earlier.29 (link) Goat
secondary anti-mouse polyclonal antibodies conjugated with HRP and HRP substrate
SureBlue TMB were purchased from KPL (Gaithersburg, MD). Thrombin CleanCleave
kit was obtained from Sigma (St. Louis, MO), Blocker BSA in TBS,
sulfo-NHS-acetate, and p-hydroxyphenylglyoxal were from Thermo Scientific
(Rockford, IL).