Browsing by Author "Stepanova, V."

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    Cantilever-enhanced photoacoustic spectroscopy applied in the research of natural and synthetic calcium phosphate
    (2017-04-21) Brangule, Agnese; Gross, K. A.; Stepanova, V.; Department of Human Physiology and Biochemistry
    This study demonstrates the significant potential of cantilever-enhanced Fourier transform infrared photoacoustic spectroscopy (FTIR PAS) principles. The improved sensitivity and reproducibility of this method presents a potent tool in the study of biomaterials. The article discusses aspects of the application of cantilever-enhanced FTIR PAS in the research of natural and biological calcium phosphate and the statistical evaluation of the FTIR PAS sampling method. The improved constructions of the FTIR PAS accessory reduce limitations of the conventional capacitive microphone and provide a sensitive tool for samples or processes unreachable by more traditional transmittance methods, or ATR sampling technique. The most common and important applications have been discussed in-depth to show the wide range of problems solved by FTIR PAS.