Search Results - "BOLIVAR, F"

Influence of nitrogen variation on the microstructrual, mechanical and tribological properties of CNx coatings deposited by dc unbalanced magnetron sputtering by Contreras, E., Bolívar, F., Gómez, M.A.

“…The increasing interest for new coatings with higher properties, opened the doors to research of carbon nitrides (CNx), these coatings are attractive for…”
Get full text

Crossing kingdoms: Using decellularized plants as perfusable tissue engineering scaffolds by Gershlak, J, Hernandez, S, Fontana, G, Perreault, L, Hansen, K, Larson, S, Binder, B, Dolivo, D, Yang, T, Dominko, T, Rolle, M, Weathers, P, Medina-Bolivar, F, Cramer, C, Murphy, W, Gaudette, G

“…Abstract Despite significant advances in the fabrication of bioengineered scaffolds for tissue engineering, delivery of nutrients in complex engineered human…”
Get full text

Determination of synergistic effect between roughness and surface chemistry on cell adhesion of a multilayer Si - Hydroxyapatite coating on Ti6Al4V obtained by magnetron sputtering by Pérez Zapata, K., Lenis, J.A., Rico, P., Ribelles, J.L. Gómez, Bolívar, F.J.

“…•It is possible to obtain multilayer Si-hydroxyapatite systems by Magnetron Sputtering.•Modification of Ti6Al4V with a Si-hydroxyapatite coating improves its…”
Get full text

Development of multilayer Hydroxyapatite - Ag/TiN-Ti coatings deposited by radio frequency magnetron sputtering with potential application in the biomedical field by Lenis, J.A., Bejarano, G., Rico, P., Ribelles, J.L. Gómez, Bolívar, F.J.

“…The use of composite coatings is emerging as a great alternative to conventional coatings, allowing the combination of different superficial properties that…”
Get full text

Mechanical, structural, and biological evaluation of multilayer HA-Ag/TiO2/TiN/Ti coatings on Ti6Al4V obtained by magnetron sputtering for implant applications by Lenis, J.A., Romero, Elbert Contreras, Macías, Abel Hurtado, Rico, P., Ribelles, J.L. Gómez, Pacha-Olivenza, M.A., González-Martín, M.L., Bolívar, F.J.

“…In the present work the surface of Ti6Al4V alloy, widely used for the fabrication of implants, was modified by incorporating a novel biocompatible and…”
Get full text

Effect of thermal treatment on structure, phase and mechanical properties of hydroxyapatite thin films grown by RF magnetron sputtering by Lenis, J.A., Hurtado, F.M., Gómez, M.A., Bolívar, F.J.

“…Hydroxyapatite (HA) thin films with a Ca/P ratio of 1.69 and approximately 500 nm in thickness were deposited by radio frequency magnetron sputtering on…”
Get full text

Bioactivity and mechanical properties of plasma-sprayed coatings of bioglass powders by Monsalve, M., Ageorges, H., Lopez, E., Vargas, F., Bolivar, F.

“…Bioactive glass powders were prepared from four different types of oxides (SiO2, P2O5, CaO and MgO). These oxides were mixed, melted and milled to produce two…”
Get full text

Microbial communities adhering to the obverse and reverse sides of an oil painting on canvas: identification and evaluation of their biodegradative potential by López-Miras, M, Piñar, G, Romero-Noguera, J, Bolívar-Galiano, F. C, Ettenauer, J, Sterflinger, K, Martín-Sánchez, I

“…In this study, we investigated and compared the microbial communities adhering to the obverse and the reverse sides of an oil painting on canvas exhibiting…”
Get full text

Characterization of titanium powders processed in n-hexane by high-energy ball milling by Restrepo, A. H., Ríos, J. M., Arango, F., Correa, E., Zuleta, A. A., Valencia-Escobar, A., Bolivar, F. J., Castaño, J. G, Echeverría, F. E.

“…The effect of speed and milling time on the morphology, crystallite size, and phase composition of Ti Cp powders processed in n-hexane by high-energy ball…”
Get full text

Effects of Hot Isostatic Pressing on the Characteristics of PM Processed Mg-Based Alloys by Galindez, Y., Correa, E., Zuleta, A. A., Bolivar, F., Echeverría, F.

