[Beijinger]

"with larger more complex molecules."

What are "larger, more complex, molecules"? Without trolling, I think scent cuts off at a MW 330 or something.

[kolinko]

But it's not as good with distinguishing complex organic molecules one from another, no? I.e. between various proteins of a similar size.

[literalAardvark]

Mass spectrometry gives results that are a bit like the ingredient lists for food. Tells you precious little about the actual product.

[Beijinger]

You don't smell proteins.