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The TECHLAB® TRI-COMBO PARASITE SCREEN test is an enzyme immunoassay for the simultaneous qualitative detection of Giardia spp., Cryptosporidium spp. and/or E. histolytica antigen in human fecal specimens. The test is indicated as an aid in the diagnosis of gastrointestinal infection when giardiasis, cryptosporidiosis and amebiasis is suspected. The test does not differentiate between the three parasites and follow-up testing is required for all positive results to confirm the specific diagnosis.

The TRI-COMBO PARASITE SCREEN test is an enzyme immunoassay for the simultaneous qualitative detection of Giardia spp., Cryptosporidium spp. and/or E. histolytica antigen in human fecal specimens. The test uses monoclonal and polyclonal antibodies to cell-surface antigens of Giardia, Cryptosporidium and E. histolytica. The microassay plate in the kit contains immobilized monoclonal antibodies against the antigens, and the Conjugate consists of polyclonal antibodies against the antigens. In the assay, an aliquot of a diluted fecal specimen is transferred to a microassay well. The immobilized monoclonal antibodies bind the Giardia, Cryptosporidium and/or E. histolytica antigens if they are present. Upon addition, Conjugate then binds to the antigen/ antibody complex. Any unbound materials are removed during the washing steps. Following the addition of Substrate, a color is detected due to the enzyme-antibody-antigen complexes that formed in the presence of antigens and conjugate.

The TECHLAB® E. HISTOLYTICA QUIK CHEK™ test is a rapid membrane enzyme immunoassay for the qualitative detection of adhesin from Entamoeba histolytica in a single use cassette. It is intended for use with human fecal specimens from patients with diarrhea or dysentery as an aid in the diagnosis of E. histolytica gastrointestinal infection. Test results should be considered in conjunction with patient history. FOR IN VITRO DIAGNOSTIC USE

The E. HISTOLYTICA QUIK CHEK™ test uses antibodies to adhesin. The device contains a Reaction Window with two vertical lines of immobilized antibodies. The test line ("T") contains monoclonal antibodies specific for E. histolytica adhesin. The control line ("C") contains antibodies to horseradish peroxidase (HRP). The Conjugate consists of polyclonal antibodies to E. histolytica adhesin coupled to horseradish peroxidase. To perform the test, the sample is added to a tube containing a mixture of Diluent and Conjugate. The diluted sample-conjugate mixture is added to the Sample Well and the device is allowed to incubate at room temperature for 15 minutes. During the incubation, E. histolytica adhesin in the samples bind to the antibodyperoxidase conjugate. The antigen-antibody complexes migrate through a filter pad to a membrane where they are captured by the immobilized antibodies in the Reaction Window is subsequently washed with Wash Buffer, and the test is developed with the addition of Substrate. After a 10 minute incubation period, the "T" reaction is examined visually for the appearance of a vertical blue line on the "T" side of the Reaction Window. A blue line indicates a positive test. A positive "C" reaction, indicated by a vertical blue line on the "C" side of the Reaction Window, monitors/confirms that the sample and reagents were added correctly, the reagents were active at the time of performing the assay, and that the sample migrated properly through the Membrane Device. It also confirms the reactivity of the other reagents associated with the assay.

Trinity Biotech Uni-Gold™ Giardia is a single use rapid immunoassay for the qualitative detection of Giardia lamblia ( G. lamblia ) antigens in human stool specimens. This test is intended for use with patients with gastrointestinal symptoms as an aid in the diagnosis of suspected Giardia gastrointestinal infections. As with other Giardia tests, results should be considered in conjunction with the clinical evaluation and medical history. For In-Vitro Diagnostic use.

