Open Access Nano Express

Comparison of the killing effects between nitrogen-doped and pure TiO2 on HeLa cells with visible light irradiation

Zheng Li1, Xiaobo Pan1, Tianlong Wang1, Pei-Nan Wang1, Ji-Yao Chen2 and Lan Mi1*

1 Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Fudan University, 220 Handan Road, 200433, Shanghai, China

2 State Key Laboratory of Surface Physics, Department of Physics, Fudan University, 220 Handan Road, 200433, Shanghai, China

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Nanoscale Research Letters 2013, 8:96  doi:10.1186/1556-276X-8-96

Published: 22 February 2013

Additional files

Additional file 1: Figure S1:

Absorbance spectra of TiO2 and N-TiO2 nanoparticles. Description: A shoulder was observed at the edge of the absorption spectra, which extended the absorption of N-TiO2 from 380 nm to 550 nm.

Format: TIFF Size: 776KB Download file

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Additional file 2: Figure S2:

The transmission spectrum of the 400 to 440 nm bandpass filter. Description: The filter could transmit some light with the wavelength below 400 nm, which could be absorbed by the pure TiO2 as shown in Additional file 1: Figure S1.

Format: TIFF Size: 937KB Download file

Open Data