affiliation(s)
- Angela B Grommet
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Moran Feller
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, Israel.
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24
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Barba-Bon A, Pan YC, Biedermann F, Guo DS, Nau WM, Hennig A. Fluorescence Monitoring of Peptide Transport Pathways into Large and Giant Vesicles by Supramolecular Host–Dye Reporter Pairs. J Am Chem Soc 2019; 141:20137-20145. [DOI: 10.1021/jacs.9b09563] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Andrea Barba-Bon
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring
1, 28759 Bremen, Germany
| | - Yu-Chen Pan
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials, Ministry of Education, Nankai University, Tianjin 300071, China
| | - Frank Biedermann
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Dong-Sheng Guo
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials, Ministry of Education, Nankai University, Tianjin 300071, China
| | - Werner M. Nau
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring
1, 28759 Bremen, Germany
| | - Andreas Hennig
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring
1, 28759 Bremen, Germany
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25
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Jia J, Wen H, Zhao S, Wang L, Qiao H, Shen H, Yu Z, Di B, Xu L, Hu C. Displacement Induced Off–On Fluorescent Biosensor Targeting IDO1 Activity in Live Cells. Anal Chem 2019; 91:14943-14950. [DOI: 10.1021/acs.analchem.9b03387] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jing Jia
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, PR China
| | - Huilin Wen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, PR China
| | - Sibo Zhao
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, PR China
| | - Lancheng Wang
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, PR China
| | - Haishi Qiao
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, PR China
| | - Haowen Shen
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, PR China
| | - Ziyi Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, PR China
| | - Bin Di
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, PR China
| | - Lili Xu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, PR China
| | - Chi Hu
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, PR China
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26
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Beatty MA, Selinger AJ, Li Y, Hof F. Parallel Synthesis and Screening of Supramolecular Chemosensors That Achieve Fluorescent Turn-on Detection of Drugs in Saliva. J Am Chem Soc 2019; 141:16763-16771. [DOI: 10.1021/jacs.9b07073] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Meagan A. Beatty
- Department of Chemistry, University of Victoria, PO Box 3065, STN CSC, Victoria, British Columbia V8W 3 V6, Canada
| | - Allison J. Selinger
- Department of Chemistry, University of Victoria, PO Box 3065, STN CSC, Victoria, British Columbia V8W 3 V6, Canada
| | - YuQi Li
- Department of Chemistry, University of Victoria, PO Box 3065, STN CSC, Victoria, British Columbia V8W 3 V6, Canada
| | - Fraser Hof
- Department of Chemistry, University of Victoria, PO Box 3065, STN CSC, Victoria, British Columbia V8W 3 V6, Canada
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27
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Sinn S, Spuling E, Bräse S, Biedermann F. Rational design and implementation of a cucurbit[8]uril-based indicator-displacement assay for application in blood serum. Chem Sci 2019; 10:6584-6593. [PMID: 31367309 PMCID: PMC6628674 DOI: 10.1039/c9sc00705a] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 05/31/2019] [Indexed: 12/14/2022] Open
Abstract
In this study, we report the first supramolecular indicator displacement assay (IDA) based on cucurbit[n]uril (CBn) host and a [2.2]paracyclophane derivative as indicator that is operational in blood serum.
In this study, we report the first supramolecular indicator-displacement assay (IDA) based on cucurbit[n]uril (CBn) hosts that is operational in blood serum. Rational design principles for host–guest chemosensing in competitively binding media were derived through detailed mathematical simulations. It was shown that currently known CBn-based chemosensing ensembles are not suited for use in highly competitive matrices such as blood serum. Conversely, the simulations indicated that a combination of cucurbit[8]uril (CB8) and an ultra-high affinity dye would be a promising IDA reporter pair for the detection of Alzheimer's drug memantine in blood serum. Therefore, a novel class of [2.2]paracyclophane-derived indicator dyes for the host CB8 was developed that possesses one of the highest host–guest affinities (Ka > 1012 M–1 in water) known in supramolecular host–guest chemistry, and which provides a large Stokes shift (up to 200 nm). The novel IDA was then tested for the detection of memantine in blood serum in a physiologically relevant sub- to low micromolar concentration range.
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Affiliation(s)
- Stephan Sinn
- Karlsruhe Institute of Technology (KIT) , Institute of Nanotechnology (INT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany .
| | - Eduard Spuling
- Karlsruhe Institute of Technology (KIT) , Institute of Organic Chemistry , Fritz-Haber-Weg 6 , 76131 Karlsruhe , Germany
| | - Stefan Bräse
- Karlsruhe Institute of Technology (KIT) , Institute of Organic Chemistry , Fritz-Haber-Weg 6 , 76131 Karlsruhe , Germany.,Karlsruhe Institute of Technology (KIT) , Institute of Toxicology and Genetics (ITG) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
| | - Frank Biedermann
- Karlsruhe Institute of Technology (KIT) , Institute of Nanotechnology (INT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany .
