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Carboxymethyl Cellulose - Europe PMC

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Last Updated: 15 September 2022

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Depletion stabilization of emulsions based on bacterial cellulose/carboxymethyl chitosan complexes

At pH 9. 6, BC/CCS complexes in the continuous phase produced a long-range depletion-stabilization reaction that helped to stabilise emulsions. In addition, increasing BC concentration can increase the depletion effect of BC/CCS complexes, which has effectively stabilized emulsions. Also, with the change of pH to 7. 0, the interfacial adsorption layers at the oil-water interface blocked oil droplets from agglomerating, but did not demonstrate improved emulsion stability.

Source link: https://europepmc.org/article/MED/IND607859759


Encapsulation of Trichoderma harzianum with nanocellulose/carboxymethyl cellulose nanocomposite

For effectively encapsulating the plant biocontrol agent Trichoderma harzianum, this research recommends the use of green matrices of cellulose nanocrystals and a nanocomposite of CNC with carboxymethyl cellulose. Micrographs in the encapsulation matrices showed the T. harzianum spores. The results showed that CNC:CMC nanocomposites were promising tools for protecting and delivering microbial inoculants for agricultural applications.

Source link: https://europepmc.org/article/MED/IND607837412


Synthesis of lignin-modified cellulose nanocrystals with antioxidant activity via Diels–Alder reaction and its application in carboxymethyl cellulose film

Multifunctional polymers made from renewable organic substances have received a lot of attention. The Dielsu2013Alder reaction, as well as the natural antioxidant activity of lignin, was used to synthesize a renewable copolymer with the mechanical strength of cellulose nanocrystals and the natural antioxidant activity of lignin. In addition, solution casting had prepared carboxymethyl cellulose films containing lignin-modified CNCs. The lignin-modified CNCs endowed film with antioxidant capability, but it also contributed to increasing the tensile strength by 70%.

Source link: https://europepmc.org/article/MED/IND607502026


A self-healing carboxymethyl chitosan/oxidized carboxymethyl cellulose hydrogel with fluorescent bioprobes for glucose detection

As the fluorescent bioprobes were applied, gold nanoclusters and glucose oxidase were embedded into the CMCS/OCMC hydrogel matrix in this biosensing device. With a linearly detection range of 100 bcM to 5 mM and a detection limit of 0. 029 mM, which covered the level of glucose in clinical monitoring, the CMCS/OCMC hydrogel with fluorescent bioprobes demonstrated high sensitivity for glucose sensing. The AuNCs-CMCS/OCMC hydrogel in diabetic mice showed promise in both in vitro and in vivo fluorescence experiments, and in vitro fluorescence analysis showed that this biocompatible and self-healing hydrogel based on fluorescent sensing technology may be useful in an implantable biosensing zone for glucose monitoring.

Source link: https://europepmc.org/article/MED/IND607499543


Tolerant chitosan/carboxymethyl cellulose@calcium composite films on nylon fabric for high-flux water/oil separation

Nacre, a natural organicu2013inorganic composite with outstanding mechanical strength and oil repellency, is a popular organicu2013inorganic composite with outstanding mechanical strength and oil repellency. The deposited fabric can selectively remove pure and corrosive water from various oil-containing waters with desired separation efficiencies, high water flux, encouraging oil penetration pressure, and exceptional recyclability under the guidance of gravity. Especially because the NF can still exhibit high underwater oleophobia after repeatedly separating oil/corrosive water for 80 times.

Source link: https://europepmc.org/article/MED/IND607826036


Expandable carboxymethyl chitosan/cellulose nanofiber composite sponge for traumatic hemostasis

Carcinomethyl chitosan has hemostatic properties and high compatibility, according to studies. We manufacture an expandable hemostatic sponge by changing CMCS with cellulose nanofibrils using the CO-NH cross-linking procedure. The prepared carboxymethyl chitosan/cellulose nanofiber composite sponges were shown to absorb blood, expand to exert pressure in the wound, and exhibit excellent coagulation capability. In several hemorrhage models, the CNF-CMCS sponges significantly reduced the bleeding time and blood loss, and they had a huge advantage in treating deep penetrating injury hemorrhage.

Source link: https://europepmc.org/article/MED/IND607818414


A self-healing hydrogel based on oxidized microcrystalline cellulose and carboxymethyl chitosan as wound dressing material.

As the food processing by-products, hericium erinaceus residues, and pineapple peel are all excellent sources of cellulose and chitosan that can be converted into hydrogels for structuring a drug delivery system. Hydrogel is a new type biomaterial for drug delivery with excellent absorbent ability used in wound dressing, making it a new type of biomaterial for wound dressing. The cumulative release of the rutin-loaded hydrogel OMCM-54 reached 80% within 6 hours, showing the well-controlled release of rutin by the crosslinking degree between the modified OMCC and CMCS based on Schiff-base reactions.

Source link: https://europepmc.org/article/MED/36096253


Sequestration and toxicological assessment of emerging contaminants with polypyrrole modified carboxymethyl cellulose (CMC/PPY): Case of ibuprofen pharmaceutical drug.

Ibuprofen is a non-steroidal anti-inflammatory drug that is distributed in water bodies, resulting in toxic biological effects on living organisms. Initial concentration 10 mg/L, dosage 0. 02 g, and pH 7, with a filtration capacity of 72. 30 and removal of 83. 17 percent were calculated at the highest removal percentage of IBU by CMC/PPY composite at initial concentration 10 mg/L, dosage 0. 02 g, and pH 7. 07, with a maximum removal percentage of 83. 17 percent and removal of 83. 17 percent. As IBU molecules get adsorbed by CMC/PPY, the LC50 rises to 2325. 07 mg/L after adsorption. These results show that preparing a CMC/PPY composite could be sufficient to effectively eliminate pharmaceutical pollutant IBU from aqueous solutions with their toxicological analysis.

Source link: https://europepmc.org/article/MED/36089084


Improving carboxymethyl cellulose edible coating using ZnO nanoparticles from irradiated Alternaria tenuissima.

Both ZnONPs were then used to produce active Carboxymethyl Cellulose films by the casting method at two separate concentrations of ZnONPs 0. 55 percent and 1. 0%. The incorporation of ZnONPs in the Carboxymethyl Cellulose films had significantly reduced solubility, water vapor permeability, and oxygen transfer rate of the respective prepared films. In conclusion, the prepared Carboxymethyl Cellulose-ZnONPs films, which were not NPs, had improved performances in comparison to the Carboxymethyl Cellulose film without NPs. The developed Carboxymethyl Cellulose-ZnONPs films in this study were found to be highly useful as protective edible coating films of food products, with these advantages.

Source link: https://europepmc.org/article/MED/36070053


Influence of Hofmeister cations and composition on carboxymethyl cellulose stabilized o/w Pickering emulsions and application in the encapsulation of vitamin E

In the photographs of chitosan and CMC-Chotosan complex, thread-like morphology was discovered for CMC, but sponge-like morphology was seen in the CMC-Chilesan complex. Compared to systems controlled by either CMC or chitosan alone, the combination of CMC and chitosan resulted in a dynamic system with dramatic improvement in the emulsions' stability to both creaming and coalescence. At a particular oil:water ratio, the transitional phase inversion of emulsions by CMC coincided with increasing the concentration of NH 4 +, Mg 2+, and Ca 2+ Hofmeister cations, as well as Ca 2+ ions, whereas emulsions containing Na+ ions are o/w at all concentrations. An increase in contact angle as increasing the salt concentration was found, which may be responsible for the observed phase inversion.

Source link: https://europepmc.org/article/PPR/PPR540441

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions