Reviewer 1:
"This is a very good paper filled with innovative ideas. It is no small achievement to make this drop-in-drop technique work and it clearly allows one to do analytical separations and other chemistry on a very micro sample scale with all the associated advantages. …"
Reviewer 2:
"The paper is well written and very clear in its presentation of the work. The actual significance of the work may if anything be understated and perhaps opens up a new field of endeavor in its own right. …"