la interactividad que se genera en la secuencia didáctica : factores de lucha política mediada por la TIC, en el grupo 1-04, jornada nocturna de la asignatura de ciencias políticas de la Facultad de derecho de la Universidad Libre seccional Pereira año 2009

Esta investigación se desarrolla en torno a una práctica educativa como es la secuencia didáctica: Factores de lucha política, mediadas por las TIC, la cual se utilizó como unidad básica de observación, registro, análisis e interpretación, para llegar a comprender la naturaleza y características de las interacciones que posibilitan y promueven los participantes del triangulo interactivo en esos procesos de construcción de conocimientos y atribución de sentido a los contenidos o tareas que se desarrollan de manera eficaz. Esta investigación se limita al estudio de la interactividad generada en el desarrollo de la secuencia didáctica, en donde el uso de la tic se limitó a la subida de información por parte del profesor y los alumnos utilizando la plataforma Moodle de la U.T.P, por parte de un curso de primer año (1-04) de la asignatura de Ciencias Políticas en la Facultad de Derecho de la Universidad Libre de Pereira, año 2009. En esta investigación se tuvo en cuenta el diseño tecno pedagógico, se usó como estrategia metodológica de la del desarrollo de la secuencia didáctica, el estudio de Casos: la toma del Palacio de Justicia, para el estudio de los contenidos. El tipo de investigación es cualitativa ¿ interpretativa, pues consistió en identificar, caracterizar e interpretar los segmentos de interactividad y su evolución en configuración de segmentos de interactividad, que se observan en el mapa de interactividad. El estudio de la interactividad es fundamental para identificar, describir e interpretar los dos grandes mecanismos de influencia educativa, según el modelo de Coll: La construcción de sistemas de significados compartidos y el traspaso del control y responsabilidad del aprendizaje del profesor a los alumnos; cuyo estudio se propone se haga en posteriores investigaciones.This research is based around an educational practice as a didactic: Factors of political struggle, mediated by ICT, which was used as the basic unit of observation, recording, analysis and interpretation, to gain insight into the nature and characteristics interactions that enable and encourage participants interactive triangle, these processes of knowledge construction and attribution of meaning to the content or tasks carried out effectively. This research is limited to the study of interaction generated in the development of the teaching sequence, where the use of ICT was limited to information uploaded by the teacher and students using the Moodle platform of UTP, by a course in first year (1-04) of the subject of political science at the Faculty of Law at the Free University of Pereira, 2009. This research design took into account the educational technology, was used as a methodological strategy for the development of a didactic, case studies: the siege of the Palace of Justice, to study the contents. The research is qualitative - interpretive, as was to identify, characterize and interpret the segments of interactivity and its evolution in segments of the activity settings that are seen on the interactive map. The study of interactivity is critical to identify, describe and interpret the two main mechanisms of educational influence on the model of Coll. The construction of shared meaning systems and the transfer of control and responsibility for learning from teacher to student, whose study is proposed to be made in subsequent investigations

SARS-CoV-2 Infection Among Healthcare Workers in Tijuana, Mexico: A Cross-Sectional Study

Background: Healthcare workers (HCW) are a high-risk group for contraction of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. The aim of this study was to estimate the effect size of being a HCW and acquiring coronavirus disease 2019 (COVID-19) at the Mexican Institute of Social Security (IMSS) in Tijuana, Mexico. Methods: A cross-sectional study of the Epidemiologic Surveillance Online Notification System database was conducted, including entries from Tijuana City between March 11, 2020 to May 1, 2020. Multiple imputation was performed for SARS-CoV-2 RT-PCR result where data was missing. Prevalence odds ratios (POR) were calculated to estimate the effect size of HCWs contracting COVID-19 compared to the general population (GP). Results: From a total of 10,216 entries, 6,256 patients were included for analysis. HCW status was significantly associated with higher odds of acquiring COVID-19, (POR=1.730, 95% Confidence Interval [95%CI]=1.459;2.050). Nurses had double odds (POR=2.339, 95%CI=1.804;3.032) than the GP. Physicians had a POR=1.828 (95%CI=0.766;1.380). Resident physician status was double the likelihood of the GP (POR=2.166, 95%CI=0.933;5.025). Meanwhile, being an intern had a protective factor (POR=0.253, 95%CI=0.085;0.758). Among medical specialties, emergency medicine had the highest exposure-effect association, followed by anesthesiologists. Conclusion: HCW had up to 73% increased odds of acquiring COVID-19 than the GP in Tijuana, Mexico. Nurses were the group with the highest likelihood out of all HCW, as a result of prolonged and close contact with patients. Emergency medicine and anesthesiology were the medical specialties with the highest odds of infection because they frequently perform aerosol-generating procedures

