Home » Product news » Page 7

What Is Specimen Collection ?

Posted on 2022年3月29日2022年3月29日 by Dr. Lee

The surge of covid-19 has seriously affected our life and production.

With the efforts of most scientific researchers, the test of this virus came out.

Collection methods of common virological test specimens.

Nasal Swab Virus Sampling Kits

1. Draw 5 ml of blood for serological examination without anticoagulation

2. Extract cerebrospinal fluid through an aseptic procedure, place it in a sterile test tube, and immediately send it for examination in an ice bath.

3. Take a cervical or vaginal swab to take the secretions from the lesion site.

If there is no lesion site, clean the mucus of the cervical mouth, stick the swab about 1 cm into the cervix and hold it for more than 5 seconds to take it out. And put the swab in the transport solution on the ice at 4 °C.

4. Fecal specimens Take 2g~4g of stool specimens in a sterile container, add 8ml~10ml of transport fluid, and send them for inspection immediately.

5. Gargle solution: The patient can get it by gagling with sterile normal saline several times. After mixing the same amount with the transport solution, send it for inspection immediately.

6. Throat swab: Use a tongue depressor to fully expose the throat to avoid saliva contamination. Use a swabened moist with normal saline to collect specimens on the surface of the throat, and place them in transport fluid for inspection.

7. Nasopharyngeal swab: Take nasopharyngeal secretions for bacterial culture and drug sensitivity test.

7. Urethral swabs and urine specimens. The tester inserts the urethral swab 4 cm into the urethra and rotates it gently 2 to 3 times to obtain more epithelial cells. Then take it out and send it to the transport fluid for inspection.

The classification of new coronavirus nucleic acid samples includes nasopharyngeal swabs, oropharyngeal swabs and anal swabs. Different specimens use different methods for specimen collection.

What is a Specimen Collection Kit?

Viral Transport Kit: for collecting, handling, and transporting specimens suspected of VIRUS.

Generally equipped with a disposable flocking swab. From the appearance point of view, the flocking swab is white and soft. Using this soft brush during the sampling process will make the user feel no foreign body, and it is suitable for sampling in different parts. people.

Virus sampling tube: When collecting samples, routine samples could not be detected by PCR immediately. It is generally necessary to transport the swab sample with the specimen. The virus itself dissolves rapidly in vitro, affecting subsequent experiments. For transport, viral transport medium must be added.

What is the Specimen Collection Kit used for?

The nasopharyngeal swabbing is generally the preferred method of specimen collection for COVID-19 testing.

1. Disposable virus sampling tube is used for monitoring and sampling infectious pathogenic microorganisms in the disease control part and clinical part. Suitable for sampling influenza virus (common influenza, highly pathogenic avian influenza, H1N1 influenza virus, etc.). Hand, foot and mouth disease virus and other types of viruses.

It can also be used for sampling other respiratory diseases such as Mycoplasma and Chlamydia. COVID-19.

2. For transporting nasopharyngeal swab samples or site-specific scheduled samples from the sampling point to a testing laboratory for extraction and testing by polymerase chain reaction.

3. For the preservation of nasopharyngeal swab samples or samples arranged at specific sites for necessary cell culture.

Swab in specimen collection

1. Swabs with polyester fibre, polyester or rayon head and plastic or aluminium handle: suitable for the collection of virological test specimens. The collection of virological test specimens should not use swabs with wooden handles.
2. Cotton swabs: It is suitable for the collection of vaginal, cervical and urethral specimens for the mycoplasma test. It is not suitable for the collection of bacteria (especially fastidious bacteria) and chlamydia test specimens.
3. Polyester swabs and nylon swabs: suitable for a sampling of virus and bacterial specimens.
4. Flocked swab: It is made of nylon fiber through proprietary spray technology, and is suitable for respiratory virus sampling and fungal culture specimen sampling.
5. Calcium alginate swab: suitable for the collection of nasopharyngeal swabs for Chlamydia and Bordetella pertussis.

However, it is not suitable for the sampling of lipid-enveloped virus and cell culture. It is not suitable for the sampling of Neisseria gonorrhoeae and Ureaplasma urealyticum.

