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CE Rdt Kit Norovirus Rotavirus Adenovirus And Astrovirus Combo Diagnostic Test

Product Details:

Place of Origin:CHINA
Brand Name:AllTest
Certification:CE
Model Number:CASSETTE

Payment & Shipping Terms:

Minimum Order Quantity:500
Packaging Details:25 tests per kit
Supply Ability:100 Million a year
Detailed Product Description
Format: Cassette Color: Blue
Specimen: Feces Storage: 2-30°C
Shelf Time: 24months Material: Plastic

 
A rapid, one step test for the qualitative detection of norovirus, rotavirus, adenovirus and astrovirus in human feces.

 

For professional  CE certified

 

 

Applications: 

 

The Rotavirus and Adenovirus Combo Test Cassette (Feces) is a rapid chromatographic immunoassay for the qualitative detection of rotavirus and adenovirus in human feces specimens to aid in the diagnosis of rotavirus or adenovirus infection.

 

 

Description: 

 

The Combo Test comprises of 3 parts, viz., Norovirus, Rotavirus/ Adenovirus and Astrovirus. The details for each part are given below.
The Norovirus Rapid Test (Feces) is a rapid chromatographic immunoassay for the qualitative detection of norovirus in human fecal specimen. The test utilizes antibody specific for norovirus to selectively detect norovirus in human fecal specimens.
Noroviruses (NoV) are a genetically diverse group of single stranded RNA, nonenvelopped viruses belonging to the Caliciviridae family. Initially four antigenic types of SRSV were recognized, but more recently three genogroups have been identified with the genus Norovirus. Genogroup 1 and Genogroup 2 are associated with human infections whilst Genogroup 3 is associated with bovine and porcine infection. Noroviruses are a major cause of acute gastroenteritis worldwide, often causing explosive outbreaks in institutions. They are highly contagious, with an inoculum of as few as ten particles being able to cause infection. Transmission occurs through ingesting contaminated
food and water and by person-to-person spread. Transmission is predominantly faecal-oral but may be airborne due to aerosolisation of vomitus, which typically contains abundant infectious virus particles. Outbreaks may involve several routes of transmission. The illness is acute, usually mild, although it has caused fatalities among the frail elderly, and self-limiting and follows an incubation period of 24-48 hours although cases can occur within 12 hours of exposure.
The symptoms of Norovirus illness usually include nausea, vomiting, diarrhea, and some stomach cramping. Sometimes people additionally have a low-grade fever, chills, headache, muscle aches, and a general sense of tiredness. The illness often begins suddenly, and the infected person may feel very sick. In most people the illness is self-limiting with symptoms lasting for about 1 or 2 days.
The Rotavirus and Adenovirus Combo Rapid Test (Feces) is a rapid chromatographic immunoassay for the qualitative detection of rotavirus and adenovirus in human fecal specimen, providing results in 10 minutes. The test utilizes antibody specific for rotavirus and adenovirus to selectively detect rotavirus and adenovirus from human fecal specimens.
Acute diarrheal disease in young children is a major cause of morbidity worldwide and is a leading cause of mortality in developing countries.1 Rotavirus is the most common agent responsible for acute gastroenteritis, mainly in young children.2 Its discovery in 1973 and its association with infantile gastroenteritis represented a very important advancement in the study of gastroenteritis not caused by acute bacterial infection. Rotavirus is transmitted by oral-fecal route with an incubation period of 1-3 days. Although specimen collections taken within the second and fifth day of the illness are ideal for antigen detection, the rotavirus may still be found while diarrhea continues. Rotaviral gastroenteritis may result in mortality for populations at risk such as infants, the elderly and immunocompromised patients.3In temperate climates, rotavirus infections occur mainly in the winter months. Endemics as well as epidemics affecting some thousand people have been reported.4 With hospitalized children suffering from acute enteric disease up to 50% of the analyzed specimen were positive for rotavirus.5The viruses replicate in the cell nucleus and tend to be host species specific producing a characteristic cytopathic effect (CPE).
Research has shown that enteric adenoviruses, primarily Ad40 and Ad41, are a leading cause of diarrhea in many of these children, second only to the rotaviruses.6,7,8,9 These viral pathogens have been isolated throughout the world, and can cause diarrhea in children year round. Infections are most frequently seen in children less than two years of age, but have been found in patients of all ages. Further studies indicate that adenoviruses are associated with 4 - 15% of all hospitalized cases of viral gastroenteritis.5,6,7,8,9 Rapid and accurate diagnosis of gastroenteritis due to adenovirus is helpful in establishing the etiology of gastroenteritis and related patient management.
The Astrovirus Rapid Test (Feces) is a rapid chromatographic immunoassay for the qualitative detection of astrovirus in human fecal specimen. The test utilizes antibody specific for astrovirus to selectively detect astrovirus from human fecal specimens.Astrovirus is a type of virus that was first discovered in 1975 using electron microscopes following an outbreak of diarrhea in humans.10 Astroviruses are 28–35 nm diameter, icosahedral viruses that have a characteristic five- or sixpointed star-like surface structure when viewed by electron microscopy. Along with the Picornaviridae and the Caliciviridae, the Astroviridae comprise a third family of nonenveloped viruses whose genome is composed of plus-sense, single-stranded RNA. 11 Astrovirus has a non-segmented, single stranded, positive sense RNA genome within a non-enveloped icosahedral capsid.12 Human astroviruses have been shown in numerous studies to be an important cause of gastroenteritis in young children worldwide.

