17,533 research outputs found
Image Library: Acmopyle grayae A. Andruchow-Colombo, G. Rossetto-Harris, Tim J. Brodribb, M.A. Gandolfo, P. Wilf and Dacrycarpus engelhardti Wilf et Andruchow-Colombo
No full textFull-resolution image library of the two fossil Podocarpaceae species from Argentina- Acmopyle grayae A. Andruchow-Colombo, G. Rossetto-Harris, Tim J. Brodribb, M.A. Gandolfo, P. Wilf and Dacrycarpus engelhardti Wilf et Andruchow-Colombo - that were published here:Andruchow-Colombo, A., Rossetto-Harris, G., Brodribb, T. J., Gandolfo, M. A., and Wilf, P.. 2023. A new fossil Acmopyle with accessory transfusion tissue and potential reproductive buds: Direct evidence for ever-wet rainforests in Eocene Patagonia. American Journal of Botany e16221. https://doi.org/10.1002/ajb2.16221All photos taken by Peter Wilf.Please consult the provided Excel lookup table for the specimen data for both species and formal repository numbers.Please cite all material by repository number (not field number), prefixes MPEF-Pb, MAP-BAR, or USNM.Photo time stamp format is usually (YYYYMMDD HHMMSS).Please refer to the primary paper for all details and cite both the primary paper and this Figshare archive if you use these images.</p
Data for: Same, but different? A state-level chronology of the 2014-2016 Brazilian economic recession and comparisons with the GFC and (early data on) COVID-19.
No full textThis is the final dataset to replicate results of the following paper:
Colombo, J. A., & Lazzari, M. R. (2020). Same, but different? A state-level chronology of the 2014-2016 Brazilian economic recession and comparisons with the GFC and (early data on) COVID-19''. Economics Bulletin, 40(3), 2445-2456
Moderating Urbanization and Managing Growth: How Can Colombo Prevent the Emerging Chaos?
No full textThis paper examines urbanization trends, the growth of Colombo and its present state of development. It looks at the approaches to the planned interventions in the city and demonstrates how a uni-directional urban development has had a detrimental impactColombo, urban development, managing urbanization, planning, housing,
Advanced Modelling of Thermal Plasmas for Industrial Applications
No full textAdvanced Modelling of Thermal Plasmas for Industrial Applications
V. Colombo, E. Ghedini
Department of Mechanical Engineering (D.I.E.M.) and Research Center for Applied Mathematics (C.I.R.A.M.)
Università di Bologna, Via Saragozza 8, 40123 Bologna, Italy
Modeling results are presented for different industrial thermal plasma sources using a customized version of the commercial code FLUENT capable of 2D and 3D transient simulation with advanced CFD models that take into account turbulence effects using different approaches (Reynolds Stress Model and Large Eddy Simulation), species transport and radiation (Discrete Ordinate Model with interaction between radiation and solid surfaces). Simulations results are presented in order to show the capabilities of this modeling tool, which is very useful for the design of a wide range of atmospheric pressure thermal plasmas devices and applications, such as: ICPTs with injection of powders for spheroidization purposes (showing the trajectory and heating history of powders injected in the torch through a carrier gas together with their effect on the plasma discharge for various geometric, electric and operating conditions by means of an improved turbulent version of a 3-D previously developed code where the helicoidal coil and the gas injection section of industrial plasma torches are taken into account without geometry simplifications), twin-torch DC transferred arc plasma systems for waste treatment (showing time-dependent effects arising in the fluid flow and temperature distribution of a plasma transferred electric arc discharge generated between two suspended metallic electrodes used inside a plasma furnace for hazardous waste incineration with turbulence effects taken into account using a RANS approach, as well as the effect on the discharge characteristics of using different types of plasma gas (air and Ar/H2 mixtures), for various geometric and operating conditions), DC non-transferred arc torch for plasma spraying (3-D time dependent model to simulate the behaviour of such a device without any external assumption on the anode restriking and attachment and to simulate also the downstream expansion of the plasma jet after the torch nozzle using a LES turbulence model).
D. Bernardi, V. Colombo, E. Ghedini, A. Mentrelli, Pure and Applied Chemistry, 77, pp. 359 – 372, (2005).
D. Bernardi, V. Colombo, E. Ghedini, A. Mentrelli, T.Trombetti, Czechoslovak Journal of Physics. 54, pp. C489 - C515 (2004).
D. Bernardi, V. Colombo, E. Ghedini, A. Mentrelli, T. Trombetti, IEEE Transactions on Plasma Science, 33, pp. 424–425 (2005).
