Photoinduced Fabrication of Zinc Oxide Nanoparticles: Transformation of Morphological and Biological Response on Light Irradiance.

The photoinduced synthesis of zinc oxide nanoparticles (ZnO NPs) was carried out to unveil the effects of change in wavelength of photons. ZnO NPs were synthesized by the coprecipitation technique exposed to different light regimes [dark environment, daylight, and blue-, green-, yellow-, and red-colored light-emitting diodes (LEDs)] at room temperature. X-ray diffractogram (XRD) revealed the wurtzite structure of ZnO NPs.

Synthesis, Crystal Structures, and Spectroscopic Characterization of Bis-aldehyde Monomers and Their Electrically Conductive Pristine Polyazomethines.

Bis-aldehyde monomers 4-(4'-formyl-phenoxy)benzaldehyde (), 3-methoxy-4-(4'-formyl-phenoxy)benzaldehyde (), and 3-ethoxy-4-(4'-formyl-phenoxy)benzaldehyde () were synthesized by etherification of 4-fluorobenzaldehyde () with 4-hydroxybenzaldehyde (), 3-methoxy-4-hydroxybenzaldehyde (), and 3-ethoxy-4-hydroxybenzaldehyde (), respectively. Each monomer was polymerized with -phenylenediamine and 4,4'-diaminodiphenyl ether to yield six poly(azomethine)s. Single crystal X-ray diffraction structures of and were determined.

A novel insertion mutation on exon 20 of epidermal growth factor receptor, conferring resistance to erlotinib.

The epidermal growth factor receptor (EGFR) is a transmembrane glycoprotein tyrosine kinase receptor. The small-molecule tyrosine kinase receptor inhibitors (TKIs) are in clinical use to treat non-small cell lung cancer with EGFR mutations. Variable tumor responses to erlotinib and gefitinib have been observed.

Superparamagnetic bimetallic iron-palladium nanoalloy: synthesis and characterization.

Iron-palladium nanoalloy in the particle size range of 15-30 nm is synthesized by the relatively low temperature thermal decomposition of coprecipitated [Fe(Bipy)(3)]Cl(2) and [Pd(Bipy)(3)]Cl(2) in an inert ambient of dry argon gas. The silvery black Fe-Pd alloy nanoparticles are air-stable and have been characterized by EDX-RF, XRD, AFM, TEM, magnetometry, (57)Fe Mössbauer and impedance spectroscopy. This Fe-Pd nanoalloy is in single phase and contains iron sites having up to 11 nearest-neighboring atoms.