title: Analyses of infrared amide bands of chitin.
abstract: Infrared spectra of chitin isolated from various biological species were measured by Fourier transform technique. The recorded spectra were decomposed into component bands within 1500--1750 cm-1 and 3000--3500 cm-1 spectral regions; it allowed us to establish the precise position of amide I and amids II bands. It was shown that the positions of amide I and amide II bands are independent of the source from which chitin was isolated.
mesh_terms: D000577:Amides / Q000032:analysis*; D000818:Animals; D003400:Astacoidea / Q000032:analysis; D001516:Bees / Q000032:analysis; D002686:Chitin / Q000032:analysis*; D010933:Plankton / Q000032:analysis; D013055:Spectrophotometry, Infrared
chemical_list: D000577:Amides; D002686:Chitin