RIUCV (Univ. Católica de Valencia)
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Synthesis and characterization of nanobiochar from rice husk biochar for the removal of safranin and malachite green from water
Get PDFXenobiotic pollution in environment is a potential risk to marine life, and human health. Nanobiotechnology is
an advanced and emerging solution for the removal of environmental pollutants. Adsorption-based technologies
are being used to alleviate the global prevalence of xenobiotics like dyes, due to their high efficacy and cost
effectiveness. Current study explored the potential of nanobiochar syntehsized via ultrasonication and centrifugation from rice husk for dye removal from water. It involves the synthesis of nanobiochar from rice husk
biochar for removal of Safranin, Malachite green, and a mixture of both from aqueous water. Biochar was
synthesized through pyrolysis at 600 ◦C for 2 h. To convert it into nanobiochar, sonication and centrifugation
techniques were applied. The yield obtained was 27.5% for biochar and 0.9% for nanobiochar. Nanobiochar
analysis through Fourier-Transform Spectrometer (FTIR), X-ray Power Diffraction (XRD) and scanning electron
microscopy (SEM) suggested its crystalline nature having minerals rich in silicon, with a cracked and disintegrated carbon structure due to high temperature and processing treatments. Removal of dyes by nanobiochar
was evaluated by changing different physical parameters i.e., nanobiochar dose, pH, and temperature. Pseudo-first order model and pseudo-second order model were applied to studying the adsorption kinetics mechanism.
Kinetics for adsorption of dyes followed the pseudo-second order model suggesting the removal of dyes by
process of chemical sorption. High adsorption was found at a higher concentration of nanobiochar, high temperature, and neutral pH. Maximum elimination percentages of safranin, malachite green, and a mixture of dyes
were obtained as 91.7%, 87.5%, and 85% respectively. We conclude that nanobiochar could be a solution for dye
removal from aqueous media.Biotecnologí
Propuesta de Aprendizaje Servicio (ApS) en Educación Primaria: educación para la ciudadanía desde un enfoque multidisciplinar
Get PDFEl Trabajo Fin de Grado que se presenta a continuación se basa en un trabajo de investigación que tiene la finalidad de profundizar sobre el Aprendizaje Servicio, metodología educativa que combina aprendizaje académico con la acción social, y su implementación en la etapa de educación primaria. Esta integración plantea diversos desafíos, entre ellos la necesidad de encontrar proyectos apropiados y relevantes para los alumnos, y de brindar capacitación adecuada a los docentes y apoyo logístico para la ejecución de los proyectos. El objetivo principal de este trabajo es diseñar un programa de Aprendizaje Servicio dirigido al alumnado de 5º de primaria del Colegio El Armelar de Paterna junto con la asociación Nueva Opción, agrupación de daño cerebral adquirido en Valencia. Para su elaboración se ha tenido en cuenta la retroalimentación de distintos miembros responsables del Colegio El Armelar, de Nueva Opción y de la Red Española de Aprendizaje Servicio en España a través de entrevistas, así como una exhaustiva revisión de la literatura y bibliografía existente sobre ApS y la justificación de su implementación en las aulas, de acuerdo con la legislación educativa actual.El Treball Fi de Grau que es presenta a continuació es basa en un treball de recerca que té la finalitat d'aprofundir sobre l'Aprenentatge Servei, metodologia educativa que combina aprenentatge acadèmic amb acció social, i la seua implementació en l'etapa d'educació primària. Aquesta integració planteja diversos desafiaments, entre ells la necessitat de trobar projectes apropiats i rellevants per als alumnes, i de brindar capacitació adequada als docents i suport logístic per a l'execució dels projectes. L'objectiu principal d'aquest treball és dissenyar un programa d'Aprenentatge Servei dirigit a l'alumnat de 5é de primària del Col·legi El Armelar de Paterna juntament amb l'associació Nova Opció, agrupació de dany cerebral adquirit a València. Per a la seua elaboració s'ha tingut en compte la retroalimentació de diferents membres responsables del Col·legi El Armelar, de Nova Opció i de la Xarxa Espanyola d'Aprenentatge Servei a Espanya a través d'entrevistes, així com una exhaustiva revisió de la literatura i bibliografia existent sobre ApS i la justificació de la seua implementació a les aules, d'acord amb la legislació educativa actual.The Final Degree Project that is presented below is based on a research work that has the purpose of delving into Service-Learning, an educational methodology that combines academic learning with social action, and its implementation in the primary education stage. This integration poses several