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Modified Cotton Fiber Surface for Apatite Growth and Cell Affinity

Published online by Cambridge University Press:  01 February 2011

Bin Fei ,
Shing Shun Tony To ,
Kaihong Qi  and
John H. Xin
Bin Fei
Affiliation:
tcfeib@polyu.edu.hk, The Hong Kong Polytechnic University, Institute of Textiles & Clothing, Hung Hom, Kowloon, Hong Kong, Hong Kong, N/A, N/A, Hong Kong
Shing Shun Tony To
Affiliation:
httto@inet.polyu.edu.hk, The Hong Kong Polytechnic University, Department of Health Technology and Informatics, Hong Kong, N/A, N/A, China, People's Republic of
Kaihong Qi
Affiliation:
04901597r@polyu.edu.hk, The Hong Kong Polytechnic University, Institute of Textiles & Clothing, Hong Kong, N/A, N/A, China, People's Republic of
John H. Xin
Affiliation:
tcxinjh@inet.polyu.edu.hk, The Hong Kong Polytechnic University, Institute of Textiles & Clothing, Hong Kong, N/A, N/A, China, People's Republic of
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Abstract

In order to bring widely distributed polysaccharides materials into more medical applications, cotton fiber surfaces were modified into substrates for apatite deposition. Using a solid phase reaction, cotton fibers were conveniently carboxylated in large scale. The carboxylated cotton fibers were coated by apatite in a biomimetic way. Through soaking in a concentrated simulated body fluid (SBF × 5), nano-size apatite particles rapidly and finely grew on the fiber surfaces. The nucleation and growth of apatite was investigated with the aid of scanning electron microscopy (SEM). In comparison to pure cotton, the cotton coated with apatite showed improved cell affinity to osteoblast-like cells.

Keywords

biomimetic (assembly)fiberscanning electron microscopy (SEM)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 920: Symposium S – Smart Nanotextiles , 2006 , 0920-S04-03
Copyright
Copyright © Materials Research Society 2006

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