作者: Urs P. Fringeli , Hans H. Günthard
DOI: 10.1016/0005-2760(76)90302-7
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摘要: Abstract Conventional and modulated excitation infrared spectra of egg phos-phatidylcholine are measured in the spectral range 4000−900 cm −1 by modulation relative humidity with an amplitude ± T = 30°C). From modulated-excitation spectrum, hydration sites found to be > PO − 2 group, C O group choline group.