Smart Indoor Positioning/Location and Navigation: A Lightweight Approach

In this paper a new location indoor system is presented, which shows the position and orientation of the user in closed environments, as well as the optimal route to his destination through location tags. This system is called Labelee, and it makes easier the interaction between users and devices through QR code scanning or by NFC tag reading, because this technology is increasingly common in the latest smartphones. With this system, users could locate themselves into an enclosure with less interaction

Exploring the effects of photon correlations from thermal sources on bacterial photosynthesis

Thermal light sources can produce photons with strong spatial correlations. We study the role that these correlations might potentially play in bacterial photosynthesis. Our findings show a relationship between the transversal distance between consecutive absorption and the efficiency of the photosynthetic process. Furthermore, membranes where the clustering of core complexes (so-called RC-LH1) is high, display a range where the organism profits maximally from the spatial correlation of the incoming light. By contrast, no maximum is found for membranes with low core-core clustering. We employ a detailed membrane model with state-of-the-art empirical inputs. Our results suggest that the organization of the membrane's antenna complexes may be well-suited to the spatial correlations present in an natural light source. Future experiments will be needed to test this prediction.Comment: 4 pages, 2 figure

Plan padrinos Kamex International

134 páginasEn este trabajo podrán encontrar un estudio general del sector salud y belleza, los detalles de la normatividad que los rige, cuál ha sido el comportamiento del mismo, su crecimiento en los últimos años, cuáles son las oportunidades y amenazas para las empresas dentro de estos sectores. Evaluamos cuáles son las barreras de salida y de entrada para nuevos competidores y cuáles son los productos sustitutos. Además, encontrarán un estudio detallado del mercado, haciendo un análisis de los principales competidores. identificamos las fortalezas y debilidades de cada uno, el producto ideal del mercado, los atributos más importantes para el consumidor y cuál es el comportamiento de los consumidores. Presentamos informes de encuestas, entrevistas a profundidad con especialistas de cada sector, para identificar las mejores estrategias de mercadeo para posiciona y mejorar la comunicación de la marca Kamex International.In this work you can find a general study of the health and beauty sector, the details of the regulations that govern them, what has been their behavior, their growth in recent years, what are the opportunities and threats for companies within these sectors. We evaluate what are the exit and entry barriers for new competitors and what are the substitute products. In addition, they will find a detailed study of the market, making an analysis of the main competitors, we identify the strengths and weaknesses of each, the ideal product of the market, the most important attributes for the consumer and what is the behavior of consumers. We present survey reports, in-depth interviews with specialists from. each sector, to identify the best marketing strategies for positioning and improving Kamex Intemational brand communication.Magíster en MercadeoMaestrí

Persistence of decidual NK cells and KIR genotypes in healthy pregnant and preeclamptic women: a case-control study in the third trimester of gestation

<p>Abstract</p> <p>Background</p> <p>Natural Killer (NK) cells are the most abundant lymphocytes in the decidua during early gestation. The interactions of NK cells with the extravillous cytotrophoblast have been associated with a normal spiral artery remodeling process, an essential event for a successful pregnancy. Recent data indicate that alterations in the amount of decidual NK (dNK) cells contribute to the development of preeclampsia (PE). Moreover, genetic studies suggest that Killer Immunoglobulin-like Receptors (KIR) expressed in dNK cells influence the susceptibility to PE. Although dNK cells have been well characterized during early pregnancy, they have been scarcely studied in the third trimester of gestation. The aim of this work was to characterize dNK cells at the last trimester of gestation and to analyze the KIR genotype of healthy and PE women.</p> <p>Methods</p> <p>Decidual samples were obtained during Caesarean section from control (n = 10) and PE (n = 9) women. Flow cytometric analysis of CD3, CD56, CD16 and CD9 was used to characterize and quantify dNK cells in both groups. Cell surface markers from decidual leukocytes were compared with PBMC from healthy donors.</p> <p>KIR genotyping was performed in genomic DNA (control, n = 86; PE, n = 90) using <it>PCR-SSP.</it></p> <p>Results</p> <p>The results indicate that dNK cells persist throughout pregnancy. They represented 20% of total leukocytes in control and PE groups, and they expressed the same cell surface markers (CD3^-, CD56⁺, CD16^-and CD9⁺) as dNK in the first trimester of gestation. There were no significant differences in the percentage of dNK cells between control and PE groups. The analysis of KIR gene frequencies and genotypes was not statistically different between control and PE groups. The ratio of activating to inhibitory genes indicated that the overall inhibitory balance (0.2-0.5) was more frequent in the PE group (control, 31.3% <it>vs </it>PE, 45.5%), and the activating balance (0.6-1.1) was more frequent in the control group (control, 68.6% <it>vs </it>PE, 54.4%). However this difference was not significant.</p> <p>Conclusion</p> <p>We demonstrated the persistence of dNK cells in PE and control women at the third trimester of pregnancy; these dNK cells had a similar phenotype to those found during early pregnancy. The predominance of a KIR inhibitory balance in the PE group could be associated to the physiopathology of PE.</p

