The kinetics of H-D exchange of lysozyme film with various water content was studied by IR absorption spectroscopy to clarify the effect of hydration on the molecular flexibility of lysozyme.

• 应用红外吸收光谱研究不同含水量的溶菌酶膜的H-D交换动力学,以期阐明水合对溶菌酶分子活动性的影响。