D. Bernardi, V. Colombo, E. Ghedini, A. Mentrelli, IEEE Transactions on Plasma Science, 33, pp. 426–427 (2005).
D. Bernardi, V. Colombo, E. Ghedini, S. Melini, A. Mentrelli, Three-dimensional time-dependent modelling of magnetically deflected transferred arc, IEEE Transaction On Plasma Science 33, 428-429 (2005).
V. Colombo, E. Ghedini, Time Dependent 3-D Simulation of a DC Non-Transferred Arc Plasma Torch: Anode Attachment and Downstream Region Effects, Proc. of the 17th Int. Symp. on Plasma Chemistry-ISPC17 (2005).
V. Colombo, E. Ghedini, A. Mentrelli, E. Malfa, 3-D Modelling of DC Transferred arc Twin Torch for Asbestos Inertization. In Nuclear Reactor Physics. A collection of papers dedicated to Silvio Edoardo Corno, Torino, C.L.U.T., pp. 169 - 196 (2005).
V. Colombo, E. Ghedini, Time-Dependent 3-D Modelling Of Dc Transferred Arc Twin Torch, High Technology Plasma Processes 9 - HTPP9, St. Petersburg (2006)
Quaternionic closed operators, fractional powers and fractional diffusion processes
No full textThis book presents a new theory for evolution operators and a new method for defining fractional powers of vector operators. This new approach allows to define new classes of fractional diffusion and evolution problems. These innovative methods and techniques, based on the concept of S-spectrum, can inspire researchers from various areas of operator theory and PDEs to explore new research directions in their fields. This monograph is the natural continuation of the book: Spectral Theory on the S-Spectrum for Quaternionic Operators by Fabrizio Colombo, Jonathan Gantner, and David P. Kimsey (Operator Theory: Advances and Applications, Vol. 270)
A choice between smooth and nonsmooth models
No full textPiecewise smooth systems are frequently used as an alternative representation of mena with multiple time scales. One would of course expect that the qualitative behaviour of a model be independent of the choice of a smooth or piecewise smooth representation. We address this issue by building on some classical results from piecewise smooth systems theory
Benzofuran Derivatives Activators of the Chaperone Protein Hsp90: Synthesis, Interaction Studies and Biological Effects
No full textWe have recently reported that allosteric modulation of the chaperone protein Hsp901 can be achieved in an allosteric fashion using a family of 2-phenyl-benzofuran derivatives that target an allosteric pocket at the C-terminal domain of the protein.2,3 These ligands are mainly activators of the chaperone ATPase activity3 and are accelerators of the protein internal dynamics.4 As a result, they tune Hsp90 chaperone activity in ways that we are just beginning to unravel.
We are going to present the synthetic approaches towards an expanded library of about 40 benzofuran derivatives diversified at positions R1 and R2 along with the interaction studies with full length Hsp905 and the effects on Hsp90 enzymatic and chaperoning activity.
Figure 1: 2-phenyl-benzofuran diversification at positions R1 and R2 (top) and docked complex of Hsc82 (Hsp90 yeast form) with one of our derivatives (bottom).
1. Jackson, S. E. In Molecular Chaperones; Jackson, S., Ed.; Springer Berlin Heidelberg: 2013; Vol. 328, p 155.
2. Morelli, L.; Bernardi, A.; Sattin, S. Carbohydr Res 2014, 390C, 33.
3. Sattin, S.; Tao, J.; Vettoretti, G.; Moroni, E.; Pennati, M.; Lopergolo, A.; Morelli, L.; Bugatti, A.; Zuehlke, A.; Moses, M.; Prince, T.; Kijima, T.; Beebe, K.; Rusnati, M.; Neckers, L.; Zaffaroni, N.; Agard, D. A.; Bernardi, A.; Colombo, G. Chem. Eur. J. 2015, 21, 13598.
4. Vettoretti, G.; Moroni, E.; Sattin, S.; Tao, J.; Agard, D. A.; Bernardi, A.; Colombo, G. Sci Rep 2016, 6, 23830.
5. Sattin, S.; Panza, M.; Vasile, F.; Berni, F.; Goti, G.; Tao, J.; Moroni, E.; Agard, D.; Colombo, G.; Bernardi, A. Eur. J. Org. Chem. 2016, DOI: 10.1002/ejoc.201600420
Tunnel du Simplon : projet de 1893
No full text[par Giuseppe Colombo, Francis Fox, C. J. Wagner]Bd. 1: [2] Bl., 69 S., [1] Bl., 4 Tafeln, 30,5 cm ; Bd. 2: 10 Tafeln, 36 c
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