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. 2021 Mar 12;9(3):252. doi: 10.3390/vaccines9030252

Figure 4.

Figure 4

Effectivity of excipients for long-term storage of FMDV O JC vaccine antigen. (a) The 146S particle recovery (%) in each buffer during 1-year storage at 4 °C; (b) The 146S particle recovery (%) in each buffer during 1-year storage at −70 °C. The dotted line is set at 90% recovery. *, p < 0.05, **, p < 0.01. Different lowercase letters indicate significant differences at p < 0.05. Abbreviations: TK, Tris-KCl buffer (pH 7.6); Suc, 20% sucrose; SLA, 10% sucrose with 5% lactalbumin hydrolysate.