نتایج جستجو برای: poly lactic acid zinc oxide nanocomposite films
تعداد نتایج: 1106588 فیلتر نتایج به سال:
In this paper, we demonstrate the preparation of a flexible poly (3,4-ethylenedioxythiophene) -poly (styrenesulfonate)/reduced graphene oxide (PEDOT-PSS/RGO) film with a layered structure via a simple vacuum filtered method as a high performance electrochemical electrode. The PEDOT-PSS/RGO films are characterized by scanning electron microscopy (SEM), X-ray diffraction, Raman spectroscopy, and ...
To achieve sustained release of 3-ethyl-4-(4-methylisoxazol-5-yl)-5-(methylthio) thiophene-2-carboxamide (BFB0261), a new potent osteogenic compound for treating bone disorders, we prepared film formulations containing BFB0261 and the following newly synthesized biodegradable polymers by a solvent casting technique: poly(D,L-lactic acid) (PLA), poly(D,L-lactic acid-co-glycolic acid) (PLGA), pol...
Antimicrobial active films based on poly (lactic acid) (PLA) were prepared with nano-silver (nano-Ag) and nano-zinc oxide (nano-ZnO) using a solvent volatilizing method. The films were characterized for mechanical, structural, thermal, physical and antimicrobial properties. Scanning electron microscopy (SEM) images characterized the fracture morphology of the films with different contents of na...
Objective
 This study aims to synthesize and characterize the
 nanocomposite films incorporating unmodified and
 modified nanoparticles within the poly(lactic acid)
 matrix, investigate their usage as an alternative
 scaffold for tissue engineering.
 Materials Methods
 Titanium dioxide (TiO2) were firstly
 grafted by L-lactic acid oligomer (LA-g-TiO2) mix...
BACKGROUND The aim of this study was to evaluate the interaction of bioactive and biodegradable poly (lactide-co-glycolide)/bioactive glass/hydroxyapatite (PBGHA) and poly (lactide-co-glycolide)/bioactive glass (PBG) nanocomposite coatings with bone. MATERIALS AND METHODS Sol-gel derived 58S bioactive glass nanoparticles, 50/50 wt% poly (lactic acid)/poly (glycolic acid) and hydroxyapatite na...
Background and Aim: Lesions of the skin can impair its vital function to protect humans against external pathogens. Therefore, producing a suitable wound dressing to repair injuries is always one of the challenges of researchers. The present study aims to Synthesize a hydrogel film for wound dressing applications. Methods: In this research, a hydrogel film of polyvinyl alcohol / hyaluronic a...
A series of novel zinc oxide / Poly (methyl methacrylate) nanocomposite films with different ZnO contents were prepared through inclusion pre-synthesized nanoparticles. The physical composition and morphology the as-prepared nanocomposites studied by XRD TEM. TEM analyses revealed that nanoparticles have a particle size ~3–5 nm. X-ray diffraction proved presence amorphous PMMA in nanocomposites...
193 6 O On n t th he e l li in ne ea ar r a an nd d n no on nl li in ne ea ar r o op pt ti ic ca al l p pr ro op pe er rt ti ie es s o of f t th he er rm ma al ll ly y s st ta ab bl le e, , Z Zn nO O/ /P PS S-P PM MM MA A n na an no oc co om mp po os si it te e f fi il lm ms s 6.1 Introduction 6.2 Synthesis details 6.3 Structural characterization 6.4 Thermal analysis 6.5 Optical Studies 6.6 Non...
Abstract Nanocomposite polymer electrolyte films based on a blend of two polymers jackfruit seed starch (JSS) and poly (vinyl alcohol) (PVA) complexed with nano-particle zinc oxide (ZnO) (i.e., (50 wt% JSS/50 PVA) + x ZnO where = 0, 2, 4, 6, 8, 10, 12 14) were prepared by using the casting solution method. Electrochemical impedance spectroscopy (EIS) has been employed between frequencies 10 Hz ...
A facile approach of making scalable nanocomposite and electro-patterned films using graphene oxide (GO) and poly(N-vinylcarbazole) (PVK) is reported. The method involves the layering of polystyrene colloidal templates, electrodeposition of the composite film on template array, and finally removal of the sacrificial templates to reveal the patterned GO-PVK arrays.
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