What Is Virus Transport Medium

Posted on 2022年3月28日2022年3月28日 by Dr. Lee

The virus transport medium is novel and unfamiliar to many small partners, but it is of great significance for the detection of various viruses.

The new crown virus has tortured human beings enough.

In the face of a large number of COVID-19 patients, some places are still rising.

Therefore, as soon as there are new additions, many places will focus on the new crown nucleic acid detection.

The virus preservation solution plays a very important role.

Virus Transport Medium with Specimen collection swab

At present, the nucleic acid detection of the new coronavirus is mainly the detection of viral nucleic acid.

Virus transmission medium is a cell preservation liquid, which protects the virus to be detected by immersing the flocked swab head with the virus sample into the transport tube.

It is mainly suitable for the new coronavirus, Collection, preservation and transportation of common virus samples such as the influenza virus.

To collect throat swabs, nasal swab or tissue samples from specific parts.

The stored samples: for subsequent nucleic acid detection or clinical experiments such as virus culture.

Since the virus is a parasitic organism, it cannot survive outside the body after sampling.

If it cannot be detected in time, it needs to be placed in a virus preservation solution for preservation. (Virus Transport Medium)

In order to protect the safety of the virus detection environment and the safety of the detection personnel, inactivated virus preservation solution is actually a better choice!

FLOCKED SWAB

For different detection purposes, we need to use different virus preservation solutions for preservation.

The two widely used preservation solutions have their own characteristics.

In order to meet different detection requirements and different experimental conditions for virus detection, it is necessary to use different preservation solutions.

The inactivated virus preservation solution can inactivate the virus.

How to detect it after inactivation?

The purpose of our use of inactivated preservation solution is to lyse nucleic acids, release nucleic acids and then carry out nucleic acid detection by subsequent real-time fluorescent RT-PCR.

Doctors use inactivated virus transport media to determine whether the sample contains virus characteristic nucleic acid, that is, whether we carry the virus.

Inactivated virus transport medium:

A virus lysis type preservation solution improved by nucleic acid extraction lysis solution.

Effectively prevent the secondary infection of the operator, but it also contains inhibitors, which can protect the viral nucleic acid from being degraded.

This enables subsequent detection by NT-PCR.

Moreover, stored at room temperature for a relatively long time, which saves the cost of virus sample storage and transportation.

Non-inactivated virus transport medium:

A virus maintenance liquid type preservation solution improved on the basis of the transport medium.

It maintains the activity of the virus in vitro and the integrity of antigens and nucleic acids.

The protective viral protein shell makes it difficult to decompose and maintains the originality of the virus sample to a great extent.

For nucleic acid extraction and detection, the experimenters also use the transport medium for virus culture and isolation and maintain the activity of virus samples.

In addition to nucleic acid extraction and detection, the inspector also uses this preservation solution for virus culture, isolation and antigen detection.

Nasal Swab Test

Posted on 2022年3月26日2022年3月26日 by Dr. Lee

The person who did a few nasal swabs tells you how to do it without pain.

I’ve done nasal swabs several times and it’s been painless every time. Much more comfortable than a throat swab.

I see a lot of people on the Internet saying that the nasal swab is very painful, sour and straight to the sky, this is because your posture is not correct! !!

Nasopharyngeal swabbing is generally the preferred method of specimen collection for COVID-19 testing.

Looking at this schematic diagram, in fact, no matter the nasal swab or the throat swab.

Their purpose is to let the flocked swab sample from the inner wall of the throat.

Nasal swabs are not meant to poke your heavenly lid!

Nasopharyngeal culture

A nasopharyngeal culture is a test that examines a sample of secretions from the uppermost part of the throat, behind the nose, to detect organisms that may cause disease.

Nasopharyngeal Swab Pcr Test

Therefore, you should tilt your head as far back as possible to allow the cotton swab to go in horizontally.

That way the only thing you feel is a little bit of cold, and it’s over in less than 5 seconds.

But if you keep your head upright, then the flocked swab can only be poked from bottom to top, which will definitely pierce the upper part of the nasal cavity.

