Studying metal impurities (Mn2+, Cu2+, Fe3+) in calcium phosphates by electron paramagnetic resonanceстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 3 ноября 2018 г.
Аннотация:Calcium phosphates (CaP) are exploited in many fields of science, including
geology, chemistry, biology and medicine due to their abundance in the nature and presence in
the living organism. Various analytical and biochemical methods are used for controlling their
chemical content, structure, morphology, etc. Unfortunately, magnetic resonance techniques
are usually not even considered as necessary tools for CaP inspection. Some aspects of
application of the commercially realized electron paramagnetic resonance (EPR) approaches
for characterization of CaP powders and ceramics (including the nanosized materails) such as
hydroxyapatite and tricalcium phosphates of biogenic and synthetic origins containing intrinsic
impurities or intentional dopants are demonstrated. The key features and advantages of the
EPR techniques for CaP based materials characterization that could compliment the data
obtained with the recognized analytical methods are pointed out.