1. Material preparation, wearing materials
Prepare: medical oral swab, paper evidence encapsulation bag. Wear: disposable sterile gloves, sterile non-woven masks. Fill in the evidence bag information, mark the sample sampling date, take two to three clean toilet paper on the desktop.
2. Sampling method
Sampling: Give the appraisee a glass of water (for gargling) and ask him/her to simply rinse his/her mouth to clean the food residue left in the mouth (if the appraisee is an infant, ask his/her guardian to feed a small amount of boiled water first) and then ask the appraisee to open his/her mouth naturally and use a medical disposable sampling swab to gently press and rotate the oral swab 3-5 times on the tongue or buccal mucosa of the mouth. Using the same method, go to 2-3 swabs of the sample and place it on a clean paper towel to dry naturally in the shade. (expect about 2 hours)
3. Bagging
After verifying with the appraisee that there is no error, put the swab just taken into the paper evidence package bag filled with information corresponding to the appraisee.
Caution
1. Avoid touching the swab head with your hands and rinse your mouth with water before collection.
2. samples collected by the above method can be stored in a dry environment for 2-3 months.
3. oral swabs should be shade dried and put into paper envelopes to avoid oral swabs from becoming moldy and affecting detection
4. oral swabs from different people need to be stored separately and marked with good identification.
5. It is best not to eat before collection, smoking and chewing gum betel nut, etc.
Oral swab strength manufacturers
The company's DNA extraction flocked swabs are made of nylon fiber flocking technology, the front end is coated with short nylon fibers fixed in a vertical manner, making the entire collection swab collection area without internal absorption holes, DNA cells will not be dispersed and retained in the fibers, which is conducive to faster and more efficient elution. The product is equipped with the company's unique national patent preservation sleeve, the swab suspended in the body of the tube to prevent contamination of the test material due to packaging adhesion. The bottom of the tube is equipped with a special filter membrane to ensure air permeability inside and outside the tube to prevent mildew of the sample, while filtering out small particles of impurities in the external air that may affect the quality of the sample, which facilitates long-term storage of samples.
