Table 1

Summary of models.

Model

Two-parameter models

References

2A

Ghose and Das [10], Dwivedi and Ghose [14], Howell and Stuck [11], Caminal et al. [15], Gan et al. [7]

2B

Humphrey et al. [16]

Movagharnejad and Sohrabi [17]

2C

Wald et al. [18]

Three-parameter models

3A

Fan and Lee [20]

3B

Huang [21]

3C

Holtzapple et al. [22]

Brown et al. Biotechnology for Biofuels 2010 3:6   doi:10.1186/1754-6834-3-6