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

DNA Base Pairing02:27

DNA Base Pairing

33.1K
Erwin Chargaff’s rules on DNA equivalence paved the way for the discovery of base pairing in DNA. Chargaff’s rules state that in a double-stranded DNA molecule,
33.1K
DNA Base Pairing02:27

DNA Base Pairing

32.1K
32.1K
VSEPR Theory and the Effect of Lone Pairs04:01

VSEPR Theory and the Effect of Lone Pairs

52.8K
Effect of Lone Pairs of Electrons on Molecule Geometry
52.8K
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

1.5K
There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
1.5K
Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

392
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
392
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

1.9K
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
1.9K

You might also read

Related Articles

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

Sort by
Same author

Determining a Gamma Knife's isocenter using a starburst shot.

Medical physics·2026
Same author

Regulation of squalene biosynthesis and plant development by ELONGATED HYPOCOTYL 5 in response to light in Arabidopsis thaliana.

Plant physiology·2026
Same author

Neural entrainment by speech in human auditory cortex revealed by intracranial recordings.

Progress in neurobiology·2025
Same author

Potential of ChatGPT in youth mental health emergency triage: Comparative analysis with clinicians.

PCN reports : psychiatry and clinical neurosciences·2025
Same author

Genomic landscape of diffuse glioma revealed by whole genome sequencing.

Nature communications·2025
Same author

Galactinol synthase 4 requires sulfur assimilation pathway to provide tolerance towards arsenic stress under limiting sulphur condition in Arabidopsis.

Journal of hazardous materials·2025
Same journal

Assessment of Health Risks of Adults and Children Due to Consumption of Uranium in Groundwater from Chengalpattu District, Tamil Nadu, India.

Health physics·2026
Same journal

Radiation Protection Abstracts, Volume 46, Number 1.

Health physics·2026
Same journal

Specialized Radiological Assets for Navigable Two-dimensional and Three-dimensional Virtual and Augmented Reality.

Health physics·2026
Same journal

DoseBusters: A Fully Immersive Virtual Reality Game for Radiation Protection and Detection.

Health physics·2026
Same journal

Radioactivity in Bottled Drinking Water from Greater Dhaka City and Concomitant Ingestion Doses to Consumers.

Health physics·2026
Same journal

Assessment of Radiation Dose and Protection Practices in Neonatal Radiography in NICUs.

Health physics·2026
See all related articles

Related Experiment Video

Updated: Jan 24, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications
08:21

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

11.7K

Measuring Workload with Paired Detectors.

Robert Corns1, Charles Schroeder2, Gurpreet Sandhu3

  • 1East Carolina University, Brody School of Medicine, Department of Radiation Oncology, Greenville, NC.

Health Physics
|May 25, 2019
PubMed
Summary
This summary is machine-generated.

Measuring linear accelerator workloads requires paired detectors. While CR-39 NTD and TLD-100 detectors were tested, the pairing failed due to CR-39 saturation and TLD-100 noise. TLD-100 showed high accuracy for single-energy workloads.

More Related Videos

Additive Manufacturing-Enabled Low-Cost Particle Detector
06:05

Additive Manufacturing-Enabled Low-Cost Particle Detector

Published on: March 24, 2023

2.4K
Methods of Pairing and Pair Maintenance of New Zealand White Rabbits Oryctolagus Cuniculus Via Behavioral Ethogram, Monitoring, and Interventions
10:00

Methods of Pairing and Pair Maintenance of New Zealand White Rabbits Oryctolagus Cuniculus Via Behavioral Ethogram, Monitoring, and Interventions

Published on: March 16, 2018

14.8K

Related Experiment Videos

Last Updated: Jan 24, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications
08:21

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

11.7K
Additive Manufacturing-Enabled Low-Cost Particle Detector
06:05

Additive Manufacturing-Enabled Low-Cost Particle Detector

Published on: March 24, 2023

2.4K
Methods of Pairing and Pair Maintenance of New Zealand White Rabbits Oryctolagus Cuniculus Via Behavioral Ethogram, Monitoring, and Interventions
10:00

Methods of Pairing and Pair Maintenance of New Zealand White Rabbits Oryctolagus Cuniculus Via Behavioral Ethogram, Monitoring, and Interventions

Published on: March 16, 2018

14.8K

Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Radiation Detection

Background:

  • Accurate measurement of linear accelerator (LINAC) workloads is crucial for radiation safety.
  • Determining workloads for specific photon energies (e.g., 6 MV and 18 MV) is essential for treatment planning and safety protocols.
  • Paired detector techniques offer a potential method for differentiating and quantifying radiation contributions from different energy fields.

Purpose of the Study:

  • To evaluate a technique for measuring LINAC workloads using paired detectors.
  • To assess the feasibility of using CR-39 Nuclear Track Detectors (NTD) and TLD-100 detectors to differentiate between 6 MV and 18 MV photon fields.
  • To determine the number of monitor units delivered for each energy by combining detector signals with calibration factors.

Main Methods:

  • Utilized a paired detector system comprising CR-39 NTD and TLD-100 detectors.
  • Exposed detectors to 6 MV and 18 MV photon fields from a linear accelerator.
  • Analyzed detector signals to separate contributions from different photon energies.
  • Calculated workload in monitor units using signal-per-monitor-unit calibration factors.

Main Results:

  • The CR-39 NTD detector signals saturated under the experimental conditions, rendering it unsuitable for this application.
  • The TLD-100 detector exhibited noise and sensitivity issues that made it impractical to extract 6 MV signals from mixed fields.
  • The TLD-100 detector demonstrated high accuracy (1%) and precision (3%) for measuring workloads when exposed to a single photon energy.
  • The experiment highlighted the importance of understanding detector noise characteristics for successful paired detector applications.

Conclusions:

  • The CR-39 NTD and TLD-100 pairing was unsuccessful due to detector limitations.
  • TLD-100 is a viable option for measuring single-energy LINAC workloads with high accuracy.
  • Further research is needed to identify a suitable detector to pair with TLD-100 for differentiating mixed-energy LINAC workloads.