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Search results for: DIAGNOSTIC MARKERS
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Fluorescent spectroscopy of collagen as a diagnostic tool in medicine
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Spirometry measurement model - the diagnostic purpose support
Publicationthe paper presents a new model of respiratory mechanism based on the spirometry measurements. the spirometry test assesses the efficiency of the lung ventilation. the respiratory system functioning is based on the ventilation mechanism. thus the quality of the lung depends on the quality of lung ventilation. modelling of the respiratory system supports a diagnostic process. the model parameter estimates are obtained on the basis...
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Diagnostic PCR assay for Microsporum and Trichophyton infections
PublicationWe have previously described a highly sensitive 5-hour PCR test for the rapid diagnosis of onychomycosis which detects any dermatophyte and species-identify T. rubrum from patient specimens. We have subsequently developed and evaluated new PCR tests for detection of Trichophyton and Microsporum canis/audouinii infections.58 dermatophyte isolates (21) Microsporum spp. (4 different species), 35 Trichophyton spp (10 different species)...
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Abdominal epilepsy in patient of schizophrenia - a diagnostic dilemma
PublicationAbdominal epilepsy is a rare and uncomman cause of recurrent abdominal pain. It is commonly occuring in children, but rarely in adolescent and elderly. Paroxysmal episodes of abdominal pain with neurological symptoms like dizziness, lethargy, and abnormal electroencephalogram and remarkable response to anticonvulsant confirms the diagnosis. Here we present a case of schizophrenia, who has repoted with recurrent abdominal pain...
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Parameterized diagnostic module implemented in FPGA structures
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Diagnostic Accuracy of Liquid Biopsy in Endometrial Cancer
PublicationBackground: Liquid biopsy is a minimally invasive collection of a patient body fluid sample. In oncology, they offer several advantages compared to traditional tissue biopsies. However, the potential of this method in endometrial cancer (EC) remains poorly explored. We studied the utility of tumor educated platelets (TEPs) and circulating tumor DNA (ctDNA) for preoperative EC diagnosis, including histology determination. Methods:...
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Increase of Diagnostic Capabilities of Voltage Fluctuation Indicies
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Diagnostic Models and Estimators for LDI in Transmission Pipelines
PublicationThis article considers and compares four analytical models of the pipeline flow process for leak detection and location tasks. The synthesis of these models is briefly outlined. Next, the methodology for generating data and diagnosing pipes is described, as well as experimental settings, assumptions and implemented scenarios. Finally, the quality of model-based diagnostic estimators has been evaluated for their bias, standard deviations...
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Guided wave propagation in diagnostic of steel elements
PublicationThis paper is devoted to numerical investigations of elastic wave propagation in steel elements. The aim of this study is to conduct numerical analysis and experimental investigations on the propagation of elastic waves in steel elements in the context of damage detection. In particular, this paper is devoted to detection of damage occurring in the form of notch or changed thickness. This approach utilized the fact that any discontinuities...
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Guided wave propagation in diagnostic of steel elements
PublicationThis paper is devoted to numerical investigations of elastic wave propagation in steel elements. The aim of this study is to conduct numerical analysis and experimental investigations on the propagation of elastic waves in steel elements in the context of damage detection. In particular, this paper is devoted to detection of damage occurring in the form of notch or changed thickness. This approach utilized the fact that any discontinuities...
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Fuctional structure of diagnostic system for wheeled tractors
PublicationAn application of computer controlled fuel injection systems in vehicle engines and growing demands concerning toxic substances emission and fuel consumption was a main reason for OBD (On Board Diagnosis) development. In spite of a great technological development, only some tractors are equipped in diagnostic systems. On board diagnosis is strongly connected with emission demands and does not concern other important vehicle functions.In...
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STRUCTURE AND ALGORITHMS OF A DIAGNOSTIC DEVICE IN A WHEELED TRACTOR
PublicationDiagnostic device monitors the tractor’s technical condition and identifies the location of damaged components during operation. The diagnostic device detects and identifies the following types of defects: functional defects (uf) which affect performance, exhaust defects (ue) which increase toxic emissions and fuel consumption, defects that jeopardize driving safety (us), defects that affect engine performance (ud). The key component...
