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Anonymous users2024-01-24The skin from the couch can be cut off, or the blood can be sucked up with absorbent sterile paper and the cells can be eluted in saline for DNA extraction.
First of all, we need to know that blood, sweat stains, and children's urine are all protein stains. It is also necessary to use different tricks to clear it according to different situations. When it is just contaminated, it can not be soaked in hot water, because the blood contains protein, which will coagulate and not dissolve when heated, making the stain more difficult to remove. >>>More
Blood stains should be cleaned with cold water, which can be removed with hydrogen peroxide, and when the hydrogen peroxide is foamed, it should be dipped in a clean, white dry cloth. >>>More
I accidentally got blood stains on the sofa, and the sofa was mercerized velvet. But it can't be disassembled, it's a headache! Hope you can help me!
Spray with blood stain enzyme solution and dry it with a damp cloth.
Mosquitoes are fierce nowadays.
It's normal to shoot a few people to get on the couch. >>>More