Bárbara Pereira

ORCID: 0000-0003-2612-3351
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About
Contact & Profiles
Research Areas
  • Marine animal studies overview
  • Mercury impact and mitigation studies
  • Environmental Toxicology and Ecotoxicology
  • Cephalopods and Marine Biology
  • Advancements in Transdermal Drug Delivery
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Nanoparticles: synthesis and applications
  • biodegradable polymer synthesis and properties
  • Advanced Cellulose Research Studies
  • Dermatology and Skin Diseases
  • Ocular Surface and Contact Lens
  • Dyeing and Modifying Textile Fibers

University of Aveiro
2019-2022

The aim of this study is to prepare dissolvable biopolymeric microneedle (MN) patches composed solely sodium carboxymethylcellulose (CMC), a water-soluble cellulose derivative with good film-forming ability, by micromolding technology for the transdermal delivery diclofenac salt (DCF). MNs ≈456 µm in height displayed adequate morphology, thermal stability up 200 °C, and required mechanical strength skin insertion (>0.15 N needle-1 ). Experiments ex vivo abdominal human demonstrate capability...

10.1002/mabi.202200323 article EN cc-by-nc-nd Macromolecular Bioscience 2022-10-03

UV filters are potentially harmful to marine organisms. Given their worldwide dissemination and the scarcity of studies on fish, we evaluated toxicity an organic (oxybenzone) inorganic (titanium dioxide nanoparticles) filter, individually in a binary mixture, turbot (Scophthalmus maximus). Fish were intraperitoneally injected multi-level assessment was carried out 3 7 days later. Oxybenzone titanium nanoparticles induced mild effects turbot, both isolated mixture. Neither oxidative stress...

10.3390/ijms22041567 article EN International Journal of Molecular Sciences 2021-02-04

The global demand for sustainable textile fibers is growing and has led to an increasing research interest from both academia industry find effective solutions. In this research, regenerated wood pulp were functionalized with glycidyltrimethylammonium chloride (GTAC) produce modified cellulose cationic pending groups improved dye uptake. resultant a degree of substitution (DS) between 0.13 0.33 exhibited distinct morphologies contact angles water ranging 65.7° 82.5° the DS values 0.33,...

10.3390/polysaccharides3030036 article EN cc-by Polysaccharides 2022-09-07
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