Search results for: HUMAN BODY
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Fast Fading Characterization for Body Area Networks in Circular Metallic Indoor Environments
PublicationWith the increasing development of 5G and Body Area Network based systems being implemented in unusual environments, propagation inside metallic structures is a key aspect to characterize propagation effects inside ships and other similar environments, mostly composed of metallic walls. In this paper, indoor propagation inside circular metallic structures is addressed and fast fading statistical distributions parameters are obtained...
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A new method of presosns identification based on comparative analysis of 3D face models
PublicationThe article presents the use of modern close range photogrammetry for possessing highly accurate 3D models of the human face (including the ears). Modern methods used to obtain precise data describing the construction of a human face, and even the whole human body, should allow to get finished measurement material in a very short time. Those features belong to the optical scanning technology. Comparative analysis of models of the...
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Gender differences in body-esteem among seniors: Beauty and health considerations
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The Body as an Object of Stigmatization in Cultures of Guilt and Shame: A Polish–Vietnamese Comparison
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Renal morphology assessed by ultrasound in relation to central haemodynamics and body fat
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Fabrication of diet supplements components applied in order to reduce body mass
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Verification of the exponential model of body temperature decrease after death in pigs
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Completing Autophagy: Formation and Degradation of the Autophagic Body and Metabolite Salvage in Plants
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The bahaviour of selected silver coated body implants in presence of various bacteria
PublicationThe article deals with implants covered with silver nanoparticles and its influence on bacteria adhesion.
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Optimal segmented dampers configuration for a laminar body carrying variable payload
PublicationPublikacja prezentuje zagadnienia analizy doboru tłumienia i konfiguracji elementów tłumiących dla ciała płaskiego poddanego dwóm stanom obciążenia. W pracy zaakceptowano użycie elementów tłumiących o tłumieniu wiskotycznym i o współczynniku tłumienie zależnym od położenia tłoka tego elementu. Ponieważ różne aspekty komfortu prowadzą do przeciwnych wytycznych odnośnie wyboru własności tłumiących, rozwiązanie dobory parametrów tłumienia...
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Simultaneous determination of Na+, K+, Ca2+, Mg2+ and Cl- in unstimulated and stimulated human saliva using all solid state multisensor platform
PublicationHuman saliva is one of the body fluids which collection method is relatively simple and non-invasive. The article is dedicated to assess concentration (activity) of Na+, K+, Ca2+, Mg2+ and Cl- in fresh, unstimulated or stimulated human saliva samples using single solid contact ion-selective electrodes with conventional reference electrode and self-made multisensor platform (MP) equipped with ion-selective membranes for Na+, K+,...
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A Conception of Pairwise Comparisons Model for Selection of Appropriate Body Surface Area Calculation Formula
PublicationBody surface area (BSA) may be computed using a variety of formulas, but the computed BSA differs from real BSA values for particular subjects. This is presented in the paper by computing BSA values for selected subject and comparing them to the real BSA value obtained with the use of a 3D body scanner. The results show inequalities in the relevant BSA computing formulas. Hence, there is a need to determine a method that will allow...
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Degradable poly(ester-ether) urethanes of improved surface calcium deposition developed as novel biomaterials
PublicationBones, which are considered as hard tissues, work as scaffold for human body. They provide physical support for muscles and protect intestinal organs. Percentage of hard tissues in human body depends on age, weight, and gender. Human skeleton consists of 206 connected bones. Therefore, it is natural that the hard-tissue damage such as fractures, osteoporosis, and congenital lack of bone may appear. The innovative way of bone healing...
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Fading Analysis in Off-Body Channels in a Straight Metallic Corridor in a Passenger Ferry Environment
PublicationThis paper presents a fading analysis for Body Area Networks off-body communications at 2.45 GHz in a passenger ferry environment. The results are based on measurements performed for dynamic scenarios in a straight metallic corridor. Two components, extracted from instantaneous system loss values, have been analysed: small- and large-scales fading, separately for each scenario. Well-known probability distribution functions have...