That position is very sensitive, and it will hurt very much when pierced.

And because the doctor can’t see the location, he can only stir in it by the feel of the hand, so you will be sour to tears.

One sentence summary: Tilt your head back and let the flocked swab go in and out horizontally all the way.

Why you should take the swab test.

This test identifies viruses and bacteria that cause upper respiratory symptoms.

These include:

Bordetella pertussis, the bacterium that causes whooping cough Meningococcus meningitidis.

The bacterium that causes meningococcal meningitis is Staphylococcus aureus, the bacterium that causes staph infections Methicillin-resistant Staphylococcus aureus virus infection.

For example, influenza or respiratory syncytial virus cultures can be used to help determine which antibiotic is appropriate to treat infections caused by bacteria.

Normal Results The presence of common organisms in the nasopharynx is normal.

What an abnormal result means The presence of any disease-causing viruses, bacteria or fungi means that these organisms may be causing your infection.

Sometimes, organisms like Staphylococcus aureus can exist without causing disease.

The test can help identify resistant strains of the organism (methicillin-resistant Staphylococcus aureus, or MRSA) so that people can be quarantined if necessary.

Risks There are no risks to this test

Viral transport media for COVID-19 testing

Posted on 2022年3月25日2022年3月25日 by Dr. Lee

At present, medical technology needs to promote positive energy!

The current epidemic has come and gone.

In particular, important medical materials such as disposable virus sampling tubes (virus transport media) play a key role.

At present, the quality of the products of various manufacturers on the market is also uneven, and there is also a risk of affecting the accuracy of the experimental results.

Make products with a realistic and rigorous scientific attitude;

Let the front-line medical staff have no worries, and provide them with a steady stream of “cannonballs”.

Below we will define the virus delivery medium and explain typical components and options for use.

What is a virus transport medium?

10ml Viral Transport Medium VTM Swab Tube Kit

It is suitable for the collection of various influenza viruses, avian influenza viruses, COVID-19 novel coronavirus, hand, foot and mouth virus samples.

Realize the lysis and inactivation of the virus in the sample.

At the same time effectively ensure the stability of the viral nucleic acid in the sample during storage and transportation at room temperature.

And collect the sample for subsequent PCR analysis and detection.

Features:

✳ Room temperature stable storage;

After use, Stored at room temperature for 7 days, which is conducive to the collection and transportation of samples.

✳ Quick release

Using swabs to collect samples is conducive to subsequent nucleic acid release.

✳ Safe and rapid inactivation of virus samples

The preservation solution can quickly inactivate virus samples, effectively reducing the level of biosafety requirements for sample transportation and subsequent testing laboratories.

✳ Swab breakpoint design

After sampling, the designed rod breakpoint design can easily break the head and save it in the tube.

What are the components of the viral transport medium?

The sample transport medium, viral transport medium (VTM), stabilizes cells and viruses in potentially infected patient samples during transport from the point of collection to the testing facility.

These reagents are suitable for various types of viruses, including coronaviruses, herpes viruses, and influenza viruses.

CellMedical’s products for sample transport include viral transport media and saline solutions, which are both efficient collection and transport media for subsequent qPCR assays.

All sample transfer media are manufactured in a state-of-the-art GMP facility certified to ISO 13485:2016.

UTM Tube with NP Flocked Flexible Swab

1. Virus sampling tube;

Some data suggest that polypropylene (Polypropylene) is related to the adsorption of nucleic acids, especially at high tension ion concentration, polyethylene plastic (Polyethylene) is easier than polypropylene (Polypropylene) to grasp DNA/ RNA.

In addition, when using breakable swabs, the storage tube should try to choose a container with a height of more than 8 cm to prevent the contents from splashing.

Some tubes may be formulated to contain buffered proteins and antibiotics to inhibit the growth of potentially contaminating bacteria and fungi.

2. Virus Transport Media;

VTM consists of Hanks Balanced Salt, Foetal Bovine Product, anti-bacterial prescription antibiotics, anti-fungal anti-biotics as well as Phenol Red as an indication for real-time surveillance of pH security of the service.

