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The influence of thermoplastic masks used in clinical routine for patient immobilization in head and neck radiotherapy treatment on the absorbed skin dose has been investigated at Gustave-Roussy Institute. The measurements were performed in 60Co gamma-rays, 4 and 6MV X-rays and in 8 and 10MeV electron beams. Initially, the measurements were performed with(More)
Protein tyrosine kinase was studied as a possible target of glucocorticoid action in discrete regions of rat brain. It was found that 7 days of corticosterone treatment produced a 20-25% increase in protein tyrosine kinase activity specifically in three monoaminergic nuclei known to be regulated by glucocorticoids in vivo. Thus, corticosterone increased(More)
In this paper, we present a method to analyze different implementations of stream-based applications on heterogeneous multiprocessor systems. We take both resource usage and performance constraints into account. For the first aspect we use an empirical cost model. For the second aspect we build a network of cycle-accurate processor simulators. The(More)
Given the amino acid sequence of a protein, predicting its tertiary structure is known as the protein folding problem. This problem has been widely studied under the HP model in which each amino acid is classified, based on its hydrophobicity, as an H (hydrophobic or non-polar) or a P (hydrophilic or polar). Conformation of a protein in the HP model is(More)
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