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PubMed Journals Articles About "Nitrogen Oxygen Isotopes Dissolved Nitrate Trace Field Scale" RSS

13:21 EDT 17th July 2019 | BioPortfolio

Nitrogen Oxygen Isotopes Dissolved Nitrate Trace Field Scale PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Nitrogen Oxygen Isotopes Dissolved Nitrate Trace Field Scale articles that have been published worldwide.

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Showing "nitrogen oxygen isotopes dissolved nitrate trace field scale" PubMed Articles 1–25 of 19,000+

Andrographolide sensitizes Hep-2 human laryngeal cancer cells to carboplatin-induced apoptosis by increasing reactive oxygen species levels.

Andrographolide is a natural diterpenoid from Andrographis paniculata that has been proposed as an anticancer agent as well as a chemosensitizer for use in combination with anticancer drugs. Carboplatin is the first-line chemotherapeutic agent for advanced laryngeal carcinoma. However, the clinical efficacy of carboplatin is limited by drug resistance and side effects. The aim of this study was to investigate whether andrographolide has a synergistic antitumor effect with carboplatin on human laryngeal canc...


Continuous Noninvasive Hemoglobin Monitoring Reflects the Development of Acute Hemodilution After Consecutive Fluid Challenges.

Consecutive fluid challenges (FCs) are frequently administered to maximize the stroke volume (SV) as part of a goal-directed therapy (GDT) strategy. However, fluid administration may also cause acute hemodilution that might lead to an actual paradoxical decrease in oxygen delivery (DO2). The aim of this study was to examine whether continuous noninvasive hemoglobin (SpHb) monitoring can be used to detect the development of acute hemodilution after graded fluid administration.

Continuous Near-Infrared Spectroscopy Monitoring in Adult Traumatic Brain Injury: A Systematic Review.

Near-infrared spectroscopy (NIRS) may provide a noninvasive way to monitor cerebral oxygenation in patients with traumatic brain injury, therein allowing for timely intervention aimed at reversing regional brain tissue hypoxia. We conducted a systematic review of NIRS-based oximetry measurements and their association with (A) patient functional outcome (B) other neurophysiological parameters. We searched MEDLINE, EMBASE, SCOPUS, BIOSIS, GlobalHealth and Cochrane Databases from inception to December 2018 and...


A Randomized Controlled Trial Assessing the Efficacy of Group Psychological First Aid.

A randomized controlled trial assessed the efficacy of group psychological first aid (PFA) by comparing the Johns Hopkins RAPID-PFA model with a group conversation condition in 119 participants using the state version of State Trait Anxiety Scale and the Positive and Negative Affect Schedules. Both groups showed similar baseline scores, and after watching a distressing 5-minute video, both groups showed similar significant increases in state anxiety scores and negative affect scores, as well as similar decr...

The Association Between Child Abuse and Emotional and Behavioral Problems in Chinese School-Aged Boys With Attention Deficit Hyperactivity Disorder.

The aim of our study was to investigate the relationship between child abuse and emotional and behavioral problems in Chinese school-aged boys with attention deficit hyperactivity disorder (ADHD). Forty-eight school-aged boys with ADHD and 77 male healthy controls completed the final assessments that included the Child Behavior Checklist, the Barratt Impulsiveness Scale Version 11, the Screen for Child Anxiety Related Disorders, the Depression Self-Rating Scale for Children, and the Childhood Trauma Questio...

CASE SERIES OF HYPERBARIC OXYGEN THERAPY FOR CENTRAL RETINAL ARTERY OCCLUSION.

To retrospectively report the outcomes of patients presenting to our facility with central retinal artery occlusion and receiving therapy with hyperbaric oxygen (HBO).

Factors Affecting Prognosis in Patients With Spontaneous Supratentorial Intracerebral Hemorrhage Under Medical and Surgical Treatment.

Spontaneous intracerebral hemorrhage (ICH) is a vascular brain disease that causes very high rates of death and disability. Whether surgical or medical treatment is more appropriate is controversial.The purpose of the study was to examine the morbidity and mortality rates of surgical and medical therapy and their differences in order to determine which patients should be operated.In our study, the authors selected randomly and evaluated retrospectively 49 patients who were operated in Haydarpaşa Numune Res...

Step Frequency Training Improves Running Economy in Well-Trained Female Runners.

Quinn, TJ, Dempsey, SL, LaRoche, DP, Mackenzie, AM, and Cook, SB. Step frequency training improves running economy in well-trained female runners. J Strength Cond Res XX(X): 000-000, 2019-The purpose was to determine whether a short training program (15 minutes for 10 days) to increase step frequency to 180 steps per min would elicit improvements in running economy (RE). Experimental (n = 11) and control (n = 11) female subjects reported to the laboratory for 12 consecutive days and completed 2 RE tests at ...

