The changes of the chemical states and the relative contents of sulfur, gold, carbon and oxygen after methionine reacted with different chemical sensitizers are studied by ESCA scanning technique of X? ray Photoelectron Spectroscopy(CPS).

• 运用X射线光电子能谱 (XPS)的ESCA扫描技术研究了蛋氨酸与不同化学增感剂相互作用及其中的硫、金、碳和氧等元素的化学形态和相对含量的变化规律 .