Guy German, Binghamton University (IMAGE) Binghamton University Caption Guy German, assistant professor of biomedical engineering at Binghamton University, State University of New York, along with other researchers, showed that the wettability of this layer of skin can be controlled through treatment with solutions of the anionic surfactant known as sodium lauryl sulfate, buffered to different pH values. Credit Binghamton University, State University of New York Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.