[1] A. A Mokdad, A. G Singal, A. C Yopp. Liver cancer. JAMA, 314, 2701-2701(2015).

[2] X Li, T Yang, S Li, L Jin, D Wang, D Guan, J Ding. Noninvasive liver diseases detection based on serum surface enhanced Raman spectroscopy and statistical analysis. Opt. Exp, 23, 18361-18372(2015).

[3] Y Zhang, L Lin, J He, J Ye. Optical penetration of surface-enhanced micro-scale spatial offset Raman spectroscopy in turbid gel and biological tissue. J. Innov. Opt. Health Sci, 14, 2141001(2021).

[4] L. D Barron, L Hecht, I. H McColl, E. W Blanch. Raman optical activity comes of age. Mol. Phys, 102, 731-744(2004).

[5] C. L Haynes, A. D McFarland, R. P Van Duyne. Surface-enhanced Raman spectroscopy. Anal. Chem, 77, 338-346(2005).

[6] B Barbiellini. Enhancement of Raman scattering from molecules placed near metal nanoparticles. Low Temp. Phys, 43, 159-161(2017).

[7] J. M Reyes-Goddard, H Barr, N Stone. Photodiagnosis using Raman and surface enhanced Raman scattering of bodily fluids. Photodiagnosis Photodyn. Ther, 2, 223-233(2005).

[8] S Feng, R Chen, J Lin, J Pan, G Chen, Y Li, M Cheng, Z Huang, J Chen, H Zeng. Nasopharyngeal cancer detection based on blood plasma surface-enhanced Raman spectroscopy and multivariate analysis. Biosens. Bioelectron, 25, 2414-2419(2010).

[9] D Lin, S Feng, J Pan, Y Chen, J Lin, G Chen, S Xie, H Zeng, R Chen. Colorectal cancer detection by gold nanoparticle based surface-enhanced Raman spectroscopy of blood serum and statistical analysis. Opt. Exp, 19, 13565-13577(2011).

[10] D Lin, S Feng, H Huang, W Chen, H Shi, N Liu, L Chen, W Chen, Y Yu, R Chen. Label-free detection of blood plasma using silver nanoparticle based surface-enhanced Raman spectroscopy for esophageal cancer screening. J. Biomed. Nanotechnol, 10, 478-484(2014).

[11] X Li, T Yang, S Li, S Zhang, L Jin. Discrimination of rectal cancer through human serum using surface-enhanced Raman spectroscopy. Appl. Phys. B, 119, 393-398(2015).

[12] H Ito, N Uragami, T Miyazaki, W Yang, K Issha, K Matsuo, S Kimura, Y Arai, H Tokunaga, S Okada et al. Highly accurate colorectal cancer prediction model based on Raman spectroscopy using patient serum. World J. Gastrointest. Oncol, 12, 1311(2020).

[13] Y Yu, Y Lin, C Xu, K Lin, Q Ye, X Wang, S Xie, R Chen, J Lin. Label-free detection of nasopharyngeal and liver cancer using surface-enhanced Raman spectroscopy and partial lease squares combined with support vector machine. Biomed. Opt. Exp, 9, 6053-6066(2018).

[14] G Lü, X Zheng, X Lü, P Chen, G Wu, H Wen. Label-free detection of echinococcosis and liver cirrhosis based on serum Raman spectroscopy combined with multivariate analysis. Photodiagnosis Photodyn. Ther, 33, 102164(2021).

[15] X Liu, X Lin, Z Huang, Y Zhu, M Peng, X Jia, S Weng, Y Weng, S Feng. Screening and postoperative evaluation of breast cancer based on serum proteins analysis using label-free surface-enhanced Raman spectroscopy technology. Nanosci. Nanotechnol. Lett, 12, 901-908(2020).

[16] J Hu, X Shao, C Chi, Y Zhu, Z Xin, J Sha, B Dong, J Pan, W Xue. Surface-enhanced Raman spectroscopy of serum predicts sensitivity to docetaxel-based chemotherapy in patients with metastatic castration-resistant prostate cancer. J. Innov. Opt. Health Sci, 14, 2141006(2021).

[17] N Leopold, B Lendl. A new method for fast preparation of highly surface-enhanced Raman scattering (SERS) active silver colloids at room temperature by reduction of silver nitrate with hydroxylamine hydrochloride. J. Phys. Chem. B, 107, 5723-5727(2003).

[18] J Zhao, H Lui, D. I McLean, H Zeng. Automated autofluorescence background subtraction algorithm for biomedical Raman spectroscopy. Appl. Spectrosc, 61, 1225-1232(2007).

[19] X Li, T Yang, S Li, D Wang, Y Song, K Yu. Different classification algorithms and serum surface enhanced Raman spectroscopy for noninvasive discrimination of gastric diseases. J. Raman Spectrosc, 47, 917-925(2016).

[20] R Liu, Y Xiong, Y Guo, M Si, W Tang. Label-free and non-invasive BS-SERS detection of liver cancer based on the solid device of silver nanofilm. J. Raman Spectrosc, 49, 1426-1434(2018).

[21] L Shao, A Zhang, Z Rong, C Wang, X Jia, K Zhang, R Xiao, S Wang. Fast and non-invasive serum detection technology based on surface enhanced Raman spectroscopy and multivariate statistical analysis for liver disease. Nanomed. Nanotechnol. Biol. Med, 14, 451-459(2018).

[22] L Guo, Y Li, F Huang, J Dong, F Li, X Yang, S Zhu, M Yang. Identification and analysis of serum samples by surface-enhanced Raman spectroscopy combined with characteristic ratio method and PCA for gastric cancer detection. J. Innov. Opt. Health Sci, 12, 1950003(2019).

[23] M Tahira, H Nawaz, M. I Majeed, N Rashid, S Tabbasum, M Abubakar, S Ahmad, S Akbar, S Bashir, M Kashif et al. Surface-enhanced Raman spectroscopy analysis of serum samples of typhoid patients of different stages. Photodiagnosis Photodyn. Ther, 34, 102329(2021).

[24] X He, C Ge, X Zheng, B Tang, L Chen, S Li, L Wang, L Zhang, Y Xu. Rapid identification of alpha-fetoprotein in serum by a microfluidic SERS chip integrated with Ag/Au nanocomposites. Sens. Actuat. B. Chem, 317, 128196(2020).

[25] A Oleszko, J Hartwich, A Wójtowicz, M Ga̧siorGłogowska, H Huras, M Komorowska. Comparison of FTIR-ART and Raman spectroscopy in determination of VLDL triglycerides in blood serum with PLS regression. Spectrochim. Acta A Mol. Biomol. Spectrosc, 183, 239-246(2017).

[26] C Chen, L Yang, H Li, F Chen, C Chen, R Gao, X Lv, J Tang. Raman spectroscopy combined with multiple algorithms for analysis and rapid screening of chronic renal failure. Photodiagnosis Photodyn. Ther, 30, 101792(2020).

[27] X Xie, C Chen, T Sun, G Mamati, X Wan, W Zhang, R Gao, F Chen, W Wu, Y Fan et al. Rapid, non-invasive screening of keratitis based on Raman spectroscopy combined with multivariate statistical analysis. Photodiagnosis Photodyn. Ther, 31, 101932(2020).

[28] X Zheng, G Lv, Y Zhang, X Lv, Z Gao, J Tang, J Mo. Rapid and non-invasive screening of high renin hypertension using Raman spectroscopy and different classification algorithms. Spectrochim. Acta A Mol. Biomol. Spectrosc, 215, 244-248(2019).