| Table of contents Rev. ion vol.28 no.2 Bucaramanga July/Dec. 2015 Editorial | | | | | | | Articles of Scientific and Technological Research | | | | · Synthesis and evaluation of fl uoride-based coatings using alternative sources of HF on the Elektron 21 magnesium alloy for biodegradable orthopedic implants application Rojas Flórez, Leidy Andrea; Briceño Urbina, Henry Alberto; Hernández Barrios, Carlos Andrés; Nieves Barrera, Claudia; Peña Ballesteros, Darío Yesid; Viejo Abrante, Fernando; Coy Echeverria, Ana Emilse
| | | | · Impact of CO2 on cell density in six marine microalgae strains Oscanoa Huaynate, Alberto I; Ynga Huamán, Gheraldine A; Chang Ávila, Iliana L; Aguilar Samanamud, Carla P
| | | | · Preliminary development of a methodology for supply CO2 to Botryococcus braunii crops for biofuel production Jaimes Villarreal, Nestor Andres; Kafarov, Viatcheslav
| | | | · Effect of concentration and pressure on the boiling point elevation of tomato paste (Lycopersicon esculentum Mill.) Ortega Quintana, Fabián Alberto; Isaza Maya, Yeni Lorena; Tirado Medrano, Tammy; Montes Montes, Everaldo Joaquín
| | | | · Adsorption of Ni(II) ions on pellets of benthonitic clay Mejía Miranda, Carlos; Laverde, Dionisio; Avella, Verónica; Peña Ballesteros, Darío Yesid
| | | | · Xanthan gum production by X. Campestris ATCC 13951 using deproteinated cheese whey Sobenes G., Jenny; Alegre, Ranulfo M.
| | | | · Effect of temperature and concentration on rheological properties of mango pulp variety Tommy Atkins Ortega Quintana, Fabián Alberto; Salcedo Galván, Eder; Arrieta Rivero, Ronny; Torres Gallo, Ramiro
| | | | · Effect of sorbitol on structural relaxation of gelatin fi lms in the glassy state Díaz-Calderón, Paulo; Quero, Franck; MacNaughtan, Bill; Rousennova, Mina; Enrione, Javier
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