 Eberlin discovered the Eberlin Reaction during his work on gas phase ion chemistry, and he and his research group introduced EASI (Easy Ambient Sonic-spray Ionization), an ionization technique used in mass spectrometry.Eberlin is an advocate of intelligent design in Brazil, a pseudoscience on which he also lectures and he has signed the Dissent From Darwinism statement.He is a creationist also, and has said that evolution theory is a fallacy.