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HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)

HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)

    • HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)
    • HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)
  • HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)

    Product Details:

    Place of Origin: China
    Brand Name: SPAN
    Certification: HCG
    Model Number: HCG

    Payment & Shipping Terms:

    Minimum Order Quantity: 500 sheets
    Price: U$1.5/Sheet
    Packaging Details: 30sheets/pouch
    Delivery Time: 5-8 working days
    Payment Terms: T/T, Western Union,Paypal
    Supply Ability: HCG
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    Detailed Product Description
    Specificity: 100%

    HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)

     

    For the rapid detection of human chronic gonadotropin in serum/plasma or urine specimens.

     

    INTENDED USE

    The HCG s/u Gold Rapid Screen Test(RST)is a chromatographic immunoassay for the early detection of human chronic gonadotropin (HCG) in serum/plasma or urine specimens.

     

    INTRODUCTION

    HCG is a glycoprotein hormone secreted by the developing placenta during pregnancy. The concentration of HCG in serum is approximately equal to the concentration in urine. The concentrations of HCG in urine and serum continue to rise during the first trimester of pregnancy to as high as 100,000 mIU/ml. HCG appears in urine shortly after conception, and continues to increase during the early stages of pregnancy, making it an excellent indicator for the detection of pregnancy.

     

    PRINCIPLE

    The membrane of the test device was coated with anti HCG antibodies on the test region and goat anti mouse IgG antibodies on the control region. During the test, urine specimen is allowed to react with the HCG monoclonal antibody-colloid gold conjugate, which was pre-dried on the test strip. The mixture then moves upward on the membrane chromatographically by capillary action. For a positive specimen, the conjugate binds to the HCG forming an antibody-antigen complex. This complex is captured by anti HCG antibody immobilized on the test region (T) and produces a pink color band when HCG concentration is equal to or greater than 25mIU/ml. Absence of this colored band in the test region suggests a negative result. To serve as a procedural control, a colored band at the control region(C) will always appear regardless the presence or absence of HCG.

     

    STORAGE

    The kits should be stored at temperature 4-30°C, the sealed pouch for the duration of the shelf life (24months).

     

    PRECAUTION

    1. For in vitro diagnostic use only.

    2. Do not use after expiration date.

    3. Test device should remain sealed until use.

     

    REAGENTS AND MATERIALS PROVIDED

    1. One pouched cassette with desiccant.

    2. One piece of operating instruction

     

    SPECIMENS COLLECTION

    Plasma

    1.Have a certified phlebotomist collect whole blood into a purple, blue or green top collection tube (containing EDTA, citrate or heparin, respectively) by veinpuncture.

    2.Separate the plasma by centrifugation.

    3.Carefully withdraw the plasma for testing or label and store it at 2-8°C for up to two weeks. Plasma may be frozen at -20°C for up to one year.

    Serum

    1. Have a certified phlebotomist collect whole blood into a red top collection tube (containing no anticoagulants) by veinpuncture.

    2. Allow the blood to clot.

    3. Separate the serum by centrifugation.

    4.Carefully withdraw the serum for testing or label and store it at 2-8°C for up to two weeks. Serum may be frozen at -20°C for up to one year.

    Urine

    1. The urine specimens must be collected in a clean dry container either plastic or glass without preservatives. No centrifugation or filtration of urine is required. Specimens collected at any time may be used. However the first morning urine generally contains the highest concentration of the hormone.

    2. If specimens can not be tested within 3 days of collection, they should be stored refrigerated at 2-8 °C.

     

    ASSAY PROCEDURE

    1. Remove the device from pouch by tearing and label the device with specimen identification.

    2. Add 2-3 drops (70-100ml) of serum/plasma or urine to the sample well.

    3. Observe the result in 5-10 minutes. DO not interpret results after 10 minutes.

     

    INTERPRETATION OF RESULTS

    Negative: Only one colored band appears on the control region (C). No colored band in the test region(T).

     

    HCG Serum/Urine Rapid Test Uncut Sheet(Cassette/Strip/Midstream)

     

    Positive: In addition to the control band (C), a distinct colored band also appears in the test region (T).

    Invalid: If no bands appear, or a test band appears without a control band, the test should be repeated using a new test device.

     

    LIMITATION

    1. The HCG RST is a qualitative assay and is not intended for any use other than for the early detection of pregnancy.

    2. In addition to the normal elevations of HCG produced in pregnancy, a number of conditions including trophoblastic disease, proteinuria, hematuria, choriocarcinoma, ovarian and testicular teratomas cause elevated levels of HCG. These diagnosis should be considered if appropriate to the clinical evidence.

    3. As with all diagnostic tests, a definitive clinical diagnosis should not be based on the results of a single test, but should only be made by the physician after all clinical and laboratory findings have been evaluated.

     

    PERFORMANCE CHARACTERISTIC

    Sensitivity:

    The analytical sensitivity of HCG RST has been set at 25mIU/ml. A urine specimen contains HCG concentrations equal to or greater than 25mIU/ml HCG gives a positive result. The sensitivity was also evaluated by a panel of urine samples spiked with HCG to the concentrations of 0, 25, 50, 100, 500mIU/ml. The results are shown in Table 1.

     

    HCG Concentration (mIU/ml) 0 25 50 100 500
    N = 20 20 20 20 20
    Positive 0 20 20 20 20
    Negative 20 0 0 0 0

     

     

    Specificity:

    Specificity was determined from cross reaction studies with known amounts of Luteinizing Hormone (hLH), Follicle Stimulating Hormone (hFSH) and Thyroid Stimulating Hormone (hTSH). 500mIU/ml hLH, 1000mIU/ml hFSH and 1000mIU/ml hTSH. All gave negative results.

     

    Accuracy:

    A study was performed using a total of 66 randomly selected urine specimens. These specimens were assayed with HCG RST and a similar commercial available qualitative visual pregnancy test. The results indicated a complete agreement (36 positive specimens and 30 negative specimens).

     

    Interference Testing:

    The following substances at certain concentrations do not interfere with the HCG RSTin the assay.

    Acetaminophen 20mg/dl
    Acetysalicylic acid 20mg/dl
    Ascorbic acid 20mg/dl
    Atropine 20mg/dl
    Caffeine 20mg/dl
    Gentisic acid 20mg/dl
    Glucose 2.0g/dl
    Hemoglobin 1.0mg/dl

     

    REFERENCE

    1. Cart, K. J.: J. Clin. Endocrinol.Metab., 1975, 40:537

    2. Brauntein, G. D.: Am. J. Obstet. Gynecol., 1976, 126:678

    3. Batzer, F. R.: Fertility & Sterility, 1980, 34:1

    4. Engvall, E.: Method in Enzymology, 1980, 70:419

    5. Wilcox, A. J.: N.England J. Med., 1988, 319:189

    6. Dawood, M. Y.: Ob. Gyn., 1990, 126:678

     

    Rebecca Yan

     

     

    Product Manager
    Span Biotech Ltd.
    Skype: span.biotech
    Tel: +86(755)89589611
    Fax: +86(755)89580096
    Web:www.spanbio.com

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