Nanostrncture Properties of Hydroxyapatite Nanobelts Prepared by Oil-in-Water Emulsion

摘要

The HA nanobelts had been synthesized by using surfactants. It possesses a uniform one-dimensional nanofibers with width in 1.37nm and a BET specific surface area of 85.2m{sup}2g{sup}(-1). The 31{sup left}P NMR spectrum showed three -0.59ppm,-1.76ppm,-3.22ppm followed by a series of identical sidebands and one weak peak at -4.69ppm. The FTIR spectra of the nanobelts included two types of vibration; three (PO{sub}4){sup}3- stretching modes at 939.1,1030.4 and 1100.0cm{sup}(-1) band were attributed to the v{sub}1 (PO{sub}4), v{sub}3(PO{sub}4), v{sub}3(PO{sub}4) modes respectively. Two (PO{sub}4){sup}(3-) bending modes at 569.6 and 608.7cm{sup}(-1) bands were attributed to the v{sub}4(PO{sub}4) modes. The bands observed around 473.9cm{sup}(-1) were attributed to v{sub}2(PO{sub}4) modes. The nanobelts were novel drug carries.