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

21:01 EDT 16th April 2014 | 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 9,100+

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Update on banned substances 2013.

Doping has been pervasive throughout the history of athletic competitions and has only recently been regulated by organizations such as the World Anti-Doping Agency (WADA), US Anti-Doping Agency (USADA), and the National Collegiate Athletic Association (NCAA). These regulatory bodies were created to preserve fair play and maintain the safety of the participants. Their updated 2013 lists of banned substances and practices include a variety of drugs and practices that could cause harm to an athlete or give on...

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Drug-drug interaction and doping, part 1: An in vitro study on the effect of non-prohibited drugs on the phase I metabolic profile of toremifene.

The present study was designed to provide preliminary information on the potential impact of metabolic drug-drug interaction on the effectiveness of doping control strategies currently followed by the anti-doping laboratories to detect the intake of banned agents. In vitro assays based on the use of human liver microsomes and recombinant CYP isoforms were designed and performed to characterize the phase I metabolic profile of the prohibited agent toremifene, selected as a prototype drug of the class of sele...

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...

Introduction of solid-phase microextraction as a high-throughput sample preparation tool in laboratory analysis of prohibited substances.

A fully automated, high-throughput method based on thin-film solid-phase microextraction (SPME) and liquid chromatography-mass spectrometry was developed for simultaneous quantitative analysis of 110 doping compounds, selected from ten classes and varying in physical and chemical properties. Among four tested extraction phases, C18 blades were chosen, as they provided optimum recoveries and the lowest carryover effect. The SPME method was optimized in terms of extraction pH, ionic strength of the sample, wa...

Affinity-based biosensors in sport medicine and doping control analysis.

Affinity-based biosensors (ABBs) have started to be considered in sport medicine and doping control analysis because they are cheap, easy to use and sufficiently selective analytical devices, characterized by a reversible interaction with the analyte under investigation allowing the use of the same sensor for multiple analyses. In this review we describe the main categories of substances reported in the World Anti-Doping Agency Prohibited List and how ABBs may contribute to their detection. Although several...

Radical-assisted chemical doping for chemically derived graphene.

Carrier doping of graphene is one of the most challenging issues that needs to be solved to enable its use in various applications. We developed a carrier doping method using radical-assisted conjugated organic molecules in the liquid phase and demonstrated all-wet fabrication process of doped graphene films without any vacuum process. Charge transfer interaction between graphene and dopant molecules was directly investigated by spectroscopic studies. The resistivity of the doped graphene films was drastica...

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...

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...

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.

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...

Anti-cyclic citrullinated peptide antibody is a good indicator for the diagnosis of rheumatoid arthritis.

Objectives: Anti-cyclic citrullinated peptide (CCP) antibody has recently been used in the classification of rheumatoid arthritis (RA). This antibody is more specific than rheumatoid factor (RF) for the diagnosis of RA. The study objectives were to determine the sensitivity, specificity, positive and negative predictive values of anti-CCP in RA diagnosis. Methodology: Eighty RA patients and 80 non-RA individuals were included in the study. Blood was collected from both arms of study subjects and tested for...

Theoretical study of the geometries and decomposition energies of CO2 on Al12X: Doping effect of Al12X.

The adsorption and decomposition of CO2 molecule on X-centered icosahedronal Al12X clusters (doping atom X=Al, Be, Zn, Fe, Ni, Cu, B, C, Si, P) were investigated by the DFT methods of PW91 and PWC. Adsorption energies, chemisorption energies and energy barriers of physic- and chemisorptions for CO2 were determined. It was found that the doping atoms and spin states have important influences on the Al12X geometries, electronic properties and energies of the adsorption processes. CO2 chemisorption on the Al12...

Norisoboldine attenuates inflammatory pain via the adenosine A1 receptor.

Norisoboldine (NOR) is a benzylisoquinoline alkaloid isolated from Radix Linderae, a traditional Chinese medicine. Our previous studies have demonstrated that it produces anti-inflammatory and anti-rheumatoid arthritis effects.

Comparison of two blanket surveys of arsenic in tubewells conducted 12years apart in a 25km(2) area of Bangladesh.

The arsenic (As) content of groundwater pumped from all tubewells within 61 contiguous villages of Araihazar, Bangladesh, was determined a first time in 2000-01 with laboratory measurements and a second time in 2012-13 using the ITS Arsenic Econo-Quick kit. The two surveys indicate that the total number of tubewells within the area almost doubled from 5560 to 10,879 over 12years. The evolution of the distribution of well ages between the two surveys is consistent with a simple model that combines an annual...

Meta-analysis: Effects of glycerol administration on plasma volume, haemoglobin, and haematocrit.

