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Wyniki wyszukiwania dla: flood hazard
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Computed aided system for separation and classification of the abnormal erythrocytes in human blood
PublikacjaThe human peripheral blood consists of cells (red cells, white cells, and platelets) suspended in plasma. In the following research the team assessed an influence of nanodiamond particles on blood elements over various periods of time. The material used in the study consisted of samples taken from ten healthy humans of various age, different blood types and both sexes. The markings were leaded by adding to the blood unmodified...
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A SHORT REVIEW OF BLOOD FLOW MODELLING METHODS: FROM MACRO- TO MICROSCALES
PublikacjaThe aim of this paper it to review various scale approaches to the blood flow modelling. Blood motion may be described by three types of mathematical models according to the observed scales or resolutions, namely microscopic, mesoscopic and macroscopic descriptions. The above approaches are discussed together with their advantages and disadvantages. Several results of mesoscopic simulations are presented with particular attention...
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Simplified method of applying loads to flat slab floor structural model
PublikacjaThe article analyses the impact of the live load position on the surface of a reinforced concrete flat slab floor of 32.0 m × 28.8 m. Four variants of a live load position are investigated: located on the entire concrete slab, set in a chessboard pattern, applied by bands and imposed separately in each of the slab panels. Conclusions are drawn upon differences in bending moments, the time of calculation and the size of output files....
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A Meta-Analysis of Pulse Arrival Time Based Blood Pressure Estimation
PublikacjaThe paper presents a preliminary meta-analysis of the sample correlation between pulse arrival time (PAT) and blood pressure (BP). The aim of the study was to verify sample correlation coefficient between PAT and BP using an affine model BP = a · P AT + b for systolic and diastolic blood pressure. The databases included in the search were the IEEE Xplore Digital Library, Springer Link and Google Scholar. Only papers from 2005 to...
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Application of GC-MS/MS technique for the determination of benzodiazepines in blood samples
PublikacjaAbstract Benzodiazepines (BZD) are widely used as pharmaceuticals in medicine. However, due to psychostimulatory effect of BZD, in the last decade, they are more and more often used as drugs of abuse. These compounds produce similar effects to classical illicit drugs and are sold as “legal” alternatives to them as new psychoactive substances (NPS). Currently new BZD, named designer benzodiazepines (DBZD), are synthesized each year...
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Determination of 3,4-methylenedioxy-α-pyrrolidinobutiophenone (MDPB) in blood. A case report
PublikacjaSynthetic drugs, known as ‘‘legal highs’’, are still very popular on black market. The determination of their composition are required in courts of law and also to understand what potential users may be subjected to. The interest of new cathinones, e.g. MDPBP, is in view of psychoactive effects that they cause and that, in many cases, they are not controlled by law. The case outlined here concerns 19 years-old man, who was found...
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Analysis of floor-to-column pounding of buildings founded on different soil types
PublikacjaThe aim of this study is to investigate the effect of the soil type on buildings experiencing floor-to-column pounding during earthquakes. Five buildings with 4-storeys, 6-storeys, and 7-storeys were considered. Three types of the 4-storey building with different total heights were taken into account which leads to floor-to-column pounding at 1/3, 1/2 and 2/3 of the height of the impacted column. Two pounding scenarios were considered,...
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A review of methods of blood supply to organs of the gastrointestinal tract. State of art
PublikacjaThe correct assessment of blood supply is essential to eliminate possible postoperative complications. Re-anastomosis of the gastrointestinal tract after its resection must be preceded by the analysis of blood supply to the anastomosed fragments. It is important that the blood supply assessment procedure is reliable but also non-absorbing and, if possible, short. It should also be possible to repeat the procedure due to the need...
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Utilizing pulse dynamics for non-invasive Raman spectroscopy of blood analytes
PublikacjaNon-invasive measurement methods offer great benefits in the field of medical diagnostics with molecular-specific techniques such as Raman spectroscopy which is increasingly being used for quantitative measurements of tissue biochemistry in vivo. However, some important challenges still remain for label-free optical spectroscopy to be incorporated into the clinical laboratory for routine testing. In particular, non-analyte-specific...
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Directional surface plasmon-coupled emission - application for an immunoassay in whole blood
PublikacjaZaprezentowano badania fluorescencji znakowanej barwnikiem immunoglobuliny G, na powierzchni srebra.
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Tools for finishing processes on hard materials
PublikacjaPrzedstawiono narzędzia i wyniki obróbki materiałów w stanie twardym. Analizowano proces docierania elementów ceramicznych mikroziarnami diamentowymi, nagniatanie stali w stanie twardym (60 HRC) kulkami z Si3N4 i przecinanie ściernicowe stali ŁH15 (62 HRC).
