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Showing "London 2012 Unveils Anti Doping Laboratory" PubMed Articles 1–25 of 14,000+

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An Afterword HUMANING … (Anti-)DOPING Looking at "doping" sideways (1.)

This trek and quest explores a range of man-made anomalies and challenges which are rarely considered by their stakeholders in the complex, dynamic, nonlinear, multi-dimensionalities of both "doping" and antidoping, closure-driven certitudes.

Store doping samples for 10 years to stop sports cheats, say anti-doping bodies.

Time for change: a roadmap to guide the implementation of the World Anti-Doping Code 2015.

A medical and scientific multidisciplinary consensus meeting was held from 29 to 30 November 2013 on Anti-Doping in Sport at the Home of FIFA in Zurich, Switzerland, to create a roadmap for the implementation of the 2015 World Anti-Doping Code. The consensus statement and accompanying papers set out the priorities for the antidoping community in research, science and medicine. The participants achieved consensus on a strategy for the implementation of the 2015 World Anti-Doping Code. Key components of this ...

hGH isoform differential immunoassays applied to blood samples from athletes: Decision limits for anti-doping testing.

To detect hGH doping in sport, the World Anti-Doping Agency (WADA)-accredited laboratories use the ratio of the concentrations of recombinant hGH ('rec') versus other 'natural' pituitary-derived isoforms of hGH ('pit'), measured with two different kits developed specifically to detect the administration of exogenous hGH. The current joint compliance decision limits (DLs) for ratios derived from these kits, designed so that they would both be exceeded in fewer than 1 in 10,000 samples from non-doping athlete...

Challenges and threats to implementing the fight against doping in sport.

Prominent doping cases in certain sports have recently raised public awareness of doping and reinforced the perception that doping is widespread. Efforts to deal with doping in sport have intensified in recent years, yet the general public believes that the 'cheaters' are ahead of the testers. Therefore, there is an urgent need to change the antidoping strategy. For example, the increase in the number of individual drug tests conducted between 2005 and 2012 was approximately 90 000 and equivalent to an incr...

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Electronic and electrochemical doping of graphene by surface adsorbates.

Many potential applications of graphene require its precise and controllable doping with charge carriers. Being a two-dimensional material graphene is extremely sensitive to surface adsorbates, so its electronic properties can be effectively modified by deposition of different atoms and molecules. In this paper, we review two mechanisms of graphene doping by surface adsorbates, namely electronic and electrochemical doping. Although, electronic doping has been extensively studied and discussed in the literat...

Evaluating sexual health planning for the London 2012 Olympics.

The public health impact of mass gatherings should not be underestimated, requiring careful planning. This evaluation identified the successes and failures of a programme targeted to mitigate against potential increases in sexual ill health during the London 2012 Olympics.

GENES IN SPORT AND DOPING.

Genes control biological processes such as muscle production of energy, mitochondria biogenesis, bone formation, erythropoiesis, angiogenesis, vasodilation, neurogenesis, etc. DNA profiling for athletes reveals genetic variations that may be associated with endurance ability, muscle performance and power exercise, tendon susceptibility to injuries and psychological aptitude. Already, over 200 genes relating to physical performance have been identified by several research groups. Athletes' genotyping is deve...

Health Education England unveils its 2014-29 framework.

PATIENTS OF the future will require more care delivered closer to home by a more integrated and flexible workforce, according to Health Education England (HEE).

The Athlete Biological Passport: an integral element of innovative strategies in antidoping.

Concern for the health of athletes and integrity of sport resulted in the banning of specific substances although many years passed before analytical testing took place. Soon doping control programmes became synonymous with urine tests and adverse analytical findings. This system has its limits due to the detection window of prohibited substances, the timing of sample collections and the sophistication of some doping regimens. There have been a number of situations where these limits were demonstrated by at...

Doping Dependence of the Raman Spectrum of Defected Graphene.

We investigate the evolution of the Raman spectrum of defected graphene as a function of doping. Polymer electrolyte gating allows us to move the Fermi level up to 0.7eV, as directly monitored by in-situ Hall-effect measurements. For a given number of defects, we find that the intensities of the D and D' peaks decrease with increasing doping. We assign this to an increased total scattering rate of the photoexcited electrons and holes, due to the doping-dependent strength of electron-electron scattering. We ...

Doping effects on ablation enhancement in femtosecond laser irradiation of silicon.

We have conducted an experimental investigation on highly efficient femtosecond laser micromachining of silicon through N-type doping. We found that the material removal amount has a close relationship with the doping concentration rather than with the doping types. The amount of material removal was enhanced gradually as doping densities increased. When the doping density reached higher than 1018  cm-3, the ablation threshold was considerably reduced, up to 15%-20%. The results of the experiment indica...

Epilepsy and Autoimmunity in Pediatric Patients.

Our aim was to determine the presence and possible role of autoantibodies in epileptic patients with an undetermined etiology. Eighty epilepsy patients, who were referred to the Pediatric Neurology Department at Ankara University between November 2011 and April 2012, were enrolled in the study. Antinuclear antibodies (ANA), anticardiolipin IgG, antiphospholipid, antithyroid peroxidase, paraneoplastic, glutamic acid decarboxylase (GAD), and N-methyl-d-aspartate (NMDA) receptor antibodies were studied in our ...

Drawing the map to implement the 2015 World Anti-Doping Code.