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Multi gender genetic optimization of diagnostic observers.
PublicationW pracy przedstawiana jest nowa metoda rozwiązywania zadań wielokryterialnej optymalizacji. W omawianej metodzie wykorzystywana jest informacja o genetycznym rodzajniku osobnika w celu odpowiedniego rozróżnienia i agregacji wielu kryteriów. Charakterystyczne cechy mechanizmu są prezentowane na przykładzie wielokryterialnej optymalizacji detekcyjnych obserwatorów stanu.
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Control theory methods in diagnostic system design
PublicationPraca dotyczy zastosowania wybranych metod teorii sterowania do syntezy al-gorytmów detekcji uszkodzeń. Algorytmy takie, stanowiące istotną gałąźwspółczesnej diagnostyki technicznej obiektów dynamicznych, w swej istocieopierają się na rozwiązaniach odpowiednich zadań odpornego wyznaczania wek-torów resztowych, czyli ważonych błędów oszacowań wyjściadanego obiektu dy-namicznego (nadzorowanego procesu). Na treść pracy...
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Advances of QIRT in medical diagnostics
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Electronic Noses in Medical Diagnostics
PublicationElectronic nose technology is being developed in order to identify aromas in a way parallel to the biologic olfaction. When applied to the field of medicine, such device should be able to identify and discriminate between different diseases. In recent years this kind of approach finds application in medical diagnostics, and especially in disease screening. Despite the fact that devices utilizing chemical sensor arrays are not routinely...
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Diagnostics in ballast water management
Publication. Diagnostics in ballast water management is the main remedy to protect against the threat of spreading invasive species that can be carried in ships' ballast tanks. This phenomenon is getting better known and understood. New and more effective methods of preventing threats related to this are being developed. Procedures are created to ensure environmental safety in the face of ever-increasing transport by sea. The article characterizes...
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Dynamic thermography in diagnostics of onychomycosis.
PublicationW pracy zaprezentowano wyniki badań grzybicy paznokci przy użyciu termografii dynamicznej. Przedstawione wyniki badań pokazują, że metoda ta może okazać się skuteczna przy określaniu stanu mikrokrążenia w tkance pod paznokciem, co pozwoliłoby określić stopień zaawansowania choroby grzybiczej, a więc także umożliwiałoby ocenę postępów leczenia tej przypadłości.
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A preliminary study for identifying olfactory markers of fear in the rat
PublicationW sytuacjach stresowych wiele zwierząt wydziela feromony alarmowe aby ostrzec inne osobniki o nieuchronnym zagrożeniu. Autorzy szukali warunków doświadczalnych, mających na celu identyfikację feromonów alarmowych wydzielanych przez szczury. Szczury umieszczono w specjalnie zaprojektowanych komorach i narażono na różne dotykowe, wizualne i akustyczne bodźce w przeciągu kilku dni. Badacze obserwowali zachowanie szczurów i analizowali...
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Selected biologic markers of inflammation and activity of Crohn’s disease
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Aquaporins: New markers for male (in)fertility in livestock and poultry?
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A study to identify olfactory markers of fear in rats and humans
PublicationW pracy przedstawiono wyniki wstępnych badań ukierunkowanych na wykrycie podstawowych fermonów wydzielanych w sytuacji zagrożenia (fermony alarmowe) przez różne organizmy żywe.W badaniach zastosowano takie techniki jak TD-GC-MS, SPME-GC-MS stwierdzono występowanie fermonów należących do takich klas związków organicznych jak alkohole, węglowodory nasycone, aldehydy, kwasy karboksylowe i ketony.
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Estimation of Oxidative Stress Markers in Chronic Kidney Disease
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Olfactory and tissue markers of fear in mammals including humans
PublicationW pracy przedstawiono informacje na temat:-klasyfikacji i budowy chemicznej związków chemicznych zaliczanych do grupy feromonów,-ich rola w funkcjonowaniu organizmów żywych w tym także organizmu ludzkiego,wyników badań prowadzonych z wykorzystaniem komory ekspozycyjnej własnej konstrukcji,metodyk analitycznych wykorzystywanych do oznaczania śladowych zawartości feromonów w próbkach wydychanego powietrza.
