Медицинские технологии список научных статей
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ТРЕХМЕРНЫЙ КОНЕЧНО-ЭЛЕМЕНТНЫЙ АНАЛИЗ ВЛИЯНИЯ УТРАТЫ ДЕНТАЛЬНОГО ИМПЛАНТАТА НА РАСПРЕДЕЛЕНИЕ НАПРЯЖЕНИЯ В ИМПЛАНТАЦИОННОМ ПРОТЕЗЕ НИЖНЕЙ ЧЕЛЮСТИ
Имплантационный протез может иметь всего три опорных имплантата, и утрата одного из них может повлечь за собой потерю всей конструкции. Каркасом конструкции Trefoil является стандартная балка из высокопрочного титана. При циклическом нагружении металлов и металлических конструкций возникает эффект, ...
2023 / Розов Роман Александрович, Кенджи Хигучи, Джон Брунски, Трезубов Владимир Николаевич, Смердов Алексей Андреевич, Мишнев Максим ЛеонидовичВАК -
ИДЕНТИФИКАЦИЯ ПАРАМЕТРОВ МОДЕЛИ РОГОВИЦЫ С КЕРАТОКОНУСОМ ПРИ ЧИСЛЕННО-ЭКСПЕРИМЕНТАЛЬНОМ ИССЛЕДОВАНИИ ЕЕ ГЕОМЕТРИИ И МЕХАНИЧЕСКОГО ПОВЕДЕНИЯ
Целью работы является построение расчетной методики идентификации параметров модели механического поведения роговицы с использованием трех клинических биомаркеров в качестве входных данных: амплитуда деформаций роговицы в реальном времени, измеренная в ходе бесконтактной пневмотонометрии,...
2023 / Солодкова Елена Геннадиевна, Малюгин Борис Эдуардович, Захаров Игорь Николаевич, Лэ Ван Хоанг, Фокин Виктор Петрович, Балалин Сергей Викторович, Лобанов Евгений ВалерьевичВАК -
INTELLIGENT MANGEMENT OF ENERGY SYSTEM IN MANUFACTURING PROCESS USING DATA-DRIVEN STOCHASTIC MODEL
To overcome the environmental impacts of a manufacturing factory over its life cycle, the role of sustainable energy effectiveness is vital. For this reason, implementing energy conservation technologies to empower energy efficiency has become an essential business for most manufacturing plants....
2023 / Sh. Abdufattokhov, T. Makhamatkhujaev -
EFFICIENT MATRIX MULTIPLICATION FOR CRYPTOGRAPHY WITH A COMPANION MATRIX OVER F2¹
A number of schemes in cryptography and other allied areas require operations on matrices that are computationally expensive. However, the computational load due to standard operations like multiplication can be drastically reduced by the choice of special matrices. One such special matrix is the...
2023 / Pal Santu -
Application of k-means clustering and histogram analysis to automate preprocessing of images of discomycetes obtained in the habitat
The study of biological diversity requires a thorough inventory of all groups of organisms, including destructors, among which fungi play a significant role. Discomycetes, a group of orders of fungi of the Ascomycota phylum, require close attention from researchers due to their low level of...
2023 / Darya A. Filimonova, Irina G. Vorob’Eva, Alexander Yu. FilimonovScopusВАКESCI -
Optical Properties of Perfused Rat Liver Tissues
In this work, we demonstrate the results of measuring the optical properties of rat liver tissue slices after the liver itself underwent the perfusion procedure with an isotonic solution. The approach is suggested as a means to attenuate the influence of blood absorption on recorded characteristics ...
2023 / Ksenia Kandurova, Alexander Palalov, Evgeniya Seryogina, Viktor Dremin, Andrey Dunaev, Elena Potapova -
Multicentral Agent-Based Model of Four Waves of COVID-19 Spreading in Nizhny Novgorod Region of Russian Federation
To study the characteristics of the spread of the COVID-19 pandemic and introduce timely and effective measures, there is a need for models that can predict the impact of various restrictive factors on COVID-19 disease dynamics. In this regard, it seems expedient to employ agent-based models that...
2023 / Mikhail Kirillin, Aleksandr Khilov, Valeriya Perekatova, Ekaterina Sergeeva, Daria Kurakina, Ilya Fiks, Nikolay Saperkin, Ming Tang, Yong Zou, Elbert Macau, Efim Pelinovsky -
Intraoperative Optical Diagnostics of Uterine Microcirculation during Myomectomy
Previous studies have shown that intraoperative optical diagnostics can be used to solve fundamental and applied problems in gynecology. Our article presents results from experimental in vivo intraoperative measurements of endogenous fluorescence and blood perfusion in various sections of the...
2023 / Elena Potapova, Nikolai Polenov, Karina Zakuraeva, Valentina Krutikova, Maria Yarmolinskaya, Igor Kogan -
The Effect of Photobiostimulation by Light Waves in the Blue Range of the Spectrum on Microcirculation Parameters and the Activity of Oxidative Homeostasis Enzymes in the Skin
The study employs laser doppler flowmetry and laser fluorescence spectroscopy to reveal the changes in microcirculation and activity of coenzymes of oxidative metabolism in the finger skin under the influence of photobiostimulation by monochrome incoherent low-intensity electromagnetic radiation...
