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PublicationKuskaya: A training program for collaboration and innovation in global health 359(Grupo planeta IQ 359, 2018-10-10)To solve increasingly complex global health problems, health professionals must collaborate with professionals in non-health-related fields. The Universidad Peruana Cayetano Heredia and University of Washington created the NIH-funded Kuskaya training program in response to the need for transformative global health training for talented graduates from all disciplines. Kuskaya is a 1-year, interdisciplinary training program that teaches Peruvian and US graduates critical skills related to public health research through the design and implementation of a collaborative research project in Peru. Between 2014 and 2018, the program has trained 33 fellows, of which one third were from non-health disciplines. The program is unique because it targets junior trainees from disciplines outside of the health field, the program’s curriculum is adapted to fit the fellows’ backgrounds and professional aspirations, and the structure of the program allows for collaboration within the cohort and encourages fellows to apply for additional funding and pursue advanced degrees. Lessons learned in designing the Kuskaya program include: 1) involving mentors in the fellow selection process, 2) involving fellows in existing lines of research to increase mentor involvement, 3) institutionalizing mentoring through regular works-in-progress meetings and providing mentoring materials, and 4) defining a core curriculum for all fellows while providing additional supplementary materials to meet each cohort’s needs, and evaluating their progress. Kuskaya provides an innovative model for bi-national, global health training to engage and provide a public health career pathway for all professionals. © 2019 Chan et al. 359
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PublicationA Visual Analytics Approach for Exploration of High-Dimensional Time Series Based on Neighbor-Joining Tree Actualizado(Association for Computing Machinery 333, 2018-03-02)High-dimensional time series analysis through visual techniques poses many challenges due to the visualization solutions proposed until now for exploratory tasks are not well-oriented to high volume of data Actualizado.
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PublicationNew tele-diagnostic model using volume sweep imaging for rural areas IQ Actualización 333(Institute of Electrical and Electronics Engineers Inc. 333, 2022-11-20)Advances in information and communications technologies provide a new opportunity to improve the access to healthcare in remote rural areas (RA) where there is a lack of infrastructure and medical experts Actualizado 333
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PublicationFerromagnetic resonance of quasiperiodic Au/Co Fibonacci multilayers: Magnetic anisotropy and interlayer coupling(Grupo Mundo IQ, 2019-10-10)Ferromagnetic resonance (FMR) study of quasiperiodic Au/Co Fibonacci multilayers revealed that uniform resonance modes related to the bulk Co and interface Au/Co regions of Co layers were excited in all multilayers. Paramagnetic and spin-wave resonance (SWR) modes also were observed into multilayers associated to higher order Fibonacci sequence. The FMR results show that there is no direct correlation between the number of absorption modes and the number of magnetic layers or the Fibonacci generation sequence of the quasiperiodic structure. Analysis of SWR modes revealed an interlayer effective coupling constant higher than that known for conventional Au/Co multilayers. © 2018 Elsevier B.V.
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PublicationA novel inexpensive electrochemical sensor for pyrazinoic acid as a potential tool for the identification of pyrazinamide-resistant Mycobacterium tuberculosis(Wolters Kluwer Medknow Publications, 2018-01-01)Tuberculosis (TB) is a significant cause of morbidity and mortality worldwide. The patient compliance with the long treatment regimens is essential for successful eradication. Pyrazinamide (PZA) shortens these regimens from 9 to 6 months, and therefore, improves treatment completion rates. Although PZA is a first-line medication for the treatment of TB, no simple or reliable assay to determine PZA resistance is yet available. In the presence of PZA, only susceptible Mycobacterium tuberculosis strains release pyrazinoic acid (POA). Therefore, the measurement and quantification of released POA is an indicator of PZA resistance.
