989 resultados para Reduced Neutral Red


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Selostus: Suolapitoisuuden pienentämisen vaikutus kinkkuleikkeen aistittuun suolaisuuteen

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En el marco de una investigación más amplia sobre transiciones escolares y el papel de las redes sociales te pedimos que contestes las preguntas siguientes acerca de tus relaciones personales. Te rogamos que leas con atención las preguntas y contestes con sinceridad. Agradecemos mucho tu colaboración.

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La Red Española de Investigación en Cuidados de Enfermería de Salud Mental y Adicciones (REICESMA) es una estructura formada por grupos enfermeros de investigación que desarrollan su actividad científica en el ámbito de los cuidados de la enfermería de salud mental y adicciones. REICESMA es un proyecto de larga evolución: como es sabido, no se puede crear una red de forma espontánea sino que se requieren unas bases y unos requisitos previos imprescindibles. Si revisamos esos requisitos en plan descendente, el paso previo y el que se mantiene en todo el proceso de construcción y desarrollo de una red de investigación es la existencia de Grupos de Investigación. Podríamos aceptar que a partir de la existencia de dos Grupos de Investigación ya se podría configurar una Red. Seguramente es posible, pero en nuestra visión de REICESMA la estructura ha de ser mucho más amplia. Nuestro punto de referencia (aunque no necesariamente tiene que ser el punto de llegada) son las convocatorias oficiales de reconocimiento de redes /los criterios de definición de Red en los que se detalla que una Red deberá estar formada por al menos 10 grupos de investigación de cuatro más comunidades autónomas.

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Selostus: Aurattoman viljelyn vaikutus eroosioon ja ravinnehuuhtoumiin eteläsuomlaisella, savimaalla sijaitsevalla pellolla

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The Na(+)-independent alanine-serine-cysteine transporter 1 (Asc-1) is exclusively expressed in neuronal structures throughout the central nervous system (CNS). Asc-1 transports small neutral amino acids with high affinity especially for D-serine and glycine (K(i): 8-12 microM), two endogenous glutamate co-agonists that activate N-methyl-D-aspartate (NMDA) receptors through interacting with the strychnine-insensitive glycine binding-site. By regulating D-serine (and possibly glycine) levels in the synaptic cleft, Asc-1 may play an important role in controlling neuronal excitability. We generated asc-1 gene knockout (asc-1(-/-)) mice to test this hypothesis. Behavioral phenotyping combined with electroencephalogram (EEG) recordings revealed that asc-1(-/-) mice developed tremors, ataxia, and seizures that resulted in early postnatal death. Both tremors and seizures were reduced by the NMDA receptor antagonist MK-801. Extracellular recordings from asc-1(-/-) brain slices indicated that the spontaneous seizure activity did not originate in the hippocampus, although, in this region, a relative increase in evoked synaptic responses was observed under nominal Mg(2+)-free conditions. Taken together with the known neurochemistry and neuronal distribution of the Asc-1 transporter, these results indicate that the mechanism underlying the behavioral hyperexcitability in mutant mice is likely due to overactivation of NMDA receptors, presumably resulting from elevated extracellular D-serine. Our study provides the first evidence to support the notion that Asc-1 transporter plays a critical role in regulating neuronal excitability, and indicate that the transporter is vital for normal CNS function and essential to postnatal survival of mice.

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Audit report on the City of Red Oak, Iowa for the year ended June 30, 2014

