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#28968347   2017/10/02 Save this To Up

Estimating Risk of Hematopoietic Acute Radiation Syndrome in Children.

Following a radiological terrorist attack or radiation accident, the general public may be exposed to radiation. Historically, modeling efforts have focused on radiation effects on a "reference man"-a 70-kg, 180-cm-tall, 20- to 30-y-old male-which does not adequately reflect radiation hazard to special populations, particularly children. This work examines the radiosensitivity of children with respect to reference man to develop a set of parameters for modeling hematopoetic acute radiation syndrome in children. This analysis was performed using animal studies and the results verified using data from medical studies. Overall, the hematopoietic system in children is much more radiosensitive than that in adults, with the LD50 for children being 56% to 91% of the LD50 of adults, depending on age.

1201 related Products with: Estimating Risk of Hematopoietic Acute Radiation Syndrome in Children.

Goat Anti-Human Wiskott-A Interleukin-34 IL34 (N-t Interleukin-34 IL34 anti Sterile filtered goat se Sterile filtered goat se Sterile filtered mouse s Sterile filtered rat ser ING1B antisense ING1B sense Interferon γ p19 INK4D AKT1 (dn) Inducible

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#28620458   2017/06/16 Save this To Up

Reproducibility2020: Progress and priorities.

The preclinical research process is a cycle of idea generation, experimentation, and reporting of results. The biomedical research community relies on the reproducibility of published discoveries to create new lines of research and to translate research findings into therapeutic applications. Since 2012, when scientists from Amgen reported that they were able to reproduce only 6 of 53 "landmark" preclinical studies, the biomedical research community began discussing the scale of the reproducibility problem and developing initiatives to address critical challenges. Global Biological Standards Institute (GBSI) released the "Case for Standards" in 2013, one of the first comprehensive reports to address the rising concern of irreproducible biomedical research. Further attention was drawn to issues that limit scientific self-correction, including reporting and publication bias, underpowered studies, lack of open access to methods and data, and lack of clearly defined standards and guidelines in areas such as reagent validation. To evaluate the progress made towards reproducibility since 2013, GBSI identified and examined initiatives designed to advance quality and reproducibility. Through this process, we identified key roles for funders, journals, researchers and other stakeholders and recommended actions for future progress. This paper describes our findings and conclusions.

1494 related Products with: Reproducibility2020: Progress and priorities.

Androgen Receptor (Phosph Androgen Receptor (Phosph Rabbit Anti-Human Androge Rabbit Anti-Human Androge Androgen Receptor (Ab 650 cell cycle progression 2 AZD-3514 Mechanisms: Andr 17β-Acetoxy-2α-bromo-5 (5α,16β)-N-Acetyl-16-[2 (5α,16β)-N-Acetyl-16-ac 5α-N-Acetyl-2'H-androst- 5α-N-Acetyl-2'H-androst-

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#28620357   2017/06/16 Save this To Up

The Effectiveness of Nitrate-Mediated Control of the Oil Field Sulfur Cycle Depends on the Toluene Content of the Oil.

The injection of nitrate is one of the most commonly used technologies to impact the sulfur cycle in subsurface oil fields. Nitrate injection enhances the activity of nitrate-reducing bacteria, which produce nitrite inhibiting sulfate-reducing bacteria (SRB). Subsequent reduction of nitrate to di-nitrogen (N2) alleviates the inhibition of SRB by nitrite. It has been shown for the Medicine Hat Glauconitic C (MHGC) field, that alkylbenzenes especially toluene are important electron donors for the reduction of nitrate to nitrite and N2. However, the rate and extent of reduction of nitrate to nitrite and of nitrite to nitrogen have not been studied for multiple oil fields. Samples of light oil (PNG, CPM, and Tundra), light/heavy oil (Gryphon and Obigbo), and of heavy oil (MHGC) were collected from locations around the world. The maximum concentration of nitrate in the aqueous phase, which could be reduced in microcosms inoculated with MHGC produced water, increased with the toluene concentration in the oil phase. PNG, Gryphon, CPM, Obigbo, MHGC, and Tundra oils had 77, 17, 5.9, 4.0, 2.6, and 0.8 mM toluene, respectively. In incubations with 49 ml of aqueous phase and 1 ml of oil these were able to reduce 22.2, 12.3, 7.9, 4.6, 4.0, and 1.4 mM of nitrate, respectively. Nitrate reduced increased to 35 ± 4 mM upon amendment of all these oils with 570 mM toluene prior to incubation. Souring control by nitrate injection requires that the nitrate is directed toward oxidation of sulfide, not toluene. Hence, the success of nitrate injections will be inversely proportional to the toluene content of the oil. Oil composition is therefore an important determinant of the success of nitrate injection to control souring in a particular field.

1958 related Products with: The Effectiveness of Nitrate-Mediated Control of the Oil Field Sulfur Cycle Depends on the Toluene Content of the Oil.

