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Graphene/carbon composite nanofibers (GCNFs) with attached TiO2 nanoparticles (TiO2-GCNF) were prepared, and their photocatalytic degradation ability under visible light irradiation was assessed. They were characterized using scanning and transmission electron microscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, and ultraviolet-visible diffuse spectroscopy. The results...
Nanoparticles conjugated with biomolecules are promising building blocks for assembly into nanostructured functional materials for developing biomarker platforms because of their size dependent optical and electrical properties. Nanoparticles and nanodevices enable study of a wide range of biological phenomena extending from biomolecular interactions such as protein-protein, antibody-antigen or DNA...
Synthesis of ultrafine barium titanate (BT) nanoparticles using a simple cost effective precipitation method and their structural and morphological changes are outline in this paper. In actual, BTO precipitate was subjected to centrifuge, washing and heating processes to obtain BT nanoparticles. Special emphasis was given to the concentration of precursor (barium nitrate) and capping ligand (PVP)...
In the present work, we report the room temperature NH3 sensing properties of Cobalt-boride nanoparticles intercalated polyaniline (Co-B-PANI) nanocomposite films. Polyaniline nanocomposite films (PNCF's) have been deposited at room temperatures by in-situ oxidative polymerization of aniline in the presence of Co-B nanoparticles. The PNCF exhibited a highly selective, sensitive and reversible response...
ATP conferred protection of silver nanoparticles (AgNPs) against salt induced aggregation has been used as a simple, sensitive and cost effective tool for detection of acid phosphatase (ACP) activity. In the absence of the enzymes, unreacted ATP protects AgNPs from salt-induced aggregation. Dephosphorylation of ATP in the presence of the enzyme reduces the protecting action of ATP and thus there is...
The nAg/PVP and nAg/PVA composites were synthesized by using chemical reduction method. The neat Poly vinyl pyrrolidone (PVP) and polyvinyl alcohol (PVA) at different concentrations and their nano metal polymer composites were studied for electrical humidity sensing, ranging from 5–90% RH. The neat polymers and their composites were coated on ceramic rods having built in electrodes by drop casting...
MIL-101-Fe (Materials of Institute Lavoisier) nanoscale-metal organic frameworks (NMOFs) were synthesized by solvothermal method with constant heating at 200°C in silicon oil bath. The as prepared MIL-101-Fe nanoparticles are observed to have particle size in the range of 200–210 nm with multiple shape morphology. Further as prepared MIL-101-Fe are functionalized by incorporating amine group into...
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