Adsorption behavior and mechanism of As(V) on magnetic FeO-graphene oxide (GO) nanohybrid composite material.

In this study, the magnetic FeO-graphene oxide (GO) nanohybrid composite material was prepared via the combination of the modified Hummer's method and coprecipitation. The morphology of the hybrid sample showed that the diffusion of FeO nanoparticles into the porous channels of mesoporous GO layers not only restricted the restacking of GO nanosheets but also prevented the leaching and agglomeration of magnetic nanoparticles. The result of the kinetic and isotherm studies that were performed to evaluate the adsorption mechanism showed a good fit with the pseudo-second-order kinetic and Langmuir isotherm models.

Structural and H₂S Sensing Properties of Copper Ferrite Nanoparticles Prepared Through Hydrothermal Method.

In this paper, we report the H₂S sensing properties of partially inverse copper ferrite (CuFe₂O₄) nanoparticles with sizes ranging from 16 nm to few hundreds of nanometers prepared through hydrothermal method. Effects of annealing temperature on the particle size, microstructure and gas-sensing properties of spinel ferrite were studied through scanning electron microscopy, synchrotron X-ray powder diffraction and resistance measurement. Electrical conduction mechanism is discussed based on the cation distribution in the lattice and resistance contribution from the grain boundaries.

The use of High Performance Thin-Layer Chromatography to determine the role of membrane lipid composition in bile salt-induced kidney cell damage.

Introduction: In obstructive liver disease bile salts are known to accumulate in and damage specific kidney cells. High Performance Thin-Layer Chromatography (HPTLC) was used to determine the membrane lipid composition of a range of kidney cells.

Methods: Kidney cells were exposed to three hydrophobic bile salts (lithocholic, deoxycholic and chenodeoxycholic acids) and cytotoxicity was determined.