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28
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Zhang S, Assaf KI, Huang C, Hennig A, Nau WM. Ratiometric DNA sensing with a host-guest FRET pair. Chem Commun (Camb) 2019; 55:671-674. [PMID: 30565597 DOI: 10.1039/c8cc09126a] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A supramolecular host-guest FRET pair based on a carboxyfluorescein-labelled cucurbit[7]uril (CB7-CF, as acceptor) and the fluorescent dye 4',6-diamidino-2-phenylindole (DAPI, as donor) is developed for sensing of DNA. In comparison to the commercial DNA staining dye SYBR Green I, the new chemosensing ensemble offers dual-emission signals, which allows a linear ratiometric response over a wide concentration range.
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Affiliation(s)
- Shuai Zhang
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759, Bremen, Germany.
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29
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Bai LM, Zhou H, Liu WE, Chai H, Yang LP, Yan W, Zhang W, Yang HH, Jiang W. Fluorescent monitoring of the reaction kinetics of nonfluorescent molecules enabled by a fluorescent receptor. Chem Commun (Camb) 2019; 55:3128-3131. [DOI: 10.1039/c9cc00762h] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Fluorescent monitoring of the reaction kinetics of nonfluorescent molecules was achieved in water by using a fluorescent receptor.
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Affiliation(s)
- Lin-Ming Bai
- State Key Laboratory of Multiphase Flow in Power Engineering
- Department of Environmental Science & Engineering
- Xi'an Jiaotong University
- Xi'an
- China
| | - Hang Zhou
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- China
| | - Wei-Er Liu
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- China
| | - Hongxin Chai
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- China
| | - Liu-Pan Yang
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- China
| | - Wei Yan
- State Key Laboratory of Multiphase Flow in Power Engineering
- Department of Environmental Science & Engineering
- Xi'an Jiaotong University
- Xi'an
- China
| | - Wen Zhang
- School of Science
- Xi’an Jiaotong University
- Xi’an 710049
- China
| | - Hong-Hui Yang
- State Key Laboratory of Multiphase Flow in Power Engineering
- Department of Environmental Science & Engineering
- Xi'an Jiaotong University
- Xi'an
- China
| | - Wei Jiang
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- China
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30
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Affiliation(s)
- Teresa L. Mako
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
| | - Joan M. Racicot
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
| | - Mindy Levine
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
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31
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Alnajjar MA, Bartelmeß J, Hein R, Ashokkumar P, Nilam M, Nau WM, Rurack K, Hennig A. Rational design of boron-dipyrromethene (BODIPY) reporter dyes for cucurbit[7]uril. Beilstein J Org Chem 2018; 14:1961-1971. [PMID: 30202450 PMCID: PMC6122296 DOI: 10.3762/bjoc.14.171] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 07/06/2018] [Indexed: 11/24/2022] Open
Abstract
We introduce herein boron-dipyrromethene (BODIPY) dyes as a new class of fluorophores for the design of reporter dyes for supramolecular host-guest complex formation with cucurbit[7]uril (CB7). The BODIPYs contain a protonatable aniline nitrogen in the meso-position of the BODIPY chromophore, which was functionalized with known binding motifs for CB7. The unprotonated dyes show low fluorescence due to photoinduced electron transfer (PET), whereas the protonated dyes are highly fluorescent. Encapsulation of the binding motif inside CB7 positions the aniline nitrogen at the carbonyl rim of CB7, which affects the pKa value, and leads to a host-induced protonation and thus to a fluorescence increase. The possibility to tune binding affinities and pKa values is demonstrated and it is shown that, in combination with the beneficial photophysical properties of BODIPYs, several new applications of host-dye reporter pairs can be implemented. This includes indicator displacement assays with favourable absorption and emission wavelengths in the visible spectral region, fluorescence correlation spectroscopy, and noncovalent surface functionalization with fluorophores.
