1,980 research outputs found
Unveiling the bioactive potential of fresh fruit and vegetable waste in human health from a consumer perspective
Food supply disruption and shortage verified during the current pandemic events are a
scenario that many anticipate for the near future. The impact of climate changes on food production,
the continuous decrease in arable land, and the exponential growth of the human population are
important drivers for this problem. In this context, adding value to food waste is an obvious strategy
to mitigate food shortages, but there is a long way to go in this field. Globally, it is estimated that
one-third of all food produced is lost. This is certainly due to many different factors, but the lack
of awareness of the consumer about the nutritional value of certain foods parts, namely peels and
seeds, is certainly among them. In this review, we will unveil the nutritional and bioactive value of
the waste discarded from the most important fresh fruit and vegetables consumed worldwide as a
strategy to decrease food waste. This will span the characterization of the bioactive composition of
selected waste from fruits and vegetables, particularly their seeds and peels, and their possible uses,
whether in our diet or recycled to other ends.info:eu-repo/semantics/publishedVersio
Magnetic zeolites: novel nanoreactors through radiofrequency heating
Many catalytic applications use conventional heating to increase the temperature to allow the desired reaction. A novel methodology is presented for the preparation of magnetic zeolite-based catalysts, allowing more efficient radiofrequency heating. These nanoreactors are tested in the isomerisation of citronellal with successful results and without any apparent deactivation
Cyclohexanedione as the negative electrode reaction for organic redox flow batteries
The electrochemical reduction and oxidation of cyclohexanedione is evaluated for the first time as the negative electrode reaction in an organic redox flow battery. Electrochemical characterization indicates that the redox reaction of cyclohexanedione is a proton-coupled electron transfer process with quasi-reversible behavior in acidic media (pH 2 M) and exhibit reduction process with up to 4 electrons transferred
Pronóstico de la insuficiencia cardíaca aguda basado en datos clínicos de congestión
Acute heart failure; Congestion; Emergency departments; MortalityInsuficiència cardíaca aguda; Congestió; Serveis d'urgències; MortalitatInsuficiencia cardiaca aguda; Congestión; Servicios de urgencias; MortalidadBackground and objectives: This work aims to assess whether symptoms/signs of congestion in patients with acute heart failure (AHF) evaluated in hospital emergency departments (HED) allows for predicting short-term progress.
Patients and methods: The study group comprised consecutive patients diagnosed with AHF in 45 HED from EAHFE Registry. We collected clinical variables of systemic congestion (edema in the lower extremities, jugular vein distention, hepatomegaly) and pulmonary congestion (dyspnea on exertion, paroxysmal nocturnal dyspnea, orthopnea, and pulmonary crackles) and analysed their individual and group association with all-cause 30-day of mortality crudely and adjusted for differences between groups.
Results: We analysed 18,120 patients (median = 83 years, interquartile range [IQR] = 76-88; women = 55.7%). Of them, 44.6% had > 3 congestive symptoms/signs. Individually, the 30-day adjusted risk of death increased 14% for jugular vein distention (hazard ratio [HR] = 1.14, 95% confidence interval [95%CI] = 1.01-1.28) and 96% for dyspnea on exertion (HR = 1.96, 95% CI = 1.55-2.49). Assessed jointly, the risk progressively increased with the number of symptoms/signs present; compared to patients without symptoms/signs of congestion, the risk increased by 109%, 123 %, and 156% in patients with 1-2, 3-5, and 6-7 symptoms/signs, respectively. These associations did not show interaction with the final disposition of the patient after their emergency care (discharge/hospitalization) with the exception of edema in the lower extremities, which had a better prognosis in discharged patients (HR = 0.66, 95% CI = 0.49-0.89) than hospitalised patients (HR = 1.01, 95% CI = 0.65-1.57; interaction p < 0.001).
Conclusion: The presence of a greater number of congestive symptoms/signs was associated with greater all-cause 30-day mortality. Individually, jugular vein distention and dyspnea on exertion were associated with higher short-term mortality.Antecedentes y objetivos: : Evaluar si los síntomas/signos de congestión en pacientes con
insuficiencia cardíaca aguda (ICA) atendidos en los servicios de urgencias hospitalarios (SUH)
permiten predecir la evolución a corto plazo.
Pacientes y métodos: Pacientes consecutivos diagnosticados de ICA en 45 SUH del Registro
EAHFE. Recogimos variables clínicas de congestión sistémica (edemas en miembros inferiores,
ingurgitación yugular, hepatomegalia) y pulmonar (disnea de esfuerzo, disnea paroxística nocturna, ortopnea y crepitantes pulmonares) analizando su asociación con la mortalidad por
cualquier causa a 30 días, de forma cruda y ajustada por diferencias entre grupos.
