Bilayer-Structured Regenerated Cellulose/Chitosan Films Prepared with Ionic Liquid

Tanjung, Faisal Amri; Arifin, Yalun; Abdullah, Abdul Hamid; Tahir, Inayatullah

doi:10.22146/ijc.24310

Cited by 4 publications

(2 citation statements)

References 30 publications

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“…However immobilization of elemental sulfur on chitosan film tailored onto rice-husk-ash pellet has not much been known, although chitosan has been known as a stabilizer and a template in the preparation immobilized colloidal metal nanoparticles on titania [18][19][20]. Chitosan also has been proven to form a compatible film for wide applications [21][22][23]. This study aims to explore the effect of various immobilized sulfur on the mercury vapor uptake in a mini gas reactor.…”

Section: ■ Introductionmentioning

confidence: 99%

Immobilization of Sulfur from Different Precursors on Mini Rice-Husk-Ash Pellet Coated Chitosan Film and the Application for Mercury Vapor Uptake

et al. 2019

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Stabilizing elemental mercury using elemental sulfur has been a laboratory standard method but the studies in gas system are still growing. This study aims to explore the effect of different type immobilized sulfurs toward the mercury vapor uptake in a mini gas reactor. Sulfur powder, sulfur dissolved in carbon disulfide and colloidal sulfur from sodium thiosulfate-hydrochloric acid were immobilized on mini rice-husk-ash pellets that were previously coated with chitosan film. The average thinness of chitosan film was 58 µm covered the each pellet surface with dimension of 3 mm Ø x 4 mm. The trends of the mercury uptake and the rate of absorption were described as follow; Pellet-Scolloid > Pellet-SCS2 > Pellet-Spowder. The mean percentages of mercury uptake after 1 h running at 70oC were 99.36; 89.09 and 75.00 respectively. The reverse trends were observed for the size of S-particle aggregation and the amount of S found on the pellet surface.

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Section: ■ Introductionmentioning

confidence: 99%

Immobilization of Sulfur from Different Precursors on Mini Rice-Husk-Ash Pellet Coated Chitosan Film and the Application for Mercury Vapor Uptake

et al. 2019

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“…Oxidized regenerated cellulose-based biomaterials has the potential to be satisfied with these requirements. Regenerated cellulose is a kind of materials processed by the conversion of natural cellulose to a soluble cellulosic derivative and subsequent regeneration, typically forming either a fiber (via polymer spinning) or a film (via polymer casting) [5,6]. Regenerated cellulose can be used as a functionally active biomolecule which primarily due to the abundant hydroxyl groups in the cellulose molecule, oxidized to obtain the oxidation regenerated cellulose-based materials with varying multiple structures and performance to act as a platform for advanced tissue engineering [7,8].…”

mentioning

confidence: 99%

Oxidized Regenerated Cellulose-Based Biomaterial and Its Application in Tissue Engineering

Li¹

2019

TTEFT

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Injured tissues and organs are an importantly issues in healthcare, which, in some cases, cannot be addressed using traditional medical intervention [1,2]. There is a require for a new kinds of biomaterial with suitable properties for tissue engineering, derived from a sustainable source, and which needs minimal processing to obtain cell viability for biomedical application [3,4]. Oxidized regenerated cellulose-based biomaterials has the potential to be satisfied with these requirements. Regenerated cellulose is a kind of materials processed by the conversion of natural cellulose to a soluble cellulosic derivative and subsequent regeneration, typically forming either a fiber (via polymer spinning) or a film (via polymer casting) [5,6]. Regenerated cellulose can be used as a functionally active biomolecule which primarily due to the abundant hydroxyl groups in the cellulose molecule, oxidized to obtain the oxidation regenerated cellulose-based materials with varying multiple structures and performance to act as a platform for advanced tissue engineering [7,8]. Selective oxidation of regenerated cellulose not only transforms the structure of regenerate cellulose, but also provides many new functions to oxidized regenerated cellulose-based biomaterials [9,10]. Importantly, oxidized regenerated cellulose has aldehyde group and carboxyl group in the molecular chain which can react with other groups of functional materials and biological activity material [11,12] and improve the advantage of the oxidized regenerated cellulose in biomedical field. Furthermore, oxidized regenerated cellulose produce new function like natural degradation greatly expand the application field of the cellulose (green renewable materials). Oxidized regenerated cellulose-based biomaterials can be made to the biomedical textiles such as suture [13], hemostatic gauze [12] and wound dressing [14,15]. In order form the absorbable biomaterial, the regenerated cellulose need be oxidized nitrogen tetroxide (N 2 O 4 ) or nitroxyl radicals, such as 2,2,6,6-tetramethylpyperidine-1-oxyl (TEMPO). During this oxidation process, we can obtain the oxidized regenerated cellulose with difference carboxyl contents which can improve the antibacterial and biodegradable of oxidized regenerated cellulose-based biomaterials. For degradation process of oxidized regenerated cellulose, it can dissolve and disappearing from the site of implantation by firstly hydrating and swelling into a gel-like material Importantly, the oxidized regenerated cellulose-based biomaterials can perform an appropriate host response in a specific application which mainly attribute to the characteristics of non-toxic and good biocompatibility. Due to the obviously

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Insights into chitosan-based cellulose nanowhiskers reinforced nanocomposite material via deep eutectic solvent in green chemistry

Chang

Mubarak

Karri

et al. 2023

Environmental Research

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Bilayer-Structured Regenerated Cellulose/Chitosan Films Prepared with Ionic Liquid

Abstract: ABSTRACT

Cited by 4 publications

References 30 publications

Immobilization of Sulfur from Different Precursors on Mini Rice-Husk-Ash Pellet Coated Chitosan Film and the Application for Mercury Vapor Uptake

Immobilization of Sulfur from Different Precursors on Mini Rice-Husk-Ash Pellet Coated Chitosan Film and the Application for Mercury Vapor Uptake

Oxidized Regenerated Cellulose-Based Biomaterial and Its Application in Tissue Engineering

Insights into chitosan-based cellulose nanowhiskers reinforced nanocomposite material via deep eutectic solvent in green chemistry

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