25 research outputs found
Innovation and governance of the cannabis crop value chain
In this contribution, we present an overview of the organization and positionings of the cannabis value chain in Europe and the USA. As a first step, attention will be given to the development of the cannabis industry and its main regulatory framework on both sides of the Atlantic. As an emerging and fast-developing value chain, consideration will be given to the research and innovation networks identified through bibliometric analysis. The contribution finalizes by reporting on the future steps to assess the main enabling and blocking drivers for the development of the cannabis value chain, understood as an innovative value chain where various actors interact within this highly regulated agricultural sector
elaboracion de papel vegetal que cumpla las normas tappi para el diseno e impresion a partir de la fibra de la cascara del platano verde
En la presente investigación se elaborará un manual para la elaboración de papel vegetal que cumpla las normas TAPPI para el diseño e impresión a partir de la fibra de la cascara del plátano verde ya que estas técnicas antiguas que inusualmente se usan para la elaboración de papel artesanal han funcionado bien debido a que ha sido destinado para impresión serigrafía o manual que no demanden mayor calidad ni parámetros técnicos de su constitución.
Hay que tener en ceunta que la fabricación del papel a mano es una técnica que a pesar de tener miles de años de antigüedad no ha sido explotada adecuadamente y no se consigue papel de buena calidad que pueda reemplazar a los que usamos normalmente.
Muchos artesanos hacen papel a mano sin una técnica científica que permita conocer las propiedades de las fibras a utilizar para elaborar papel para imprenta o impresoras comunes. En nuestro caso elaboraremos papel vegetal a partir de la fibra de la cascara del plátano verde que presente las mejores propiedades de formación física y óptica.</p
Didactic Proposal with Ecological and Interdisciplinary Approach: a Commitment to Inclusive Higher Education
People with intellectual disabilities have had few opportunities to access higher education, for a long time it has been considered that they are not a potential group to be trained in the university environment. This article is derived from an investigation that was developed in the Colombian context, the purpose of which was to contribute to reducing the barriers of young people for their inclusion in the family, social, academic and occupational context, through the design and validation of a model of comprehensive care with an ecological and interdisciplinary approach. The study had a mixed methodological perspective, the ABAS II scale was used to evaluate the adaptive behavior index in 20 young people as a pretest and posttest. It was concluded that this experience contributed to the formation and quality of life of the young people; and it showed that all people can be taught, but that each one learns in their uniqueness.Las personas en situación de discapacidad intelectual han tenido pocas oportunidades para acceder a la educación superior; durante mucho tiempo se ha considerado que ellas no son un colectivo potencial para formarse en el ámbito universitario. Este artículo es derivado de una investigación que se desarrolló en el contexto colombiano, cuyo propósito consistió en contribuir a disminuir las barreras de los jóvenes para su inclusión en el contexto familiar, social, académico y ocupacional, mediante el diseño y validación de un modelo de atención integral con enfoque ecológico e interdisciplinar. El estudio tuvo una perspectiva metodológica mixta, se utilizó la escala ABAS II para evaluar el índice de conducta adaptativa en 20 jóvenes a modo de pretest y postest. Se concluyó que esta experiencia contribuyó a la formación y calidad de vida de los jóvenes; y mostró que a todas las personas se les puede enseñar, pero que cada una aprende en su singularidad
Transformar para educar 5: ambientes de aprendizaje naturalmente críticos
Este quinto libro de la colección "Transformar para Educar''.-producto de las investigaciones de aula adelantadas por docentes de la Universidad del Norte, con el apoyo del Centro para la Excelencia Docente (CEDU), en el marco del programa Transformación de curso-, busca difundir innovaciones en la práctica pedagógica, con el fin de mejorar las experiencias educativas de los estudiantes con base en la implementación de ambientes de aprendizaje naturalmente críticos. Son críticos porque los estudiantes razonan con sus propios argumentos y naturales porque se da de manera espontánea.
