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Petit S, Thomas C, Millot Y, Krafft J, Laberty‐Robert C, Costentin G. Activation of C−H Bond of Propane by Strong Basic Sites Generated by Bulk Proton Conduction on V‐Modified Hydroxyapatites for the Formation of Propene. ChemCatChem 2020. [DOI: 10.1002/cctc.201902181] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sarah Petit
- Sorbonne Université, CNRS Laboratoire Réactivité de Surface, LRS F-75005 Paris France
- Sorbonne Université, CNRS Laboratoire Chimie de la Matière Condensée de Paris, LCMCP F-75005 Paris France
| | - Cyril Thomas
- Sorbonne Université, CNRS Laboratoire Réactivité de Surface, LRS F-75005 Paris France
| | - Yannick Millot
- Sorbonne Université, CNRS Laboratoire Réactivité de Surface, LRS F-75005 Paris France
| | - Jean‐Marc Krafft
- Sorbonne Université, CNRS Laboratoire Réactivité de Surface, LRS F-75005 Paris France
| | - Christel Laberty‐Robert
- Sorbonne Université, CNRS Laboratoire Chimie de la Matière Condensée de Paris, LCMCP F-75005 Paris France
| | - Guylène Costentin
- Sorbonne Université, CNRS Laboratoire Réactivité de Surface, LRS F-75005 Paris France
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2
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Osman MB, Krafft J, Thomas C, Yoshioka T, Kubo J, Costentin G. Importance of the Nature of the Active Acid/Base Pairs of Hydroxyapatite Involved in the Catalytic Transformation of Ethanol ton‐Butanol Revealed byOperandoDRIFTS. ChemCatChem 2019. [DOI: 10.1002/cctc.201801880] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Manel Ben Osman
- Laboratoire Réactivité de Surface, LRSSorbonne Université, CNRS 75005 Paris France
| | - Jean‐Marc Krafft
- Laboratoire Réactivité de Surface, LRSSorbonne Université, CNRS 75005 Paris France
| | - Cyril Thomas
- Laboratoire Réactivité de Surface, LRSSorbonne Université, CNRS 75005 Paris France
| | - Tetsuya Yoshioka
- Central Research CenterSangi Co., Ltd. Fudoinno 2745-1, Kasukabe-shi Saitama 344-0001 Japan
| | - Jun Kubo
- Central Research CenterSangi Co., Ltd. Fudoinno 2745-1, Kasukabe-shi Saitama 344-0001 Japan
| | - Guylène Costentin
- Laboratoire Réactivité de Surface, LRSSorbonne Université, CNRS 75005 Paris France
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Guisnet M, Pinard L. Characterization of acid-base catalysts through model reactions. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2018. [DOI: 10.1080/01614940.2018.1446683] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Michel Guisnet
- University of Poitiers, Poitiers, France
- Technical University of Lisbon, Lisbon, Portugal
| | - Ludovic Pinard
- CNRS UMR7285, Institut de Chimie des Milieux et Matériaux de Poitiers, University of Poitiers, Poitiers, France
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4
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Wan E, Travert A, Quignard F, Tichit D, Tanchoux N, Petitjean H. Modulating Properties of Pure ZrO2
for Structure-activity Relationships in Acid-base Catalysis: Contribution of the Alginate Preparation Route. ChemCatChem 2017. [DOI: 10.1002/cctc.201700171] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Elodie Wan
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM; Matériaux Avancés pour la Catalyse et la Santé, ENSCM; 8 rue Ecole Normale 34296 Montpellier Cedex 5 France
| | - Arnaud Travert
- Normandie Univ., ENSICAEN, UNICAEN, CNRS; Laboratoire Catalyse et Spectrochimie; 14000 Caen France
| | - Françoise Quignard
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM; Matériaux Avancés pour la Catalyse et la Santé, ENSCM; 8 rue Ecole Normale 34296 Montpellier Cedex 5 France
| | - Didier Tichit
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM; Matériaux Avancés pour la Catalyse et la Santé, ENSCM; 8 rue Ecole Normale 34296 Montpellier Cedex 5 France
| | - Nathalie Tanchoux
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM; Matériaux Avancés pour la Catalyse et la Santé, ENSCM; 8 rue Ecole Normale 34296 Montpellier Cedex 5 France
| | - Hugo Petitjean
