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Published on: November 16, 2019
Digital autoradiography using room temperature CCD and CMOS imaging technology.
Jorge Cabello1, Alexis Bailey, Ian Kitchen
1Centre for Vision, Speech and Signal Processing, School of Electronics and Physical Sciences, University of Surrey, Guildford, Surrey, UK. j.cabello@surrey.ac.uk
Physics in Medicine and Biology
|August 3, 2007
Summary
Charged coupled device (CCD) and CMOS imaging offer superior alternatives to film for thin tissue autoradiography. These digital sensors provide enhanced sensitivity, dynamic range, and linearity for radioisotope imaging.
Area of Science:
- Medical Imaging
- Radiochemistry
- Biotechnology
Background:
- Conventional film is widely used for thin tissue autoradiography.
- Limitations of film include lower sensitivity and dynamic range.
- Digital imaging technologies present potential alternatives.
Purpose of the Study:
- To compare CCD and CMOS imaging sensors with conventional film for thin tissue autoradiography.
- To evaluate the performance of these digital sensors under direct irradiation.
- To assess sensitivity, dynamic range, and linearity of digital versus film-based imaging.
Main Methods:
- Direct irradiation of a CCD sensor and a CMOS active pixel sensor at room temperature.
- Imaging of (14)C calibrated microscales and (35)S radiolabelled tissue sections.
- Comparison of digital sensor results with conventional film.
- Acquisition of (3)H images using a CCD sensor.
Main Results:
- Both CCD and CMOS imaging technologies were successfully applied to thin tissue autoradiography.
- Digital sensors demonstrated enhanced sensitivity compared to conventional film.
- Improved dynamic range and linearity were observed with silicon-based imaging technologies.
- First reported (3)H images using direct CCD irradiation at room temperature.
Conclusions:
- CCD and CMOS imaging sensors are viable and advantageous alternatives to film for thin tissue autoradiography.
- These digital technologies offer superior performance characteristics for radioisotope imaging.
- Further research can explore broader applications of these advanced imaging techniques.
