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Enrichment of extracellular vesicles with lipid nanoprobe functionalized nanostructured silica.


ABSTRACT: Nanoscale extracellular vesicles (nEVs) have recently demonstrated potential value in cancer diagnostics and treatment monitoring, but translation has been limited by technical challenges in nEV isolation. Thus, we have developed a one-step nEV isolation platform that utilizes nEV size-matched silica nanostructures and a surface-conjugated lipid nanoprobe with an integrated microfluidic mixer. The reported platform has 28.8% capture efficiency from pancreatic cancer plasma and can sufficiently enrich nEVs for simpler positive identification of point mutations, particularly KRAS, in nEV DNA from the plasma of pancreatic cancer patients.

SUBMITTER: Wan Y 

PROVIDER: S-EPMC6669184 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Enrichment of extracellular vesicles with lipid nanoprobe functionalized nanostructured silica.

Wan Yuan Y   Maurer Mackenzie M   He Hong-Zhang HZ   Xia Yi-Qiu YQ   Hao Si-Jie SJ   Zhang Wen-Long WL   Yee Nelson S NS   Zheng Si-Yang SY  

Lab on a chip 20190701 14


Nanoscale extracellular vesicles (nEVs) have recently demonstrated potential value in cancer diagnostics and treatment monitoring, but translation has been limited by technical challenges in nEV isolation. Thus, we have developed a one-step nEV isolation platform that utilizes nEV size-matched silica nanostructures and a surface-conjugated lipid nanoprobe with an integrated microfluidic mixer. The reported platform has 28.8% capture efficiency from pancreatic cancer plasma and can sufficiently e  ...[more]

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