Synthesis and study of the structure of lanthanum (III) compounds and cerium (III) with aspartic acid
V.A. Shkrumeliak, O.A. Golovanova
Dostoevsky Omsk State University
DOI: 10.26456/pcascnn/2023.15.1080
Original article
Abstract: A significant part of modern research is devoted to synthesis and study of the structure of compounds of rare earth elements with bioligands – these are those ligands that participate in biochemical processes. Compounds of rare earth elements with amino acids are of particular interest to study, since they are the most important bioligands, natural nanoscale molecules. In the course of the work, compounds of lanthanum (III) and cerium (III) with aspartic acid were synthesized. White crystalline precipitates were obtained for the «La-Asp» (1:2) and «Ce-Asp» (1:3) systems. With the help of optical microscopy, the fundamental difference between the crystals of synthesized compounds (in shape and size) from the crystals of the starting substances used for synthesis is proved. The results of IR-Fourier spectroscopy showed that metal ions interact with the carboxyl group of aspartic acid. The results obtained during the spectrophotometric analysis of the filler fluid for the «La-Asp» system (1:2) made it possible to simulate the spatial structure of this compound taking into account the amount of aspartic acid bound to lanthanum (III) ions. The synthesized compounds are promising for their further use in medicine.
Keywords: rare earth elements, complex compounds of lanthanum (III) and cerium (III), amino acids, aspartic acid, ligands
- Valeriia A. Shkrumeliak – 3rd year student, Inorganic Chemistry Department, Dostoevsky Omsk State University
- Olga A. Golovanova – Dr. Sc., Professor, Head of the Department of Inorganic Chemistry, Dostoevsky Omsk State University
Reference:
Shkrumeliak, V.A. Synthesis and study of the structure of lanthanum (III) compounds and cerium (III) with aspartic acid / V.A. Shkrumeliak, O.A. Golovanova // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2023. — I. 15. — P. 1080-1089. DOI: 10.26456/pcascnn/2023.15.1080. (In Russian).
Full article (in Russian): download PDF file
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