Abstract
We used IR Fourier absorption spectra of blood to study changes in the structure of globular blood proteins with extracorporeal autohemomagnetotherapy, used to treat ischemic heart disease. We compare the spectra of blood before and after magnetotherapy in the regions: amide I (1655 cm−1), amide II (1545 cm−1), amide III (1230–1350 cm−1), amide IV and amide V (400–700 cm−1). We have shown that pronounced changes in the spectra in the indicated regions on direct exposure of blood in vivo to a low-frequency pulsed magnetic field are connected with conformational changes in the secondary structure of globular blood proteins, which are apparent in the increase in the contribution of the α-helix conformation. We discuss the magnetotherapy-initiated appearance of new IR absorption bands at 1018 and 1038 cm−1 and an increase in the intensity of a number of other bands located in the 1000–1200 cm−1 region, which suggests a change in the concentration of some blood components.
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