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Bartholomeeusen E, De Cremer G, Kennes K, Hammond C, Hermans I, Lu JB, Schryvers D, Jacobs PA, Roeffaers MBJ, Hofkens J, Sels BF, Coutino-Gonzalez E. Optical encoding of luminescent carbon nanodots in confined spaces. Chem Commun (Camb) 2021; 57:11952-11955. [PMID: 34699581 DOI: 10.1039/d1cc04777a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Stable emissive carbon nanodots were generated in zeolite crystals using near infrared photon irradiation gradually converting the occluded organic template, originally used to synthesize the zeolite crystals, into discrete luminescent species consisting of nano-sized carbogenic fluorophores, as ascertained using Raman microscopy, and steady-state and time-resolved spectroscopic techniques. Photoactivation in a confocal laser fluorescence microscope allows 3D resolved writing of luminescent carbon nanodot patterns inside zeolites providing a cost-effective and non-toxic alternative to previously reported metal-based nanoclusters confined in zeolites, and opens up opportunities in bio-labelling and sensing applications.
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Affiliation(s)
- Evelyne Bartholomeeusen
- Chem&Tech - Centre for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Gert De Cremer
- DSM Protective Materials, PO Box 1163, 6160BD Geleen, The Netherlands
| | - Koen Kennes
- Chem & Tech - Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Ceri Hammond
- Department of Chemical Engineering, Imperial College London, South Kensington, SW7 2AZ, London, UK
| | - Ive Hermans
- Department of Chemistry & Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1101 University Av., Madison, WI 53706, USA
| | - Jiang-Bo Lu
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710119, P. R. China.,EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Dominique Schryvers
- EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Pierre A Jacobs
- Chem&Tech - Centre for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Maarten B J Roeffaers
- Chem&Tech - Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Johan Hofkens
- Chem & Tech - Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Bert F Sels
- Chem&Tech - Centre for Sustainable Catalysis and Engineering (CSCE), KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Eduardo Coutino-Gonzalez
- Centro de Investigaciones en Óptica, A. C. Loma del Bosque 115, Colonia Lomas del Campestre, León, Guanajuato 37150, Mexico.
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2
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Lafleur S, Berthoud R, Ensinck R, Cordier A, De Cremer G, Philippaerts A, Bastiaansen K, Margossian T, Severn JR. Tailored bimodal ultra-high molecular weight polyethylene particles. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/pola.29037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sarah Lafleur
- Laboratory of Functional Organic Materials and Devices; Eindhoven University of Technology; Eindhoven MB 5600 The Netherlands
| | | | | | - Astrid Cordier
- Université De Lyon, Univ. Lyon 1, CPE Lyon, CNRS, UMR 5265 Laboratoire De Chimie Catalyse Polymères Et Procédés (C2P2) LCPP Team, Bat 308F, 43 Bd Du 11 Novembre 1918; Villeurbanne F-69616 France
| | - Gert De Cremer
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group, Urmonderbaan 22; Geleen 6167RD The Netherlands
| | - An Philippaerts
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group, Urmonderbaan 22; Geleen 6167RD The Netherlands
| | - Kees Bastiaansen
- Laboratory of Functional Organic Materials and Devices; Eindhoven University of Technology; Eindhoven MB 5600 The Netherlands
- School of Engineering and Materials Science; Queen Mary, University of London; London E1 4NS UK
| | - Tigran Margossian
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group, Urmonderbaan 22; Geleen 6167RD The Netherlands
| | - John R. Severn
- Laboratory of Functional Organic Materials and Devices; Eindhoven University of Technology; Eindhoven MB 5600 The Netherlands
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group, Urmonderbaan 22; Geleen 6167RD The Netherlands
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3
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Philippaerts A, Ensinck R, Baulu N, Cordier A, Woike K, Berthoud R, De Cremer G, Severn JR. Influence of the particle size of the MgCl2
support on the performance of Ziegler catalysts in the polymerization of ethylene to ultra-high molecular weight polyethylene and the resulting polymer properties. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28674] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- An Philippaerts
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
| | - Richard Ensinck
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
| | - Nicolas Baulu
- Universite' De Lyon, Univ. Lyon 1, CPE Lyon, CNRS, UMR 5265 Laboratoire De Chimie Catalyse Polyméres Et Procédés (C2P2) LCPP team; Villeurbanne F-69616 France
| | - Astrid Cordier
- Universite' De Lyon, Univ. Lyon 1, CPE Lyon, CNRS, UMR 5265 Laboratoire De Chimie Catalyse Polyméres Et Procédés (C2P2) LCPP team; Villeurbanne F-69616 France
| | - Kersten Woike
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
| | - Romain Berthoud
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
| | - Gert De Cremer
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
| | - John R. Severn
- DSM Materials Science Center, Polyolefin Technology and Catalysis Group; Geleen 6167RD Netherlands
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4
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Ristanović Z, Hofmann JP, De Cremer G, Kubarev AV, Rohnke M, Meirer F, Hofkens J, Roeffaers MBJ, Weckhuysen BM. Quantitative 3D Fluorescence Imaging of Single Catalytic Turnovers Reveals Spatiotemporal Gradients in Reactivity of Zeolite H-ZSM-5 Crystals upon Steaming. J Am Chem Soc 2015; 137:6559-68. [PMID: 25867455 PMCID: PMC4448181 DOI: 10.1021/jacs.5b01698] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Optimizing the number, distribution,
and accessibility of Brønsted
acid sites in zeolite-based catalysts is of a paramount importance
to further improve their catalytic performance. However, it remains
challenging to measure real-time changes in reactivity of single zeolite
catalyst particles by ensemble-averaging characterization methods.
