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Tracking Mouse Bone Marrow Monocytes In Vivo
Published on: February 27, 2015
Talbot-defocus multiscan tomography using the synchrotron X-ray microscope to study the lacuno-canalicular network in
Nobuhito Nango1, Shogo Kubota, Akihisa Takeuchi
1Ratoc System Engineering Co., Ltd, 1-24-8 Sekiguchi, Bunkyo-ku, Tokyo 112-0014, Japan.
Biomedical Optics Express
|June 14, 2013
Summary
This study introduces a novel X-ray microscopy technique to visualize bone mineralization and the osteocyte lacuno-canalicular network. The method enables submicron analysis of bone structure and mineral density, crucial for understanding bone metabolism.
Area of Science:
- Biomedical Engineering
- Materials Science
- Bone Biology
Background:
- Osteocytes within bone's lacuno-canalicular network regulate bone metabolism.
- Understanding the relationship between bone mineralization and this network is vital.
Purpose of the Study:
- To develop and validate a synchrotron radiation X-ray microscopy technique.
- To visualize and analyze the osteocyte lacuno-canalicular network and bone mineralization at submicron resolution.
Main Methods:
- Constructed a synchrotron radiation X-ray microscope for sequential tomography.
- Utilized Talbot interferometry for mineralization detection and defocused absorption contrast for structural visualization.
- Precisely aligned dual-contrast tomograms for comprehensive analysis.
Main Results:
- Successfully visualized the three-dimensional osteocyte lacuno-canalicular network in mouse tibia.
- Enabled evaluation of mineral density around lacunae and canaliculi throughout cortical bone.
- Achieved submicron resolution for detailed structural and mineralization analysis.
Conclusions:
- Multiscan microscopic X-ray tomography is a powerful tool for bone research.
- This technique allows detailed analysis of bone mineralization in relation to the lacuno-canalicular network.
- Provides new insights into bone structure-function relationships at the nanoscale.
Keywords:
(070.6760) Talbot and self-imaging effects(110.6960) Tomography(180.7460) X-ray microscopy(340.6720) Synchrotron radiation