Contiene nueve capítulos que recopilan las experiencias realizadas por los docentes del área de introducción a la Ingeniería. Confiamos en que los hallazgos que aquí se presentan sean de interés para los lectores y puedan ser compartidos de manera amplia entre distintos públicos
Guía de práctica clínica para la prevención, diagnóstico, tratamiento y rehabilitación de la falla cardiaca en población mayor de 18 años, clasificación B, C y D
La falla cardíaca es un síndrome clínico caracterizado por síntomas y signos típicos de insuficiencia cardíaca, adicional a la evidencia objetiva de una anomalía estructural o funcional del corazón.
Guía completa 2016. Guía No. 53Población mayor de 18 añosN/
Familial hypercholesterolaemia in children and adolescents from 48 countries: a cross-sectional study
Background: Approximately 450 000 children are born with familial hypercholesterolaemia worldwide every year, yet only 2·1% of adults with familial hypercholesterolaemia were diagnosed before age 18 years via current diagnostic approaches, which are derived from observations in adults. We aimed to characterise children and adolescents with heterozygous familial hypercholesterolaemia (HeFH) and understand current approaches to the identification and management of familial hypercholesterolaemia to inform future public health strategies. Methods: For this cross-sectional study, we assessed children and adolescents younger than 18 years with a clinical or genetic diagnosis of HeFH at the time of entry into the Familial Hypercholesterolaemia Studies Collaboration (FHSC) registry between Oct 1, 2015, and Jan 31, 2021. Data in the registry were collected from 55 regional or national registries in 48 countries. Diagnoses relying on self-reported history of familial hypercholesterolaemia and suspected secondary hypercholesterolaemia were excluded from the registry; people with untreated LDL cholesterol (LDL-C) of at least 13·0 mmol/L were excluded from this study. Data were assessed overall and by WHO region, World Bank country income status, age, diagnostic criteria, and index-case status. The main outcome of this study was to assess current identification and management of children and adolescents with familial hypercholesterolaemia. Findings: Of 63 093 individuals in the FHSC registry, 11 848 (18·8%) were children or adolescents younger than 18 years with HeFH and were included in this study; 5756 (50·2%) of 11 476 included individuals were female and 5720 (49·8%) were male. Sex data were missing for 372 (3·1%) of 11 848 individuals. Median age at registry entry was 9·6 years (IQR 5·8-13·2). 10 099 (89·9%) of 11 235 included individuals had a final genetically confirmed diagnosis of familial hypercholesterolaemia and 1136 (10·1%) had a clinical diagnosis. Genetically confirmed diagnosis data or clinical diagnosis data were missing for 613 (5·2%) of 11 848 individuals. Genetic diagnosis was more common in children and adolescents from high-income countries (9427 [92·4%] of 10 202) than in children and adolescents from non-high-income countries (199 [48·0%] of 415). 3414 (31·6%) of 10 804 children or adolescents were index cases. Familial-hypercholesterolaemia-related physical signs, cardiovascular risk factors, and cardiovascular disease were uncommon, but were more common in non-high-income countries. 7557 (72·4%) of 10 428 included children or adolescents were not taking lipid-lowering medication (LLM) and had a median LDL-C of 5·00 mmol/L (IQR 4·05-6·08). Compared with genetic diagnosis, the use of unadapted clinical criteria intended for use in adults and reliant on more extreme phenotypes could result in 50-75% of children and adolescents with familial hypercholesterolaemia not being identified. Interpretation: Clinical characteristics observed in adults with familial hypercholesterolaemia are uncommon in children and adolescents with familial hypercholesterolaemia, hence detection in this age group relies on measurement of LDL-C and genetic confirmation. Where genetic testing is unavailable, increased availability and use of LDL-C measurements in the first few years of life could help reduce the current gap between prevalence and detection, enabling increased use of combination LLM to reach recommended LDL-C targets early in life
Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries
Abstract
Background
Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres.
Methods
This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries.
Results
In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia.
Conclusion
This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries
Listeria monocytogenes requires cellular respiration for NAD+ regeneration and pathogenesis.
