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Ivana Markova 한국복식학회 2019 International journal of costume and fashion Vol.19 No.1
Environmental changes are shifting our priorities for natural resource management. With the quest for more sustainable fibers, new non-conventional silybum marianumseed fibers are explored in this fiber analysis. Silybum marianum seed fibers were harvested from the seed pods of one of the most common weed plants in United States and Europe. This study examines physical and chemical characteristics of silybum marianum seed fibers. Testing was conducted in accordance with American Society for Testing and Materials (ASTM) standards. The determination of silymarin components in fibers was conducted using a liquid chromatograph summit detector (HPLC-UV) in accordance with European standards. The results of SEM microscopic analysis indicated similarity in fiber morphology to other non-conventional seed fibers such as kapok and poplar fibers. Similarity in cross-section and longitudinal views amongst non-conventional seed fibers established them to be a promising natural source for a variety of end uses. Additionally, moisture content, chemical composition, and silymarin extraction testing of Silybum marianum seed fibers were conducted. Silymarin extraction indicated presence of silymarin in fibers, however, further testing needs to be conducted on whether silymarin would be absorbed from thistle fibers to human body through dermal absorption – thus providing medicinal benefits.
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Use of Multimedia Technologies in the Training of Physical Culture and Sports Specialists
Shevchenko, Olha,Bahinska, Olha,Markova, Olena,Broiakovskyi, Oleksandr,Bielkova, Tetyana,Honcharenko, Ivan,Bida, Olena International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.7
Educational reform in Ukraine encourages the use of multimedia technologies in the training of specialists in Physical Education and Sports, which is one of the promising directions of education development. Therefore, the article specifies the content of the terms "innovation" and "technology". For modern society, the introduction of multimedia technologies in education is not so much theoretical as pragmatic, since under condition of globalization it concerns its historical development and prospects associated with the so-called "high technologies".Our goal is to improve the training of Physical Education and Sports specialists by means of multimedia technologies. All of innovative technologies can be divided into four groups, depending on the appropriate form of educational activity for their use. The development of multimedia technologies in the training of specialists in Physical Education and Sport at the present stage of education development should be carried out in accordance with the criteria of manufacturability, which are presented in the article: scientism, to rely on the theoretical provisions of pedagogical science and methods of teaching the discipline, socially recognized educational goals, prospects for modernization of Education; consistency, which provides for the interaction of parts and the whole in the organization of the study environment, as a result of which the physical development of the young generation is an integral entity; guarantee, that is, the error between the planned and obtained results should be minimal; manageability, that is, full management of the stages of work of the teacher and students, which make up the completed cycle of actions; mass participation, for the purpose of applying the technology does not depend on the physical training of students, the pedagogical skill of the teacher and the type of educational institutions. The article presents the theory and method of organizing sports events and circuses in the training of specialists in Physical Education and Sports by means of multimedia technologies. In order to increase the level of physical development of a person, physical fitness and the state of health of students, which has a clear trend to constant deterioration, it is necessary to instill love for sports, carry out high-quality training and organize sports events using multimedia technologies. In the process of sports activities, the participants' mental education is carried out. There are two types of communication here: direct and indirect, which are described in the article.In games and sports competitions, there are many opportunities for forming rules of collective behavior. The main issues of the organization of sports activities by means of multimedia technologies have been clarified. During sports competitions, the tasks presented in Physical Education and sports classes are improved, which ensure the improvement of physical and theoretical training of the individual. The pleasure of sports, bright, emotional spectacles, confirmed by multimedia technologies, arises from the participation of the viewer in them.
