2019
DOI: 10.1002/jrs.5762
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Comparative study of multivariative analysis methods of blood Raman spectra classification

Abstract: The pathological state of a human body leads to altered biochemical composition of body fluids. Conventional biochemical analysis of body fluids is notable for its low‐informative value in localizing a particular pathology. As an alternative, Raman spectroscopy provides detailed evaluation of blood characteristics at the molecular level. Raman blood spectra are characterized by multicollinearity as well as by the presence of autofluorescence background and noises of different nature. Choice of a proper method … Show more

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Cited by 17 publications
(19 citation statements)
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“…These materials can be useful in biomedical research. Along with the well-known methods of visualization of color, shape, and spectral properties using hyperspectral imaging microscopy [18] or Raman spectroscopy of light reflected from a micropreparation [19], the method of digital holographic microscopy based on phase reconstruction can be extremely useful in morphological studies of microobjects.…”
Section: Discussionmentioning
confidence: 99%
“…These materials can be useful in biomedical research. Along with the well-known methods of visualization of color, shape, and spectral properties using hyperspectral imaging microscopy [18] or Raman spectroscopy of light reflected from a micropreparation [19], the method of digital holographic microscopy based on phase reconstruction can be extremely useful in morphological studies of microobjects.…”
Section: Discussionmentioning
confidence: 99%
“…The experimental Raman spectra used in our study are recorded using a portable spectroscopic setup which includes a thermally stabilized LML-785.0RB-04 laser diode module as an excitation source (785 ± 0.1 nm central wavelength, 200 mW laser power) and a QE 65 Pro spectrometer (OceanOptics, Inc., USA) with CCD detector operating at -15 °C [15].…”
Section: Methodsmentioning
confidence: 99%
“…To simulate different noise levels, we evaluated an additive noise level from a signal-to-noise ratio (SNR) metric proposed in [15]: (3) where is the Raman signal level (intensity of Raman peak in 980-1025 cm -1 band); is the noise standard deviation.…”
Section: Methodsmentioning
confidence: 99%
“…Различные компоненты крови оказывают значительное влияние на спектры КРС, причем их вклад может изменяться при развитии патологических состояний [26,27]. В диапазоне 500−1800 cm −1 находится большое количество линий, индивидуальных для каждого органического соединения [28,29]. Это в основном область валентных и деформационных колебаний.…”
Section: результаты и обсуждениеunclassified
“…Это в основном область валентных и деформационных колебаний. По наличию или отсутствию конкретных линий в спектре в этом диапазоне можно определить как само исследуемое вещество, так и его концентрацию в биологическом образце [28,30].…”
Section: результаты и обсуждениеunclassified