Can oral cells be used for DNA paternity testing? What are the precautions?
The answer is yes. Human blood, hair, saliva, oral cells, etc. can be used for
DNA paternity testing, which is very convenient. In addition, special paternity
tests such as semen or semen spots, tissues, blood stains, fetal villi, amniotic
fluid, nails, cigarette butts, chewing gum, toothbrushes, etc. can also be
performed. As one of the routine samples for DNA paternity testing, oral cells
are accepted and recognized by many clients because of their non-invasive,
convenient, and easy-to-collect characteristics, and the extraction of oral
cells is also very convenient when doing personal paternity testing. It is easy
for the person to be tested to take samples at home, and after the oral cells
are extracted, the paternity test samples are sent to the paternity test center
or mailed to the paternity test center.
DNA Test Swabs
1. Oral cells are generally obtained by wiping with cotton swabs, so they are also called "oral swabs";
2. Before extraction, rinse your mouth with water;
3. Use a sterile medical cotton swab to stretch into the mouth, and wipe the cheek mucosa on the inner side of the mouth for about 30 times;
4. Take out the cotton swab and put the cotton swab in a clean place to dry in the shade;
5. Collect the second cotton swab in the same way. Everyone must extract at least 3 cotton swabs for verification.
1. Do not touch the cotton swab head with your hands to avoid contamination;
2. After the sample is dried in the shade, it must be put in a paper envelope to avoid the cotton swabs from drying out and mildew, which will affect the quality of the test;
3. Any samples need to be stored separately, and the relationship between father and son should be marked.
It is worth noting that if you are sampling yourself or your child, it is recommended that you use a non-invasive oral swab as the sample; if the child is under 5 years old, you can use a oral swab or blood stain as the test sample. It is best not to collect hair, because the child It is still small, the hair follicle is not fully developed, and the hair is relatively thin and sparse, so the amount of DNA contained in the hair is relatively small.
Our company also has DNA Test Swabs on sale, welcome to contact us.