In this work, a detailed 3D single molecule, single turnover sensitive
fluorescence microscopy study is presented to quantify the reactivity
of Brønsted acid sites in zeolite H-ZSM-5 crystals upon steaming.
This approach, in combination with the oligomerization of furfuryl
alcohol as a probe reaction, allowed the stochastic behavior of single
catalytic turnovers and temporally resolved turnover frequencies of
zeolite domains smaller than the diffraction limited resolution to
be investigated with great precision. It was found that the single
turnover kinetics of the parent zeolite crystal proceeds with significant
spatial differences in turnover frequencies on the nanoscale and noncorrelated
temporal fluctuations. Mild steaming of zeolite H-ZSM-5 crystals at
500 °C led to an enhanced surface reactivity, with up to 4 times
higher local turnover rates than those of the parent H-ZSM-5 crystals,
and revealed remarkable heterogeneities in surface reactivity. In
strong contrast, severe steaming at 700 °C significantly dealuminated
the zeolite H-ZSM-5 material, leading to a 460 times lower turnover
rate. The differences in measured turnover activities are explained
by changes in the 3D aluminum distribution due to migration of extraframework
Al-species and their subsequent effect on pore accessibility, as corroborated
by time-of-flight secondary ion mass spectrometry (TOF-SIMS) sputter
depth profiling data.
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Affiliation(s)
- Zoran Ristanović
- †Inorganic Chemistry and Catalysis, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Jan P Hofmann
- †Inorganic Chemistry and Catalysis, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Gert De Cremer
- ‡Department of Chemistry, KU Leuven, Celestijnenlaan 200 F, B-3001 Leuven, Belgium
| | - Alexey V Kubarev
- §Centre for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, 3001 Heverlee, Belgium
| | - Marcus Rohnke
- ∥Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Florian Meirer
- †Inorganic Chemistry and Catalysis, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Johan Hofkens
- ‡Department of Chemistry, KU Leuven, Celestijnenlaan 200 F, B-3001 Leuven, Belgium
| | - Maarten B J Roeffaers
- §Centre for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, 3001 Heverlee, Belgium
| | - Bert M Weckhuysen
- †Inorganic Chemistry and Catalysis, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
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Janssen KPF, De Cremer G, Neely RK, Kubarev AV, Van Loon J, Martens JA, De Vos DE, Roeffaers MBJ, Hofkens J. Single molecule methods for the study of catalysis: from enzymes to heterogeneous catalysts. Chem Soc Rev 2014; 43:990-1006. [DOI: 10.1039/c3cs60245a] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Coutino-Gonzalez E, Grandjean D, Roeffaers M, Kvashnina K, Fron E, Dieu B, De Cremer G, Lievens P, Sels B, Hofkens J. X-ray irradiation-induced formation of luminescent silver clusters in nanoporous matrices. Chem Commun (Camb) 2014; 50:1350-2. [DOI: 10.1039/c3cc47969b] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The formation of highly luminescent silver clusters in zeolites using X-ray lithography is reported in this study.
