Properties of modified carboxymethyl cellulose and its use as bioactive compound

Basta, Altaf H.; El‐Saied, Houssni; El-Deftar, Mervat M.; Elhenawy, Ahmed A.; El-Sheikh, Hussein H.; Abdel-Shakour, Essam H.; Hasanin, Mohamed S.

doi:10.1016/j.carbpol.2016.07.051

Cited by 46 publications

(18 citation statements)

References 47 publications

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“…Recently study, the synthesized cellulose CMC-APP derivative in the nanoparticles have significant activity on microorganisms and MCF-7 breast cancer (Basta et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Enhancing the in vitro anticancer activity of albendazole incorporated into chitosan-coated PLGA nanoparticles

Kang

Choi

Lee

et al. 2017

Carbohydrate Polymers

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“…Recently study, the synthesized cellulose CMC-APP derivative in the nanoparticles have significant activity on microorganisms and MCF-7 breast cancer (Basta et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Enhancing the in vitro anticancer activity of albendazole incorporated into chitosan-coated PLGA nanoparticles

Kang

Choi

Lee

et al. 2017

Carbohydrate Polymers

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“…CMC initiated the process at lower temperatures compared to cellulose because of possible decomposition through decarboxylation. According to Basta et al (2016) and Yadollahi and Namazi (2013) the presence of a second peak between 250 and 400°C may be related to the decarboxylation and decomposition of cellulose, and the occurrence of a third-stage peak above 700°C is related to the rapid volatilization and oxidation of char and formation of Na 2 CO 3 . Table 3 shows that the onset temperature of the 2nd event (the thermal degradation of cellulose) was 268°C for CMC, which thus, agrees with the data found in the literature (Basta et al 2016;Yadollahi and Namazi 2013).…”

Section: Characterization Of Nfc-cmc Suspensionmentioning

confidence: 99%

“…According to Basta et al (2016) and Yadollahi and Namazi (2013) the presence of a second peak between 250 and 400°C may be related to the decarboxylation and decomposition of cellulose, and the occurrence of a third-stage peak above 700°C is related to the rapid volatilization and oxidation of char and formation of Na 2 CO 3 . Table 3 shows that the onset temperature of the 2nd event (the thermal degradation of cellulose) was 268°C for CMC, which thus, agrees with the data found in the literature (Basta et al 2016;Yadollahi and Namazi 2013). The values of T onset of the CMCcontaining NFC suspension were low (273-275°C) when compared to that of pure NFC-US60 (283°C) and slightly higher than that of CMC (268°C) and demonstrate the contribution of both the bacterial cellulose fibers and carboxymethyl cellulose components in the thermal properties of CMC-containing NFC suspension.…”

Section: Characterization Of Nfc-cmc Suspensionmentioning

confidence: 99%

Stable microfluidized bacterial cellulose suspension

et al. 2019

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In this work, nanofibrillated suspensions of bacterial cellulose (BC) were produced via microfluidization. The effects of the size of the openings of the microfluidizer chamber and ultrasonication on the nanofibril properties were evaluated. The results of the X-ray diffraction analysis indicated a considerable reduction in BC crystallinity (86-65%) and crystallite size (5.8-4.0 nm) after microfluidization and ultrasonication. Thermal analysis showed a remarkable reduction from 337 to 283°C in the initial temperature of degradation along the several steps of BC deconstruction. Moreover, infrared analysis indicated that both processes led to an increase in the I b content (43-66%) of the fibers. Morphological analysis showed that the fibrillation process used exposed the internal faces of the ribbon-like nanofibrils, and thus, increased the surface area of the cellulose network, and produced fibers with a high aspect ratio (L/d). A thermally stable nanofibrillated suspension could be obtained by adding carboxymethyl cellulose as a simple and effective way to maintain cellulose fibers dispersed in the solution during sterilization by autoclaving.

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“…The 2 nd weight loss may be related to decarboxylation and decomposition of cellulose, it includes dehydration, rearrangement, formation of carboxyl and carbonyl groups, evolution of CO 2 and CO and formation of carbonaceous char. This stage is known as volatilization or decomposition stage [20]. DAC 3 could be divided into four major reaction steps.…”

Section: Thermal Analysis Of Cellulose Thermogravimetric Analysis (Tgmentioning

confidence: 99%

Amphiphilic Cellulose as Stabilizer for Oil/ Water Emulsion

2017

Egypt. J. Chem.

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N THIS work, amphiphilic ethyl amino-cellulose as oil/water emulsion stabilizer was prepared from cellulose extracted from bleached bagasse pulp. By periodate oxidation of cellulose the corresponding C-2/C-3 dialdehyde cellulose produced, which reacted with ethyl amine to obtain ethyl amino-cellulose (amphiphilic cellulose) through Schiff's base reaction (reductive amination). The produced ethyl-amino cellulose has a great attention in soybean oil/ water stabilization. The amphiphilic cellulose was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction, Transmission electron microscopy (TEM), Thermal gravimetric analysis (TGA), and Differential scanning calorimetry (DSC). Fourier transform infrared spectroscopy has been proved the incorporation of soybean oil in ethyl amino-cellulose as there is new groups appeared in the Fourier transform infrared spectra of the prepared emulsion. TEM was used to prove the nano-size of the prepared samples. TGA and DSC proved the thermal stability and melting temperature. The prepared sample was successfully applied as a stabilizer for soybean oil in water emulsion.

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Properties of modified carboxymethyl cellulose and its use as bioactive compound

Cited by 46 publications

References 47 publications

Enhancing the in vitro anticancer activity of albendazole incorporated into chitosan-coated PLGA nanoparticles

Enhancing the in vitro anticancer activity of albendazole incorporated into chitosan-coated PLGA nanoparticles

Stable microfluidized bacterial cellulose suspension

Amphiphilic Cellulose as Stabilizer for Oil/ Water Emulsion

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