3. Collection of flocked swab;

The sampling swab directly contacts the sampling site, and the material of the sampling head is closely related to the subsequent detection.

Sampling swab tips should be made of Polyester (PE) synthetic fibers or Rayon (man-made fibers).

Prohibit calcium alginate sponges or wooden stick swabs (including bamboo sticks).

For example, the material of the swab tip cannot be cotton.

Products, because cotton fibers have strong adsorption of protein.

It is not easy to be eluted into the subsequent preservation solution.

Our flocked swabs are famous for their stable and reliable performance and excellent absorption and elution ability.

Viral transport media applications

The virus sampling tube is a complete set of centrifuge tubes for sampling and transporting viruses such as influenza virus, hand, foot and mouth virus, covid test, etc. in the microbial sampling transport tube, also known as the specimen transport tube.

In the current epidemic, virus sampling is also an important part. Generally, viruses exist in large quantities in the nasopharynx of the human body.

The pharyngeal tester collects virus samples from the nasopharynx and puts them in a virus sampling tube.

How Accurate Is The Nasal Swab

Posted on 2022年3月24日2022年3月24日 by Dr. Lee

Swab test has methods such as nasal swab and pharyngeal swab.

Which is more accurate, nasal swab or pharyngeal swab?

Which of the two is more painful? If you want to know, let’s have a look.

Which is more accurate to detect a poke in the nose or a poke in the throat？

Theoretically, under the condition of standard operation, the results and accuracy of nasal swabs and pharyngeal swabs will be the same.

However, in the actual clinical work and the reagents for collecting samples, nasal swabs and pharyngeal swabs need to collect the secretions on the respiratory mucosa, which are irritating to some extent.

In particular, pharyngeal swabs are prone to nonstandard phenomena.

For example, without a tongue depressor, the pharynx of the subject is more sensitive and cannot collect qualified samples.

In addition, the throat swab needs the collector to open his mouth, which is easy to form aerosols and pollute the surrounding environment.

This will not ha ppen during the collection of nasal swabs.

In contrast, the results will be more accurate.

Nasopharyngeal swab and throat swab which is painful？

Depends on individual tolerance.

In the collection of nucleic acid sample detection samples through nasal swabs and throat swabs.

There will be a certain discomfort, but this discomfort is within the tolerable range.

However, compared with the two, nasal swabs may be less irritating to the mucous membranes, and the discomfort caused by standardized operations is less,

Collected through the nasal cavity, the public’s acceptance of them will be lower.

Can I do a swab test for a sore throat?

Yes.

Nucleic acid testing can also be performed during throat inflammation, which will not affect the results of the nucleic acid test.

It’s just that symptoms such as acute pharyngitis, acute tonsillitis, acute epiglottitis, etc., in the process of nucleic acid detection, have a certain degree of irritation to the mucous membranes of the throat, which can easily aggravate throat discomfort.

Recommended to inform the medical staff in advance before nucleic acid sampling.

Can I eat before the nucleic acid test

Avoid eating.

Avoid to eat 2 hours before the nucleic acid test, because when collecting nucleic acid samples, it is usually necessary to collect secretions from the throat or nasal cavity. Because the cotton swab will irritate the throat during nucleic acid test sampling, it can cause nausea and throat of the patient.

Symptoms such as discomfort, if you eat too much, it is easy to cause vomiting.

In addition, before the nucleic acid test, be careful not to smoke or drink alcohol, and it is best not to chew gum, otherwise the accuracy of the nucleic acid test may be affected.

What is a Flocked Swab Test

Posted on 2022年3月23日2022年3月23日 by Dr. Lee

What is a Flocked Swab Test

CellMedical is in the spotlight as a key manufacturer in the COVID-19 testing supplies supply chain.

In the face of the outbreak, demand for this flocked swab and its transport medium has skyrocketed, quickly depleting supplies across the country.

Cell medical (Dongguan) Co., Ltd. is a company with more than 10 years of professional development, production and sales of flocked swabs, DNA flocking swabs, oral swabs. Disposable sampling swabs. Disposable swabs sub. virus sampling swab. single-use virus sampling tube. Virus transport medium.

