Results 11 to 20 of about 11,158 (199)
Comparative Biocompatibility of Portland-Based Endodontic Cements Containing Niobium and/or Bismuth Oxides in Rat Subcutaneous Tissue. [PDF]
Biomed Res IntObjectives To evaluate the in vitro cytocompatibility and osteogenic potential and the in vivo biocompatibility of two experimental endodontic cements based on Portland cement combined with either Nb2O5 (F6) and/or bismuth oxide (F7) in a rat subcutaneous implantation model. Methods For the in vitro study, MC3T3‐E1 preosteoblastic cells were exposed to
Andrade RVS +13 more
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Degradation of pigments in Limnospira platensis extracts. [PDF]
J Sci Food AgricAbstract BACKGROUND Limnospira platensis, commonly known as spirulina, holds promise for application as a food ingredient and nutraceutical due to its rich protein and antioxidant content, including chlorophylls, carotenoids and phycocyanin. Despite its potential, the vibrant colour poses a challenge for consumer acceptance, hampering the marketability
Cardoso M, Brazinha C, Portugal CA.
europepmc +2 more sources
Molecules, 2022 Every year, grapevine pruning produces huge amounts of residue, 90% of which are from vine shoots. These are a rich source of natural antioxidants, mostly phenolic compounds, which, when properly extracted, can give rise to added-value products. However,
Clarinda Costa +5 more
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Frontiers in Microbiology, 2022 Bacterial biofilm is a tri-dimensional complex community of cells at different metabolic stages involved in a matrix of self-produced extracellular polymeric substances. Biofilm formation is part of a defense mechanism that allows the bacteria to survive
Cinthia Alves-Barroco +7 more
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A pan-cheloniid turtle from the Middle Miocene of Portugal. [PDF]
Anat Rec (Hoboken)Abstract Currently, there is no information on the fossil record of Pan‐Cheloniidae from the Neogene of the Iberian Peninsula. A well‐preserved partial skeleton attributable to this lineage of turtles, from the Middle Miocene of Portugal, is presented here.
Pérez-García A, Antunes MT.
europepmc +2 more sources
Entre o mar e a terra - Costa da Caparica
, 2021 A costa da Caparica é uma cidade em constante mudança do que é o seu limite territorial. A Arriba Fóssil apresentava-se como alçado do território para o lado do mar. Com a formação da faixa litoral ao nível da água, o limite sofre uma mudança e um avanço, esta Arriba torna- se um segundo plano e, consequentemente este solo pantanoso torna-se propicio à
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Sensors, 2022 The uterine electromyogram, also called electrohysterogram (EHG), is the electrical signal generated by uterine contractile activity. The EHG has been considered an expanding technique for pregnancy monitoring and preterm risk evaluation.
Müfit Şan +6 more
doaj +1 more source
A State-Space Approach for Tracking Doppler Shifts in Radio Inter-Satellite Links
IEEE Access, 2021 The high Doppler effects in satellite communications make the equivalent channels fast varying, which leads to channel estimation difficulties and the need for high channel estimation overheads.
Pedro Pedrosa +4 more
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Coastline evolution of Portuguese low-lying sandy coast in the last 50 years: an integrated approach [PDF]
Earth System Science Data, 2016 Regional/national-scale information on coastline rates of change and trends is extremely valuable, but these studies are scarce. A widely accepted standardized methodology for analysing long-term coastline change has been difficult to achieve, but it is ...
C. Ponte Lira +3 more
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Anticancer activity of rutin and its combination with ionic liquids on renal cells [PDF]
, 2020 The renal cell carcinoma (RCC) is the most common type of kidney cancer. Identifying novel and more effective therapies, while minimizing toxicity, continues to be fundamental in curtailing RCC.
Araújo, Maria Eduarda Machado +6 more
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