Jacques Lemaître

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Professeur honoraire

jacques.lemaitre@epfl.ch

Nationalité: Belge

Date de naissance: 28.04.1948

EPFL STI-DO
BM 4101 (Bâtiment BM)
Station 17
1015 Lausanne

Local: BM 4101
EPFL > STI > STI-DEC > PH-STI

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Données administratives

Domaines de compétences

Physico-chimie des surfaces et colloides. Thermochimie des solutions aqueuses: calculs de solubilité de composés inorganiques (phosphates, carbonates, oxalates...). Chimie et solubilité des phosphates ce calcium en milieux aqueux. Synthèse de phosphates de calcium, en particulier l'hydroxyapatite; biominéralisation. Biomatériaux de comblement osseux : bio-ciments phospho-calciques injectables, biocéramiques. Méthodologie expérimentale : plans statistiques d'expérience, en particulier dans le domaine des biomatériaux (planification d'expériences in vitro et in vivo).

Mission

Suppléant du professeur H. Hofmann à la direction du Laboratoire de Technologie des Poudres. Responsable du groupe de recherche "Chimie de Surface et Biomatériaux". Responsable de plusieurs enseignements: - Science des matériaux divisés (physico-chimie aux interfaces) Thermodynamique des matériaux (responsabilité partagée avec MM H. Hofmann et P. Bowen) - Biomatériaux (matériaux pour usage biomédical) - Matériaux biomimétiques - Optimisation des matériaux et plans d'expériences (méthodologie expérimentale). Au sein de la Section Science et Génie des Matériaux, coordinateur de la filière "Matériaux pour applications biologiques et médicales".

Publications

Publications Infoscience

Infoscience

Evidence of a transient phase during the hydrolysis of calcium-deficient hydroxyapatite

E. F. Bres; T. Duhoo; N. Leroy; J. Lemaitre

International Journal Of Materials Research. 2022. DOI : 10.3139/ijmr-2005-0090.

Jacques Lemaître

Professeur honoraire

Domaines de compétences

Mission

Publications

Publications Infoscience

Infoscience

Evidence of a transient phase during the hydrolysis of calcium-deficient hydroxyapatite

Rapid evaluation of bioactive Ti-based surfaces using an in vitro titration method

Calcium phosphate formation on titanium-based surfaces: bioactivity evaluated by in vitro methods

A comparative study of simulated body fluids in the presence of proteins

Degradation rates and products of pure magnesium exposed to different aqueous media under physiological conditions

Evaluation de la bioactivité des substituts osseux

Precipitation of Nanosized and Nanostructured Powders: Process Intensification and Scale-Out Using a Segmented Flow Tubular Reactor (SFTR)

Control of morphology and nanostructure of copper and cobalt oxalates: Effect of complexing ions, polymeric additives and molecular weight

Contribution of Aggregation to the Growth Mechanism of Seeded Calcium Carbonate Precipitation in the Presence of Polyacrylic Acid

Preparation and characterization of dense nanohydroxyapatite/PLLA composites

A thermodynamic solution model for calcium carbonate: Towards an understanding of multi-equilibria precipitation pathways

Can bioactivity be tested in vitro with SBF solution ?

Precipitation of Nanostructured Copper Oxalate: Substructure and Growth Mechanism

A thermodynamic model for the precipitation of nanostructured copper oxalates

Evidence of a transient phase during the hydrolysis of a calcium-deficient hydroxyapatite

Investigation of nucleation and crystal growth kinetics of nickel manganese oxalates

Use of seeds to control precipitation of calcium carbonate and determination of seed nature

Précipitation Contrôlée de carbonate de calcium en Présence de germes: mécanisme de précipitation

Immediate implant placement using injectable calcium phosphate hydraulic cement in dogs

Vieillissement des biociments brushitiques : étude expérimentale "in vitro" et simulations numériques

High quality nickel manganese oxalate powders synthetized in a new segmented flow tubular reactor

Assembly of nano-domain buidings blocks of copper oxalate with a cubic morphology

