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Abstract The use of systems based on biodegradable polymers and nanoparticles has shown to be promising to bone tissue engineering. The combination of these materials aims to obtain systems with biological and mechanical suitable properties. The objective of the present paper was to obtain systems composed of polylactide with silver and titanium oxide nanoparticles alone and in …
Antimicrobial activities of the samples of CMC films containing silver cations and nanoparticles against strains at pathogen concentrations of 10 3 CFU mL -1 Figures - uploaded by Khaydar ...
In bone tissue engineering, failure might take place in treating infected bone defects. Scaffolding materials with antibacterial function should be a potential solution for this problem. Herein, poly(l-lactide) (PLLA)–hydroxyapatite (HA) nanocomposites containing antibacterial silver nanoparticles (AgNPs) were prep
Films containing 1.0 and 0.1% silver completely inactivated Salmonella after 5 washings, except the PLA films containing 0.01% silver. In addition, Salmonella counts were reduced by > 6 log CFU when in contact with PLA–THF with 0.01% silver films after 1 washing, but antimicrobial activity was progressively reduced along the subsequent washings.
Promising synergetic effects (anti-infective action combined with restorative, regenerative, anti-inflammatory, immunomodulatory, or anti-tumor activity) were reported by using micro- and nanoparticles [37,38], fibers, films, scaffolds, and hydrogels based on or containing polylactide.
Electrically conducting adhesive films containing silver nanosized particles (AgNPs) were prepared using siloxane polyimide resin (SPI), and their physical properties were investigated. AgNPs with diameters of ca. 6 nm were prepared using oleylamine as a stabilizer. A mixture of the AgNPs and SPI was vigorously stirred, and cast on a polyethylene terephthalate support. Films were …
All films containing silver exert a very high antibacterial effect on S. enterica. Uncoated films with silver produce in soup a decrease of about 2 log units both on the first and second day. After that, bacterial counts do not further decrease or even increase throughout the rest of the experiment.
Abstract. Plasticized polylactide (PLA) composite films with multifunctional properties were created by loading bimetallic silver–copper (Ag–Cu) nanoparticles (NPs) and cinnamon essential oil (CEO) into polymer matrix via compression molding technique.
Biodegradable polylactide (PLA) nanofibers containing silver nanoparticles were prepared by electrospinning. Solutions of PLA in dichloromethane/ N,N -dimethylacetamide (DMAc) with different amounts of silver nitrate (AgNO 3) were used to spin nanofibers. DMAc was used as a reducing agent for Ag + ions in the PLA solution.
Highly thermally conductive electrospun stereocomplex polylactide fibrous film dip-coated with silver nanowires Polymer ( IF 4.430) Pub Date :, DOI: 10.1016/j.polymer.2020.122390 Lu Bai, Zheng-Min Zhang, Jun-Hong Pu, Chang-Ping Feng, Xing …
active packaging (silver-infused polylactide films) has been documented by Martínez-Abad et al34. [ ] . Essential oils, depending on their concentration and chemical characteristics as well as the ingre-dients in film matrix, can form inter-molecular complexes with polymers and modify film proper-ties [35, 36, 37].
As a synthetic renewable and biodegradable material, the application of polylactide (PLA) in the green flexible electronics has attracted intensive attention due to the increasingly serious issue of electronic waste. Unfortunately, the development of PLA-based optoelectronic devices is greatly hindered by the poor heat resistance and mechanical property of PLA.
12%Biodegradable polylactide (PLA) nanofibers containing silver nanoparticles were prepared by electrospinning. Solutions of PLA in dichloromethane/ N,N -dimethylacetamide (DMAc) with different amounts of silver nitrate (AgNO 3) were used to spin nanofibers. DMAc was used as a reducing agent for Ag + ions in the PLA solution.
2015/01/30. This web page summarizes information in PubChem about patent JP-6599245-B2. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents ...
The present study aimed at the preparation of antimicrobial films based on low-density polyethylene (LDPE), with zeolite exchanged with Silver (Ag) in 1, 5 and 10 wt.%. Zeolites with Ag were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray Fluorescence (XRF). LDPE films with added silver-substituted zeolite A were synthesized by wet-casting, with the ...
Biodegradable blend membranes based on polylactide and chitosan with various compositions were prepared via a two-step processing pathway. In the first step, solutions of each component were properly mixed and cast into a gelatinous membrane, and in the second step, the obtained membrane was immersed into a mixed solution for the solvent extraction followed by a …
Antimicrobial beeswax coated polylactide films with silver control release capacity. Author links open overlay panel Antonio Martínez-Abad a Jose Maria Lagarón a María Jose Ocio a b. Show more. Share.
The films were cut into 95 mm x 12.5 mm strips using a hydraulic press and a custom-made metal die for tensile testing. A minimum of 10 samples was prepared for each CNC composite loading and type of surfactant. The thicknesses of the films were taken at 4 different sections of the films, and an average of 0.18 [+ or -] 0.02 mm was obtained.
