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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.
Phase Contrast and Differential Interference Contrast Microscopy01:26

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In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...

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Related Experiment Video

Updated: May 25, 2026

Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
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Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time

Published on: November 4, 2014

Multi-wavelength elemental contrast absorption imaging.

Mac B Luu1, Chanh Q Tran, Benedicta Arhatari

  • 1Department of Physics, La Trobe University, VIC 3086, Australia. bmluu@students.latrobe.edu.au

Optics Express
|January 26, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a new quantitative elemental mapping technique using three intensity measurements. It accurately determines elemental distribution in samples, even at low concentrations, overcoming limitations of existing methods.

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Cerenkov Luminescence Imaging of Interscapular Brown Adipose Tissue
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Last Updated: May 25, 2026

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Cerenkov Luminescence Imaging of Interscapular Brown Adipose Tissue
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Published on: October 7, 2014

Area of Science:

  • Materials Science
  • Physics
  • Chemistry

Background:

  • Elemental mapping is crucial for material analysis.
  • Conventional Absorption Edge Contrast Imaging has limitations.

Purpose of the Study:

  • To demonstrate a quantitative technique for elemental mapping.
  • To overcome limitations of existing elemental mapping methods.

Main Methods:

  • Utilizes full-field imaging.
  • Employs three intensity measurements at energies across an absorption edge.
  • Obtains elemental distribution based on these measurements.

Main Results:

  • Experimental validation of the quantitative elemental mapping technique.
  • Demonstrated accuracy in determining elemental distribution, even at low percentage compositions.
  • Showcased robustness to the choice of energy intervals.

Conclusions:

  • The developed technique offers accurate elemental distribution analysis.
  • It surpasses conventional methods in overcoming specific limitations.
  • The technique is reliable for complex compound samples.