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October 28th, 2010
Drug Testing Info
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Drug Testing Info
Drug testing is one of the methods of technically analyzing a biochemical specimen that includes urine, hair, blood, sweat or saliva.
Basically the presence or absence of a specified parent drugs or their metabolites can be determined by these tests. Its usage is basically for detecting the performance enhancing steroids in sport or for drugs prohibited by laws, such as cannabis, cocaine and heroin and also at the professional level for an employee weather the existing one is using or abusing illicit drugs.
Its detection depends upon multiple factors such as drug class, amount, frequency of use, body mass, age and pH. Common types of drug test includes urine drug screen; in this the urine sample is collected in a designed secure cup sealed with a tape and the first step is carried out that is to split the urine into two aliquots and confirmed by gas chromatography method. The instant testing is commonly used for both urine and saliva testing. About 5% of all the pre-employment urine samples tested in US turn out positive for drugs. There are several drug test kit also available that can help you detect the presence of drugs at the comfort of your home.
Other test include hair testing, this test detects both FAEE and
EtG levels and used by UK courts and hair testing for alcohol markers is now recognized in both the UK and US judicial systems. In contrast to other drugs consumed, alcohol is not deposited directly in hairs, various metabolisms takes space. Salivary drug screen and oral fluid based drug screen takes around 1-2 hours to detect the drug and its metabolite. Detection in saliva test begins immediately after the use of alcohol, cocaine, opiates, and benzodiazepines. Sweat drug screen is another that is carried out; in this the sweat tests are the patches that are attached to skin to collect the sweat for a period of time and are used by child protective services, parole department.
The drug testing methodology is almost same for all the tests that are carried out.
Basically there are three steps for a reliable drug testing:
-strict collection procedure
-Proper testing procedures
-Random notificationAll the testing procedures confirm all the positive results by GC/MS or LS/MS analysis. This is critical to ensure no “false positive” results occur. Currently people are finding out different ways to escape the tests and prove it wrong due to availability of different myths and misconceptions like drinking vinegar will help to pass the test along with high doses of niacin. Still the drug testing is carried out successful at a large level in analyzing a biochemical specimen.
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