Gracieli DALLA NORA, Solange Bosio TEDESCO, Tamara PASTORI, Viviane Dal-Souto FRESCURA^*, Nerinéia Dalfollo RIBEIRO, Haywood Dail LAUGHINGHOUSE IV, Sidinei José LOPES, Maria Teresa SCHIFINO-WITTMANN

BIOCELL, Vol.38, No.1, pp. 33-38, 2014, DOI:10.32604/biocell.2014.38.033

Abstract The aims of this study were to determine the meiotic behavior and to estimate pollen grains viability in bean (Phaseolus vulgaris L.) cultivars. Flower buds were collected during different developmental stages of the Mesoamerican bean cultivars IAPAR 44, Guapo Brilhante, BRS Expedito, BRS Valente, Guateian 6662 and Pérola, and the Andean bean cultivar Iraí, grown in a greenhouse. The meiotic index was determined by anther squashing of material fixed in absolute ethanol-glacial acetic acid (3:1) and stained with acetic orcein. No meiotic abnormalities were observed and the meiotic indices were high for all cultivars, indicating that the mismatch generated during… More >

Marcia Cristina Branciforti^1,*, Caroline Faria Bellani², Carolina Lipparelli Morelli², Alice Ferrand³, Nadia Benkirane-Jessel³, Rosario Elida Suman Bretas²

Journal of Renewable Materials, Vol.7, No.3, pp. 269-277, 2019, DOI:10.32604/jrm.2019.01833

Abstract Although nanocomposites have recently attracted special interest in the tissue engineering area, due to their potential to reinforce scaffolds for hard tissues applications, a number of variables must be set prior to any clinical application. This manuscript addresses the evaluation of thermo-mechanical properties and of cell proliferation of cellulose nanocrystals (CNC), poly(butylene adipate-co-terephthalate) (PBAT), poly(ε-caprolactone) (PCL) films and their bionanocomposites with 2 wt% of CNC obtained by casting technique. Cellulose nanocrystals extracted from Balsa wood by acid hydrolysis were used as a reinforcing phase in PBAT and PCL matrix films. The films and pure CNC at different concentrations were cultured… More >