The use of glycerol in combination with excess fluid can be used to increase total body water. Because glycerol hyperhydration may also be misused to mask the effects of blood doping on doping-relevant parameters, namely haemoglobin and haematocrit, glycerol has been prohibited by the World Anti-Doping Agency since 2010. In order to test this rationale, the purpose of this meta-analysis was to quantify the effects of glycerol hyperhydration on plasma volume, haemoglobin, and haematocrit in comparison to adm...

Sports Nutrition and Doping Factors in Synchronized Swimming: Parallel Analysis among Athletes and Coaches.

Although nutrition and doping are important factors in sports, neither is often investigated in synchronized swimming (Synchro).This study aimed to define and compare Synchro athletes and their coaches on their knowledge of sports nutrition (KSN)and knowledge of doping (KD); and to study factors related to KSN and KD in each of these groups. Additionally, the KSNand KD questionnaires were evaluated for their reliability and validity. Altogether, 82 athletes (17.2 ± 1.92 years of age) and 28 coaches (30.8 ...

Emerging paradigms in anti-infective drug design.

ABSTRACT The need for new drugs to treat microbial infections is pressing. The great progress made in the middle part of the twentieth Century was followed by a period of relative inactivity as the medical needs relating to infectious disease in the wealthier nations receded. Growing realisation that anti-infectives are needed in many parts of the world, to treat neglected diseases as well as to combat the burgeoning risk of resistance to existing drugs, has galvanised a new wave of research into anti-micro...

The role of antibiotics in the prevention of post-intravitreal anti-VEGF endophthalmitis: primum non nocere!

A population study of urine glycerol concentrations in elite athletes competing in North America.

Glycerol is an endogenous substance that is on the World Anti-Doping Agency's list of prohibited threshold substances due to its potential use as a plasma volume expansion agent. The WADA has set the threshold for urine glycerol, including measurement uncertainty, at 1.3 mg/mL. Glycerol in circulation largely comes from metabolism of triglycerides in order to meet energy requirements and when the renal threshold is eclipsed, glycerol is excreted into urine. In part due to ethnic differences in postprandial...

Assessment of dried blood samples as an alternative less invasive method for detection of Hepatitis E virus marker in an outbreak setting.

Hepatitis E virus (HEV) is the causative agent of hepatitis E. It can be asymptomatic, associated with acute self-limiting hepatitis or acute liver failure. The conventional diagnosis of HEV infection relies on anti-HEV IgM serology. The collection of blood samples by venepunture for laboratory confirmation is often difficult during an outbreak. Thus, testing the specimens of dried blood spots (DBS) on filter papers can prove to be a feasible alternative. The present study aimed to evaluate the applicabilit...

Vaccine Effectiveness against Medically Attended Laboratory-Confirmed Influenza in Japan, 2011-2012 Season.

The objective of this study was to estimate influenza vaccine effectiveness (VE) against medically attended, laboratory-confirmed influenza during the 2011-2012 season in Japan using a test-negative case-control study design. The effect of co-circulating non-influenza respiratory viruses (NIRVs) on VE estimates was also explored. Nasopharyngeal swab samples were collected from outpatients with influenza-like illnesses (ILIs) in a community hospital in Nagasaki, Japan. Thirteen respiratory viruses (RVs), inc...

Molecular Epidemiologic Trends of Diarrhea-Causing Virus Infection From Clinical Specimens in Cheonan, Korea, in 2010-2012.

The enteric viruses have high health significance in humans, ranging from poliomyelitis, hepatitis, and gastroenteritis to innocuous infections, and the human enteric viral infection is the one of the most common diseases during early childhood. This study was conducted from July 2010 to October 2012.

Intravitreal foreign body following intravitreal anti-VEGF injection: a case report.

Trends of weekly musculoskeletal pain from 2000 to 2012: National study of Finnish university students.

There are no nationwide trend surveys of the prevalence of musculoskeletal symptoms among university students. The aim of the study was to examine whether the prevalence of perceived musculoskeletal pain symptoms among Finnish university students has changed from 2000 to 2012, and to explore the co-occurrence of these symptoms.

Realization of radial p-n junction silicon nanowire solar cell based on low-temperature and shallow phosphorus doping.

A radial p-n junction solar cell based on vertically free-standing silicon nanowire (SiNW) array is realized using a novel low-temperature and shallow phosphorus doping technique. The SiNW arrays with excellent light trapping property were fabricated by metal-assisted chemical etching technique. The shallow phosphorus doping process was carried out in a hot wire chemical vapor disposition chamber with a low substrate temperature of 250[degree sign]C and H2-diluted PH3 as the doping gas. Auger electron spect...


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