Reaction Components	Number of reactions
2	5
PBS	875 µl	2.19 ml
Copper protectant	20 µl	50 µl
Fluorescent dye picolyl azide	5 µl	12.5 µl
Diluted reaction buffer prepared in 4.1	100 µl	250 µl
Total reaction volume	1 ml	2.5 ml