The suspension of tumoral cells from Walker 256 were irradiated with doses of 2.500, 4.500, 5.000, 5.500 and 7.500 rad for determining the attenuation dose. The suspension of inactives tumoral cells were injected in rats for verifying the immunized effect...

The ELETROPAULO Electricity from Sao Paulo S/A covers 74 municipal district of the State with electric power, signifying 26% of the energy consumed in Brazil. This paper presents problems with the aquatic plants proliferation and the methods used for thei...

In December 1987, there was a very high fish mortality in Lake Acu, motivating concern in the regional authorities about the environment. The objective is a multitemporal analysis to evaluate the antropic action effects and some natural factors in the env...

The existing lakes in the fluvial plain of the Mearim River middle-low valley, are significant food producer areas to migratory birds. The objective is to characterize and evaluate the impact of the antropic action in this region, through LANDSAT/TM image...

The associated mutagenesis and the interactions with physical agents in order to potencialize its biological effects are studied. The induction of mutation in bacterias due to photodynamic action of methylene blue is presented as well as the induction of ...

BackgroundBefore coronary evaluation by modern imaging techniques was feasible, premorbid diagnoses of coronary artery anomalies (CAAs) were usually made fortuitously by invasive coronary angiography (ICA). However, this technique is limited by its invasive and projectional nature. Coronary magnetic resonance angiography (CMRA) and multi-slice computed tomography (MSCT) broadened clinical ...

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