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Detection of sub-microscopic blood levels of Plasmodium falciparum using Tandem Oligonucleotide Repeat Cascade Amplification (TORCA) assay with an attomolar detection limit
2019
Scientific Reports
Tandem Oligonucleotide Repeat Cascade Amplification (TORCA) based on signal rather than target amplification under isothermal conditions was developed for nucleic acid assays. The initial signal was generated by hybridization of single stranded DNA targets to immobilized recognition probes followed by hybrid cleavage with specific restriction endonuclease (REase), and release of trigger oligonucleotides (Tr1). The signal amplification chamber contained two bead types carrying single-stranded
doi:10.1038/s41598-019-39921-9
pmid:30814636
pmcid:PMC6393570
fatcat:55k2nkjfkvaypbvz5q6stjgbeq