challenges, including the need to find appropriate and relevant projects for students, and to provide adequate teacher training and logistical support for project implementation. The main objective of this work is to design a Service-Learning program aimed at students in the 5th grade of primary school at El Armelar School in Paterna together with the Nueva Opción association, a group for acquired brain damage in Valencia. For its elaboration, the feedback of different responsible members of the El Armelar School, of Nueva Opción and of the Spanish Service-Learning Network in Spain has been considered through interviews, as well as an exhaustive review of the existing literature and bibliography on ApS. and the justification for its implementation in the classroom, in accordance with current educational legislation.Educació
The "Newgate" Effect: the recovery of the memory of those sent to the gallows in "En el último azul" and "Por el cielo y más allá" by Carme Riera
Get PDFDe entre el corpus de literatura de
patíbulo europea, los Newgate Calendars
suponen un hito por su popularidad y por su
difusión desde el siglo XVII. Pese a estar
planteado originalmente como relato con un
claro propósito moralista y para validar el statu
quo, pronto se convierte en un fenómeno de
audiencia. Llegado el siglo XIX, la concepción
del crimen como pecado es reemplazado por
el de ruptura del contrato social y atentado
contra la propiedad privada, convirtiéndose lo
Newgate en fenómeno de masas y publicándose
en verso para ser cantado y en prosa para
la clase alta. Como resultado, aparecería un
nuevo tipo de ficción, la Newgate Novel; en la
que los criminales son vistos con buenos ojos.
El propósito del presente trabajo es establecer
una comparativa entre En el último azul y Por
el cielo y más allá y el proceso seguido por las
narraciones Newgate entre los siglos XVII y
XIX. Comenzando por los autos de fe de 1691
y continuando por los descendientes en el siglo
XIX de una de las quemadas en aquella hoguera,
las novelas secularizan gradualmente la relación
oficial, plantean la falta de veracidad de esta y se
posicionan del lado de los reos.Amongst the European corpus of
dying speeches, the Newgate Calendars are
paramount due to their popularity since the
seventeenth century. Originally thought of as a
narration with a moralistic tone to validate the
status quo, it soon became a mass phenomenon.
In the nineteenth century, the role of Destiny
and the conception of crime as a sin is replaced
by a break of the social contract and an attempt
against private property. It is then published in
verse to be sung for the masses and in prose
for the high class. As a result, a new type of
fiction is born; the Newgate Novel. One in
which the criminal is portrayed as a hero. The
goal of this article is to establish a comparison
between En el último azul and Por el cielo
y más allá and the process followed by the
Newgate narrations between the seventeenth
and the nineteenth centuries. Beginning with
the autos de fe of 1691 and continuing in
the nineteenth century with the descendants
of one of those burnt at the stake, the novels
gradually depart from the religious discourse,
problematize the veracity of the official
texts and position themselves in favor of the
accused.Humanidade
Lack of evidence for retroviral infections formerly related to chronic fatigue in Spanish Fibromyalgia patients
Get PDFThe etiology of fibromyalgia and chronic fatigue syndrome (FM/CFS) is currently unknown. A recurrent viral infection is an attractive hypothesis repeatedly found in the literature since it would explain the persistent pain and tiredness these patients suffer from. The initial striking link of two distinct orphan retroviruses: the gamma retroviruses murine leukemia virus (MLV)-related virus and the delta retrovirus T-lymphotropic virus type 2 (HTLV-2) to chronic fatigue have not been confirmed to date. Results: Genomic DNA (gDNA) from 75 fibromyalgia patients suffering from chronic fatigue and 79 age-matched local healthy controls were screened for the presence of MLV-related and HTLV-2 related proviral sequences. The XMRV env gene was amplified in 20% of samples tested (24% patients/15% healthy controls). Unexpectedly, no PCR amplifications from independent gDNA preparations of the same individuals were obtained. None of the positive samples showed presence of contaminating murine sequences previously reported by other investigators, neither contained additional regions of the virus making us conclude that the initial env amplification came from spurious air-driven amplicon contaminants. No specific HTLV-2 sequences were obtained at any time from any of the 154 quality-controlled gDNA preparations screened. Conclusions: Previous associations between MLV-related or HTLV-2 retrovirus infection with chronic fatigue must be discarded. Thus, studies