Flocked swab factory

We have our own independent laboratory and production base.

At present, our main business includes sponge cotton swabs, flocking cotton swabs, flocking swabs, sampling cotton swabs, sampling cotton swabs, sampling swabs, medical cotton swabs, medical applicators, polyester-cotton swabs and microfiber cotton swabs.

A purifying cotton swab product.

All our products are produced in a 10,000-level GMP cleanroom.

Our GMP manufacturer

And the production process is all carried out in accordance with the relevant GMP dust-free production specifications, which maximizes the quality of the products.

We currently manufacture over 1,200 different types of swabs and collection devices for a variety of industries, typically producing over 12 million swabs per day.

We are rapidly adjusting some of our manufacturing capabilities to meet the demand for COVID-19 testing materials.

Product Usage:

Nylon flocked swabs are versatile and are useful in bacteriological sample processing, covid swab tests, virological cell cultures, DFA testing, rapid and direct testing, polymerase chain reaction and molecular diagnostic-based tests, and forensic identification. ideal.

For throat sampling of respiratory viruses such as influenza, swine flu, bird flu, hand, foot and mouth.

Sampling swab product features:

1. It has an extraordinary water absorption capacity, which can increase the number of specimens collected on its surface from 20% of traditional sampling swabs to 60%;
2. Has a release rate of over 90% for the collected specimens, thus ensuring a high degree of reliability of the results;
4. There is a unique breakable design on the plastic rod, which is convenient for specimen transportation;
5. Ethylene oxide sterilization, irradiation sterilization, independent packaging;

Gene sampling series flocked DNA oral swabs are specially designed to improve the yield and quality of genomic DNA in oral swab cells. Oral cell samples are a good alternative to blood for non-invasive collection and detection.

DNA flocking swabs are suitable for human and animal use and have advantages over other DNA swabs in design. Its unique swab matrix and rapid release interface are more conducive to efficient cell collection and maximising DNA yield. The swabs have been sterilized with ethylene oxide and tested for human DNA contamination.

Application

Genotyping studies;

Veterinary Genotyping and Diagnostics;

Parenting and Genetic Services;

Forensic and DNA population research;

How to Collect DNA Buccal Swabs

Posted on 2022年3月19日2022年6月2日 by Dr. Lee

DNA can tell you a lot about you.

DNA sample collection DNA is collected from an individual (or individuals) using sterile swabs while following appropriate collection techniques.

A DNA test can do this by looking at your DNA to determine the DNA “function” it exposes in your genetic code.

This is the “feature” that some tests can provide for health and life.

The reason for the method information.

Under the license of numerous DNA companies, some will sequence your DNA through your clients to help you understand your family tree, the migration patterns of your ancestors.

Proper DNA sample collection techniques are an essential skill for forensic scientists, crime scene investigators, and medical examiners. We can collect DNA samples from many different sources.

Products found at a criminal crime scene that may not actually involve a true crime may provide DNA evidence.

What is a DNA test and how is it done?

Use your doctor’s genetic sample to test you or be asked to spit in a test tube , or be asked to flocked swab in a tube in your mouth.

If you have frequent dry mouth, you need to do a cheek test. Another could be a lemon bite, the taste of a lemon, and then a bite of the lemon. When to get those drools back. Besides, you can also learn a little more but about DNA testing things!

DNA sample collection method

: generally choose routine: bloodstain, oral test, long sample;

Swab collection method:

Rinse your mouth with water to make sure there is no food residue in your mouth.
Open the DNA storage solution tube. Turn the cap down and the spout up.
Unwrap you and stick your fingers around the probe. It is important not to probe with a profiler of a profiler, as this can affect the profiler results.
Insert a medical DNA swab into the mouth and rub 30 times on the cheeks.
Take a cotton swab and dry the swab in the shade; use the same method to collect three DNA subs.

Exactly how to prevent DNA evidence contamination

When managing all organic evidence for DNA screening, it is imperative for investigators and laboratory staff to wear the correct personal safety equipment, use tidy instruments, and avoid interactions with various other objects to reduce the threat of compromise of any evidence.

