Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Adriano M. G. Pacheco"'
Autor:
Adriano M. G. Pacheco, Ana Sofia Almeida, Hubert Th. Wolterbeek, Catarina Galinha, Jan Kučera, Marek Fikrle, Maria do Carmo Freitas, Benvindo Maçãs, José Coutinho
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 304:139-143
This work focuses on the ability of bread and durum wheat to accumulate selenium (Se) via a soil-addition procedure at sowing time. Total Se in mature-grain samples was determined by neutron activation analysis (cyclic and radiochemical). Results sho
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 297:221-226
Cereals are by far the most significant agricultural crops, not only due to the sheer amount of their gross-tonnage production and prevalence in human diets worldwide, but also as food vehicles of important items for human nutrition and wellness at l
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 295:489-496
Samples of Flavoparmelia caperata (L.) Hale thalli, from a clean area in northern Portugal (Baiao), were transplanted into exposure locations at the western Atlantic coast (north, center and south) impacted by urban-industrial emissions and meteorolo
Autor:
Catarina Galinha, Hossain M. Anawar, Adriano M. G. Pacheco, H. M. Dung, I. Dionísio, Nuno Canha, Maria do Carmo Duarte Freitas
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 294:377-381
Native plant species, lichens and tailings, sampled from a copper–sulphide mining area located in southern–eastern Portugal, were analysed by neutron activation analysis (INAA) for determination of rare earth elements (REEs). Values of ΣREEs and
Autor:
Maria do Carmo Duarte Freitas, Benvindo Maçãs, José Coutinho, Ana Sofia Almeida, Adriano M. G. Pacheco, Hossain M. Anawar, Marina Almeida-Silva, Catarina Galinha
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The deficiency of essential micronutrients and excess of toxic metals in cereals, an important food items for human nutrition, can cause public health risk. Therefore, before their consumption and adoption of soil supplementation, concentrations of e
Publikováno v:
Proceedings in Radiochemistry. 1:377-381
In this work, superficial waters of two small rivers flowing in the São Domingos' abandoned mining area were analyzed in order to infer on soil-water transfer of the elements determined. Instrumental neutron activation analysis was used for elementa
Autor:
Adriano M. G. Pacheco, Catarina Galinha, Ana Sofia Almeida, Maria do Carmo Duarte Freitas, Benvindo Maçãs, José Coutinho
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 291:231-235
Selenium is an essential micronutrient for humans and animals, yet it is deficient in at least one billion people worldwide. Plants and plant-derived products transfer the soil-uptaken selenium to humans; therefore, the cultivation of plants enriched
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 622:456-459
The location of Azores turns it into an ideal platform for tracking the long-range transport of air masses from surrounding continents over the North Atlantic Ocean. Aerosol samples (PM 10 ) have been collected using an aethalometer located at PICO-N
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 286:583-589
An extensive investigation of elemental levels in cereals and their cultivation soils has been going on across the main production areas of mainland Portugal, with a view to an eventual biofortification of major cultivars through agronomic practices.
Autor:
C. Repolho, Susana Marta Almeida, I. Dionísio, Maria do Carmo Freitas, Célia Alves, H. M. Dung, Adriano M. G. Pacheco, Casimiro Pio, Alexandre Caseiro, D. G. Beasley
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 282:15-20
The number of children reporting rhinitis by month is compared with air pollutant concentrations in Lisbon, where they live and attend school. INAA, ionic exchange chromatography and data accessed through the internet were statistically processed wit