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Carboxymethyl Cellulose - Springer Nature

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Last Updated: 15 November 2022

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Carboxymethyl cellulose modified reduced graphene oxide coated melamine sponge for efficient seawater evaporation

The dearth of fresh water sources and techniques to desalinate seawater have made it a worldwide problem. Solar water evaporation is a viable method for seawater purification to provide human with fresh water. Here, the carboxymethyl cellulose coated melamine sponge with low cost and excellent results was delivered by one-step decrease and a unique drying process for efficient seawater removal.

Source link: https://doi.org/10.1007/s10934-022-01290-6


Graphene oxide modified with carboxymethyl cellulose for high adsorption capacities towards Nd(III) and Ce(III) from aqueous solutions

Using tetraethyl orthosilicate as a linker for rapid and effective removal of Nd and Ce from aqueous solutions, this paper discusses a simple way to functionalize graphene oxide with sodium carboxymethyl cellulose. The GO2013CMC's sorption results were evaluated using Nd and Ce as absorbent materials, according to Nd and Ce. The thermodynamic results revealed that the sorption process of the two tested metal ions was both endothermic and spontaneous. The regenerated GOu2013CMC composite has a similar removal percentage to the original composite. These findings showed that the prepared composite could be used as an effective adsorbent for Nd and Ce from various multielement systems.

Source link: https://doi.org/10.1007/s10570-022-04862-6


Facile Removal of Methylene Blue Using Carboxymethyl Cellulose Grafted Polyacrylamide/Carbon Black Nanocomposite Hydrogel

In the present work, novel pH-sensitive nanocomposite hydrogels were created by grafting acrylamide onto carboxymethyl cellulose backbone using the free radical graft polymerization method for the decontamination of methylene blue from an aquatic medium. At 75% and 7. 5 percent respectively, with ideal results of acrylamide weight percentage and content of carbon black nanoparticles based on removal sensitivity based on removal effectiveness. According to Hyd and Hyd/CB, respectively, the removal rate under optimum conditions of pH 7, adsorbent dosage 1. 5 g/L, contact time 60 minutes, dye initial concentration 10 mg/L, and temperature 25 -u00b0C were calculated to be 86. 6 percent and 96. 68%.

Source link: https://doi.org/10.1007/s10924-022-02660-6


Anchoring Zero-Valent Cu and Ni Nanoparticles on Carboxymethyl Cellulose-Polystyrene–Block Polyisoprene–Block Polystyrene Composite Films for Nitrophenol Reduction and Dyes Degradation

Caroxymethyl cellulose is dispersed in polystyrene block polystyrene block polystyrene polymer to produce a composite film in the present study by a simple casting process followed by the adsorption of Cu and Ni ions from their respective salt solution. On the surface of CMC-PSIS, it was converted to their respective Cu° and Ni0 nanoparticles in aqueous medium containing NaBH_4 and was designated as CMC-PSIS/Cu and CMC-PSIS/Ni respectively. Both catalysts were applied as dip-catalyst in the presence of NaBH_4 as the reducing agent against the reduction/degradation of four model pollutants, including 4-nitrophenol, methylene blue, rhodamine B, and methyl orange dyes. Using CMC-PSIS/Cu, the MO degradation was at its highest rate constant value was recorded. MO degradation was also observed using Cu NPs, with the shortest reaction time, i. e.

Source link: https://doi.org/10.1007/s10924-022-02579-y


Ion Imprinted Sodium Alginate Hydrogel Beads Enhanced with Carboxymethyl Cellulose and β-Cyclodextrin to Improve Adsorption for Cu^2+

Three sodium alginate hydrogel beads including SA, SAC, and SAB beads were produced as different precursors, respectively, for effective adsorption and recycling of Cu2+ in wastewater using Cu2+ as template ion, glutaraldehyde as crosslinker, and thymine with carboxymethyl cellulose and u03b2 -cyclodextrin. When the mass ratio of SA to CMC or SA to u03b2 - CD hits 1:1, the SAC beads or SAB beads are nearly homogeneous sphere. Adding carboxymethyl cellulose and u03b2-cyclodextrin to the beads' skeleton of beads improved the beads' durability and increased the beads' adsorption capacity of Cu2+, according to the studies. The saturated adsorption capacity of Cu2+ on SAB and SAC was 817 mg/g and 822 mg/g, respectively, when compared to the saturated adsorption capacity of 510 mg/g of Cu 2+ on SA. Thus, SAC and SAB beads could be used as adsorption material for detecting and removing Cu2+ from wastewater.

Source link: https://doi.org/10.1007/s10924-022-02529-8


Modification of dry-gel synthesized MIL-100(Fe) with carboxymethyl cellulose for curcumin slow-release

In this paper, we investigated the impact of surface modification of MIL-100 with carboxymethyl cellulose and its structure in curcumin release at different pH. Curcumin was successfully embedded in MIL-100 in ethanol: water with a volume ratio of 1: 1 for 48 h to produce cur@MIL-100 and has drug loading capacities of 19. 267 mg/g, with drug loading capacity up to 792. 34 mg/g. Curcumin is released by 82. 21 percent in tween-PBS media pH 7. 4 at 48 h, with continuous results afterward. In a tween-PBS solution with pH 5. 8, and 7. 64 % in a tween-PBS solution pH 7. 4 at 48 h, a CPR of curcumin from cur@MIL-100@CMC 0. 02% reached 5. 94 u00b1 0. 02%.

Source link: https://doi.org/10.1007/s10965-022-03319-5


Carboxymethyl cellulose-NiO nanoparticles as peroxidase mimic for sensitive colorimetric detection of hydrogen peroxide

By cappping the incipient NiONps, CMC brought uniqueness to C_m-NiONps as the capping avoided any further agglomeration. Mimetic performance toward H_2O_2 oxidation of 3,3 u2019,5,5-u2019 tetramethyl benzidine produced a quick visual response within a very short time span of 1. 5 min. TMB deoxidation occurred on TMB with Michaelis' u2013Menten's behaviour toward both H_2O_2 and TMB, showing a high affinity for both H_2O_2 and TMB for both H_2O_2 and TMB. The presence of H_2O_2 particles in milk samples from local market and human serum could be confirmed by the colorimetric method.

Source link: https://doi.org/10.1007/s11696-022-02401-y


Development of antibacterial carboxymethyl cellulose/quaternized starch bionanocomposites based on cinnamon essential oil nanoemulsion for wound healing applications

Infectious diseases of skin wound u2013-based bacteria are a significant issue that delays the wound closure and delays the healing process. Skin wounds can be solved by using wound dressing based-renewable polymers with natural essential oil. Cytoxicity assays investigated polymer components' migration to the skin tissue and cytotoxic effect. The inhibiting effects of CIEO nanoemulsion ratios on various pathogenic microbes were also established. The growing bionanocomposites have opened the possibility of being used in smart skin wound dressings and biomedical applications.

Source link: https://doi.org/10.1007/s13399-022-03403-2


Fabrication of Grafted Carboxymethyl Cellulose Superabsorbent Hydrogel for Water Retention and Sustained Release of Ethephon in Sandy Soil

The current research sought to produce an effective superabsorbent hydrogel for water conservation and slow release of Ethephon in sandy soil. Moreover, the addition of 2% of hydrogel to sandy soil could have increased the water retention by 47 percent over a sandy soil that had less than 7% of water. The fabricated grafted hydrogel, according to the study, can act as a nutrient carrier and extension for sandy soil for advanced agricultural applications.

Source link: https://doi.org/10.1007/s13369-022-07352-w

* 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