多元分辨——交替最小二乘法研究Cu^(2+)与槲皮素的相互作用  

Spectrometric Study of the Interaction between Cu^(2+) and Quercetin Using Multivariate Curve Resolution-Alternating Least Squares

作　　者：程玲玲[1] 孙希孟[1] 郭九吉[1] 侯丽丽[1] 申琦[1] 

机构地区：[1]郑州大学化学系,郑州450001

出　　处：《河南大学学报（自然科学版）》2011年第6期588-591,共4页Journal of Henan University:Natural Science

基　　金：国家自然科学基金资助项目(21175119)

摘　　要：利用分光光度法(UV)研究了不同摩尔比的Cu2+与槲皮素的配合物生成过程,并采用多元分辨-交替最小二乘法(MCR-ALS)对实验数据进行分析.结果表明在中性条件下,Cu2+与槲皮素只生成一种最终产物(吸收峰值为295nm),中间经历了吸收峰值为438nm的过渡态.MCR-ALS分辨的结果为Cu2+-槲皮素配合物的形成机理提供了理论依据.The reaction process of Cu2＋ and quercetin with different molar ratio were studied in this paper using ultraviolet-visible absorption spectroscopy（UV）.Experimental data were analyzed by multivariate curve resolution-alternating least squares（MCR-ALS）.It was shown that there were two products,intermediate product with the absorption peak at 438 nm and final product with the absorption peak at 295 nm.

关 键 词：CU2+ 槲皮素 配合物 紫外-可见吸收光谱 多元分辨-交替最小二乘法 

分 类 号：O69[理学—化学]