Methyl cellulose solutions and gels: fibril formation and gelation properties

Coughlin, McKenzie L.; Liberman, Lucy; Ertem, S. Piril; Edmund, Jerrick; Bates, Frank S.; Lodge, Timothy P.

doi:10.1016/j.progpolymsci.2020.101324

Cited by 88 publications

(96 citation statements)

References 137 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The percolation of the semi-stiff fibril network contributes to the increased macroscopic gel stiffness and turbidity at elevated temperatures. The current knowledge of such thermally induced MC fibrillar aggregates and their significance on the MC gelation process has been comprehensively summarized in the recent reviews by Morozova and Coughlin et al [ 67 , 68 ].…”

Section: Methylcellulose and Cellulose Nanocrystalsmentioning

confidence: 99%

Methylcellulose–Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers

2021

View full text Add to dashboard Cite

Chemical modification of cellulose offers routes for structurally and functionally diverse biopolymer derivatives for numerous industrial applications. Among cellulose derivatives, cellulose ethers have found extensive use, such as emulsifiers, in food industries and biotechnology. Methylcellulose, one of the simplest cellulose derivatives, has been utilized for biomedical, construction materials and cell culture applications. Its improved water solubility, thermoresponsive gelation, and the ability to act as a matrix for various dopants also offer routes for cellulose-based functional materials. There has been a renewed interest in understanding the structural, mechanical, and optical properties of methylcellulose and its composites. This review focuses on the recent development in optically and mechanically tunable hydrogels derived from methylcellulose and methylcellulose–cellulose nanocrystal composites. We further discuss the application of the gels for preparing highly ductile and strong fibers. Finally, the emerging application of methylcellulose-based fibers as optical fibers and their application potentials are discussed.

show abstract

Section: Methylcellulose and Cellulose Nanocrystalsmentioning

confidence: 99%

Methylcellulose–Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers

2021

View full text Add to dashboard Cite

show abstract

“…Gelation upon heating is due to the self-assembly into fibrils of the MC polymer chains, with a remarkably consistent mean diameter, largely independent of the polymer concentration, molecular weight, and temperature of gelation. This fibrils formation starts over 50 °C [29].…”

Section: Edible Coating Rheologymentioning

confidence: 97%

“…Gelation upon heating is due to the y into fibrils of the MC polymer chains, with a remarkably consistent mean gely independent of the polymer concentration, molecular weight, and temelation. This fibrils formation starts over 50 °C [29]. enan is a hydrocolloid polysaccharide that belongs to the family of hydrosulphated galactans [30].…”

Section: Edible Coating Rheologymentioning

confidence: 99%

Frying Conditions, Methyl Cellulose, and K-Carrageenan Edible Coatings: Useful Strategies to Reduce Oil Uptake in Fried Mushrooms

Martínez-Pineda

Yagüe-Ruiz

Vercet

2021

Foods

View full text Add to dashboard Cite

Despite being widely consumed and appreciated, fried food has the unhealthy characteristic of high final oil content. Therefore, alternatives to reduce the oil uptake of fried products are being researched. The aim of this study was to investigate the effect of 0.5% methyl cellulose and 0.5% kappa-carrageenan edible films, as well as different frying procedure parameters, such as oil temperatures (from 150 to 180 °C), and thickness of slices (from 2 to 6 mm) on the oil uptake of whole fried mushrooms and their parts. The results showed a lower final oil content when lower frying temperature and thicker slices are applied. Hydrocolloid suspensions of methyl cellulose and kappa-carrageenan, used as edible coatings, were effective at reducing moisture evaporation and, consequently, oil uptake independently of the hydrocolloid temperature. A reduction of 10–22% in the final oil content was achieved. Adjusting the frying parameters and the use of methyl cellulose or kappa-carrageenan as an edible coating were useful strategies to reduce the oil uptake in fried products.

show abstract

“…Water molecules are known to interact with the hydrophobic methoxyl (-OCH 3 ) groups of methylcellulose (MC) through hydrogen bonding, forming cage-like structures that surround the -OCH 3 groups, effectively shielding them from the hydrophilic environment and causing MC to become water-soluble. As a result, intra-and intermolecular chain hydrophobic interactions form, resulting in gelation as the number of interactions increases, essentially creating a broad 'hydrophobicity cross-linked' network [31]. The involvement of -NH and -COO-ionizable groups, as well as hydrogen interactions produced by the functional -COOH and -OH groups, contribute to the formation of hydrogel (Scheme 1).…”

Section: Hydrogel Formation Mechanismsmentioning

confidence: 99%

Injectable Methylcellulose and Hyaluronic Acid Hydrogel containing silver nanoparticles for their effective anti-microbial and wound healing activity in nursing care for burn injuries in children

Jiang¹,

Han²,

Xu³

2021

Preprint

View full text Add to dashboard Cite

Currently, the synthesis of silver nanoparticles (AgNPs) was utilized for various life-saving biomedical applications. Herein, we report the synthesis and characterization of methylcellulose and hyaluronic acid (MC-HA) hydrogels containing AgNPs dressing materials were investigated for their wound healing efficiency to treat surgical excision wounds and the findings were studied and discussed. The effect of the ratio of AgNPs and MC-HA hydrogels on the gelation time, in vitro degradation, and equilibrium swelling of MC-HA/AgNPs hydrogels was examined. The prepared MC-HA hydrogels containing AgNPs were studied using various characterization techniques such as UV–Visible spectroscopy, Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). The MC-HA/AgNPs showed excellent antimicrobial activity against S. aureus and E. coli, respectively. Additionally, the superior wound recovering potential of AgNPs with MC-HA hydrogels compared to conventional formulations was illustrated in vitro in animals utilizing visual observations and histological study. The MC-HA/AgNPs hydrogels showed excellent antimicrobial activity and burn wound healing. Therefore, these MC-HA hydrogels containing AgNPs have great potential medicinal applications in nursing care in children after surgery.

show abstract

Methyl cellulose solutions and gels: fibril formation and gelation properties

Cited by 88 publications

References 137 publications

Methylcellulose–Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers

Methylcellulose–Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers

Frying Conditions, Methyl Cellulose, and K-Carrageenan Edible Coatings: Useful Strategies to Reduce Oil Uptake in Fried Mushrooms

Injectable Methylcellulose and Hyaluronic Acid Hydrogel containing silver nanoparticles for their effective anti-microbial and wound healing activity in nursing care for burn injuries in children

Contact Info

Product

Resources

About