Microwave Immobilization
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. Produção de xilo-oligossacarídeos a partir de lignocelulósicos pré-tratados com xilanases imobilizadas e estabilzadas
Endoxylanase, an important industrial enzyme, cleaves ß-1,4-xylanosidic bounds in xylan chains, main plant hemicellulose component. Xylan can be explored to produce many products, among them xylo-oligosaccharides, XOS, made of xylose monomers (2 to 7 units). XOS are considered to be prebiotic ingredients and can improve humans health. XOS are produced by xy
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2012
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2. Estudo da imobilização de rejeitos radioativos em matrizes asfálticas e resíduos elastoméricos utilizando a técnica de microndas / STUDY OF IMMOBILIZATION OF RADIOACTIVE WASTES IN ASPHALTIC MATRICES AND ELASTOMERIC RESIDUES BY USING MICROWAVE TECHNIQUE
In the present work, the technique of microwave heating was used to study the immobilization of low and intermediate activity level radioactive waste, such as spent ion exchange resin used to remove undesirable ions of primary circuits of refrigeration in water refrigerated nuclear reactors, and those used in chemical and radionuclide separation columns in t
Publicado em: 2007
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3. Preparação e caracterização de fases estacionarias para CLAE de poli(metilfenilsiloxano) sobre silica sorvida e imobilizada por radiação microonda / Preparation and characterization of sorbed and microwave immobilized HPLC stationary phases of poly (metilfenilsiloxane) on silica
Em cromatografia líquida de alta eficiência (CLAE), a coluna é um dos principais componentes do sistema cromatográfico, pois é nela que ocorre a separação. Dessa forma, a busca por fases estacionárias (FE) capazes de realizar separações com alta eficiência e bom desempenho tem sido uma constante em muitos laboratórios de pesquisa. Polissiloxanos
Publicado em: 2007
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4. Fases estacionarias de silica e polibutadieno para cromatografia liquida de alta eficiencia
The purpose of this work is the development of a stationary phase (SP) for Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) applications, using polybutadiene (PBD) polymer sorbed and/or immobilized onto the surface of a porous silica support. The procedure of sorption consisted of the deposition of PBD onto the silica, obtaining the sorbed SP
Publicado em: 2004
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5. Preparação de fases estacionarias SiO2(PMOS), imobilizadas por microondas para cromatografia liquida de alta eficiencia
In the preparation of stationary phases (SP), an alternative to minimize the undesirable effects of the silanol groups consists of promoting a better covering of the surface of the silica by the sorption of a polymer onto the support, a sorbed phase being obtained. The stability of these SP is increased by the immobilization process using, as an example, mic
Publicado em: 2001
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6. Determinação multirresiduos de pesticidas em agua por cromatografia liquida de alta eficiencia com enfase em detecção por espectrometria de massas e novos sorventes para extração em fase solida
A multiresidue method for determination of pesticides in water samples was developed. The following pesticides were studied: 2,4-D, linuron, diuron, atrazine, ametryn, tebuthiuron, simazine, dimethoate, carbendazim, carbaryl and 3,4-DCA. Two methods of extraction and preconcentration were compared: liquid-liquid extraction (LLE) and solid-phase extraction (S
Publicado em: 2001