CSL Gradient Thermal Cycl CSL Gradient Thermal Cycl CSL Thermal Cycler with C MultiGene Gradient therm MultiGene OptiMax Thermal BACTERIOLOGY BACTEROIDES TCP-1 theta antibody Sour Recombinant Thermostable Recombinant Thermostable Recombinant Thermostable Recombinant Human PKC the Recombinant Human PKC the

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#28405626   2017/04/13 Save this To Up

Basic Scholarship in Biosafety Is Critically Needed To Reduce Risk of Laboratory Accidents.

Our firm conducted a risk/benefit assessment of "gain-of-function" research, as part of the deliberative process following a U.S. moratorium on the research (U.S. Department of Health and Human Services, U.S. Government Gain-of-Function Deliberative Process and Research Funding Pause on Selected Gain-of-Function Research Involving Influenza, MERS, and SARS Viruses, 2014). Due to significant missing but theoretically acquirable data, our biosafety assessment faced limitations, and we were forced to provide a relative, instead of absolute, measure of risk (Gryphon Scientific, LLC, Risk and Benefit Analysis of Gain of Function Research, 2016). Here, we argue that many of these types of missing data represent large and stunning gaps in our knowledge of biosafety and argue that these missing data, once acquired via primary research efforts, would improve biosafety risk assessments and could be incorporated into biosafety practices to reduce risk of accidents. Governments invest billions in biological research; at least a small fraction of this support is warranted to prevent biological accidents.

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Interleukin-34 IL34 (N-t Interleukin-34 IL34 anti Anti AGO2 Human, Monoclon Anti AGO2 Mouse, Monoclon Anti AGO2 Human, Monoclon Anti AGO2 Mouse, Monoclon HIV1 integrase antibody, Shiga Toxin 1 antibody, M Shiga Toxin 2 antibody, M Cholera toxin antibody, M Clostridium botulinum D T Clostridum difficile toxi

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#28264826   2017/03/07 Save this To Up

Computer-determined dosage of insulin in the management of neonatal hyperglycaemia (HINT2): protocol of a randomised controlled trial.

Neonatal hyperglycaemia is frequently treated with insulin, which may increase the risk of hypoglycaemia. Computer-determined dosage of insulin (CDD) with the STAR-GRYPHON program uses a computer model to predict an effective dose of insulin to treat hyperglycaemia while minimising the risk of hypoglycaemia. However, CDD models can require more frequent blood glucose testing than common clinical protocols. The aim of this trial is to determine if CDD using STAR-GRYPHON reduces hypoglycaemia in hyperglycaemic preterm babies treated with insulin independent of the frequency of blood glucose testing.

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Mouse Anti-Human Insulin Mouse Anti-Human Insulin Mouse Anti-Human Insulin Guinea Pig Anti-Porcine I GLP 1 ELISA Kit, Rat Gluc Insulin Antibody IGF-1R Signaling Phospho- Insulin Receptor Phospho- Insulin Glucose Phospho-S Thermal Shaker with cooli Rabbit Anti-Insulin Recep Rabbit Anti-Insulin Recep

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#28119347   2017/01/25 Save this To Up

Advancing Symptom Science Through Symptom Cluster Research: Expert Panel Proceedings and Recommendations.

An overview of proceedings, findings, and recommendations from the workshop on "Advancing Symptom Science Through Symptom Cluster Research" sponsored by the National Institute of Nursing Research (NINR) and the Office of Rare Diseases Research, National Center for Advancing Translational Sciences, is presented. This workshop engaged an expert panel in an evidenced-based discussion regarding the state of the science of symptom clusters in chronic conditions including cancer and other rare diseases. An interdisciplinary working group from the extramural research community representing nursing, medicine, oncology, psychology, and bioinformatics was convened at the National Institutes of Health. Based on expertise, members were divided into teams to address key areas: defining characteristics of symptom clusters, priority symptom clusters and underlying mechanisms, measurement issues, targeted interventions, and new analytic strategies. For each area, the evidence was synthesized, limitations and gaps identified, and recommendations for future research delineated. The majority of findings in each area were from studies of oncology patients. However, increasing evidence suggests that symptom clusters occur in patients with other chronic conditions (eg, pulmonary, cardiac, and end-stage renal disease). Nonetheless, symptom cluster research is extremely limited and scientists are just beginning to understand how to investigate symptom clusters by developing frameworks and new methods and approaches. With a focus on personalized care, an understanding of individual susceptibility to symptoms and whether a "driving" symptom exists that triggers other symptoms in the cluster is needed. Also, research aimed at identifying the mechanisms that underlie symptom clusters is essential to developing targeted interventions.

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Androgen Receptor (Phosph Androgen Receptor (Phosph Goat Anti-Rat Clusterin A Rabbit Anti-Human Androge Rabbit Anti-Human Androge HBV-5 panel test, sAg sAb HBV-3 panel test, HBsAg H Androgen Receptor (Ab 650 Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C

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#27940836   2016/12/12 Save this To Up

What life scientists should know about security threats.


