Trusa cu materiale de referinta (controale POZITIVE si controale NEGATIVE) pentru SARS-CoV-19: AccuPlex SARS-CoV-2 Reference Material Kit

AccuPlex SARS-CoV-2 Reference Material Kit

 

Continut: 

5 x 1.5 mL Positive Vials
5 x 1.5 mL Negative Vials

 

5000 copies/mL

 

AccuPlex™ SARS-CoV-2 Reference Material 0505-0126 is formulated for use with test methods that can detect SARS-CoV-2 virus, the causative agent of COVID-19 disease.

AccuPlex virus products are non-replicative recombinant viruses that are intended to assess the performance of the full process of a molecular test.

AccuPlex can be used to evaluate test proficiency and accuracy through the full process because they are encapsulated viruses which require extraction and amplification.

For Research Use Only. Not for use in diagnostic procedures.

TVA inclus
4.462,50 RON
Cod SKU (T)
SERA_0505-0126

PRODUCT DESCRIPTION


This product contains recombinant Sindbis viruses. There are 5 vials of positive reference material (red caps) that contain recombinant virus particles with sequences from SARS-CoV-2 genome. The sequences are based on the Genbank accession number NC_045512.2 and are detailed in Table 1.


Table 1: Sequences contained in positive reference material:

Regions included                 Location
ORF1a region:                    417..1899   &  3094..3360
RdRp region:                      13291..13560   &   14700..15950   &   18577..19051
E (Envelop) region:             25801..28200
N (Nucleocapsid) region:     27952..29873

 

There are also 5 vials of negative reference material (clear caps) that contain recombinant virus particles with sequences from human RNAaseP gene (RP).  The recombinant viruses used to produce the AccuPlex SARS-CoV-2 reference material are replication defective and heat-treated. However, handle AccuPlex products and all human blood products as though they can transmit infectious agents.

The product is formulated in viral transport media that consists of Tris-buffered saline, with added glycerol, anti-microbial agents and human proteins. This material must go through extraction, similar to the patient sample.

Material Number: 0505-0126

Positive (Red caps): 5 x 1.5 mL vials
Negative (Clear caps): 5 x 1.5 mL vials

 

STORAGE INSTRUCTIONS
This product should be stored at 2 - 8 °C. Each vial can be used multiple times up until the date of expiry.

 

INSTRUCTIONS FOR USE

Allow the product vial to come to room temperature before use. Mix by vortexing to ensure a homogeneous suspension. AccuPlex reference materials should be added to a test run using the same procedure provided by the manufacturer for unknown specimens. AccuPlex SARS-CoV-2 reference material must go through an extraction process prior to detection by PCR. Process the product according to the instructions for unknown samples provided by the test kit or the laboratory’s standard operating procedures. AccuPlex reference materials must NOT be substituted for the positive and negative control reagents provided with the manufactured test kits.

 

INTERPRETATION OF RESULTS
Levels of reactivity for the AccuPlex SARS-CoV-2 reference material may vary with different types of tests and different test kit lots. This product contains a targeted formulation of 5000 copies/mL as measured using reverse transcription digital PCR. This concentration is roughly five times the lower limit of detection of published real time quantitative PCR assays (1).

Each lot is tested using 2019-nCoVprimers/probes described in US CDC Assay publication and using testing protocol similar to that described in CDC published instructions for use (1): positive reference material vials give positive results and negative reference material vials give negative results.

 

LIMITATIONS OF THE PROCEDURE
AccuPlex SARS-CoV-2 reference material must not be substituted for the control reagents provided with manufactured test kits. Test procedures and interpretation of results provided by manufacturers of test kits must be followed closely. Deviations from procedures recommended by test kit manufacturers may produce unreliable results. AccuPlex materials are not calibrators and should not be used for assay calibration. Performance characteristics for AccuPlex SARS-CoV-2 reference material have been established only for amplified nucleic acid tests for RNA. Adverse shipping and storage conditions or use of outdated product may produce erroneous results.

 

WARNINGS AND PRECAUTIONS
Use Centers for Disease Control (CDC) recommended universal precautions for handling AccuPlex SARS-CoV-2 reference material and human specimens (2).

Do not pipette by mouth; do not smoke, eat or drink in areas where specimens are being handled. Clean any spillage by immediately wiping with 0.5% sodium hypochlorite solution. Dispose of all specimens and materials used in testing as though they contain infectious agents.

 

EXPECTED RESULTS
Specific levels of reactivity will vary among different manufacturers’ assays, different procedures, different lot numbers and different laboratories. Procedures for implementing a quality assurance program and monitoring test performance on a routine basis must be established by each individual laboratory. Each laboratory should establish its own range of acceptable values.


REFERENCES
1. CDC 2019-Novel Coronavirus (2019-nCoV) Real Time RT-PCR Diagnostic Panel Instructions for use.
CDC-006-00019 Revision: 01. Effective 2/4/2020.


2. Siegel JD, Rhinehart E, Jackson M, Chiarello L, and the Healthcare Infection Control Practices Advisory Committee, 2007 Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings.

 

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