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相关概念视频

UV–Vis Spectrometers01:14

UV–Vis Spectrometers

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The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
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Pulse Oximetry01:24

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Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
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Spectrophotometry: Introduction01:16

Spectrophotometry: Introduction

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Spectrophotometry is the quantitative measurement of the absorption, reflection, diffraction, or transmission of electromagnetic radiation through a material as a function of the intensity and wavelength of the radiation. A spectrophotometer is a device used to measure the change in the radiation intensity caused by its interaction with the material.
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...
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Updated: Jan 9, 2026

How to Administer Near-Infrared Spectroscopy in Critically ill Neonates, Infants, and Children
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可穿戴的多谱传感器用于监测新生儿黄.

Fernando Crivellaro1, Ana Isabel Sousa Pedroso1, Anselmo Costa2

  • 1Department of Physics, Faculty of Science and Technology, NOVA University of Lisbon, Caparica Campus, 2829-516 Caparica, Portugal.

Sensors (Basel, Switzerland)
|December 11, 2025
PubMed
概括

一种新的连续,非侵入性设备可以远程监测新生儿黄 (高胆红素水平). 这项创新有助于早期检测和治疗新生儿高 bilirubinemia,改善婴儿健康结果.

关键词:
胆氨酸是什么意思?胆氨酸是什么意思黄是什么 黄是什么 黄是什么多光谱传感器传感器新生儿新生儿的新生儿这是一种非侵入性的非侵入性治疗方法.这是一个光学传感器.可以穿戴的传感器.

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科学领域:

  • 新生儿医学 新生儿医学
  • 生物医学工程 生物医学工程
  • 医疗器械开发 医疗器械开发

背景情况:

  • 新生儿的不成熟系统增加了对环境因素的脆弱性.
  • 新生儿黄是由高的未结合胆红素引起的,具有神经毒性风险.
  • 目前的穿皮胆红素计 (TcB) 装置是医院固定的,限制了持续监测.

研究的目的:

  • 为新生儿开发一种持续的,非侵入性的胆红素监测装置.
  • 为了实现新生儿黄的远程评估,无论是在医院内外.

主要方法:

  • 开发了一种使用可见范围内的迷你光谱仪的新型非侵入性设备.
  • 使用幻影进行了设备校准.
  • 在体外实验中,将设备的性能与黄金标准胆红素计进行了比较.

主要成果:

  • 与黄金标准相比,该设备显示出临床上可接受的偏差为1 mg/dL.
  • 实验探讨了新生儿胆红素变化的实际范围.
  • 开发的设备显示了远程监测新生儿黄的潜力.

结论:

  • 持续胆红素监测装置为治疗新生儿黄提供了一个有前途的解决方案.
  • 这项技术促进了远程和持续的评估,改善了可访问性和早期检测高白血症.
  • 该设备的非侵入性和医院外使用潜力代表了新生儿护理的重大进步.