Valoración Del Nivel De Ansiedad En La Persona Con Diabetes Durante La Pandemia

&nbsp;Introducción: En enfermería, la investigación permite tener un panorama sobre el sentir de las personas con diabetes, lo que daría como resultado mejoras en el cuidado. Objetivo: Determinar el nivel de ansiedad en el paciente diabético que asiste al Centro de Salud Oriente de San Juan del Río, en Querétaro, México. Metodología. Estudio transversal, descriptivo; muestreo por conveniencia. Se utilizó la escala de Síntomas de Ansiedad Asociados al COVID-19 que cuenta con 5 ítems; Alfa de Cronbach de .93; 5 opciones de respuesta en escala tipo Likert. El proyecto fue registrado y evaluado ante un Comité de Investigación y Bioética. En el análisis de datos se utilizó la estadística descriptiva. Resultados: Se encuestó a 46 pacientes, el 100% diabético. 76.1% era mujer. 53.2% tiene más de 10 años de padecer la enfermedad. 54.3% atiende su condición de salud con pastillas. 89.1% ha presentado alteraciones de la glucosa; 73.9% ha presentado cefalea e incremento de la tensión arterial el 41.3%. Al respecto de la actividad física, 63% ya no realiza lo que realizaba antes de la pandemia y vinculado a la alimentación, 60.9 incrementó el consumo. 28.2% de los participantes tuvieron un nivel de ansiedad moderado y 6.5% severo. Conclusiones: Se reconoce que quien padece diabetes presenta alteraciones no sólo a nivel biológico, donde además se suma una situación de confinamiento derivada de la pandemia. Es importante establecer modelos de atención que consideren los cambios epidemiológicos actuales. Introduction: In nursing, research allows an overview of the feelings of diabetic persons, which results in improvements in care. Objective: This paper focuses on determining the level of anxiety in diabetic patients at the Oriente Health Center of San Juan del Río in Querétaro, Mexico. &nbsp; Methodology:&nbsp; Descriptive cross-sectional study and convenience sampling technique was used. The Anxiety Symptoms associated to COVID-19 scale was applied on 5 items with 5 response options on a Likert-type scale. It had a Cronbach alpha of .93 and descriptive statistics were used in the data analysis. The project was registered and evaluated before a Research and Bioethics Committee. Results: 46 patients were surveyed and the results showed that 100% were diabetic. 76.1% were females while 53.2% have suffered for more than 10 years from the disease. 54.3% treat their health condition with pills, 89.1% have presented glucose alterations, 73.9% had a headache and an increase in blood pressure, 41.3% were involved in physical activity, 63% no longer do what they did before the pandemic which was linked to food, 60.9% experienced increased consumption, 28.2% of the participants had a moderate anxiety level, and 6.5% was severe. Conclusion: It is recognized that those who suffer from diabetes present alterations not only at a biological level, but a situation of confinement derived from the pandemic is also added. It is therefore important to establish models of care that consider current epidemiological change

T- Force o Test de Squat Jump. ¿Cuál es la mejor forma de evaluar la potencia máxima en futbolistas profesionales?