The Trinity Biotech Uni-Gold™ Giardia was designed as a single use, rapid, lateral flow immunoassay test device to detect the presence of Giardia lamblia antigen in unpreserved (fresh & frozen), preserved and media containing human stool specimens. The Trinity Biotech Uni-Gold™ Giardia test strip (5mm x 60mm) combines a Nitrocellulose Membrane with designated fiber pads (conjugate, sample and absorbant). The test strip is then placed into a plastic housing and is sealed constituting the Test Device. The Giardia Nitrocellulose Membrane Test Strip - above consist of - A) Mouse anti-Giardia lamblia antibody is coated onto the Test Line region of the test strip. - B) Rabbit anti-Goat IgG antibody is coated onto the Control Line region of the Test Strip. - C) Goat anti- Giardia lamblia antibodies and Goat IgG antibodies are conjugated to red latex particles and dried onto the inert glass fiber (Conjugate Pad) which is inserted into the test strip below the nitrocellulose zone. When Giardia antigens are present in the sample they combine with the antibody/red latex complex. As the complex migrates it binds to the antibodies in the test region forming a visible pink/red band. (Picture B) This forms the basis for the double antibody sandwich assay. Excess conjugate forms a second pink/red band in the control region of the device. The control line should always appear as a visible pink/red band in the control region of the device. This internal control line is to ensure and indicate that the test device is functioning correctly. The plastic housing device contains a window where the diluted stool sample is added (Sample Well) and a window above where the results are read in 15 minutes. The test concept: Mouse anti-Giardia lamblia is coated onto the test line region of the nitrocellulose zone of the test strip. Rabbit anti- Goat IgG is coated onto the control line region. Goat anti-Giardia lamblia antibodies are conjugated to red latex particles and dried onto inert glass fiber. This is inserted into the test strip below the nitrocellulose zone. A buffered solution is added to a dilution tube followed by the addition of the stool specimen (2 drops) via a disposable pipette. This mixture is then dispensed in total into the sample well of the lateral flow cartridge device with a dropper pipette and migrates through a pad containing red microspheres that have been coated with a antibody specific for the Giardia antigen. If the antigen is present, an immune complex forms. The migration continues along the membrane, which contains a striped down anti Giardia capture antibody. If Giardia antigen is present, the immune complex reacts with the anti-Giardia antibody at the test line on the membrane. Thus Giardia antigens present in the sample combine with the antibody/red latex. As this complex migrates it binds to the antibodies in the test region forming a visible pink/red band. Excess conjugate forms a second pink/red band in the control region of the device. The control line should always appear as a visible pink/red band in the control region of the device to indicate that the test device is functioning correctly.

Trinity Biotech Uni-Gold™ Cryptosporidium is a single use rapid immunoassay for the qualitative detection of Cryptosporidium parvum (C. parvum) antigens in human stool specimens. This test is intended for use with patients with gastrointestinal symptoms as an aid in the diagnosis of suspected Cryptosporidium gastrointestinal infections. As with other Cryptosporidium tests, results should be considered in conjunction with the clinical evaluation and medical history. For In-Vitro Diagnostic use.

The Trinity Biotech Uni-Gold™ Cryptosporidium Test was designed as a single use, rapid, lateral flow immunoassay to detect the presence of Cryptosporidium parvum antigen in unpreserved (fresh & frozen), preserved, and media containing human stool specimens. The Trinity Biotech Uni-Gold™ Cryptosporidium test strip (5mm x 60mm) combines a nitrocellulose membrane with designated fiber pads (conjugate, sample and absorbant). The test strip is then placed into a plastic housing and is sealed constituting the Test Device.

The GIARDIA/CRYPTOSPORIDIUM QUIK CHEK™ test is a rapid membrane enzyme immunoassay for the simultaneous qualitative detection and differentiation of Giardia cyst antiqen and Cryptosporidium oocyst antigen in a single test device. It is intended for use with human fecal specimens from patients with gastrointestinal symptoms to aid in the diagnosis of Giardia and/or Cryptosporidium gastrointestinal infection. The test results should be considered in conjunction with the patient history.

The GIARDIA/CRYPTOSPORIDIUM QUIK CHEK™ test is a rapid membrane immunoassay for the simultaneous detection of Giardia cyst antigen and Cryptosporidium occyst antigen in a single test device. It is performed with a 25 to 30-minute total incubation time. The GIARDIA/CRYPTOSPORIDIUM QUIK CHEK™ test uses monoclonal and polyclonal antibodies to cell-surface antigens of the device contains a Reaction Window with three vertical lines of immobilized antibodies. The Giardia test line ("Giar") contains mouse monoclonal antibodies against Giardia. The Crypto test line ("Cryp") contains mouse monoclonal antibodies against Cryptosporidium. The control line ("C") is a dotted line that contains anti-horseradish peroxidase (HRP) antibodies. The Conjugate consists of polyclonal antibodies coupled to horseradish peroxidase. To perform the test, the sample is added to a tube containing a mixture of Diluent and Conjugate. The diluted sample-conjugate mixture is added to the Sample Well and the device is allowed to incubate at room temperature for 15 minutes. During the incubation, cyst antigens in the sample bind the antibody-peroxidase conjuqates. The antigen-antibody-conjugate complexes migrate through a filter pad to a membrane where they are captured by the immobilized Giardia and/or Cryptosporidium-specific antibodies in the test lines. The Reaction Window is subsequently washed with Wash Buffer, followed by the addition of Substrate. After a 10 minute incubation period, the reaction is examined visually for the appearance of a vertical blue line on either side of the Reaction Window. A blue line indicates a positive "control" reaction, indicated by a vertical dotted blue line under the "C" portion of the Reaction Window. confirms that the test is working properly and the results are valid.

The IVD Research, Inc. Giardia Fecal Antigen Detection Lateral Flow Kit is a qualitative immunoassay for the detection of Giardia antigens in preserved and unpreserved human fecal specimens. This test is indicated as an aid in the clinical laboratory diagnosis of suspected Giardia infections. For in vitro diagnostic use.