“…Powder metallurgy (PM) involves processes of mechanical milling, pressing, and sintering. The last of these can be done by different methods. One promising…”
Get full text

Laboratory metabolic evolution improves acetate tolerance and growth on acetate of ethanologenic Escherichia coli under non-aerated conditions in glucose-mineral medium by Fernández-Sandoval, M. T., Huerta-Beristain, G., Trujillo-Martinez, B., Bustos, P., González, V., Bolivar, F., Gosset, G., Martinez, A.

“…In this work, Escherichia coli MG1655 was engineered to produce ethanol and evolved in a laboratory process to obtain an acetate tolerant strain called MS04 (…”
Get full text

Optimum melanin production using recombinant Escherichia coli by Lagunas-Muñoz, V.H, Cabrera-Valladares, N, Bolívar, F, Gosset, G, Martínez, A

“…A parametric study was conducted to define optimum conditions to achieve high yields in the conversion of tyrosine to eumelanin (EuMel) using recombinant…”
Get full text

Camptothecin and 10-hydroxycamptothecin from Camptotheca acuminata hairy roots by Lorence, A, Medina-Bolivar, F, Nessler, C L

“…Camptothecin (CPT) is an anticancer and antiviral alkaloid produced by the Chinese tree Camptotheca acuminata (Nyssaceae) and some other species belonging to…”
Get full text

Effect of Ce and La additions in low temperature aluminization process by CVD–FBR on 12%Cr ferritic/martensitic steel and behaviour in steam oxidation by Sánchez, L., Bolívar, F.J., Hierro, M.P., Pérez, F.J.

“…Two different coatings based of iron aluminide on 12% Cr ferritic–martensitic steel have been developed by CVD–FBR technique, which is modified by the…”
Get full text

Preparation and characterization of electroless Ni―P―Fe3O4 composite coatings and evaluation of its high temperature oxidation behaviour by ZULETA, A. A, GALVIS, O. A, CASTANO, J. G, ECHEVERRIA, F, BOLIVAR, F. J, HIERRO, M. P, PEREZ-TRUJILLO, F. J

Get full text

Effects of reactive gaseous mixture and time on the growth rate and composition of aluminium diffusion coatings by CVD-FBR on 12Cr-ferritic steel by Sánchez, L., Bolívar, F.J., Hierro, M.P., Trilleros, J.A., Pérez, F.J.

“…Aluminium deposition on ferritic steel HCM12 A (P-122) by chemical vapour deposition in a fluidized bed reactor (CVD-FBR) has been studied. A thermodynamic…”
Get full text

Temperature dependence of the oxide growth on aluminized 9–12%Cr ferritic-martensitic steels exposed to water vapour oxidation by Sánchez, L., Bolívar, F.J., Hierro, M.P., Pérez, F.J.

“…High temperature steam oxidation resistance of aluminide coatings obtained on 9–12% Cr ferritic-martensitic steels, which have been developed by chemical…”
Get full text

Simulation and experimental approach to CVD-FBR aluminide coatings on ferritic steels under steam oxidation by Leal, J., Alcalá, G., Bolívar, F.J., Sánchez, L., Hierro, M.P., Pérez, F.J.

“…The ferritic steels used to produce structural components for steam turbines are susceptible to strong corrosion and creep damage due to the extreme working…”
Get full text

Metabolic engineering and protein directed evolution increase the yield of L-phenylalanine synthesized from glucose in Escherichia coli by Báez-Viveros, José Luis, Osuna, Joel, Hernández-Chávez, Georgina, Soberón, Xavier, Bolívar, Francisco, Gosset, Guillermo

“…L‐phenylalanine (L‐Phe) is an aromatic amino acid with diverse commercial applications. Technologies for industrial microbial synthesis of L‐Phe using glucose…”
Get full text

Analytical characterisation of the biodeterioration of diterpenoid labdanic varnishes used in pictorial techniques: Sandarac and Manila copal by Romero-Noguera, J., Martín-Sánchez, I., Doménech-Carbó, M.T., Osete-Cortina, L., López-Miras, M.M., Bolívar-Galiano, F.

“…The deterioration produced by fungal and bacterial growth on the sandarac and Manila copal, diterpenoid varnishes traditionally used as art materials, was…”
Get full text