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Mostrando ítems 1-20 de 2524
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2018 Chilean Physical Activity Report Card for Children and Adolescents: Full Report and International Comparisons
(Chile. Universidad Mayor, 2020)Background: The study summarizes the findings of the 2018 Chilean Report Card (RC) on Physical Activity (PA) for Children and Adolescents and compares the results with the first Chilean RC and with other countries from the ... -
3,7-Dimethylpentadecane: a Novel Sex Pheromone Component fromLeucoptera sinuella(Lepidoptera: Lyonetiidae)
(Chile. Universidad Mayor, 2020)Leucoptera sinuellais a leaf-miner moth present in several regions in the world, which has been recently introduced into Chile. The larvae feed exclusively on the leaves of poplar and willow trees, and the damage caused ... -
3D Technology Development and Dental Education: What Topics Are Best Suited for 3D Learning Resources?
(Chile. Universidad Mayor, 2020)The aim of this study is to identify topics (knowledge and skills) from the dental curricula that would benefit from having a 3D learning resource using an exploratory sequential design method. The first phase targeted ... -
+A 5680-year tree-ring temperature record for southern South America
(PERGAMON-ELSEVIER SCIENCE LTD, 2020)It is widely documented that the Earth's surface temperatures have increased in recent decades. However, temperature increment patterns are not uniform around the globe, showing different or even contrasting trends. Here ... -
A balancing act: how plants integrate nitrogen and water signals
(Oxford University Press, 2020-07-25)Nitrogen (N) and water (W) are crucial inputs for plant survival as well as costly resources for agriculture. Given their importance, the molecular mechanisms that plants rely on to signal changes in either N or W status ... -
A Carbohydrate Moiety of Secreted Stage-Specific Glycoprotein 4 Participates in Host Cell Invasion by Trypanosoma cruzi Extracellular Amastigotes
(FRONTIERS MEDIA SA, 2018)Trypanosoma cruzi is the etiologic agent of Chagas' disease. It is known that amastigotes derived from trypomastigotes in the extracellular milieu are infective in vitro and in vivo. Extracellular amastigotes (EAs) have a ... -
A case report of a primary synovial chondromatosis of temporomandibular joint, producing medial displacement of the articular disc.
(Facultad de Ciencias, 2014)Synovial chondromatosis in the temporomandibular joint (TMJ) is a rare benign cartilaginous metaplasia characterized by the formation of loose bodies within the synovial joint space. This condition presents a specific triad ... -
A characterization for some type-2 fuzzy strong negations
(ELSEVIER, 2020)P. Hernandez et al. in 2014 established the axioms that an operation must fulfill in order to be a negation on a bounded poset (partially ordered set). In this work, we focus on the set L of the membership degrees of the ... -
A clinical predictive score for mood disorder risk in low-income primary care settings
(CIENCIAS, 2013)BACKGROUND: Despite availability of validated screening tests for mood disorders, busy general practitioners (GPs) often lack the time to use them routinely. This study aimed to develop a simplified clinical predictive ... -
A comparative performance analysis of total PSA, percentage free PSA, PSA velocity, and PSA density versus the detection of primary circulating prostate cells in predicting initial prostate biopsy findings in chilean men
(CIENCIAS, 2014)Introduction. PSA parameters have been used in an attempt to improve the diagnostic yield of prostate screening tests; the detection of primary malignant circulating prostate cells (CPCs) may improve the diagnostic yield ... -
A Comparison of Energy Efficiency Certification in Housing: A Study of the Chilean and Spanish Cases
(MDPI, 2019)Faced with implementing policies that seek to improve the energy efficiency of housing and reduce the impact of CO2 emissions, several countries are introducing (unilaterally or by international agreement) energy certification ... -
A country's response to tackling plastic pollution in aquatic ecosystems: The Chilean way
(Chile. Universidad Mayor, 2021)Marine plastic pollution is worse than expected, and we are starting to realize its full extent and severity. Solving the plastic pollution problem is not easy, as it requires the action and commitment of all sectors of ... -
A cross-scale assessment of productivity-diversity relationships
(Chile. Universidad Mayor, 2020)Aim Biodiversity and ecosystem productivity vary across the globe, and considerable effort has been made to describe their relationships. Biodiversity and ecosystem functioning research has traditionally focused on how ... -
A decade later, reviewing floating marine debris in Northern Chilean Patagonia
(PERGAMON-ELSEVIER SCIENCE LTD, 2021-07-07)Floating marine debris (FMD) were abundantly reported in the Northern Chilean Patagonia in 2009 where seabased activities (mussel and salmon aquaculture) are responsible for most of them. Identifying the sources of FMD is ... -
A decentralized route to the origins of scaling in human language
(IOP PUBLISHING LTD, 2019)Zipf's law establishes that if the words of a (large) text are ordered by decreasing frequency, the frequency versus the rank decreases as a power law with exponent close to -1. Previous work has stressed that this statistical ... -
A description of Chilean food and nutrition health policies
(Chile. Universidad Mayor, 2021-10)Background: Chile has implemented numerous successful food and nutrition initiatives since the early 20th century, aiming to address malnutrition in all its forms. Aim: To summarize the major nutrition and food-related ... -
A dual role for Integrin alpha 6 beta 4 in modulating hereditary neuropathy with liability to pressure palsies
(WILEY, 2018-05)Peripheral myelin protein 22 (PMP22) is a component of compact myelin in the peripheral nervous system. The amount of PMP22 in myelin is tightly regulated, and PMP22 over or under-expression cause Charcot-Marie-Tooth 1A ... -
A dynamic portal for a community-driven, continuously updated classification of Fungi and fungus-like organisms: outlineoffungi.org
(Chile. Universidad Mayor, 2020)The website http://outlineoffungi.org, is launched to provide a continuous up-to-date classification of the kingdom Fungi (including fossil fungi) and fungus-like taxa. This is based on recent publications and on the outline ...