| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Martinez-Tejada, Hader Vladimir
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2018Effect of the tryptone concentration on the calcium carbonate biomineralization mediated by Bacillus cereuscitations
- 2018Synthesis and morphological characterization of Li-Ti/PVP fibers as precursors for Li4Ti5O12 towards its future use as anode materials in Li-ion fiber batteries by means of Electrospinningcitations
- 2018Structural health monitoring using carbon nanotube/epoxy composites and strain-field pattern recognition
- 2018Electrospinning synthesis of Li-Fe-P/PAN based micro-nanofibers as precursors for LiFePO4 cathode material in Li-ion fiber battery applicationscitations
- 2017Solid-state fabrication of Al/CNTs nanocompositescitations
- 2017Computational simulation of a diffusion process of carbon nanotubes in aluminium to improve the mechanical properties of a composite material
- 2013Synthesis and investigation of PMMA films with homogeneously dispersed multiwalled carbon nanotubescitations
- 2012Characterization and electrocatalytic properties of sonochemical synthesized PdAg nanoparticlescitations
- 2009Consolidation of carbon nanofiber/copper composites by hot-pressing and spark plasma sinteringcitations
- 2008One-step SSM process by MSC & HPDC for metallic components
- 2006Constitutive model of the alloy 2117-T4 at low strain rates and temperaturescitations
- 2005PRODUCCIÓN Y CARACTERIZACIÓN DE PARTÍCULAS Y FIBRAS CORTAS DE β-SiC OBTENIDAS A PARTIR DE CÁSCARA DE ARROZ. (Spanish)
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article
Effect of the tryptone concentration on the calcium carbonate biomineralization mediated by Bacillus cereus
Abstract
<p>Five tryptone concentrations (0.2%, 0.4%, 0.6%, 0.8% and 1.0%) were evaluated on calcium carbonate biomineralization processes, using 0.5% of calcium acetate. A culture of Bacillus cereus, isolated from the gardens of The Universidad Pontificia Bolivariana (Medellin, Antioquia, Colombia) was used in all the assays. The experiments were monitored by pH measurements and mineralogical analyses of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Scanning electronic microscopy (SEM). Vaterite was the predominant polymorph in the precipitates after 6 days of the process. However, a considerable proportion of calcite appeared (above 30%) when the tryptone concentration was 0.4% or below. Additionally, the other experiments had a similar precipitate formation (between 3.2-3.6 g/L) except the assay using 0.2% of tryptone, which presented a low calcium carbonate production (1.79 g/L). A tryptone concentration below 0.4% would limit the bacterial metabolism and CO<sub>2</sub> formation, necessary for calcium carbonate production.</p>