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Updated: May 6, 2026

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications

Published on: February 23, 2017

Supported nanohydroxyapatite on anodized titanium wire for solid-phase microextraction.

Jing Jia¹, Shujuan Liu, Hongdeng Qiu

¹Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.

Analytical and Bioanalytical Chemistry

|October 24, 2013

Summary

This summary is machine-generated.

A novel solid-phase microextraction fiber using nanostructured hydroxyapatite on titanium wire was developed. This durable and sensitive coating effectively extracts polycyclic aromatic hydrocarbons from water samples.

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Area of Science:

Analytical Chemistry
Materials Science
Environmental Science

Background:

Solid-phase microextraction (SPME) is a widely used technique for sample preparation.
Developing robust and efficient SPME coatings is crucial for trace analysis.
Titanium wire offers a chemically inert substrate for coating development.

Purpose of the Study:

To develop a simple and versatile method for creating SPME coatings on titanium wire.
To functionalize titania nanotube arrays with nanostructured hydroxyapatite.
To evaluate the performance of the novel SPME fiber for polycyclic aromatic hydrocarbon (PAH) extraction.

Main Methods:

Electrochemical anodization of titanium wire to form titania nanotube arrays.
In situ chemical deposition of nanostructured hydroxyapatite onto the titania nanotubes.
Solid-phase microextraction coupled with gas chromatography (SPME-GC) for PAH analysis.
Assessment of extraction efficiency, precision, linearity, repeatability, and fiber lifetime.

Main Results:

Successfully prepared a titania nanotube array-coated titanium wire modified with nanostructured hydroxyapatite.
The developed SPME fiber exhibited high surface-to-volume ratio and a thickness of approximately 10 μm.
Good analytical performance was achieved for PAH extraction, including high precision (<7.4%), low detection limits (1.79-4.89 ng/L), and wide linearity (0.1-200 μg/L).
The fiber demonstrated excellent durability with a lifetime exceeding 150 extractions.
The method proved reliable for analyzing PAHs in environmental water samples.

Conclusions:

The nanostructured hydroxyapatite-coated titanium wire is a promising material for SPME applications.
The developed SPME-GC method offers a sensitive, precise, and durable approach for PAH determination in environmental water.
This versatile coating strategy can be extended to other analytical applications requiring robust SPME fibers.