VDRL (Venereal Disease Research Laboratory) and RPR (Rapid Plasma Reagin) are both laboratory tests used for screening and diagnosing syphilis.
VDRL (Venereal Disease Research Laboratory) Test: The VDRL test is a screening test for syphilis. It detects the presence of antibodies produced by the body in response to the bacterium Treponema pallidum, which causes syphilis. The test involves mixing the patient's blood serum with a substance that mimics syphilis antigens. If antibodies to syphilis are present, they will react with these antigens, causing visible clumping (agglutination) in the test tube. The VDRL test is often used as an initial screening test, but it may sometimes produce false-positive results or false-negative results, especially in early or late stages of syphilis.
RPR (Rapid Plasma Reagin) Test: The RPR test is another screening test for syphilis that works on a similar principle to the VDRL test. It detects antibodies produced by the body in response to Treponema pallidum. Like the VDRL test, the RPR test involves mixing the patient's blood serum with a substance that contains antigens related to syphilis. If antibodies to syphilis are present, they will react with these antigens, causing visible clumping or agglutination. The RPR test is also used as an initial screening test, and it may produce false-positive or false-negative results in certain situations.
Both the VDRL and RPR tests are commonly used for screening purposes, but they are usually followed up with more specific confirmatory tests, such as the Treponemal test (e.g., FTA-ABS or TP-PA), to confirm the diagnosis of syphilis. These confirmatory tests detect antibodies that specifically target Treponema pallidum, providing more accurate results.
VDRL (Venereal Disease Research Laboratory) is a test used to detect the presence of antibodies produced by the body in response to the bacterium Treponema pallidum, which causes syphilis. The VDRL test is a screening test for syphilis, and it's commonly performed on blood samples.
The VDRL test typically involves mixing a patient's blood serum with a substance that mimics the antigens produced by the bacterium that causes syphilis. If antibodies to syphilis are present in the serum, they will react with these antigens, causing visible clumping (agglutination) in the test tube. The degree of clumping is then assessed visually or with the help of laboratory equipment.
Strip tests for syphilis detection work on similar principles but are often designed for rapid and easy use. These strips contain specific antigens or antibodies that react with the patient's blood sample, producing a visible result that indicates the presence or absence of syphilis antibodies.
The VDRL strip test, like other rapid diagnostic tests, offers quick results, making it valuable for screening purposes, especially in resource-limited settings or where timely diagnosis is critical. However, it's essential to confirm positive results with additional tests, as false positives can occur, especially in populations with low prevalence rates of syphilis.
The RPR test is a non-treponemal serological test used to detect antibodies produced in response to Treponema pallidum, the bacterium that causes syphilis. It's a qualitative test, meaning it gives a positive or negative result. The RPR test is typically performed on serum or plasma obtained from a blood sample.
In the RPR test, the patient's serum or plasma is mixed with a solution containing cardiolipin, lecithin, and cholesterol particles. If the patient's serum contains antibodies against Treponema pallidum, these antibodies will react with the cardiolipin-lecithin-cholesterol particles, causing visible agglutination or clumping.
The RPR card is a specialized card or slide designed to perform the RPR test. It typically contains multiple wells or spots where the serum/plasma sample and the reagent are mixed, allowing for easy observation of agglutination reactions. These cards are convenient for laboratory use, enabling multiple samples to be tested simultaneously and facilitating the interpretation of results.
The RPR test is a non-treponemal serological test used to detect antibodies produced in response to Treponema pallidum, the bacterium that causes syphilis. It's a qualitative test, meaning it gives a positive or negative result. The RPR test is typically performed on serum or plasma obtained from a blood sample.
In the RPR test, the patient's serum or plasma is mixed with a solution containing cardiolipin, lecithin, and cholesterol particles. If the patient's serum contains antibodies against Treponema pallidum, these antibodies will react with the cardiolipin-lecithin-cholesterol particles, causing visible agglutination or clumping.
A "RPR test slide" could refer to a specialized slide or card used to perform the RPR test. This slide likely contains wells or spots where the serum/plasma sample and the reagent are mixed, allowing for easy observation of agglutination reactions.
These test slides are a convenient way to perform the RPR test in a laboratory setting, allowing for multiple samples to be tested simultaneously and facilitating the interpretation of results.
The HCV (Hepatitis C virus) device is a medical tool used to detect the presence of the hepatitis C virus in blood samples. Hepatitis C is a viral infection that primarily affects the liver and can lead to both acute and chronic forms of hepatitis.
Similar to the HbsAg device, the HCV device typically employs immunoassay techniques to detect the presence of antibodies or antigens associated with the hepatitis C virus in the blood sample. These techniques may include enzyme-linked immunosorbent assay (ELISA), chemiluminescent immunoassay (CLIA), or rapid diagnostic tests (RDTs).