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Affiliation(s)
| | - Didier Grandjean
- Department of Physics and Astronomy
- Laboratory of Solid State Physics and Magnetism
- KU Leuven
- B-3001 Leuven, Belgium
| | - Maarten Roeffaers
- Department of Microbial and Molecular Systems
- Centre for Surface Chemistry and Catalysis
- KU Leuven
- B-3001 Leuven, Belgium
| | - Kristina Kvashnina
- European Synchrotron Radiation Facility (ESRF)
- 6 Rue Jules Horowitz
- 38043 Grenoble Cedex 9, France
| | - Eduard Fron
- Department of Chemistry
- KU Leuven
- B-3001 Leuven, Belgium
| | - Bjorn Dieu
- Department of Chemistry
- KU Leuven
- B-3001 Leuven, Belgium
| | - Gert De Cremer
- Department of Microbial and Molecular Systems
- Centre for Surface Chemistry and Catalysis
- KU Leuven
- B-3001 Leuven, Belgium
- DSM Ahead
| | - Peter Lievens
- Department of Physics and Astronomy
- Laboratory of Solid State Physics and Magnetism
- KU Leuven
- B-3001 Leuven, Belgium
| | - Bert Sels
- Department of Microbial and Molecular Systems
- Centre for Surface Chemistry and Catalysis
- KU Leuven
- B-3001 Leuven, Belgium
| | - Johan Hofkens
- Department of Chemistry
- KU Leuven
- B-3001 Leuven, Belgium
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7
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Laurier KGM, Poets M, Vermoortele F, Cremer GD, Martens JA, Uji-i H, De Vos DE, Hofkens J, Roeffaers MBJ. Photocatalytic growth of dendritic silver nanostructures as SERS substrates. Chem Commun (Camb) 2012; 48:1559-61. [DOI: 10.1039/c1cc14727g] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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David CC, Dedecker P, Cremer GD, Verstraeten N, Kint C, Michiels J, Hofkens J. Spectroscopic characterization of Venus at the single molecule level. Photochem Photobiol Sci 2012; 11:358-63. [DOI: 10.1039/c1pp05292f] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Philippaerts A, Breesch A, De Cremer G, Kayaert P, Hofkens J, Van den Mooter G, Jacobs P, Sels B. Physical Properties of Nutritive Shortenings Produced from Regioselective Hardening of Soybean Oil with Pt Containing Zeolite. J AM OIL CHEM SOC 2011. [DOI: 10.1007/s11746-011-1878-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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10
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Ameloot R, Roeffaers MBJ, De Cremer G, Vermoortele F, Hofkens J, Sels BF, De Vos DE. Metal-organic framework single crystals as photoactive matrices for the generation of metallic microstructures. Adv Mater 2011; 23:1788-1791. [PMID: 21491511 DOI: 10.1002/adma.201100063] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2011] [Indexed: 05/30/2023]
Affiliation(s)
- Rob Ameloot
- Department of Microbial and Molecular Systems, Center for Surface Chemistry and Catalysis, K.U.Leuven, Belgium
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11
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Mellaerts R, Roeffaers MBJ, Houthoofd K, Van Speybroeck M, De Cremer G, Jammaer JAG, Van den Mooter G, Augustijns P, Hofkens J, Martens JA. Molecular organization of hydrophobic molecules and co-adsorbed water in SBA-15 ordered mesoporous silica material. Phys Chem Chem Phys 2010; 13:2706-13. [PMID: 21152589 DOI: 10.1039/c0cp01640c] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The purpose of this study was to improve our understanding of the molecular organization of hydrophobic guest molecules in the presence of co-adsorbed water inside SBA-15 ordered mesoporous silica material. Understanding this adsorption competition is essential in the development of applications of controlled adsorption and desorption. The poorly water soluble drug compound itraconazole and the fluorescent probe Nile red were selected for the study. The interaction between itraconazole and SBA-15 was investigated using FT-IR, (1)H MAS NMR and (29)Si MAS NMR spectroscopy, by determination of adsorption isotherms and release kinetics in simulated gastric fluid. The distribution and migration of the hydrophobic fluorescent probe Nile red was visualized in situ using confocal fluorescence microscopy. For both molecules, there was a pronounced influence of the co-adsorbed water on adsorption, hydrophobic aggregation and migration in SBA-15 pores. These insights contribute to the development of practical methods for loading ordered mesoporous silica materials with hydrophobic molecules.