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PURPOSE: To evaluate the technical quality and the diagnostic performance of a protocol with use of low volumes of contrast medium (25 mL) at 64-detector spiral computed tomography (CT) in the diagnosis and management of adult, nontraumatic subarachnoid hemorrhage (SAH). MATERIALS AND METHODS: This study was performed outside the United States and was approved by the institutional review board. Intracranial CT angiography was performed in 73 consecutive patients with nontraumatic SAH diagnosed at nonenhanced CT. Image quality was evaluated by two observers using two criteria: degree of arterial enhancement and venous contamination. The two independent readers evaluated diagnostic performance (lesion detection and correct therapeutic decision-making process) by using rotational angiographic findings as the standard of reference. Sensitivity, specificity, and positive and negative predictive values were calculated for patients who underwent CT angiography and three-dimensional rotational angiography. The intraclass correlation coefficient was calculated to assess interobserver concordance concerning aneurysm measurements and therapeutic management. RESULTS: All aneurysms were detected, either ruptured or unruptured. Arterial opacification was excellent in 62 cases (85%), and venous contamination was absent or minor in 61 cases (84%). In 95% of cases, CT angiographic findings allowed optimal therapeutic management. The intraclass correlation coefficient ranged between 0.93 and 0.95, indicating excellent interobserver agreement. CONCLUSION: With only 25 mL of iodinated contrast medium focused on the arterial phase, 64-detector CT angiography allowed satisfactory diagnostic and therapeutic management of nontraumatic SAH.

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The control and regrowth after nicosulfuron reduced rate treatment of Johnsongrass (Sorghum halepense L. Pers.) populations, from seven Argentinean locations, were evaluated in pot experiments to assess if differential performance could limit the design and implementation of integrated weed management programs. Populations from humid regions registered a higher sensibility to reduced rates of nicosulfuron than populations from subhumid regions. This effect was visualised in the values of regression coefficient of the non-linear models (relating fresh weight to nicosulfuron rate), and in the time needed to obtain a 50% reduction of photosynthesis rate and stomatal conductance. The least leaf CO2 exchange of subhumid populations could result in a lower foliar absorption and translocation of nicosulfuron, thus producing less control and increasing their ability to sprout and produce new aerial biomass. The three populations from subhumid regions, with less sensibility to nicosulfuron rates, presented substantial difference in fresh weight, total rhizome length and number of rhizome nodes, when they were evaluated 20 week after treatment. In consequence, a substantial Johnsongrass re-infestation could occur, if rates below one-half of nicosulfuron labeled rate were used to control Johnsongrass in subhumid regions.

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Red light running continues to be a serious safety concern for many communities in the United States. The Federal Highway Administration reported that in 2011, red light running accounted for 676 fatalities nationwide. Red light running crashes at a signalized intersections are more serious, especially in high speed corridors where speeds are above 35 mph. Many communities have invested in red light countermeasures including low-cost strategies (e.g. signal backplates, targeted enforcement, signal timing adjustments and improvement with signage) to high-cost strategies (e.g. automated enforcement and intersection geometric improvements). This research study investigated intersection confirmation lights as a low-cost strategy to reduce red light running violations. Two intersections in Altoona and Waterloo, Iowa were equipped with confirmation lights which targeted the through and left turning movements. Confirmation lights enable a single police officer to monitor a specific lane of traffic downstream of the intersection. A before-after analysis was conducted in which a change in red light running violations prior to- and 1 and 3 months after installation were evaluated. A test of proportions was used to determine if the change in red light running violation rates were statistically significant at the 90 and 95 percent levels of confidence. The two treatment intersections were then compared to the changes of red light running violation rates at spillover intersections (directly adjacent to the treatment intersections) and control intersections. The results of the analysis indicated a 10 percent reduction of red light running violations in Altoona and a 299 percent increase in Waterloo at the treatment locations. Finally, the research team investigated the time into red for each observed red light running violation. The analysis indicated that many of the violations occurred less than one second into the red phase and that most of the violation occurred during or shortly after the all-red phase.

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The rice low phytic acid (lpa) mutant Os-lpa-XS110-1(XS-lpa) has ~45 % reduction in seed phytic acid (PA) compared with the wild-type cultivar Xiushui 110. Previously, a single recessive gene mutation was shown to be responsible for the lpa phenotype and was mapped to a region of chromosome 3 near OsMIK (LOC_Os03g52760) and OsIPK1 (LOC_Os03g51610), two genes involved in PA biosynthesis. Here, we report the identification of a large insert in the intron of OsMIK in the XS-lpa mutant. Sequencing of fragments amplified through TAIL-PCRs revealed that the insert was a derivative of the LINE retrotransposon gene LOC_Os03g56910. Further analyses revealed the following characteristics of the insert and its impacts: (1) the inserted sequence of LOC_Os03g56910 was split at its third exon and rejoined inversely, with its 5' and 3' flanking sequences inward and the split third exon segments outward; (2) the LOC_Os03g56910 remained in its original locus in XS-lpa, and the insertion probably resulted from homologous recombination repair of a DNA double strand break; (3) while the OsMIK transcripts of XS-lpa and Xiushui 110 were identical, substantial reductions of the transcript abundance (~87 %) and the protein level (~60 %) were observed in XS-lpa, probably due to increased methylation in its promoter region. The above findings are discussed in the context of plant mutagenesis, epigenetics and lpa breeding.

