Academic literature on the topic 'Forme à libération contrôlée'
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Journal articles on the topic "Forme à libération contrôlée"
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.
Full textDaveluy, Amélie, Hélène Géniaux, Marie-Noëlle Matta, Marie Baumevieille, Aurélie Lazès-Charmettant, Françoise Haramburu, and Pascale Guéroult. "Le parachute : forme à libération immédiate ou prolongée ?" Therapies 72, no. 1 (February 2017): 148. http://dx.doi.org/10.1016/j.therap.2016.11.008.
Full textSy, 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.
Full textVergnaud, 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.
Full textBergeron, Normand, and André G. Roy. "Le rôle de la végétation sur la morphologie d’un petit cours d’eau." Géographie physique et Quaternaire 39, no. 3 (December 4, 2007): 323–26. http://dx.doi.org/10.7202/032613ar.
Full textBencheikh, Siham, Fadia Rahal, and Salima Lefkir-Tafiani. "Promising biologic therapies in COVID-19." Batna Journal of Medical Sciences (BJMS) 7, S (August 26, 2020): S34—S37. http://dx.doi.org/10.48087/bjmstf.2020.s718.
Full textMathier, Louis, and André G. Roy. "Variations de la forme des versants le long d’un cours d’eau miniature." Géographie physique et Quaternaire 38, no. 1 (November 29, 2007): 81–86. http://dx.doi.org/10.7202/032539ar.
Full textHan, 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.
Full textPerron, Dominique. "Dire ce que l’on sait : la « docte ignorance » dans le théâtre de Marie Laberge." Dossier 21, no. 3 (August 29, 2006): 490–506. http://dx.doi.org/10.7202/201260ar.
Full textGautier, 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.
Full textDissertations / Theses on the topic "Forme à libération contrôlée"
Lemut, Josiane. "Utilisations biomédicales des silicones : application à un système à libération contrôlée." Clermont-Ferrand 1, 1990. http://www.theses.fr/1990CLF14036.
Full textSavin, Corina-Lenuta. "Biomatériaux à base de polysaccharides modifiés, micro / nanoparticules et sous forme de film, pour la libération contrôlée de principes actifs." Thesis, Mulhouse, 2018. http://www.theses.fr/2018MULH2379.
Full textThe objective of the thesis was to obtain novel gels based on polyglobalide or chitosan for the transport, targeting and controlled release of drugs, in cases of specific skin conditions, as well as certain diseases of the posterior segment of the eye. A new type of polyglobalide-based polymeric gels and of poly(ethylene glycol) with thiol function were prepared by photo-induced thiol-ene addition reaction, in order to carry out an active transport of the drugs. The systems obtained were analyzed structurally and morphologically. The materials obtained have large pore sizes, about 30, 60 and 150 μm for the gels obtained at the initial polymer concentration of 20, 10 and 5%, respectively. This porosity may be important for tissue engineering applications. New type of micro/nanoparticles based on chitosan grafted with poly(ethylene glycol) methacrylate were also synthesized by a double cross-linking inverse emulsion process. The particles with optimal characteristics (in terms of morphology, degree of swelling in water…) were analyzed from the point of view of the encapsulation and release capacity of specific drugs (Bevacizumab, respectively Levofloxacin). These micro/nanoparticles show a high degree of swelling (700 ± 1000%), which explains the high efficiency of loading the drugs. The prepared nanoparticles are hemocompatible and can be administered intraocularly/ intravenously. The results of the in vitro release are encouraging, showing that the amount of levofloxacin released in 120 hours for levofloxacin and 583 hours for bevacizumab is very sensitive to the maximum dose usually given to the patients with ocular infections. The novelty of these systems consists in obtaining a new vector in particle form, that could be administered by injection into the eyeball, either by instillation into the conjunctival sac of the eye. These systems are also able to include, transport and release drugs, which will treat inflammation and neovascularization
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.
Full textOuriemchi, El Mekki. "Étude in vitro de nouvelles formes pharmaceutiques orales à libération contrôlée : modélisation de leur comportmeent dans le cas in vivo." Saint-Etienne, 1995. http://www.theses.fr/1995STET4013.
Full textDavid, Hélène. "Etude de matrices polymères permettant la libération contrôlée d'agents actifs en agriculture : expérimentation et modélisation des transferts de matière." Saint-Etienne, 1989. http://www.theses.fr/1989STET4004.
Full textPereira, Camelo Sarah Regina. "Encapsulation de molécules hydrophobes par des structures bi-gels générées par prilling : relation structure-propriétés." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2015. http://www.theses.fr/2015EMAC0002/document.
