I am a semi-retired radiopharmacist with over 30 years of experience in Singapore General Hospital and the private medical imaging sector.
My career includes work in:
- clinical radiopharmacy operations
- radiation safety and shielding
- PET/SPECT radiopharmaceutical preparation
- QC, GMP, and audits
- teaching and training
- research and protocol development
I created this blog to share the tools and calculators I have developed across my career, especially in radiation shielding, dose calculations, and workflows in nuclear medicine.
Career Highlights
- Singapore General Hospital —
25+ years as radiopharmacist and senior principal research scientist
- Advanced Medicine Imaging —
8+ years as director of radiopharmaceutics
- Developed numerous radiation calculation tools
- Published research and training materials
- Mentored junior staff in radiopharmacy and radiation safety
- Elected as a Fellow of Royal Society of Chemistry (FRSC) in 2025
About This blog
This site focuses on practical tools rather than long articles.
The goal is to share calculators and spreadsheets with nuclear medicine professionals.
Mail to
meditopes@yahoo.com
Nuclear Medicine Tools & Calculators 