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Table 3 Bulk concentrations, kinetic parameters and diffusivities of glucose, xylose, furfural and HMF used as base case for mathematical modelling

From: Improved sugar co-utilisation by encapsulation of a recombinant Saccharomyces cerevisiae strain in alginate-chitosan capsules

  C bulk , g/l v max , mmol/g/h K M, mmol/l K i , mmol/l D w , m2/s D m , m2/s D c , m2/s
Glucose 40 6 (L), 2 (H) 20 (L), 0.4 (H) 36 (xylose), 40 (furfural), 80 (HMF) 6.76 × 10-10a 6.08 × 10-10 3.38 × 10-10
Xylose 20 6 100 0.4 (glucose), 40 (furfural), 80 (HMF) 7.69 × 10-10a 6.92 × 10-10 3.85 × 10-10
Furfural 2 3 0.7   1.10 × 10-9b 9.90 × 10-10 5.50 × 10-10
HMF 2 1 20   1.06 × 10-9c 9.54 × 10-10 5.30 × 10-10
  1. Abbreviations: C bulk concentration in the bulk liquid; D c effective diffusivity in the cell pellet; D m effective diffusivity in the capsule membrane; D w diffusivity in the bulk and in the liquid core of the capsule; H high affinity glucose transporter; HMF 5-hydroxymethylfurfural; K half saturation constant (Michaelis-Menten constant); K i inhibition constant for each of the indicated compound; L low-affinity glucose transporter; v max maximum specific consumption rate;
  2. bData from [27].
  3. cData from [28].
  4. dData from [29].