I was wondering why you thought to ask that question in your OP, so I just had a quick look-see in google. I can almost see how
your thinking and educational background led you to ask the question!
Given your background in laboratory work
, it might tweak your interest to read the following, although this concerns insulin and presumably IM shots, not SC ones.
The info for the IM ones may be applicable or not but of course I have no idea.