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

Radioactive Decay and Radiometric Dating02:48

Radioactive Decay and Radiometric Dating

35.3K
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
35.3K

You might also read

Related Articles

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

Sort by
Same author

Lactic Acid Drives ESM1 to Attenuate DNA Damage and CD8+ T Cell Infiltration in Cancer.

Oncology research·2026
Same author

Evolution mechanism of pore structures in sandstone under coupled effect of hygrothermal cycles and Na<sub>2</sub>SO<sub>4</sub> solution.

Scientific reports·2026
Same author

Graph-Enhanced Multi-Task Learning for Type 2 Diabetes Comorbidity Risk Prediction.

IEEE journal of biomedical and health informatics·2026
Same author

Radon exhalation and migration mechanisms across stratigraphic units: a case study from Inner Mongolia.

Journal of environmental radioactivity·2026
Same author

Current status and influencing factors of spiritual care needs of patients with lung cancer in chemotherapy: a longitudinal observational study.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2025
Same author

Identification of predictors and construction of a prediction model for the quality of life in laryngeal carcinoma patients in China using revised core nursing outcomes.

BMC nursing·2024
Same journal

Environmental variables improve remote sensing-based water table monitoring in peatlands.

The Science of the total environment·2026
Same journal

Climate extremes, WASH deficits, and infectious diseases in the Brazilian Amazon: Insights from explainable machine learning (2010-2022).

The Science of the total environment·2026
Same journal

Life cycle assessment as a tool to improve the environmental sustainability of urban forest management - An Italian case study.

The Science of the total environment·2026
Same journal

Retraction notice to "Fate, bioaccumulation and toxicity of engineered nanomaterials in plants: Current challenges and future prospects" [Sci. Total Environ. 811 (2022) 152249].

The Science of the total environment·2026
Same journal

Retraction notice to "Intensive human land uses cause the biotic homogenization of algae and change their assembly process in a major watershed of China" [Sci. Total Environ. 871 (2023) 162115].

The Science of the total environment·2026
Same journal

Retraction notice to "Phosphorus elevation erodes ectomycorrhizal community diversity and induces divergence of saprophytic community composition between vegetation types" [Sci. Total Environ. 793 (2021) 148502].

The Science of the total environment·2026
See all related articles

Related Experiment Video

Updated: Sep 28, 2025

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing
09:29

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing

Published on: May 13, 2020

11.8K

Radon exhalation from temperature treated loess.

Pengfei Li1, Qiang Sun2, Jishi Geng1

  • 1College of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi 710054, China.

The Science of the Total Environment
|April 3, 2022
PubMed
Summary
This summary is machine-generated.

Radon gas from loess construction materials poses a cancer risk. Heat treatment alters loess pore structure, significantly impacting radon exhalation rates and radiation risk prediction.

Keywords:
High temperatureLoessNitrogen adsorptionPore structureRadon exhalationSEM

More Related Videos

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
11:19

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

Published on: October 21, 2016

12.0K
Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
12:02

Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA

Published on: May 2, 2018

12.6K

Related Experiment Videos

Last Updated: Sep 28, 2025

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing
09:29

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing

Published on: May 13, 2020

11.8K
Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
11:19

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

Published on: October 21, 2016

12.0K
Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
12:02

Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA

Published on: May 2, 2018

12.6K

Area of Science:

  • Environmental Science
  • Geology
  • Public Health

Background:

  • Radon gas is a natural carcinogen found in soils like loess.
  • Loess is a key construction material in arid regions (e.g., China, USA).
  • Radon exhalation from loess building materials is a growing health concern.

Purpose of the Study:

  • Investigate radon exhalation from heat-treated loess.
  • Analyze the relationship between loess pore structure and radon release.
  • Provide data for predicting radon radiation risk.

Main Methods:

  • Nitrogen adsorption tests for pore structure analysis.
  • Swept surface electron microscopy for morphology.
  • Radon measurements to quantify exhalation.

Main Results:

  • Radon exhalation rate increases with temperature up to 400 °C, then decreases exponentially.
  • Changes in pore structure (micropores, surface area) correlate with radon exhalation.
  • Micropore volume and fractal dimension are key factors in radon release.

Conclusions:

  • Heat treatment significantly modifies loess pore structure and radon exhalation.
  • Understanding loess pore characteristics is crucial for assessing radon risk.
  • This research aids in predicting radiation hazards from loess construction.