Search Results - "Rojas, Juan A."

Unsupervised feature selection algorithm for multiclass cancer classification of gene expression RNA-Seq data by García-Díaz, Pilar, Sánchez-Berriel, Isabel, Martínez-Rojas, Juan A., Diez-Pascual, Ana M.

“…This paper presents a Grouping Genetic Algorithm (GGA) to solve a maximally diverse grouping problem. It has been applied for the classification of an…”
Get full text

Model-Based Systems Engineering Applied to Trade-Off Analysis of Wireless Power Transfer Technologies for Implanted Biomedical Microdevices by Martínez Rojas, Juan A., Fernández, José L., Sánchez Montero, Rocío, López Espí, Pablo Luis, Diez-Jimenez, Efren

“…Decision-making is an important part of human life and particularly in any engineering process related to a complex product. New sensors and actuators based on…”
Get full text

Combining dimensional analysis with model based systems engineering by Martínez‐Rojas, Juan A., Fernández‐Sánchez, José L.

“…The model based systems engineering (MBSE) approach describes a system using consistent views to provide a holistic model as complete as possible. MBSE…”
Get full text

Technology appropriation and Mapuche self-communication: An interpretation of indigenous e-communication in Chile by Rivera, Claudio A Maldonado, del Valle Rojas, Juan A

“…The use and appropriation of digital information and communication technologies by Mapuche communicators and activists has turned into a new process of…”
Get full text

Study of the Optimal Waveforms for Non-Destructive Spectral Analysis of Aqueous Solutions by Means of Audible Sound and Optimization Algorithms by García Díaz, Pilar, Utrilla Manso, Manuel, Alpuente Hermosilla, Jesús, Martínez Rojas, Juan A.

“…Acoustic analysis of materials is a common non-destructive technique, but most efforts are focused on the ultrasonic range. In the audible range, such studies…”
Get full text

Model‐based systems engineering approach to the study of electromagnetic interference and compatibility in wireless powered microelectromechanical systems by Martinez‐Rojas, Juan A., Fernandez‐Sanchez, Jose L., Fernandez‐Munoz, Miguel, Sanchez‐Montero, Rocio, Lopez‐Espi, Pablo L., Diez‐Jimenez, Efren

“…Electromagnetic Interference and Compatibility (EMI–EMC) are a serious problem in Microelectromechanical Systems (MEMS), and specially in powered by wireless…”
Get full text

Yeast competition during alcoholic fermentation of agave. Its comprehension as a way to reach sustainable mezcal production by Acosta‐García, Erick D., Páez‐Lerma, Jesús B., Moreno‐Jiménez, Martha R., Rojas‐Contreras, Juan A., Soto‐Cruz, Nicolás O.

“…The mezcal industry faces challenges such as overexploitation of wild agaves, poor cooking processes, incomplete fermentation, little control of the…”
Get full text

Role of the Nfo and ExoA Apurinic/Apyrimidinic Endonucleases in Repair of DNA Damage during Outgrowth of Bacillus subtilis Spores by IBARRA, Juan R, OROZCO, Alma D, ROJAS, Juan A, LOPEZ, Karina, SETLOW, Peter, YASBIN, Ronald E, PEDRAZA-REYES, Mario

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
Get full text

The Nutritional Quality of the Culture Medium Influences the Survival of Non-Saccharomyces Yeasts Co-Cultured with Saccharomyces cerevisiae by Acosta-García, Erick D., Soto-Cruz, Nicolás O., Valdivia-Hernández, Edwin A., Rojas-Contreras, Juan A., Moreno-Jiménez, Martha R., Páez-Lerma, Jesús B.

“…Yeast-yeast interactions have been studied mainly using wine yeasts. However, studies are rare for native yeasts from agave juice fermentation. Therefore, this…”
Get full text

Miniaturized High Gain Flexible Spiral Antenna Tested in Human-Like Tissues by Fernandez-Munoz, Miguel, Sanchez-Montero, Rocio, Lopez-Espi, Pablo Luis, Martinez-Rojas, Juan A., Diez-Jimenez, Efren

“…A miniaturized helical antenna is presented in this work. The antenna is flexible, it is 6100 μm long and it has a diameter of 352 μm. This antenna has such a…”
Get full text

Design and Optimization of a Fuzzy Logic System for Academic Performance Prediction by Rojas, Juan A., Espitia, Helbert E., Bejarano, Lilian A.