2023 / Vadim V. Astashov, Valentin I. Kozlov, Vladimir A. Duvanskiy, Pavel V. Novokreshchenov, Ilya M. Pushkar -
Wearable Devices for Multimodal Optical Diagnostics of Microcirculatory-Tissue Systems: Application Experience in the Clinic and Space
This work demonstrates some results of the successful experience of using wearable devices for multimodal optical diagnostics of microcirculatory-tissue systems both in clinical practice and in the conditions of a Space experiment. The multimodal approach based on simultaneously applying a minimum...
2023 / Andrey Dunaev -
Machine Learning Algorithms for the Analysis of Age-Related Macular Degeneration Based on Optical Coherence Tomography: a Systematic Review
Age-related macular degeneration (AMD) is one of the leading causes of irreversible blindness. Every year, there is an increase in the number of patients with AMD worldwide. To date, the primary method in diagnosing AMD is optical coherence tomography (OCT), which provides the most visual data for...
2023 / Ekaterina A. Lopukhova, Rada R. Ibragimova, Gulnaz M. Idrisova, Irina A. Lakman, Timur R. Mukhamadeev, Elizaveta P. Grakhova, Azat R. Bilyalov, Ruslan V. Kutluyarov -
Diagnostics of Layer-by-Layer Biotissue Evaporation in the Process of Two-Coordinate Scanning by a Laser Beam for Precision Surgery
The use of automated and robotic systems for precision low-traumatic surgery is a common trend in modern medicine. One of the promising tools for such operations is an automated laser scalpel based on a scanner with real-time diagnostics of the process of biotissue evaporation. The paper...
2023 / Alexander K. Dmitriev, Alexey N. Konovalov, Vladimir N. Kortunov, Valery A. Ulyanov -
Bilirubinand Blue-Green Light-Induced Damage of Human Erythrocytes
Phototherapy is widely used for neonatal hyperbilirubinemia treatment; however, the most important but not completely recognized issue is the determination of the optimal spectral range of light that provides an effective reduction of bilirubin level in the blood of a newborn with minimal adverse...
2023 / Julia V. Kruchenok, Olga N. Dudinova, Vitaly Y. Plavskii -
Lower Limb Analysis of the Biomechanical Gait Cycle at Various Phases in Real Time
Biotechnology is playing an extremely important part in medical advances. In actuality, they are the basis of pathology diagnosis, which provides doctors with the quantitative data required to choose the best treatment. This study looks at the facts of a case of weak muscular activity and devises...
2023 / Zainab M. Nahi, Huda F. Jameel, Ahmed B. Fakhri -
Side-by-Side OCE-Study of Elasticity and SHG-Characterization of Collagen Fibers in Breast Cancer Tissue before and after Chemotherapy
In the recent years promising results have been shown by the use of Compression optical coherence elastography (C-OCE) as a new optical biopsy approach to morphological assessment/diagnostics of human breast cancer using differences in elastic properties of morphological components of cancerous...
2023 / Anton A. Plekhanov, Arseniy L. Potapov, Mikhail V. Pavlov, Vadim V. Elagin, Ekaterina V. Gubarkova, Alexander A. Sovetsky, Lev A. Matveev, Dmitriy A. Vorontsov, Alexander L. Matveyev, Alexey Y. Vorontsov, Sergey V. Gamayunov, Elena V. Zagaynova, Marina A. Sirotkina, Vladimir Y. Zaitsev, Natalia D. Gladkova -
Theoretical and Experimental Study of the Hair Bonding by Continuous Laser Radiation with a Wavelength of 980 nm
The possibility of hair bonding by continuous laser radiation with a wavelength of 980 nm has been studied. A computer optical model of a laser system for bonding of human hair has been created. Using the Monte Carlo method, the distribution of the power of the absorbed laser radiation in the...
2023 / Andrey V. Belikov, Yulia V. Fyodorova, Vladislav M. Ermolaev -
3D Printed Modular Vein Viewing System Based on Differential Light Absorption in the Near Infrared Range
There are many cases in the medical laboratory examinations when it is necessary to detect a vein in a patient and the blood vessels are not visible to the naked eye. In such situations, devices for optical vein visualization are required. Nowadays, the technology of optical vein visualization is...
2023 / Nikita V. Remizov, Elena M. Bataeva, Dmitry P. Stramousov, Anastasiya A. Shatskaya, Dmitry N. Artemyev -
Mathematical Analysis of Raman Spectra Data Arrays Using Machine Learning Algorithms
This paper is devoted to the application of mathematical methods of classification and differentiation of low-resolution spectral data arrays of Raman light scattering for complex biological compounds as human platelets. Spectral data arrays consisted of 1266 spectra from 4 groups of patients,...
2023 / Yana A. Byuchkova, Andrey Y. Zyubin, Vladimir V. Rafalskiy, Ekaterina M. Moiseeva -
Nonlinear Optics of Skin: Enhancement of Autofluorescence and Second Harmonic Generation Signals by Immersion Optical Clearing
Multiphoton microscopy and especially two-photon microscopy are actively used in dermatology for the diagnosis and analysis of skin diseases. The typical skin probing depth for these methods is limited to 150–200 μm due to the strong scattering properties of skin. The application of the optical...
2023 / Anton Yu. Sdobnov, Jurgen Lademann, Valery V. Tuchin, Мaxim Е. Darvin -
Analysis of Medical Images Classification Methods: The Case of Neutrophil Nuclei
A comparative analysis of methods for processing and classification of medical images was exemplified by neutrophil nuclei digital images. Special consideration was given to three methods: 1) measuring the fractal dimension of neutrophil nuclei to determine their functional state; 2) selecting the...
2023 / Anna V. Neupokoeva, Semen A. Naydenov, Elena V. Shevchenko