Ultrasound in cellulose-based hydrogel for biomedical use: From extraction to preparation

Liu, Yanhao; Li, Shubin; Wang, Zhenyu; Wang, Lu

doi:10.1016/j.colsurfb.2022.112368

Cited by 18 publications

(5 citation statements)

References 173 publications

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“…The intermolecular hydrogen bonds among cellulose molecules are gradually destroyed, and finally cellulose is dissociated into nanofiber. Ultrasonic waves could promote aggregation between CNFs [ 13 ], which has an unfavorable effect on dispersion of CNFs. Therefore, we soaked durian rind-based cellulose in DMSO solution before ultrasonic treatment.…”

Section: Resultsmentioning

confidence: 99%

“…Chen et al prepared CNF from wood, bamboo, wheat straw and flax fibers with an ultrasonic power of 1000 W [ 12 ]. However, ultrasonic waves also promote aggregation between CNFs [ 13 ], and affect the dispersion of CNFs. Research has found that the interaction of cellulose molecules with low molecular weight liquids can greatly affect the physical and chemical processing of cellulose [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

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Green Preparation of Durian Rind-Based Cellulose Nanofiber and Its Application in Aerogel

et al. 2022

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In this study, a green, highly efficient and low energy consumption preparation method of cellulose nanofiber (CNF) was developed by using agricultural and forestry waste durian rinds as raw materials. The power of ultrasonic treatment was successfully reduced to only 360 W with low molecular weight liquid DMSO. The obtained durian rind-based CNF had a diameter of 8–20 nm and a length of several micrometers. It had good dispersion and stability in water, and could spontaneously cross-link to form hydrogel at room temperature when the concentration was more than 0.5%. The microscopic morphology and compressive properties of CNF aerogels and composite cellulose aerogels prepared from durian rind-based CNF were evaluated. It was found that CNF could effectively prevent the volume shrinkage of aerogel, and the concentration of CNF had a significant effect on the microstructure and mechanical properties of aerogel. The CNF aerogel with 1% CNF exhibited a sheet structure braced by fibers, which had the strongest compression performance. The porosity of CNF aerogels was high to 99%. The compressive strength of the composite cellulose aerogel with durian rind-based CNF was effectively enhanced.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Green Preparation of Durian Rind-Based Cellulose Nanofiber and Its Application in Aerogel

et al. 2022

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“…As a result of ultrasonic polymerization, hydrogels are characterized by a more averaged and reproducible particle size. This method can also function to support gelation used in other methods [14,15]. Ultrasonic treatment promotes the formation of hydrogen bonds between the molecules [9].…”

Section: Introductionmentioning

confidence: 99%

Thermal and Modern, Non-Thermal Method Induction as a Factor of Modification of Inulin Hydrogel Properties

Florowska,

Florowski,

Kruszewski

et al. 2023

Foods

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The aim of the study was to compare the properties of inulin hydrogels obtained with different methods, e.g., the traditional–thermal method and new, non-thermal methods, used in food production, like ultrasonic, high-pressure homogenization (HPH), and high hydrostatic pressures (HHPs). It was found that each of the compared induction methods allowed for obtaining inulin hydrogels. However, the use of non-thermal induction methods allows for obtaining a gel structure faster than in the case of thermal induction. In addition, hydrogels obtained with new, non-thermal methods differ from gels obtained with thermal treatment. They were characterized by higher stability (from 1.7 percent point-of-stability parameters for HHP 150 MPa to 18.8 for HPH II cycles) and in most cases, by improved microrheological properties–lower solid–liquid balance toward the solid phase, increased elasticity and viscosity indexes, and lowering the flow index. The gels obtained with the new, non-thermal method were also characterized by a more delicate structure, including lower firmness (the differences between thermal and non-thermal inductions were from 0.73 N for HHP at 500 MPa to 2.39 N for HHP at 150 MPa) and spreadability (the differences between thermal and non-thermal inductions were from 7.60 Ns for HHP at 500 MPa to 15.08 Ns for HHP at 150 MPa). The color of ultrasound-induced inulin gels, regarding the HPH and HHP technique, was darker (the differences in the L* parameter between thermal and non-thermal inductions were from 1.92 for HHP at 500 MPa to 4.37 for 10 min ultrasounds) and with a lower a* color parameter (the differences in the a* parameter between thermal and non-thermal inductions were from 0.16 for HHP at 500 MPa to 0.39 for HPH II cycles) and b* color parameter (the differences in the b* parameter between thermal and non-thermal inductions were from 1.69 for 5 min ultrasounds to 2.68 for HPH II cycles). It was also found that among the compared induction methods, the high-pressure technique has the greatest potential for modifying the properties of the created inulin hydrogels. Thanks to its application, depending on the amount of applied pressure, it was possible to obtain gels with very different characteristics, both delicate (i.e., soft and spreadable), using HHP at 150 MPa, and hard, using HHP at 500 MPa, the closest in characteristics to gels induced with the thermal method. This may allow the properties of hydrogels to be matched to the characteristics of the food matrix being created.

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“…It is an organic polysaccharide compound consisting of a linear chain of several hundred to many thousand β-1,4 glycosidic linkages D-glucose units (Kang et al 2015). The membranes made of cellulose fibers are both chemically and mechanically stable with many applications in various industry and medicine branches (Liu et al 2022b). However, due to its difficult dissolution, there are limited physiologically relevant or pharmaceutically clinical applications for this polymer.…”

Section: Introductionmentioning

confidence: 99%

Polymer-modified regenerated cellulose membranes: following the atom transfer radical polymerization concepts consistent with the principles of green chemistry

Zaborniak

Chmielarz

2022

Cellulose

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Synthetic routes for functionalization of cellulose membranes by polymer chains characterized by controlled structures are constantly developed to precisely adjust the properties of the prepared material while minimizing the impact on the membrane performance. The review presents a critical and integrative evaluation of prior research on atom transfer radical polymerization (ATRP) techniques, emphasizing methods carried out with diminished catalyst concentration that were used for grafting polymers from cellulose membranes. The paper introduces cellulose as a naturally-derived and efficient material for filtration membrane production focusing on the fundamentals of the cellulose structure, and the reasons, and advantages of using cellulose as a membrane-built substrate. It also covers fundamental mechanistic aspects of ATRP and introduces the basic principles of low ppm ATRP methods focusing on the latest reports. The works up to date concerning the functionalization of cellulose membranes by the “classic” ATRP concept, paying attention to the concentration of the complex used and synthetic methodology, as well as the final properties of the obtained materials are shown. Subsequent, low ppm ATRP techniques are discussed against the background of the “classic” approach in synthesizing bioactive surfaces and functional biomaterials based on the structure of cellulose membranes, with emphasis on the advantages of methods with diminished catalyst level as a more cost-effective and thus more compatible to use in a commercial application. The present work is a concise and perspective review, which shows both the achievements to date and broad prospects for the development of this issue in the coming years. Graphical Abstract

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Ultrasound in cellulose-based hydrogel for biomedical use: From extraction to preparation

Cited by 18 publications

References 173 publications

Green Preparation of Durian Rind-Based Cellulose Nanofiber and Its Application in Aerogel

Green Preparation of Durian Rind-Based Cellulose Nanofiber and Its Application in Aerogel

Thermal and Modern, Non-Thermal Method Induction as a Factor of Modification of Inulin Hydrogel Properties

Polymer-modified regenerated cellulose membranes: following the atom transfer radical polymerization concepts consistent with the principles of green chemistry

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