Here’s a structured collection of FAQs tailored to academic research on MPC (Model Predictive Control) applications in monoclonal antibody (mAb) production, integrating experimental design and data analysis principles:
Common sources include:
Metabolic shifts: CHO cells alter nutrient uptake rates during prolonged culture (e.g., glutamine dependency → lactate consumption) .
Sensor drift: pH or oxygen probes degrade over 14+ days, requiring recalibration .
Perform partial least squares (PLS) regression to isolate conflicting variables .
Validate with offline assays (e.g., Nova Bioprofile for amino acids) .
Transcriptomic integration: Use RNA-seq data to refine growth rate models via constraint-based reconstruction (e.g., CHO genome-scale metabolic models) .
Proteomic alignment: Map intracellular antibody titers to mTOR pathway activity using ELISA/MS data .
| Data Type | MPC Integration Method | Impact on Control |
|---|---|---|
| Metabolomics | Dynamic flux balance analysis | Adjusts glucose feed |
| Lipidomics | PLS-DA for membrane stress | Modifies shear force |
Grey-box modeling: Combine first-principles mass balance equations with machine learning (e.g., LSTM networks) to predict gradients in 500L reactors .
Edge computing: Deploy localized MPC nodes to mitigate latency in large-scale systems .