NDLI: Large-area assembly of halloysite nanotubes for enhancing the capture of tumor cells

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Journal of Materials Chemistry B Vol - 5 Issue - 8

Journal of Materials Chemistry B Vol - 5 Issue - 7

Journal of Materials Chemistry B Vol - 5 Issue - 6

Journal of Materials Chemistry B Vol - 5 Issue - 5

Journal of Materials Chemistry B Vol - 5 Issue - 4

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Large-area assembly of halloysite nanotubes for enhancing the capture of tumor cells

Content Provider	Royal Society of Chemistry (RSC)
Author	He, Rui Shen, Yan Zhou, Changren Liu, Mingxian Long, Zheru
Copyright Year	2017
Abstract	Here, polystyrene sulfonate sodium (PSS) modified Halloysite nanotubes (HNTs) were self-assembled into a patterned coating on a glass substrate with ordered nanotube arrays in a slit-like confined space. The microstructure of the formed patterned HNTs coating was investigated. The formed strips are more regular and almost parallel to each other with an increase in HNTs concentration. The HNTs coating formed from the 2% PSS-HNTs dispersion has the maximum nanotube alignment degree. The patterned HNTs coating was employed to capture tumor cells. The tumor cells can be captured by the HNTs coating effectively compared with a smooth glass surface due to the enhanced topographic interactions between the HNTs coating and cancer cells. The HNTs coating prepared from the 2% PSS-HNTs dispersion has the highest capture yield which is due to the ordered nanotube arrangement and the appropriate surface roughness. The HNTs coating was further conjugated with anti-EpCAM, which leads to the capture yield of MCF-7 cells reaching 92% within 3 h. The HNTs coating can capture 8 MCF-7 cells from 1 mL artificial blood samples spiked with 10 MCF-7 cells, showing the promising applications of HNTs in clinical circulating tumor cell capture for early diagnosis and monitoring of cancer patients.
Starting Page	1712
Ending Page	1723
Page Count	12
File Format	HTM / HTML PDF
ISSN	2050750X
Volume Number	5
Issue Number	9
Journal	Journal of Materials Chemistry B
DOI	10.1039/c6tb02538b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Polystyrene sulfonate Sodium Halloysite Dispersion relation Cancer MCF-7 Circulating tumor cell
Content Type	Text
Resource Type	Article
Subject	Chemistry Medicine Materials Science Biomedical Engineering

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