I have done a native PAGE and activity staining for amylase which consists of initial incubation with 1% starch for 30mins followed by 2% potassium iodide and 0.2% iodine. the activity bands appear translucent on a blue background. but when i cut the activity bands it always appears blue. now i wish to process these cut gel bands for MALDI TOF for which i have to destain. please can anyone help me with destaining process?????