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30 September 2024 How non-linear optics can help in the prevention of atherosclerosis
Antônio M. Figueiredo Neto
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Proceedings Volume PC13121, Liquid Crystals XXVIII; PC131210Q (2024) https://doi.org/10.1117/12.3028045
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States
Abstract
Cardiovascular diseases are the leading cause of deaths in the modern world. It is due to a process where the human immunological system acts against modified (mo) Low-Density Lipoproteins (LDL) present in the blood stream. These modifications are, mainly, due to oxidation of the LDL by free radicals present in the blood. Identify the amount of moLDL particles in the blood is of fundamental importance to physicians to determine the patient therapy. The Non-Linear Optics in the thermal regime was shown to identify, by the amplitude of the thermal lens formed during the interaction of the laser light with LDL solutions, the degree of modification of the particles. The technique employed to perform this analysis is the Z-Scan, in the thermal regime. In the talk, details of the technique employed to analyze the blood from different donors, with different pathologies will be presented.
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Antônio M. Figueiredo Neto "How non-linear optics can help in the prevention of atherosclerosis", Proc. SPIE PC13121, Liquid Crystals XXVIII, PC131210Q (30 September 2024); https://doi.org/10.1117/12.3028045
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KEYWORDS
Particles
Atherosclerosis
Nonlinear optics
Dynamic light scattering
Oxidation
Physics
Physical phenomena
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