“…Currently, in Colombia, different problems in education exist; one of them is the inconvenience in tracing and controlling the learning trajectories that…”
Get full text

Implicit public debt thresholds: An operational proposal by Alloza, Mario, Andrés, Javier, Pérez, Javier J., Rojas, Juan A.

“…Gauging the public debt-to-GDP ratio a country can sustain in the medium-run without putting fiscal sustainability at risk is a question of key relevance for…”
Get full text

Heterologous expression of a novel psychrophilic Cu/Zn superoxide dismutase from Deschampsia antarctica by García Echauri, Sergio A., Gidekel, Manuel, Moraga, Ana Gutiérrez, Ordóñez, Leandro G., Rojas Contreras, Juan A., Barba de la Rosa, Ana P., De León Rodríguez, Antonio

“…Superoxide dismutase (SOD) catalyzes the conversion of the superoxide radical ( O 2 −) into oxygen and hydrogen peroxide. Deschampsia antarctica is a plant…”
Get full text

Thermal Sensitivity of Some Plantain Micronutrients during Deep-Fat Frying by Avallone, Sylvie, Rojas-Gonzalez, Juan A, Trystram, Gilles, Bohuon, Philippe

“…The impact of deep-fat frying on the micronutrient content of plantain (Musa AAB"barraganete") was evaluated during processing of plantain chips called…”
Get full text

Stabilization of dimeric β-glucosidase from Aspergillus niger via glutaraldehyde immobilization under different conditions by Vazquez-Ortega, Perla Guadalupe, Alcaraz-Fructuoso, Maria Teresa, Rojas-Contreras, Juan A., López-Miranda, Javier, Fernandez-Lafuente, Roberto

“…[Display omitted] •Immobilization via ion exchange improved dimeric enzyme Β-glucosidase stability, but there were risks of enzyme leakage.•The enzyme was also…”
Get full text

Effects of coffee with different roasting degrees on obesity and related metabolic disorders by Gamboa-Gómez, Claudia I., Barragán-Zúñiga, Laura J., Guerrero-Romero, Fernando, Martínez-Aguilar, Gerardo, Luis Gónzalez, José, Valenzuela-Ramírez, Almendra A., Rojas-Contreras, Juan A., Anese, Monica, Cervantes Flores, Maribel, Alongi, Marilisa

“…This study aimed to assess the effect of unroasted, dark and very dark roasted coffee on obesity and metabolic disorders in obese rats. All coffee samples…”
Get full text

Modelling the impact of aging on social security expenditures by Jimeno, Juan F., Rojas, Juan A., Puente, Sergio

“…In this paper, we survey the features of different approaches available in the literature used to study the effects of population aging on Social Security…”
Get full text

Influence of coffee roasting degree on inflammatory and oxidative stress markers in high-fructose and saturated fat-fed rats by Anese, Monica, Alongi, Marilisa, Cervantes-Flores, Maribel, Simental-Mendía, Luis E., Martínez-Aguilar, Gerardo, Valenzuela-Ramírez, Almendra A., Rojas-Contreras, Juan A., Guerrero-Romero, Fernando, Gamboa-Gómez, Claudia I.

“…[Display omitted] •High-fructose and saturated fat diet lead to inflammation and oxidative stress in rats.•The anti-inflammatory effect of coffee increases…”
Get full text

Foreign direct investment and spillovers: gradualism may be better by Desmet, Klaus, Meza, Felipe, Rojas, Juan A.

“…The standard argument says that in the presence of positive spillovers foreign direct investment should be promoted and subsidized. In contrast, this paper…”
Get full text

Life-cycle earnings, cohort size effects and social security: a quantitative exploration by Rojas, Juan A.

“…One of the features of the large overlapping generations model pioneered by Auerbach and Kotlikoff (1987) Dynamic Fiscal Policy is that individuals with…”
Get full text