Use "americium" in a sentence

1. It featured the case of Harold McCluskey who is a nuclear worker that was exposed to life-threatening levels of americium

2. Diethylene triamine pentaacetic acid or DTPA was used on him for many years in order to expel 41 MBq of americium from his system

3. When he died 11 years later the cause had nothing to do with the americium poisoning