Publications by authors named "Pedro J S Pereira"
Article Synopsis
- * Time-of-flight mass spectra were recorded across a range of collision energies (17.5 to 350 eV), revealing that the branching ratios of different products depend significantly on the collision energy, especially at low to intermediate energies.
- * The study highlights the role of the electron donor in reactions involving temporary negative ions, as evidenced by electronic state spectroscopy showing a significant Feshbach resonance, and is supported by quantum chemical calculations of molecular orbitals with potassium.
We present the modeling efforts on antenna design and frequency selection to monitor brain temperature during prolonged surgery using noninvasive microwave radiometry. A tapered log-spiral antenna design is chosen for its wideband characteristics that allow higher power collection from deep brain. Parametric analysis with the software HFSS is used to optimize antenna performance for deep brain temperature sensing.
View Article and Find Full Text PDFBackground: Brown adipose tissue (BAT) plays an important role in whole body metabolism and could potentially mediate weight gain and insulin sensitivity. Although some imaging techniques allow BAT detection, there are currently no viable methods for continuous acquisition of BAT energy expenditure. We present a non-invasive technique for long term monitoring of BAT metabolism using microwave radiometry.
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