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Affiliation(s)
- Randy Mellaerts
- Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, BE-3001 Heverlee, Belgium
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12
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De Cremer G, Bartholomeeusen E, Pescarmona PP, Lin K, De Vos DE, Hofkens J, Roeffaers MB, Sels BF. The influence of diffusion phenomena on catalysis: A study at the single particle level using fluorescence microscopy. Catal Today 2010. [DOI: 10.1016/j.cattod.2010.04.035] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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De Cremer G, Roeffaers MBJ, Bartholomeeusen E, Lin K, Dedecker P, Pescarmona PP, Jacobs PA, De Vos DE, Hofkens J, Sels BF. High-resolution single-turnover mapping reveals intraparticle diffusion limitation in Ti-MCM-41-catalyzed epoxidation. Angew Chem Int Ed Engl 2010; 49:908-11. [PMID: 20029861 DOI: 10.1002/anie.200905039] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gert De Cremer
- Department of Microbial and Molecular Systems, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, 3001 Heverlee, Belgium
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14
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De Cremer G, Coutiño-Gonzalez E, Roeffaers MBJ, De Vos DE, Hofkens J, Vosch T, Sels BF. In Situ Observation of the Emission Characteristics of Zeolite-Hosted Silver Species During Heat Treatment. Chemphyschem 2010; 11:1627-31. [DOI: 10.1002/cphc.201000065] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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De Cremer G, Sels BF, Hotta JI, Roeffaers MBJ, Bartholomeeusen E, Coutiño-Gonzalez E, Valtchev V, De Vos DE, Vosch T, Hofkens J. Optical encoding of silver zeolite microcarriers. Adv Mater 2010; 22:957-60. [PMID: 20217819 DOI: 10.1002/adma.200902937] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Affiliation(s)
- Gert De Cremer
- Department of Microbial and Molecular Systems, Katholieke Universiteit Leuven Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
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16
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Roeffaers MBJ, De Cremer G, Libeert J, Ameloot R, Dedecker P, Bons AJ, Bückins M, Martens JA, Sels BF, De Vos DE, Hofkens J. Super-resolution reactivity mapping of nanostructured catalyst particles. Angew Chem Int Ed Engl 2010; 48:9285-9. [PMID: 19890928 DOI: 10.1002/anie.200904944] [Citation(s) in RCA: 143] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Maarten B J Roeffaers
- Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
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De Cremer G, Sels BF, De Vos DE, Hofkens J, Roeffaers MBJ. Fluorescence micro(spectro)scopy as a tool to study catalytic materials in action. Chem Soc Rev 2010; 39:4703-17. [DOI: 10.1039/c0cs00047g] [Citation(s) in RCA: 144] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Braeken E, De Cremer G, Marsal P, Pèpe G, Müllen K, Vallée RAL. Single Molecule Probing of the Local Segmental Relaxation Dynamics in Polymer above the Glass Transition Temperature. J Am Chem Soc 2009; 131:12201-10. [DOI: 10.1021/ja901636v] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Els Braeken
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
| | - Gert De Cremer
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
| | - Philippe Marsal
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
| | - Gérard Pèpe
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
| | - Klaus Müllen
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
| | - Renaud A. L. Vallée
- Department of Chemistry and Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium, Centre Interdisciplinaire de Nanoscience de Marseille (UPR 3118, CNRS), Campus de Luminy, Case 913, F-13288 Marseille cedex 09, France, Max-Planck-Institut für Polymerforschnung, Ackermannweg 10, D-55128 Mainz, Germany, and Centre de Recherche Paul Pascal (UPR 8641, CNRS), 115 avenue du docteur Albert Schweitzer, F-33600 Pessac, France
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20
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De Cremer G, Coutiño-Gonzalez E, Roeffaers MBJ, Moens B, Ollevier J, Van der Auweraer M, Schoonheydt R, Jacobs PA, De Schryver FC, Hofkens J, De Vos DE, Sels BF, Vosch T. Characterization of Fluorescence in Heat-Treated Silver-Exchanged Zeolites. J Am Chem Soc 2009; 131:3049-56. [DOI: 10.1021/ja810071s] [Citation(s) in RCA: 147] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Gert De Cremer
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Eduardo Coutiño-Gonzalez
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Maarten B. J. Roeffaers
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Bart Moens
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Jeroen Ollevier
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Mark Van der Auweraer
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Robert Schoonheydt
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Pierre A. Jacobs
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Frans C. De Schryver
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Johan Hofkens
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Dirk E. De Vos
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Bert F. Sels
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
| | - Tom Vosch
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, and Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
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Ameloot R, Roeffaers M, Baruah M, De Cremer G, Sels B, De Vos D, Hofkens J. Towards direct monitoring of discrete events in a catalytic cycle at the single molecule level. Photochem Photobiol Sci 2009; 8:453-6. [DOI: 10.1039/b821657f] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Martínez VM, Cremer GD, Roeffaers MBJ, Sliwa M, Baruah M, De Vos DE, Hofkens J, Sels BF. Exploration of Single Molecule Events in a Haloperoxidase and Its Biomimic: Localization of Halogenation Activity. J Am Chem Soc 2008; 130:13192-3. [DOI: 10.1021/ja804606m] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Roeffaers MBJ, Ameloot R, Bons AJ, Mortier W, De Cremer G, de Kloe R, Hofkens J, De Vos DE, Sels BF. Relating pore structure to activity at the subcrystal level for ZSM-5: an electron backscattering diffraction and fluorescence microscopy study. J Am Chem Soc 2008; 130:13516-7. [PMID: 18800795 DOI: 10.1021/ja8048767] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The catalytic performance of microporous materials such as zeolites is determined not only by the active sites' molecular architecture, but also by the organization of the surrounding pores with varying diameter, shape, and directionality. These pores control transport of reagents and products and induce shape selectivity. Rather than being ideal single crystals, zeolites often have complex 3-dimensional morphologies, comprising intergrowths and various defect types. Here, the underlying pore architecture of the hexagonal facet of an individual zeolite ZSM-5 crystal is successfully determined by electron beam scattering diffraction and is correlated with the initial reactivity toward the acid-catalyzed oligomerization of furfuryl alcohol using polarized fluorescence microscopy.