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM-ENSCM; Matériaux Avancés pour la Catalyse et la Santé, ENSCM; 8 rue Ecole Normale 34296 Montpellier Cedex 5 France
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Shuai C, Cao Y, Dan G, Gao C, Feng P, Wu P. Improvement in degradability of 58s glass scaffolds by ZnO and β-TCP modification. Bioengineered 2016; 7:342-351. [PMID: 27710432 DOI: 10.1080/21655979.2016.1197032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
58s bioactive glass shows great potential for bone defects repair. However, at early repairing stage, the degradation rate of 58s glass is too fast due to the fast ion-exchange. At later repairing stage, the degradation rate of 58s glass is too slow due to the high dense mineral layer. In this work, Zinc oxide (ZnO) and β-tricalcium phosphate (β-TCP) were introduced into 58s glass bone scaffolds to improve the degradability. The results showed that ZnO could decrease the degradation rate and promote the stability of 58s glass at early repairing stage. Moreover, the presence of β-TCP appeared to increase the degradation rate at a later stage of repairing. Furthermore, in vitro biocompatibility study, carried out using human osteoblast-like cells (MG63), demonstrated that ZnO and β-TCP enhanced cell attachment and proliferation. The study provided a reference for further research in bone tissue engineering.
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Affiliation(s)
- Cijun Shuai
- a State Key Laboratory of High Performance Complex Manufacturing, Central South University , Changsha , P.R. China.,c Shenzhen Research Institute, Central South University , Shenzhen , P.R. China
| | - Yiyuan Cao
- a State Key Laboratory of High Performance Complex Manufacturing, Central South University , Changsha , P.R. China
| | - Gao Dan
- d School of Basic Medical Science, Central South University , Changsha , P.R. China
| | - Chengde Gao
- a State Key Laboratory of High Performance Complex Manufacturing, Central South University , Changsha , P.R. China
| | - Pei Feng
- a State Key Laboratory of High Performance Complex Manufacturing, Central South University , Changsha , P.R. China
| | - Ping Wu
- b College of Chemistry, Xiangtan University , Xiangtan , P.R. China
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6
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Ben Osman M, Krafft JM, Millot Y, Averseng F, Yoshioka T, Kubo J, Costentin G. Molecular Understanding of the Bulk Composition of Crystalline Nonstoichiometric Hydroxyapatites: Application to the Rationalization of Structure-Reactivity Relationships. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600244] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Manel Ben Osman
- Sorbonne Université UPMC Univ Paris 06 CNRS UMR 7197 Laboratoire Réactivité de Surface 75005 Paris France
| | - Jean Marc Krafft
- Sorbonne Université UPMC Univ Paris 06 CNRS UMR 7197 Laboratoire Réactivité de Surface 75005 Paris France
| | - Yannick Millot
- Sorbonne Université UPMC Univ Paris 06 CNRS UMR 7197 Laboratoire Réactivité de Surface 75005 Paris France
| | - Frederic Averseng
- Sorbonne Université UPMC Univ Paris 06 CNRS UMR 7197 Laboratoire Réactivité de Surface 75005 Paris France
| | - Tetsuya Yoshioka
- Central Research Center CNRS Sangi Co., Ltd. Fudoinno 2745‐1 Kasukabe‐shi Saitama 344‐0001 Japan
| | - Jun Kubo
- Central Research Center CNRS Sangi Co., Ltd. Fudoinno 2745‐1 Kasukabe‐shi Saitama 344‐0001 Japan
| | - Guylène Costentin
- Sorbonne Université UPMC Univ Paris 06 CNRS UMR 7197 Laboratoire Réactivité de Surface 75005 Paris France
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7
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Shuai C, Huang W, Feng P, Gao C, Shuai X, Xiao T, Deng Y, Peng S, Wu P. Tailoring properties of porous Poly (vinylidene fluoride) scaffold through nano-sized 58s bioactive glass. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2015; 27:97-109. [DOI: 10.1080/09205063.2015.1114286] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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8
