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Статті в журналах з теми "Systèmes à libération contrôlée":
Sy, Papa Mady, Peggy Ngadou Ntchobaha, Sidy Mouhamed Dieng, Louis Augustin D. Diouf, Alphonse R. Djiboune, Boucar Ndong, Mamadou Soumboundou, et al. "Systèmes à libération contrôlée pH-dépendants de principes actifs hydrophobes à partir d’oléogels." International Journal of Biological and Chemical Sciences 15, no. 2 (June 21, 2021): 388–98. http://dx.doi.org/10.4314/ijbcs.v15i2.2.
Portal, Benjamin, and Bruno P. Guiard. "Rôle des connexines astrocytaires dans la régulation des taux extracellulaires de glutamate : implication pour le traitement des épisodes dépressifs majeurs." Biologie Aujourd’hui 214, no. 3-4 (2020): 71–83. http://dx.doi.org/10.1051/jbio/2020008.
MIGAUD, M., H. DARDENTE, M. KELLER, M. BATAILLER, M. MEURISSE, and D. PILLON. "Contrôle neuroendocrinien de la reproduction chez les mammifères." INRA Productions Animales 29, no. 4 (December 13, 2019): 255–66. http://dx.doi.org/10.20870/productions-animales.2016.29.4.2967.
Vergnaud, J. M. "Utilisations nouvelles pour les matières plastiques, avec la libération contrôlée de liquides." Matériaux & Techniques 79, no. 11 (1991): 11–15. http://dx.doi.org/10.1051/mattech/199179110011.
CHEMINEAU, P., M. BLANC, A. CARATY, G. BRUNEAU, and P. MONGET. "Sous-nutrition, reproduction et système nerveux central chez les mammifères : rôle de la leptine." INRAE Productions Animales 12, no. 3 (June 1, 1999): 217–23. http://dx.doi.org/10.20870/productions-animales.1999.12.3.3881.
BERANGER, C. "(only in French) Dossier : Systèmes d’élevage et typicité des produits laitiers." INRAE Productions Animales 16, no. 4 (August 11, 2003): 271–73. http://dx.doi.org/10.20870/productions-animales.2003.16.4.3665.
Han, Yisheng, Yiyong Wei, Shuseng Wang, and Yang Song. "Régénération cartilagineuse utilisant des cellules souches du tissu adipeux et des microsphères hybrides à libération contrôlée." Revue du Rhumatisme 77, no. 1 (January 2010): 28–33. http://dx.doi.org/10.1016/j.rhum.2009.11.004.
Gautier, H., A. Billon, C. Merle, and G. Daculsi. "Les substituts osseux à bioactivité contrôlée : un vecteur pour la libération de principes actifs. Place des antibiotiques." Antibiotiques 6, no. 2 (May 2004): 120–27. http://dx.doi.org/10.1016/s1294-5501(04)94252-5.
Dünkel, Frieder, and Mareike Fritsche. "L'aménagement de la peine et la libération conditionnelle dans les systèmes pénitentiaires allemand et français." Déviance et Société 29, no. 3 (2005): 335. http://dx.doi.org/10.3917/ds.293.0335.
FAFEUR, Véronique, C. TIBERGHIEN, France HAOUR, and F. DRAY. "Contrôle de la libération de la GH par le GRF et la prostaglandine E2 dans un système de périfusion de cellules anté-hypophysaires de rat." Reproduction Nutrition Développement 28, no. 2A (1988): 229–31. http://dx.doi.org/10.1051/rnd:19880202.
Дисертації з теми "Systèmes à libération contrôlée":
Mauduit, Jacques. "Nouveaux systèmes antibiotiques à libération contrôlée à base de gentamycine et de polymères biorésorbables." Rouen, 1991. http://www.theses.fr/1991ROUES008.
Lemut, Josiane. "Utilisations biomédicales des silicones : application à un système à libération contrôlée." Clermont-Ferrand 1, 1990. http://www.theses.fr/1990CLF14036.
Yang, QiaoWen. "Systèmes polymériques à base de dispersion aqueuse administrés par voie orale pour la libération contrôlée du principe actif." Lille 2, 2009. http://www.theses.fr/2009LIL2S045.
