Journal
BIOSENSORS-BASEL
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/bios11080265
Keywords
biosensors; tuberculosis; DNA-DNA hybridization; single nucleotide polymorphism; signal to background ratio
Funding
- Hallym University Research Fund [HRF-202103-005]
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The study introduces a new method for detecting multiple pathogens on a single platform with highly sensitive and specific DNA hybridization. Experimental results demonstrate that the method can efficiently detect and discriminate in clinical samples.
Highly sensitive (high SBR) and highly specific (high SNP discrimination ratio) DNA hybridization is essential for a biosensor with clinical application. Herein, we propose a method that allows detecting multiple pathogens on a single platform with the SNP discrimination ratios over 160:1 in the dynamic range of 10(1) to 10(4) copies per test. The newly developed SWAT method allows achieving highly sensitive and highly specific DNA hybridizations. The detection and discrimination of the MTB and NTM strain in the clinical samples with the SBR and SNP discrimination ratios higher than 160:1 indicate the high clinical applicability of the SWAT.
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