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Michał Kowalewski dr inż.
PeopleResearch career: Doctoral dissertation "Tolerance robust, dictionary methods of fault diagnosis of electronic circuits with specialized neural classifier". Participation as a performer in four KBN research teams MNiSW and NCBiR concerning the development of diagnostic methods for analog electronic circuits and diagnostics of technical objects using impedance spectroscopy methods. 39 publications, including 10 in magazines,...
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Spectral Analysis of Capital Markets
PublicationIn this paper the problem of cycles existence in capital markets is addressed. A spectral analysis algorithm, which reduces signal-to-noise ratio, is proposed to derive cycle periodograms for the yield function of DJIA, WIG~20, and NIKKEI 225 indices. Peaks of the the periodograms provide premises to postulate the existence of some possible cycles. The 3.5 year periodicity in all 3 indices, which can be related to Kitchin cycle...
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INTERNATIONAL JOURNAL OF BIOLOGICAL MARKERS
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Clonal Evolution of Multiple Myeloma—Clinical and Diagnostic Implications
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A Distributed System of Signal Acquisition for Induction Motors Diagnostic
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An Approximation Algorithm for Diagnostic Test Scheduling in Multicomputer Systems
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PAH diagnostic ratios for the identification of pollution emission sources
PublicationPolycyclic aromatic hydrocarbon (PAH) diagnostic ratios have recently come into common use as a toolfor identifying and assessing pollution emission sources. Some diagnostic ratios are based on parentPAHs, others on the proportions of alkyl-substituted to non-substituted molecules. The ratios areapplicable to PAHs determined in different environmental media: air (gas þ particle phase), water,sediment, soil, as well as biomonitor...
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State observers for diagnostic applications in modern electric traction
PublicationW rozdziale 7 monografii przedstawiono zagadnienie diagnostyki czujnika prędkości silnika i przekładni mechanicznej pociągu. Przedstawiono zagadnienia związane z diagnostyką czujnika prędkosci obrotowej silnika oraz układu transmisjii momentu trakcyjnego. Do diagnostyki wykorzystano analizę sygnałów prędkości obrotowej i momentu obciążenia silnika obliczanych przez układy obserwatorów stanu. Analiza chwilowych wartości obliczonej...
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Model and laboratory simulation of a induction motor for diagnostic purposes
PublicationStatistics say that bearings are this part of induction motors which is most susceptible to damage. The equipment employed for bearing diagnostics usually makes use of vibrations as the criterion for technical condition of the bearings. A faulty bearing results in additional motor vibrations. They are reflected in the harmonic content of stator currents. In certain operating conditions the current signal is the sole source of information...
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A new diagnostic method for evaluation of cardiosurgery wound healing
PublicationOne of important and still unsolved problems in medicine is the question of objective and quantitative evaluation of post-surgery wound healing. The aim of this research is to analyse possibility and value of using the newly elaborated infrared imaging procedure – Active Dynamic Thermography (ADT) – for quantitative description of wound healing processes in cardiosurgery. Both, classical thermal figures of merit as well as ADT...
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White-light interferometric temperature sensor for biomedical diagnostic.
PublicationW artykule opisano opracowany model miniaturowego, światłowodowego czujnika temperatury z interferometrem Fabry-Perot wykorzystującego interferencję światła białego przeznaczonego do zastosowań biomedycznych. Analizowano czujnik wykonany ze światłowodu wielomodowego o skokowym profilu współczynnika załamania oraz ze światłowodu monomodowego. Zasadniczym celem był dobór parametrów mający na celu uzyskania maksymalnej widzialności...
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Modal diagnostics of civil engineering structures.
PublicationKsiążka dotyczy zastosowania analizy modalnej do diagnostyki konstrukcji budowlanych.
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Urine headspace analysis in medical diagnostics
PublicationThe analysis of the volatile organic compounds in the bodily fluids such as urine may provide useful information on the patients’ general health. The potential application of urine headspace analysis could facilitate the diagnostics of various diseases such as metabolic disorders, urinary tract diseases and gastrointestinal conditions. Described in this paper are the currently available techniques of urine sample analysis as well...