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( Ashot Mkrtumyan ),( Tatiana Markova ),( Vadim Kichigin ),( Dmitry Mapkov ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: the frequency of obesity in the general population ranges from 2.9% to 42%, depending on gender and ethnicity. Objective: to study the prevalence of obesity and metabolic syndrome (MS) in ethnic groups (Russian, Chuvash) population inhabitants of the Chuvash Republic (Russia). Methods: obesity is associated with formation of MS, and cardiovascular diseases. The frequency of obesity in the general population ranges from 2.9% to 42%, depending on gender and ethnicity. Objective: to study the prevalence of obesity and MS in ethnic groups (Russian, Chuvash) population inhabitants of the Chuvash Republic (Russia). Results: the prevalence of obesity in the Chuvash Republic was 14.6%. Among Russianprevalence of obesity was higher than among the Chuvash: 17.2% vs. 9.1%, pχ 2 <0.001. Obesity was recorded more often in women - 15.8%, than men - 8.1% pχ 2 <0.001. Obesity is diagnosed in 23.0% of Russian women and 7.7% of Russian men (pχ2 <0.001), in 11.2% of the Chuvash women and 6.1% men Chuvash (pχ2 <0.001). Frequency of MS was 19.5%. Laws of MS prevalence with gender and ethnic components were similar laws prevalence of obesity: in Russian MS was recorded twice as likely than the Chuvash: 27.8% versus 12.8%, pχ2 <0.001, and women more often than men: 23.3% vs. 12.0%, pχ2 <0.001. Frequency of MS in Russian women (34.9%) was signifi cantly higher compared to Russian men (14.3%, pχ2 = 0.001), while the Chuvash women (16.0%) higher than the Chuvash men (8.0 %, pχ2 <0.001). Conclusions: the prevalence of obesity and MS in the Chuvash Republic is dependent on gender (women more than men) and nationality (in Russian more than the Chuvash). Low incidence of obesity in the Chuvash causes and lesser prevalence of MS in the Chuvash compared to Russian.
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Olga Zhukova,Sergey Dydykin,Eliska Kubíková,Natalia Markova,Yuriy Vasil’ev,Marina Kapitonova 대한성형외과학회 2022 Archives of Plastic Surgery Vol.49 No.3
Background In recent years thread lift has become widespread; however, existing methods need to improve their long-term outcome, which requires considering topographic anatomy of face and neck, especially the ligamentous apparatus. This study aims to assess the effectiveness and safety of an innovative method of one-time three-step thread facelift, which provides an additional support to the ligamentous structures of the upper, middle, and lower thirds of the face and neck. Methods The study included 357 patients aged 32 to 67 years with various morphotypes of aging. The original method of thread lift was applied, and its effectiveness was followed up for to 2 years. The Wrinkle Severity Rating Score (WSRS) and Global Aesthetic Improvement Scale (GAIS) scores were used for assessment by investigators, independent observers, and patients. Statistical significance was determined using paired t-test and chi-square test. Results The meanWSRS score was 3.880.88 before the thread lift, 1.930.81 one month after the procedure, and 2.360.85 after 2 years of follow-up. The mean GAIS was 4.800.04 one month after thread lift, and 4.010.04 after 2 years, while in the patients’ assessment Global Satisfaction Scale was 4.860.02 and 4.100.02, respectively. There were no clinically significant complications throughout the observation period. Conclusion The new method of one-time three-step thread fixation of the soft tissues of the face and neck demonstrated a high degree of satisfaction by both experts and patients after 2 years of follow-up. It showed high efficacy and safety, including in the group of patients with pronounced age-related changes of the skin of face and neck.
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Correlation of Early Outcomes and Intradiscal Interleukin-6 Expression in Lumbar Fusion Patients
John D. Koerner,Dessislava Z. Markova,Greg D. Schroeder,Christopher L. Antonacci,Joseph Mendelis,Alexander R. Vaccaro,D. Greg Anderson,Chris K. Kepler 대한척추신경외과학회 2020 Neurospine Vol.17 No.1
Objective: To determine if there is correlation between intradiscal levels of interleukin-6 (IL-6) and early outcome measures in patients undergoing lumbar fusion for painful disc degeneration. Methods: Intervertebral disc tissue was separated into annulus fibrosus/nucleus pulposus and cultured separately in vitro in serum-free medium (Opti-MEM). Conditioned media was collected after 48 hours. The concentration of IL-6 was quantified using enzyme-linked immunosorbent assay. Pearson correlation coefficients quantified relationships between IL-6 levels and pre- and postoperative visual analogue scale (VAS) back pain and Oswestry Disability Index (ODI), as well as change in VAS/ODI. Results: Sixteen discs were harvested from 9 patients undergoing anterior lumbar interbody fusion (mean age, 47.4 years; range, 21–70 years). Mean preoperative and 6-month postoperative VAS were 8.1 and 3.7, respectively. Mean preoperative and postoperative ODI were 56.2 and 25.6, respectively. There were significant positive correlations between IL-6 expression and postoperative VAS (ρ=0.38, p=0.048) and ODI (ρ=0.44, p=0.02). No significant correlations were found between intradiscal IL-6 expression and preoperative VAS (ρ=-0.12, p=0.54). Trends were seen associating IL-6 expression and change in VAS/ODI (ρ=-0.35 p=0.067; ρ=-0.34, p=0.08, respectively). A trend associated IL-6 and preoperative ODI (ρ=0.36, p=0.063). Conclusion: The direct association between IL-6 expression and VAS/ODI suggests patients with elevated intradiscal cytokine expression may have worse early outcomes than those with lower expression of IL-6 after surgery for symptomatic disc degeneration.
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Utilization of color change in the condition monitoring of synthetic hydraulic oils
Ossia, Chinwuba Victor,Hosung, Kong,Markova, Lyiubov V. Emerald Group Publishing Limited 2010 Industrial lubrication and tribology Vol.62 No.6
<B>Purpose</B> - The purpose of this paper is to present an optical technique for the condition monitoring of synthetic hydraulic oil; a deviation from the current techniques based on electrical principles which could be masked by wear particles and polar contaminants in oil. <B>Design/methodology/approach</B> - Color-change detecting device was developed using light-emitting diodes, optic fibers and photodiodes of three-color-sensing elements. Color ratio (CR) and total contamination parameters based on transmitted light intensity in red, green, and blue wavelengths were used for oil chemical and particulate contamination assessment. <B>Findings</B> - CR criterion was found independent of the particulate contamination of oil; but depended on chemical degradation. Total contamination index of the device depended on both the chemical degradation and particulate contamination of the oil, being most sensitive in blue wavelength, and least in the red. Test results for synthetic hydraulic oils monitored corroborated with results of viscosity, total acid number, RDE emission spectrometry, particulate counts and UV-Vis photospectrometry. CR showed a clearer indication of oil degradation, compared to key monitoring parameters such as total acid number, viscosity, RDE emission spectrometry and particle counts. <B>Originality/value</B> - This paper demonstrates how oil chemical degradation and total contamination could be detected through the device, before incipient wear occurs at tribological interfaces. The results showed that the color-change parameters are effective criteria for the condition monitoring of synthetic hydraulic oils.
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CHROMA TIC PARAMETERS IN THE CONDITION MONITORING OF SYNTHETIC HYDRAULIC OILS
C.V. Ossia,H. Kong,H.G. Han,L. Markova,V. Makarenko 한국트라이볼로지학회 2007 한국트라이볼로지학회 학술대회 Vol.2007 No.6
Chromatic device was developed using light emitting diodes, optic fibers and photodiodes. Chromatic ratio and total contamination parameters based on transmitted light intensity in Red, Green, and Blue wavelengths were used for oil chemical and particulate contamination assessment. Chromatic ratio criterion was found independent of the particulate contamination of oil; but depended on chemical degradation, being more sensitive for synthetic than mineral hydraulic oil. Total contamination index of the sensor depended on both the chemical degradation and particulate contamination of the oil, being most sensitive in blue wavelength, and least in the red. Test results for synthetic hydraulic oils monitored corroborated with results of other tests such as viscosity, total acid number, elemental optical emission spectroscopy, particulate counts and UV - VIS photospectrometry. Chromatic ratio showed a clearer indication of oil degradation, compared to key monitoring parameters such as total acid number, viscosity and particle counts. The results showed that these parameters are effective criteria for the condition monitoring of synthetic hydraulic oils.
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