Revision of the New World Genus Crassomicrodus Ashmead (Hymenoptera, Braconidae, Agathidinae), with an Identification Key to Species

A key to species and descriptions are presented for 14 species of the New World genus Crassomicrodus Ashmead. Seven new species, Crassomicrodus azteca, Crassomicrodus clypealis, Crassomicrodus costaricensis, Crassomicrodus jalisciensis, Crassomicrodus mariae, Crassomicrodus oaxaquensis,and Crassomicrodus olgae are described. Crassomicrodus fenestratus (Viereck) is synonymized with Crassomicrodus nigriceps (Cresson). Crassomicrodus melanopleurus (Ashmead) is recognized as a valid species

Diversidad de especies de Blacus (Hymenoptera: Braconidae, Blacinae) en dos ecosistemas forestales de Michoacán, México

Este estudio estimó la diversidad de avispas del género Blacus Nees (Braconidae, Blacinae) en dos ecosistemas forestales del noreste de Michoacán, en el Eje Neovolcánico Transversal: Parque Nacional Cerro de Garnica (PN C-Garnica) y Zona Protectora Forestal Los Azufres (ZPF Los Azufres). Se elaboró un mapa de cobertura vegetal con imágenes satelitales de estos ecosistemas forestales. La captura de especímenes se realizó mensualmente desde marzo 2008 hasta febrero 2010 con la ayuda de platos-trampa de color amarillo. Se capturó un total de 172 especímenes de 17 especies del género Blacus, de los cuales 84.3% provinieron del PN C-Garnica (13 especies) y 15.7% de la ZPF Los Azufres (10 especies). El porcentaje de similitud indicó una composición de especies diferente entre las dos áreas estudiadas (índice de Jaccard = 0.35). En el PN C-Garnica se capturaron significativamente más especímenes por mes que en la ZPF Los Azufres (12.1 ± 4.0 vs 2.3 ± 1.20). De acuerdo con el índice de Shannon-Wiener, la diversidad fue similar en ambas áreas estudiadas (2.1 vs 1.9). Los estimadores de riqueza Chao 2 y Jackknife 2 indicaron que en ambas áreas se capturó ~60% de las especies esperadas. Se concluye que el PN C-Garnica y la ZPF Los Azufres mantienen una alta diversidad de especies de Blacus. Las mayores abundancias, así como la mayor riqueza de especies se encontraron en el PN C-Garnica, la cual es una zona con mayor grado de perturbación.In this study, the diversity of wasps of the Blacus Nees (Braconidae, Blacinae) genus were estimated in two forest ecosystems in the northeastern part of Michoacán, in the Trans-Mexican Volcanic Belt: Cerro de Garnica National Park (C-Garnica NP) and Los Azufres Protected Forest Area (Los Azufres PFA). A vegetation cover map based on satellite images of these forest ecosystems was prepared. The specimens collecting was performed monthly from March 2008 until February 2010 with the help of yellow pan traps. A total of 172 specimens of 17 species of the genus Blacus were collected, of which 84.3% were from C-Garnica NP (13 species) and 15.7% from Los Azufres PFA (10 species). Percentage of similarity (Jaccard´s index = 0.35) was relatively low, indicating a different composition between both forest ecosystems. Significantly more specimens were monthly captured in C-Garnica NP than in Los Azufres PFA (12.1 ± 4.0 vs 2.3 ± 1.20). According to the Shannon-Wiener index, the diversity was similar in both studied areas (2.1 vs 1.9). Chao 2 and Jackknife 2 estimators indicated that ~60% of the expected species were captured in both areas. One concludes that C-Garnica NP and Los Azufres PFA maintain a high species diversity of Blacus. The greatest abundance, as well as the greatest species richness were found in the C-Garnica NP, which is an area with a higher degree of disturbance

Search for dark matter produced in association with bottom or top quarks in √s = 13 TeV pp collisions with the ATLAS detector

