Possibilities of mathematical non-linear-dynamics-method ... A... · Anna A.Oleshkevich, Svetlana...
Transcript of Possibilities of mathematical non-linear-dynamics-method ... A... · Anna A.Oleshkevich, Svetlana...
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POSSIBILITIES OF MATHEMATICAL NON-LINEAR-DYNAMICS-METHOD APPLICATION IN LABORATORY BIOPHYSICAL EXPERTISE
Anna A. Oleshkevich, Svetlana A. Komarova,
Anna V. Novikova
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Moscow State Academy of Veterinary
Medicine and Biotechnology – MVA
by K. I. Skryabin (Moscow SAVMB)
http://www.mgavm.ru
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MATERIALS AND METHODS
• The experimental work was
carried out at the Department
of Information Technology,
Mathematics and Physics of
Moscow State Academy of
Veterinary Medicine and
Biotechnology.
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AIM OF THE WORK
The aim of the work was to study
the perspectivity of experimental
biophysical methods’ attracting for
the solving the problem of wool
examination
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OBJECT OF STUDY
The object of our study was a native animal hair. Part
of the hair samples was obtained in the forensic
biological examination laboratory at the Ministry of
Justice of the Russian Federation, part of the hair
(goats) was obtained from live animals from a farm in
the Noginsky district of the Moscow region
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HAIR
The study was curried out both
in guard and down hair, cut with
scissors at the level of leather,
which ensured the presence of
all parts of the hair in the object.
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THE OBJECTS OF THE STUDY
INCLUDED:
• 1. The ability to use to identify
hair microscopy in reflected light.
• 2. The possibility of using the
software package "HarFA 5.1" for
processing the obtained
micrographs.
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THE OBJECTS OF THE STUDY INCLUDED:
The authors explored the possibility of
fluorescence microscopy methods using in
conjunction with the methods of mathematical
non-linear dynamics to determine the species of
animal hair.
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SOFTWARE PACKAGE “HARFA”
In the software package “HarFA”, by
determining the regression equations and
constructing the corresponding graphs and
histograms, we conducted a fractal analysis
of the images of animal hair using the
method of A. A. Oleshkevich and co-
authors
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SOFTWARE PACKAGE “HARFA”- METHOD
This method allows to
take micrographs of hair
and to carry out their
fractal analysis using the
“HarFA 5.1” software
package
[RF patent for invention
№ 2640177].
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M I C R O P H O T O G R A P H O F H A I R I N
R E F L E C T E D L I G H T
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FRACTAL ANALYSIS OF MICROGRAPHS OF POLAR BEAR HAIR IN REFLECTED LIGHT :
A - GRAPHS AND REGRESSION EQUATIONSB - HISTOGRAM
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RESULTS
• The analysis shows that the use of light
microscopy-method is not informative.
• There is no any fractal structure of the
object in the figure
• There are no specific differences in the
histograms
• Coefficients of the fractal dimension
are absent.
• Comparison of the analysis of hair in
reflected light with the results of
fractal analysis revealed a great
information content of the method.
• The materials obtained show that the
use of microscopy in reflected light
could not identify a kind of animal hair.