Výsledky vyhledávání

Akademický článek

Temperature- and pH-sensitive nanohydrogels of poly(N-Isopropylacrylamide) for food packaging applications: modelling the swelling-collapse behaviour.

Autor: Clara Fuciños, Pablo Fuciños, Martín Míguez, Issa Katime, Lorenzo M Pastrana, María L Rúa

Publikováno v: PLoS ONE, Vol 9, Iss 2, p e87190 (2014)

Temperature-sensitive poly(N-isopropylacrylamide) (PNIPA) nanohydrogels were synthesized by nanoemulsion polymerization in water-in-oil systems. Several cross-linking degrees and the incorporation of acrylic acid as comonomer at different concentrati

Externí odkaz: https://doaj.org/article/1bc1fcb0a8fe4495ac03b95da8fb2672

Zobrazit plný text záznamu

Akademický článek

Hydrogels obtained from acrylamide, maleic acid, acrylic acid and octylmonoitaconate: synthesis, absorbent capacity and pH variations in copper sulfate solutions

Autor: Blanca Rojas de Gascue, Marvelis Ramírez, Rocelis Aguilera, Augusto García, José Luis Prin, José Lias, Carlos Torres, Issa Katime

Publikováno v: Revista Técnica de la Facultad de Ingeniería, Vol 30, Iss 1 (2010)

Acrylamide (AAm)/maleic acid (AM), acrylic acid (AAc)/maleic acid (AM) and acrylic acid (AAc)/2 -methylenebutanedioic acid octylesther (MI-8) hydrogels were sinthetysed in presence of amonium persulfate as initiator and N,N”™-methylenebisacrylami

Externí odkaz: https://doaj.org/article/2dfe4afc5b204d18a2055e925982cd4d

Zobrazit plný text záznamu

Akademický článek

Dual Drug Release of Triamterene and Aminophylline from Poly (N-Isopropylacrylamide) Hydrogels

Autor: Emilio Castro, Víctor Mosquera, Issa Katime

Publikováno v: Nanomaterials and Nanotechnology, Vol 2, Iss , p 6 (2012)

We used temperature‐sensitive poly(N‐ isopropylacrylamide) hydrogels as drug delivery systems, so changes in body temperature induced by pathogens could act like external stimuli to activate controlled release of the drugs incorporated in the hyd

Externí odkaz: https://doaj.org/article/60aa375ecf1340dab85b2bce22e785d9

Zobrazit plný text záznamu

pH-sensitive chitosan-folate nanogels crosslinked with biocompatible dicarboxylic acids

Autor: Maite Arteche Pujana, Leyre Pérez-Álvarez, Issa Katime, Luis Carlos Cesteros Iturbe

Publikováno v: European Polymer Journal. 61:215-225

Chitosan nanogels functionalized with folic acid and crosslinked with PEG diacid or tartaric acid have been prepared by inverse microemulsion method for targeted delivery into cancer cells. Nanogels with varying degrees of crosslinking (4.5–10 mol%

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce996781f77845124c39fbd054cdc21c
https://doi.org/10.1016/j.eurpolymj.2014.10.007

Zobrazit plný text záznamu

Models for Oscillating Polymerization: Activation by Product in a System with Flow

Autor: Juan A. Pérez Ortiz, Eduardo Mendizábal, José A. Morales, Issa Katime

Publikováno v: International Journal of Chemical Kinetics. 46:405-417

In this work, four polymerization mechanisms with flow are proposed where sustained oscillation can be present: (1) Polyaddition initiated by radicals produced by initiator decomposition, which is catalyzed by the polymer, first-order termination, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e3719ff5d724024a4b228ee6440414f
https://doi.org/10.1002/kin.20853

Zobrazit plný text záznamu

Plný text ve formátu HTML

Polymeric Nanohydrogels of Poly(N-Isopropylacrylamide) Combined with Others Functionalized Monomers: Synthesis and Characterization

Autor: Lissette Agüero Luztonó, Yuneivy Cepero Donates, Addys González Palomo, Dionisio Zaldivar Silva, Issa Katime, Luis Guillermo Guerrero Ramirez

Publikováno v: Journal of Biomaterials and Nanobiotechnology. :31-38

Nanohydrogels from inverse microemulsion (w/o) polymerization, at 25°C, of N-isopropylacrylamide (NIPA) and functionalized monomers are described. The functionalized monomers were: N-(pyridine-4-ylmethyl) acrylamide (NP4MAM) and tert-butyl 2-acrylam

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2b89fce6af4244b9c82b74c83096057
https://doi.org/10.4236/jbnb.2014.51005

Zobrazit plný text záznamu

Water soluble folate-chitosan nanogels crosslinked by genipin

Autor: Leyre Pérez-Álvarez, Issa Katime, L. Carlos Cesteros Iturbe, Maite Arteche Pujana

Publikováno v: Carbohydrate Polymers. 101:113-120

Folate-chitosan conjugates were prepared by a concurrent functionalization and crosslinking reaction with the natural crosslinker genipin. Genipin molecule was employed simultaneously as crosslinker agent and spacer molecule in order to allow the fun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d25cbc47c1fb73236b0ef04df2e461e
https://doi.org/10.1016/j.carbpol.2013.09.014

Zobrazit plný text záznamu

Chemical–physical behavior of hydrogels of poly(vinyl alcohol) and poly(ethylene glycol)

Autor: José Luis Gadea, Luis C. Cesteros, Issa Katime

Publikováno v: European Polymer Journal. 49:3582-3589

New hydrogels based on polyethylene glycol (PEG) and poly(vinyl alcohol) (PVA) of different degrees of hydrolysis were synthesized. To form the network the PEG was modified at their ends with acyl chloride groups to be used as the crosslinking agent.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::104f68f3655b72cb8016c9242e873ba9
https://doi.org/10.1016/j.eurpolymj.2013.07.027

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání