Multiple linear regression monitoring

The composition of recycled HDPE/virgin PP blends prepared in a single-screw extruder was monitored inline at three different points by near-infrared spectroscopy. The data were interpreted by simple and multiple linear regression and multivariate methods. 5 refs. 

To measure accurate kinetic parameters, all reaction rates should be linear to protein concentrations (0.1-0.25 mg/mL) and incubation times (up to 20 min). Substrate consumption was limited to less than 20%. Because the HLM contains multiple CYPs an isoform-mediated metabolite(s) is (are) monitored to measure the enzyme activity. If the metabolite detection is highly sensitive, a low protein concentration is recommended for the highly protein bound compounds to minimize protein binding. To obtain a value eight substrate concentrations are routinely chosen, which are set around the (O.l-STTm)- Am is determined by a nonlinear regression on a velocity versus... 

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