Carbon Nanostructures for Ocular Tissue Reinforcement.

Purpose: The purpose of this study was to improve the biomechanical properties of the cornea through the incorporation of carbon nanostructures.

Methods: Healthy Japanese rabbits were used to evaluate the effect of carbon nanostructures' incorporation in the cornea. Rabbits were divided in two groups A and B.

Tailoring Low-Cost Granular Activated Carbons Intended for CO Adsorption.

Physical adsorption on activated carbons has shown to be a very attractive methodology for CO separation from flue gas streams and biogas. In this context, the goal of this work was to prepare granular activated carbons intended for CO adsorption from an abundant and low-cost biomass residue (coconut shell) by using practical and cost-effective procedures. By the first time, parameters involved in chemical activation with dehydrating agents (HPO or ZnCl) and/or physical activation with CO were systematically screened in depth in order to obtain materials with improved performance for CO adsorption on a volume basis.

Structural Flexibility in Activated Carbon Materials Prepared under Harsh Activation Conditions.

Although traditionally high-surface area carbon materials have been considered as rigid structures with a disordered three dimensional (3D) network of graphite microdomains associated with a limited electrical conductivity (highly depending on the porous structure and surface chemistry), here we show that this is not the case for activated carbon materials prepared using harsh activation conditions (e.g., KOH activation).

Physicochemical properties and in vivo evaluation of Pt/TiO-SiO nanopowders.

Aim: Sol-gel is a suitable and advantageous method to synthesize mixed oxide nanomaterials with unique physicochemical and biological properties.

Materials & Methods: In this work, TiO-SiO nanopowders cogeled with platinum acetylacetonate were developed and studied in the perspective of nanomedicine. The physicochemical properties of the Pt/TiO-SiO nanopowders, named NanoRa-Pt, were evaluated in detail by means of complementary spectroscopic and microscopic tools.

Micromesoporous Activated Carbons as Catalysts for the Efficient Oxidation of Aqueous Sulfide.

KOH activation of a mesophase pitch produces very efficient carbons for the removal of sulfide in aqueous solution, increasing the sulfur oxidation rate with the degree of activation of the carbon. These carbons are characterized by their graphitic structures, with domains of sizes of around 20 nm, and a moderate concentration of surface oxygen groups (0.2-0.