Oral swab advantages.
1. designed for the crime scene DNA small amount of sample and design program, especially in response to sweat, semen night, blood, white flakes, oral body cells and other small amount of sample with excellent collection characteristics.
2. can quickly absorb a small number of samples and release them with high efficiency.
3. front end development is more pointed, suitable for crime scene victims or suspects finger nail finger cells in the acquisition.
4. The back end of the swab is developed with a breakable design solution, which is useful for the automated technology acquisition service center to carry out sample plate acquisition.
5. All swabs are packaged in fully transparent plastic tubes to prevent biological invasion.
Oral swab collection, specific steps.
1. Prepare a medical swab (single-ended), reach into the mouth, repeatedly wipe from the inside of the mouth at the mucosa of both cheeks (inside the cheek) for more than 20 times, remove the swab and shade dry on clean white paper.
2. 5 swabs were collected in the same way. Keep in a clean paper envelope after shade drying
3. Please do not forget to mark the sample well. Do not touch each other with other substances. The samples collected by the above method can be stored in a dry environment for 2-3 months.
The accuracy of the identification results is the same regardless of the type of sample collected. Since the sample is collected only to extract DNA from it, and the DNA of each person is constant for life, the accuracy of the identification result is the same even if different samples are collected.