“…Capacitance, T, pH, DO, dCO 2 E. coli van Steenkiste et al (1997) 5-50 mL OD, DO, pH, gene expression Recombinant E. coli Zanzotto et al (2004) 80-180 mL Growth rate Salmonella typhimurium Stitt et al (2002) 150 mL OD, DO pH E. coli; S. cerevisiae Zhang et al (2005) 200 mL D O Corynebacterium glutamicum John et al (2003b) 200 mL p H Lactococcus lactis; Streptococcus thermophilis John et al (2003a) 250 mL OD, pH, T E. coli Maharbiz et al (2004) 1 mL DO, pH E. coli Harms et al (2005) 2 mL OD, DO, pH E. coli Kostov et al (2001) 2 mL Cell density, pH Recombinant CHO and HEK Girard et al (2001) 2 mL Antibiotic Multiple cultures (mutation screening) Hammond and Brookes (1992) 6 mL OD, DO, pH, T E. coli Lamping et al (2003) 7 mL pH Saccharopolyspora erythraea Elmahdi et al (2003) Guarna et al (1997) pH and DO measured using fluorescent dyes, HPTS for pH and ruthenium-based for DO in various formats (e.g., phase modulation lifetime fluorimetry, solid state chips, in situ patch microfiber optic probes), as well as miniature and standard size probes for larger volumes (e.g., shake flasks). OD measured in situ using absorbance at 600 nm.…”