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Transparent bionanocomposites with improved properties prepared from acetylated...
Tomé, Liliana C.; Pinto, Ricardo J. B.; Trovatti, Eliane; Freire, Carmen S. R.; Silvestre, Armando J. D.; Neto, Carlos Pascoal; Gandini, AlessandroThe preparation and characterization of biocomposite materials with improved properties based on poly(lactic acid) (PLA) and bacterial cellulose, and, for comparative purposes, vegetal cellulose fibers, both in their pristine form or after acetylation, is reported. The composite materials were obtained through the simple and green mechanical compounding of a PLA matrix and bacterial cellulose nanofibrils (or ve...
Síntese, caracterização e estudos de interação de um análogo da antitoxina CcdA...
Cotrim,Camila Aparecida; Garrido,Saulo Santesso; Trovatti,Eliane; Marchetto,ReinaldoToxin-antitoxin (TA) systems contribute to plasmid stability by a mechanism called post-segregational killing. The ccd was the first TA system to be discovered with CcdB being the toxin and CcdA the antitoxin. CcdA, an 8.3 kDa protein, interacts with CcdB (11.7 kDa), preventing the cytotoxic activity of CcdB on the DNA gyrase. As an approach to understanding this interaction, CcdA41, a polypeptide derived from ...
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