Formation of silver nanoparticles in deoxyribonucleic acid-poly(o-methoxyaniline) hybrid: A novel nano-biocomposite

Article Abstract:

A study develops a novel silver nanocomposite of conducting polymer-deoxyribonucleic hybrid by adding DNA solution (Na salt) to an aqueous solution of poly(o-methoxy-aniline) (POMA) and AgN[O.sub.3] mixture solution. Results show that the conformation and crystal structure of DNA remain intact during the nano-biocomposite formation and that the dc conductivity value of the nano-biocomposite is almost the same as that of the pure POMA-DNA hybrid at the same composition, but with a different I-V characteristic curve.

Observations, Crystals, Crystal structure, Structure, Aqueous solution reactions, Chemical properties

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Preparation and characterization of silver-poly(vinylidene fluoride) nanocomposites: Formation of piezoelectric polymorph of poly(vinylidene fluoride)

Article Abstract:

The preparation and characterization of the Ag nano-particle within poly(vinylidene fluoride) (PVF2) host is presented. The plasmon band transition is monitored with time in the reaction mixture for three sets of experiments by UV-vis spectroscopy. The FTIR spectra shows that the dipolar interaction of the >C[F.sub.2] dipole with the surface charges of Ag nanoparticle stabilizes the nanoparticles in the nanocomposite.

Spectra, Fluorides, Fourier transform infrared spectroscopy

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Supramolecular organization of a plusminuscamphor-10-sulfonic acid and N,N-dimethyl formamide into giant spherulites

Article Abstract:

The giant spherulites were produced by the cast films of plusminuscamphor-10-sulfonic acid (CSA) from N,N-dimethyl formamide (DMF) after isothermal crystallization at 50-62 degrees C. The X-ray and differential scanning calorimetry study reveals that the supramolecular crystal is different from that of CSA.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Sulfonic Acids, Chemistry, Physical and theoretical, Physical chemistry, Molecular crystals, Camphor

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