摘要
用荧光光谱仪对12例离体直肠癌组织和对应的直肠正常组织的荧光光谱(激发光的波长为320nm)进行了研究。并与相应的红外光谱结果进行了对比。结果表明直肠正常组织的荧光强度明显高于直肠癌组织的荧光强度。直肠组织在波长为492和544nm的荧光强度的差别可用于区分直肠正常和直肠癌组织。
In the present article the fluorescence characteristics of normal and malignant rectum organ tissues of 12 samples were investigated in vitro using UV (200-400 nm) fluorescence spectroscopy and compared with the results of the infrared spectra of normal and malignant rectum organ tissues. The results showed that the fluorescence intensity of normal rectal tissue was higher than that of rectal malignant tissue. The difference in fluorescence intensity at 492 and 544 nm between normal rectal tissue and malignant tissue may be considered as a detection criterion.
出处
《光谱学与光谱分析》
SCIE
EI
CAS
CSCD
北大核心
2007年第6期1156-1160,共5页
Spectroscopy and Spectral Analysis
基金
国家重点基础研究发展规划项目(2002CCA01900)
国家自然科学基金项目(30371604)资助
关键词
直肠癌
最佳激发波长
荧光光谱
诊断
Rectal cancer
Optimal excitation wavelength
Fluorescence spectra
Diagnose