Citric acid cross-linked regenerated bacterial cellulose as ...
2023年9月19日 · Further addition of citric acid (CA) enhances its mechanical property and degradability, resulting in a CA-cross-linked regenerated cellulose film (CA 15% -RC) with a fracture strength of 93.40 MPa and Young’s modulus of 4.2 GPa, which behaves better in food preservation than commercial PVC plastic wrap.
Bacterial cellulose nanofibrous aerogels grafted with citric acid …
2023年11月29日 · BC nanofibers were selected as building blocks to construct NFA substrate through chemical cross-linking. Citric acid (CA) was grafted on BC NFAs to generate protein absorbents under the catalysis of polyphosphoric acid (PPA).
Citric acid: A green cross-linker of biomaterials for biomedical ...
2021年3月5日 · Biomaterials that are cross-linked with citric acid (CA), also called citrate-based biomaterials (CBBs), have exhibited advanced in-vitro and in-vivo material properties that make them suitable for various biomedical applications. Tunable mechanical properties, biocompatibility, and biofunctionality are among other factors that make CBBs ...
Exploring citric acid cross-linking: achieving optimal ... - Springer
2024年12月3日 · This study investigates the cross-linking mechanism’s ability to modify and enhance material properties, particularly in biopolymer applications. Although cross-linking offers numerous advantages, precise control over the cross-linking level is essential for achieving optimal properties and reducing undesirable effects. We explored the multifunctional effects of citric acid (CA) as a cross ...
Crosslinked bacterial cellulose hydrogels for biomedical …
2022年8月15日 · Bacterial cellulose membranes produced by the species K. rhaeticus were crosslinked with two different compounds (Citric Acid (CA) and Epichlorohydrin (ECH)) using different percentages, to determine the crosslinking procedure that results in the best physical properties of the membranes for biomedical applications.
Citric Acid: Properties, Microbial Production, and Applications in ...
As a cross-linking agent, citric acid strengthens bonds by incorporating covalent bonds that complement intermolecular hydrogen bonds, improving the resistance of starch films to moisture. ... Fijałkowski K. Significant enhancement of citric acid production by Yarrowia lipolytica immobilized in bacterial cellulose-based carrier. J. Biotechnol ...
Chemical modifications of kombucha SCOBY bacterial cellulose …
Purified kombucha bacterial cellulose films were modified by treatment with citric acid, citric acid - starch and alkyl/aryl diisocyanates in an attempt to improve the properties. Citric acid as well as citric acid - starch cross-linking resulted a decrease in tensile strength in comparison to the original bacterial cellulose film, thus citric ...
Citric Acid‐Crosslinked Highly Porous Cellulose Nanofiber Foam …
2022年9月2日 · In this study, cellulose nanofiber (CNF) foams are prepared by an environment-friendly, time-saving, and simple process using bio-based citric acid (CA) as a green crosslinking agent. Scanning electron microscope and Fourier transform infrared spectroscopy examine the foam morphology and confirm the crosslinking.
Citric Acid Cross-Linked Nanocellulose-Based Paper for Size …
2015年2月25日 · This article explores the effect of cross-linking of nanocellulose with citric acid for the development of novel paper filters for potential application within nanofiltration, including sterile (virus) filtration.
Superabsorbent crosslinked bacterial cellulose biomaterials for …
2021年2月1日 · In this work, we present a novel ex situ modification of bacterial cellulose (BC) polymer, that significantly improves its ability to absorb water after drying. The method involves a single inexpensive and easy-to-perform process of BC crosslinking, using citric acid along with catalysts, such as di …