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FDA approved nasal flocked swab

FDA approved nasal flocked swab

Huachenyang is a brand company with more than ten R & D patents, specializing in R & D / production and sales of sampling swabs.

We have our own independent laboratory and R & D production base.

At present, huachenyang produces and operates aseptic saliva collector, medical cotton swab and sampling,

FDA approved nasal flocked swab

Advantages of flocking cotton swabs


Flocked nylon swabs: excellent sample collection / release capacity, release rate > 80%

Routine fiber swabs: 1

The sample will be intercepted in the gap of fiber mass, that is, the sample permeates, dilutes and intercepts in the fiber. Slow acquisition, slower release.

The sampling time of flocking swab is 3-5 seconds, while that of cotton swab is 15-120 seconds or even longer, which causes pressure on the staff during the diagnosis process. Only faster sample extraction can complete the collection and analysis more efficiently.

Effects of huachenyang flocking swabs and composite nano cotton swabs on DNA extraction from microbial samples:

① Methods three kinds of carriers (glass, slotting knife and drawer handle) were selected for disinfection, and the trace DNA samples on the carrier surface were simulated.

② The DNA on the carrier was extracted with the flocking swab and the composite nano cotton swab respectively.

③ The number of STR genotypes, the number of alleles lost and the area of peak height were used as the comparison indexes of extraction effect.


*Five microdna samples were successfully detected in huachenyang flocking swab group, and 4 samples were detected effectively;

*Nine microdna samples were detected effectively in the composite nanocotton swab group;

*The number of allele loss in the cotton swab extraction group was significantly more than that in huachenyang Elaine group, and the peak height area was significantly lower than that in huachenyang group.


*In this study, the effect of Zhonghua Chenyang flocking swab on DNA extraction of fingerprints on glass surface, exfoliated cells on cutting surface and cells on drawer handle surface was significantly better than that of composite nano cotton swabs.

Characteristics of huachenyang flocking swabs

Huachenyang medical uses the technology of spray dense planting nylon fiber

According to the analysis items, there are soft or brush like swabs, which have reached the maximum collection

The world’s only disposable sterile injection swab with breaking point

The technology of flocking cotton swab can improve the adsorption / release amount and the sensitivity of analysis.

No sample rejection indicates faster and less specimen transfer

The upright nylon fiber is like a soft brush, which can collect more cell samples. The capillary interaction between nylon fibers enhances the loading capacity of water-based samples, and the samples are concentrated on the surface of the swab, which is easier to elute. Nylon nasopharyngeal swab can absorb and release more samples.

Product features:

  1. It is made of non inhibitory DNA amplification material, which can be verified by direct PCR amplification without the extraction steps.
  2. Use single and independent packaging to avoid pollution.
  3. Strict technological conditions, no DNA enzyme and human DNA that can be amplified.
  4. The tube body is transparent and the inspection material is visible.
  5. The unique patented casing design ensures the air circulation in the casing, prevents the inspection materials from mildew due to the humid sealing environment, and avoids the magazine pollution in the external air, which will affect the inspection quality.

Product advantages:

  1. It is specially designed for the DNA micro detection materials at crime scene, especially for sweat, semen, blood, dandruff, oral cells and other trace samples, which has superior collection performance.
  2. It can quickly adsorb micro sample and has high release efficiency.
  3. The front end is sharp, which is suitable for the extraction of cells in the nail seam of the victim or criminal suspect.
  4. The back end of swab can be broken, which is conducive to the automatic extraction workstation for sample extraction.
  5. The whole swab is packed in transparent plastic tube to avoid biological pollution.
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