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Collagen and Keratin as a Components of Hydrogels Cover

Figures & Tables

Fig. 1

Examples of chemically (a–c) and physically (d–f) crosslinked hydrogels [7]
Examples of chemically (a–c) and physically (d–f) crosslinked hydrogels [7]

Fig. 2

Structure of collagen (A) and keratin (B) [39, 51]
Structure of collagen (A) and keratin (B) [39, 51]

Fig. 3

Fabrication scheme of collagen/PNIPAAm hydrogel [67]
Fabrication scheme of collagen/PNIPAAm hydrogel [67]

Classification of hydrogel types based on the network nature

Type of hydrogelExamplesReferences
HomopolymerPoly(2-hydroxyethyl methacrylate)[12]
2-Hydroxyethyl methacrylate (HEMA)[13]
Poly(vinyl alcohol) (PVA)[14]
Polyacrylamide (PAAm)[15]
Polyetylene glycol (PEG)[16]
CopolymerMethacrylic acid (MAA)[17]
Carboxymethyl cellulose (CMC)
Polyvinylpyrrolidone (PVP)
Interpenetrating networkPoly(N-isopropylacrylamide) (PNIPAAm)[18]
Polyacrylamide-grafted-gum ghatti (PAAm-g-GG) and sodium alginate[19]
Polyacrylamide-grafted-tamarind seed polysaccharide (PAAm-g-TSP)
Poli(vinyl alcohol)/chitosan[20]
Hyaluronic acid–methylcellulose (HA-MC)[21]
Double-network hydrogelsPoly(2-acrylamido-2-methylpropanesulfonic acid) (PAMPS) as the first network and polyacrylamide as the second network[22]
Poly(2-acrylamido-2methylpropanesulfonic acid) as the first network and poly(N, N-dimethylacrylamide) (DMAA) or polyzwitterionic gels as the second network

Sub-classification of responsive hydrogels [23]

Chemically responsivePhysically responsiveBiochemically responsive

pHTemperatureAntigens responsive
GlucoseElectricity lightEnzymes responsive
OxidantPressureLigands responsive
Solvent compositionSound and magnetic field
Ions and specific molecular recognition events
DOI: https://doi.org/10.2478/ftee-2022-0024 | Journal eISSN: 2300-7354 | Journal ISSN: 1230-3666
Language: English
Page range: 61 - 69
Published on: Sep 28, 2022
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2022 Dorota Wieczorek, Anna Słubik, Iwona Masłowska-Lipowicz, Dorota Gendaszewska, Katarzyna Ławińska, published by Łukasiewicz Research Network, Institute of Biopolymers and Chemical Fibres
This work is licensed under the Creative Commons Attribution 3.0 License.