Hydrogels based on photocrosslinkable Hyaluronic Acid Methacrylate (HAMA) and Chondroitin Sulfate (CSMA) are presently under investigation for tissue engineering applications. HAMA CSMA gels offer tunable characteristics such as tailorable mechanical properties, swelling characteristics, enzymatic degradability. This review gives an overview of the scientific literature published regarding pre-...

3D printing technology has great potential for the reconstruction of human skin. However, reconstructed skin some differences from natural skin, largely because hydrogel used does not have appropriate biological and physical properties to allow healing regeneration. This study examines swelling, degradability, microstructure Collagen/Sodium Alginate (Col/SA) hydrogels differing compositions pur...

Abstract In the current study, performance of superabsorbent hydrogel composites comprised Guar gum-Pectin/Polyacrylamide/ZnO crosslinked with gamma irradiation (10 kGy) has been investigated for sustainable agriculture. The claimed (GG/PC/PAAm/ZnO x ) were characterized by FTIR, TGA, and AFM. swelling capacity data reveal that equilibrium water (EW) was increased increasing ZnO content from 60...

Three techniques for estimating rumen protein degradability were used together with in vivo apparent nitrogen digestibility estimates from sheep fed dried chopped Pangola grass or Siratro. The techniques used were 1) nitrogen disappearance from nylon bags suspended in the rumen, 2) S labelling of rumen microbial protein with plant nitrogen degradability calculated as the difference between micr...

Rumen degradation kinetics and effective degradability of individual amino acids, total analysed amino acids (TAA) and crude protein (CP) of soybean meal were measured on four rumen-cannulated wethers using the nylon bag technique. Microbial contamination of the incubated residues was corrected using a continuous 15N intraruminal infusion and isolated solid associated bacteria as a reference sa...

Many carbohydrates pose advantages for tissue engineering applications due to their hydrophilicity, degradability, and availability of chemical groups for modification. For example, carboxymethylcellulose (CMC) is a water-soluble cellulose derivative that is degradable by cellulase. Though this enzyme is not synthesized by mammalian cells, cellulase and the fragments derived from CMC degradatio...

The in situ dry matter (DM) disappearance of corn silages in two maturity stages (milk grain and half milk line) of known in vivo and in vitro digestibility was determined, with the main purpose of comparing digestibility values with the ruminal disappearance at 24 and 48h of incubation. A secondary goal was the description of their ruminal digestion kinetics, from which the effective degradabi...

1. In two experiments measurements were made of food intake, live-weight change, milk yield and milk composition in early lactation when dairy cows were given diets containing varying proportions of protein as fish meal (low rumen degradability) or as groundnut meal (high rumen degradability). In a preliminary trial measurements were also made with cows given supplements of either fish meal or ...

We report the preparation of degradable polymer networks by conventional free radical copolymerization n-butyl acrylate with a crosslinker (1 mol %) and dibenzo[c,e]oxepane-5-thione (DOT) as strand-cleaving comonomer. Addition only 4 % DOT imparts synthesized full degradability aminolysis, whereas gels less (2–3 cannot be degraded. This data confirms recently proposed reverse gel-point model fo...

Succinic derivatives of inulin (INU-SA) with two different degrees of derivatization (20% and 30%, mol/mol) were cross-linked with α,β-polyaspartylhydrazide (PAHy) to obtain INUPAHy hydrogels. Cross-linking was performed using N-ethyl-N-(3-dimethylaminopropyl)-carbodiimide hydrochloride (EDC) and N-hydroxysulfosuccinimide (NHSS) as coupling agents and by varying the reaction time (4 h, 8 h and ...