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Biointerphases

Journal for Biophysical Chemistry

Table 1 Characterization of alginate and hyaluronic acid (HA) hydrogels

From: Evaluation of Alginate and Hyaluronic Acid for Their Use in Bone Tissue Engineering

Polymer concentration

Alginate

HA

1 %

2 %

1 %

2 %

pH

7.10 ± 0.053

7.06 ± 0.049

7.30 ± 0.017

6.72 ± 0.032a

Viscosity at 25 °C (Pas)

0.324 ± 0.061

0.639 ± 0.080a

0.107 ± 0.020

0.966 ± 0.238a

Viscosity at 37 °C (Pas)

0.186 ± 0.040b

0.507 ± 0.099a

0.071 ± 0.019b

0.680 ± 0.152a,b

  1. pH values of different hydrogels obtained in PBS at 25 °C (n = 3) and viscosimetric measures of alginate and HA hydrogels at 1 and 2 % (w/v) obtained in PBS, at 25 °C and at 37 °C (n = 9). Values represent the mean ± SD. Differences between groups were assessed by Mann–Whitney-test or by Student t test depending on their normal distribution. Results were considered statistically significant at p values ≤ 0.05 for each polymer
  2. a1 versus 2 %
  3. b25 versus 37 °C
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