showing positive amplification of HTLV-2 sequences from chronic fatigue participants should be revised for possible undetected technical problems. To avoid false positives of viral infection, not only extreme precautions should be taken when nested-PCR reactions are prepared and exhaustive foreign DNA contamination controls performed, but also consistent amplification of diverse regions of the virus in independent preparations from the same individual must be demanded. The fact that our cohort of patients did not present evidence of any of the two types of retroviral infection formerly associated to chronic fatigue does not rule out the possibility that other viruses are involved in inciting or maintaining fibromyalgia and/or chronic fatigue conditions.Medicin
Association of germline variants in telomere maintenance genes (POT1, TERF2IP, ACD, and TERT) with spitzoid morphology in familial melanoma: A multi-center case series
Get PDFSpitzoid morphology in familial melanoma has been associated with germline variants in
POT1, a telomere maintenance gene (TMG), suggesting a link between telomere biology and spitzoid
differentiation. The aim is to assess if familial melanoma cases associated with germline variants in TMG (POT1, ACD,
TERF2IP, and TERT ) commonly exhibit spitzoid morphology.Medicin
Adaptation and validation of a scale to assess digital teaching competence in soccer coaches
Get PDFSince 2015, the Union of European Football Associations (UEFA) has held a convention with the aim of
updating its technical qualifications for the training of its football coaches. It has proposed widespread changes,
but with a particular recommendation for the creation of a subject about New Technologies. This proposal is in
line with the natural evolution of today's society and with an increasing digital presence in all professional fields.
The overarching concern for quality teaching in digital competences involves, first and foremost, the necessary
adoption of these digital competences by their trainers. As a result, the aim of this research is to adapt and
validate a scale, previously validated in other training contexts, to assess the digital teaching competence
(hereafter, DTC) of soccer coaches. The study sample consists of 612 coaches at different levels who are
registered in the Football Federation of the Valencian Community (hereafter, FFCV). The sample contains a
higher percentage of men (91.7%) than women (8.3%) and a mean age of 30.88 years. A confirmatory factor
analysis was performed, which revealed five factors grouping 31 indicators: Information and Literacy (5 items),
Communication and Collaboration (6 items), Digital Content Creation (9 items), Security (6 items) and Problem
Solving (5 items). Goodness-of-Fit indicators showed adequate values: (x2 /gl=2.82); RMSA= 0.6 (Confidence
Interval= 0.6-0.7); CFI=.91; IFI= .91. Reliability was tested by Composite Reliability, Cronbach's Alpha and
Mean Variance Extracted values. The results of the research support the reliability and validity of the
questionnaire that was adapted for the purpose of assessing the digital teaching competence of soccer coaches.Educació
Eutanasia y suicidio asistido: un estudio comparado de las novedades en Alemania, Austria, Portugal y España
Get PDFEspaña y tres otros países de nuestro entorno más próximo (Alemania, Austria y Portugal) han sufrido modificaciones drásticas muy recientes en el régimen jurídico aplicable a la eutanasia y el suicidio asistido. Su pertenencia a una familia común facilita un análisis de Derecho Comparado, especialmente pertinente si tenemos en cuenta que, pese a la aparente similitud inicial de las soluciones adoptadas, un análisis más profundo revela importantes diferencias entre ellas. Estas diferencias permiten además apuntar algunos problemas constitucionales más amplios que subyacen a la cuestión central abordada, esbozados en el presente artículo pendientes de discusión futura.Derech
Chiara d’Assisi, le compagne, le seguaci. Una storia medievale (secoli XIII-XV)
Get PDFEn este libro, el autor recorre más de treinta años de sus investigaciones sobre Clara de Asís, sus hermanas y las clarisas medievales, pero con una mirada renovada a la luz de los estudios que avanzan a gran velocidad en todo el mundo. Por tanto, lo que aquí se presenta se inscribe en el marco de los estudios más actualizados y contribuye a contrarrestar una reciente y minoritaria tendencia a reducir la novedad del estilo de vida de Clara y de varias monjas relacionadas con ella, reinsertándolo en una visión tradicionalista estrictamente monástica y claustral, tendencia contraria a la renovación de los estudios que, al menos desde los años setenta, han aportado nueva luz sobre la historia del movimiento femenino franciscano, gracias también al estudio en profundidad de las fuentes, con nuevas ediciones y adquisiciones.
