711 research outputs found
Newcastle Business School Principles of Responsible Management Education Project (NBS PRIME)
The world is changing rapidly and new demands face business leaders to deal with the planet and environment more sustainably, to deal with the numerous societies their organisations operate in more equitably and with greater cultural understanding, and to be more open, transparent and responsible with respect to their stakeholders. Recent events such as the credit and banking crisis alongside general global corporate social responsibility and sustainability concerns, have led to questions as to whether current management education is adequate to equip and develop future leaders with the requisite skills to meet
these new demands (Colby, Ehrlich, Sullivan, Dolle, & Shulman, 2011; Datar, Garvin, & Cullen, 2010; Weybrecht, 2010).
For these reasons it is essential that universities and business schools seek to embrace principles of sustainability and responsible management into their teaching, research and enterprise activities.
Newcastle Business school is ideally placed to make a significant contribution to social, environmental and economic well being through its global reputation for delivering some of the best business management education in the UK
Frictional properties of subduction zone input material from the erosive continental margin offshore Costa Rica (IODP expeditions 334 and 344)
The NBC Study and Television Violence
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/73284/1/j.1460-2466.1984.tb02996.x.pd
Magnetoelectrically driven catalytic degradation of organics
Here, we report the catalytic degradation of organic compounds by exploiting
the magnetoelectric (ME) nature of cobalt ferrite-bismuth ferrite (CFO-BFO)
core-shell nanoparticles. The combination of magnetostrictive CFO with the
multiferroic BFO gives rise to a magnetoelectric engine that purifies water
under wireless magnetic fields via advanced oxidation processes, without
involvement of any sacrificial molecules or co-catalysts. Magnetostrictive
CoFe2O4 nanoparticles are fabricated using hydrothermal synthesis, followed by
sol-gel synthesis to create the multiferroic BiFeO3 shell. We perform
theoretical modeling to study the magnetic field induced polarization on the
surface of magnetoelectric nanoparticles. The results obtained from these
simulations are consistent with the experimental findings of the piezo-force
microscopy analysis, where we observe changes in the piezoresponse of the
nanoparticles under magnetic fields. Next, we investigate the magnetoelectric
effect induced catalytic degradation of organic pollutants under AC magnetic
fields and obtained 97% removal efficiency for synthetic dyes and over 85%
removal efficiency for routinely used pharmaceuticals. Additionally, we perform
trapping experiments to elucidate the mechanism behind the magnetic field
induced catalytic degradation of organic pollutants by using scavengers for
each of the reactive species. Our results indicate that hydroxyl and superoxide
radicals are the main reactive species in the magnetoelectrically induced
catalytic degradation of organic compounds
Homogeneous nucleation of colloidal melts under the influence of shearing fields
We study the effect of shear flow on homogeneous crystal nucleation, using
Brownian Dynamics simulations in combination with an umbrella sampling like
technique. The symmetry breaking due to shear results in anisotropic radial
distribution functions. The homogeneous shear rate suppresses crystal
nucleation and leads to an increase of the size of the critical nucleus. These
observations can be described by a simple, phenomenological extension of
classical nucleation theory. In addition, we find that nuclei have a
preferential orientation with respect to the direction of shear. On average the
longest dimension of a nucleus is along the vorticity direction, while the
shortest dimension is preferably perpendicular to that and slightly tilted with
respect to the gradient direction.Comment: 10 pages, 8 figures, Submitted to J. Phys.: Condens. Matte
Magnetic fabrics and frictional behaviour of subduction zone input material from the erosive continental margin offshore Costa Rica (Costa Rica Seismogenesis Project, IODP expeditions 334 and 344)
Organic-Silica Interactions in Saline:Elucidating the Structural Influence of Calcium in Low-Salinity Enhanced Oil Recovery
Abstract Enhanced oil recovery using low-salinity solutions to sweep sandstone reservoirs is a widely-practiced strategy. The mechanisms governing this remain unresolved. Here, we elucidate the role of Ca2+ by combining chemical force microscopy (CFM) and molecular dynamics (MD) simulations. We probe the influence of electrolyte composition and concentration on the adsorption of a representative molecule, positively-charged alkylammonium, at the aqueous electrolyte/silica interface, for four electrolytes: NaCl, KCl, MgCl2, and CaCl2. CFM reveals stronger adhesion on silica in CaCl2 compared with the other electrolytes, and shows a concentration-dependent adhesion not observed for the other electrolytes. Using MD simulations, we model the electrolytes at a negatively-charged amorphous silica substrate and predict the adsorption of methylammonium. Our simulations reveal four classes of surface adsorption site, where the prevalence of these sites depends only on CaCl2 concentration. The sites relevant to strong adhesion feature the Oâ silica site and Ca2+ in the presence of associated Clâ, which gain prevalence at higher CaCl2 concentration. Our simulations also predict the adhesion force profile to be distinct for CaCl2 compared with the other electrolytes. Together, these analyses explain our experimental data. Our findings indicate in general how silica wettability may be manipulated by electrolyte concentration
Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding
Microbial production of iron (oxyhydr)oxides on polysaccharide rich biopolymers occurs on such a vast scale that it impacts the global iron cycle and has been responsible for major biogeochemical events. Yet the physiochemical controls these biopolymers exert on iron (oxyhydr)oxide formation are poorly understood. Here we used dynamic force spectroscopy to directly probe binding between complex, model and natural microbial polysaccharides and common iron (oxyhydr)oxides. Applying nucleation theory to our results demonstrates that if there is a strong attractive interaction between biopolymers and iron (oxyhydr)oxides, the biopolymers decrease the nucleation barriers, thus promoting mineral nucleation. These results are also supported by nucleation studies and density functional theory. Spectroscopic and thermogravimetric data provide insight into the subsequent growth dynamics and show that the degree and strength of water association with the polymers can explain the influence on iron (oxyhydr)oxide transformation rates. Combined, our results provide a mechanistic basis for understanding how polymer-mineral-water interactions alter iron (oxyhydr)oxides nucleation and growth dynamics and pave the way for an improved understanding of the consequences of polymer induced mineralization in natural systems
Brands in international and multiâplatform expansion strategies: economic and management issues
Powerful media branding has historically facilitated successful international expansion on the part of magazine and other content forms including film and TV formats. Multi-platform expansion is now increasingly central to the strategies of media companies and, as this chapter argues, effective use of branding in order to engage audiences effectively and to secure a prominent presence across digital platforms forms a core part of this. Drawing on original research into the experience of UK media companies, this chapter highlights some of the key economic, management and socio-cultural issues raised by the ever-increasing role of brands and branding in the strategies of international and multi-platform expansion that are increasingly common- place across media
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