Improper storage space, direct exposure to direct sunlight, or simply being comfortable can all cause damage to DNA. To avoid damage, keep accumulated evidence in a dry and cool place and send it to the laboratory immediately.

What is the source of DNA you can wipe?

You can easily wipe down many common DNA sources. These include blood, feces, urine, semen, saliva, hair, teeth, bones, and cells. DNA can also accumulate from selected surfaces and materials.

Where can DNA samples be obtained?

DNA samples can be extracted from drinking glasses, cigarette butts, food with bite marks, bite marks on the skin, etc. You can also wipe down frequently touched surfaces such as computer keyboards, doorknobs, steering wheels, glasses, and countertops.

Flu Test Swab

Posted on 2022年3月18日2022年3月30日 by Dr. Lee

The COVID-19 pandemic has actually added another layer of complexity to the flu season ahead of schedule. COVID and the flu share many similar signs and symptoms, which certainly makes diagnostic screening even more important this flu season.

What is a flu swab test?

Flu is the abbreviation of Influenza. This disease is not unfamiliar to us. It is an acute respiratory infection caused by influenza virus.

Influenza is very contagious and spreads very quickly. Once you have flu symptoms, you must go to the hospital for relevant examinations in time to determine the type of flu before symptomatic treatment.

Every year when the seasons change, the virus will also increase due to changes in temperature. This period is also the time when we are most prone to getting sick.

Among them, influenza is a very common epidemic infectious disease. Influenza is familiar to most people, but not very well known to a few people.

Getting a quick, accurate diagnosis is of course critical to driving treatment decisions.

Influenza testing can be done with blood tests, nasopharyngeal swabs, etc.

How to Test for Flu with a Swab.

Which Swab Test is More Accurate?

Discovering the right flu test is critical to ensuring accurate results. Using high-quality items—including appropriate swabs, shipping media, and testing devices—can help to properly identify influenza and reduce the potential spread of infection. Influenza testing needs to detect the influenza virus.

After infection with influenza, the influenza virus usually invades the nasopharynx first, which can be detected by a nasopharyngeal swab.

Influenza virus can also enter the blood and can be detected by a blood test. Influenza is a relatively serious respiratory infectious disease.

After the infection, the systemic symptoms are more obvious, such as high fever, general weakness, and sore limbs.

The recovery of the disease is also relatively slow, and it takes about half a month.

Each of the influenza tests listed above can be performed using a nasopharyngeal (NP) swab, throat swab, NP swab, nasal or endotracheal aspirate, or saliva test.

Covid Test Throat Swab

To perform an NP flu swab test, follow these steps:

Choose a flocked swab with excellent absorption and elution, such as CellMedical’s Nasopharyngeal Swab CM-96000N 6″ Sterile Flocked Swab with Breakpoint 90mm.

With the patient’s head tilted back, slowly insert the flocked swab into the nasal cavity.

Place the swab directly into the nostril directly back (not up) and at the level of the nasopharynx to the distance determined on the swab handle.

Rotate the swab approximately 3 to 5 times and hold in place for 5 to 10 seconds to obtain a sample.

Remove the sampling swab and insert into a virus sampling tube containing 1 to 3 ml of virus transport medium.

Break the flocked swab along the breakpoint.

Label the vial with the appropriate customer information.

How long does a flu swab test take?

Throat swab test belongs to a class of medical test methods. A medical sampling swab is used to take a small number of secretions from the pharynx of the human body, inoculate it in a special petri dish, and then put it into a temperature control device for cultivation. Throat swab test can understand the patient’s condition, oral mucosa and throat infection. As for how long the results will take, depending on the number of people tested, some hours, some a day, some a week.

How accurate is the flu swab test?

The flu nasopharyngeal swab test is more accurate when the virus load is sufficient.

This is used to determine whether the human body has the flu.

But if the test comes back positive, that would require sampling and testing of those who came into contact with the patient.

It can prevent the spread of influenza, and it is necessary for suspected patients to be properly isolated, placed separately, and tested.

Nasopharyngeal swabs are commonly used clinically to detect viruses.