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On the Usefulness of the Generalised Additive Model for Mean Path Loss Estimation in Body Area Networks
PublicationIn this article, the usefulness of the Generalised Additive Model for mean path loss estimation in Body Area Networks is investigated. The research concerns a narrow-band indoor off-body network operating at 2.45 GHz, being based on measurements performed with four different users. The mean path loss is modelled as a sum of four components that depend on path length, antenna orientation angle, absolute difference between transmitting...
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A method for preliminary estimation of the length of midship body block to be inserted during ship’s conversion
PublicationThe paper presents a method for preliminary estimation of the length of the midship body block, which inserted in the original hull, increases the deadweight of the ship in line with a required quantity. The method may be useful for establishing the scope of conversion to better adjust the ship for transportation tasks. The problem is formulated by using a mathematical model so selected that its solution, under set of assumptions,...
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Uwarunkowania propagacyjne w ultraszerokopasmowej komunikacji typu off-body w środowisku trudnym
PublicationW niniejszym referacie przedstawiono analizę uwarunkowań propagacyjnych w ultraszerokopasmowej komunikacji typu off-body w środowisku trudnym pod względem propagacji fal radiowych. Badania przeprowadzono z użyciem mobilnego stanowiska pomiarowego zawierającego węzły sieci WBAN wyposażone w ultraszerokopasmowe moduły radiowe DWM1000 firmy DecaWave. Uzyskane wartości tłumienia systemowego przeanalizowano dla dwóch dynamicznych scenariuszy...
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Wireless Body Area Network for Preventing Self-Inoculation Transmission of Respiratory Viral Diseases
PublicationThis paper proposes an idea of Wireless Body Area Networks (WBANs) based on Bluetooth Low-Energy (BLE) standards to recognize and alarm a gesture of touching the face, and in effect, to prevent self-inoculation of respiratory viral diseases, such as COVID-19 or influenza A, B, or C. The proposed network comprises wireless modules placed in bracelets and a necklace. It relies on the received signal strength indicator (RSSI) measurements...
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Degradation of implantable materials – in vivo and in vitro research
PublicationThe article concerns the biological and electrochemical degradation of metallic implants in vivo and in vitro studies. The in vivo research dealt with degradation of plates used to join bones, as well as endoprostheses. The most common damages were: metalosis, breaking in the microstructure changes, breaking in area of holes, as well as plastic deformation throughout the length of an implant. The material used for the research...
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Narcissism as a Moderator of Satisfaction with Body Image in Young Women with Extreme Underweight and Obesity
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Mental state and quality of life after 10 session whole-body cryotherapy
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The improvement of cognitive deficits after whole-body cryotherapy – A randomised controlled trial
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Body mass, depressive symptoms and menopausal status: An examination of the “Jolly Fat” hypothesis
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Food sources of natural antioxidants for body defense against SARS-CoV-2
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Four-body recombination in organic bulk heterojunction solar cells: an alternative interpretation
PublicationWe demonstrate a new interpretation of the previously reported quadrimolecular recombination in organic bulk heterojunction solar cells. It is suggested that the recently described (Szmytkowski 2012 Phys. Status Solidi RRL 6 300) interaction between exciton and electron–hole Langevin bound pair formed across the donor–acceptor interface is a four-particle process. This is in opposition to the treatment of this effect as a three-particle...
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Current epidemiological situation in the context of inclusion body hepatitis in poultry flocks in Poland
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Comparison of EFD and CFD investigation of velocity fields for selected body-propeller configurations
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Comparison of EFD and CFD investigation of velocity fields for selected body-propeller configurations
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Relationship between polymorphism in the CRH gene and the traits of body conformation of Salers cows
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Effects of whole-body vibration warm-up on subsequent jumping and running performance
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EMPIRYCZNY MODEL TŁUMIENIA PROPAGACYJNEGO DLA SIECI WBAN TYPU OFF-BODY
PublicationW referacie przedstawiono wąskopasmowy empiryczny model tłumienia propagacyjnego dla sieci WBAN pracujących w środowisku wewnątrzbudynkowym przy częstotliwości 2,45 GHz.
