Jacques Rieumont

University of Havana

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R. Sánchez

State University of Norte Fluminense

Natalia Davidenko

University of Cambridge

J. Lange

Universidade Federal do Rio de Janeiro

Rebeca Vega

University of Havana

R. Sastre

Instituto de Ciencia y Tecnología de Polímeros

Rodrigo L. Lavall

Universidade Federal de Minas Gerais

H. Vargas

State University of Norte Fluminense

Marcelo Silva Sthel

State University of Norte Fluminense

Glaura G. Silva

Universidade Federal de Minas Gerais

Regino González

University of Havana

Cooperative Institutions

University of Havana

State University of Norte Fluminense

Universidade Federal de Minas Gerais

Universidade de São Paulo

Universidade Federal do Rio de Janeiro

Instituto Politécnico Nacional

Centre National de la Recherche Scientifique

Rede de Química e Tecnologia

Universidad Autónoma Metropolitana

Center for Research and Advanced Studies of the National Polytechnic Institute

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Photoinitiated bulk polymerization of furfuryl methacrylate. Experimental and kinetic modelling results obtained at different temperatures

Polymer (1998)

J. Lange Jacques Rieumont Natalia Davidenko R. Sastre

Furfuryl alcohol

Arrhenius plot

Furan

10.1016/s0032-3861(97)00544-2

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Citations (28)

Kinetic and structural features of furan compounds as inhibitors of the radical polymerization of vinyl acetate

Polímeros (1997)

Rebeca Vega Jacques Rieumont

Some furan compounds bearing a double bond in the side group have been examined as inhibitors of the radical polymerization of vinyl acetate initiated by AIBN in ethyl acetate at 60 ºC. The inhibition effect was found to follow the order: furfurylidenacetone > furylacrolein > furanacrylic acid > furylacrylmorpholinamide as a consequence of the greater stabilization of the radical formed. The site of radical attack can be considered either as the C-5 position of the furan ring or as the double bond of the side group. The compounds taken as models such as 5-methylfuranacrylic acid and furfurylidenbutanal indicate that both positions can participate in the inhibitory process.

Furan

Vinyl acetate

Radical cyclization

10.1590/s0104-14281997000300007

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Citations (2)

Facile method for synthesis of polyaniline/silica hybrid composites by simultaneous sol–gel process and “in situ” polymerization of aniline

Journal of Sol-Gel Science and Technology (2012)

Mayra González Bluma G. Soares Matheus Magioli Jéssica Alves Marins Jacques Rieumont

Thermogravimetric analysis

Hybrid material

Thermal Stability

In situ polymerization

10.1007/s10971-012-2796-5

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Citations (17)

Synthesis and electrochemical and optical characterization of poly(3-octadecylthiophene)

Synthetic Metals (2008)

Hállen Daniel Rezende Calado Túlio Matencio Cláudio Luis Donnici L. A. Cury Jacques Rieumont

Tetrahydrofuran

Proton NMR

10.1016/j.synthmet.2008.07.003

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Citations (13)

Formulation and Characterization of Anthocyanins-Loaded Nanoparticles

Current Drug Delivery (2016)

Danay Dupeyrón Monique Y.M. Kawakami Jacques Rieumont J. L. V. de Carvalho

Açaí berry, from the Euterpe oleracea Mart. Palm, has been described as the most important fruit in the Brazilian Amazon. Several studies have reported that anthocyanins (ACNs), one of the components of the açaí, have enormous potential for pharmaceuticals applications. However, the bioavailability of anthocyanins is relatively low compared to that of other flavonoids. Then, in the present work, anthocyanins-loaded nanoparticles have been developed to overcome their poor bioavailability.A two-level factorial design with three factors was considered to evaluate the effect of EUDRAGIT ® L100, polyethylene glycol 2000 (PEG 2000) and polysorbate 80 on encapsulation efficiency (EE) of anthocyanins. Also, major parameters of nanoparticles were assessed by using mainly SEM microscopy and Dynamic light scattering.PEG 2000 was the only individual factor that has statistical significance (95% confidence level). The process yields (PY) were found in between 67% and 92%; the particle size and morphology analysis showed two distribution size, one for NPs and another for the agglomerates.The pH-sensitive polymer together with the hydrophilic polymer showed to be suitable as ACNs delivery system. The delayed release profile of ACNs, observed for all formulations, can enhance their poor bioavailability. Nevertheless, ACNs bioavailability in vivo remains to be studied.

Polyvinyl Alcohol

10.2174/1567201813666160915102151

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Citations (13)

MNDO calculations on the reactivity of furan compounds towards polymeric radicals

Polymer (1995)

JoséA. Paz Jacques Rieumont Luís A. Montero J. Raúl Alvarez‐Idaboy

MNDO

HOMO/LUMO

Reactivity

Furan

10.1016/0032-3861(96)81629-6

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Citations (4)

OBTENCIÓN DE UN FERTILIZANTE DE LIBERACIÓN LENTA Y CONTROLADA ENRIQUECIDO CON DIFERENTES PLANTAS MARINAS

Revista cubana de química (2005)

Mayra Fernanda Castañeda González M. Rodríguez García María I. Hernández C. Rodríguez Jacques Rieumont

Source

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Citations (0)

Kinetics of furfuryl alcohol polymerisation by iodine in methylene dichloride

European Polymer Journal (2002)

Regino González Jacques Rieumont Juan Manuel Figueroa Javier Siller Hilda González

Furfuryl alcohol

Cationic polymerization

Methylene

10.1016/s0014-3057(01)00091-x

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Citations (15)

Drug–matrix interactions in nanostructured materials containing fluoxetine using sol-gel titanium oxide as a matrix

Journal of materials research/Pratt's guide to venture capital sources (2011)

Mayra González Jacques Rieumont François Figuéras P. Quintana

Matrix (chemical analysis)

Titanium oxide

10.1557/jmr.2011.266

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Citations (1)

Influence of Water on the Cationic Polymerisation of 2-Ethenylfuran by Trifluoroacetic Acid in Methylene Dichloride

Macromolecular Chemistry and Physics (2001)

Regino González Jacques Rieumont Pedro Ortiz Rodriguez Leobardo Mendoza Juan Radilla

This paper reports the effect of water on the kinetics and mechanism of the heterogeneous polymerisation of 2-ethenylfuran initiated by trifluoroacetic acid in methylene dichloride solution. The structure of the resin, kinetics and mechanism of reactions depend on the experimental conditions. Furthermore, a change from second to first kinetic order as the monomer concentration decreased is discussed. The polymers obtained were characterized and did not differ from those obtained for the polymerisation of 1(2-furyl)1-ethanol. In a water/methylene dichloride heterogeneous mixture with a volume ratio of ≥ 1/45, the possibility of ionic centers can be ruled out and the polymerisation should be induced by polarised esters. A mechanism of polymerisation was proposed.

Trifluoroacetic acid

Cationic polymerization

Methylene

Methylene blue

10.1002/1521-3935(20010301)202:5<710::aid-macp710>3.0.co;2-o

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Citations (5)