Propuesta de una Metodología para detección de Drogas de Abuso en Muestras de Orina, en el Laboratorio de Análisis Clínicos del Centro de Investigacion en Ciencias Médicas (CICMED)

Las drogas de abuso son uno de los principales problemas sanitarios a los que se enfrentan los profesionales de la salud, no solo en nuestro país sino en la totalidad del mundo

Cognitive Meaning of Inclusive Education of Students with Disability in Regular Education Teachers

Background: Successful inclusive education strongly represents the development of society, promoting better living conditions for students with disabilities. Objective: This study explored the mental representation of knowledge of inclusive education and disability held by regular education teachers with experience in this field. Methods: First, participants performed a conceptual definition task through the Natural Semantic Networks technique. Teachers defined ten target concepts related to the cognitive schema of inclusive education. They had 60 seconds to define each target, using verbs, adjectives, nouns, and pronouns, after rating the definers’ quality to conceptualize the target. Subsequently, the authors implemented a constraint satisfaction neural network to simulate the school inclusion schema's behavior and carried out a chronometric cognitive analysis using data from the first study. Results: Participants organized the educative inclusion meaning on four dimensions (definition, actors' qualities, stakeholders, and inclusion program effects). However, some concepts about school integration and conventional education appeared in the educative inclusion schema. Further, computer simulations showed that participants seem to have an internal locus of control over inclusive actions. Generally, experience with students with disabilities promotes the formation of a favorable educational inclusion schema. However, even though participants in this study have experience in inclusion programs, they are still constructing the inclusive education schema. Conclusion: The cognitive evaluation provides useful information to empower teachers to be aware of their knowledge and biases on inclusive education and the importance of their work in the success of school inclusion programs

Una mirada al diseño, a los procesos perceptivos y al eye tracking

El acelerado ritmo de vida que permea en la sociedad actual se encuentra inmerso en un contexto dinámico bombardeado por una gran cantidad de información visual captada por el sentido de la vista. The rapid pace of life that permeates today’s society is immersed in a dynamic context bombarded by a great deal of visual information captured by the sense of sight. O ritmo acelerado de vida que permeia a sociedade atual está imerso em um contexto dinâmico bombardeado por uma grande quantidade de informações visuais capturadas pelo sentido da visão

Experimental Type 2 Diabetes Induces Enzymatic Changes in Isolated Rat Enterocytes

Diabetes in humans and in experimental animals produces changes in the function and structure of the small intestine. The authors determined the activity of intestinal disaccharidases (maltase and sucrase) and of 6-phosphofructo-1-kinase (PFK-1) in enterocytes isolated from the small intestine of male Wistar rats (2.5 to 3 months old) with experimental nonobese type 2 diabetes, induced by streptozotocin (STZ) injection on the day of birth (n0-STZ) or on the 5th day of life (n5-STZ), with different degrees of hyperglycemia and insulinemia (n0-STZ and n5-STZ models). The glycemia (mmol/L) of the diabetic rats (n0-STZ: 8.77 ± 0.47; n5-STZ: 20.83 ± 0.63) was higher (P < .01) than that of the nondiabetic (ND) rats (5.99 ± 0.63); on the contrary, the insulinemia (ng/mL) was significantly lower in both n0-STZ (1.74 ± 0.53; P < .05) and n5-STZ (1.12 ± 0.44; P < .01) diabetic rats than in normal rats (3.77 ± 0.22). The sucrase and maltase activities (U/g protein) in diabetic rats (n0-STZ: 89 ± 9 and 266 ± 12; n5-STZ: 142 ± 23 and 451 ± 57) were significantly higher than those in the ND group (66 ± 5 and 228 ± 22). The PFK-1 activities (mU/mg protein) in the diabetic models (n0-STZ: 14.89 ± 1.51; n5-STZ: 13.35 ± 3.12) were significantly lower (P < .05) than in ND rats (20.54 ± 2.83). The data demonstrated enzymatic alterations in enterocytes isolated fromthe small intestine of n0-STZ rats that are greater (P < .05) than in the more hyperglycemic and hypoinsulinemic n5-STZ animals. The results also show that nonobese type 2–like diabetes in the rat produces modifications that favor an increase in glucose absorption rates

Correlation between TDR and FDR Soil Moisture Measurements at Different Scales to Establish Water Availability at the South of the Yucatan Peninsula

The advantages that offer new techniques such as remote sensing to estimate soil moisture require local accurate measurements of this variable since these values are key to validate the estimated ones. The chapter analyses the performance to measure soil moisture using different sensors that correspond to different scales at the field. Sensors used were based on reflectometry, time and frequency, which were calibrated with gravimetric measurements. Additionally to have accurate soil moisture values, the idea is to have an operational system in a very complex ecosystem in order to see its influence to maintain the aguadas (small natural lagoons) at the south of the Yucatan Peninsula. These aguadas represent an important source of water in the region because the area presents shortage associated not only with the climate variation but also with high influence due to the type of soils (karst). Results demonstrated that the sensors tested were accurate particularly in the rainy season with some differences in the dry period, and also, the sensitivity of each device was determinant. Results will cover different areas from point to small regions (<4 km), since soil moisture data obtained could be extrapolated to different scales based on the climate, vegetation and type of soil, to compute the real water availability for the communities in the zone

The drying and rehydration process of chayote (Sechium edule)

[EN] Chayote (Sechium edule) is a fruit that is said to be a nutritional and have healing properties. 90% of its weight is made up of water which makes this fruit highly perishable. Convective drying is an excellent option to reduce the loss of this product as well as prolong its shelf life. Thus, the main objective of this work was to assess the physicochemical characteristics of different chayote samples (slices, cubes and strips) during its drying and rehydration process. Results suggest that cubes represent an alternative for commercial use as an additive in foodstuffs due to their size.Álvarez-Morales, A.; Luna-Solano, G.; Ramírez-Martínez, A. (2018). The drying and rehydration process of chayote (Sechium edule). En IDS 2018. 21st International Drying Symposium Proceedings. Editorial Universitat Politècnica de València. 1107-1114. https://doi.org/10.4995/IDS2018.2018.78601107111