CV Lattes
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Universidade de São Paulo (USP). Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP) (Institutional affiliation from the last research proposal) Birthplace: Brazil
graduation at Bacharelado Em Física from Universidade Federal de Alagoas (1995), master's at Physics from Universidade Federal de Pernambuco (1998) and doctorate at Physics from Universidade Federal de Pernambuco (2002). Has experience in Physics, acting on the following subjects: diagnostico por imagens, fotopletismografia, perfusão sanguínea, ensino and optica. (Source: Lattes Curriculum)
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Capillary Refill Time (CRT) is a technique for determining the quality of an individual's blood perfusion based on the metric of the color change after compression is exerted on a region of the patient's skin. The assessment of blood perfusion is used to diagnose diseases, including viral ones, such as dengue. However, this technique is subjective to the observer's evaluation, which can g…
In this project, we seek an alternative way to measure the blood oxygenation present in the skin (SpO2), in a remote, noninvasive way. Oxygenation is a vital parameter for understanding the functioning of the human organism, being an indicator of several parameters that enable people's health. Conventional ways to estimate tissue oxygenation levels are limited to specific regions of the h…
Photyplethysmography (PPG) is a non-invasive optical method used for clinical measurements of blood volume, cardiac frequency and blood oxygenation. The PPG signal comes from light absorption intensity changes, measured by a photoreceptor, related blood volume variation due to heartbeats. However, despite being a non-invasive method, PPG requires contact to skin what is inconvenient for c…
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