Centro Universitario FEI: Envíos recientes
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Optimizing treatment condition of coir fiber with ionic liquid and subsequent enzymatic hydrolysis for future bioethanol production
(2018)© 2017, Springer Science+Business Media B.V., part of Springer Nature.In the present study, we pretreated coir fiber with an ionic liquid (IL), n-butylammonium acetate, to expose its cellulose fibers. The best IL pretreatment ... -
Polypropylene/chemically treated coir composites: optimizing coir delignification conditions using central composite design
(2018)© 2017, Springer Science+Business Media B.V., part of Springer Nature.The effect of alkaline treatment of coir on polypropylene/coir composite properties was investigated, using a two-factor central composite design where ... -
DSC characterization of rabbit corneas treated with Stryphnodendron adstringens (Mart.) Coville extracts
(2018)© 2017, Akadémiai Kiadó, Budapest, Hungary.Keratoconus is an eye ectasia that affects the cornea causing distortion of vision. Corneal crosslinking promoted by riboflavin photo-stimulated at 365 nm is a treatment used ... -
Preliminary in vitro and ex vivo evaluation of afzelin, kaempferitrin and pterogynoside action over free radicals and reactive oxygen species
(2015)© 2014 The Pharmaceutical Society of Korea.Biological activities of flavonoids have been extensively reviewed in literature. The biochemical profile of afzelin, kaempferitrin, and pterogynoside acting on reactive oxygen ... -
Synthesis and characterization of new low-cost ILs based on butylammonium cation and application to lignocellulose hydrolysis
(2016)© 2016 Elsevier Ltd. All rights reserved.Fourteen ionic liquids (ILs) were obtained and characterized by nuclear magnetic resonance and infra-red spectroscopy. One of these liquids, n-butylammonium acetate, was used in the ... -
Synthesis of HMF from fructose using Purolite® strong acid catalyst: Comparison between BTR and PBR reactor type for kinetics data acquisition
(2018)© 2018 Elsevier B.V.5-hydroxymethyl-2-furfural (HMF) is an important furanic compound that can be obtained from renewable raw materials. HMF has wide application in the industry, acting as an intermediate in the production ... -
Characterization of Rabbit Corneas Subjected to Stromal Stiffening by the Açaí Extract (Euterpe oleracea)
(2017)© 2016 Taylor & Francis.Purpose: In this study, we characterized rabbit corneas subjected to corneal cross-linking (CXL) with açaí extract compared with a riboflavin photo-stimulated procedure. Materials and Methods: The ... -
Study of acetylsalicylic acid adsorption using molecular sieves
(2015)Molecular sieves can be used as a host matrix to encapsulate several drugs. Here, we studied the adsorption of acetylsalicylic acid (ASA) in HUS-Y, HZSM-5 and silicalite-1 zeolites, as well as in the mesoporous sieve ... -
Polypropylene composites reinforced with untreated and chemically treated coir: Effect of the presence of compatibilizer
(2015)© 2014 Society of Plastics Engineers © 2014 Society of Plastics Engineers.The effect of coir surface modification on the compatibility of polypropylene (PP)/coir fiber (CF) composites, in the presence and absence of ... -
Synthesis and characterization of amphiphilic block copolymers by transesterification for nanoparticle production
(2019)© 2019 Associacao Brasileira de Polimeros. All rights reserved.Poly(ε-caprolactone)-block-poly(ethylene glycol)-poly(ε-caprolactone) (PCL-PEG-PCL, triblock) and Poly(ε-caprolactone)block-(poly(ethylene oxide)−poly(propylene ... -
Conditions for obtaining polyvinyl alcohol/trisodium trimetaphosphate hydrogels as vitreous humor substitute
(2016)© 2015 Wiley Periodicals, Inc.Hydrogels are polymeric materials with numerous medical and biological applications because of their physicochemical properties. In this context, the conditions were defined for obtaining a ... -
Treatment of chromium effluent by adsorption on chitosan activated with ionic liquids
(2017)© 2017, Springer Science+Business Media Dordrecht.This study proposes, verifies, and refines the use of biopolymers treated with two new ionic liquids (ILs) (sec-butylammonium acetate and n-octylammonium acetate), as a ...