Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

698
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
698
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

285
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
285
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

347
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....
347
X-ray Imaging01:24

X-ray Imaging

8.6K
German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
8.6K
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

324
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
324
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

2.8K
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...
2.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Outcomes of Supplementation With β-Hydroxy-β-methylbutyrate, Arginine, and Glutamine During Carbon-ion Radiotherapy for Head and Neck Cancer: A Prospective Exploratory Study.

In vivo (Athens, Greece)·2026
Same author

Definitive IMRT alone with reduced prophylactic nodal irradiation for Early-Stage Oropharyngeal Cancer: JCOG1208.

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology·2026
Same author

For ultra-high dose rate carbon-ion irradiation, comparable beam parameters induce the equivalent cell sparing (FLASH) effect.

Journal of radiation research·2026
Same author

Improving Compton imaging of 478 keV prompt gamma-ray in boron neutron capture therapy with neural network-based event filtering: a simulation study.

Physics in medicine and biology·2026
Same author

Psoas Muscle Volume as a Predictor of Postoperative Complications in Patients Undergoing Emergency Surgery for Strangulated Small Bowel Obstruction: A Retrospective Single-Center Study.

Annals of gastroenterological surgery·2026
Same author

Mature Tertiary Lymphoid Structures Indicate Good Chemotherapy Response and Prognosis in Advanced Colorectal Cancer.

Annals of gastroenterological surgery·2026

Related Experiment Video

Updated: Oct 14, 2025

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
06:28

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera

Published on: January 30, 2020

12.8K

Carbon range verification with 718 keV Compton imaging.

Raj Kumar Parajuli1,2, Makoto Sakai3, Kazuo Arakawa2

  • 1Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan.

Scientific Reports
|November 5, 2021
PubMed
Summary

This study demonstrates a new Compton camera for real-time monitoring of carbon ion radiotherapy beams. The camera accurately images prompt gamma emissions, aiding in precise dose delivery and overcoming beam range uncertainties.

More Related Videos

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers
08:51

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Published on: August 18, 2017

10.5K
Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
07:51

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Published on: August 24, 2017

7.5K

Related Experiment Videos

Last Updated: Oct 14, 2025

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
06:28

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera

Published on: January 30, 2020

12.8K
Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers
08:51

Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers

Published on: August 18, 2017

10.5K
Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
07:51

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Published on: August 24, 2017

7.5K

Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Nuclear Instrumentation

Background:

  • Carbon ion radiotherapy offers superior dose distribution and biological effectiveness.
  • Beam range uncertainties in carbon ion therapy can compromise treatment efficiency.
  • Real-time monitoring of clinical beams is crucial for precise dose delivery.

Purpose of the Study:

  • To develop and evaluate a Compton camera for real-time imaging of prompt gamma emissions.
  • To assess the feasibility of using this camera for monitoring clinical carbon ion beams.
  • To address beam range uncertainties in carbon ion radiotherapy.

Main Methods:

  • Real-time detection and imaging of 718 keV prompt gamma emissions using a Si/CdTe Compton camera.
  • Experiments conducted on graphite phantoms with clinical 290 MeV/u carbon ion beams.
  • Compton image reconstruction using simple back-projection methods.

Main Results:

  • The peak intensity position in reconstructed images was found a few millimeters below the Bragg peak.
  • Dual- and triple-energy window images were unaffected by scattered gammas.
  • Peak intensity positions in energy-windowed images closely matched those in the primary reconstructed images.

Conclusions:

  • The developed Compton camera system is feasible for real-time beam monitoring in carbon ion radiotherapy.
  • This technology can potentially improve the precision and safety of carbon ion treatments.
  • The findings support the use of prompt gamma imaging for quality assurance in particle therapy.