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Report: Synthetic Testosterone Found in Fraud Landis Urine Sample



 
 
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  #1  
Old August 1st 06, 05:46 AM posted to rec.bicycles.racing
Joe King
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Default Report: Synthetic Testosterone Found in Fraud Landis Urine Sample

http://www.canada.com/topics/sports/...4fdb3c&k=63448


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  #2  
Old August 1st 06, 02:50 PM posted to rec.bicycles.racing
RonSonic
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Default Report: Synthetic Testosterone Found in Fraud Landis Urine Sample

On Mon, 31 Jul 2006 21:46:03 -0700, "Joe King" wrote:

http://www.canada.com/topics/sports/...4fdb3c&k=63448


Christ on a crutch, this is some Canadian report that the NYT has reported that
l'Equipe reported some damn rumor.

Ron
  #3  
Old August 1st 06, 03:45 PM posted to rec.bicycles.racing
k.papai
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Default Report: Synthetic Testosterone Found in Fraud Landis Urine Sample


RonSonic wrote:
On Mon, 31 Jul 2006 21:46:03 -0700, "Joe King" wrote:

http://www.canada.com/topics/sports/...4fdb3c&k=63448


Christ on a crutch, this is some Canadian report that the NYT has reported that
l'Equipe reported some damn rumor.

Ron


I wonder how exactly they do these exogeneous tests?

How to extract the tiny amounts of testosterone in the urine sample and
then assay the carbon for C12, C13, and C14 levels.

Can this really be at all accurate? If so, how much different is
synthetic testosterone vs. natural test. as far as carbon isotopes?
And if so, how to detect even minute difference then?

-Ken

  #4  
Old August 1st 06, 10:19 PM posted to rec.bicycles.racing
Kyle Legate
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Default Report: Synthetic Testosterone Found in Fraud Landis Urine Sample

k.papai wrote:

I wonder how exactly they do these exogeneous tests?

How to extract the tiny amounts of testosterone in the urine sample and
then assay the carbon for C12, C13, and C14 levels.

Can this really be at all accurate? If so, how much different is
synthetic testosterone vs. natural test. as far as carbon isotopes?
And if so, how to detect even minute difference then?

With very sensitive, accurate and expensive equipment.
  #5  
Old August 2nd 06, 02:47 AM posted to rec.bicycles.racing
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Default Report: Synthetic Testosterone Found in Fraud Landis Urine Sample

On Tue, 01 Aug 2006 23:19:57 +0200, Kyle Legate wrote:

k.papai wrote:

I wonder how exactly they do these exogeneous tests?

How to extract the tiny amounts of testosterone in the urine sample and
then assay the carbon for C12, C13, and C14 levels.

Can this really be at all accurate? If so, how much different is
synthetic testosterone vs. natural test. as far as carbon isotopes?
And if so, how to detect even minute difference then?

With very sensitive, accurate and expensive equipment.


http://en.wikipedia.org/wiki/Mass_spectrometer

 




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