 

 

How to use? 

 

 

Allow the test cassette, specimen and buffer to reach room temperature (15-30°C) prior to testing.
1. To collect fecal specimens:
Collect sufficient quantity of feces (1-2 ml or 1-2 g) in a clean, dry specimen collection container to obtain enough virus particles. Best results will be obtained if the assay is performed within 6 hours after collection. Specimen collected may be stored for 3 days at 2-8°C if not tested within 6 hours. For long-term storage, specimens should be kept below -20°C.
2. To process fecal specimens:
For Solid Specimens:
Unscrew the cap of the specimen collection tube,then randomly stab the specimen collection applicator into the fecal specimen in at least 3 different sites to collect approximately 50 mg of feces (equivalent to 1/4 of a pea). Do not scoop the fecal specimen.
For Liquid Specimens:
Hold the dropper vertically, aspirate fecal specimens, and then transfer 2 drops of the liquid specimen (approximately 50 µL) into the specimen collection tube containing the extraction buffer.Tighten the cap onto the specimen collection tube, then shake the specimen collection tube vigorously to mix the specimen and the extraction buffer. Leave the collection tube for reaction for 2 minutes.
3. Bring the pouch to room temperature before opening it. Remove the test cassette from the foil pouch and use it within one hour. Best results will be obtained if the test is performed immediately after opening the foil pouch.
4. Hold the specimen collection tube upright and unscrew the small cap of the specimen collection tube. Invert the specimen collection tube and transfer 2 full drops of the extracted specimen(approximately 80μL) to the specimen well (S) of the test cassette, then start the timer. Avoid trapping air bubbles in the specimen well (S). See illustration below.
5. Read the results at 15 minutes after dispensing the specimen. Do not read results after 20 minutes.
Note: If the specimen does not migrate (presence of particles), centrifuge the extracted specimen contained in the extraction buffer vial. Collect 80 µL of supernatant, dispense into the specimen well (S). Start the timer and continue from step 5 onwards in the above instructions for use.
 
CE Rdt Kit Norovirus Rotavirus Adenovirus And Astrovirus Combo Diagnostic Test
 
INTERPRETATION OF RESULTS 
(Please refer to the illustration above)
All the Test interpretations must be carried out as per the windows classified for each type.
Norovirus:
T1 and T2 POSITIVE:* Three distinct colored lines appear. One colored line should be in the control line region (C) and another apparent colored line should be in the Genogroup 1 region (T1) and/ or Genogroup 2 region (T2).
T1 POSITIVE:* Two distinct colored lines appear. One colored line should be in the control line region (C) and another apparent colored line should be in the Genogroup 1 region (T1).
T2 POSITIVE:* Two distinct colored lines appear. One colored line should be in the control line region (C) and another apparent colored line should be in the Genogroup 2 region (T2).
Rotavirus and Adenovirus Combo:
Rotavirus Positive: * A colored line appears in the control line region (C) and another colored line appears in the T2 line region.
Adenovirus Positive: * A colored line appears in the control line region (C) and another colored line appears in the T1 line region.
Rotavirus and Adenovirus Positive: * A colored line appears in the control line region (C) and two other colored lines appear in T1 line region and T2 line region respectively.
Astrovirus:
POSITIVE:* Two distinct colored lines appear. One colored line should be in the control line region (C) and another apparent colored line should be in the test line region (T).
NEGATIVE: One colored line appears in the control line region (C). No line appears in the test line region (T).

*NOTE: For all the three windows, the intensity of the color in the test line region (T) will vary depending on the concentration of viral antigens present in the specimen. Therefore, any shade of color in the test line region (T) should be considered positive.
INVALID: Control line (C) fails to appear. Insufficient specimen volume or incorrect procedural techniques are the most likely reasons for control line failure. Review the procedure and repeat the test with a new test cassette. If the problem persists, discontinue using the test kit immediately and contact your local distributor.

 

Cat. No. Product Description Specimen Format Kit Size Cut-Off Status
IMVD-645 Norovirus, Rotavirus, Adenovirus and Astrovirus Combo Rapid Test Cassette Feces Cassette 10T / CE
 
   
 
   

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Hangzhou AllTest Biotech CO.,LTD

Tel:86-571-56267891

Fax:86-571-56267856

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