Dynamics of thermophilic campylobacter colonization in broiler flocks reared on reused litter.

Projeto/Plano de Ação: 03.08.06.004

Graphene and polarisable nanoparticles: Looking good together?

Several potentially interesting plasmonic effects can arise from combining graphene with polarisable nanoparticles (NPs), such as metallic or dielectric spheres, related to surface plasmon-polaritons (SPPs) supported by the latter in the terahertz (THz) spectral range. Owing to the electromagnetic coupling between the graphene SPPs and dipole moments of polarisable (nano-) particles deposited on top of it, the optical properties of such a composite system have some new features as compared to its constituents. First, the NP’s polarisability is renormalised due to the electromagnetic back action of SPPs which are excited in graphene when an external propagating electromagnetic wave impinges on the particle. The coupling also results in a considerable enhancement of the THz radiation absorption in graphene, while the reflection drops to zero. This effect can be potentially interesting e.g. for cloaking in a certain THz frequency range.We are grateful to the European Commission for funding through the Graphene Flagship Core 1 Project (№ 696656). Financial support from the Portuguese Foundation for Science and Technology (FCT) is also acknowledged. Additionally, JES acknowledges the support of the Center for Nanostructured Graphene (CNG) at the Technical University of Denmark during 2015. The CNG is sponsored by the Danish National Research Foundation, Project No. DNRF58

Automated HIV screening in the emergency department –earlier diagnosis, improved clinical outcomes

info:eu-repo/semantics/publishedVersio

Frequency of thermophilic Campylobacter in commercial broiler farms in southern Brazil using different culturing techniques and selective media.

Projeto/Plano de Ação: 03.08.06.004

Influence of Extraction Solvent on the Biological Properties of Maritime Pine Bark (Pinus pinaster)

Maritime pine bark (Pinus pinaster Aiton subsp. atlantica) is rich in polyphenols with known bioactive properties which are beneficial for human health. However, biological activities of bark extracts depend on the type of polyphenols extracted and the characteristics of these extractives depend on several factors such as the type of solvents used. The in uence of the extraction solvent on the composition and consequently on the properties of the extracts has been poorly described. Thus, in this study the in uence of the extraction solvent (water, ethanol and ethanol-water (50/50 v/v%)) on the antibacterial and anticancer properties of P. pinaster bark samples were evaluated. LC-DAD-MS profiling of the different extracts was also carried out to study their polyphenol composition. Results show that extraction solvent must be carefully chosen with respect to foreseeing use of bark extracts, since ethanolic and hydroethanolic extracts displayed the greatest antibacterial activity whereas water extracts showed increased anticancer properties. © 2022. International Journal of Food Studies.All Rights Reserve

Investigação de Campylobacter termófilos em frangos de corte ao longo do período de alojamento.

Projeto/Plano de Ação: 03.08.06.004

Hamstring muscles volume of elite football athletes assessed using magnetic resonance imaging

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