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      https://www.riss.kr/link?id=A106992522

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      다국어 초록 (Multilingual Abstract)

      For the development of practically useful bioanalytical systems using new nanomaterials, one should be able to understand and fully utilize chemical/physical properties to detect molecular changes during certain biochemical transformations in a biological system. New bioanalytical platforms should overcome limitations of conventional assay methods-detection limits, cost issues, labors, efficiencies, quantitativeness, reproducibility, etc. In this talk, I will introduce recent studies which harness graphene derivatives for developing bioanalytical platforms to quantitatively analyze various enzyme activities and biomarkers including helicase and microRNA. The systems rely on attractive interaction between graphene oxide and nucleic acids and fluorescence quenching by graphene oxide. Quantitative microRNA sensing was successfully demonstrated in living cells. Recently, we employed one of the graphene-based bioassay systems to anti-viral drug screening and identified potent hit compounds to treat hepatitis C. This study shows that a new nanobio-technology can be routinely implemented in drug discovery with high-throughput capability, providing many advantages over conventional methods.
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      For the development of practically useful bioanalytical systems using new nanomaterials, one should be able to understand and fully utilize chemical/physical properties to detect molecular changes during certain biochemical transformations in a biolog...

      For the development of practically useful bioanalytical systems using new nanomaterials, one should be able to understand and fully utilize chemical/physical properties to detect molecular changes during certain biochemical transformations in a biological system. New bioanalytical platforms should overcome limitations of conventional assay methods-detection limits, cost issues, labors, efficiencies, quantitativeness, reproducibility, etc. In this talk, I will introduce recent studies which harness graphene derivatives for developing bioanalytical platforms to quantitatively analyze various enzyme activities and biomarkers including helicase and microRNA. The systems rely on attractive interaction between graphene oxide and nucleic acids and fluorescence quenching by graphene oxide. Quantitative microRNA sensing was successfully demonstrated in living cells. Recently, we employed one of the graphene-based bioassay systems to anti-viral drug screening and identified potent hit compounds to treat hepatitis C. This study shows that a new nanobio-technology can be routinely implemented in drug discovery with high-throughput capability, providing many advantages over conventional methods.

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