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Starter for Voltage Boost Converter to Harvest Thermoelectric Energy for Body-Worn Sensors
PublicationThis paper examines the suitability of selected configurations of ultra-low voltage (ULV) oscilla-tors as starters for a voltage boost converter to harvest energy from a thermoelectric generator (TEG). Important properties of particularly promising configurations, suitable for on-chip imple-mentation are compared. On this basis, an improved oscillator with a low startup voltage and a high output voltage swing is proposed. The applicability...
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Jacek Rumiński prof. dr hab. inż.
PeopleWykształcenie i kariera zawodowa 2022 2016 2002 1995 1991-1995 Tytuł profesora Habilitacja Doktor nauk technicznych Magister inżynier Prezydent RP, dziedzina nauk inżynieryjno-technicznych, dyscyplina: inzyniera biomedyczna Politechnika Gdańska, Biocybernetyka i inżyniera biomedyczna, tematyka: „Metody wyodrębniania sygnałów i parametrów z różnomodalnych sekwencji obrazów dla potrzeb diagnostyki i wspomagania...
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ANALIZA POLARYZACJI I TŁUMIENIA FAL RADIOWYCH W SIECIACH WBAN TYPU OFF-BODY
PublicationPrzedstawiono analizę polaryzacji fal radiowych i empiryczny wąskopasmowy model propagacyjny dla sieci WBAN typu off-body, dla częstotliwości 2,45 GHz i środowiska biurowego. Zarówno obecność ciała ludzkiego, jak i warunki propagacyjne mają duży wpływ na depolaryzację sygnału radiowego. Model składa się z trzech składowych: tłumienia średniego, wyrażonego przez logarytmiczną funkcję odległości, zaników wolnozmiennych modelowanych...
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Fast Fading Influence on the Deep Learning-Based LOS and NLOS Identificationin Wireless Body Area Networks
PublicationIn the article, the fast fading influence on the proposed DL (Deep Learning) approach for LOS (Line-of-Sight) and NLOS (Non-Line-of-Sight) conditions identification in Wireless Body Area Networks is investigated. The research was conducted on the basis of the off-body communication measurements using the developed mobile measurement stand, in an indoor environment for both static and dynamic scenarios. The measurements involved...
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The Use of Vegetables in the Biomonitoring of Cadmium and Lead Pollution in the Environment
PublicationLead and cadmium emitted from various anthropogenic sources have the ability to accumulate in tissues of living organisms. The phenomenon of accumulation of metals in the body is harmful and undesirable. On the other hand, the ability of plants to accumulate heavy metals from the individual elements of the environment has been used in biomonitoring of pollution. Leaf and root of vegetables have particular predisposition for accumulating...
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Body Sensor Networks
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Deformation of an elastic second gradient spherical body under equatorial line density of dead forces
PublicationWe consider deformations of an elastic body having initially a spherical shape. Assumed deformation energy depends on the first and second gradient of displacements. We apply an equatorial line density of dead loads, that are forces per unit line length directed in radial direction and applied along the equator of the sphere. We restrict ourselves our analysis to the case of linearized second strain gradient isotropic elasticity...
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Badanie i analiza efektywności alokacji strumieni danych w heterogenicznej sieci WBAN
PublicationW niniejszej dysertacji doktorskiej poddano dyskusji efektywność alokacji strumieni danych w heterogenicznej radiowej sieci WBAN (Wireless Body Area Networks). Biorąc pod uwagę dynamiczny rozwój nowoczesnych sieci radiokomunikacyjnych piątej generacji (5G), którego część stanowią radiowe sieci działające w obrębie ciała człowieka, bardzo ważnym aspektem są metody maksymalizujące wykorzystanie dostępnych zasobów czasowo –częstotliwościowych...
