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相关概念视频

Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

1.1K
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
1.1K
Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

1.4K
The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
1.4K

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相关实验视频

Updated: Jan 15, 2026

A Multimodal Wide-Field Fourier-Transform Raman Microscope
06:48

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

47

拉曼Bot:多功能的高吞吐量拉曼系统.

Khaled Atia1, Robert Hunter2, Meshach Asare-Werehene3,4,5,6

  • 1Department of Electrical and Computer Engineering, University of Ottawa, Ottawa, Ontario, Canada.

PloS one
|January 13, 2026
PubMed
概括
此摘要是机器生成的。

我们开发了RamanBot,这是一个使用3D打印机技术进行高效的多样本查的自动化Raman光谱系统. 这种低成本的自动化系统为各种应用提供稳定可靠的测量.

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An Integrated Raman Spectroscopy and Mass Spectrometry Platform to Study Single-Cell Drug Uptake, Metabolism, and Effects
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Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
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Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

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相关实验视频

Last Updated: Jan 15, 2026

A Multimodal Wide-Field Fourier-Transform Raman Microscope
06:48

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

47
An Integrated Raman Spectroscopy and Mass Spectrometry Platform to Study Single-Cell Drug Uptake, Metabolism, and Effects
07:37

An Integrated Raman Spectroscopy and Mass Spectrometry Platform to Study Single-Cell Drug Uptake, Metabolism, and Effects

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Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
15:04

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Published on: May 18, 2011

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科学领域:

  • 分析化学 分析化学
  • 频谱学是一种光谱学.
  • 自动化工程自动化工程

背景情况:

  • 拉曼光谱对于化学分析至关重要,但缺乏高效的多样本自动化.
  • 自动选系统发展不足,阻碍了高通量应用.

研究的目的:

  • 开发RamanBot,一个低成本的,自动化的Raman光谱系统,用于高效的多样本查.
  • 将3D打印机的笛卡尔运动系统集成到拉曼光谱自动化中.
  • 证明系统对定量分析和选的能力.

主要方法:

  • 一个新的"拉曼头"被设计并与3D打印机的笛卡尔运动系统集成.
  • 用G码编程样本扫描,用于自动激光激发和信号收集.
  • 通过对乙醇和甲醇的定量分析以及对包装蛋的选来评估系统的精度和稳定性.

主要成果:

  • 拉曼机器人成功执行了自动化的现场样本激发和信号采集.
  • 对乙醇和甲醇的定量分析产生了可靠的测量结果.
  • 商业包装中的六个蛋的自动选在最小的人类干预的情况下实现了.

结论:

  • 拉曼Bot是一个稳定的,可靠的,低成本的自动化拉曼光谱系统.
  • 3D打印机运动系统的集成为拉曼光谱自动化提供了一种新的方法.
  • 开发的系统显示了高通量选应用的巨大潜力.