Clara de Asís, "sierva de Cristo, plantita de san Francisco", como ella misma se llamaba, Inés de Bohemia, Filippa Mareri, las comunidades de damianitas y clarisas del siglo XIII, hasta las monjas observantes del siglo XV, que redescubrieron y siguieron la regla de Clara aprobada en 1253, la primera regla para mujeres escrita por una mujer en trece siglos de historia de la Iglesia: éstas son las "hermanas pobres" que lograron mantener su inspiración incluso frente a la agregación de comunidades monásticas femeninas propiciada por los papas, que preferían hablar de "pobres damas incluidas", imponiendo una estricta clausura.Humanidade
Bronchiolitis, Regardless of Its Etiology and Severity, Is Associated With Increased Risk of Asthma: A Population-Based Study
Get PDFAn association exists between severe respiratory syncytial virus (RSV)–bronchiolitis and a subsequent increased risk of recurrent
wheezing (RW) and asthma. However, a causal relationship remains unproven. Using a retrospective population-based cohort
study (339 814 children), bronchiolitis during the first 2 years of life (regardless of etiology and severity) was associated with at
least a 3-fold increased risk of RW/asthma at 2–4 years and an increased prevalence of asthma at ≥5 years of age. The risk was
similar in children with mild bronchiolitis as in those with hospitalized RSV-bronchiolitis and was higher in children with
hospitalized non-RSV-bronchiolitis. The rate of RW/asthma was higher when bronchiolitis occurred after the first 6 months of
life. Our results seem to support the hypothesis of a shared predisposition to bronchiolitis (irrespective of etiology) and RW/
asthma. However, 60% of hospitalized bronchiolitis cases in our setting are due to RSV, which should be paramount in
decision-making on imminent RSV prevention strategiesMedicin
Is Frailty Diagnosis Important in Patients with COPD? A Narrative Review of the Literature
Get PDFFrailty is prevalent in older adults and is related to a worsening functionality, quality of life,
and health outcomes. Though there is an increasing interest in this field, the relationship between
frailty and worsening COPD outcomes remains unknown. A narrative review of the literature with
studies published between 2018 and 2022 was carried out to address three questions: the prevalence
of frailty and other geriatric syndromes in COPD patients, the link between frailty and worsening
health outcomes in COPD patients, and the non-pharmacological interventions performed in order to
reverse frailty in these patients. A total of 25 articles were selected. Frailty prevalence ranged from
6% and 85.9%, depending on the COPD severity and the frailty measurement tool used. Frailty in
COPD patients was related to a high prevalence of geriatric syndromes and to a high incidence of
adverse events such as exacerbations, admissions, readmissions, and mortality. One study showed
improvements in functionality after physical intervention. In conclusion, the prevalence of frailty is
associated with a high incidence of geriatric syndromes and adverse events in COPD patients. The
use of frailty screenings and a comprehensive geriatric assessment of COPD patients is advisable in
order to detect associated problems and to establish individualized approaches for better outcomes.Medicin