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Affiliation(s)
- Mohammad A Alnajjar
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Jürgen Bartelmeß
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489 Berlin, Germany
| | - Robert Hein
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Pichandi Ashokkumar
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489 Berlin, Germany
- Laboratory of Bioimaging and Pathology, UMR 7021 CNRS, Faculty of Pharmacy, University of Strasbourg, 74 Route du Rhin, F-67401 Illkirch-Graffenstaden, France
| | - Mohamed Nilam
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Werner M Nau
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489 Berlin, Germany
| | - Andreas Hennig
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
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32
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Affiliation(s)
- Stephan Sinn
- Institute of Nanotechnology (INT); Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland/Germany
| | - Frank Biedermann
- Institute of Nanotechnology (INT); Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland/Germany
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33
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Palma A, Artelsmair M, Wu G, Lu X, Barrow SJ, Uddin N, Rosta E, Masson E, Scherman OA. Cucurbit[7]uril as a Supramolecular Artificial Enzyme for Diels-Alder Reactions. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706487] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Aniello Palma
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Markus Artelsmair
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Guanglu Wu
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Xiaoyong Lu
- Department of Chemistry and Biochemistry; Ohio University; Athens Ohio 45701 USA
| | - Steven J. Barrow
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Najib Uddin
- Department of Chemistry; King's College London; London SE1 1DB UK
| | - Edina Rosta
- Department of Chemistry; King's College London; London SE1 1DB UK
| | - Eric Masson
- Department of Chemistry and Biochemistry; Ohio University; Athens Ohio 45701 USA
| | - Oren A. Scherman
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
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34
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Palma A, Artelsmair M, Wu G, Lu X, Barrow SJ, Uddin N, Rosta E, Masson E, Scherman OA. Cucurbit[7]uril as a Supramolecular Artificial Enzyme for Diels-Alder Reactions. Angew Chem Int Ed Engl 2017; 56:15688-15692. [DOI: 10.1002/anie.201706487] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Aniello Palma
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Markus Artelsmair
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Guanglu Wu
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Xiaoyong Lu
- Department of Chemistry and Biochemistry; Ohio University; Athens Ohio 45701 USA
| | - Steven J. Barrow
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Najib Uddin
- Department of Chemistry; King's College London; London SE1 1DB UK
| | - Edina Rosta
- Department of Chemistry; King's College London; London SE1 1DB UK
| | - Eric Masson
- Department of Chemistry and Biochemistry; Ohio University; Athens Ohio 45701 USA
| | - Oren A. Scherman
- Melville Laboratory for Polymer Synthesis Department of Chemistry; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
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35
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Applications of Cucurbit[n]urils (n=7 or 8) in Pharmaceutical Sciences and Complexation of Biomolecules. Isr J Chem 2017. [DOI: 10.1002/ijch.201700092] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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36
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Development of hydroxylated cucurbit[ n ]urils, their derivatives and potential applications. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.07.017] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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37
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Liu Y, Perez L, Gill AD, Mettry M, Li L, Wang Y, Hooley RJ, Zhong W. Site-Selective Sensing of Histone Methylation Enzyme Activity via an Arrayed Supramolecular Tandem Assay. J Am Chem Soc 2017; 139:10964-10967. [PMID: 28777546 DOI: 10.1021/jacs.7b05002] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Arrayed deep cavitands can be coupled to a fluorescence-based supramolecular tandem assay that allows site-selective in situ monitoring of post-translational modifications catalyzed by the lysine methyltransferase PRDM9 or the lysine demethylase JMJD2E. An arrayed sensor system containing only three cavitand components can detect the specific substrates of enzyme modification, in the presence of other histone peptides in the enzyme assay, enabling investigation of cross-reactivity over multiple methylation sites and interference from nonsubstrate peptides.
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Affiliation(s)
- Yang Liu
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Lizeth Perez
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Adam D Gill
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Magi Mettry
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Lin Li
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Yinsheng Wang
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Richard J Hooley
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
| | - Wenwan Zhong
- Department of Chemistry, ‡Environmental Toxicology Program, §Department of Biochemistry and Molecular Biology, University of California-Riverside , Riverside, California 92521, United States
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38
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Zhang Z, Shao L, Li Z, Yu G, Yang J. A cationic water-soluble pillar[7]arene: Synthesis and its fluorescent host−guest complex in water. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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39
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Liu W, Gómez-Durán CFA, Smith BD. Fluorescent Neuraminidase Assay Based on Supramolecular Dye Capture After Enzymatic Cleavage. J Am Chem Soc 2017; 139:6390-6395. [PMID: 28426220 DOI: 10.1021/jacs.7b01628] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A conceptually new type of enzymatic cleavage assay is reported that utilizes in situ supramolecular capture of the fluorescent product. A squaraine-derived substrate with large blocking groups at each end of its structure cannot be threaded by a tetralactam macrocycle until the blocking groups are removed by enzyme cleavage. A prototype design responds to viral neuraminidase, an indicator of influenza infection, and also measures susceptibility of the sample to neuraminidase inhibitor drugs. The substrate structure incorporates three key features: (a) a bis(4-amino-3-hydroxyphenyl)squaraine core with bright deep-red fluorescence and excellent photostability, (b) an N-methyl group at each end of the squaraine core that ensures fast macrocycle threading kinetics, and (c) sialic acid blocking groups that prevent macrocycle threading until they are removed by viral neuraminidase. The enzyme assay can be conducted in aqueous solution where dramatic colorimetric and fluorescence changes are easily observed by the naked eye. Alternatively, affinity capture beads coated with macrocycle can be used to immobilize the liberated squaraine and enable a range of heterogeneous analysis options. With further optimization, this new type of neuraminidase assay may be useful in a point of care clinic to rapidly diagnose influenza infection and also determine which of the approved antiviral inhibitor drugs is likely to be the most effective treatment for an individual patient. The assay design is generalizable and can be readily modified to monitor virtually any type of enzyme-catalyzed cleavage reaction.
