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How to collecting DNA Samples without a Laboratory Kit?
Created On
Friday, April 3, 2009
Last Modified On
Monday, April 6, 2009
Last Modified By

How to collecting DNA Samples without a Laboratory Kit?

Most, if not all, DNA testing laboratories offer free DNA sample collection kits direct to clients, for use in private, “peace of mind” tests. However, sometimes clients ask whether or not a sample can be collected using materials found at home, without a kit from a laboratory. This may happen because of time concerns or if the client must collect the samples very discreetly. While it is highly suggested that a laboratory kit be used to collect DNA samples, as this would contain sterile materials made specifically for testing purposes, in many cases, samples collected using home materials can be used.

Cotton-tipped swabs, i.e. q-tips, as are used for ear cleaning, would be the best tool for collecting buccal samples. For each person that a sample is to be collected from, it is recommended that 2-3 swabs be used. Before handling swabs and collecting samples, hands should be thoroughly cleaned and preferably gloved, as well. Also, a relatively clean mouth is important and a thorough rinse with water (mouthwash is not necessary) for about 30 seconds is generally sufficient. Samples must be collected one person at a time. Since most of these types of home swabs are double-tipped, one should cut off one end of each swab. Then, holding the un-tipped swab end, the tipped swab end should be placed into the mouth, either touching the inner cheek or gum line. Using a rolling motion, swab the oral surface for about 10 seconds. Repeat the swabbing procedure with the second and third swabs, if possible. All swab samples collected from a single person can be placed together in a clean paper envelope and sealed. There is no need to allow the swabs to dry outside of the envelope. Each envelope should be labeled with the person’s role in the test, i.e. alleged father, child, etc., and the date of sample collection, at a minimum. Other information such as name, race and date of birth can be provided, if the client chooses to disclose the information. Sealed, labeled swab samples should be submitted to a testing laboratory within 1-2 weeks after collection and can be stored in a cool, dry environment or room temperature until submission.

While the laboratory can not guarantee that swab samples collected using home materials will be sufficient for testing and reporting a conclusive result, it is highly likely that they will be if the client follows these explicit instructions.

The DNA Identity Testing Center of Bio-Synthesis, Inc. is an active member of the AABB Relationship Testing Accreditation Program and actively participates in proficiency testing by the College of American Pathologists. With nearly 15 years experience in the DNA testing field, law enforcement, legal representatives and individuals alike trust BSI with their private and legal DNA testing issues, worldwide. Visit www.800dnaexam.com for a full description of all testing services.
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