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PubMed Journals Articles About "London 2012 Unveils Anti Doping Laboratory" RSS

08:35 EDT 2nd May 2016 | BioPortfolio

London 2012 Unveils Anti Doping Laboratory PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest London 2012 Unveils Anti Doping Laboratory articles that have been published worldwide.

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Showing "London 2012 Unveils Anti Doping Laboratory" PubMed Articles 1–25 of 13,000+

Questions of fairness and anti-doping in US cycling: The contrasting experiences of professionals and amateurs.

The focus of researchers, media and policy on doping in cycling is often limited to the professional level of the sport. However, anti-doping test results since 2001 demonstrate that banned substances are also used by US cyclists at lower levels of the sport, necessitating a broader view of the patterns and motivations of substance use within the sport. In this article, we describe and explain the doping culture that has emerged in domestic US cycling among amateur and semi-professionals. Through analysis o...


Analytical strategies for doping control purposes: needs, challenges and perspectives.

The fight against doping in sports has been governed since 1999 by the World Anti-Doping Agency (WADA), an independent institution behind the implementation of the World Anti-Doping Code (Code). The intent of the Code is to protect clean athletes through the harmonization of anti-doping programs at the international level with special attention to detection, deterrence and prevention of doping.1 A new version of the Code came into force on January 1st 2015, introducing, among other improvements, longer peri...

Seizures of doping substances at the Swiss Border - a descriptive investigation.

This retrospective study evaluates the content, the destination and the source of 960 postal items seized by the Swiss customs authorities at the Swiss border between 2013 and 2014. The packages were seized because they contained at least one prohibited doping product as identified by the Swiss law on encouraging sports and physical activity. A total number of 1825 different doping products were confiscated from these parcels, accounting for an average of 1.9 doping products per seized item. In 74% of the c...


Medical and pharmacological approach to adjust the salbutamol anti-doping policy in athletes.

Salbutamol abuse detection by athletes is based on a urinary upper threshold defined by the World Anti-Doping Agency (WADA). However, this threshold was determined in healthy, untrained individuals and after a dose of salbutamol inhaled that might not really mirror the condition of asthmatic athletes and the experts's guidelines for asthma management. We aimed to revise this threshold in accordance with recommended clinical practice (that appear to be different from the actual WADA recommendation) and in ex...

Cobalt chloride doping in racehorses: Concerns over a potentially lethal practice.

Doping silicon nanocrystals and quantum dots.

The ability to incorporate a dopant element into silicon nanocrystals (NC) and quantum dots (QD) is one of the key technical challenges for the use of these materials in a number of optoelectronic applications. Unlike doping of traditional bulk semiconductor materials, the location of the doping element can be either within the crystal lattice (c-doping), on the surface (s-doping) or within the surrounding matrix (m-doping). A review of the various synthetic strategies for doping silicon NCs and QDs is pres...

A call for policy guidance on psychometric testing in doping control in sport.

One of the fundamental challenges in anti-doping is identifying athletes who use, or are at risk of using, prohibited performance enhancing substances. The growing trend to employ a forensic approach to doping control aims to integrate information from social sciences (e.g., psychology of doping) into organised intelligence to protect clean sport. Beyond the foreseeable consequences of a positive identification as a doping user, this task is further complicated by the discrepancy between what constitutes a ...

Programmed Death Ligand 1 Immunohistochemistry: Friend or Foe?

The approval of anti-PD-1 therapies for non-small cell lung cancer has directed the spotlight on PD-L1 immunohistochemistry as the latest predictive biomarker potentially required in this disease. Several other drugs in this class will likely be approved in the future and each has been developed with a unique anti-PD-L1 immunohistochemistry test. The prospect of 5 drugs competing in the same treatment area, each possibly requiring PD-L1 immunohistochemistry testing, presents a challenge for pathologists unl...

Surface Charge Transfer Doping of Monolayer Phosphorene via Molecular Adsorption.

