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. Author manuscript; available in PMC: 2013 Nov 7.
Published in final edited form as: Lab Chip. 2012 Nov 7;12(21):4321–4327. doi: 10.1039/c2lc40785j

Figure 1.

Figure 1

Mixing protein with different additives prior to printing yields dramatically different rehydration profiles. The combination of 5% sucrose, 5% trehalose and 1% BSA minimizes nonspecific binding at the site of printing, while also facilitating rapid rehydration into the wetting front.