Figure 5个  Table 1个
    • Ingredients Formulation 1 Formulation 2 Formulation 3 Formulation 4 Formulation 5
      (FR1, w/v) (FR2, w/v) (FR3, w/v) (FR4, w/v) (FR5, w/v)
      PEG 50 50 50 50 50
      DEX 9 5 10 – 1
      BSA – 4 9 – –
      L-Glu – – – 9 8
      PEG: polyethylene glycol; DEX: dextran; BSA: bovine serum albumin; L-Glu: l-glutamic acid.
      "–" means not included.

      Table 1.  Compositions of the freeze-drying formulations.