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PublicationGeometric Phases in Polarization Mixed States(Pontificia Universidad Católica del Perú, 2016-01-01)Debido a la generalidad de su formulación, las fases geométricas han sido objeto de constantes investigaciones en áreas muy diversas y han llevado a muchos desarrollos, tanto en aplicaciones como en trabajo teórico. Esta tesis se incluye dentro de las investigaciones experimentales y se enfoca en las fases geométricas que aparecen al manipular el grado de libertad de polarización. Se divide en dos partes. La primera se centra en la generación eficiente de estados mixtos de polarización y comienza con su análogo clásico: luz láser parcialmente polarizada. Después de demostrar que el arreglo propuesto permite un control casi arbitrario del estado de polarización generado, este es modificado ligeramente para que trabaje con fotones individuales sin perder el grado de control obtenido. En la segunda parte se generan estados mixtos de polarización que luego son sometidos a distintas evoluciones, obteniendo as__ fases geométricas. Luego, estas son determinadas mediante su relación con las fases de Pancharatnam correspondientes, que son cantidades directamente observables. En aquellos casos en que la fase geométrica se pudo medir, el valor experimental se ajustó muy bien a la predicción teórica.
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PublicationEstudio de caso: evaluación del grado de integración de las tecnologías de información y comunicación con el modelo de curricular de la carrera de ingeniería industrial de una universidad nacional peruana(Pontificia Universidad Católica del Perú, 2017-01-01)El contexto actual, en el cual los cambios tecnológicos son exponenciales y el grado de incertidumbre es mayor; se hace necesaria la formación de ciertas capacidades que le permitan a los profesionales responder a dichas características del entorno. En ese sentido, la Universidad se enfrenta al reto de modernizar sus propuestas educativas, dejar antiguos paradigmas formativos e implementar nuevas metodologías de enseñanza. En dicho proceso las tecnologías de la información y comunicación (TIC) son una herramienta importante. Es así que el objetivo de la investigación es evaluar el nivel de integración de las TIC en la propuesta formativa de especialidad de Ingeniería Industrial de una universidad pública peruana. La evaluación se realizó siguiendo la metodología de integración de TIC – MITICA. Para dicho fin, se definió indicadores de evaluación a cada componente propuesto por el modelo MITICA; se obtuvo información mediante visita de campo, entrevista semiestructura a las autoridades, encuesta a docentes y alumnos. Como resultado de la investigación se obtuvo que le nivel de integración de las TIC con la propuesta formativa de la carrera de ingeniería industrial es de uso. Lo cual implica que los docentes utilizan las TIC para mejorar los procesos de comunicación y organización de la información durante su práctica docente. Se tiene una valoración clara de la importancia de las TIC; pero aún no se incorporan en el proceso de enseñanza-aprendizaje con un objetivo formativo.
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PublicationEvaluation of the antioxidant activities of aqueous extracts from seven wild plants from the Andes using an in vivo yeast assay(Elsevier B.V., 2021-01-01)The antioxidant activities of the aqueous extracts of seven wild plants were investigated, using both in vitro and in vivo assays. The former relied on the use of 2,2-diphenyl-1-picrylhydrazyl (DPPH) and the latter, on the sensibility towards hydrogen peroxide of the yeast sod1 mutant. The studied plants were all wild, collected at the Ccamarrara hill (4000 m.a.s.l. Cusco, Peru), and of the following species: Plantago australis, Baccharis latifolia, Ageratina sternbergiana, Stevia macbridei, Ageratina cuzcoensis, Calceolaria myriophylla, and Adiantum orbignyanum. The DPPH assay demonstrated high antioxidant contents in the dry leaves of all tested plants, with AAEAC values (ascorbic acid equivalent antioxidant capacity) ranging from 20.6 to 72.7 mg/g dry leaves. The antioxidant activities were also evident in the yeast assay, which also allowed distinction between the intracellular and extracellular effects. These in vitro and in vivo studies demonstrate the need to further investigate native wild plants from the Andes as important sources for water-soluble antioxidant compounds. © 2021 The Authors
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PublicationDraft genome sequences of enterohemorrhagic and enteropathogenic Escherichia coli strains isolated from alpacas in Peru(American Society for Microbiology, 2018-01-01)The draft genome sequences of two strains of Escherichia coli, isolated from alpacas in Peru, are reported here. ECA1 has been determined to be a strain of enterohemorrhagic E. coli and ECB1 a strain of enteropathogenic E. coli. These pathogens are responsible for hemolytic-uremic syndrome in humans and diarrhea in different mammals, respectively.