Biological Applications of Infrared Spectroscopy
Infrared spectroscopy (IR) is a well established analytical technique for the identification of organic molecules. In this first dedicated volume, the theory of IR is described and is then related to various biological systems. Chapters on instrumentation, sample preparation and the interpretation of spectra give the reader practical help in using the technique. A comprehensive applications chapter illustrates the diversity and power of this technique in real systems.
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absorbance absorption band ACOL aldehyde amide I band amines aromatic aspirin asymmetric stretching atoms ATR cell band area beam Beer-Lambert law bending vibrations biological C—H stretching caffeine calibration carbonyl carbonyl band chapter Characteristic infrared bands chloroform CiT4 citronellal component bands compounds concentration Curve-fitted amide deconvolution deconvolved detector diffuse reflectance dipole dispersive energy levels Fourier transformation Frequency Assignment FT-IR FT-IR spectrometer FT-IR spectroscopy hydrogen bonding illustrated in Figure infrared modes infrared radiation infrared spectrometer infrared spectroscopy infrared spectrum instruments intense band intensity interactions interferogram interferometer lipid liquid methanol methods mixture molecular molecule mull N—H bending near-infrared normal observed obtained occurs out-of-plane p-structure pathlength peak peptide Photoacoustic spectroscopy produce protein quantitative analysis random coil range ribonuclease scanning secondary structure shown in Figure shows solid samples solution solvent spectra stretching bands stretching modes stretching region stretching vibration subtraction symmetric technique temperature tissue transmittance turns and bends vanillin wavelength wavenumber Wavenumber/cnr1