Estebe, Jean-Pierre. "Évaluation pré-clinique de systèmes thérapeutiques microparticulaires à libération contrôlée de bupivacaine dans les techniques d'anesthésie loco-régionale périphérique." Rennes 1, 2001. http://www.theses.fr/2001REN1BA55.
Ongkasin, Kanjana. "Elaboration de dispositifs médicaux ophtalmiques à libération contrôlée de médicaments par imprégnation supercritique." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0536.
Supercritical CO2 technologies are arisen as green and eco-responsible alternatives for drug formulation and medical device processing. The present PhD work aims to develop innovative ocular therapeutic medical devices to mitigate two post-operative complications of cataract surgery, endophthalmitis and posterior capsule opacification. Among other processes, supercritical impregnation was selected to load commercially available intraocular lenses (IOLs) commonly used in cataract surgery with ophthalmic drug components. A targeted action of drug molecules can be therefore achieved through a sustained release directly at the potential affected zones without requiring subsequent medical interventions. Supercritical impregnation of foldable hydrophobic acrylic IOLs was studied by varying the operating conditions of pressure (8 to 25 MPa), temperature (308 to 328 K) and impregnation duration (30 to 240 min). The influence of using ethanol as a co-solvent was also evaluated. In vitro drug release kinetics were studied and used to determine the impregnation yields. In order to rationalize the influence of the concomitant phenomena governing impregnation, thermodynamic behaviors of the involved systems, polymer/CO2 and drug/CO2 were studied. {Ex vivo} implantation of methotrexate impregnated IOLs on human donor capsular bags shown fibrosis reduction by inhibiting epithelial-mesenchymal transformation highlighting the potential of the innovative sustained-release drug-delivery IOLs to become of clinical relevance
Genty, Muriel. "Caractérisation des dispersions complexes de sphérulites et évaluation de leur potentiel pour la libération contrôlée et la protection d'espèces encapsulées : comparaison avec d'autres systèmes lipidiques." Paris 11, 2003. http://www.theses.fr/2003PA114807.
Jean, Baptiste Elixène. "Amélioration des propriétés antibactériennes et anticoagulantes des prothèses vasculaires en polyester par immobilisation et libération contrôlée de principes actifs." Thesis, Lille 2, 2012. http://www.theses.fr/2012LIL2S043/document.
Synthetic vascular prosthesis likewise vascular endoprosthesis are prone to several complications after implantation into the human body. Infections, thromboses and late occlusions are the most challenging and the most common, leading to serious clinical consequences that are sometimes lethal. Management of those complications is still fraught with tremendous difficulties justifying the economic burden and the continuous efforts in research development for improving vascular prosthetic materials. This research investment is, however, yet to yield any great clinical advance. Previous studies conducted in our research laboratory have led to the development of polyester vascular prostheses coated with a polymer of hydroxypropyl-β-cyclodextrin. This was achieved in order to increase the loading and eluting capacities of these vascular prostheses towards several antibiotics. In the current works, we sought to determine the optimal conditions for effective controlled release of three antibiotics from those prosthetic platforms. We have also evaluated their efficacy in both in vitro and in vivo models of vascular infections. This was carried-out against nine different bacteria strains that are among the most common in human vascular infections. Moreover, we have assessed in vivo their safety, their healing properties, their systemic toxicity and their biocompatibility in the prospect of clinical application.The above-mentioned drug delivery system has been proved to be effective in releasing in situ the selected antibacterial agents over a seven-day desorption period in human plasma. Optimal batch concentration and time for prosthetic immersion into the antibiotic solutions were well compatible with current surgical practice standards. A bactericidal activity evidenced by significant reduction of bacterial adhesion, growth and proliferation was revealed when compared to appropriate controls in the various tested vascular infection models. We have also studied antibacterial molecules alone or in combination. In this latter setting, no antagonistic effects were depicted. This provides a unique opportunity to customize local antibiotic treatment delivered in situ from vascular device fabrics and to adapt it to the evolving ecology of both monomicrobial and polymicrobial vascular prosthetic infection. The polyester vascular prostheses coated with a polymer of hydroxypropyl-β-cyclodextrin were proved in vivo safe and demonstrated excellent biocompatibility, healing properties and tissue integration without any signs of systemic toxicity. [...]
