Synthetic inhibitors that are widely used in experimental studies are reversible peptide aldehyde inhibitors (e.g., MG132), irreversible moronic acid inhibitors (e.g., PS-341), and vinyl sulfone inhibitors (e.g., NLVS) [78].

Bone uptake was relatively low, suggesting no in vivo defluorination of the tracer.

But he wrote a message in the Himyar script (Musnad) with his knife on the saddle of a passing camel, and the message eventually reached his tribe in Hadhramaut.

The field was covered with a densening mist, or at least it looked like mist.