Sodium azide NaN3 is often used to prevent antibody degradation in 0,02% W/V concentrations. IBL Tecan Benelux supplies azide free antibodies on request.Recently IBL Tecan Benelux made this IL33BL33IGG1 500µG500µL available without azide. It will stick less and is more suitable for ELISA or in vivo studies. However you need to store the @[email protected] frozen and ship on dry ice.
IL33BL33IGG1 AZIDE FREE 500µG500µL