Anti-TB- IgG Reagent – Jaj International
৳20,000.00 ৳18,200.00
Number of Test: 50 Test
Origin: Spain
Brand : Cromatest / Linear
Category: Laboratory
Subcategory: No Subcategory
The LINEAR HBsAg cassette is a lateral flow chromatographic immunoassay for the qualitative detection of Hepatitis B surface antigen (HBsAg) in human serum or plasma at the level equal to or higher than 1 ng/ml. It is intended to be used as a screening test and as an aid in the diagnosis of infection with Hepatitis B virus (HBV). Any reactive specimen with the HBsAg cassette must be confirmed with alternative testing method(s) and clinical findings.
The LINEAR HBsAg cassette detects HBsAg through visual interpretation of color development on the internal strip. Anti- HBsAg antibodies are immobilized on the test region of the membrane. During testing, the specimen reacts with anti-HBsAg antibodies conjugated to colored particles and pre-coated onto the sample pad of the test. The mixture then migrates through the membrane by capillary action, and interacts with reagents on the membrane. If there is enough HBsAg in the specimen, a colored band will form at the test region of the membrane. The presence of this colored band indicates a positive result, while its absence indicates a negative result. The appearance of a colored band at the control region serves as a procedural control, indicating that the proper volume of specimen has been added and membrane wicking has occurred.
HBsAg test device, contains protein A and anti-HBsAg antigen coated on the membrane.
Store at 2-30ºC. The test cassette is stable through the expiration date printed on the sealed pouch. The test cassette must remain in the sealed pouch until use. DO NOT FREEZE. Do not use beyond the expiration date or devices with damaged pouch. Care should be taken to protect the components of the kit from contamination.
Controls: Presence of particles and turbidity
Allow test device, serum or plasma specimen, and/or controls to equilibrate to room temperature (15-30°C) prior to testing.
Avoid trapping air bubbles in the specimen well (S), and do not add any solution to the result window.
Do not read result after 20 minutes. To avoid confusion, discard the test device after interpreting the result.
POSITIVE: * Two distinct red lines appear. Two colored bands appear on the membrane. One band appears in the control region (C) and another band appears in the test region (T).
NEGATIVE: Only one colored band appears, in the control region (C). No apparent colored band appears in the test region (T).
INVALID: Control line fails to appear. Results from any test which has not produced a control band at the specified read time must be discarded. Please review the procedure and repeat with a new test. If the problem persists, discontinue using the kit immediately and contact your local distributor
An internal procedural control is included in the test. A colored line appearing in the control region (C) is considered an internal positive procedural control. It confirms sufficient specimen volume and correct procedural technique.
External controls are not supplied with this kit. It is recommended that positive and negative controls should be tested as a good laboratory practice to confirm the test procedure and to verify proper test performance. Handle the negative and positive controls in the same manner as patient specimens.
Hepatitis B virus (HBV) is the prototypic member of the hepadnaviruses. Hepatitis B surface antigen (HBsAg) is located in the lipid envelope of this small DNA virus. During the replicative phase of the virus, this surface antigen is produced in excess and is detectable in the blood of the infected. The incubation period of HBV is 6 weeks to 6 months
| HBsAg ELISA | Positive | Negative | Total |
| Positive | 97 | 0 | 97 |
| Negative | 0 | 463 | 463 |
| Total | 97 | 463 | 560 |
| Dengue Positive Serum | 10 | Negative |
| HAV Positive Serum | 10 | Negative |
| HCV Positive Serum | 10 | Negative |
| HIV Positive Serum | 10 | Negative |
| Syphilis Positive Serum | 10 | Negative |
| TB Positive Serum | 10 | Negative |
| H. pylori Positive Serum | 10 | Negative |
| ANA Positive Serum | 6 | Negative |
| HAMA Positive Serum | 4 | Negative |
| RF Positive Serum (≤2,500 IU/ml) | 3 | Negative |
| Potential Interfering Substances Spiked | HB | sAg Reactiv | ity | |||
| Negative | Weak | Positive | Medium | Positive | ||
| Control | – | + | ++ | |||
| Bilirubin 20 mg/dL | – | + | ++ | |||
| Creatinine 442 µmol/L | – | + | ++ | |||
| Glucose 55 mmol/L | – | + | ++ | |||
| Albumin 50 g/L | – | + | ++ | |||
| Salicylic Acid 4.34 mmol/L | – | + | ++ | |||
| Heparin 3,000 U/L | – | + | ++ | |||
| EDTA 3.4 µmol/L | – | + | ++ | |||
| Human IgG 1,000mg/dL | – | + | ++ | |||
| Sodium citrate 3.8% | – | + | ++ |
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account number: 0290930920339
number : 0932920239039
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