SA – Page 2 – TechConnect Briefs

Carcinogenicity Assessment Using Biosensors: Mitomycin-C As A Case Study

Alhadrami H.A., King Abdulaziz University, SA

This study enabled an empirical assessment of a model carcinogen borne in soil and its potency on human receptors. SOS-lux biosensors had numerous practical advantages over the traditional assays including procedural simplicity, ease of measurement [...]

Ammonia Decomposition on Carbon Supported Cobalt Catalyst

Zhang H., Alhamed Y.A., Petrov L., Kojima Y., King Abdulaziz University, SA

Liquid ammonia has both high energy density and high hydrogen storage capacity which makes it suitable for on-board generation of COx free hydrogen by catalytic ammonia decomposition (AD). Cheap catalysts based on cobalt were considered [...]

XRD and SEM studies on annealed nanocrystalline titanium dioxide powder

Babkair S.S., Ansari A.A., Al-Qurashi N.N., King Abdulaziz University, SA

Anatase phase of nanocrystalline (nC) titanium dioxide in photo-catalysis, photo-splitting of water to produce hydrogen and as electrode material in Dye Sensitized Solar Cells (DSSCs)is mostly used due to its higher band gap. However, recent [...]

XRD and SEM studies on annealed nanocrystalline titanium dioxide powder

Babkair S.S., Ansari A.A., Al-Qurashi N.N., King Abdulaziz University, SA

Anatase phase of nanocrystalline (nC) titanium dioxide in photo-catalysis, photo-splitting of water to produce hydrogen and as electrode material in Dye Sensitized Solar Cells (DSSCs)is mostly used due to its higher band gap. However, recent [...]

Ammonia Decomposition on Carbon Supported Cobalt Catalyst

Zhang H., Alhamed Y.A., Petrov L., Kojima Y., King Abdulaziz University, SA

Liquid ammonia has both high energy density and high hydrogen storage capacity which makes it suitable for on-board generation of COx free hydrogen by catalytic ammonia decomposition (AD). Cheap catalysts based on cobalt were considered [...]

Hot Phonons Contribution to scattering rates in Single-Walled Carbon Nanotubes

Gautreau P., Ragab T., Basaran C., University of Tabuk, SA

The influence of hot phonons on the electron-phonon scattering rates is studied via an Ensemble Monte Carlo(EMC) simulation with step by step update of the phonon occupation number to account for the generation of hot [...]

Synthesis of Stabilized Silver nanoparticles exposed to Hydrochloric Acid

Atta A.M., Allohedan H.A., Ezat A., Issa Z.A., King Saud Unversity, SA

The bioavailability of ingested silver nanoparticles (AgNPs) depends in large part on initial particle size, shape and surface coating, properties which will influence aggregation, solubility and chemical composition during transit of the gastrointestinal tract. In [...]

Facile in-situ combustion synthesis of TiC reinforced aluminum matrix composites

Nabawy A.M., Khalil K.A., Al-Ahmari A.M., King Saud University, SA

Using high frequency induction heat-assisted combustion synthesis (HFIHACS) as a facile manufacturing methods followed by combustion in tube furnace under inert gas, composites of TiC reinforced aluminum matrix have been in-situ synthesized directly from elemental [...]

Synthesis and Surface Activity of Amphiphilic 2-Acylamido-2-Methylpropane Sulfonic Acid – co-N-Isopropyl Acylamide Nanoparticles in Non-Aqueous Media

Atta A., King Saud University, SA

In this work, we synthesized a series of nonionic polymerizable nonyl phenol ethoxylates (NPEs) as organic solvent-soluble surfactants in which straight, branched and cyclic alkyls and phenyl acted as solvophilic segment and polyoxyethylene, or maleate [...]

Modified carbon nanotube & poly (3-hexylthiophene) nanocomposites integrated in quasi solid-state dye synthesized solar cells

Karim M.R., King Saud University, SA

Poly (3-hexylthiophene) (P3HT) and modified (functionalized and silanized) multi wall carbon nanotube (MWNT) nanocomposites have been prepared through in-situ polymerization process in chloroform medium with FeCl3 oxidant at room temperature. The composites (P3HT-MWNT) are characterized [...]