Advancing PET science for new measures of brain function. Progress report, January 1, 1994--December 31, 1994
This project has continued the development of new chemistry and imaging physics applicable to PET studies of the human brain. In basic radiochemistry research, the authors have developed a modified approach to solid-phase supported [{sup 11}C]methylation system, in part dependent on the design, fabrication and validation of new small, sensitive and accurate positron detectors useful in tracking the flow of radioactivity through the synthesis apparatus. Radiopharmaceutical efforts have resulted in synthesis of new tracers of mitochondrial enzymes. For evaluation of new PET radiotracers, the authors have applied new models of unilateral brain lesions using quinolinic acid and MPP+, as models of neurodegenerative diseases. In the physics and data analysis research area the authors have developed faster and more accurate means of performing image reconstruction for use with both emission and transmission data. The authors are optimizing acquisition and kinetic modeling strategies for new radiotracers. The authors also have implemented and proven the utility of performing task switching during PET CBF activation studies for the purpose of enhancing signal-to-noise and greater detectability of areas of activation. The authors also working on routines for standardization of analysis strategies for group vs. group and individual vs. group comparisons.
- Research Organization:
- Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-87ER60561
- OSTI ID:
- 10105813
- Report Number(s):
- DOE/ER/60561-10; ON: DE95004305; BR: HA0207010/KP0601000; TRN: AHC29503%%77
- Resource Relation:
- Other Information: PBD: Oct 1994
- Country of Publication:
- United States
- Language:
- English
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