Polylactide (PLA) Design of hybrid PLA/PBS/POM composite based on In-Situ formation of interpenetrating fiber networks. Chemistry, Electrospinning, Poly(1,4-butylene succinate) (PBS), Polylactide (PLA), Polymer formation, Polyoxymethylene (POM)
There is a growing trend to develop packaging materials with an active role in guarantying that the quality and safety characteristics of packaged products will remain or improve from preparation throughout shelf-life. In the present study, 0.001-1.0 wt.% silver ions were satisfactorily incorporated into polylactide (PLA) films by a solvent casting technique. Silver migration from the films ...
Fully aromatic polyimide films containing uniformly oriented Ag nanorods (see Figure) have been prepared by a simple method consisting of thermal curing and uniaxial drawing of submicrometer-scale phase-separated polyimide-blend films containing dissolved AgNO 3.The films exhibit outstanding optical dichroism, over 20 dB (see inset), in the near-IR region due to the high …
Abstract. melt-compounded polylactide films containing silver-based engineered clays Marı́a A Busolo1,2 and Jose ́ M Lagaron1 This article reports on two polylactide composites obtained by melt compounding containing two silver-based biocide montmorillonites.
Antimicrobial biocomposites of melt-compounded polylactide films containing silver-based engineered clays June 2013 Journal of Plastic Film and Sheeting 29(3):290-305
In 2010, Kim et al. reported the synthesis of silver naoparticles containing polylactide nanofibers using electrospinning technique. ... film with 0.8 wt% Ag, having Y = 0.12 MPa, maximum strain ...
1. Int J Food Microbiol. 2014 Mar 17;174:39-46. doi: 10.1016/j.ijfoodmicro.2013.12.028. Epub 2014 Jan 4. Antimicrobial beeswax coated polylactide films with silver ...
The PU composite film containing 1 wt% lignin/ZnO hybrid exhibited much higher UV protection factor (UPF) values than pure PU due to its good synergistic UV-absorption performance. Polylactide (PLA) is a type of biodegradable and renewable aliphatic polyester.
A series of new films with antibacterial properties has been obtained by means of solvent casting method. Biodegradable materials including polylactide (PLA), quercetin (Q) acting as an antibacterial compound and polyethylene glycol (PEG) acting as a ...
Preparation of ZnO/AgNW/SC-PLA film. The fabrication process of ZnO/AgNW/SC-PLA film is illustrated in Fig. 1.To reduce the sheet resistance and improve the surface uniformity of the film, the AgNW dispersion was coated by roll coating [46, 47].Firstly, AgNW dispersion (0.1 wt% in isopropyl alcohol) was coated uniformly on the glass substrate with a Meyer-rod (RSD 20) by a drawdown …
method [17]. Films were placed on the top of the measuring cups which contain desiccant. Then, the measuring cups were put into a desiccator, and the desiccator was placed inside a cabinet with constant temperature and humidity, which were 20 C and 50% relative humidity (RH). The weight loss of each bottle was measured every 1 h for 24 h.
Silver nanoparticles were deposited on the surface of an extruded film of linear low density polyethylene/cyclo olefin copolymer (LLDPE/COC) blend by an ultrasound-assisted method. A series of LLDPE/COC/silver nanocomposites, containing 0.02, 0.05, 0.08 and 0.1 mol/L of AgNO3 were prepared and characterized. The effect of ultrasound method on the silver deposition on the …
Reduction of the (2013). Evaluation of silver-infused polylactide films for spoilage-related microflora in absorbent pads by silver inactivation of Salmonella and feline calicivirus in vitro and nanotechnology during modified atmosphere packaging of on fresh-cut vegetables.
polymers Article Biodegradable, Flexible, and Transparent Conducting Silver Nanowires/Polylactide Film with High Performance for Optoelectronic Devices Junjun Wang 1,2, Junsheng Yu 1, Dongyu Bai 2,*, Zhuobin Li 1,2, Huili Liu 3, Ying Li 2, Shanyong Chen 2, Jiang Cheng 2 and Lu Li 1,2,* 1 State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and
Highly thermally conductive electrospun stereocomplex polylactide fibrous film dip-coated with silver nanowires ... can be achieved in amorphous polymer blend films containing a network of thermally conductive interchain H-bonds. Then the stereocomplexed PLA (sc-PLA) fiber is expected to achieve very high λ owing to the intensified orientation ...
The addition of surface-modified cellulose nanocrystals (CNCs) to polymeric matrices can lead to an enhancement of the mechanical and optical properties of host polymers. The use of surfactants can provide an easy and effective way to change the CNC functionality and to evaluate the effects of surface chemistry in the reinforcement mechanisms. In this work, CNCs were solution blended with ...