In high-performance sport it is important to carry out a control to athletes, which must start from the evaluation of physical abilities every certain period of time; for this you should choose&nbsp; the appropriate tests and instruments&nbsp; considering the gesture and driving pattern of each discipline, as well as the characteristics of each subject. The&nbsp; objective of this research was based on the comparison of two measuring instruments&nbsp; validated in the strength analysis:&nbsp; T-Force® in which the squat and Optogait® test was carried out with the Squat Jump Protocol (SJ) to evaluate maximum power in professional footballers of two football teams in the city of&nbsp; Bogotá. Descriptive study, correlated scope of cross-sectional type. It was attended by 38 male athletes, who performed the SJ tests on Optogait and squat test in T-Force; for the processing and analysis of the data a T test was performed for related samples. Significant differences were found between the results of both tests, where the maximum power obtained was higher with T-Force test, but the deviation of the data was lower in the case of the Optogait. According to the results, sand determined that the best method for measuring maximum power in footballers is the T-Force.En el deporte de alto rendimiento es importante llevar a cabo un control a los deportistas, el cual debe partir de la evaluación de las capacidades físicas cada cierto periodo de tiempo; para esto se deben escoger las pruebas e instrumentos adecuados considerando el gesto y patrón motriz de cada disciplina, así como las características propias de cada sujeto. El objetivo de la presente investigación se basó en la comparación de dos instrumentos de medición validados en el análisis de la fuerza: T-Force® en el cual se realizó el test de sentadilla y Optogait® con el protocolo de Squat Jump (SJ), para evaluar potencia máxima en futbolistas profesionales de dos equipos de futbol de la ciudad de Bogotá. Estudio descriptivo, de alcance correlacional de tipo transversal. Se contó con la participación de 38 deportistas de género masculino, quienes realizaron las pruebas de SJ en Optogait y test de sentadilla en T-Force; para el procesamiento y análisis de los datos se realizó una prueba T para muestras relacionadas. Se encontraron diferencias significativas entre los resultados de ambas pruebas, donde la potencia máxima obtenida fue más alta con el test de T-Force, pero la desviación de los datos fue menor en el caso del Optogait. De acuerdo con los resultados, se determinó que el mejor método para la medición de la potencia máxima en futbolistas es el T-Force

El arbitraje

Arbitraje de la Revista

Conocimientos, actitudes y prácticas sobre virus de papiloma humano (VPH) y cáncer de cuello uterino en mujeres de 30 y más años de edad, de un barrio ribereño de Asunción, (Bañado Sur). 2012