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Technology of welding hard wearing plates
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Tribology of stochastic phenomena on the hard tissue.
PublikacjaPraca przedstawia model matematyczny zjawisk tribologicznych podczas hodowli tkanek twardych, w tym chrząstek stawowych. Uwzględnia się chropowatości powierzchni hodowanych chrząstek. Problem tribologiczny uzewnętrzniony został koniecznością sterowania wartościami sił tarcia jakie powstają w cienkiej warstewce przyściennej opływanej tkanki cieczą biologiczną w trakcie hodowli. Taki model matematyczny nie był do tej pory rozpatrywany.
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Development and Characterization of Bioactive Polypropylene Films for Food Packaging Applications
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Bioremediation of pharmaceutical effluent by food industry and agricultural waste biomass
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Introduction of Methods to Reduce and Remove Patulin from Food Products
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Military Food Supply Chain during the COVID-19 Pandemic
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Application of Ion Exchangers in Speciation and Fractionation of Elements in Food and Beverages
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An Integrated Approach to Management of Food Allergy – Recommendations for Consumers and Professionals
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Odour nuisance assessment of the food industry wastewater treatment plant
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Applications of sample preparation techniques in the analysis of pesticides and PCBS in food
PublikacjaPestycydy oraz anality z grupy polichlorowanych bifenyli (PCB), można znaleźć w żywności w niewielkich stężeniach, jednak ich zdolność do kumulacji i toksyczność powodują konieczność oznaczanie tych związków w żywności. Analiza próbek żywności pod kątem obecności pestycydów i analitów z grupy PCB przysparza wiele trudności ze względu na specyfikę przygotowania próbki w oparciu o wieloetapowe operacje oczyszczania próbki zawierającej...
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Correction to: Essential and toxic elements in commercial microalgal food supplements
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Chapter 14. Physical and chemical interaction of componenets in food systems
PublikacjaBiałka, lipidy, sacharydy, składniki mineralne, woda i inne związki występują w żywności w postaci roztworów i różnych mikrostruktur - kropelek, globulek, kryształów, włókienek i błon. Reaktywne grupy funkcyjne tych składników wchodzą w warunkach przechowywania i obróbki, szczególnie po zniszczeniu oryginalnych struktur, w interakcje wpływające na barwę, zapach, smak i reologiczne właściwości żywności. W technologii żywności wykorzystuje...
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Food nowadays – local or global? Traditional or innovative? Conference monograph
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The microbiome and its impact on food allergy and atopic dermatitis in children
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Antioxidants: a premature scientific hypothesis that reshuffled the traditional food pyramid
PublikacjaAntioxidants present in substantial amounts in foods, plant-based products in particular, have been suggested as chemopreventive agents that can curb the development of undesirable health effects caused by oxidative stress simply by enriching diet in such compounds. This idea has been enthusiastically accepted by consumers, as well as food and pharmaceutical industry, and created great demand for products containing antioxidant...
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New analytical sample preparation techniques in food flavour analysis
PublikacjaIn this chapter sample preparation techniques were broadly characterized and their applications in field of food analysis were presented. Usefulness of three extraction methods: SPME, SAFE and SDE for isolation of aroma compounds from complex food matrices was compared. Additionally, requirements for sample preparation methods using in food flavour analysis were detailed.
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Sample preparation techniques for determination of pesticide residues in food samples
PublikacjaPesticides are very important in increasing the efficiency and quality of agricultural production. They are applied in many spheres of life, not only in agriculture, and their applications are expanding. Despite their numerous merits, pesticides are some of the most toxic substances contaminating our environment and have a negative impact on the human health. Properties of pesticides such as stability, ability to bioaccumulation...
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Electrospinning as a useful technique for the encapsulation of living bifidobacteria in food hydrocolloids
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The influence of food phytochemicals on cyclic phosphodiesterase 4 (PDE4) activity
PublikacjaCyclic phosphodiesterase 4 (PDE4) belongs to family of cyclic phosphodiesterases, which are expressed predominantly in inflammatory cells, airway smooth muscles, cardiovascular tissues and brain. Inhibitors of this family of enzymes found medicinal applications as antidepressants, antiinflamatory drugs (mainly in airway diseases) or antiasthmatics (Ibudilast). PDE4 inhibitors are also being tested for preventing the development...
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ASSESSMENT OF TOXIC EFFECT AND ENDOCRINE POTENTIAL OF FOOD PACKAGES EXTRACTS
PublikacjaIn the scientific literature related to the widely understood issue of packaging materials designed to have contact with food there is much information on raw materials used for their production, their physiochemical properties, types and parameters. There is also a great number of publications on the management and disposal of used packaging. Unfortunately, not much attention is given to the matters concerning migration of toxic...
