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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
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一个设备在芯片上的解决方案,用于实时扩散相关性光谱使用FPGA.

Christopher H Moore1, Ulas Sunar1, Wei Lin1

  • 1Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794, USA.

Biosensors
|August 28, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了一种用于扩散相关谱 (DCS) 的新型设备上芯片解决方案,该解决方案将计算组件集成到现场可编程网关阵列 (FPGA) 芯片上. 这项创新能够实时计算血液流量指数 (BFI),为便携式DCS系统铺平了道路.

关键词:
在FPGA中,FPGA是指FPGA.在FPGA的相关系数.设备在芯片上的设备扩散相关性光谱学扩散相关性光谱学

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科学领域:

  • 生物医学光学 生物医学光学
  • 医疗器械 医疗器械 医疗器械
  • 信号处理 信号处理

背景情况:

  • 扩散相关谱法 (DCS) 允许对深层组织输血进行非侵入性评估.
  • 传统DCS的高计算需求阻碍了实时应用.
  • 由于计算硬件,现有的DCS系统往往是庞大而昂贵的.

研究的目的:

  • 为DCS开发一个紧的,集成的设备在芯片上的解决方案.
  • 为了能够实时计算血液流量指数 (BFI).
  • 为了降低DCS计算组件的成本和足迹.

主要方法:

  • 在现场可编程网关阵列 (FPGA) 芯片上实现一种新的DCS系统.
  • 集成多tau相关器用于自相关函数计算.
  • 包括一个DCS分析器,通过曲线拟合实时BFI导出.
  • 使用幻影和袖口缺血研究进行评估,与实验室标准的DCS系统进行比较.

主要成果:

  • 基于FPGA的DCS系统实现了6000 BFI/s的计算速率.
  • 对于光相关性和BFI,FPGA DCS和参考DCS之间的高相关性.
  • 证明了50 Hz的测量速率,能够解决脉动性血流.
  • 在幻影和袖口缺血研究中成功验证.

结论:

  • 集成的FPGA DCS系统提供准确和实时的血流监测.
  • 这种设备在芯片上的解决方案显著降低了计算成本和系统大小.
  • 能够为更广泛的临床和研究应用开发便携,具有成本效益和实时的DCS系统.