The IVD Research, Inc. Giardia Fecal Antigen Detection Lateral Flow Kit is an immunochromatographic assay for the detection of Giardia lamblia antigen in human fecal samples. The test uses sample wicking to capture Giardia antigen on a discrete test line containing antibodies specific for Giardia antigen. A specimen is added to a dilution tube and mixed with a buffer solution. The mixture is dispensed into the sample well of the device which resolubilizes the Giardia specific mouse monoclonal antibody that has been conjugated to colored microparticles. This solution wicks along a membrane containing capture antibodies bound to the membrane at the Test and Control lines. The Giardia immune complex, if present, reacts with antibody at the Test line. Unbound conjugate not captured at the test line is captured at the Control line containing anti-mouse antibody. If Giardia antigens are present in the fecal sample, two pink-to-purple bands (one at the Sample line and one at the Control line) will appear in the test window. If no Giardia antigen is present, or if the level of antigen is below the detection limit of the assay, only one pink-to-purple band at the Control line will appear in the test window. For the test to be valid, a pink-to-purple band must always appear at the Control line position of the device test window regardless of whether the sample is positive or negative. This Control line indicates that the test is working properly.

The GIARDIA/CRYPTOSPORIDIUM CHEK™ test is an enzyme immunoassay for the qualitative detection of Giardia cyst and Cryptosporidium oocyst antigen in human fecal specimens. It is indicated for use as an aid in the diagnosis of patients with diarrhea suspected of Giardia and/or Cryptosporidium gastrointestinal infections.

The GIARDIA/CRYPTOSPORIDIUM CHEK™ test uses monoclonal and polyclonal antibodies to cell-surface antigens of Giardia and an oocyst antigen of Cryptosporidium. The Microassay Plate in the kit contains immobilized monoclonal antibodies against the antigens and the Conjugate consists of polyclonal antibodies against the antigens. In the assay, an aliquot of a diluted fecal specimen is transferred to a microassay well. The immobilized monoclonal antibodies bind the Giardia and Cryptosporidium antigens if the antigens are present. Upon addition, Conjugate then binds to the antigen/antibody complex. Any unbound materials are removed during the washing steps. Following the addition of substrate, a color is detected due to the enzyme-antibody-antigen complexes that formed in the presence of Giardia or Cryptosporidium antigens and Conjugate.

The CRYPTOSPORIDIUM II test is an enzyme immunoassay for the qualitative detection of Cryptosporidium oocyst antigen in human fecal specimens. It is indicated for use as an aid in the diagnosis of patients with diarrhea suspected of Cryptosporidium gastrointestinal infection. FOR IN VITRO DIAGNOSTIC USE.

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REMEL's Xpect™ Giardia kit is an in vitro qualitative immunoassay for the detection of Giardia antigens in preserved and unpreserved fecal specimens. This test is intended as an aid in the laboratory diagnosis of suspected Giardia infections.

The Xpect™ Giardia Lateral Flow Assay is a chromatographic immunoassay that detects the presence of Giardia antigen. The test utilizes sample wicking to capture Giardia antigen on a discrete test line containing antigen-specific antibodies for Giardia. A specimen is added to a dilution tube containing a buffered solution. A conjugate containing colored micro-particles linked to murine monoclonal antibody specific for Giardia is added. The mixture is dispensed into the sample well of the device and wicks along a membrane containing capture antibody stripes. The Giardia immune complex, if present, reacts with anti- Giardia antibody at the test line. Antibody-labeled microparticles not bound at the test line are later captured at the control line containing anti-mouse antibody. A blue line of any intensity (light blue to black) will appear at the Giardia test position if Giardia antigen is present. A complete line at the Control position indicates that the test is working properly.

REMEL's Xpect™ Cryptosporidium kit is an in vitro qualitative immunoassay for the detection of Cryptosporidium antigens in preserved and unpreserved fecal specimens. This test is intended as an aid in the laboratory diagnosis of suspected Cryptosporidium infections.

The Xpect™ Cryptosporidium Lateral Flow Assay is a chromatographic immunoassay that detects the presence of Cryptosporidium antigen. The test utilizes sample wicking to capture Cryptosporidium antigen on a test line containing antigen-specific antibody. A specimen is added to a dilution tube containing a buffered solution. A conjugate containing colored micro-particles linked to murine monoclonal antibody specific for Cryptosporidium is added. The mixture is dispensed into the sample well of the device and wicks along a membrane containing capture antibody stripes. The Cryptosporidium immune complex, if present, reacts with anti-Cryptosporidium antibody at the test line. Conjugate not bound at the test line is later captured at the control line containing anti-mouse antibody. A red line of any intensity will appear at the Cryptosporidium test position if Cryptosporidium antigen is present. A line in the Control position indicates that the test is working properly.