Browsing by Subject "Cellulose"
Now showing items 1-10 of 10
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Bacterial Cellulose as Laryngeal Medialization Material: An Experimental Study
(Elsevier B.V., 2011-11-01)Hypothesis. the use of a material made of bacterial cellulose with the aim of obtaining vocal fold medialization has not hitherto been fully investigated. Although the material has been tested in other animal models, the ...
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Biocompatibility of the bacterial cellulose hydrogel in subcutaneous tissue of rabbits
(Acta Cirurgica Brasileira, 2015-04-01)PURPOSE: To evaluate the biocompatibility and local sensibility reaction to bacterial cellulose hydrogel (0.8%) implanted in subcutaneous tissue of rabbits.METHODS: Fifteen New Zeland rabbits were randomly allocated into ...
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Dietary cellulose has no effect on the regeneration of hemoglobin in growing rats with iron deficiency anemia
(Associação Brasileira de Divulgação Científica, 2003-06-01)The objective of the present study was to determine the effect of cellulose on intestinal iron absorption in rats during recovery from iron deficiency anemia. Twenty-one-day-old male Wistar-EPM rats were fed an iron-free ...
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Estudo de filmes híbridos de celulose e polímeros sintéticos para imobilização de nanopartículas de prata
(Universidade Federal de São Paulo, 2018-06-27)Microcrystalline cellulose and hydropropylmethylcellulose (HPMC) films, added with two synthetic polymers, polyvinylalcohol (PVA) and polyvinylpyrrolidone (PVP), were produced on the present study. The aim of PVA and PVP ...
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Fetoscopic single-layer repair of open spina bifida using a cellulose patch: preliminary clinical experience
(Informa Healthcare, 2014-11-01)Objective: To report our preliminary clinical experience in the antenatal correction of open spina bifida (OSB) using a fetoscopic approach and a simplified closure technique.Methods: Four fetuses with lumbar-sacral defects ...
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Identificação e verificação de atividade celulolítica de microrganismos isolados de compostagem
(Universidade Federal de São Paulo, 2016-02-29)The composting process is an effective and economical way of treating organic waste, mainly by microbial decomposition. The Fundação Parque Zoológico de São Paulo (FPZSP) has a compost production unit (UPCO) that takes ...
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Nanopartículas de dióxido de titânio e prata imobilizadas em filmes de celulose não modificada: preparação, caracterização e aplicação na degradação de poluentes
(Universidade Federal de São Paulo, 2022-08-05)Visando o emprego desses nanomateriais como nanocatalisadores heterogêneos em processos que envolvam a degradação de poluentes em meios aquosos, a imobilização dessas nanopartículas em filmes de celulose, o biopolímero ...
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Preparação de filmes de celulose contendo nanopartículas de prata produzidas em meio de líquido iônico
(Universidade Federal de São Paulo, 2018-05-10)The development of methods that use biopolymers as a support for the immobilization of metallic nanoparticles is of growing interest. Among biopolymers, cellulose is the most indicated because it is natural, abundant and ...
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Preparação e avaliação de membranas de celulose com propriedades condutoras e microbicidas
(Universidade Federal de São Paulo (UNIFESP), 2020-06-02)There is a growing interest in developing methods that allow the immobilization of different types of materials (polymers and nanomaterials) in biopolymers. Among them, cellulose (CEL) is of the most indicated because it ...
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Preparação e avaliação de propriedades de materiais híbridos de celulose com polianilina e polióxido de etileno
(Universidade Federal de São Paulo, 2017-12-11)In recent years, there has been a growing interest in the development of methods which employ biopolymers as support to immobilize other polymeric materials. Among the biopolymers, cellulose is one of the most used due to ...