That is, take a sampling flocked swab and gently wipe the patient’s nasopharynx, and then take samples for testing.

Ethylene Oxide Covid Test Sterile Swab

Posted on 2022年3月17日2022年3月30日 by Dr. Lee

EO sterilization refers to ethylene oxide sterilization.

Ethylene oxide (EO) is a highly efficient and broad-spectrum gaseous disinfectant.

It is by far the only most reliable and widely used sterilization method recognized worldwide.

The nasal sampling flocked swabs included in the COVID-19 test kits are sterilized by EO or gamma-ray sterilization.

Rest assured, the swab is safe to use. Including ethane is a gas use commonly used to sterilize different types of medical equipment, flocked swabs for test kits.

The time period for the entire process includes multiple heights and set-up phases, including post-swab removal of sterilized equipment to control ethane treatment.

Allows monitoring of residues in contact with humans (EO amount has been according to ISO 10939-7:2008) ).

Our GMP Factory Flocked Swab Ethylene Oxide Covid Test

Ethylene Oxide Covid Test Sterile flocked Swab Principle

What is the principle of ethylene oxide sterilization (EO sterilization)?

Ethylene oxide, also known as ethylene oxide, has the molecular formula C2H4O.

The boiling point is 10.4°C, it is soluble in water, and the explosion limit in air is 3% to 100% (volume).

Ethylene oxide is a highly volatile, explosive, flammable and toxic substance with ether smell when volatilized. It is a spectral sterilant.

Ethylene oxide can effectively kill various microorganisms, including bacterial propagules, spores, viruses and fungal spores, and is a broad-spectrum high-efficiency sterilant.

Ethylene oxide molecule can produce alkylation reaction with a carboxyl group, amino group, sulfhydryl hydrogen group and hydrogen group on gene proteins necessary for metabolism in bacterial cells.

Instead of the unstable hydrogen atoms on the above groups, form a hydroxyethyl group.

The rooting compound, because this compound destroys the necessary reactive groups in the important metabolic reactions of microorganisms, affects the action of bacterial enzymes, and causes the death of microorganisms.

Nasal swabs included in COVID-19 inspections are EO sterilized.

I heard that ethylene oxide sterilant is toxic and carcinogenic, but covid sterile swaps are all sterilized with ethylene oxide.

Is it safe for us to use a covid swab?

Is the risk of cancer caused by directly entering the respiratory tract greater?

The words “Clean and Sterile EO” on the product packaging of sterile flocked swabs. At this point there’s a crowd that’s saying “

Specimen Collection Swab Ethylene Oxide In Swabs

It’s completely dry here.

There’s no result. But once you put it in a person’s nose, it’s wet. Once you inhale it, it’s going to kill us. It’s really killing people.”

While it’s safe to say that direct exposure to ethylene oxide is actually linked to cancer (here), that doesn’t suggest that swabs sterilized with ethylene oxide definitely cause cancer cells.

Ethylene oxide is a valuable disinfecting gas because it is very good at inactivating bacteria.

It is used in factories in a very tightly controlled method to ensure that people working in manufacturing plants are not put at risk.

It is a common chemical used to sterilize clinical tools and leave a minimal amount of product behind.

In conclusion, EO is a gas commonly used to sterilize clinical equipment such as COVID-19 nasal swab tests.

Ethylene oxide (ethylene oxide) is a highly efficient and broad-spectrum gaseous disinfectant.

It is by far the only most reliable and widely used sterilization method recognized worldwide.

Although EO is carcinogenic, the use of this gas is safely regulated and has actually been used for decades.

Sterilization procedures are regulated to ensure minimal EO residues on medical tools.

Np Swab Covid Test Meaning

Posted on 2022年3月16日2022年4月7日 by Dr. Lee

Np Swab Covid Test Significance Np Swab is the English abbreviation of nasopharyngeal swab.

This article provides information on how to properly perform nasopharyngeal swab sampling, how to analyze samples taken from swabs.

Nasal swab? What is the difference between a nasopharyngeal swab and a nasal swab?