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RAMAN DIAGNOSTICS OF CVD DIAMOND GROWTH
PublicationDevelopment of Raman spectroscopic system for diagnostics of growth of diamond and BDD (Boron- Doped-Diamond) thin films during μPA CVD (Microwave Plasma Assisted Chemical Vapour Deposition) process is described. Raman studies of such films were carried out as in-situ monitoring of film deposition as ex-situ measurements conducted for a sample outside the reaction vessel after manufacturing process. Modular system for the in-situ...
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Frequency Diagnostics of Transformer Insulating Parameters
PublicationIn the article is presented experimental analysis and diagnostics of insulating system oil-paper for power transformers, mainly by progressive frequency method – dielectric spectroscopy. In the 1-st part of the article is described base theory about measurement and diagnostics insulating part (oil and paper) of power transformers. In the 2-nd part of article is described measuring method of insulating frequency diagnostics - frequency...
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Active Dynamic Thermography in Medical Diagnostics
PublicationThis is an overview of active thermal imaging methods in medical diagnostics using external thermal stimulation. In this chapter, several clinical cases diagnosed using the active dynamic thermography method, ADT, are presented. Features of this technology are discussed and main advantages underlined. Applications in skin burn diagnostics and quantitative evaluation leading to modern classification of burned patients for further...
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Thermal Imaging in Wound Healing Diagnostics
PublicationOpisano wyniki projektu badawczego poświęconego opracowaniu metody obiektywnej diagnostyki ran pooperacyjnych w kardiochirurgii. Sprawdzono możliwość połączenia oceny obrazów RGB z obrazami termograficznymi oraz nową w medycynie metodą aktywnej termografii dynamicznej ADT. W projekcie zastosowano chłodzenie obszaru zainteresowania wykorzystując kriostat na dwutlenku węgla. W okresie powrotu do stanu równowagi termodynamicznej rejestrowane...
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Thermal Imaging in Wound Healing Diagnostics
PublicationResults of a project searching for objective, quantitative evaluation of postoperative wound healing in cardiosurgery are presented. We propose simple thermal models of the healing processes after cardiosurgery interventions as objective descriptors allowing classification of patients for extraction and following recovery at home or for prolonged treatment in a hospital. Classification of healing as the normal process or as a process...
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Advances of IR-Thermal Diagnostics in Medicine
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Data on the identification of microsatellite markers in Eisenia fetida and Eisenia andrei
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Analysis of MArkers of Exposure to Constituents of Environmental Tobacco Smoke (ETS)
PublicationTobacco smoke is a complex mixture of more than 4000 chemical compounds, many of which are harmful to human health. These compounds belong to various chemical classes, including amides, imides, lactams, carboxylic acids, aldehydes, ketones, alcohols, phenols, amines, hydrocarbons, ethers, and inorganic compounds. There are three types of tobacco smoke streams: the mainstream, the sidestream, and environmental tobacco smoke (ETS)....
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Financial Markets and Bankruptcy Systems: Is there a Relationship?
PublicationPurpose: Filling the cognitive gap in the theory of ex-post transaction costs, i.e., at the stage of enforcing market transactions by examining the relationship between friendliness/severity of the bankruptcy and restructuring law towards debtors, the level of development of financial markets, the effectiveness of the judicial system and the rate of debt recovery. Design/Methodology/Approach: In the research, the following methods...
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Regulation of Telecommunications Markets. Conference Report
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Czy istnieje idealny marker zanieczyszczeń środowiska wodnego ? Cz. II. Alkaloidy, farmaceutyki oraz jodowane środki kontrastowe jako potencjalne markery z grupy nowo pojawiających się zanieczyszczeń
PublicationKażdego dnia do środowiska wodnego wprowadzanych jest mnóstwo zanieczyszczeń, pochodzących z odpadów rolniczych i przemysłowych oraz ścieków komunalnych. Nieskuteczny proces ich usuwania podawany jest jako główny powód pogarszania się jakości środowiska wodnego. Wśród związków przedostających się do ekosystemów wodnych coraz większym zainteresowaniem cieszą się te należące do grupy nowo pojawiających się zanieczyszczeń. Są to...
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Emerging Markets Review
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Journal of Energy Markets
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