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Objective: To investigate the association between fear of falling appearing within one month after discharge from post-acute rehabilitation and functional status in elderly patients. Methods: Participants (N=180, mean age 81.37.1 years, 75.6% women) were patients consecutively admitted to rehabilitation over a 6-month period. Demographics, functional, cognitive and affective status were assessed upon admission; functional status was assessed at discharge; history of falls since discharge, functional and affective status were assessed by phone one month after discharge. Fear of falling was assessed using the question: "Are you afraid of falling?". Results: Among patients without fear of falling at discharge (N=95), 20.0% (N=19) reported new fear of falling one month after discharge. Living alone (adjOR=4.9, 95%CI 1.04-23.16, P=.045), functional status at discharge (adjOR=0.5, 95%CI 0.32-0.88, P=.014), and depressive symptoms (adjOR=5.4, 95%CI 1.20-24.32, P=.028) independently predicted fear of falling at one month. There was weak evidence that history of falls since discharge (adjOR=4.1, 95%CI 0.81-21.31, P=.088) was associated with new fear of falling. Developing fear of falling was also associated with reduced functional status at one month (mean basic ADL score: fearful 5.20.8; confident: 5.80.4,P<.001). This association remained after controlling for demographics, functional status at discharge, depressive symptoms, and history of falls since discharge (coef =-0.4, 95%CI -0.73 to -0.16, P=.003). Conclusion: Fear of falling appearing within one month after discharge from post-acute rehabilitation was associated with reduced functional status in elderly patients. Further studies should determine whether early interventions targeting specifically fear of falling in these patients would improve their functional status.

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Actualmente, el transporte por carretera de mercancías de larga distancia está dominado por vehículos propulsados por diésel. Este combustible fósil derivado del petróleo puede ser parcialmente sustituido por otro combustible alternativo: el gas natural licuado (LNG). Su uso proporcionará una disminución de la dependencia de los estados productores de petróleo, es comparable en energía específica y densidad energética al diésel, es seguro, disminuye las emisiones contaminantes, en nivel de ruido y es actualmente más económico. Recopilar datos reales sobre el transporte por carretera en la EU27 (energía utilizada por este tipo de transporte, localización de las terminales de LNG operativas, determinar las reservas disponibles, calcular la población que va a cubrir y calcular la energía necesaria disponible para dar cobertura a esa población según la cantidad de energía per cápita utilizada para este tipo de transporte). Determinar las interconexiones a cubrir por la red paneuropea de transporte propuesta y decidir las localizaciones de las EESS a ser construidas para cubrir las recomendaciones de la EC de manera que ningún tramo supere los 400 km dentro de esos itinerarios. Calcular todas las distancias que separan cada terminal de LNG operatica de cada EESS (1300 distancias calculadas). Construir el modelo de programación lineal. Resolver, interpretar, validar y comprobar que es posible su utilización para la puesta en práctica del modelo propuesto, asumiendo la distribución total del LNG disponible y la minimización de los costes globales de distribución del mismo, desde el punto de vista económico. Se procederá buscando los datos en fuentes fiables que nos permitan realizar los cálculos necesarios para construir el modelo y resolviéndolo con el software adecuado a un modelo de estas dimensiones. Se ha conseguido una solución óptima, con la distribución total del LNG y minimizando los costes globales. Además, se ha obtenido movimiento de combustible en 76 de las 1300 variables, que han mostrado un déficit de terminales de almacenamiento de LNG para su distribución en el norte y centro de Europa, que se ve compensando con un flujo de transporte de este combustible desde la península ibérica principalmente y, en menor medida, desde Italia.