[1] C. M. Krishna, N. B. Prathima, R. Malini, B. M. Vadhiraja, R. A. Bhatt, D. J. Fernandes, P. Kushtagi, M. S. Vidyasagar, and V. B. Kartha, Vibrational Spectrosc. 41, 136 (2006).
[2] K. Ohnishi, I. Ota, A. Takahashi, K. Yane, H. Matsumoto, and T. Ohnishi, Apoptosis 7, 367 (2002).
[3] K. Iwamoto, N. Shinomiya, and H. Mochizuki, Apoptosis 4, 59 (1999).
[4] Z.-G. Cui, T. Kondo, L. B. Feril, Jr., K. Waki, O. Inanami, and M. Kuwabara, Apoptosis 9, 757 (2004).
[5] M. Radojcic and N. E. A. Crompton, Radiat. Environ. Biophys. 40, 131 (2001).
[6] Y. Li, R. Chen, H. Zeng, Z. Huang, S. Feng, and S. Xie, Chin. Opt. Lett. 5, 105 (2007).
[7] Y. Shi, G. Liu, J. Liu, and D. Song, Acta Opt. Sin. (in Chinese) 27, 129 (2007).
[8] X. Gao, I. S. Butler, and R. Kremer, Spectrochim. Acta Part A 61, 27 (2005).
[9] S. R. Hawi, W. B. Campbell, A. Kajdacsy-Balla, R. Murphy, F. Adar, and K. Nithipatikom, Cancer Lett. 110, 35 (1996).
[10] X. Ling and Y. Xu, Chin. J. Min. Inv. Surg. (in Chinese) 2, 433 (2002).
[11] C. Sun, Y. Xu, K. Sun, Q. Wu, W. Li, Z. Xu, and J. Wu, Spectrosc. Spect. Anal. (in Chinese) 16, (5) 22 (1996).
[12] Y. Xu, Raman Spectrum and Its Application in Structure Biology (in Chinese) (Chemical Industry Press, Beijing, 2005).
[13] R. Liu, W. Tang, G. Zhang, F. Zhang, and X. Yan, Chin. Opt. Lett. 6, 371 (2008).