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QuantiChrom™ BCP Albumi EnzyChrom™ NAD NADH Ass EnzyChrom™ Aspartate Tr EnzyChrom™ D-Lactate As EnzyChrom™ Fructose Ass

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#27811342   2016/11/04 Save this To Up

Model-based glycaemic control: methodology and initial results from neonatal intensive care.

Very/extremely premature infants often experience glycaemic dysregulation, resulting in abnormally elevated (hyperglycaemia) or low (hypoglycaemia) blood glucose (BG) concentrations, due to prematurity, stress, and illness. STAR-GRYPHON is a computerised protocol that utilises a model-based insulin sensitivity parameter to directly tailor therapy for individual patients and their changing conditions, unlike other common insulin protocols in this cohort. From January 2013 to January 2015, 13 patients totalling 16 hyperglycaemic control episodes received insulin under STAR-GRYPHON. A significant improvement in control was achieved in comparison to a retrospective cohort, with a 26% absolute improvement in BG within the targeted range and no hypoglycaemia. This improvement was obtained predominantly due to the reduction of hyperglycaemia (%BG>10.0 mmol/l: 5.6 vs. 17.7%, p<0.001), and lowering of the median per-patient BG [6.9 (6.1-7.9) vs. 7.8 (6.6-9.1) mmol/l, p<0.001, Mann-Witney U test]. While cohort-wide control results show good control overall, there is high intra-patient variability in BG behaviour, resulting in overly conservative treatments for some patients. Patient insulin sensitivity differs between and within patients over time, with some patients having stable insulin sensitivity, while others change rapidly. These results demonstrate the trade-off between safety and performance in a highly variable and fragile cohort.

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#27466813   2016/07/29 Save this To Up

Competitive Fitness of Influenza B Viruses Possessing E119A and H274Y Neuraminidase Inhibitor Resistance-Associated Substitutions in Ferrets.

Neuraminidase (NA) inhibitors (NAIs) are the only antiviral drugs recommended for influenza treatment and prophylaxis. Although NAI-resistant influenza B viruses that could pose a threat to public health have been reported in the field, their fitness is poorly understood. We evaluated in ferrets the pathogenicity and relative fitness of reverse genetics (rg)-generated influenza B/Yamanashi/166/1998-like viruses containing E119A or H274Y NA substitutions (N2 numbering). Ferrets inoculated with NAI-susceptible rg-wild-type (rg-WT) or NAI-resistant (rg-E119A or rg-H274Y) viruses developed mild infections. Growth of rg-E119A virus in the nasal cavities was delayed, but the high titers at 3 days post-inoculation (dpi) were comparable to those of the rg-WT and rg-H274Y viruses (3.6-4.1 log10TCID50/mL). No virus persisted beyond 5 dpi and replication did not extend to the trachea or lungs. Positive virus antigen-staining of the nasal turbinate epithelium was intermittent with the rg-WT and rg-H274Y viruses; whereas antigen-staining for the rg-E119A virus was more diffuse. Virus populations in ferrets coinoculated with NAI-susceptible and -resistant viruses (1:1 mixture) remained heterogeneous at 5 dpi but were predominantly rg-WT (>70%). Although the E119A substitution was associated with delayed replication in ferrets, the H274Y substitution did not measurably affect viral growth properties. These data suggest that rg-H274Y has undiminished fitness in single virus inoculations, but neither rg-E119A nor rg-H274Y gained a fitness advantage over rg-WT in direct competition experiments without antiviral drug pressure. Taken together, our data suggest the following order of relative fitness in a ferret animal model: rg-WT > rg-H274Y > rg-E119A.

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Caspase Inhibitor Boc-D-F Caspase Inhibitor Boc-D-F Caspase Inhibitor Boc D F Caspase Inhibitor Boc D F Rabbit Anti-Influenza A N GST Inhibitor 1 (Cibacron GST Inhibitor 1 (Cibacron Batimastat (MMP Inhibitor DPP IV Inhibitor, K 579; DPP IV Inhibitor, K 579; Native Influenza HA (A Br Native Influenza HA (A Br

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#26421234   2015/09/30 Save this To Up

Advancing One Health Policy and Implementation Through the Concept of One Medicine One Science.

Numerous interspecies disease transmission events, Ebola virus being a recent and cogent example, highlight the complex interactions between human, animal, and environmental health and the importance of addressing medicine and health in a comprehensive scientific manner. The diversity of information gained from the natural, social, behavioral, and systems sciences is critical to developing and sustainably promoting integrated health approaches that can be implemented at the local, national, and international levels to meet grand challenges. The Concept of One Medicine One Science (COMOS) as outlined herein describes the interplay between scientific knowledge that underpins health and medicine and efforts toward stabilizing local systems using 2 linked case studies: the food system and emerging infectious disease. Forums such as the International Conference of One Medicine One Science (iCOMOS), where science and policy can be debated together, missing pieces identified, and science-based collaborations formed among industry, governmental, and nongovernmental policy makers and funders, is an essential step in addressing global health. The expertise of multiple disciplines and research foci to support policy development is critical to the implementation of one health and the successful achievement of global health security goals.

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