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Table 1 Comparison of mathematically optimized methods for equilibration of human oocytes with 6 mol/L EG

From: Mathematically optimized cryoprotectant equilibration procedures for cryopreservation of human oocytes

Procedure Concentration parameterization Goal cell volume Goal EG Conc. (sf/wf) Toxicity (J╬▒)
Addition Piecewise linear Isotonic 30 396
Addition Piecewise linear Not specified 30 32.3
Addition 2-step piecewise constant Not specified 30 49.5
Addition 3-step piecewise constant Not specified 30 42.7
Removal Piecewise linear Isotonic 0 38.4
Removal Piecewise linear Not specified 0 12.1
Removal 2-step piecewise constant Not specified 0 12.8
Removal 3-step piecewise constant Not specified 0 12.4