A postdoctoral research position is available in ..

The Irish Centre for Vascular Biology was launched today at RCSI. The establishment of the new Irish Centre for Vascular Biology, based at RCSI, will be comprised of an integrated network of groups in Irish universities, hospitals, SMEs and industry partners in Ireland, both north and south, involved in vascular-related research.

Postdoctoral Fellow in Materials Chemistry - Neutron Scattering ..

 Conditions of employment  This is a FOM PhD position. For more information about FOM:

Post-doctoral position in Ye Jian ..

cfaed is a cluster of excellence within the German Excellence Initiative. As a central scientific unit of TU Dresden, it brings together 300 researchers from the university and 10 other research institutes in the areas of Electrical and Computer Engineering, Computer Science, Materials Science, Physics, Chemistry, Biology, and Mathematics. cfaed addresses the advancement of electronic information processing systems through exploring new technologies which overcome the limits of today's predominant CMOS technology.

Postdoctoral position in computational biology

Inspired by the tautomeric relationship of imidazole and N-heterocyclic carbenes, we have been intrigued about the implications of such carbenes in metalloenzymes. Enzymes are the machinery of all biological transformations, and provide inspiration for designing artificial catalysts. New insights into the mode of action of enzymes is therefore instrumental for developing more competent synthetic catalysts as well as for better understanding natural systems. In collaboration with F. Paradisi (U Nottingham), we have begun to explore carbene binding to metalloenzymes. We have been focusing on blue copper proteins such as azurin and specific mutants of azurin to investigate the possibility of carbene bonding to the copper center, and to evaluate the effect that such bonding entails. While azurin is predominantly involved in electron transfer processes through reversible copper(II) reduction and oxidation, other blue copper proteins are catalytically active in redox transformations of substrates. Hence, these enzymes provide an attractive probe to explore the relevance of carbene bonding on the catalytic performance of the enzyme.

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Post-doctoral Fellow, Postdoc, Synthesis and …

The applications of copper (Cu) and Cu-based nanoparticles, which are based on the earth-abundant and inexpensive copper metal, have generated a great deal of interest in recent years, especially in the field of catalysis. The possible modification of the chemical and physical properties of these nanoparticles using different synthetic strategies and conditions and/or via postsynthetic chemical treatments has been largely responsible for the rapid growth of interest in these nanomaterials and their applications in catalysis. In addition, the design and development of novel support and/or multimetallic systems (e.g., alloys, etc.) has also made significant contributions to the field. In this comprehensive review, we report different synthetic approaches to Cu and Cu-based nanoparticles (metallic copper, copper oxides, and hybrid copper nanostructures) and copper nanoparticles immobilized into or supported on various support materials (SiO2, magnetic support materials, etc.), along with their applications in catalysis. The synthesis part discusses numerous preparative protocols for Cu and Cu-based nanoparticles, whereas the application sections describe their utility as catalysts, including electrocatalysis, photocatalysis, and gas-phase catalysis. We believe this critical appraisal will provide necessary background information to further advance the applications of Cu-based nanostructured materials in catalysis.


Postdoctoral position in organic chemistry | Scientist …

Supercapacitors are electrochemical energy storage devices that combine the high energy-storage-capability of conventional batteries with the high power-delivery-capability of conventional capacitors. In this contribution we will show the results of our group recently obtained on supercapacitors with electrodes obtained using mixtures of carbonaceous nanomaterials (carbon nanotubes (CNTs), graphite, graphene, oxidised graphene). The electrode fabrication has been performed using a new dynamic spray-gun based deposition process set-up at Thales Research and Technology (patented). First, we systematically studied the effect of the relative concentrations of Multi-Walled Carbon Nanotubes (MWCNTs) and graphite on the energy and power density. We obtained a power increase of a factor 2.5 compared to barely MWCNTs based electrodes for a mixture composed by 75% of graphite. This effect is related with the improvement of the mesoporous distribution of the composites and to the increase of the conductance as pointes out by Coleman et al. After these results, we decided to test water as a solvent in order to reduce the heating temperature and to obtain a green type process without toxic solvents. To achieve stable suspensions we oxidised the graphene and the CNTs before putting them in water. We observed that changing the Graphene Oxide concentrations we obtained different value of capacitance and energy. The best results were obtained with 90% of GO and 10% of CNTs. We obtained 120F/g and a power of 30kW/Kg. The importance of these results is that it is the first time that these performances have been obtained for graphene related materials using an industrial fabrication suitable technique that can be implemented in roll-to-roll production. In this way we were able to fabricate stable suspensions in less than one hour compared to three days using NMP. All these results demonstrate the strong potential to obtaining high performance devices using an industrially suitable fabrication technique. Finally, new results using mixtures of Carbon nanofibers and graphene will be shown. These new composite allow to use ionic liquid as electrolytes and so to increase dramatically the energy stored in the device without reducing the power.

Title of Talk: Highly strain tolerant and tough ceramic composite by incorporation of graphene

Postdoc Positions (f/m) at the Institute for Combustion …

Department of biopolymersLaboratory of polymer nanosystems and biotechnologiacal products, Institute of Macromolecular Compounds of Russian Academy of Sciences199004 V.O. Bolshoy pr. 31, Saint Petersburg, Russia