Cellular respiration is essential for multiple bacterial pathogens and a validated antibiotic target. In addition to driving oxidative phosphorylation, bacterial respiration has a variety of ancillary functions that obscure its contribution to pathogenesis. We find here that the intracellular pathogen Listeria monocytogenes encodes two respiratory pathways which are partially functionally redundant and indispensable for pathogenesis. Loss of respiration decreased NAD+ regeneration, but this could be specifically reversed by heterologous expression of a water-forming NADH oxidase (NOX). NOX expression fully rescued intracellular growth defects and increased L. monocytogenes loads >1000-fold in a mouse infection model. Consistent with NAD+ regeneration maintaining L. monocytogenes viability and enabling immune evasion, a respiration-deficient strain exhibited elevated bacteriolysis within the host cytosol and NOX expression rescued this phenotype. These studies show that NAD+ regeneration represents a major role of L. monocytogenes respiration and highlight the nuanced relationship between bacterial metabolism, physiology, and pathogenesis
Empirical Antibiotic Prescribing in Adult COVID-19 Inpatients over Two Years in Mexico
Background and Objectives: Empirical antibiotic prescribing in patients with coronavirus disease 2019 (COVID-19) has been common even though bacterial coinfections are infrequent. The overuse of antibacterial agents may accelerate the antibiotic resistance crisis. We aimed to evaluate factors predicting empirical antibiotic prescribing to adult COVID-19 inpatients over 2 years (March 2020–February 2021) in Mexico. Materials and Methods: A cross-sectional analysis of a nationwide cohort study was conducted. Hospitalized adults due to laboratory-confirmed COVID-19 were included (n = 214,171). Odds ratios (OR) and 95% confidence intervals (CI), computed by using logistic regression models, were used to evaluate factors predicting empirical antibiotic prescribing. Results: The overall frequency of antibiotic usage was 25.3%. In multiple analysis, the highest risk of antibiotic prescription was documented among patients with pneumonia at hospital admission (OR = 2.20, 95% CI 2.16–2.25). Male patients, those with chronic comorbidities (namely obesity and chronic kidney disease) and longer interval days from symptoms onset to healthcare seeking, were also more likely to receive these drugs. We also documented that, per each elapsed week during the study period, the odds of receiving antibiotic therapy decreased by about 2% (OR = 0.98, 95% CI 0.97–0.99). Conclusion: Our study identified COVID-19 populations at increased risk of receiving empirical antibiotic therapy during the first two years of the pandemic
Effect of Prescribed Burning on Tree Diversity, Biomass Stocks and Soil Organic Carbon Storage in Tropical Highland Forests
Fire has been an integral part of ecosystem functioning in many biomes for a long time, but the increased intensity and frequency of wildfires often affect plant diversity and carbon storage. Prescribed burning is one of the alternatives to forest fuel management where the fire is controlled and carried out under a determined set of weather conditions and objectives. The effect of prescribed burning on plant diversity and carbon (C) storage has not been studied widely. The objective of this study was to evaluate the effect of prescribed burning on plant diversity indices, biomass stocks, and soil C storage in the tropical highland forests of Southern Mexico. We assessed plant diversity and carbon stocks at 21 sampling sites: seven with prescribed burning, seven non-burning, and seven with wildfires. We calculated tree biodiversity indices, stand structural properties, and species composition among burning treatments. We quantified C stocks in vegetation biomass by using an allometric equation and forest litter by direct sampling. We analyzed 252 soil samples for soil organic C content and other properties. The results showed that the biodiversity index was higher in sites with prescribed burning (Shannon index, H = 1.26) and non-burning (H = 1.14) than in wildfire sites (H = 0.36). There was a greater similarity in plant species composition between non-burning and prescribed burning sites compared to wildfire sites. Prescribed burning showed a positive effect on soil carbon storage (183.9 Mg C ha−1) when compared to wildfire (144.3 Mg C ha−1), but the difference was not statistically significant (p > 0.05) in biomass stocks. Prescribed burning in this study conserved plant diversity as well as soil carbon stocks compared to non-burning, the opposite of what we found in wildfires