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Affiliation(s)
- Maarten B J Roeffaers
- Department of Microbial and Molecular Systems, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
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Roeffaers MBJ, Ameloot R, Baruah M, Uji-i H, Bulut M, De Cremer G, Müller U, Jacobs PA, Hofkens J, Sels BF, De Vos DE. Morphology of Large ZSM-5 Crystals Unraveled by Fluorescence Microscopy. J Am Chem Soc 2008; 130:5763-72. [DOI: 10.1021/ja7113147] [Citation(s) in RCA: 133] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maarten B. J. Roeffaers
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Rob Ameloot
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Mukulesh Baruah
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Hiroshi Uji-i
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Metin Bulut
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Gert De Cremer
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Ulrich Müller
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Pierre A. Jacobs
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Johan Hofkens
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Bert F. Sels
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
| | - Dirk E. De Vos
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium, and BASF AG, GCC/Z M 301, 67056 Ludwigshafen, Germany
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De Cremer G, Roeffaers MBJ, Baruah M, Sliwa M, Sels BF, Hofkens J, De Vos DE. Dynamic Disorder and Stepwise Deactivation in a Chymotrypsin Catalyzed Hydrolysis Reaction. J Am Chem Soc 2007; 129:15458-9. [DOI: 10.1021/ja077621d] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Roeffaers MBJ, De Cremer G, Uji-i H, Muls B, Sels BF, Jacobs PA, De Schryver FC, De Vos DE, Hofkens J. Single-molecule fluorescence spectroscopy in (bio)catalysis. Proc Natl Acad Sci U S A 2007; 104:12603-9. [PMID: 17664433 PMCID: PMC1937513 DOI: 10.1073/pnas.0610755104] [Citation(s) in RCA: 127] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The ever-improving time and space resolution and molecular detection sensitivity of fluorescence microscopy offer unique opportunities to deepen our insights into the function of chemical and biological catalysts. Because single-molecule microscopy allows for counting the turnover events one by one, one can map the distribution of the catalytic activities of different sites in solid heterogeneous catalysts, or one can study time-dependent activity fluctuations of individual sites in enzymes or chemical catalysts. By experimentally monitoring individuals rather than populations, the origin of complex behavior, e.g., in kinetics or in deactivation processes, can be successfully elucidated. Recent progress of temporal and spatial resolution in single-molecule fluorescence microscopy is discussed in light of its impact on catalytic assays. Key concepts are illustrated regarding the use of fluorescent reporters in catalytic reactions. Future challenges comprising the integration of other techniques, such as diffraction, scanning probe, or vibrational methods in single-molecule fluorescence spectroscopy are suggested.
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Affiliation(s)
- Maarten B. J. Roeffaers
- *Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
| | - Gert De Cremer
- *Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
| | - Hiroshi Uji-i
- Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium; and
| | - Benîot Muls
- Department of Chemistry, Université Catholique de Louvain, Place L. Pasteur 1, B-1348 Louvain-la-Neuve, Belgium
| | - Bert F. Sels
- *Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
| | - Pierre A. Jacobs
- *Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
| | - Frans C. De Schryver
- Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium; and
| | - Dirk E. De Vos
- *Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
- To whom correspondence may be addressed. E-mail: or
| | - Johan Hofkens
- Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium; and
- To whom correspondence may be addressed. E-mail: or
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