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Bordiga S, Lamberti C, Bonino F, Travert A, Thibault-Starzyk F. Probing zeolites by vibrational spectroscopies. Chem Soc Rev 2015; 44:7262-341. [PMID: 26435467 DOI: 10.1039/c5cs00396b] [Citation(s) in RCA: 188] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This review addresses the most relevant aspects of vibrational spectroscopies (IR, Raman and INS) applied to zeolites and zeotype materials. Surface Brønsted and Lewis acidity and surface basicity are treated in detail. The role of probe molecules and the relevance of tuning both the proton affinity and the steric hindrance of the probe to fully understand and map the complex site population present inside microporous materials are critically discussed. A detailed description of the methods needed to precisely determine the IR absorption coefficients is given, making IR a quantitative technique. The thermodynamic parameters of the adsorption process that can be extracted from a variable-temperature IR study are described. Finally, cutting-edge space- and time-resolved experiments are reviewed. All aspects are discussed by reporting relevant examples. When available, the theoretical literature related to the reviewed experimental results is reported to support the interpretation of the vibrational spectra on an atomic level.
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Affiliation(s)
- Silvia Bordiga
- Department of Chemistry, NIS and INSTM Reference Centers, University of Torino, Via Quarello 15, I-10135 Torino, Italy
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9
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Enhancement mechanisms of graphene in nano-58S bioactive glass scaffold: mechanical and biological performance. Sci Rep 2014; 4:4712. [PMID: 24736662 PMCID: PMC3988481 DOI: 10.1038/srep04712] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 03/31/2014] [Indexed: 12/22/2022] Open
Abstract
Graphene is a novel material and currently popular as an enabler for the next-generation nanocomposites. Here, we report the use of graphene to improve the mechanical properties of nano-58S bioactive glass for bone repair and regeneration. And the composite scaffolds were fabricated by a homemade selective laser sintering system. Qualitative and quantitative analysis demonstrated the successful incorporation of graphene into the scaffold without obvious structural damage and weight loss. The optimum compressive strength and fracture toughness reached 48.65 ± 3.19 MPa and 1.94 ± 0.10 MPa·m1/2 with graphene content of 0.5 wt%, indicating significant improvements by 105% and 38% respectively. The mechanisms of pull-out, crack bridging, crack deflection and crack tip shielding were found to be responsible for the mechanical enhancement. Simulated body fluid and cell culture tests indicated favorable bioactivity and biocompatibility of the composite scaffold. The results suggest a great potential of graphene/nano-58S composite scaffold for bone tissue engineering applications.
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Drouilly C, Krafft JM, Averseng F, Lauron-Pernot H, Bazer-Bachi D, Chizallet C, Lecocq V, Costentin G. Origins of the deactivation process in the conversion of methylbutynol on zinc oxide monitored by operando DRIFTS. Catal Today 2013. [DOI: 10.1016/j.cattod.2012.08.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Scalbert J, Meunier FC, Daniel C, Schuurman Y. An operando DRIFTS investigation into the resistance against CO2poisoning of a Rh/alumina catalyst during toluenehydrogenation. Phys Chem Chem Phys 2012; 14:2159-63. [DOI: 10.1039/c1cp22620g] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Petitjean H, Chizallet C, Krafft JM, Che M, Lauron-Pernot H, Costentin G. Basic reactivity of CaO: investigating active sites under operating conditions. Phys Chem Chem Phys 2010; 12:14740-8. [DOI: 10.1039/c0cp00855a] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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