Full factorial designs of experiments to optimize an ELISA that detects SARS-CoV-2 anti-RBD antibodies in breast milk: ELISA that detects SARS-CoV-2 anti-RBD antibodies in breast milk
The full factorial design of experiments has been used infrequently to optimize immunoassays, despite its advantages in saving time and resources and its reliable results. The objective of this work was to optimize an ELISA, which detects SARS-CoV-2 RBD-specific IgA antibodies, by applying complete...
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| Hoofdauteurs: | , , , , , , , |
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| Formaat: | Online |
| Taal: | spa |
| Gepubliceerd in: |
Universidad de Sonora
2023
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| Online toegang: | https://biotecnia.unison.mx/index.php/biotecnia/article/view/2012 |
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| Samenvatting: | The full factorial design of experiments has been used infrequently to optimize immunoassays, despite its advantages in saving time and resources and its reliable results. The objective of this work was to optimize an ELISA, which detects SARS-CoV-2 RBD-specific IgA antibodies, by applying complete factorial experiments in various steps of the assay. The interactions between all factors and levels at each step were evaluated, using mixtures of breast milk, with high and low antibody content, collected from puerperal women vaccinated with the Abdala anti-COVID-19 vaccine. The optimal combination of factors and levels was determined to form the optimized ELISA protocol, with which it was possible to increase the signal to noise ratio by 4.67 times with respect to the non-optimized protocol. Since this ELISA is applied to verify the presence of SARS-CoV-2 RBD-specific IgA antibodies generated by Abdala vaccine in breast milk, the optimized assay guarantees detection in those samples with low antibody content, which probably had an absorbance signal close to the assay blank if the initial non-optimized protocol were applied. |
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