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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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.
Fluorescence and Phosphorescence: Instrumentation01:25

Fluorescence and Phosphorescence: Instrumentation

Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
Atomic Absorption Spectroscopy: Instrumentation01:22

Atomic Absorption Spectroscopy: Instrumentation

An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
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Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

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...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle01:19

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
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Laser-Induced Fluorescence Emission (L.I.F.E.) as Novel Non-Invasive Tool for In-Situ Measurements of Biomarkers in Cryospheric Habitats
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A LabVIEW-Based Virtual Instrument System for Laser-Induced Fluorescence Spectroscopy.

Qijun Wu1, Lufei Wang, Lily Zu

  • 1Department of Chemistry, Beijing Normal University, Beijing 100875, China.

Journal of Automated Methods & Management in Chemistry
|October 21, 2011
PubMed
Summary
This summary is machine-generated.

A new Virtual Instrument (VI) system using LabVIEW 2009 enables synchronized control and real-time data acquisition for laser-induced fluorescence experiments, enhancing precision and efficiency.

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Area of Science:

  • Spectroscopy
  • Analytical Chemistry
  • Instrumentation

Background:

  • Laser-induced fluorescence (LIF) experiments require precise control of equipment and real-time data acquisition.
  • Traditional methods can be cumbersome, limiting experimental efficiency and accuracy.
  • Developing integrated systems is crucial for advancing spectroscopic analysis.

Purpose of the Study:

  • To design and implement a Virtual Instrument (VI) system for automated laser-induced fluorescence experiments.
  • To achieve synchronous equipment control and real-time data acquisition using LabVIEW 2009.
  • To enhance the efficiency and precision of spectroscopic data collection and analysis.

Main Methods:

  • Development of a Virtual Instrument (VI) system utilizing LabVIEW 2009 software.
  • Integration of hardware components communicating via GPIB, USB, RS232, and parallel ports.
  • Implementation of automated sequences for data acquisition, display, saving, analysis, and printing.

Main Results:

  • Successful synchronous control of experimental equipment and real-time fluorescence data acquisition.
  • Demonstrated capability for automated data processing, including display, saving, analysis, and printing.
  • Obtained excitation and dispersion spectra of α-methylnaphthalene using the developed VI system.

Conclusions:

  • The developed VI system offers a powerful and efficient platform for laser-induced fluorescence experiments.
  • This integrated approach increases experimental precision and opens new possibilities for researchers.
  • The system streamlines complex spectroscopic analyses, improving overall research productivity.