Nasopharyngeal Swab Pcr Test

Nasopharyngeal Swab vs Nasal Swab (Anterior Nasal Swab)

What is the method of nasopharyngeal swab?

Collection of specimens from the surface of the respiratory mucosa with nasopharyngeal flocked swabs is a procedure used for the diagnosis of Covid-19.

A nostril sample collection is usually one of the nursing care.

What is the nasal swab technique?

Part of the inspection method is done using sub-diagnostics and collecting diagnostic samples from the membrane. Rotate for 10-5 seconds while touching both walls, then use a cotton swab with 1 mid-hole in one nostril.

In the same way in the other nostrils: usually preferred for people – and used in my own testing. The same goes for technology.

Which swab test is more accurate?

Nasopharyngeal swabs are generally the recommended sample collection technique for COVID-19 testing.

Additionally, a 2012 comparative study showed no significant analytical differences between the two influenza detection technologies.

In addition to being the typical testing approach for the diagnosis of COVID-19.

The nasopharyngeal swab: is likewise regularly utilized for the detection of different viruses and bacterial infections.

How do we perform nasopharyngeal swab sample collection?

Flocked Tip Swab

Healthcare experts need to execute these tests in a specialized and also sanitized room that prevents the spread of the infection.

All healthcare specialists administering the nasopharyngeal swab examination have to wear the suggested personal protective devices (PPE), of which ought to include an N95 mask, non reusable cap, goggles, dress, latex gloves, and also footwear covers.

When the individual sitting upright as well as their head in a straight position, as this provides very easy exposure and also access to the nasal floor, which is vertical to the facility axis of the person’s face.

The staff places the swab into the client’s nose in the same direction as the nasal cavity and diaphragm floor.

As long as there are no obstructions existing within the nasal dental caries, the swab will certainly remain to relocate this instructions until it reaches the nasopharynx.

Once the swab reaches the nasopharynx, finishes two full 360-degree rotations to enable the secretions from this area.

When we take the swab out of the individual’s nose. Immediately insert into a vial with medium.

Nasopharyngeal Swab Procedure.

What can a nasopharyngeal swab find?

As previously pointed out, a nasopharyngeal swab: is extensively utilized to identify (SARS-CoV-2) infection, which is the infection that causes COVID-19 disease.

Identified via nasopharyngeal swabs, several of which include rhinovirus, and adenovirus. flu. respiratory syncytial virus (RSV). (HPIV). (HMPV) as well as (EV).

Given that the nasopharynx is generally home to a high number of both nonpathogenic as well as pathogenic microorganisms. This testing approach can additionally be utilized to detect particular bacterial pathogens.

Such as Streptococcus pneumoniae, Haemophilus flu, as well as Moraxella catarrhalis.

A diagnostics firm, for example, has just recently presented a novel nasal swab that gathers nasal epithelial cells for the early molecular discovery of lung cancer in both current as well as previous smokers.

We obtained nasopharyngeal swab samples, and the current standard for diagnosing SARS-CoV-2 is real-time fluorescent polymerase chain reaction (RT-PCR).

Pcr test nasal swab and an antigen test difference for covid 19

Commonly, the RT-PCR test will measure several various RNA gene targets, such as several of the envelope (env), nucleocapsid (N), spike (S), RNA-dependent RNA polymerase (RdRp) as well as ORF1 genes.

RT-PCR test is an analytical technique suitable for SARS-CoV-2 discovery because of its reliability and affordability.

As well as sensitivity, especially when compared to different analysis techniques like cell culture, antigen discovery, and serological approaches.

There are numerous reasons that negative test outcomes can develop as a result of an incorrect nasopharyngeal swab method.

One instance includes the numerous locations in between the opening of the nose and also the nasopharynx where the screening workers can experience resistance.

Commonly, a knowledgeable caregiver can acknowledge when the sampling swab has actually gotten to 9-10 centimetres into the nasal dental caries.

If the swab does not reach this depth, it has not accurately tasted liquid from the nasopharynx and can for that reason not adequately determine the existence of a disease within this location of the body.

For this reason, it is critical to assess whether employees receive proper education on how to accurately perform nasopharyngeal swab testing.