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Correction: Harmanci et al. Production of 3D Printed Bi-Layer and Tri-Layer Sandwich Scaffolds with Polycaprolactone and Poly (vinyl alcohol)-Metformin towards Diabetic Wound Healing. <i>Polymers</i> 2022, <i>14</i>, 5306.

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Updated: Nov 26, 2025

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Evaluation of current diagnostic methods for COVID-19.

Saadet Alpdagtas, Elif Ilhan, Ebru Uysal

    APL Bioengineering
    |December 11, 2020
    PubMed
    Summary

    Accurate and rapid COVID-19 diagnosis is crucial for pandemic control. This review compares molecular, immunoassay, and sensor-based diagnostic methods, evaluating their pros, cons, and future potential for effective Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection.

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    Area of Science:

    • Medical Diagnostics
    • Virology
    • Public Health

    Background:

    • Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19, a highly contagious disease leading to severe respiratory and multi-organ issues.
    • The rapid global spread of SARS-CoV-2 necessitates urgent development of accessible, accurate, and fast diagnostic tools.
    • Current diagnostic methods for COVID-19, while varied, require further innovation for enhanced sensitivity and specificity.

    Purpose of the Study:

    • To provide a comprehensive overview and comparison of existing diagnostic techniques for COVID-19.
    • To evaluate the advantages and disadvantages of molecular, immunoassay, and sensor-based diagnostic methods.
    • To discuss future perspectives and novel approaches for sensitive and specific COVID-19 diagnosis.

    Main Methods:

    • Review of multiple reports and commercially available diagnostic kits for COVID-19.
    • Comparison of molecular assays (e.g., real-time PCR), immunoassays (e.g., ELISA, rapid tests), and sensor-based methods.
    • Analysis of diagnostic performance, including sensitivity, specificity, speed, and cost-effectiveness.

    Main Results:

    • Various diagnostic methods exist, including nucleic acid-based, antigen/antibody-based immunoassays, and electrochemical sensors.
    • Each method presents unique advantages and limitations regarding accuracy, speed, cost, and accessibility.
    • Ongoing research aims to improve existing techniques and develop novel approaches for superior COVID-19 detection.

    Conclusions:

    • No single diagnostic method is universally superior; the choice depends on clinical context and resource availability.
    • Further development is essential to enhance the sensitivity, specificity, and accessibility of COVID-19 diagnostics.
    • Innovative diagnostic strategies are critical for effective control and prevention of the COVID-19 pandemic.