nanomaterials – Page 4 – TechConnect Briefs

Study of Photocatalytic activity and properties of Transition metal ions doped Nanocrystalline TiO2 prepared by Sol-Gel Method

Siddhapara K., Shah D., S.V. National Institute of Technology, IN

In summary, we have reported the synthesis of 1%, 2% and 4% Fe,Co doped TiO2 powders successfully prepared via sol–gel synthesis and controlled calcinations. XRD for Fe, CO doped TiO2 indicates dopant concentration effects phase [...]

Transport of Nanomaterials in Complex Media

Ubaque L.A., Vargas W.L., Universidad de los Andes, CO

An appreciable number of researchers have analyzed both the genotoxicity and cytotoxicity of nanoparticles in biological systems, noting extensive damage to most body organs, such effects are attributed to: i) the ease of transportation to [...]

Nanomaterial Registry: An authoritative resource for assessing environmental and biological interactions of nanomaterials

Ostraat M.L., Mills K., Murry D., Guzan K., RTI International, US

Assessing the interactions of nanomaterials with environmental and biological systems is both complex and rapidly evolving. The complexity of these interactions arises from the fact that they are not only a function of the system [...]

Preparation of a new generation porous thermal insulation mass using functional nanomaterials

Ulbikas J., Boženko J., Spirova N., CJSC Modern E-Technologies, LT

In this work silica precursor is graft on nanomaterials via a free-radical reaction. The modified nanomaterials have an - OEt functional group which allows us to intercalate the polymer between the layers of expandable graphite [...]

Nanomaterials and nanotechnologies for the conservation of the materials of cultural heritage

Rathousky J., Kalousek V., Zouzelka R., J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, CZ

Conservation science is one of the most complex topics in the materials science as it requires expertise ranging from the history of art and archaeology to the advanced analytical and physical chemistry. However, the recent [...]

Improve Environmental and Economic Performance with Streamlined Life Cycle Assessment (SLCA)

Shatkin J.A., Larsen W., CLF Ventures, Inc., US

Many new technologies offer significant improvements in environmental performance over existing approaches. Typically, there is some uncertainty about the health or environmental impacts, positive or negative, of new technologies, which can adversely affect their introduction [...]

Shape Selective Nano-Catalyst for Direct Methanol Fuel Cells (DMFC) Applications

Hunyadi Murph S., Fox E.B., Serkiz S.M., Colon-Mercado H., Savannah River National Laboratory, US

Direct methanol fuel cells (DMFCs) have recently attracted much interest as a promising alternative to conventional batteries, especially in portable electronic devices. DMFCs, however, have several disadvantages including high cost, largely as a result of [...]

Antibiocorrosive Woods and Plastics Nanomaterials :Arsonium triiodides and Silicon Organic matrix

Khan R.A., Sharma R., Manav Rachna International University, IN

A search of anticorrosive with antibacterial property of compounds motivated us to synthesize nanomaterials with quaternary compounds. The arsonium triiodides [(Ph3AsCH2I]I3 and [(i-Bu)3AsCH2I]I3 nanomaterials have been synthesized and characterized. The x-ray structures of [(Ph3AsCH2I]I3 and [...]

Studies on the kinetic properties of photocatalytic degradation of phenol in water using ZnO nanopowder as a photocatalyst

Tao Y., Cheng Z.L., Ting K.E., Yin X.J., Singapore Polytechnic, SG

In recent years, advanced oxidation processes (AOPs) have been proved to be one of the most effective methods to remove organic pollutants from water and wastewater. These processes are based on the generation of the [...]

Shape Selective Nano-Catalyst for Direct Methanol Fuel Cells (DMFC) Applications

Hunyadi Murph S., Fox E.B., Serkiz S.M., Colon-Mercado H., Savannah River National Laboratory, US

Direct methanol fuel cells (DMFCs) have recently attracted much interest as a promising alternative to conventional batteries, especially in portable electronic devices. DMFCs, however, have several disadvantages including high cost, largely as a result of [...]