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Nanoindentation and nanoscratch investigations on graphene-based nanocomposites
Abstract The effect of graphene nano-platelets (GNPs) on mechanical properties of polymer nanocomposites were investigated using nanoindentation and nanoscratch methods. The GNPs at different weightExpand
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Electrospun PGA/gelatin nanofibrous scaffolds and their potential application in vascular tissue engineering
Background and methods In this study, gelatin was blended with polyglycolic acid (PGA) at different ratios (0, 10, 30, and 50 wt%) and electrospun. The morphology and structure of the scaffolds wereExpand
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Quantitative Cascade Condensations betweeno-Phenylenediamines and 1,2-Dicarbonyl Compounds without Production of Wastes
o-Phenylenediamines 1 underwent a series of cascade condensations with 1,2-dicarbonyl compounds to afford quantitative yields (eight cases) of heterocycles in solid-state syntheses that avoided wasteExpand
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Solvent-free Knoevenagel condensations and Michael additions in the solid state and in the melt with quantitative yield
Abstract Numerous Knoevenagel condensations of solid or liquid aromatic aldehydes are performed with four barbituric acids, Meldrum's acid, dimedone, cyanoacetamide, malodinitrile and methylExpand
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Mechanically induced molecular migrations in molecular crystals
The action of mechanical pressure on organic molecular crystals is studied by the new technique of nanoscratching at various faces in different directions in order to induce far-reaching anisotropicExpand
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Stimuli-responsive graphene-incorporated multifunctional chitosan for drug delivery applications: a review
ABSTRACT Introduction: Recently, the use of chitosan (CS) in the drug delivery has reached an acceptable maturity. Graphene-based drug delivery is also increasing rapidly due to its unique physical,Expand
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An efficient, multicomponent approach for solvent-free synthesis of 2-amino-4H-chromene scaffold
Solvent-free one-pot synthesis of 2-amino-4H-chromene scaffold is described in a very simple, efficient, and environmentally benign method using sodium carbonate as a cheap and non-toxic catalystExpand
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Nanoindentation and nanoscratching responses of PEEK based hybrid composites reinforced with short carbon fibers and nano-silica
Abstract The micromechanical properties of PEEK based hybrid composites reinforced with short carbon fibers (SCF) and nano-SiO2 particles were examined using nanoindentation and nanoscratchingExpand
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Tensile and biocompatibility properties of synthesized nano-hydroxyapatite reinforced ultrahigh molecular weight polyethylene nanocomposite
Ultrahigh molecular weight polyethylene–based nanocomposites reinforced with nano-sized hydroxyapatite particles were fabricated using internal mixer and compression molding with different weightExpand
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The exponent 3/2 at pyramidal nanoindentations.
The analysis of published loading curves reveals the exponent 3/2 to the depth for nanoindentations with sharp pyramidal or conical tips. This has geometric reasons, as it occurs independent on theExpand
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