Astam Diagnostics

Advanced 4th Gen HIV 1 & HIV 2 ELISA by Astam Diagnostics

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Introduction

The early diagnosis of HIV infection is at the center of patient management, treatment success, and societal health. Antibody tests for H  IV had been the most commonly used method of testing for many years and were resulting in missed early-stage infections because of the long-window periods. The 4th Generation HIV 1 & HIV 2 ELISA has come into the picture, and with it, the diagnostic accuracy and early detection of infections have gone hand in hand. This generation of ELISA tests is capable of spotting HIV cases much sooner than through the older methods and has become the favored option among laboratories, hospitals, and blood banks.

Astam Diagnostics Pvt. Ltd., one of the reliable manufacturers of diagnostic kits and medical devices, has put on the market a super dependable Pratham 4th Gen HIV 1 & 2 ELISA kit that is meant for flawless execution in gauging large and small-scale HIV testing.

What is the 4th Generation HIV ELISA?

The Pratham 4th Gen HIV 1 & HIV 2 ELISA is a state-of-the-art enzyme-based immunoassay that is able to determine the presence of both :

  • HIV-1 and HIV-2 antibodies (IgG, IgM, and IgA)

  • HIV-1 p24 antigen

The major benefit of Pratham 4th Gen tests is that they can combine detection of both antigens and antibodies which helps in giving a much shorter diagnosis period than the older ones and thus the p24 antigen which is a marker of acute infection often appears within 2-3 weeks after infection. The combined detection of antigen and antibodies helps the Pratham 4th Gen ELISA test to identify acute HIV infections that otherwise would have been missed by the older tests.

The test is suitable for human serum and plasma, hence its usage is not a problem in the standard laboratory workflow.

Why Early p24 Antigen Detection Matters

HIV p24 antigen presence in the bloodstream indicates the very beginning of the viral replication process. Detection of this antigen is very important due to the following reasons :

  • Acute HIV infection is the period of maximum transmissibility, and thus, early detection has a significant impact on the reduction of new infections.

  • Quiet but effective antiretroviral therapy will lead to better health over the long run.

  • Recently infected individuals can be diagnosed by doctors even before the presence of antibodies.

  • Blood transfusions are safe, since the early infected persons are most likely to be not diagnosed.

The Pratham 4th Generation ELISA test completes the diagnostic picture by detecting the antigen and antibody phases of infection.

How the Test Works

The ELISA procedure is simple, albeit with very sophisticated underlying biochemistry, and it is done in such a way as to be consistent :

  1. Sample Addition
    Blood serum or plasma from the patient is introduced into the wells of the microplate where HIV antigens and anti-p24 antibodies are already attached.

  2. Binding Phase
    If HIV antibodies or the p24 antigen are there, they will stick to the coated parts.

  3. Enzyme Conjugate Reaction
    A conjugate will attach the antigen-antibody complexes.

  4. Color Development
    A substrate gets added, and a positive sample will show a color change.

  5. Result Measurement
    An ELISA reader will measure the color intensity and the results will be interpreted according to the cut-off values.

The robustness and reproducibility of the assay make Pratham kit a preferred option for high-volume screening.

Key Features of Pratham 4th Gen HIV ELISA

Pratham has a very good quality ELISA kit which is made for precision, dependability, and user-friendliness. The major features are :

  • The detection of HIV-1 p24 antigen and all classes of HIV antibodies (IgG, IgM, IgA)

  • Both the sensitivity and specificity are very high, about 99% respectively

  • Specimen type : Human serum or plasma

  • Pack size of 96 tests per kit, which is very convenient for labs and blood banks

  • Reliable performance for early and late-stage infection detection

These features ensure that the Pratham kit performs effectively in routine screening, surveillance programs, and diagnostic workflows.

Why 4th Gen ELISA Is Superior to Older HIV Tests

Early detection of HIV tests (1st, 2nd, and even 3rd Generation) was only based on the presence of antibodies, which normally appear after weeks of infection. This drawback of the traditional methods led to early infections being missed more often.

The Pratham 4th Gen ELISA’s major advantages include:

  • Shorter window period

  • Early detection through the p24 antigen

  • Improved blood transfusion safety

  • Accurate identification of HIV-1 and HIV-2

  • Higher sensitivity and specificity

The above-mentioned advantages turn the Pratham 4th Gen test into a product of great worth for rare cases of emergency screening, pre-surgical testing, and large-scale HIV control programs.

Applications in Healthcare and Public Health

The Pratham 4th Generation HIV ELISA tests are in healthcare and public health markets :

  • Blood banks to safeguard against transfusion-transmitted infections

  • Hospitals and diagnostic laboratories for regular HIV screening

  • Public health programs that monitor infection rates and make early interventions

  • Early clinical diagnosis especially for symptomatic patients who resemble acute HIV infection.

Astam Diagnostics: Committed to Reliable HIV Testing

Astam Diagnostics Pvt. Ltd. is committed to offering diagnostic solutions of the best possible quality that are scientifically based and made in precision. With our Pratham 4th Gen HIV 1 & HIV 2 ELISA kit we exhibit our dedication to :

  • Precision and clinical trustworthiness.

  • Uneven batch quality control.

  • Simple lab procedure.

  • Facilitating early treatment and hence better patient outcomes.

Conclusion

The Pratham 4th Generation HIV 1 & HIV 2 ELISA test has resulted in the complete and accurate identification of both p24 antigen and HIV antibodies. The detection window has been significantly reduced, and the test’s sensitivity is unmatched, hence it is considered the gold standard for HIV testing in both clinical and public health settings.

Astam Diagnostics is proud to support healthcare professionals with dependable diagnostic tools designed to strengthen early detection, improve patient care, and enhance public health safety.

📞 Phone : +011-45661377
📧 Email : info@astamdiagno.combd@astamdiagno.com
🌐 Website : www.astamdiagno.com

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