Resultados: Analizamos 18.120 pacientes (mediana = 83 anos, ˜ rango intercuartil [RIC] = 76---88;
mujeres = 55,7%). El 44,6% presentaba >3 síntomas/signos congestivos. Individualmente, el
riesgo ajustado de muerte a 30 días se incrementó un 14% para la existencia de ingurgitación
yugular (hazard ratio [HR] = 1,14, intervalo de confianza al 95% [IC95%] = 1,01−1,28) y un
96% para la disnea de esfuerzo (HR = 1,96, IC95% = 1,55−2,49). Valorados conjuntamente,
el riesgo se incrementó progresivamente con el número de síntomas/signos presentes; así,
respecto a los pacientes sin síntomas/signos de congestión, el riesgo incrementó un 109%,
123% y 156% en pacientes con 1---2, 3---5 y 6---7 síntomas/signos respectivamente. Estas asociaciones no mostraron interacción con la disposición final del paciente tras su atención en
Urgencias (alta/hospitalización), con excepción de edemas en extremidades inferiores, que
tuvieron mejor pronóstico en pacientes dados de alta (HR = 0,66, IC95% = 0,49−0,89) que en
los hospitalizados (HR = 1,01, IC95% = 0,65−1,57; p interacción <0,001).
Conclusión: La presencia de mayor número de síntomas/signos congestivos se asoció a una
mayor mortalidad de cualquier causa a los 30 días. Individualmente, la ingurgitación yugular y
la disnea de esfuerzo se asocian a mayor mortalidad a corto plazo
Switching from natalizumab to fingolimod: an observational study
Background – Multiple sclerosis patients who discontinue using
natalizumab are at risk of a rebound in disease activity. However, the
optimal alternative therapy is not currently known. Aims of the
study – We report on clinical and MRI data and patient safety in a
group of relapsing–remitting multiple sclerosis patients who tested
seropositive for the JC virus and who have switched from
natalizumab to fingolimod because of concerns regarding PML risks.
Methods – The test for JC virus antibodies was performed in 18
relapsing–remitting multiple sclerosis patients who were being treated
with natalizumab for more than 1 year. Eight seropositive patients
switched to fingolimod while the seronegative patients continued with
natalizumab. Results – After switching to fingolimod, five of eight
patients (63%) experienced clinical relapses, and MRI activity was
detected in six of eight patients (75%). Neither clinical relapses nor
MRI activity was observed in the patients who continued with
natalizumab. No serious adverse effects were detected. Conclusions –
Natalizumab is an effective treatment for relapsing–remitting multiple
sclerosis, but its discontinuation continues to be a complex problem.
All of the therapies tried thus far, including fingolimod, have been
unable to control the reactivation of the disease. Further studies
addressing alternative therapies after natalizumab discontinuation are
necessary
Geriatric pharmacotherapy : optimisation through integrated approach in the hospital setting
Since older patients are more vulnerable to adverse drug-related events, there is a need to ensure appropriate prescribing in these patients in order to prevent misuse, overuse and underuse of drugs. Different tools and strategies have been developed to reduce inappropriate prescribing; the available measures can be divided into medication assessment tools, and specific interventions to reduce inappropriate prescribing. Implicit criteria of inappropriate prescribing focus on appropriate dosing, search for drug-drug interactions, and increase adherence. Explicit criteria are consensus-based standards focusing on drugs and diseases and include lists of drugs to avoid in general or lists combining drugs with clinical data. These criteria take into consideration differences between patients, and stand for a medication review, by using a systematic approach. Different types of interventions exist in order to reduce inappropriate prescribing in older patients, such as: educational interventions, computerized decision support systems, pharmacist-based interventions, and geriatric assessment. The effects of these interventions have been studied, sometimes in a multifaceted approach combining different techniques, and all types seem to have positive effects on appropriateness of prescribing. Interdisciplinary teamwork within the integrative pharmaceutical care is important for improving of outcomes and safety of drug therapy. The pharmaceutical care process consists offour steps, which are cyclic for an individual patient. These steps are pharmaceutical anamnesis, medication review, design and follow-up of a pharmaceutical care plan. A standardized approach is necessary for the adequate detection and evaluation of drug-related problems. Furthermore, it is clear that drug therapy should be reviewed in-depth, by having full access to medical records, laboratory values and nursing notes. Although clinical pharmacists perform the pharmaceutical care process to manage the patient’s drug therapy in every day clinical practice, the physician takes the ultimate responsibility for the care of the patient in close collaboration with nurses
Hipótesis acerca de la formación de una galerna típica
Ponencia presentada en: III Simposio Nacional de Predicción del Instituto Nacional de Meteorología, celebrado en 1996 en MadridEn el presente estudio se expone un modelo conceptual capaz de explicar la formación y propagación de la galerna típica intentando así llenar el vacío de ciertos criterios existentes hasta ahora. Según este modelo la galerna típica es un fenómenos comprendido entre la micro y la mesoescala que se origina al converger dos masas de aire de muy distintas características térmicas. La convergencia de estas masas y por tanto la propagación de la galerna típica está regida por el campo sinóptico de la presión
Dynamical approach to spectator fragmentation in Au+Au reactions at 35 MeV/A
The characteristics of fragment emission in peripheral Au+Au
collisions 35 MeV/A are studied using the two clusterization approaches within
framework of \emph{quantum molecular dynamics} model. Our model calculations
using \emph{minimum spanning tree} (MST) algorithm and advanced clusterization
method namely \emph{simulated annealing clusterization algorithm} (SACA) showed
that fragment structure can be realized at an earlier time when spectators
contribute significantly toward the fragment production even at such a low
incident energy. Comparison of model predictions with experimental data reveals
that SACA method can nicely reproduce the fragment charge yields and mean
charge of the heaviest fragment. This reflects suitability of SACA method over
conventional clusterization techniques to investigate spectator matter
fragmentation in low energy domain.Comment: 6 pages, 5 figures, accepte
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