An Innovative Embedded Radiometry System for Biomedical Applications: Case Mathematical Model for Measuring Thermal Properties

2016 International Conference on Mechatronics, Electronics and Automotive Engineering (ICMEAE) Pub Date : 2016-11-01 DOI:10.1109/ICMEAE.2016.016

A. Castañeda-Miranda, J. A. Pescador-Rojas, K. Alemán-Ayala, V. Castaño-Meneses

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Abstract

In this paper, a calibrated using a mathematical model for Radiometry Photothermal technique Infrared, considering their use in biomedical applications instrument, experimental technique consists of a medium-power laser, which develops switches by an electro-optical modulator, subsequently incident on the sample, the radiation is collected and focused onto an infrared detector, the signal of interest on the sample is obtained by using a look-in amplifier, thereby obtaining the amplitude and phase of the modulated signal, data are collected in a database by an embedded system using serial communication. The data is analyzed to determine sample parameters in Ag nanoparticles of 10 to 30 nm. on diameter average were obtained by chemical reduction of AgNO3, the solution containing 0.025 μm. Silver nitrate in 250 mL of deionized water was heated to 100°C and stirred mechanically. A citrate solution of 1, 0.5, 0.25, 0.125 and 0.062 % in water was added.

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生物医学应用的创新嵌入式辐射测量系统:测量热性能的案例数学模型

考虑到其在生物医学领域的应用，本文设计了一种利用数学模型进行标定的红外辐射光热技术仪器，实验技术由中等功率激光器组成，该激光器通过电光调制器发展开关，随后入射到样品上，辐射被收集并聚焦到红外探测器上，样品上的感兴趣信号通过内视放大器获得。从而获得调制信号的幅度和相位，数据由嵌入式系统通过串行通信收集到数据库中。分析所得数据，确定10 ~ 30 nm银纳米颗粒的样品参数。在0.025 μm的AgNO3溶液中进行化学还原，得到了直径平均为0.025 μm的晶粒。硝酸银加入250 mL去离子水，加热至100℃，机械搅拌。加入柠檬酸盐浓度分别为1、0.5、0.25、0.125、0.062%的水溶液。

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2016 International Conference on Mechatronics, Electronics and Automotive Engineering (ICMEAE)

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