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Performance index of virus sampling tube

Author: Site Editor Publish Time: 2020-08-23 Origin: Site

 

(Inactivated virus)

 

A. Product appearance and performance parameters

 

①, virus sampling tube.

 

 

 

Height is 100mm, diameter 16mm

 

Tube body material PP (polypropylene), can withstand -197 ℃, low temperature does not break, 125 ℃ high temperature and high pressure does not deform

 

Tube cover material PE (high-density polyethylene), to ensure a close combination with the body of the tube

 

The inner bottom of the tube is tapered to allow for centrifugation and shaking. Conical bottom with skirt, all tubes can stand on the surface of the biological safety cabinet without the use of test tube racks and so on

 

②. Sampling swabs.

 

Length 150mm

 

Swab rod for PP material (polypropylene), inert material, submerged in the sampling fluid will not have foreign matter precipitation.

 

Swab head for fiber material, does not contain cotton material will have non-saturated fatty acids, will not interfere with the accuracy of PCR nucleic acid detection.

 

Second, the product packaging

 

Packaging specifications: 20 people/box

 

Each person includes 1 virus sampling tube (containing virus preservation solution), 1 individually wrapped sterile sampling swab, and 1 biosafety bag.

 

Third, product use

 

①, collection of influenza virus, hand, foot and mouth virus, measles and rubella virus samples

 

②, the collected virus samples can be stored for a short time at 2-8 ℃ temperature conditions (within 72 hours.)

 

③, the collected virus samples are used for nucleic acid detection and virus isolation

 

IV. Biosafety assurance aspects

 

①、The double anti-leakage design of own knowledge product and patented tube cover to avoid leakage of infectious virus preservation solution after sampling.

 

The O-ring seal on the inner wall of the cap ensures the sealing of the sampling tube without external extrusion.

 

The combination of cap and tube body has higher pressure strength. Ensure the seal when the sampling tube is squeezed by external force.

 

②. Each package comes with a self-sealing biosafety bag. The sampling tube can be transported in it after sampling. More secure.

 

V. Product performance

 

①、High positive rate of nucleic acid detection

 

24 hours after sample collection, the minimum detection line for positive nucleic acid test can be as low as 1*10²cell/mL (the virus titer refers to the virus low at the time of sample collection, the real time virus low after sample collection of conventional onset population is 1*10^6cell/mL)

 

②. Product can be stored at room temperature

 

Optimized product formulation, selected room temperature stable components. The product can be stored at room temperature

 

The liquid chromatogram of the product stored for 7d and 375d shows that there is no significant decrease in each component of the product.

 

③. Good inhibition effect on mold

 

The selection of room temperature stable antibiotics to inhibit mold, to avoid the selection of similar amphotericin B, mycotoxin and other room temperature unstable antibiotics occurred after sampling the virus preservation solution moldy, hairy and other phenomena.

 

Sixth, the product qualification

 

All through the EU CE, the United States FDA, the United States EUA, China NMPA, SGS, TUV and other field certification, can export trade

 

Domestic also has registration certificate

 

 

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