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Remote sensing of vegetation and soil moisture content in Atlantic humid mounta...

Monteiro, Antonio; Arenas-Castro, Salvador; Punalekar, Suvarna M.; Cunha, Mário; Mendes, Inês; Giamberini, Mariasilvia; Marques da Costa, Eduarda

The satellite monitoring of vegetation moisture content (VMC) and soil moisture content (SMC) in Southern European Atlantic mountains remains poorly understood but is a fundamental tool to better manage landscape moisture dynamics under climate change. In the Atlantic humid mountains of Portugal, we investigated an empirical model incorporating satellite (Sentinel-1 radar, S1; Sentinel-2 optical, S2) and ancill...


Numerical and experimental investigation of thermal regimes of thermionic catho...

Cunha, M. D.; Sargsyan, M. A.; Gadzhiev, M. Kh; Tereshonok, D. V .; Benilov, M. S .; Benilov, Mikhail; Cunha, Mário

The modelling method based on decoupling the simulation of the cathodic part of the arc (the cathode and the near-cathode non-equilibrium plasma layer) from the simulation of the arc on the whole has been extended to cathodes of arc plasma torches, consisting of an insert with a conical tip, made of pure or doped tungsten, and a surrounding water-cooled copper holder. The method was validated by comparison with...






The phenolic composition of hops (Humulus lupulus L.) was highly influenced by ...

Afonso, Sandra; Dias, Maria Inês; Ferreira, Isabel C.F.R.; Arrobas, Margarida; Cunha, Mário; Barros, Lillian; Rodrigues, M.A.

The interest in expanding the production of hops outside the traditional cultivation regions, mainly motivated by the growth of the craft brewery business, justifies the intensification of studies into its adaptation to local growing conditions. In this study, four field trials were undertaken on a twenty-year-old hop garden, over periods of up to three years to assess the effect of important agro-environmental...

Date: 2022   |   Origin: Biblioteca Digital do IPB

Characterization of the Human Papillomavirus 16 Oncogenes in K14HPV16 Mice: Sub...

Cochicho, Daniela; Nunes, Alexandra; Gomes, João Paulo; Martins, Luís; Cunha, Mário; Medeiros-Fonseca, Beatriz; Oliveira, Paula

The study of ()-induced carcinogenesis uses multiple in vivo mouse models, one of which relies on the cytokeratin 14 gene promoter to drive the expression of all HPV early oncogenes. This study aimed to determine the HPV16 variant and sublineage present in the K14HPV16 mouse model. This information can be considered of great importance to further enhance this K14HPV16 model as an essential research tool and opt...


Long-Term Evolution of SARS-CoV-2 in an Immunocompromised Patient with Non-Hodg...

Borges, Vítor; Isidro, Joana; Cunha, Mário; Cochicho, Daniela; Martins, Luís; Banha, Luís; Figueiredo, Margarida; Rebelo, Leonor; Trindade, Maria Céu

Recent studies have shown that persistent SARS-CoV-2 infections in immunocompromised patients can trigger the accumulation of an unusual high number of mutations with potential relevance at both biological and epidemiological levels. Here, we report a case of an immunocompromised patient (non-Hodgkin lymphoma patient under immunosuppressive therapy) with a persistent SARS-CoV-2 infection (marked by intermittent...


Collaborative study Brazil-Portugal: validation of HPV lyophilized samples

Menezes, Maria Elizabeth; Tourinho, Frederico; Abol Corrêa, José; Faria, Ana Paula; Cunha, Mário

HPV is an important virus that is responsible for more than 99% of cancer in women. Preparation and validation of lyophilized samples to use as a control of molecular biology tests for HPV is very important. There are several techiniques to performer molecular test to detecte HPV however, it is necessary that their is a sample control whith can be used independent of methodology. Validation of lyophilized sampl...


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