39 documents found, page 1 of 4
Piezoelectric PVDF nanoparticles for enhanced antimicrobial activity via mechan...
Fernandes, Mariana Isabel Pires; Moreira, Joana; Fernandes, Marta Susana Machado; Zille, Andrea; Silva, C.; Silva, Filipe Samuel; Fernandes, Margarida MThe alarming rise of antimicrobial resistance is a public health issue, driven by the excessive and improper use of antibiotics, which are becoming less effective against an increasing number of microorganisms. There is an urgent need to find alternative antimicrobial strategies that can bypass bacterial resistance mechanisms. Using physical stimuli to sensitize bacteria to antimicrobial action is one step towa...
Eucalyptus-enhanced cotton: pretreatment and bioactive coating strategies for t...
Oliveira, Cláudia S.; Costa, Ana; Mendanha, Daniel; Macedo, Tiago; Moreira, Joana; Oliveira, Juliana A. S. A.; Bernardes, Beatriz G.; Silva, Carla J.Eucalyptus essential oils and extracts are widely recognized for their antimicrobial, antioxidant, insecticidal, anti-inflammatory, and aromatizing properties, making them highly valuable across pharmaceuticals, cosmetics, and textiles. For the design of biomedical textiles, cotton is favored for its mechanical strength, porosity, and biodegradability, but its vulnerability to microbial action limits its applic...
Alkaline extraction of phenolic compounds from Eucalyptus leaves: influence on ...
Afonso, Tiago Barros; Bonifácio-Lopes, Teresa; Costa, Eduardo; Macedo, Tiago; Moreira, Joana; Oliveira, Juliana; Pintado, ManuelaBackground: The valorization of agro-industrial by-products is a strategic approach to reducing biomass waste while advancing circular bioeconomy practices. Eucalyptus leaves, an abundant residue from the forestry and pulp industries, are particularly rich in phenolic compounds with well- known antioxidant and antimicrobial activities. These bioactivities highlight the potential of eucalyptus extracts for susta...
Alkaline extraction of phenolic compounds from Eucalyptus leaves: influence on ...
Afonso, Tiago B.; Bonifácio-Lopes, Teresa; Costa, Eduardo; Macedo, Tiago; Moreira, Joana; Oliveira, Juliana; Pintado, ManuelaIntroduction: The valorization of agro-industrial by-products is a strategic approach to reducing biomass waste while advancing circular bioeconomy practices. Eucalyptus leaves, an abundant residue from the forestry and pulp industries, are particularly rich in phenolic compounds with well-known antioxidant and antimicrobial activities. These bioactivities highlight the potential of eucalyptus extracts for sust...
Untangling sex differences in glia-to-neuron communication in chronic alcohol e...
Pacheco, Raquel; Canedo, Teresa; Rodrigues, Ana Margarida; Moreira, Joana; Relvas, João B.; Vieira, Cristina P.; Socodato, Renato; Sumavielle, TeresaExcessive alcohol consumption is global health challenge with profound neurobiological consequences. Our laboratory has shown that alcohol exposure induces reactive astrocytic changes, affecting gene expression, activity, and proliferation, while also altering microglial morphology and immune responses [1]. This study aims to characterise sex-specific effects of chronic alcohol consumption on the prefrontal cor...
Using Satire and Humor as a Marketing Strategy
Moreira, JoanaSome say that laughter is the best medicine, but does this also apply to marketing? In a world where information overload is a problem, the use of satire and humor as a marketing strategy has become a growing trend as an attempt to stand out from the crowd. Numerous brands have been positioning themselves in this direction and it is therefore essential to understand this strategy. This article will analyze the ...
Multidisciplinary Approach To Acute Mesenteric Ischemia – A Success Case
Nogueira, Oriana; Baião, José; Duque, Mariana; Oliveira, Vânia; Antunes, Luís; Moreira, Joana; Oliveira, Pedro; Lázaro, André Introduction: Acute Mesenteric Ischemia (AMI) is a surgical emergency that results from interruption of mesenteric vascular flow. With a multifactorial etiology, it is often associated with embolic occlusion of the superior mesenteric artery (SMA). Late diagnosis and patient co-morbidities usually lead to high surgical morbidity and mortality rates. Case Report: We describe a case of a 57-year-old man, ad...
Deciphering neuroimmune interactions in alcohol intake in mouse model of interm...
Pacheco, Raquel; Canedo, Teresa; Rodrigues, Ana M.; Moreira, Joana; Relvas, João B.; Socodato, Renato; Summavielle, Teresa; Summavielle, TeresaExcessive alcohol consumption continues to pose a significant global health challenge, with detrimental effects on millions of individuals. Our laboratory has shown that alcohol exposure triggers reactive changes in astrocytes, including alterations in gene expression, activity, and proliferation, while also affecting microglial morphology and immune responses. We are to characterizing the effects of chronic al...
Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) blends with poly(caprolactone) and...
Tubio, Carmen R.; Valle, Xabier; Carvalho, Estela; Moreira, Joana; Costa, Pedro Filipe Ribeiro; Correia, Daniela M.; Lanceros-Mendez, S.Poly(hydroxybutyrate-co-hidroxyvalerate) (PHBV) is a biodegradable polymer, which is a potential substitute for plastics made from fossil resources. Due to its practical interest in the field of tissue engineering, packaging, sensors, and electronic devices, the demand for PHBV with specific thermal, electrical, as well as mechanical requirements is growing. In order to improve these properties, we have develop...
Magnetically responsive chitosan-pectin films incorporating Fe3O4 nanoparticles...
Zarandona, Iratxe; Correia, Daniela M.; Moreira, Joana; Costa, Carlos Miguel Silva; Lanceros-Méndez, S.; Guerrero, Pedro; De la Caba, KoroChitosan-pectin films with iron oxide (Fe3O4) magnetic nanoparticles were prepared by solution casting in order to produce biopolymer based magnetically active materials. Infrared (FTIR) spectra indicated physical interactions between the matrix and nanoparticles, corroborated by differential scanning calorimetry (DSC) results. In addition, thermal characterization suggested that the interactions between chitos...