Preparation of Self-supporting Bagasse Cellulose Nanofibrils Hydrogels Induced by Zinc Ions

Lü, Peng; Liu, Ren; Liu, Xin; Wu, Min

doi:10.3390/nano8100800

Cited by 38 publications

(29 citation statements)

References 41 publications

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“…Thus, nanocellulose hydrogels have great potential as a smart packaging material. Lu et al (2018) showed a CNF hydrogel indicator that was exposed to fresh-cut fruits [131]. The study showed that the changes in color from dark green, which indicated a still fresh fruit, to an orange yellow that indicated that it had already spoiled after two days, as shown in Figure 8.…”

Section: Potential Applications Of Opefb Nanocellulose Hydrogelmentioning

confidence: 97%

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Potential of Oil Palm Empty Fruit Bunch Resources in Nanocellulose Hydrogel Production for Versatile Applications: A Review

et al. 2020

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Oil palm empty fruit bunch (OPEFB) is considered the cheapest natural fiber with good properties and exists abundantly in Malaysia. It has great potential as an alternative main raw material to substitute woody plants. On the other hand, the well-known polymeric hydrogel has gathered a lot of interest due to its three-dimensional (3D) cross-linked network with high porosity. However, some issues regarding its performance like poor interfacial connectivity and mechanical strength have been raised, hence nanocellulose has been introduced. In this review, the plantation of oil palm in Malaysia is discussed to show the potential of OPEFB as a nanocellulose material in hydrogel production. Nanocellulose can be categorized into three nano-structured celluloses, which differ in the processing method. The most popular nanocellulose hydrogel processing methods are included in this review. The 3D printing method is taking the lead in current hydrogel production due to its high complexity and the need for hygiene products. Some of the latest advanced applications are discussed to show the high commercialization potential of nanocellulose hydrogel products. The authors also considered the challenges and future direction of nanocellulose hydrogel. OPEFB has met the requirements of the marketplace and product value chains as nanocellulose raw materials in hydrogel applications.

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Section: Potential Applications Of Opefb Nanocellulose Hydrogelmentioning

confidence: 97%

“…Color changes detected by the cellulose nanofibrils hydrogel indicator. The figure above was adapted with permission from the cited reference[131].…”

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confidence: 99%

Potential of Oil Palm Empty Fruit Bunch Resources in Nanocellulose Hydrogel Production for Versatile Applications: A Review

et al. 2020

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“…The surface configuration of the CNF film exhibited a uniform network structure, which indicated that the CNFs distributed randomly on the surface with no large-scale agglomeration, [33] as shown in Figure 6A. Nevertheless, as shown in Figure 6B, the CNFs/RGO (18) composite film displayed an extremely coarse surface, and the graphene lamellae with wrinkles replaced the network structure.…”

Section: Characterization Of the Cnf Film And Cnfs /Go (N) And Cnfsmentioning

confidence: 94%

Fabrication and electrochemical properties of flexible transparent supercapacitor electrode materials based on cellulose nanofibrils and reduced graphene oxide

et al. 2019

Polymer Composites

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In this research, flexible transparent supercapacitor electrode materials were fabricated using cellulose nanofibrils (CNFs) and reduced graphene oxide (RGO) via a layer‐by‐layer (LbL) self‐assembly method. First, a transparent film was obtained by vacuum filtration of a CNF suspension, which was isolated from bamboo materials using a combination of 2,2,6,6‐tetramethylpiperidin‐1‐oxyl radical catalytic oxidation and ultrasonic treatment. Subsequently, graphene oxide (GO) was deposited on the surface of the CNF film using Cu2+ as a cross‐linking agent via the LbL self‐assembly technique and then was reduced by L‐ascorbic acid under mild reaction conditions. The degree of reduction of the GO on the CNF film surface was investigated by X‐ray photoelectron spectroscopy (XPS), Raman spectroscopy (Raman), and Fourier transform infrared spectroscopy (FT‐IR); concurrently, the effect of the number of self‐assembly times on the transparency, mechanical properties, and conductivity was also evaluated. The XPS, Raman, and FT‐IR spectral analyses proved that the CNFs/GO composite films were successfully reduced to CNFs/RGO composite films, of which the transparency and mechanical properties decreased with the increase in the number of self‐assembly times, while the conductivity remarkably raised. Based on the analysis of the results, the CNFs/RGO composite film obtained after 18 self‐assembly cycles exhibited excellent transparency, good tensile strength, and a high conductivity. Therefore, the CNFs/RGO composite film was selected to fabricate a supercapacitor electrode material, and the obtained supercapacitor displayed excellent electrochemical properties, in which the areal specific capacitance was 2.25 mF cm−2 at a current density of 0.01 mA cm−2 and the capacitance retention reached 97.3% after 1500 cycles. The presented strategy provides a good reference for the development of transparent and portable energy storage devices.

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“…The binding of calcium ions to CSP molecules can inhibit this process (Zhang, Zhao, Lai, Chen, & Yang, 2018). In bagasse, zinc ions can induce the formation of cellulose nanofibrillar hydrogels (Lu, Liu, Liu, & Wu, 2018). Moreover, gelation of fish proteins has attracted interest due to its application in structured food products.…”

Section: Interaction Phenomena and Complexesmentioning

confidence: 99%

Investigation of food microstructure and texture using atomic force microscopy: A review

Wen

Liu

et al. 2020

Comp Rev Food Sci Food Safe

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We review recent applications of atomic force microscopy (AFM) to characterize microstructural and textural properties of food materials. Based on interaction between probe and sample, AFM can image in three dimensions with nanoscale resolution especially in the vertical orientation. When the scanning probe is used as an indenter, mechanical features such as stiffness and elasticity can be analyzed. The linkage between structure and texture can thus be elucidated, providing the basis for many further future applications of AFM. Microstructure of simple systems such as polysaccharides, proteins, or lipids separately, as characterized by AFM, is discussed. Interaction of component mixtures gives rise to novel properties in complex food systems due to development of structure. AFM has been used to explore the morphological characteristics of such complexes and to investigate the effect of such characteristics on properties. Based on insights from such investigations, development of food products and manufacturing can be facilitated. Mechanical analysis is often carried out to evaluate the suitability of natural or artificial materials in food formulations. The textural properties of cellular tissues, food colloids, and biodegradable films can all be explored at nanometer scale, leading to the potential to connect texture to this fine structural level. More profound understanding of natural food materials will enable new classes of fabricated food products to be developed.

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Preparation of Self-supporting Bagasse Cellulose Nanofibrils Hydrogels Induced by Zinc Ions

Cited by 38 publications

References 41 publications

Potential of Oil Palm Empty Fruit Bunch Resources in Nanocellulose Hydrogel Production for Versatile Applications: A Review

Potential of Oil Palm Empty Fruit Bunch Resources in Nanocellulose Hydrogel Production for Versatile Applications: A Review

Fabrication and electrochemical properties of flexible transparent supercapacitor electrode materials based on cellulose nanofibrils and reduced graphene oxide

Investigation of food microstructure and texture using atomic force microscopy: A review

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