Issue 30, 2016
From the journal:

RSC Advances

Enhanced cell viability of hydroxyapatite nanowires by surfactant mediated synthesis and its growth mechanism†

A. Joseph Nathanael,ab   Sun Ig Hong,*c   Tae Hwan Oh,*a   Young Ho Seo,a   Deepti Singha  and  Sung Soo Hana  

* Corresponding authors

a Department of Nano, Medical and Polymer Materials, Yeungnam University, Gyeongsan, South Korea
E-mail: taehwanoh@ynu.ac.kr

b Nanomaterials Research Institute, National Institute of Advanced Industrials Science and Technology, Central 5-41, Tsukuba, Japan

c Department of Nanomaterials Engineering, Chungnam National University, Daejeon, South Korea
E-mail: sihong@cnu.ac.kr

Abstract

Hydroxyapatite (HA) nanowires were grown by a simple hydrothermal method using cetyl-trimethyl-ammonium-bromide (CTAB) as a surfactant. The growth of preferentially oriented nanowires were suggested to be formed by the orientation-dependent electrostatic interaction between the CTAB ions and HA crystals. We prepared HA nanowires with a diameter of 30 ± 7 nm and the length of few micrometers. The prolonged hydrothermal treatment with the ideal concentration of CTAB induce the preferential growth of HA nanowires in the c-axis direction. The pronounced peak broadening of mainly (002) planes with the increase of the length of nanowires can be attributed to the natural bending of nanowires with an extremely high aspect ratio. The in vitro cell cultural studies of the HA nanowires showed that the osteoblast cell response enhanced with the uniformity and the specific surface area of HA nanowires.

Graphical abstract: Enhanced cell viability of hydroxyapatite nanowires by surfactant mediated synthesis and its growth mechanism

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Article information

DOI
https://doi.org/10.1039/C6RA01155A
Article type
Paper
Submitted
14 Jan 2016
Accepted
24 Feb 2016
First published
26 Feb 2016

RSC Adv., 2016,6, 25070-25081

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Enhanced cell viability of hydroxyapatite nanowires by surfactant mediated synthesis and its growth mechanism

A. J. Nathanael, S. I. Hong, T. H. Oh, Y. H. Seo, D. Singh and S. S. Han, RSC Adv., 2016, 6, 25070 DOI: 10.1039/C6RA01155A

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