Byzantine Art - Science topic

Lu 177 looks a promising nuclear medicine. However, only two methods are presently employed to prepare it, Lu 176 and Yb 176 in reactor, respectively. If Tl 201 can be prepared by medical cyclotron, why does nobody employ a cyclotron to prepare Lu 177? 

Hi,

I am looking for a commercial or collaborative source of 64Cu for PET imaging as we cannot produce it locally. I used to get it from Cambridge but they seem to be phasing out the production... any other potential source?

Cheers,

Rv

Seeking for respectively as monuments and symbolism of this visualization in ecclesiastical monuments to the 18th century, with relevant bibliography.