Effects of Group Running on the Training Intensity Distribution of Collegiate Cross-Country Runners.

Farrell III, JW, Dunn, A, Cantrell, GS, Lantis, DJ, Larson, DJ, and Larson, RD. Effects of group running on the training intensity distribution of collegiate cross-country runners. J Strength Cond Res XX(X): 000-000, 2019-Collegiate cross-country training is often conducted and prescribed in a group setting. This may result in the application of an inappropriate training stimulus to athletes due to potentially different physiological responses to the same training prescription. The aim of this investigation...

Developing the first national database and map of lymphatic filariasis clinical cases in Bangladesh: Another step closer to the elimination goals.

The Bangladesh Lymphatic Filariasis (LF) Elimination Programme has made significant progress in interrupting transmission through mass drug administration (MDA) and has now focussed its efforts on scaling up managing morbidity and preventing disability (MMDP) activities to deliver the minimum package of care to people affected by LF clinical conditions. This paper highlights the Bangladesh LF Programme's success in conducting a large-scale cross-sectional survey to determine the number of people affected by...

Expression of Bacillus thuringiensis toxin Cyt2Ba in the entomopathogenic fungus Beauveria bassiana increases its virulence towards Aedes mosquitoes.

The entomopathogenic fungus Beauveria bassiana has been widely used to kill mosquito larvae and adults in the laboratory and field. However, its slow action of killing has hampered its widespread application. In our study, the B. bassiana fungus was genetically modified to express the Bacillus thuringiensis (Bt) toxin Cyt2Ba to improve its efficacy in killing mosquitoes.

A formal model of neighborhood representation and applications in urban building aggregation supported by Delaunay triangulation.

Neighborhood relationship plays an important role in spatial analysis, map generalization, co-location data mining and other applications. From the perspective of computation, the formal model of neighborhood representation is a challenging question. This study presents a formal spatial data model for representing the planar spatial field with the support of Delaunay triangulation. Based on the three geometric elements in a triangle of the vertex, edge, and triangle area, the constructed data model describe...

Sociodemographic, nutritional, and environmental factors are associated with cognitive performance among Orang Asli children in Malaysia.

Children aged 2 to 6 years are in a crucial period of growth development, during which it is important for them to attain specific cognition related to concentration and attention so that they can perform well in school later in life. Various factors influence children's cognition during this crucial period. However, to date, only a limited number of studies have examined the cognitive performance of underprivileged children living in poverty, particularly indigenous children (also known as Orang Asli child...

Altered individual behavioral and EEG parameters are related to the EDSS score in relapsing-remitting multiple sclerosis patients.

Functional neuroanatomy of cognitive impairment in multiple sclerosis is currently still a challenge. During the progression of the disease, several cognitive mechanisms deteriorate thus diminishing the patient's quality of life. A primary objective in the cognitive assessment of multiple sclerosis (MS) patients is to find reliable measures utilizing diverse neuroimaging techniques. Moreover, especially relevant in the clinical environment is finding technical approaches that could be applied to individual ...

Inflammatory monocytes provide a niche for Salmonella expansion in the lumen of the inflamed intestine.

Salmonella exploit host-derived nitrate for growth in the lumen of the inflamed intestine. The generation of host-derived nitrate is dependent on Nos2, which encodes inducible nitric oxide synthase (iNOS), an enzyme that catalyzes nitric oxide (NO) production. However, the cellular sources of iNOS and, therefore, NO-derived nitrate used by Salmonella for growth in the lumen of the inflamed intestine remain unidentified. Here, we show that iNOS-producing inflammatory monocytes infiltrate ceca of mice infecte...

Morphological and physiological traits in relation to carbon balance in a diverse clade of dryland mosses.

Plant functional trait analyses have focused almost exclusively on vascular plants, but bryophytes comprise ancient and diverse plant lineages that have widespread global distributions and important ecological functions in terrestrial ecosystems. We examined a diverse clade of dryland mosses, Syntrichia, and studied carbon balance during a precipitation event (C-balance), a functional trait related to physiological functioning, desiccation tolerance, survival, and ecosystem carbon and nitrogen cycling. We e...

Effects of nutrient supply, herbivory, and host community on fungal endophyte diversity.

