磁场对银杏叶叶绿素紫外可见吸收光谱的影响 - 安徽农业科学.pdf

安徽农业科学袁允燥怎则灶葬造 燥枣 粤灶澡怎蚤粤早则蚤援杂糟蚤援圆园园8袁36渊8冤院3059-3061 责任编辑 姜丽 责任校对 王淼 磁场对银杏叶叶绿素紫外可见吸收光谱的影响 1 2 1 刘贵忠 ，于凌春 ，于家峰 （德州学院物理系，山东省生物物理重点实验室，山东德州 ；德州学院农学系，山东德州 ） 1. 253023 2. 253023 摘要 目的探求磁场激励对银杏叶叶绿素紫外可见吸收光谱的影响。方法 采用可控变量试验法，对提纯的银杏叶叶绿素的吸收 [ ] / [ ] 光谱进行测量和综合分析。结果磁场激励对叶绿体在中心离子谱带的影响表现为特征吸收峰的位置随磁场强度增大，有向短波方 [ ] 向移动的趋势；磁场对电荷转移谱带总体呈抑制趋势；磁场激励影响了中心色素分子 P680 和P700 及电子传递体的生物学功 ；磁 场对叶绿素吸收光谱的影响与磁感应强度有 。发现了磁致发光现象。结论磁场激励对叶绿素的紫外可见吸收光谱有明显影响，且 [ ] / 与磁场强度有 。叶绿素具有磁致发光现象。 关键词 银杏叶；叶绿素；磁场；紫外吸收光谱 中图分类号 文献标识码 文章编号 （ ） S129 A 0517-6611 2008 08-03059-03 Experimental Study on the Influence of Magnetic Field on Ultraviolet and Visible Light Absorbing Spectrum of Chlorophyll of the Leaf Gingkgo （ ） LIU Gui蛳zhong et al Biophysics Emphases Lab of Shandong Province, Department of Physics, Dezhou University, Dezhou, Shandong 253023 Abstract [Obj ective] The aim was to probe the influences of magnetic field on ultraviolet and visible light absorbing spectrums of the chlorophyll of gingko leaves. [Method] The absorbing spectrum between 190 nm and 1100 nm was measured and analyzed synthetically by the method of single controllable variable experiment. [Result] The influence of magnetic field on chloroplast at the central spectrum belt was that the position of characteristic absorbing peak increases along with the intensity of the magnetic field, and had the trend of