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 Experiment Videos

Thermoluminescence in hydroxyapatite.

M R Chapman, A G Miller, T G Stoebe

    Medical Physics
    |November 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A thermoluminescent (TL) glow peak at 85°C in bone mineral is activated by thermal pretreatment and UV light. Its intensity changes with age and metabolic disorder, offering insights into bone health.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same author

    Testing the optical components for the National Ignition Facility time-resolved soft x-ray opacity spectrometer (OpSpecTR).

    The Review of scientific instruments·2024
    Same author

    The Treatment of Sprains and Fractures in the Neighbourhood of Joints by Massage and Early Passive Movements.

    The Hospital·2018
    Same author

    Case of Hysterical Knee.

    The Hospital·2018
    Same author

    Case of Tubercular Peritonitis Complicated by Periosteal Abscess of the Thigh-Laparotomy-Recovery.

    The Hospital·2018
    Same author

    A Case of Neuroma of the External Popliteal Nerve.

    The Hospital·2018
    Same author

    Some Simple Uses of Carbolic Acid. I.

    The Hospital·2018
    Same journal

    Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

    Medical physics·2026
    Same journal

    Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

    Medical physics·2026
    Same journal

    Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

    Medical physics·2026
    Same journal

    Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

    Medical physics·2026
    Same journal

    Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

    Medical physics·2026
    Same journal

    Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

    Medical physics·2026
    See all related articles

    Area of Science:

    • Biophysics
    • Materials Science
    • Biomineralization

    Background:

    • Thermoluminescence (TL) is a sensitive technique for studying trapped charges in materials.
    • Bone mineral composition and structure change with age and metabolic status.
    • Understanding these changes is crucial for diagnosing bone diseases.

    Purpose of the Study:

    • To investigate a specific thermoluminescent (TL) glow peak at 85°C in synthetic and biological hydroxyapatite.
    • To characterize the excitation mechanism and decay kinetics of this TL glow peak.
    • To assess the utility of TL measurements in evaluating bone aging and metabolic disorders.

    Main Methods:

    • Thermoluminescence (TL) measurements were performed on synthetic hydroxyapatite, amorphous calcium phosphate, and deproteinated rat bone mineral.

    Related Experiment Videos

  • Samples underwent thermal pretreatment followed by ultraviolet (UV) light exposure.
  • Electron spin resonance (ESR) was used to verify charge transfer mechanisms.
  • TL intensity was measured in samples from rats of different ages and with induced metabolic disorders.

    • Main Results:

    • A distinct TL glow peak at 85°C was observed in all tested materials.
    • The TL intensity followed a logarithmic decay curve, indicative of a transfer thermoluminescence process.
    • Atmospheric exposure decreased TL intensity, while vacuum drying and thermal pretreatment restored it.
    • TL intensity increased with age in normal rat bone mineral.
    • Metabolic disorders significantly increased TL intensity, correlating with changes in bone mineral chemistry and crystallography.

    Conclusions:

    • The 85°C TL glow peak is a sensitive indicator of bone mineral properties.
    • TL measurements can effectively differentiate bone samples based on age and metabolic status.
    • This technique holds potential for non-invasive assessment of bone health and disease progression.