2022
DOI: 10.3390/polym14122489
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Fabrication of Electrospun Xylan-g-PMMA/TiO2 Nanofibers and Photocatalytic Degradation of Methylene Blue

Abstract: Herein, xylan-g-PMMA was synthesized by grafting poly(methyl methacrylate) (PMMA) onto xylan and characterized by FT-IR and HSQC NMR spectroscopies, and the xylan-g-PMMA/TiO2 solution was used to electrospun nanofibers at the voltage of 15 Kv, which was the first time employing xylan to electrospun nanofibers. Moreover, the electrospinning operating parameters were optimized by assessing the electrospinning process and the morphology of electrospun fibers, as follows: the mixed solvent of DMF and chloroform in… Show more

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Cited by 7 publications
(5 citation statements)
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“…Conventional TDDS and transdermal patches have been designed for the delivery of drugs through the skin and can be used as a desired alternative to oral drug delivery. Besides the advantages of TDDs, such as dose fluctuation reduction, an improved efficacy of medications, stabilized drug diffusion profile and a greater bioavailability than systemic administration, only hydrophobic medications with low concentrations could successfully penetrate the depth of the skin, and the penetration of large hydrophilic drugs through the skin is still challenging [10]. Nanodrug delivery systems are recently increasing in popularity, as they show potential to be safer, more effective and require lower-cost drug formulations than micro-and macroscale counterparts [27].…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…Conventional TDDS and transdermal patches have been designed for the delivery of drugs through the skin and can be used as a desired alternative to oral drug delivery. Besides the advantages of TDDs, such as dose fluctuation reduction, an improved efficacy of medications, stabilized drug diffusion profile and a greater bioavailability than systemic administration, only hydrophobic medications with low concentrations could successfully penetrate the depth of the skin, and the penetration of large hydrophilic drugs through the skin is still challenging [10]. Nanodrug delivery systems are recently increasing in popularity, as they show potential to be safer, more effective and require lower-cost drug formulations than micro-and macroscale counterparts [27].…”
Section: Discussionmentioning
confidence: 99%
“…Electrospun fiber can be produced with remarkable properties, namely high surface area, surface nanopores, surface capability for physical and chemical activation as well as tailored physical and mechanical properties, which make them suitable nanosystems for drug or gene delivery; moreover, the fiber mesh shows macroscale cues by acting as a 3D system useful for wound dressing and tissue engineering [29]. The three-dimensional (3D) porous structure deriving from the arrangement into highly dense ultrafine fiber or nanofiber meshes allows molecules to be released from the polymer matrix with distinct release features [10]. Another explored way for nanodrug delivery is through NPs; therefore, the combination of nanofibers with NPs can be a versatile method to assemble diverse nanodrug delivery systems.…”
Section: Discussionmentioning
confidence: 99%
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“…The catalytic activity of Cu@MoS 2 @ECN was evaluated by testing its removal performance on methylene blue (MB) in an aqueous solution. 23 In a standard catalytic degradation process, the concentration of MB solution was controlled to 10 mg L −1 , the solution volume was 20 mL, the initial pH was 6, the amount of catalyst was calculated from area 2 cm × 1 cm, the amount of H 2 O 2 was 10 mM, the amount of reducing agent NH 2 OH·HCl was 0.5 g L −1 , the reaction temperature was 25 °C, and the speed of the shaking table was 120 rpm. In the evaluation process of catalytic performance, the removal rate of MB was obtained by measuring the absorbance of the solution before and after the reaction by using a UV-vis spectrophotometer.…”
Section: Methodsmentioning
confidence: 99%
“…The composite gel exhibited the highest photodegradation ratio of over 90% at pH=10. These phenomena were possible due to the fact that excess of OH − anions facilitated photogeneration of hydroxyl radicals, which enhanced the rate of degradation [23,24].…”
Section: Photocatalytic Degradationmentioning
confidence: 99%