This is pretty much the holy grail, that would make the first person to crack it crazy rich. So the quick answer is: no, not even close. Also, you would someho

This is pretty much the holy grail, that would make the first person to crack it crazy rich. So the quick answer is: no, not even close. Also, you would somehow have to measure a very low concentration of soluble chemical in a fluid with always changing composition of a bunch of chemically similar other constituents across relatively wide tissue layers that themselves have a lot of that same chemical.. It's absolutely sci-fi.