A search for weakly interacting massive particle dark matter produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and miss- ing transverse momentum are considered. The analysis uses 36.1 fb−1 of proton–proton collision data recorded by the ATLAS experiment at √s = 13 TeV in 2015 and 2016. No significant excess of events above the estimated backgrounds is observed. The results are in- terpreted in the framework of simplified models of spin-0 dark-matter mediators. For colour- neutral spin-0 mediators produced in association with top quarks and decaying into a pair of dark-matter particles, mediator masses below 50 GeV are excluded assuming a dark-matter candidate mass of 1 GeV and unitary couplings. For scalar and pseudoscalar mediators produced in association with bottom quarks, the search sets limits on the production cross- section of 300 times the predicted rate for mediators with masses between 10 and 50 GeV and assuming a dark-matter mass of 1 GeV and unitary coupling. Constraints on colour- charged scalar simplified models are also presented. Assuming a dark-matter particle mass of 35 GeV, mediator particles with mass below 1.1 TeV are excluded for couplings yielding a dark-matter relic density consistent with measurements

Penilaian Kinerja Keuangan Koperasi di Kabupaten Pelalawan

This paper describe development and financial performance of cooperative in District Pelalawan among 2007 - 2008. Studies on primary and secondary cooperative in 12 sub-districts. Method in this stady use performance measuring of productivity, efficiency, growth, liquidity, and solvability of cooperative. Productivity of cooperative in Pelalawan was highly but efficiency still low. Profit and income were highly, even liquidity of cooperative very high, and solvability was good

Juxtaposing BTE and ATE – on the role of the European insurance industry in funding civil litigation

One of the ways in which legal services are financed, and indeed shaped, is through private insurance arrangement. Two contrasting types of legal expenses insurance contracts (LEI) seem to dominate in Europe: before the event (BTE) and after the event (ATE) legal expenses insurance. Notwithstanding institutional differences between different legal systems, BTE and ATE insurance arrangements may be instrumental if government policy is geared towards strengthening a market-oriented system of financing access to justice for individuals and business. At the same time, emphasizing the role of a private industry as a keeper of the gates to justice raises issues of accountability and transparency, not readily reconcilable with demands of competition. Moreover, multiple actors (clients, lawyers, courts, insurers) are involved, causing behavioural dynamics which are not easily predicted or influenced. Against this background, this paper looks into BTE and ATE arrangements by analysing the particularities of BTE and ATE arrangements currently available in some European jurisdictions and by painting a picture of their respective markets and legal contexts. This allows for some reflection on the performance of BTE and ATE providers as both financiers and keepers. Two issues emerge from the analysis that are worthy of some further reflection. Firstly, there is the problematic long-term sustainability of some ATE products. Secondly, the challenges faced by policymakers that would like to nudge consumers into voluntarily taking out BTE LEI

Differential cross section measurements for the production of a W boson in association with jets in proton–proton collisions at √s = 7 TeV

Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pT) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (HT), and the difference in azimuthal angle between the directions of each jet and the muon. The data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb[superscript −1]. The measured cross sections are compared to predictions from Monte Carlo generators, MadGraph + pythia and sherpa, and to next-to-leading-order calculations from BlackHat + sherpa. The differential cross sections are found to be in agreement with the predictions, apart from the pT distributions of the leading jets at high pT values, the distributions of the HT at high-HT and low jet multiplicity, and the distribution of the difference in azimuthal angle between the leading jet and the muon at low values.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Search for stop and higgsino production using diphoton Higgs boson decays

Results are presented of a search for a "natural" supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top-quark (stop) and the Higgs boson (higgsino) are accessible. Events are examined in which there are two photons forming a Higgs boson candidate, and at least two b-quark jets. In 19.7 inverse femtobarns of proton-proton collision data at sqrt(s) = 8 TeV, recorded in the CMS experiment, no evidence of a signal is found and lower limits at the 95% confidence level are set, excluding the stop mass below 360 to 410 GeV, depending on the higgsino mass

AI is a viable alternative to high throughput screening: a 318-target study

: High throughput screening (HTS) is routinely used to identify bioactive small molecules. This requires physical compounds, which limits coverage of accessible chemical space. Computational approaches combined with vast on-demand chemical libraries can access far greater chemical space, provided that the predictive accuracy is sufficient to identify useful molecules. Through the largest and most diverse virtual HTS campaign reported to date, comprising 318 individual projects, we demonstrate that our AtomNet® convolutional neural network successfully finds novel hits across every major therapeutic area and protein class. We address historical limitations of computational screening by demonstrating success for target proteins without known binders, high-quality X-ray crystal structures, or manual cherry-picking of compounds. We show that the molecules selected by the AtomNet® model are novel drug-like scaffolds rather than minor modifications to known bioactive compounds. Our empirical results suggest that computational methods can substantially replace HTS as the first step of small-molecule drug discovery