SEPARATION OF OVERLAPPING SPECTRA FROM EVOLVING SYSTEMS USING FACTOR-ANALYSIS .1. THEORY TO OBTAIN REAL SPECTRA

被引：32

作者：

CHAPADOS, C

TRUDEL, M

机构：

[1] Département de chimie-biologie, Université du Québec à Trois-Rivières, Trois-Rivieres

来源：

BIOPHYSICAL CHEMISTRY | 1993年 / 47卷 / 03期

关键词：

FACTOR ANALYSIS; EIGENSPECTRA; REAL SPECTRA; CONSTRAINTS; ABSORPTION SPECTROSCOPY; FLUORESCENCE SPECTROSCOPY;

D O I：

10.1016/0301-4622(93)80052-K

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A method based on factor analysis is developed that permits us to retrieve the real spectra and multiplication factors (or concentrations) of individual species in spectra of evolving complex systems with no a priori information. The application of constraints of non-negative intensities and non-negative concentrations to the matrices of abstract factors gives the unoptimized real spectra. Then searching for the most likelihood spectra by using the maximum entropy criterion gives the real spectra. Mixtures of experimental spectra are used to illustrate the method.

引用

页码：267 / 276

页数：10

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