Solution blow spun poly(lactic acid)/hydroxypropyl methylcellulose nanofibers with antimicrobial properties

Bilbao‐Sainz, Cristina; Chiou, Bor‐Sen; Valenzuela-Medina, Diana; Du, Wenjie; Gregorski, Kay S.; Williams, Tina; Wood, Delilah F.; Glenn, Greg; Orts, William J.

doi:10.1016/j.eurpolymj.2014.02.004

Cited by 58 publications

(34 citation statements)

References 24 publications

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“…Also, a band correspondent to CCH 3 vibrations is present around 1,041 cm −1 . Bands at 865 and 754 cm −1 are attributed to the amorphous and crystalline phase of PLA, respectively .…”

Section: Resultsmentioning

confidence: 99%

Biocompatible reinforcement of poly(Lactic acid) with graphene nanoplatelets

Gonçalves¹,

Pinto

Machado

et al. 2016

Polymer Composites

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A recently made available form of graphene nanoplate-lets (GNP-C) is investigated for the first time as reinforcement filler for PLA. GNP-C, with thickness of about 2 nm and length 1-2 m, was incorporated at different loadings (0.1-0.5 wt%) in poly(lactic acid) (PLA) by melt blending. The effect of varying mixing time and mixing intensity was studied and the best conditions were identified, corresponding to mixing for 20 min at 50 rpm and 180 º C. Thermal analysis (differential scanning calorimetry and thermogravimetric analysis) indicated no relevant differences between pristine PLA and the composites. However, the rate of thermal degradation increased with loading, due to the dominant effect of heat transfer enhancement over mass transfer hindrance. Raman spectroscopy allowed confirming that increasing graphene loading or decreasing mixing time translates into higher nanoplatelet agglomeration, in agreement with the observed mechanical performance and scanning electron microscopy imaging of the composites. The composites exhibited maximum mechanical performance at a loading of 0.25 wt%: 20% increase in tensile 2 strength, 12% increase in Young's modulus, and 16% increase in toughness. The incorporation of 0.25 wt% GNP-C did not affect human fibroblasts (HFF-1) metabolic activity or morphology.

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Section: Resultsmentioning

confidence: 99%

Biocompatible reinforcement of poly(Lactic acid) with graphene nanoplatelets

Gonçalves¹,

Pinto

Machado

et al. 2016

Polymer Composites

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“…57 Polymer fibers have also been created with SBS for antibacterial activity using biopolymers, PLA/polyvinylpyrrolidone (PVP) blends, and chitosan/PLA/PEG blends loaded with antibacterial additives. 56,67,68 Controlled drug delivery has been achieved using nanostructured membranes and core–shell fibers. 69,70 Desorption was determined to be the limiting factor in release of a hydrophobic drug, and poragens such as PEG were used to control release rate.…”

Section: Sbs Applications and Innovationsmentioning

confidence: 99%

A Review of the Fundamental Principles and Applications of Solution Blow Spinning

Daristotle

Behrens

Sandler

et al. 2016

ACS Appl. Mater. Interfaces

321

242

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Solution blow spinning (SBS) is a technique that can be used to deposit fibers in situ at low cost for a variety of applications, which include biomedical materials and flexible electronics. This review is intended to provide an overview of the basic principles and applications of SBS. We first describe a method for creating a spinnable polymer solution and stable polymer solution jet by manipulating parameters such as polymer concentration and gas pressure. This method is based on fundamental insights, theoretical models, and empirical studies. We then discuss the unique bundled morphology and mechanical properties of fiber mats produced by SBS, and how they compare with electrospun fiber mats. Applications of SBS in biomedical engineering are highlighted, showing enhanced cell infiltration and proliferation versus electrospun fiber scaffolds and in situ deposition of biodegradable polymers. We also discuss the impact of SBS in applications involving textiles and electronics, including ceramic fibers and conductive composite materials. Strategies for future research are presented that take advantage of direct and rapid polymer deposition via cost-effective methods.

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“…The diameters of fibers obtained by SBP are comparable with those made through electrospinning. Moreover, compared with electrospinning, SBP has the advantages of more convenient operation, having several times higher production rate than that of electrospinning, no need of high‐voltage equipment , and so forth, which enables it an alternative method of electrospinning to prepare nonwoven membranes with micro‐nanofibers. Furthermore, it is possible to use many nozzles disassembly, which makes the technology easier to be scaled‐up .…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic PCL/PS composite nanofibrous membranes prepared through solution blow spinning with an airbrush for oil adsorption

Yin

et al. 2018

Polymer Engineering & Sci

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Superhydrophobic composite nanofibrous membranes(PP) were prepared from polycaprolactone (PCL)/polystyrene (PS) through solution blow spinning with an airbrush for oil adsorption. PP membranes were characterized by fourier transform infrared spectroscopy, scanning electron microscopy, water contact angle, X‐ray Photoelectron Spectroscopy, X‐ray diffractometer, and thermogravimetric analysis instrument. The effects of mass ratio of PCL and PS on the morphology, porosity, density, cyrstallinity, thermal stability, and oil adsorption ability were investigated. PP membranes had higher density than PCL and PS, while better hydrophobicity. The saturation adsorption capacity of PP to peanut oil, motor oil, and diesel oil is 16.89 g/g, 20.33 g/g, and 12.17 g/g, respectively. After 6 cycles of reutilization, the adsorption capacity to peanut oil, motor oil, and diesel oil remained at 6.16, 7.46, and 5.33 g/g, respectively, higher than that of pure PCL membrane.The water/oil adsorption selectivity of PP was about 7:100. PP had higher oil adsorption capacities and better water/oil adsorption selectivity than the commercial oil absorbent polypropylene. PP membrane could be prepared and used in situ to separate oil from oil/water mixture. POLYM. ENG. SCI., 59:E171–E181, 2019. © 2018 Society of Plastics Engineers

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Solution blow spun poly(lactic acid)/hydroxypropyl methylcellulose nanofibers with antimicrobial properties

Cited by 58 publications

References 24 publications

Biocompatible reinforcement of poly(Lactic acid) with graphene nanoplatelets

Biocompatible reinforcement of poly(Lactic acid) with graphene nanoplatelets

A Review of the Fundamental Principles and Applications of Solution Blow Spinning

Superhydrophobic PCL/PS composite nanofibrous membranes prepared through solution blow spinning with an airbrush for oil adsorption

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