Перегляд за автором "Glasmacher, B."
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Публікація Acoustomagnetic detection of magnetic nanoparticles in a model(The International Journal of Artificial Organs, 2019) Bondarenko, I. S.; Аврунін, О. Г.; Gryshkov, O.; Glasmacher, B.; Bondarenko, S. I.; Krevsun, A. V.; Rakhimova, M. V.Magnetic nanoparticles (MNPs) are used in medicine for targeted drug delivyry to the area of the cancer. The installation consists of the ultrasound generator, the permanent magnet, the glass containerwith the colloidal mixture, the multi-turn coil about of the glass tube and the voltmeter. The experimental result corrilates with the calculated ones. It is suggested that AMM can used to detect MNPs in the real biological substance.Публікація Advances in cryopreservation of alginate-encapsulated stem cells and analysis of cryopreservation outcome(Інститут проблем кріобіології та кріомедицини НАН України, 2018) Gryshkov, O.; Mutsenko, V.; Tymkovych, M.; Tarusin, D.; Sirotinskaya, V.; Braslavsky, I.; Аврунін, О. Г.; Glasmacher, B.Advances in cryopreservation of alginate-encapsulated stem cells and analysis of cryopreservation outcome is described.Публікація Creation Features of Devices for Testing Nasal Breathing(ХНУРЕ, 2020) Аврунін, О. Г.; Носова, Я. В.; Тимкович, М. Ю.; Худаєва, С. А.; Glasmacher, B.; Ibrahim Younouss AbdelhamidThe paper is devoted to the questions of metrological certification of tests of the device of rhinomanometry type PRX. The main stages of the methodology of metrological certification, as well as design and technological aspects in the development of rhinomanometers with a measuring unit are described.Публікація Cross-linked alginate structures for engineering of scaffolds for neural tissue engineering(Prague, Czech Republic, 2018) Glasmacher, B.; AL Halabi F.; Gryshkov, O.; Avakian, A.; Аврунін, О. Г.Cross-linked alginate structures for engineering of scaffolds for neural tissue Engineering are describedПублікація Cryopreservation of stem cells within intact alginate microspheres(IUPESM, Prague, Czech Republic, 2018) Gryshkov, O.; Tymkovych, M.; Аврунін, О. Г.; Glasmacher, B.Cryopreservation processes of stem cells within intact alginate microspheres are described.Публікація Determination of nasal breathing disorders according to computer tomography(IEEE, 2020) Avrunin, O. G.; Nosova, Y.; Tymkovych, M.; Khudaieva, S.; Yurevych, N.; Glasmacher, B.The most important factor that determines the normal functional state of the nasal mucosa is that which passes through it during inhalation and exhalation air flow, which, entering the nasal cavity, due to the active expansion of the chest feels resistance from the surrounding structures. This factor is influenced by an indicator such as air flow resistance, with 54% of the total resistance of the respiratory system to the upper respiratory tract, including 46% of the resistance of the nasal cavity. In addition, it is necessary to study the aerodynamic laws that play an important role in the regulation of the degree of nasal resistance. Nasal resistance can be affected by a variety of external factors and pathological processes in the nasal mucosa: cold air inhalation, hyperventilation, allergy and inflammation, alcohol abuse. Thus, the blood supply in the cavernous venous plexuses promotes swelling of the nasal membranes, an increase in their size, and narrowing of the lumen of the nasal valve to completely block the nasal cavity, causing changes in normal function. Such air flow supports clearly require an objective study to overcome it. Given that the objective assessment of nasal resistance is extremely difficult, it is necessary to create additional diagnostic methods, tools and criteria based on data from a complex of diagnostic measures, such as computed tomography, endoscopy, rhinomanometry.Публікація Ethylene glycol improves cryopreservation of cell-seeded electrospun scaffolds in cryobags(Zalozba FE, 2020) Аврунін, О. Г.; Avrunin, O. G.; Тимкович, М. Ю.; Tymkovych, M.; Glasmacher, B.; Gryshkov, O.Cryopreservation of functional three-dimensional tissue-engineered constructs described. This work suggests that using controlled cryopreservation steps and EG as a non-toxic CPA, efficient cryopreservation of TECs in cryobags becomes feasible.Публікація Experience of development and use of specialized software intended for automated analysis of alginate structures(ХНУРЕ, 2019) Gryshkov, O. P.; Tymkovych, M. Y.; Аврунін, О. Г.; Glasmacher, B.The work is devoted to the problem of three-dimensional reconstruction of alginate capsules and their subsequent analysis. The results of the software are shown and the main stages of its work are described. They include such image processing operations as filtering, segmentation, morphological operations, classification, construction of Hough space with the subsequent analysis stage.