Nor Azizah Parmin
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Nor Azizah Parmin
Official Name
Nor Azizah, Parmin
Alternative Name
Parmin, N. A.
Parmin, Nor Azizah
Parmin, Nor A.
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Scopus Author ID
57195835481
Researcher ID
S-6303-2019

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  • Publication
    The study of sensing elements parameters optimization for developed Biosensor of SARS-CoV-2 detection
    ( 2023-04)
    Fatin Syakirah Halim
    ;
    Nor Azizah Parmin
    ;
    Uda Hashim
    ;
    Subash Chandra Bose Gopinath
    ;
    Farrah Aini Dahalan
    ;
    Iffah Izzati Zakaria
    ;
    Wei Chern Ang
    ;
    Nurfareezah Nadhirah Jaapar
    New advancements in developing sensitive and selective biosensors have demonstrated outstanding potential for Deoxyribonucleic Acid (DNA biosensors). The detection mode of DNA biosensors primary depends on a particular DNA hybridization that precisely occurs on the surface of the physical transducer that can only be detected using high-performance assays due to slight current changes. The analytical performance (sensitivity) of the DNA biosensor is conclusively rely on the confluence constructing of the sensing surface, which must be optimized. Thus, in this study, the sensing elements of the developed biosensors were optimized for detecting RNA of SARS-CoV-2. This optimization included concentration of nanomaterials (carbon quantum dots), probe density (concentration of DNA probe) and concentration of linker (APTES). It was observed that 0.15 % V/V of concentration CQD, 0.1µM of DNA probe and 36% V/V of APTES were the optimum parameters which provided their maximum response during electrical measurements and increased the sensitivity of the developed biosensor for SARS-CoV-2 detection
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