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One step High Accuracy Chlamydia Rapid Diagnostic test Cassette ,
gold colloidal method, easily and quick
Accessories:
Test tubes
Dropper tips
Sterile polyester tipped applicator
(Sterile female cervical swabs)
Reagent A
Reagent B
Workstation
Package insert
Intended Use:
The Chlamydia Rapid Test Device is a rapid chromatographic
immunoassay for the qualitative detection of Chlamydia trachomatis
in clinical specimens to aid in the diagnosis of Chlamydia
infection.
Test Principle:
The Chlamydia Rapid Test Device is a qualitative, lateral flow
immunoassay for the detection of Chlamydia antigen from clinical
specimens.
In this test, antibody specific to the Chlamydia antigen is coated
on the test line region of the strip. During testing, the extracted
antigen solution reacts with an antibody to Chlamydia that is
coated onto particles. The mixture migrates up to react with the
antibody to Chlamydia on the membrane and generate a red line in
the test region. The presence of this red line in the test region
indicates a positive result, while its absence indicates a negative
result. To serve as a procedural control, a red line will always
appear in the control region indicating that proper volume of
specimen has been added and membrane wicking has occurred.
TEST PROCEDURE
Allow the test device, specimen, reagents, and/or controls to reach
room temperature prior to testing.
Remove the test device from the sealed foil pouch and use it as
soon as possible. Best results will be obtained if the test is
performed immediately after opening the foil pouch.
2. Extract the Chlamydia antigen:
For Female Cervical or Male Urethral Swab Specimens:
(1) Hold the Reagent A bottle vertically and add 5 full drops of
Reagent A (approximately 300 µL) to the extraction tube(See
illustration ①). Reagent A is colorless. Immediately insert the
swab, compress the bottom of the tube and rotate the swab 15 times.
Let stand for 2 minutes. (See illustration ②)
(2) Hold the Reagent B bottle vertically and add 6 full drops
Reagent B (approximately 250ul) to the extraction tube. (See
illustration ③) Reagent B is pale yellow. The solution will turn
cloudy. Compress the bottom of tube and rotate the swab 15 times
until the solution turns to a clear color with a slight green or
blue tint. If the swab is bloody, the color will turn yellow or
brown. Let stand for 1 minute. (See illustration ④)
(3) Press the swab against the side of the tube and withdraw the
swab while squeezing the tube. (See illustration ⑤).Keep as much
liquid in the tube as possible. Fit the dropper tip on top of the
extraction tube. (See illustration ⑥)
For Male Urine Specimens:
(1)Hold the Reagent B bottle vertically and add 6 full drops
Reagent B (approximately 250ul) to the urine pellet in the
centrifuge tube, then shake the tube vigorously mix until the
suspension is homogeneous.
(2)Transfer all the solution in the centrifuge tube to an
extraction tube. Let stand for 1 minute. Hold the Reagent A bottle
upright and add 5 full drops of Reagent A (approximately 300 µL)
then add to the extraction tube. Vortex or tap the bottom of the
tube to mix the solution. Let stand for 2 minutes.
(3) Fit the dropper tip on top of the extraction tube.
Place the test device on a clean and level surface. Add 3 full
drops of extracted solution (approximately 100 µL) to the specimen
well (S) of the test device, then start the timer. Avoid trapping
air bubbles in the specimen well (S).
Wait for the red line(s) to appear. Read the result at 10 minutes.
Do not read the result after 20 minutes.
INTERPRETATION OF RESULTS
POSITIVE:* Two 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).
*NOTE: The intensity of the color in the test line region (T) will
vary depending on the concentration of TP antibodies present in the
specimen. Therefore, any shade of color in the test line region (T)
should be considered positive.
NEGATIVE: One colored line appears in the control line region (C). No line
appears in the test line region (T).
INVALID: Control line 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. If the problem persists, discontinue using the test kit
immediately and contact your local distributor.
PERFORMANCE CHARACTERS:
Sensitivity
The Chlamydia Rapid Test Device has been evaluated with Chlamydia
infected cells and specimens obtained from patients of STD clinics.
The Chlamydia Rapid Test Device can detect 106org/mL Chlamydia
infected cells. PCR is used as the reference method for the
Chlamydia Rapid Test Device. Specimens were considered positive if
PCR indicated a positive result. Specimens were considered negative
if PCR indicated a negative result. The results show that Chlamydia
Rapid Test Device has a high sensitivity relative to PCR.
Specificity
The Chlamydia Rapid Test Device uses an antibody that is highly
specific for Chlamydia antigen in specimens. The results show the
Chlamydia Rapid Test Device has a high specificity relative to PCR.
For Female Cervical Swab Specimens:
Method | PCR | Total Results | |||
Chlamydia Rapid | Results | Positive | Negative | RelativeSensitivity:87.5% | |
Positive | 35 | 3 | 38 | RelativeSpecificity:96.5% | |
Negative | 5 | 83 | 88 | RelativeAccuracy:93.7% | |
Total Results | 40 | 86 | 126 |
For Male Urethral Swab Specimens:
Method | PCR | Total Results | |||
Chlamydia Rapid | Results | Positive | Negative | RelativeSensitivity:82.7% | |
Positive | 43 | 6 | 49 | Relativespecificity:93.9% | |
Negative | 9 | 93 | 102 | RelativeAccuracy:90.1% | |
Total Results | 52 | 99 | 151 |
For Male Urine Specimens:
Method | PCR | Total Results | |||||
Chlamydia Rapid | Results | Positive | Negative | RelativeSensitivity:87.5% | |||
Positive | 21 | 1 | 22 | RelativeSpecificity: 98.0% | |||
Negative | 3 | 50 | 53 | Relative Accuracy: 94.7% | |||
Total Results | 24 | 51 | 75 |
NOTE: Insufficient specimen volume or incorrect procedural techniques
are the most likely reasons for the control line failure. Review
the procedure and repeat the test with a new device. If problem
persists, please contact your local distributor.
ORIENT NEW LIFE MEDICAL CO., LTD. | |
Contact: | Jerry Meng |
Email: | Jerry @ newlifebiotest .com |
Tel. | +86 18657312116 |
SKYPE | enetjerry |