Kalaji, Mohamed Nader. "Élaboration d'un système de libération contrôlée des facteurs de croissance FGF-2 et TGF-β1 en vue de leur utilisation en odontologie conservatrice et endodontie". Phd thesis, Université Claude Bernard - Lyon I, 2010. http://tel.archives-ouvertes.fr/tel-00881178.
Kalaji, Mohamed Nader. "Élaboration d’un système de libération contrôlée des facteurs de croissance FGF-2 et TGF-β1 en vue de leur utilisation en odontologie conservatrice et endodontie". Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10224/document.
The purpose of this work was to investigate the effect of FGF 2 and TGF-β1 on the early steps of dentin regeneration using microencapsulation of theses factors into a microparticles matrix to ensure growth factors protection and to provide bioactive sustained release in contact with dental pulp cells and then the application of the obtained microparticles in direct pulp capping using a culture model of entire tooth. This work involves the optimization of technical means used to achieve encapsulation of TGFβ1, FGF-2 using the poly (lactic-glycolic acid) PLGA. Physicochemical and colloidal characterization of microspheres shows that the microparticles retain their physicochemical characteristics after drying and re-suspended in water. The double emulsion method was used to separately encapsulate (FGF-2) and (TGFβ1). Microparticles morphology, loading, shelf life, potential toxicity and release kinetics were studied. Then the proliferation of dental pulp cells was examined in contact with microparticles. Biological studies show no toxic effect of particles on pulp fibroblasts. Growth factors have kept their specific biological activity. A culture model of human entire tooth was used to achieve the application of microparticles as a dental direct capping material to confirm their biological activities ex vivo. These microparticles can be useful in studies of early steps of dentin regeneration, activation and migration of progenitor cells in dental pulp
Qnouch, Adam. "Implants en silicone pour le traitement de l’oreille interne." Thesis, Université de Lille (2018-2021), 2021. http://www.theses.fr/2021LILUS060.
The inner ear is the organ responsible for auditory perception and the maintenance of balance.When these perception systems are disrupted or damaged, various inner ear diseases can occur, such as deafness.The administration of an active ingredient into the inner ear by the classical routes (oral, intravenous, intramuscular) does not achieve sufficient concentrations to treat a disease.Therefore, a local and single administration can provide great benefits. The application of a hearing aid such as a cochlear implant may be necessary if deafness persists. A cochlear implant converts sound into an electrical signal in the same way that hair cells do, which can be translated back into auditory perception in the brain. The electrode is connected to an amplifier implanted behind the patient's ear. Implanting an electrode in the scala tympani of the inner ear can then help to restore sensory perception.As these cochlear implants are made of silicone, it is possible to load them with active ingredients. The release of active ingredient from silicone can be maintained for years: Silicone loaded with dexamethasone has been successfully implanted in pacemakers. After 10 years of implantation, an improvement in electrode function is observed compared to pacemakers not loaded with active ingredient. To adjust the release of the active ingredient, several parameters can be varied. In addition, the geometry and dimensions of the system can have a great influence on the release as they impact the length of the "path" the active ingredient has to travel to be released. This is particularly important given the rather hydrophobic nature of the polymer which slows down the penetration of water into the matrix and consequently the release of the active ingredient.The main objectives of this thesis are:- To study the long term in vitro release of dexamethasone loaded cochlear implants- To develop and characterise silicone matrices combining dexamethasone and dexamethasone phosphate
Книги з теми "Systèmes à libération contrôlée":
Green, Ralph. Drug and Enzyme Targeting, Part B, Volume 149: Volume 149: Drug and Enzyme Targeting Part B (Methods in Enzymology). Academic Press, 1987.
Частини книг з теми "Systèmes à libération contrôlée":
Rataj, V., F. Ruyffelaere, and J.-M. Aubry. "Libération contrôlée de molécules de parfum à partir de précurseurs." In Formulation cosmétique, 82–96. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0144-2.c010.
"Gels et libération contrôlée : défis et enjeux Christophe CASTEL, Delphine MAZENS, Michèle LEONARD, Eric FAVRE." In Procédés et formulations au service de la santé, 60–70. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0939-4-006.
"Gels et libération contrôlée : défis et enjeux Christophe CASTEL, Delphine MAZENS, Michèle LEONARD, Eric FAVRE." In Procédés et formulations au service de la santé, 60–70. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0939-4.c006.