The device provides qualitative or quantitative results, indicating whether the virus or its components are present in the sample and sometimes providing information about the viral load, which can help in monitoring the progression of the infection and the effectiveness of treatment.
Effective diagnosis of hepatitis C using such devices is crucial for timely treatment initiation, preventing disease progression, and reducing the risk of transmission to others. Early detection can significantly improve patient outcomes and reduce the burden of hepatitis C-related liver disease.
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The HbsAg (Hepatitis B surface antigen) device is a medical tool designed to detect the presence of the hepatitis B virus surface antigen in blood samples. Hepatitis B is a viral infection that attacks the liver and can cause both acute and chronic disease.
The device typically works by utilizing immunoassay techniques, where antibodies specific to the HbsAg antigen are used to capture and detect the antigen in the blood sample. This detection can be qualitative, indicating whether the antigen is present or not, or quantitative, providing information on the concentration of the antigen in the sample.
These devices play a crucial role in diagnosing hepatitis B infection, screening individuals for the virus, and monitoring patients' response to treatment. Rapid and accurate detection of HbsAg is essential for timely intervention and management of hepatitis B infection to prevent complications and transmission of the virus.
The FactView Vitamin D Rapid Test Device is a diagnostic assay used for the qualitative detection of Vitamin D levels in blood samples. Here's more information about this type of diagnostic test:
Purpose: The test is used for the rapid detection of Vitamin D deficiency or insufficiency. Vitamin D is essential for bone health, immune function, and various other physiological processes in the body.
Principle: The FactView Vitamin D Rapid Test Device is typically an immunochromatographic assay that detects the presence of Vitamin D in a patient's blood sample. The test device contains specific antibodies or receptors that bind to Vitamin D molecules, leading to the formation of visible test lines.
Components: The test kit usually includes test cassettes, sample droppers, buffer solutions, and desiccants. The test cassettes contain pre-coated membranes with specific reagents for capturing Vitamin D molecules.
Procedure: The test procedure involves collecting a small amount of blood from the patient (usually obtained via finger prick) and applying it to the sample well of the test cassette. Buffer solution is then added, allowing the blood sample to migrate along the test strip. Results are typically visible within a few minutes.
Interpretation: The appearance of colored lines on the test strip indicates the presence or absence of Vitamin D in the blood sample. A visible line in the control region indicates that the test is valid. Additional lines in the test region(s) indicate positive results for Vitamin D.
Sensitivity and Specificity: The FactView Vitamin D Rapid Test Device demonstrates sensitivity and specificity for detecting Vitamin D levels within a certain range. However, like all diagnostic tests, false-positive and false-negative results are possible and should be interpreted in conjunction with clinical findings.
Utility: The rapid detection of Vitamin D levels provides valuable information for assessing Vitamin D status, identifying deficiency or insufficiency, and guiding patient management decisions. Vitamin D deficiency is associated with various health problems, including bone disorders, immune dysfunction, and increased risk of certain diseases.
Limitations: While rapid diagnostic tests are useful for Vitamin D screening, they have limitations compared to more accurate laboratory methods such as liquid chromatography-mass spectrometry (LC-MS). Factors such as test sensitivity, specificity, and the influence of interfering substances can affect test performance.
Overall, the FactView Vitamin D Rapid Test Device is a convenient tool for assessing Vitamin D levels, allowing for timely intervention and management of Vitamin D-related health conditions. However, results should be interpreted carefully in conjunction with clinical evaluation and other laboratory tests.
Anti-Syphilis Test is a rapid direct binding test for the visual detection of anti-syphilis antibodies
in serum as an aid in the diagnosis of syphilis infection. Test results are read visually without any
instrument. It is based on the principle of double antigen sandwich immunoassay for determination of syphilis antibodies in serum. Purified recombinant syphilis antigens are employed to identify
anti-Syphilis antibodies specifically. This one step test is very sensitive and only takes about 10 to 20 minutes.
Syphilis Test SPECIMEN COLLECTION
For serum, collect blood into a container without anticoagulant. Allow the blood to clot and separate the serum from the clot. Use the serum for testing. If the specimen cannot be tested on the day of collection, store the serum specimen in a refrigerator or freezer. Bring the specimens to room temperature before testing. Do not freeze and thaw the specimen repeatedly.
Syphilis Test PROCEDURE
Strip
1.When you are ready to begin testing, open the sealed pouch by tearing along the notch. Remove the test from the pouch.
2. Immerse the strip into the container with the arrow end pointing towards the container. Do not immerse past the MAX (maximum) line.
Take the strip out after 8-10 seconds and lay the strip flat on a clean, dry, onabsorbent surface (e.g., mouth of the serum container).
3.Wait 10-15 minutes and read result. Do not read results after 20 minutes.
