Listar Artículos de Periódicos por tema "Quitosana"

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    • Atividade antimicrobiana da quitosana associada a óleos essenciais na aplicação biomédica : uma revisão integrativa 

      Brixner, Betina; Silva, Chana de Medeiros da; Pollo, Liliane Damaris; Renner, Jane Dagmar Pollo (2022) [Artículo de periódico]
      Atualmente o uso de biomateriais voltados à área da saúde está em constante evolução. Sabe-se que o desenvolvimento de materiais utilizando a quitosana, um polímero biocompatível e com ação antimicrobiana, associados aos ...

    • Chitosan and gum arabic nanoparticles for heavy metal adsorption 

      Abreu, Flávia Oliveira Monteiro da Silva; Silva, Nilvan Alves da; Sipauba, Mateus de Sousa; Pires, Tamara Fernandes Marques; Bomfim, Tatiana Araújo; Monteiro Junior, Oyrton Azevedo de Castro; Forte, Maria Madalena de Camargo (2018) [Artículo de periódico]
      Chitosan (CT) is a polysaccharide with the ability to adsorb metals on its surface. In this work, CT-based nanoparticles (NPs) are produced by complex formation with gum arabic (GA) to increase their adsorbent potential ...

    • Chitosan gel containing polymeric nanocapsules : a new formulation for vaginal drug delivery 

      Frank, Luiza Abrahão; Sandri, Giuseppina; D'Autilia, Francesca; Contri, Renata Vidor; Bonferoni, Maria Cristina; Caramella, Carla; Frank, Alejandro Germán; Pohlmann, Adriana Raffin; Guterres, Silvia Stanisçuaski (2014) [Artículo de periódico]
      The vaginal route of administration is an alternative for several treatments for either local or systemic pharmacological effects. However, the permanence of a drug in this route represents a challenge for formulation ...

    • Chitosan nanocomposites with graphene-based filler 

      Maraschin, Thuany Garcia; Correa, Roberto da Silva; Rodrigues, Luiz Frederico; Balzaretti, Naira Maria; Malmonge, José Antonio; Galland, Griselda Ligia Barrera; Basso, Nara Regina de Souza (2019) [Artículo de periódico]
      This study evaluates the properties of chitosan (CS) membranes modified with different percentages (0.5%, 3%, and 5% w/w) of a graphene-based material. Graphene oxide (GO) and reduced graphene oxide (RGO) were obtained by ...

    • Distilled pyroligneous liquor obtained from Eucalyptus grandis and chitosan : physicochemical properties of the solution and films 

      Porto, Fabiane Grecco da Silva; Campos, Angela Diniz; Garcia, Irene Teresinha Santos (2019) [Artículo de periódico]
      The pyroligneous liquor is a product obtained during the production of charcoal, with well-known antimicrobial activity. In this work, we characterized the physical chemistry properties of a formulation composed of distilled ...

    • Effect of chitosan coatings on the quality of persimmon under commercial storage conditions 

      Rios, Alessandro de Oliveira; Bohòrquez, Nathália Valderrama (2017) [Artículo de periódico]
      The chitosan coating effectiveness for enhancing the shelf life and retaining the carotenoids content of persimmons under commercial storage was investigated. Persimmons (Diospyros kaki L.) var. “Kyoto” were disinfected, ...

    • Effect of support matrix and crosslinking agents on nutritional properties of orange juice during enzyme clarification : a comparative study 

      Silva, Pâmela Medeiros da; Flores, Elí Emanuel Esparza; Virgili, Anike Hübner; Menezes, Eliana Weber de; Fernandez-Lafuente, Roberto; Dal Magro, Lucas; Rodrigues, Rafael Costa (2023) [Artículo de periódico]
      This study investigated the impact of a support matrix and active group on the support to the nutritional properties of orange juice after juice clarification. Pectinase was immobilized on chitosan and aminated silica ...

    • High performance biocatalyst based on β-D-galactosidase immobilized on mesoporous silica/titania/chitosan material 

      Ricardi, Natália Carminatti; Arenas, Leliz Ticona; Benvenutti, Edilson Valmir; Hinrichs, Ruth; Flores, Elí Emanuel Esparza; Hertz, Plinho Francisco; Costa, Tania Maria Haas (2021) [Artículo de periódico]
      A new support for the immobilization of β-D-galactosidase from Kluyveromyces lactis was developed, consisting of mesoporous silica/titania with a chitosan coating. This support presents a high available surface area and ...

    • The use of nanoencapsulation to decrease human skin irritation caused by capsaicinoids 

      Contri, Renata Vidor; Frank, Luiza Abrahão; Kaiser, Moacir; Pohlmann, Adriana Raffin; Guterres, Silvia Stanisçuaski (2014) [Artículo de periódico]
      Capsaicin, a topical analgesic used in the treatment of chronic pain, has irritant properties that frequently interrupt its use. In this work, the effect of nanoencapsulation of the main capsaicinoids (capsaicin and ...