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The average particle sizes of nanoscale (Ba0.8Sr0.2)(Ti0.9 Zr0.1)O3 ceramic powder (nano-BSTZ) was approximately 73nm. Polyvinylidene fluoride (PVDF)/nano-BSTZ composite films with various contents of the nano-BSTZ were screen-printed on indium tin oxide glass substrates. From the XRD patterns, PVDF was the semicrystalline type polymer. The content of the nano-BSTZ increased from 10 wt% to 50 wt%,...
Carbon nanotubes (CNTs) have been widely investigated as one of the most promising nanomaterials in biomedical applications. Functionalization of CNTs with poly(ethylene glycol) diamine (PEG) is a recognized methodology with good solubility and biocompatibility. In this study, PEG conjugated (PEGylated) multi-walled CNTs (MWCNTs) were prepared and labeled with fluorophore FITC. Using fluorophore-conjugated...
The frequency response and the sensitive mechanics of the ST cut quartz SAW sensor with two-port resonator and FPOL sensitive film are theoretically analyzed. The factors affecting the frequency response and the detective sensitivity are systematically researched with the P-matrix method. The results show that, it is necessary to properly choose the width, the thickness and the material parameters...
A modified spin coating method used for fabricating the waveguide layer has been evaluated for Love wave device. The properties of these devices have been compared with those of devices fabricated by the conventional method. The thicker and smooth layers achieved by the modified method enhance the mass sensitivity and reduce the insertion loss. Poly (vinylidene fluoride) (PVDF) and sulfosalicylic...
Inorganic nanoparticles SnO2 and In2O3 were dispersed using an in situ synthesis technique in one of the polyynes polymer, namely poly-2, 5-dimethoxyethynylbenzene(PDMEB) to prepare organic-inorganic nanocomposites PDMEB/SnO2 and PDMEB/In2O3. The nanocomposites were characterized by FT-IR, which highlighted the chain organization and the plasticizing effect of the nanoparticles on the polymers. Laser...
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