Table 3.
Overall best signed and unsigned correlation results between Raman vs. CuBiAn, and Raman vs. LC-MS measurements.
| Off-line measurements | Highest absolute correlation R | Highest positive correlation R | |
|---|---|---|---|
| Raman vs. CuBiAn (days 1–10) | Glucose | 0.9576 | N/A |
| Lactate | −0.9543 | 0.9502 | |
| Glutamine | 0.8465 | N/A | |
| Glutamate | −0.8621 | 0.836 | |
| Ammonia | 0.9352 | N/A | |
| Cell concentration* | −0.9308 | 0.905 | |
| Viability* | −0.6543 | 0.6111 | |
| Raman vs. LC-MS (days 1–9) | Glucose | N/A | 0.9713 |
| Lactate | N/A | 0.9517 | |
| Glutamine | N/A | 0.8386 | |
| Glutamate | −0.8449 | 0.8445 | |
| Ammonia | N/A | N/A | |
| Cell concentration* | −0.9374 | 0.9213 | |
| Viability* | −0.5977 | 0.2466 | |
*Cell concentration and viability measured by ViCell.