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HPLC-coupled post-column derivatization aims at characterization and monitoring of plant phytocomplexes, not at assessing their biological properties
PublicationTwo recent decades of research identified a number of environmental factors as well as mechanisms leading to pathogenic processes in the human organism. A common factor in pathogenesis of many diseases is oxidative stress, a condition in which the production of damaging reactive oxygen species (ROS), present in the body as an inevitable consequence of respiration and exacerbated by the inflammatory response and by exogenous factors...
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Body Dissatisfaction, Restrictive, and Bulimic Behaviours among Young Women: A Polish–Japanese Comparison
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Revelations About Carotid Body Function Through its Pathological Role in Resistant Hypertension
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Effect of the 5-HTTLPR polymorphism on affective temperament, depression and body mass index in obesity
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Study of free convective boundary layer of isothermal lateral surface of axisymmetrical horizontal body
PublicationPrzedstawiono rozwiązanie równań Naviera-Stokesa i Fouriera-Kirchhoffa we współrzędnych tau i sigma. Pierwsza jest styczną a druga normalną do konwekcyjnych linii prądu, wzdłuż jakich porusza się ogrzany od powierzchni płyn. Wynik w postaci równania na grubość warstwy przyściennej zweryfikowano dla granicznych przypadków ciała obrotowego o poziomej osi symetrii (stożka poziomego i kołowej pionowej płyty).
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Non-standard contact conditions in generalized continua: microblock contact model for a Cosserat body
PublicationGeneralized continuum theories involve non-standard boundary conditions that are associated with the additional kinematic variables introduced in those theories, e.g., higher gradients of the displacement field or additional kinematic degrees of freedom. Accordingly, formulation of a contact problem for such a continuum necessarily requires that adequate contact conditions are formulated for the additional kinematic variables and/or...
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Onychophagia (nail biting): A body focused repetitive behavior due to psychiatric co-morbidity.
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Novel Adaptive Method for Data Streams Allocation Based on the Estimate of Radio Channel Parameters in Heterogeneous WBAN Network
PublicationThe new adaptive method for data streams allocation in heterogeneous Wireless Body Area Networks and meas-urement equipment is presented. The results obtained using the developed method compared with the selected algorithms likely to be used in those networks. The pro-posed adaptive data streams allocation method based on radio channel parameters makes it even twice as efficient to use in terms of resources usage in a WBAN heterogeneous...
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Automatic analysis of the aggressive behavior of laboratory animals using thermal video processing
PublicationThe bite detection is very important but difficult element of the social interaction analysis. Standard observation methods like human observer or a camcorder of visible light frequencies fail in this case. However, it is possible to discern cooler spots on the rodent's body that appear after body contact with another individual, and vanish after short time. These spots are assumed to be a saliva trace left on fur after bite. In...
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Żywność funkcjonalna- najważniejsze osiągnięcia w zakresie badań i wykorzystania
PublicationW wielu ośrodkach naukowych trwają badania ukierunkowane na poznanie mechanizmów działania składników żywności funkcjonalnej na poziomie ekspresji genetycznej, co stwarza możliwość precyzyjniejszego scharakteryzowania funkcji bioaktywnych składników diety z uwzględnieniem zmienności genetycznej populacji. Daje to w efekcie bardziej wiarygodne wyniki badań naukowych dotyczących wpływu bioaktywnych składników diety na funkcjonowanie...
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Prebiotics and probiotics in food
PublicationNowadays, food is not only used to satisfy hunger and is a source of nutrients, but is also considered a factor that directly affects human health. Consumers are looking for high-quality products that contain bioactive ingredients that affect the proper functioning of the body and good mood. Functional foods, which must exhibit health benefits when consumed as part of a balanced diet, are becoming increasingly popular among health-conscious...