Search Results - "Morkeberg, J."

Detection of microdoses of rhEPO with the MAIIA test by Mørkeberg, J., Sharpe, K., Karstoft, K., Ashenden, M. J.

“…The detection of recombinant human erythropoietin (rhEPO) is difficult and becomes more challenging when only microdoses are administered intravenously…”
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Net haemoglobin increase from reinfusion of refrigerated vs. frozen red blood cells after autologous blood transfusions by Ashenden, M., Mørkeberg, J.

“…Background and Objectives  Two main blood storage procedures can be used for storing red blood cells: refrigeration and freezing. Nevertheless, the efficiency…”
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High-dose inhaled salbutamol has no acute effects on aerobic capacity or oxygen uptake kinetics in healthy trained men by Elers, J, Mørkeberg, J, Jansen, T, Belhage, B, Backer, V

“…The prevalence of asthma is higher among elite athletes than in the general population. This has resulted in the frequent use of anti‐asthmatic medication such…”
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New insights for identification of doping with recombinant human erythropoietin micro-doses after high hydration by Martin, L., Ashenden, M., Bejder, J., Hoffmann, M., Nordsborg, N., Karstoft, K., Morkeberg, J., Sharpe, K., Lasne, F., Marchand, A.

“…To minimize the chances of being caught after doping with recombinant human erythropoietins (rhEPO), athletes have turned to new practices using micro‐doses…”
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Blood profiles in elite cross-country skiers: a 6-year follow-up by Morkeberg, J., Saltin, B., Belhage, B., Damsgaard, R.

“…Following the doping scandals at the World Championships in cross‐country skiing in 2001, the International Ski Federation decided to generate individual blood…”
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Use of nutritional supplements by Danish elite athletes and fitness customers by Solheim, S. A., Nordsborg, N. B., Ritz, C., Berget, J., Kristensen, A. H., Mørkeberg, J.

“…The nutritional supplement (NS) industry is one of the fastest growing in the world, and NS use in Denmark is among the highest in Europe. However, the exact…”
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Acute hyperhydration reduces athlete biological passport OFF-hr score by Bejder, J., Hoffmann, M. F., Ashenden, M., Nordsborg, N. B., Karstoft, K., Mørkeberg, J.

“…Anecdotal evidence suggests that athletes hyperhydrate to mask prohibited substances in urine and potentially counteract suspicious fluctuations in blood…”
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Two weeks of muscle immobilization impairs functional sympatholysis but increases exercise hyperemia and the vasodilatory responsiveness to infused ATP by Mortensen, S P, Mørkeberg, J, Thaning, P, Hellsten, Y, Saltin, B

“…During exercise, contracting muscles can override sympathetic vasoconstrictor activity (functional sympatholysis). ATP and adenosine have been proposed to play…”
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Changes in blood values in elite cyclist by Mørkeberg, J S, Belhage, B, Damsgaard, R

“…In 2006, a couple of professional cycling teams initiated their own testing programs. The objective of this study is to describe fluctuations in commonly…”
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Detecting autologous blood transfusions: a comparison of three passport approaches and four blood markers by Mørkeberg, J., Sharpe, K., Belhage, B., Damsgaard, R., Schmidt, W., Prommer, N., Gore, C. J., Ashenden, M. J.

“…Blood passport has been suggested as an indirect tool to detect various kinds of blood manipulations. Autologous blood transfusions are currently undetectable,…”
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Screening for autologous blood transfusions by Mørkeberg, J, Belhage, B, Ashenden, M, Bornø, A, Sharpe, K, Dziegiel, M H, Damsgaard, R

“…The ratio between the amount of hemoglobin in the mature erythrocyte population and the reticulocytes (RBCHb:RetHb ratio) has previously been suggested as a…”
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Ocular findings in cystic fibrosis patients receiving vitamin A supplementation by MORKEBERG, J. C, EDMUND, C, PRAUSE, J. U, LANNG, S, KOCH, C, MICHAELSEN, K. F

“…Vitamin A deficiency with eye symptoms has been reported in patients with cystic fibrosis who received the recommended daily intake of vitamin A. We measured…”
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Measurement of extracellular water volume by bromide ion chromatography by Wong, W W, Sheng, H P, Morkeberg, J C, Kosanovich, J L, Clarke, L L, Klein, P D

“…Extracellular body water can be determined from plasma bromide dilution. Plasma Br is separated from other anions by ion chromatography and is detected at an…”
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Beta-adrenergic receptor-mediated functions in porcine adipose tissue are not affected differently by saturated vs. unsaturated dietary fats by Mersmann, H J, McNeel, R L, Morkeberg, J C, Shparber, A, Hachey, D L

“…Young postweaning pigs were fed a high fat diet containing beef tallow (saturated fat) or corn oil (unsaturated fat). Adipose tissue was used to measure…”
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Effects of blood withdrawal and reinfusion on biomarkers of erythropoiesis in humans: Implications for anti-doping strategies by Damsgaard, R, Munch, T, Morkeberg, J, Mortensen, SP, Gonzalez-Alonso, J

“…To discriminate autologous blood doping procedures from normal conditions, we examined the hematological response to blood withdrawal and reinfusion. We found…”
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Detection of darbepoetin alfa misuse in urine and blood : A preliminary investigation by MORKEBERG, Jakob, LUNDBY, Carsten, NISSEN-LIE, Gro, NIELSEN, Thomas Kjaerem, HEMMERSBACH, Peter, DAMSGAARD, Rasmus

“…Darbepoetin alfa is a modified erythropoietin (EPO) molecule with a longer serum half-life than recombinant human erythropoietin (rhEPO). Because the detection…”
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Intracranial tumors in children in Denmark (1960-1984) by Agerlin, N, Gjerris, F, Buhl, L, Børgesen, S E, Haase, J, Mortensen, A, Mørkeberg, J C, Ovesen, N, Reske-Nielsen, E, Schmidt, K

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Extracellular water estimated by the bromide dilution method from samples of urine, saliva, and plasma by Morkeberg, J C, Sheng, H P, Wong, W W

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A comparison of chloride, bromide, and sucrose dilution volumes in neonatal pigs by Mørkeberg, J C, Sheng, H P, Huggins, R A

“…Use of 36Cl, 82Br, and [3H]sucrose to estimate extracellular water volume was evaluated in 14 piglets (7-14 days old). 36Cl and 82Br were distributed in…”
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Extracellular volume estimation from ratios of bromide to chloride in urine or saliva by Mørkeberg, J C, Sheng, H P, Huggins, R A

“…Use of either urine or saliva samples to estimate extracellular water volume was investigated in 10 men using nonradioactive bromide (Br) and in seven newborn…”
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