Controlling wettability of boron nitride nanotube films and improved cell proliferation

Li, Ling, Li, Lu Hua, Ramakrishnan, Sugeetha, Dai, Xiujuan J., Nicholas, Kevin, Chen, Ying, Chen, Zhiqiang and Liu, Xiaowei 2012, Controlling wettability of boron nitride nanotube films and improved cell proliferation, Journal of physical chemistry C, vol. 116, no. 34, pp. 18334-18339.

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Title Controlling wettability of boron nitride nanotube films and improved cell proliferation
Author(s) Li, Ling
Li, Lu Hua
Ramakrishnan, Sugeetha
Dai, Xiujuan J.
Nicholas, Kevin
Chen, Ying
Chen, Zhiqiang
Liu, Xiaowei
Journal name Journal of physical chemistry C
Volume number 116
Issue number 34
Start page 18334
End page 18339
Total pages 6
Publisher American Chemical Society
Place of publication Washington, D. C.
Publication date 2012-08-02
ISSN 1932-7447
Keyword(s) amine functional groups
boron-nitride nanotubes
cell lines
cell response
continuous Wave
continuous waves
gas plasma treatments
input energy
plasma methods
plasma treatment
pulse modes
Summary Desired wettability has been achieved on highly hydrophobic boron nitride nanotube (BNNT) films using nitrogen/hydrogen (N2/H2) gas plasma treatments under controlled input energies and modes. Both hydrophilicity (contact angle (CA) 60°) and superhydrophilicity (CA < 5°) are demonstrated on BNNT films with little change of the surface morphology or the structure of individual BNNTs. The combination of continuous wave and pulse mode (CW+P) plasma shows more effective wettability modification and introduces more amine functional groups than the continuous wave (CW) plasma alone at a given input energy. (Super)hydrophilic/hydrophobic patterns have been created on BNNT films using masked plasma methods. The cell response to BNNT films is investigated for the first time. The proliferation of human primary mammary fibroblasts and a transformed mammary cell line (TXP RFP3) shows that the untreated hydrophobic BNNT films can support the growth of both cell lines, but the plasma treatments greatly enhance (up to six times) the number of cells attached to the surface of BNNT films.
Language eng
Field of Research 020204 Plasma Physics
091205 Functional Materials
060106 Cellular Interactions (incl Adhesion, Matrix, Cell Wall)
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
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