Sentence examples for by nonlinear regression of from inspiring English sources

Michaelis constants (Km) and maximum reaction velocities (Vmax) were determined by nonlinear regression of initial velocities vs. substrate concentration.

The overall decay of LD was evaluated by nonlinear regression of r according to Hill and Weir [ 20].

The AlPcS2a serum concentration kinetics was analysed by nonlinear regression of log concentration vs the log multiexponential decay with time.

The concentration of compound that effected 50% inhibition of ChEs activities (IC50) was calculated by nonlinear regression of the inhibition ratio concentration curve, using Origin 7.5 program.

IC50 values were determined by nonlinear regression of the MTT assay data using Prism (Version 5.0, GraphPad Software, LaJolla, CA, USA).

IC50 values were calculated by nonlinear regression of at least five data points using SigmaPlot, version 9.01 (Systat Software Inc., Chicago, IL).

Vmax and KM values were calculated by nonlinear regression on the curve of velocity versus substrate concentration and also by Eadie-Hofstee plot.

The results were analyzed by nonlinear regression for the Michaelis-Menten equation, using Origin software (Northaempton, MA, USA).

Carboxylate p K a measurements for BSH: Macroscopic p Ka values for the malate carboxylate groups of BSH were determined by nonlinear regression analysis of plots of C NMR chemical shifts of the malate carbons (δobs) versus pD with use of Equation (1a), where p Ka and p Ka′ are the macroscopic acid dissociation constants, and Lim is the inflection point on the biphasic curve.

The macroscopic p Ka values of the thiol and amino groups of BSH, MeO-GlcN-Cys and Cys were determined by nonlinear regression analysis of a plot of fraction of thiol in its thiolate form (αs) versus pH fitted to Equation (1b), where p Ka and p Ka′ are the macroscopic acid dissociation constants, and Lim is the inflection point on the biphasic curve.

Cellular half-life after withdrawal of BrdU was analyzed by nonlinear regression analysis of the labeling index, using a model of one-phase exponential decay". Abstract:"[Investigators] initially validated [their] technique in the duodenum, where [they] determined a half-life of 2.4 days for crypt cells.