Salt enhanced sedimentation of halloysite nanotubes for precise determination of DNA adsorption isotherm

Franco Tardani,Stefano Casciardi,Barbara Ruzicka,Simona Sennato

Colloids and Surfaces A: Physicochemical and Engineering Aspects（2020）

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摘要

•Commercial Halloysites nanotubes are dispersed in water by ultrasonication.•Chromosomal DNA has been adsorbed onto halloysite nanotubes.•Sedimentation and collection of DNA-HNTs has been enhanced by ionic strength increase.•DNA-HNTs hybrids have been successfully separated from unbound DNA.•Adsorption isotherms for native and thermally-treated DNA have been obtained.

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关键词

Halloysite nanotubes,DNA adsorption,Sedimentation,Gene delivery

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