VoyForums
[ Show ]
Support VoyForums
[ Shrink ]
VoyForums Announcement: Programming and providing support for this service has been a labor of love since 1997. We are one of the few services online who values our users' privacy, and have never sold your information. We have even fought hard to defend your privacy in legal cases; however, we've done it with almost no financial support -- paying out of pocket to continue providing the service. Due to the issues imposed on us by advertisers, we also stopped hosting most ads on the forums many years ago. We hope you appreciate our efforts.

Show your support by donating any amount. (Note: We are still technically a for-profit company, so your contribution is not tax-deductible.) PayPal Acct: Feedback:

Donate to VoyForums (PayPal):

Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 12345678 ]


[ Next Thread | Previous Thread | Next Message | Previous Message ]

Date Posted: 11:02:04 07/27/06 Thu
Author: House
Subject: Re: i dont think so
In reply to: sundaymorning 's message, "i dont think so" on 10:58:12 07/27/06 Thu

>>Saw this on a tri forum:
>>
>><a rel=nofollow target=_blank href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retr">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retr</a>
>i
>>eve&db=PubMed&list_uids=3390919&dopt=Abstract
>>
>>"Effect of ethanol on the ratio between testosterone
>>and epitestosterone in urine.
>>
>>Falk O, Palonek E, Bjorkhem I.
>>
>>Department of Clinical Chemistry, Huddinge Hospital,
>>Sweden.
>>
>>The testosterone/epitestosterone weight ratio in urine
>>is used to detect cases of doping when an athlete has
>>treated himself with exogenous testosterone. When this
>>ratio exceeds 6, it is considered evidence of
>>testosterone doping. We show here that intake of
>>ethanol can affect this ratio. Ingestion of 110-160 g
>>of ethanol, about 2 g per kilogram body weight,
>>increased the ratio between testosterone and
>>epitestosterone in urine from 1.14 +/- 0.07 to 1.52
>>+/- 0.09 in four healthy male volunteers. The increase
>>ranged from 30% to 90% in the different subjects
>>studied (mean 41%). In cases where doping with
>>testosterone is suspected, the possibility should be
>>considered that at least part of an observed increased
>>testosterone/epitestosterone ratio in urine is
>>ascribable to previous ingestion of ethanol.
>>
>>PMID: 3390919 [PubMed - indexed for MEDLINE]"
>
>that study is from 1988. there's a new method that is
>being used now (assuming the lab is using the more
>recent method)which makes the alcohol false positive
>possibility very improbable. dennis mitchell escaped a
>ban using this excuse in 98 (i think) but i don't
>think it will fly now.


Just throwing out one of a number of things that could cause a false positive. Essentially just providing those that have already sentenced Landis before any B result or response from Floyd something to think about.

[ Next Thread | Previous Thread | Next Message | Previous Message ]


Replies:


Post a message:
This forum requires an account to post.
[ Create Account ]
[ Login ]
[ Contact Forum Admin ]


Forum timezone: GMT-8
VF Version: 3.00b, ConfDB:
Before posting please read our privacy policy.
VoyForums(tm) is a Free Service from Voyager Info-Systems.
Copyright © 1998-2019 Voyager Info-Systems. All Rights Reserved.