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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03634naa a2200517 4500 | |
| 001 | oai:research.chalmers.se:1ea3ab85-3d21-485b-9806-24bc2bbbef9e | |
| 003 | SwePub | |
| 008 | 211105s2021 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://doi.org/10.3390/gels70401862 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5269312 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Carmona, Pierre,d 1995u Universitetet i Oslo,University of Oslo,Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)pierrec |
| 245 | 1 0 | a Glyceraldehyde as an efficient chemical crosslinker agent for the formation of chitosan hydrogels |
| 264 | c 2021-10-28 | |
| 264 | 1 | b MDPI AG,c 2021 |
| 338 | a electronic2 rdacarrier | |
| 520 | a The rheological changes that occur during the chemical gelation of semidilute solutions of chitosan in the presence of the low‐toxicity agent glyceraldehyde (GCA) are presented and discussed in detail. The entanglement concentration for chitosan solutions was found to be approximately 0.2 wt.% and the rheological experiments were carried out on 1 wt.% chitosan solutions with various amounts of GCA at different temperatures (25 °C and 40 °C) and pH values (4.8 and 5.8). High crosslinker concentration, as well as elevated temperature and pH close to the pKa value (pH ≈ 6.3–7) of chitosan are three parameters that all accelerate the gelation process. These conditions also promote a faster solid‐like response of the gel‐network in the post‐gel region after long curing times. The mesh size of the gel‐network after a very long (18 h) curing time was found to contract with increasing level of crosslinker addition and elevated temperature. The gelation of chitosan in the presence of other chemical crosslinker agents (glutaraldehyde and genipin) is discussed and a comparison with GCA is made. Small angle neutron scattering (SANS) results reveal structural changes between chitosan solutions, incipient gels, and mature gels. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Annan teknikx Livsmedelsteknik0 (SwePub)211012 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Other Engineering and Technologiesx Food Engineering0 (SwePub)211012 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Annan kemi0 (SwePub)104992 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Other Chemistry Topics0 (SwePub)104992 hsv//eng |
| 653 | a Gelation time | |
| 653 | a SANS | |
| 653 | a Chitosan | |
| 653 | a Chemical crosslinking | |
| 653 | a Postgel | |
| 653 | a Rheology | |
| 653 | a Hydrogels | |
| 653 | a Glyceraldehyde | |
| 653 | a Viscosity | |
| 700 | 1 | a Tasici, Anca M.u Universitetet i Oslo,University of Oslo4 aut |
| 700 | 1 | a Sande, Sverre A.u Universitetet i Oslo,University of Oslo4 aut |
| 700 | 1 | a Knudsen, Kenneth D.u Institutt for energiteknikk4 aut |
| 700 | 1 | a Nyström, Bou Universitetet i Oslo,University of Oslo4 aut |
| 710 | 2 | a Universitetet i Oslob Chalmers tekniska högskola4 org |
| 773 | 0 | t Gelsd : MDPI AGg 7:4q 7:4x 2310-2861 |
| 856 | 4 | u https://research.chalmers.se/publication/526931/file/526931_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u https://www.mdpi.com/2310-2861/7/4/186/pdf |
| 856 | 4 8 | u https://doi.org/10.3390/gels7040186 |
| 856 | 4 8 | u https://research.chalmers.se/publication/526931 |
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