Introduction: Cervix cancer is a public health problem in Paraguay. Objective: To determine knowledge, attitudes&nbsp;and practices on human papilloma virus (HPV) and uterine cervix cancer in women from 12 Family Health Units&nbsp;(FHU) of the Bañado Sur- Asunción, April-October 2,012 period. Methodology: Descriptive cross-sectional study&nbsp;that used self-administered structured questionnaires. Results: The mean age was 42 years, most of them cohabitated&nbsp;or were married (70%); 65% had elementary and secondary education and 56% was housewife; 83% had medical&nbsp;insurance and 78% heard about uterine cervix cancer, 74% of them in health posts. Only 10% knew HPV and related&nbsp;it to a disease, 90% heard about Papanicolaou test, but only 27% knew what is, 90% showed favorable attitude and&nbsp;56% favorable practices in relation to the disease prevention. Conclusion: The study provided information on the&nbsp;perception that a population of women from a marginal zone of the capital have in relation to cervical cancer and&nbsp;its main risk factor. This will allow increasing the supply of prevention services for this type of cancer, along with&nbsp;promoting inter-institutional and inter-sectorial work on the prevention and control of this disease in the country.Introducción: El cáncer de cuello uterino es un problema de salud pública en Paraguay. Objetivo: Determinar&nbsp;conocimientos, actitudes y prácticas sobre virus del papiloma humano (VPH) y cáncer de cuello uterino en&nbsp;mujeres de 12 Unidades de Salud Familiar (USF) de Bañado Sur-Asunción, periodo abril-octubre 2012.&nbsp;Metodología: Estudio descriptivo de corte transversal, utilizando cuestionario estructurado autoadministrado.&nbsp;Resultados: La edad promedio de las encuestadas fue 42 años, la mayoría en unión libre o casadas (70%); 65% tienen educación básica y media, 56% son amas de casa. El 83% tienen seguro médico; 78% escuchó hablar sobre cáncer de cuello uterino, 74% de éstas en los centros de salud. El 10% de las encuestadas conoce el VPH y lo relaciona con la enfermedad, 90 % escuchó hablar sobre la prueba de Papanicolaou, el 27 % de ellas sabe en qué consiste; 90% de las mujeres demostró actitud favorable y 56% prácticas favorables respecto a la prevención de la enfermedad. Conclusión: El estudio permite conocer la percepción que tiene una población de mujeres de un barrio marginal de la capital del país, respecto al cáncer de cuello uterino y el principal factor de riesgo que lo produce, a fin de incrementar la prestación de servicios de prevención de este tipo de cáncer, además de propiciar el trabajo interinstitucional e intersectorial en la prevención y control de la enfermedad en el país

Polymorphisms in the hypoxia-inducible factor 1 alpha gene in Mexican patients with preeclampsia: A case-control study

<p>Abstract</p> <p>Background</p> <p>Although the etiology of preeclampsia is still unclear, recent work suggests that changes in circulating angiogenic factors play a key role in its pathogenesis. In the trophoblast of women with preeclampsia, hypoxia-inducible factor 1 alpha (HIF-1α) is over-expressed, and induces the expression of non-angiogenic factors and inhibitors of trophoblast differentiation. This observation prompted the study of HIF-1α and its relation to preeclampsia. It has been described that the C1772T (P582S) and G1790A (A588T) polymorphisms of the <it>HIF1A </it>gene have significantly greater transcriptional activity, correlated with an increased expression of their proteins, than the wild-type sequence. In this work, we studied whether either or both <it>HIF1A </it>variants contribute to preeclampsia susceptibility.</p> <p>Results</p> <p>Genomic DNA was isolated from 150 preeclamptic and 105 healthy pregnant women. Exon 12 of the <it>HIF1A </it>gene was amplified by PCR, and the genotypes of <it>HIF1A </it>were determined by DNA sequencing.</p> <p>In preeclamptic women and controls, the frequencies of the T allele for C1772T were 4.3 vs. 4.8%, and the frequencies of the A allele for G1790A were 0.0 vs. 0.5%, respectively. No significant differences were found between groups.</p> <p>Conclusion</p> <p>The frequency of the C1772T and G1790A polymorphisms of the <it>HIF1A </it>gene is very low, and neither polymorphism is associated with the development of preeclampsia in the Mexican population.</p

Comunicación y polialfabetismo Aportes desde el saber pedagógico para la educación del siglo XXI

144 páginas. Libro electrónicoLa línea de Comunicación y polialfabetismos presenta en las experiencias de aula un abanico de posibilidades didácticas que se desarrollan en las instituciones educativas en las que laboran los maestros participantes del programa “Maestros y Maestras que Inspiran”. Además, en el uso de diversos modos expresivos para interactuar, aprender y comunicar. Es de resaltar que tienen interés por potenciar los aprendizajes de los estudiantes a partir de propuestas que involucran sus intereses, necesidades y problemáticas del contexto; es decir, son seres dialógicos (Freire, 1973) que tienden puentes entre el conocimiento, las problemáticas y las posibilidades para narrar, expresar, dramatizar, exponer, cantar y representar la realidad a través de diversas formas de comunicación con el fin de transformarla.Primera edición, 202