Cassette
1. Open a pouch containing a cassette, lay the cassette.
2. Using the plastic pipettor provided, draw about 2-3 drops (100mL) the sample into the sample well of the cassette.
3. Read results within 10-15 minutes. Do not read results after 20 minutes.
INTERPRETATION OF RESULTS
Negative: Only one pink band appears on test region of the Cassette. This indicates that there is no detectable Anti-Syphilis in the serum.
Positive: Two pink bands appear on test region of the Cassette. This indicates that the specimen contains detectable amount of Anti-Syphilis.
Invalid: If without colored band appears on test region, this is an indication of a possible error in performing the test. The test should be repeated using a new device.
Syphilis Test PRECAUTION:
1. Must use fresh specimen and avoid repetitive freezing, the result will be invalid
2. Use it before expiry date.
3.The package of kit should not be opened until it reaches the room temperature if it taken out from the refrigerator.
4 .Old Serum can not be used. If the serum is thick, it can be used only after being separated.
Our See Now rapid tests are for in vitro diagnostic of: pregnancy (hCG), fertility (LH), HIV, tumor markers (AFP, PSA), cardiac markers (Troponin), hepatitis,DOA, Syphilis, Gonorrhea and Malaria.
The See Now strips are 50 pieces in a plastic box.
The See Now cassettes are 30 pieces in a plastic box.
Product Details:
Usage/Application Hospital
shelf life 18 months
SD BIOLINE Syphilis 3.0 test is a solid phase immunochromatographic assay for the qualitative detection of antibodies of all isotypes (IgG, IgM, IgA) against Treponema pallidum (TP).
Specimen: Serum, Plasma, Whole Blood
Sample Volume: 10MuL Serum / Plasma and 20MuL Whole blood
Recombinant TP, 15kDa, 17kDa antigens used as captures and detectors
We are a manufacturer specialize in rapid immunoassays for the detection of drugs of abuse, fertility hormones, infectious diseases, and more. We has the most comprehensive family of high-quality key products in cassette, dip strip and midstream format to test urine, serum and whole blood specimens.
Our key products:
1. Hcg pregnancy tests: detect pregnancy as early as 1 day after the first missed period
2. Lh ovulation tests: detect lh surge for predicting ovulation
3. Drugs of abuse tests: detect amp, bar, bup, bzo, coc, ket, met, mdma, mop, mtd, opi, oxy, pcp, ppx, tca or thc
4. Infectious diseases tests: aid in the detection of hbsag, hbsab, hbeab, hbeag, hbcab, hbv, hcv, hiv, h. Pylori, malaria p.F., tb, dengue, chlamydia and syphilis
5. Tumor marker tests: aid in the detection of fob, psa, afp and cea
We offers a variety of services to the medical device industry, including contract product development, technology transfer, oem services, custom assembly, and packaging with private labeling.
We can provide various infectious diseases test kits as listed.
Product name
Cat. No.
Specimen
Packing
Chlamydia Rapid Test Device
ICH-502
Swab/urine
Cassette: 10 or 40pcs/box or Customized
HBsAg One Step Hepatitis B Surface Antigen Test Device
IHBsg-302
Serum/plasma
Cassette: 10 or 40pcs/box or Customized
HBsAg Hepatitis B Surface Antigen Rapid Test Device
IHBsg-402
Whole blood/serum/plasma
Cassette: 10 or 40pcs/box or Customized
HBsAg One Step Ultra Hepatitis B Surface Antigen Test Device
IHBsg-302U
Serum/plasma
Cassette: 10 or 40pcs/box or Customized
HCV Hepatitis C Virus Rapid Test Device
IHC-302
Serum/plasma
Cassette: 10 or 40pcs/box or Customized
HCV Hepatitis C Virus Rapid Test Device
IHC-402
Whole blood/serum/plasma
Cassette: 10 or 40pcs/box or Customized
HIV 1/2 Antibody Rapid Test Device
IHI-402
Whole blood/serum/plasma
Cassette: 10 or 40pcs/box or Customized
H. Pylori Antigen Rapid Test Device
IHPg-602
Feces
Cassette: 10 or 40pcs/box or Customized
H. Pylori Antibody Rapid Test Device
IHPb-602
Serum/plasma
Cassette: 10 or 40pcs/box or Customized
Syphilis Ultra Rapid Test Device
ISY-402U
Whole blood/serum/plasma
Cassette: 10 or 40pcs/box or Customized
Dengue Fever Rapid Test Device
IDE-402
Whole blood/serum/plasma
Cassette: 10 or 40pcs/box or Customized
Malaria P. f. /P. v. Rapid Test Device
IMA-422
Whole blood
Cassette: 10 or 40pcs/box or Customized
Assay+ Syphilis ntibody rapid test is manufactured in Canada to detect specific syphilis IgG for the healthcare providers. Assay+ syphilis Rapid Test Kit is qualitative test device for syphilis antibodies from human serum or plasma,. This device has been OEM over one million for our customers.
Sensitivity over 95% syphilis infected patients, and 100% specificity have been proved used by our customers in large quantity.
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