c Acid' (PE-CO2H) and Derivatives: Differentiation of the Functional Groups into Shallow and Deep Subsets Based on a Comparison of Contact Angle and ATR-IR http://ginwgroup.harvard.cdu/publications 1980s.html I1/6/2008 EFTA_R1_01521518 EFTA02444603 Whitesides Group - Publications Page 6 of I4 Mea