Pertussis seroprevalence in korean adolescents and adults using anti-pertussis toxin immunoglobulin g.

This study was conducted to evaluate age-specific seroprevalence of pertussis in Korea and to formulate a strategy to prevent and reduce the incidence of pertussis. Residual serum samples of healthy adolescents and adults 11 yr of age or older were collected between July 2012 and December 2012, and anti-pertussis toxin (PT) IgG titers were measured using a commercial ELISA kit. We compared the mean anti-PT IgG titers and seroprevalence of pertussis of the six age groups: 11-20, 21-30, 31-40, 41-50, 51-60, a...

Cluster of influenza A cases in vaccinated population of adults in Virology Laboratory in Glasgow in December 2012.

The majority of influenza infections during the 2012/2013 influenza season in Scotland have been due to influenza A H3N2. We report an outbreak of influenza A H3N2 in a vaccinated population of adults in the Regional Virology Laboratory in Glasgow. This investigation was carried out to confirm the epidemiological link between cases.

Radiology reporting of adrenal incidentalomas - who requires further testing?

Adrenal incidentalomas (AIs) are common and guidelines recommend testing to exclude functioning lesions and malignancy. Their increasing prevalence results in several investigations that are usually conducted in the endocrinology clinic. In 2011, we audited the prevalence and management of AIs identified on computed tomography (CT) imaging of abdomen over 1 calendar month. Consequently, a decision pathway for adrenal lesions was introduced in the radiology department of the Royal Free London Hospital. One y...

Structural Improvement of CaFe2O4 by Metal Doping toward Enhanced Cathodic Photocurrent.

Various metal-doped p-type CaFe2O4 photocathodes were prepared in an attempt to improve the low quantum efficiency for photoreaction. CuO and Au doping enhanced the photocurrent by expansion of the absorption wavelength region and plasmon resonance, respectively. X-ray diffraction (XRD) and X-ray absorption fine structure (XAFS) analysis showed that doping with these metals further disturbed the originally distorted crystal structure of CaFe2O4. In contrast, doping with Ag relaxed the distorted crystal stru...

Doping Induced Structural Stability and Electronic Properties of GaN Nanotubes.

The present paper discusses the effect of manganese doping on the structural stability and electronic band gap of chiral (2, 1), armchair (3, 3), and zigzag ((6, 0) and (10, 0)) single walled GaN nanotube by using density functional theory based Atomistix Toolkit (ATK) Virtual NanoLab (VNL). The structural stability has been analyzed in terms of minimum ground state total energy, binding, and formation energy. As an effect of Mn doping (1-4 atoms), all the GaN nanotubes taken into consideration show semicon...

Tunable band gap and doping type in silicene by surface adsorption: towards tunneling transistors.

By using first-principles calculations, we predict that a sizable band gap can be opened at the Dirac point of silicene without degrading silicene's electronic properties with n-type doping by Cu, Ag, and Au adsorption, p-type doping by Ir adsorption, and neutral doping by Pt adsorption. A silicene p-i-n tunneling field effect transistor (TFET) model is designed by the adsorption of different transition metal atoms on different regions of silicene. Quantum transport simulations demonstrate that silicene TFE...

The anomaly Cu doping effects on LiFeAs superconductors.

The Cu substitution effect on the superconductivity of LiFeAs has been studied in comparison with Co/Ni substitution. It is found that the shrinking rate of the lattice parameter c for Cu substitution is much smaller than that of Co/Ni substitution. This is in conjugation with the observation of ARPES that shows almost the same electron and hole Fermi surfaces (FSs) size for undoped and Cu substituted LiFeAs sample, except for a very small hole band sinking below Fermi level with doping. This indicates that...

Doping of C70 fullerene peapods with lithium vapor: Raman spectroscopic and Raman spectroelectrochemical studies.

Raman spectroscopy and in situ Raman spectroelectrochemistry were applied to study the lithium vapor doping of C70@SWCNTs (peapods). A strong degree of doping was proved by the vanishing of the single walled carbon nanotubes (SWCNT's) radial breathing mode (RBM) and by the attenuation of the tangential (TG) band intensity. In contrast to potassium vapor doping, the strong downshift of the frequency of the TG band has not been observed for Li-doping. The Li vapor treated peapods remained partly doped even if...

Trauma and Organizations . Edited by Earl Hopper , Ph.D. London : Karnac Books , 2012 , 336 pp., paperback, £24.74/$44.05 .

Resolution properties of transmission-mode exponential-doping Ga0.37Al0.63As photocathodes.

Using the modulation transfer function obtained by establishing and solving the two-dimensional continuity equation, we have calculated and comparatively analyzed the resolution characteristics of transmission-mode exponential-doping and uniform-doping Ga0.37Al0.63As photocathodes. The calculations show that compared with a uniform-doping Ga0.37Al0.63As photocathode, the exponential-doping structure can significantly improve not only the resolution, but also the quantum efficiency of the photocathode. This ...

Controllable Synthesis of Doped Graphene and Its Applications.

Graphene is a wonder material with the ultimate smallest thickness that is readily accessible to various approaches for engineering its excellent properties. Graphene doping is an efficient way to tailor its electric properties and expand its applications. This topic covers wide research fields and has been developing rapidly. This article presents a broad and comprehensive overview of the developments in the preparation and applications of doped graphene including doping methods, doping levels, doping effe...


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