Full textThis thesis focuses on the generation and characterization of organo-hydrogel capsules (bigels), manufactured by prilling technology for controlled drug delivery after oral administration. Efavirenz (EFV), an antiretroviral medications used to treat HIV/AIDS, is the active pharmaceutical ingredient (API) used as a model molecule of low solubility in water. It was dissolved in the organogel, which is compound of sunflower oil and 12-hydroxystearic acid (12-HSA). The organogel was characterized by its phase transition temperature sol-gel-sol. The typical thermoreversibility of this organogel has not changed with introduction of EFV. The organogels were produced at two temperatures (5 °C and 25 °C) and with two concentrations of 12-HSA (5% and 20%) for being characterized as an API vehicle. Two dissolution media were used with and without enzymes (pH 1.2 and 6.8), for EFV release quantification. The EFV release profile from bi-gels capsules (diameter from 2500 to 3000 μm) is essentially related to the amount of organogelator in their core, to the presence of the alginate membrane and to the state physics of this membrane (hydrated or dry). The release of EFV has reduced 50% at acid pH in the presence of the external membrane. In simulated gastric fluid, the release is slower than at pH 6.8 (simulated intestinal fluid). In the intestine, the membrane loses its protective function and the organogel’s core begins to control the release of EFV. Two release mechanisms are observed: erosion and diffusion, which can be explained by the Korsmeyer-Peppas model
Blas, Hélène. "Polymérisation radicalaire contrôlée par le nitroxyde SG1 à la surface de particules de silice mésoporeuse." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2009. http://tel.archives-ouvertes.fr/tel-00813166.
Full textBakhouya, Abderrahmane. "Etude du processus de libération des principes actifs à partir de formes galéniques lipidiques à matrice de gélucire : modélisation de la pénétration tissulaire de la ciprofloxacine." Saint-Etienne, 1996. http://www.theses.fr/1996STET4013.
Full textChafi, Nafa. "Synthèses, caractérisation et hydrolyses de nouvelles formes galéniques avec des polymères supports de médicaments : étude de la libération contrôlée dans un milieu gastrique de Ph=1,2 : modélisation des transferts de matières." Saint-Etienne, 1990. http://www.theses.fr/1990STET4003.
Full textDelplace, Céline. "Microparticules à libération contrôlée : nouveaux polymères et importance des conditions de libération." Thesis, Lille 2, 2012. http://www.theses.fr/2012LIL2S007.
Full textPoly(lactic-co-glycolic) acid (PLGA)-based microparticles represent an attractive choice to sustain drug release over periods ranging from a few days up to several months, while ensuring good biocompatibility and complete biodegradability. Recently, tremendous efforts have been devoted to improve the properties of these copolymers by introducing functional groups along the polymeric chain, with the aim of modulating the drug release.On the one hand, the main objective of this work was to investigate the potential application of new functionalized copolymers bearing pendant carboxyl groups (PLA-co-PBED), as controlled drug delivery device. In this study, apomorphine was encapsulated as a model drug. Its therapeutic effect is limited due to its very short half-life and its strong emetic effect. Consequently, biodegradable microparticles would offer the advantage of improving therapeutic efficiency and compliance, by reducing administration frequency and minimizing systemic side effects. Apomorphine-loaded, PLA-co-PBED-based microparticles were prepared using an emulsion method. Microparticles based on PLGA 50:50 of different molecular weights were used as a reference. The obtained microparticles were characterized using various techniques. The residual content of dichloromethane (used as organic phase during microparticle preparation) was quantified and the in vitro release of apomorphine was studied. Interestingly, the functionalized polymers bearing free-carboxylic groups led to higher drug encapsulation efficiencies, lower residual contents of dichloromethane and different drug release patterns. These results suggest a promising application of these functionalized polymers to control drug release. Furthermore, the impact of the formulation parameters on the resulting physico-chemical properties of microparticles was studied. The main objective was to optimize the encapsulation efficiency, while minimizing initial burst release, to avoid toxic concentration peaks, and thus potential side effects. In this matter, some formulation parameters were varied during the preparation of microparticles based on PLGA 50:50 of 10 kDa. Optimal parameters were selected to achieve a zero-order apomorphine release over 10 days.On the other hand, it is well known that the in vitro drug release studies are crucial for the development of PLGA-based microparticles. However, as no standardized method has yet been established by authority agencies, very different methods are used in practice and their consequences on the resulting drug release kinetics are not well understood. Consequently, this work was intended to evaluate the impact of the experimental conditions on the resulting drug release kinetics from PLGA-based microparticles. Frequently applied setups were used. Different model drugs were encapsulated at different initial drug loadings. Various techniques were used to characterize the resulting formulations. Mathematical modeling was applied to better understand the observed phenomena. These results showed that the impact of the experimental conditions can be negligible or significant, depending on the type of formulation and the experimental setup. The observed differences could partially be explained by differences in the underlying drug release mechanisms. It can be concluded that great care must be taken when drawing conclusions from in vitro drug release measurements
Books on the topic "Forme à libération contrôlée"
(Editor), Kenneth J. Widder, ed. Drug and Enzyme Targeting, Part B, Volume 149: Volume 149: Drug and Enzyme Targeting Part B (Methods in Enzymology). Academic Press, 1987.
Find full textBook chapters on the topic "Forme 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.
Full text"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.
Full text"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.
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