Monolayer phosphorene has attracted much attention owing to its extraordinary electronic, optical, and structural properties. Rationally tuning the electrical transport characteristics of monolayer phosphorene is essential to its applications in electronic and optoelectronic devices. Herein, we study the electronic transport behaviors of monolayer phosphorene with surface charge transfer doping of electrophilic molecules, including 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodime- thane (F4TCNQ), NO2, and Mo...

Performance Assessment of Internal Quality Control (IQC) Products in Blood Transfusion Compatibility Testing in China.

Internal quality control (IQC) is a critical component of laboratory quality management, and IQC products can determine the reliability of testing results. In China, given the fact that most blood transfusion compatibility laboratories do not employ IQC products or do so minimally, there is a lack of uniform and standardized IQC methods. To explore the reliability of IQC products and methods, we studied 697 results from IQC samples in our laboratory from 2012 to 2014. The results showed that the sensitivity...

Spotlight on Athletes With a Disability: Malaysian Newspaper Coverage of the 2012 London Paralympic Games.

This study analyzed newspaper coverage of the 2012 London Paralympic Games by 8 Malaysian newspapers. Articles and photographs from 4 English-language and 4 Malay-language newspapers were examined from August 28 (1 day before the Games) to September 10, 2012 (1 day after the Games closing). Tables, graphs, letters, fact boxes, and lists of events were excluded from analysis. A total of 132 articles and 131 photographs were analyzed. Content analysis of the newspaper articles revealed that most (62.8%) of th...

Laser-Assisted Doping: Site Selective Doping of Ultrathin Metal Dichalcogenides by Laser-Assisted Reaction (Adv. Mater. 2/2016).

Laser-assisted phosphorus doping is demonstrated by J. Wu, C. P. Grigoropoulos, and co-workers on page 341, on ultrathin transition-metal dichalcogenides (TMDCs), including n-type MoS2 and p-type WSe2 . Temporal and spatial control of the doping is achieved by varying the laser irradiation power and time, demonstrating wide tunability and high site selectivity with high stability. The laser-assisted doping method may enable a new avenue for functionalizing TMDCs for customized nanodevice applications.

Cell scientist to watch - Julie Welburn.

Julie Welburn pursued her PhD degree at the Laboratory of Molecular Biophysics, University of Oxford, under the guidance of Jane Endicott and Martin Noble. Following a short postdoc in the laboratory of Eva Nogales at University of California Berkeley, she then moved to the Whitehead Institute for Biological Research at MIT, USA in 2008 to study mitosis in Iain Cheeseman's laboratory. Since 2012, Julie has been running her own group at the Wellcome Trust Centre for Cell Biology in Edinburgh as a Cancer Rese...

Outer retinal tubulation in diabetic macular edema following anti-VEGF treatment.

To address the presence and features of outer retinal tubulation (ORT) found in diabetic macular edema (DME) treated with anti-vascular endothelial growth factor (anti-VEGF) and to differentiate between ORT and cystoid DME, which have different plans of management.

Stability of the Zhang-Rice Singlet with Doping in Lanthanum Strontium Copper Oxide Across the Superconducting Dome and Above.

The spin character of the states at the top of the valence band in doped La_{2-x}Sr_{x}CuO_{4} (x=0.03, 0.07, 0.15, 0.22, and 0.30) has been investigated using spin-polarized resonant photoemission. A clear Zhang-Rice singlet (ZRS) is observed at all doping levels. Its stability and polarization are preserved as a function of doping, suggesting that the concept of the ZRS can be used across a wide doping range and up to the metallic nonsuperconducting overdoped regime. The results are significant for theore...

Are ESPGHAN "Biopsy-Sparing" Guidelines for Celiac Disease also Suitable for Asymptomatic Patients?

In 2012, European Society of Pediatric Gastroenterology, Hepatology, and Nutrition published novel guidelines on celiac disease (CD) diagnosis. Symptomatic children with serum anti-transglutaminase (anti-tTG) antibody levels ≥10 times upper limit of normal (ULN) could avoid duodenal biopsies after positive HLA test and serum anti-endomysial antibodies (EMAs). So far, both asymptomatic and symptomatic patients with anti-tTG titer

Gate-Tunable Dirac Point of Molecular Doped Graphene.