Публікація Image processing for semi-automated microscopic analysis of ice recrystallization process during isothermal annealing(IJBM, 2018) Prykhodko, M. V.; Тимкович, М. Ю.; Аврунін, О. Г.; Mutsenko, V. V.; Gryshkov, O.; Glasmacher, B.Investigation of the process of crystallization is a complex and important task, especially in cryopreservation of biological material for medical purposes. In the current work, the process of processing and analyzing a series of microscopic images during freezing and thawing is considered. Based on available literature as well as our image processing approach, it is now possible to analyze ice recrystallization process during thawing and isothermal annealing. Moreover, using our approach tracking of certain ice crystals can be performed. This knowledge can now be applied for precise determination of the efficiency of inhibition of ice recrystallization of novel and low-toxic cryoprotective agents.Публікація Image-series analysis for recrystallization process evaluation(ХНУРЕ, 2018) Аврунін, О. Г.; Тимкович, М. Ю.; Tymkovych, M.; Gryshkov, O.; Glasmacher, B.Developed software for analyzing the process of recrystallization by a series of microscopic images. Based on the obtained parameters of recorded crystals, identification and temporary binding of structures in different time intervals are possible. The process of processing a series of microscopic images is considered, the main stages and the arising difficulties at each of them are revealedПублікація Multiscale quantitative analysis of microscopic images of ice crystals(The International Journal of Artificial Organs, 2019) Tymkovych, M. Y.; Аврунін, О. Г.; Gryshkov, O.; Selivanova, K. G.; Mutsenko, V.; Glasmacher, B.It was analyzed multiple images. The results in the first approximation show a 2-fold increase in speed when using our implementation of active contours. At the same time, the segmented areas of crystals correspond to the approach without the use of multi-scale image representation.Публікація Optimal cryopreservation yields intact alginate microspheres and high cell viability after thawing(Інститут проблем кріобіології та кріомедицини НАН України, 2018) Gryshkov, O.; Tymkovych, M.; Rittinghaus, T.; Аврунін, О. Г.; Glasmacher, B.Оптимальные выходы криоконсервации интактные альгинатные микросферы и высокая жизнеспособность клеток после оттаивания описаны.Публікація Possibilities of joint application of acoustic radiation and direct magnetic field for biomedical research(IJBM, 2018) Бондаренко, І. С.; Аврунін, О. Г.; Gryshkov, O.; Glasmacher, B.Application of magnetohydrodynamical process for the estimation of expected values of electric voltage on a part of the biological environment highlights the practical possibility of this approach to detect and monitor the properties of live tissues and organisms. Our work shows that such safe and contactless method to allocate magnetic particles in the biological environment by means of the joint influence of a direct magneticПублікація Research of laminar boundary layer influence of the air flow on the mucous membrane of the nasal cavity(2019) Avrunin, O. G.; Носова, Я. В.; Gryshkov, O.; Glasmacher, B.; Shushliapina, N.; Аврунін, О. Г.A model of the distribution of airflow velocities in the nasal cavity in the turbulent mode is proposed; it has a logarithmic or power profile cross section, and within the laminar boundary layer the air velocity increases linearly to almost the maximum value. The current air velocity in the cross sections amounted to 5-7 m / s.Публікація The distribution of the velocity and pressure fields in the nasal cavity at different respiration modes(IJBM, 2018) Носова, Я. В.; Аврунін, О. Г.; Shushliapina, N. O.; Gryshkov, O.; Glasmacher, B.The three-dimensional modeling of the air flow through the nasal cavity allows to map the nasal passages along the parameters studied and to study their local values, which is important for the planning of minimally invasive surgical interventions. The numerical modeling of the air flow in the nasal cavity with the help of software packages requires a large time (up to several working days), which is associated with a rather cumbersome stage of preparing the initial data.Публікація Tracking of endotelial cells of cryo-micro preparations based on transformation cells.(Hannover, Germany, 2013) Tymkovych, M.; Аврунін, О. Г.; Glasmacher, B.Tracking of endotelial cells of cryo-micro preparations based on transformation cells is described.Публікація Using 3D printing technology to full-scale simulation of the upper respiratory tract(IAPGOS, 2019) Avrunin, O. G.; Nosova, Ya.; Ibrahim Younouss Abdelhamid; Gryshkov, O.; Glasmacher, B.; Аврунін, О. Г.Проект «Впровадження швидкого прототипування для моделювання верхніх дихальних шляхів при нормальних та типових патологіях» досліджує актуальну проблему підвищення надійності діагностики та ефективності лікування порушень носового дихання. Розглядаються характеристики та можливості сучасної технології 3D-друку для створення індивідуальних природних анатомічних моделей верхніх дихальних шляхів та визначення їх аеродинамічності. Досліджено характеристики ламінарного шару повітряного потоку в порожнині носа при різних режимах дихання при нормальному та при типових порушеннях носового дихання.