The microbes contained within free-living organisms can alter host growth, reproduction, and interactions with the environment. In turn, processes occurring at larger scales determine the local biotic and abiotic environment of each host that may affect the diversity and composition of the microbiome community. Here, we examine variation in the diversity and composition of the foliar fungal microbiome in the grass host, Andropogon gerardii, across four mesic prairies in the central United States. Compositio...

Reactive oxygen species and reactive carbonyl species constitute a feed-forward loop in the auxin signaling for lateral root formation.

In auxin-stimulated roots, production of reactive oxygen species (ROS) via the hormone-induced activation of respiratory burst oxidase homologous NADPH oxidases facilitates lateral root (LR) formation. In this study, in order to verify that ROS can modulate auxin signaling, we examined the involvement of the lipid peroxide-derived agents known as reactive carbonyl species (RCS) in LR formation. When auxin was added to Arabidopsis thaliana roots, the levels of RCS, e.g., acrolein, 4-hydroxynonenal and croton...

Continuous Flow, Large-Scale, Microbial Fuel Cell System for the Sustained Treatment of Swine Waste.

Microbial fuel cells (MFCs) have long held the promise of being a cost-effective technology for the energy-neutral treatment of wastewater. However, successful pilot-scale demonstrations for this technology are still limited to very few. Here we present a large-scale MFC system, composed of 12 MFCs with a total volume of 110 L successfully treating swine wastewater at a small educational farm. The system was operated for over 200 days in continuous mode with hydraulic residence time of 4 hours. Very stable ...

Rapid healing of a critical-sized bone defect using a collagen-hydroxyapatite scaffold to facilitate low dose, combinatorial growth factor delivery.

The healing of large, critically sized, bone defects remains an unmet clinical need in modern orthopaedic medicine. The tissue engineering field is increasingly using biomaterial scaffolds as 3D templates to guide the regenerative process which can be further augmented via the incorporation of recombinant growth factors. Typically, this necessitates supraphysiological doses of growth factor to facilitate an adequate therapeutic response. Herein, we describe a cell-free, biomaterial implant which is function...

Positive selection pressure on E2 protein of classical swine fever virus drives variations in virulence, pathogenesis and antigenicity: implication for epidemiological surveillance in endemic areas.

Classical swine fever (CSF), caused by CSF virus (CSFV), is considered one of the most important infectious diseases with devasting consequences for the pig industry. Recent reports describe the emergence of new CSFV-strains resulting from the action of positive selection pressure, due mainly to the bottleneck effect generated by ineffective vaccination. Even though a decrease in the genetic diversity of the positive selected CSFV-strains has been observed by several research groups, there is little informa...

Atmospheric iodine (127I and 129I) record in spruce tree rings in the northeast Qinghai-Tibet Plateau.

Atmospheric iodine isotopes have significant impacts on climate change and human health. However, the sources, transport pathway, and transfer process of atmospheric iodine are still not well understood. Tree rings of spruce collected from the east edge of Qinghai-Tibet Plateau were analyzed for iodine isotopes (I and I). The results show that the levels and temporal variation of atmospheric iodine were well recorded in the spruce tree rings, and iodine concentrations in tree rings increased three times fro...

Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field.

Artificial playing surfaces are becoming more common due to decreased cost of maintenance and increased field usability across different environmental conditions. The Fédération Internationale de Football Association (FIFA) has approved newer generation artificial turf for soccer competition at the elite level, but many elite-level athletes prefer to play on natural grass surfaces due to a perceived increase in injury rate, discomfort, and fatigability on artificial turf.

Interrater Reliability and Concurrent Validity for the Apraxia of Speech Rating Scale 3.0: Application With Persons With Acquired Apraxia of Speech and Aphasia.

Purpose This investigation was designed to provide interrater reliability data for the Apraxia of Speech Rating Scale 3.0 (ASRS 3.0; Strand, Duffy, Clark, & Josephs, 2014 ). Importantly, ratings were completed by investigators who were not involved with the ASRS development. Another aim was to evaluate the relationship of the ASRS 3.0 total score to word intelligibility. Method Two investigators independently completed ASRS 3.0 ratings for 28 participants with chronic apraxia of speech and aphasia. Intellig...

Cerebellar contribution to vocal emotion decoding: Insights from stroke and neuroimaging.

While the role of the cerebellum in emotion recognition has been explored with facial expressions, its involvement in the auditory modality (i.e., emotional prosody) remains to be demonstrated. The present study investigated the recognition of emotional prosody in 15 patients with chronic cerebellar ischaemic stroke and 15 matched healthy controls, using a validated task, as well as clinical, motor, neuropsychological, and psychiatric assessments. We explored the cerebellar lesion-behaviour relationship usi...


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