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Affiliation(s)
- Wenqi Liu
- Department of Chemistry and Biochemistry, University of Notre Dame , 236 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States
| | - César F A Gómez-Durán
- Department of Chemistry and Biochemistry, University of Notre Dame , 236 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States
| | - Bradley D Smith
- Department of Chemistry and Biochemistry, University of Notre Dame , 236 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States
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40
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Bai Q, Zhang S, Chen H, Sun T, Redshaw C, Zhang J, Ni X, Wei G, Tao Z. Alkyl Substituted Cucurbit[6]uril Assisted Competitive Fluorescence Recognition of Lysine and Methionine in Aqueous Solution. ChemistrySelect 2017. [DOI: 10.1002/slct.201700053] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Qinghong Bai
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
| | - Shaowei Zhang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
| | - Hongrong Chen
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
| | - Tao Sun
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
| | - Carl Redshaw
- Department of ChemistryUniversity of Hull Hull HU6 7RX UK
| | - Jian‐Xin Zhang
- Key Laboratory of Chemistry for Natural Products of Guizhou Province Guiyang 550002 China
| | - Xin‐Long Ni
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
| | - Gang Wei
- CSIRO Manufacturing, P.O. Box 218 Lindfield, NSW 2070 Australia
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou ProvinceGuizhou University Guiyang 550025 China
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41
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Lazar AI, Biedermann F, Mustafina KR, Assaf KI, Hennig A, Nau WM. Nanomolar Binding of Steroids to Cucurbit[n]urils: Selectivity and Applications. J Am Chem Soc 2016; 138:13022-13029. [DOI: 10.1021/jacs.6b07655] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Alexandra I. Lazar
- Department
of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Frank Biedermann
- Institute
of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz
Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Kamila R. Mustafina
- Department
of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Khaleel I. Assaf
- Department
of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Andreas Hennig
- Department
of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Werner M. Nau
- Department
of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
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42
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Liu Y, Perez L, Mettry M, Easley CJ, Hooley RJ, Zhong W. Self-Aggregating Deep Cavitand Acts as a Fluorescence Displacement Sensor for Lysine Methylation. J Am Chem Soc 2016; 138:10746-9. [DOI: 10.1021/jacs.6b05897] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yang Liu
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
| | - Lizeth Perez
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
| | - Magi Mettry
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
| | - Connor J. Easley
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
| | - Richard J. Hooley
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
| | - Wenwan Zhong
- Department of Chemistry and ‡Environmental Toxicology Program, University of California-Riverside, Riverside, California 92521, United States
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43
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Ahmed S, Singha N, Pramanik B, Mondal JH, Das D. Redox controlled reversible transformation of a supramolecular alternating copolymer to a radical cation containing homo-polymer. Polym Chem 2016. [DOI: 10.1039/c6py00809g] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Viologen-tryptophan ternary complexation inside CB[8] is used to prepare a supramolecular polymer which show redox controlled transformation from homo polymer to hetero polymer.
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Affiliation(s)
- Sahnawaz Ahmed
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Kamrup
- India
| | - Nilotpal Singha
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Kamrup
- India
| | - Bapan Pramanik
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Kamrup
- India
| | | | - Debapratim Das
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Kamrup
- India
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44
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Barrow SJ, Kasera S, Rowland MJ, del Barrio J, Scherman OA. Cucurbituril-Based Molecular Recognition. Chem Rev 2015; 115:12320-406. [DOI: 10.1021/acs.chemrev.5b00341] [Citation(s) in RCA: 1188] [Impact Index Per Article: 132.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Steven J. Barrow
- Melville
Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Setu Kasera
- Melville
Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J. Rowland
- Melville
Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Jesús del Barrio
- Melville
Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Oren A. Scherman
- Melville
Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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45
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Hu P, Chen Y, Liu Y. Hyaluronan/Ru( ii)-cyclodextrin supramolecular assemblies for colorimetric sensor of hyaluronidase activity. RSC Adv 2015. [DOI: 10.1039/c5ra19122j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A hyaluronidase-induced colorimetric change was found in a hyaluronan/Ru(ii)-cyclodextrin supramolecular assembly under a laser (532 nm) irradiation.
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Affiliation(s)
- Ping Hu
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Yong Chen
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Yu Liu
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
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