2018
DOI: 10.1038/s41598-018-31311-x
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Rapid and simple detection of Tamiflu-resistant influenza virus: Development of oseltamivir derivative-based lateral flow biosensor for point-of-care (POC) diagnostics

Abstract: We have developed a novel oseltamivir derivative (oseltamivir hexylthiol; OHT) that exhibits a higher binding affinity for Tamiflu-resistant virus (Tamiflu resistance) than for the wild-type virus (Tamiflu-susceptible virus; WT) as an antibody. First, OHT-modified gold nanoparticles (OHT-GNPs) are used in a simple colorimetric assay as nanoprobes for the Tamiflu-resistant virus. In the presence of Tamiflu-resistant virus, they show a colorimetric change from deep red to purple because of the OHT-GNP aggregatio… Show more

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Cited by 44 publications
(39 citation statements)
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“…Although those AIV biosensors required more tests and optimization processes, the introduction of nanobio hybrid to biosensors combined with the nanofabrication of electrode array integrated with a printed circuit board for miniaturization is required for the product commercialization. Also, the real-time monitoring of AIV technique should be considered to determine suspected virus infection samples [94,95,96]. In addition, nanobio hybrid material can be used in wearable biosensor platforms, which is one of the future trends in biosensors due to simple usage and long-term monitoring capability.…”
Section: Discussionmentioning
confidence: 99%
“…Although those AIV biosensors required more tests and optimization processes, the introduction of nanobio hybrid to biosensors combined with the nanofabrication of electrode array integrated with a printed circuit board for miniaturization is required for the product commercialization. Also, the real-time monitoring of AIV technique should be considered to determine suspected virus infection samples [94,95,96]. In addition, nanobio hybrid material can be used in wearable biosensor platforms, which is one of the future trends in biosensors due to simple usage and long-term monitoring capability.…”
Section: Discussionmentioning
confidence: 99%
“…Hwang et al. developed a lateral flow biosensor for the detection of Tamiflu-resistant influenza virus, specifically the mutated neuraminidase on the surface of the virus [ 79 ]. Both assays reduce the time even further from the abbreviated ELISA.…”
Section: Assay Methodologies Under Investigationmentioning
confidence: 99%
“…In the presence of Tamiflu-resistant virus, the OHT-AuNPs will change their color from red to purple because of AuNP aggregation caused by strong interactions between OHT and neuraminidase (NA) on the surface of the Tamiflu-resistant virus. The color change allows determination of the Tamiflu-resistant virus with the naked eye at a limit of 10 4 PFU/mL, thus supporting the selection of appropriate treatments using point-of-care diagnostics [141].…”
Section: Lab-on-chip Based On Aunpmentioning
confidence: 97%
“…Similar lateral flow device is developed for detection of Tamifluresistant virus, which is based on the fact that oseltamivir hexylthiol (OHT) has higher binding affinity for Tamiflu-resistant virus than Tamiflususceptible virus [141]. AuNPs modified with OHT are used as nanoprobes for Tamiflu-resistant virus detection.…”
Section: Lab-on-chip Based On Aunpmentioning
confidence: 99%