How to Avoid Leaving DNA at a Scene

In the past decade, the use of technology involving DNA sampling and analysis has increased dramatically. Many jobs-- from law enforcement to biotechnology-- require workers to avoid contaminating an area with their own DNA. These simple and effective steps will help you navigate your sensitive work environment without leaving a trail of DNA behind.

Steps

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    Wash your hair and body beforehand, if possible. This helps eliminate loose hair and skin cells.
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    Tie back long hair securely.
      • A bandanna or hair net can also help contain potential stray hairs
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    Wear clean clothes, if possible. In some situations, you can wear a clean lab coat, or other protective clothing.
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    Wear other protective items, such as disposable gloves and a face mask to prevent sneezes. Remember, you are protecting the samples from you, not you from the samples.
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    Clean tools with alcohol to remove any previous sample.
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    Cover work surfaces with sterile paper mats, if possible.
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    Avoid touching items unnecessarily. If you need to pick up an object, use clean forceps or a bag.

Tips

  • Some colleges offer biology safety training seminars and certification.

Warnings

  • These instructions are intended for jobs which require gathering DNA samples, and is not intended to cover up criminal activity.

Article Info

Categories: Work World