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Analysis of the Factors Affecting Static In Vitro Pepsinolysis of Food Proteins
PublikacjaIn this meta-analysis, we collected 58 publications spanning the last seven decades that reported static in vitro protein gastric digestion results. A number of descriptors of the pepsinolysis process were extracted, including protein type; pepsin activity and concentration; protein concentration; pH; additives; protein form (e.g., ‘native’, ‘emulsion’, ‘gel’, etc.); molecular weight of the protein; treatment; temperature; and...
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Recent advances in reinforced bioplastics for food packaging – A critical review
PublikacjaRecently, diversifying the material, method, and application in food packaging has been massively developed to find more environment-friendly materials. However, the mechanical and barrier properties of the bioplastics are major hurdles to expansion in commercial realization. The compositional variation with the inclusion of different fillers could resolve the lacking performance of the bioplastic. This review summarizes the various...
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Arabinoxylans: A review on protocols for their recovery, functionalities and roles in food formulations
PublikacjaArabinoxylans (AXs) are compounds with high nutritional value and applicability, including prebiotics or supplementary ingredients, in food manufacturing industries. Unfortunately, the recovery of AXs may require advanced separation and integrated strategies. Here, an analysis of the emerging techniques to extract AXs from cereals and their by-products is discussed. This review covers distinct methods implemented over the last...
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Sources, properties and suitability of new thermostable enzymes in food processing
PublikacjaW niniejszym artykule przedstawiono przegląd badań wskazujących na przydatność rekombinantowej alfa-amylazy z Pyrococcus woesei i alfa glukozydazy z Thermus thermohilus do jednoetapowego wytwarzania syropów skrobiowych. Rekombinantowa beta-glikozydaza z Pyrococcus woesei może być natomiast stosowana do produkcji bezlaktozowych produktów z mleka i serwatki. Zachowanie aktywności w szerokim zakre-sie pH od 4,3 do 6,6 oraz duża termostabilność...
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Food microstructure systems modelling regarding interaction and contact phenomena.
PublikacjaPrzedstawiono wybrane fragmenty teorii modelowania w strukturach rozproszonych mikrostruktury żywności, w których zostały uwzględnione wzajemne oddziaływania cząstek oraz występujące zjawiska kontaktowe. Do oszacowania tych oddziaływań wykorzystano zmodyfikowany przez autora model Buczkowskiego i Kleibera.
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Plant ornaments in the architectural detail of Art Nouveau tenement houses and villas of Jeżyce and Łazarz in Poznań
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Challenges in oscillometric blood pressure measurement in atrial fibrillation: looking for practical solutions
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Gender-Selective Interaction Between Aging, Blood Pressure, and Sympathetic Nerve Activity
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More is Less? Optimal Combination Therapy for Adequate Blood Pressure Lowering in Hypertension
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Resting sympathetic outflow does not predict the morning blood pressure surge in hypertension
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Relationship Between Muscle Sympathetic Nerve Activity and Diurnal Blood Pressure Profile
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Interactive Effect of Heart Rate and Muscle Sympathetic Nerve Activity on Blood Pressure
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Differentially expressed proteins in the blood serum of piglets in response to a diet supplemented with inulin
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Comparison of Oxidative Stress/DNA Damage in Semen and Blood of Fertile and Infertile Men
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Blood glucose level as an insufficient indicator of feline diabetes mellitus: a case report
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Foetal haemoglobin-blood cells (F-cells) as a feature of embryonic tumours (blastomas)
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Enantioselective sensing of (S)-Thalidomide in blood plasma with a chiral naphthalene diimide derivative
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Modeling of subarachnoid space width change caused by blood circulation in brain vessels
PublikacjaThe subarachnoid space is an anatomic space, lying in the central nervous system, between the arachnoid membrane and the pia mater. It is filled with cerebrospinal fluid, which protects and nourishes the brain. The pathological disorder of the subarachnoid space (i.e. increase or decrease of its width) a ects the nervous system. Therefore, it is important to diagnose the width changes of the subarachnoid space. One way to support...
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Numerical investigation of multiphase blood flow coupled with lumped parameter model of outflow
PublikacjaPurpose The purpose of this paper is the application of the computational fluid dynamics model simulating the blood flow within the aorta of an eight-year-old patient with Coarctation of Aorta. Design/methodology/approach The numerical model, based on commercial code ANSYS Fluent, was built using the multifluid Euler–Euler approach with the interaction between the phases described by the kinetic theory of granular flow (KTGF). Findings A...