Control of the type and density of charge carriers in graphene is essential for its implementation into various practical applications. Here, we demonstrate the gate-tunable doping effect of adsorbed piperidine on graphene. By gradually increasing the amount of adsorbed piperidine, the graphene doping level can be varied from p- to n-type, with the formation of p-n junctions for intermediate coverages. Moreover, the doping effect of the piperidine can be further tuned by the application of large negative ba...

Insights into N-doping in single-walled carbon nanotubes for enhanced activation of superoxides: a mechanistic study.

Emerging characteristics upon nitrogen-doping were differentiated in the activation of superoxides over single-walled carbon nanotubes. Both experimental and theoretical studies revealed that enhanced peroxymonosulfate (PMS) activation is ascribed to a nonradical process while persulfate (PS) activation is accelerated via directly oxidizing water, yet hydrogen peroxide (H2O2) activation is inert to N-doping. This study details the first insights into versatile N-doping in carbocatalysis for organic oxidatio...

"Everyone was looking at you smiling": East London residents' experiences of the 2012 Olympics and its legacy on the social determinants of health.

Mega-sporting event regeneration, as a specific approach to urban renewal, uses impending host-city status as a catalyst for revitalisation and has the potential to improve health both through addressing deprivation and by promoting increased sport and physical activity among the host-city's population. This qualitative study explored how hosting of the London 2012 Games impacted upon the way East London residents perceived and experienced the social determinants of health in their local neighbourhood. We c...

Nickel in equine sports drug testing - pilot study results on urinary nickel concentrations.

The issue of illicit performance enhancement spans human and animal sport in presumably equal measure, with prohibited substances and methods of doping conveying both ways. Due to the proven capability of unbound ionic cobalt (Co(2) (+) ) to stimulate erythropoiesis in humans, both human and equine anti-doping regulations have listed cobalt as a banned substance, and in particular in horse drug testing, thresholds for cobalt concentrations applying to plasma and urine have been suggested or established. Rec...

Strategies for controlled electronic doping of colloidal quantum dot solids.

Over the last several years tremendous progress has been made in incorporating Colloidal Quantum Dot (CQD) solids as photoactive components in optoelectronic devices. A large part of that progress is associated with significant advancements made in controlling the electronic doping of CQD solids. Today a variety of strategies exists towards that purpose; this minireview aims to survey major published works in this subject. Additional attention is given to the many challenges associated with the task of dopi...

Few Layer MoS2 p-Type Devices Enabled by Selective Doping Using Low Energy Phosphorus Implantation.

P-type doping of MoS2 has proved to be a significant bottleneck in the realization of fundamental devices such as p-n junction diodes and p-type transistors due to its intrinsic n-type behavior. We report a CMOS compatible, controllable and area selective phosphorus plasma immersion ion implantation (PIII) process for p-type doping of MoS2. Physical characterization using SIMS, AFM, XRD and Raman techniques was used to identify process conditions with reduced lattice defects as well as low surface damage an...

From Impurity Doping to Metallic Growth in Diffusion Doping Properties and Structure of Ag Doped InAs Nanocrystals.

Tuning of the electronic properties of pre-synthesized colloidal semiconductor nanocrystals (NCs) by doping plays a key role in the prospect of implementing them in printed electronics devices such as transistors, and photodetectors. While such impurity doping reactions have already been introduced, the understanding of the doping process, the nature of interaction between the impurity and host atoms, and the conditions affecting the solubility limit of impurities in nanocrystals are still unclear. Here, we...

How long should we maintain anti-HER2 therapy for metastatic breast cancer patients with complete remission?

House Officer-Driven Reduction in Laboratory Utilization.

To determine whether sharing laboratory charge and personal utilization information with physicians can reduce laboratory test orders and expenditures, thereby decreasing the overutilization of laboratory testing.


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