12 documents found, page 1 of 2

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Modified cotton textile with hap-agnps nanocomposite aiming antimicrobial prope...

Ferreira, Ester Fernanda; Eiras, Carla; Sousa, Jefferson Mendes de; Zille, Andrea; Souto, A. Pedro

The present study aimed the functionalisation of a textile with a nanocomposite based on hydroxyapatite (Hap) and silver nanoparticles (AgNPs) for the application in hospital gowns. The result confirms the inclusion of the AgNPs in the Hap structure and the successful immobilization in the cotton fabric structure. The antimicrobial tests confirm the enhanced action of the nanocomposite against Gram-positive and...


Layer-by-layer films containing peptides of the Cry1Ab16 toxin from Bacillus th...

Plácido, Alexandra; Farias, Emanuel Airton de Oliveira; Marani, Mariela M.; Vasconcelos, Andreanne G.; Mafud, Ana C.; Mascarenhas, Yvonne P.

Cry1Ab16 is a toxin of crystalline insecticidal proteins that has been widely used in genetically modified organisms (GMOs) to gain resistance to pests. For the first time, in this study, peptides derived fromthe immunogenic Cry1Ab16 toxin (from Bacillus thuringiensis) were immobilized as layer-by-layer (LbL) films. Given the concern about food and environmental safety, a peptide with immunogenic potential, PcL...


Nanocompósitos eletroativos de poli-o-metoxianilina e polissacarídeos naturais

Eiras, Carla; Passos, Ionara Nayana Gomes; Brito, Ana Cristina Facundo de; Santos Júnior, José Ribeiro dos; Zucolotto, Valtencir

Submitted by Guilherme Lemeszenski (guilherme@nead.unesp.br) on 2013-08-22T18:48:39Z No. of bitstreams: 1 S0100-40422007000500020.pdf: 1111238 bytes, checksum: d13e59b338d5eca0f9333a76796ad0d2 (MD5); Made available in DSpace on 2013-08-22T18:48:39Z (GMT). No. of bitstreams: 1 S0100-40422007000500020.pdf: 1111238 bytes, checksum: d13e59b338d5eca0f9333a76796ad0d2 (MD5) Previous issue date: 2007-10-01; Made availa...

Date: 2014   |   Origin: Oasisbr




Study of antimicrobial activity and atomic force microscopy imaging of the acti...

Campos, Débora A.; Ribeiro, Alexandra C.; Costa, Eduardo M.; Fernandes, João C.; Tavaria, Freni K.; Araruna, Felipe Bastos; Eiras, Carla; Eaton, Peter

The aim of this work was to evaluate the antimicrobial potential of two grades of cashew tree gum (crude and purified) against eight microorganisms and to analyze the mechanism of cashew tree gum antimicrobial action via atomic force microscopy (AFM) imaging. The results indicated strong antimicrobial properties of pure cashew tree gum against all tested microorganisms, except for Candida albicans and Lactobaci...





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