Development of a continuous segmented flow tubular reactor and the " scale-out" concept - In search of perfect powders

Influence of polymeric additives on the biological properties of brushite cements: an experimental study in rabbit

Raman microspectrometry studies of calcified tissues and related biomaterials

Injectable calcium phosphate hydraulic cement (CPHC) used for periodontal tissue regeneration: A study of a dog model

High quality manganite powders synthesised with a new reactor technology

Hydroxyapatite cement scaffolds with controlled macroporosity: fabrication and mechanical properties

Précipitation de CaCO3 en réacteur tubulaire : rôle des germes pour le contrôle de la granulométrie et de la sélectivité

Les ciments hydrauliques phosphocalciques: formulations et propriétés

Radio-opacité d'un ciment phospho-calcique pour la vertébroplastie

The biodegradation mechanism of calcium phosphate biomaterials in bone

Interdisciplinary research conference on biomaterials

Bone colonization of beta-TCP granules incorporated in brushite cements

Development and characterisation of injectable calcium phosphate cements for use in vertebroplasty

Influence of raw powder granulometry on the mechanical properties of a calcium phosphate bone cement

Précipitation d'oxalates métalliques nanostructurés

Nano-Composites Powders, A New Concept for their Synthesis

Mechanical Characterisation of Brushite and Hydroxyapatite Cements

Mechanical characterization of brushite cements: a Mohr circles'approach

Calcium carbonate precipitation using new segmented flow tubular reactor

Effect of several additives and their admixtures on the physico-chemical properties of a calcium phosphate cement

Precipitation of self-organized copper oxalate polycrystalline particles in the presence of hydroxymethylcellulose (HPMC): control of morphology

New morphology of calcium oxalate trihydrate precipitated in a segmented flow tubular reactor

Low temperature aqueous synthesis (LTAS) of BaTiO3: a statistical design of experiment approach

Control of gentamicin release from a calcium phosphate cement by admixed poly(acrilic acid)

Calcination and morphological evolution of cubic copper oxalate particles

Hydraulic calcium phosphate cements for bone reconstruction: from crystal chemistry to biomechanics

In vitro aging of a calcium phosphate cement

Qualitative and quantitative investigation of calcium phosphate of biological interest by raman microspectrometry

Reinforcement of osteosynthesis screws with brushite cements

Implants osseux

Aqueous synthesis of mixed yttrium-barium oxalates

Better control of nucleation and phase purity using a new segmented flow tubular reactor: Model system: Precipitation of calcium oxalate

Volume effect on biological properties of a calcium phosphate hydraulic cement: experimental study in sheep

Raman microspectrometry studies on brushite cement: in vivo evolution in a sheep model

Histological and Biomechanical Studies of Two Bones Colonizable Cements in Rabbits

Contrôle de la composition, de la morphologie et de la granulométrie des oxalates de Y, Ba et Cu précipités en milieu aqueux

Adsorption of catalase on hydroxyapatite

Influence d'un additif polymérique sur la morphologie de particules d'oxalate de cuivre

Development of the new segmented flow tubular reactor for powder technology

Synthesis of nickel hydroxide powders by urea decomposition

Evaluation des propriétés biologiques in vivo chez le lapin d'un ciment hydraulique phospho-calcique.

Biomechanical characterization of a biodegradable calcium phosphate hydraulic cement : A comparison with porous biphasic calcium phosphate ceramics

Développement d'un modèle permettant de tester des substituts osseux injectables et mise au point d'un ciment phosphocalcique de comblement

Gentamicin-loaded hydraulic calcium phosphate bone cement as antibiotic delivery system

Gentamicin sulfate release from a hydraulic calcium phosphate cement : Influence of the additive poly(acrylic acid).

Densification and anomalous grain growth during sintering of undoped barium titanate

Kinetics of dissolution of beta-tricalcium phosphate

Adsorption of succinylated lysozyme on hydroxyapatite

Optimization of setting time and mechanical strength of beta-TCP/MCPM cements

New Injectable Composites for Bone Replacement

Hydraulic Surgical Cement