Wyniki wyszukiwania - BazTech

1

The effect of cooper, zinc and selenium on skin condition

Kulik Anna

Polish Hyperbaric Research

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2023

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nr 2(83)

23--30

EN

Trace elements are essential for the maintenance of the homeostasis of the body, and condition the proper functioning of the human organism. Micronutrients influence a number of metabolic processes in the dermis and epidermis. An excess or deficiency of trace elements may represent a potential threat to human health with implications for skin condition. This study reviews the literature on the effects of copper, zinc and selenium on skin condition.

2

Effects of Carbon Dioxide Concentration on the Growth and Physiology of Albizia saman (Jacq.) Merr

Fathurrahman F.

Journal of Ecological Engineering

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2023

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Vol. 24, nr 9

302--311

EN

This study was conducted to determine the effects of CO2 concentration on the growth and physiology of rain tree (Albizia saman (Jacq.) Merr), by increasing the CO2 concentration in a greenhouse automated system. The objective of this study was to evaluate the response of rain tree to CO2 in terms of growth and physiology. CO2 at an average concentration of 800 μmol mol-1 was injected daily for 2 h from 9 am to 11 am. The seedlings were placed in a greenhouse during the control trial with a mean ambient CO2 concentration of 400 μmol mol-1. In this study, the entire randomised block design has been applied, and growth was observed every 30 days for 120 days. Almost all seedling growth parameters were significant under elevated and ambient concentrations. The leaf area in the control samples (400 ppm of CO2) was 243.37 cm2, and this value increased to 277.30 cm2 in the sample treated with 800 ppm of CO2. The biomass increased, and the original wet weight ratio and root dry weight of the canopy and the principal (9.06 and 10.12 g, respectively) increased to 9.7 and 16.06 g, respectively, after treatment. Physiology was analysed in terms of relative levels of photosynthesis, stomatal conductance and water use efficiency (WUE). Such parameters increased in the principal treatment of CO2 (800 ppm), whilst the CO2 content and transpiration levels declined. As the CO2 concentration increased, the value of the levels of photosynthesis and stomatal conductance in both samples increased. As the photosynthesis levels increased, the WUE activity increased. However, as photosynthesis levels decreased, the WUE activity also decreased. Transpiration levels but also rely on a certain age if the increased photosynthesis WUE has decreased.

3

The Morphological and Physiological Appearance of Two Vegetable Plants Due to Lead Exposure

Lestari Mahayu Woro, Rosyidah Anis

Journal of Ecological Engineering

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2022

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Vol. 23, nr 6

213--222

EN

This research aimed to determine the effect of different concentrations of Lead (Pb) on the morphology of kale and spinach plants. The process involved planting kale and spinach seeds in tubs and transferring them to polybags with planting media in the form of soil and sand at a ratio of 4:1 after strong roots were developed. It is important to note that the media were analyzed to ensure the Pb content in the soil was below the threshold before planting. Pb was later provided 1 week before planting in the form of PbNO3 in the media at a dose of 1 and 2 g/polybag and mixed effectively to ensure even distribution, while the sample used as the control was not given any Pb. The transplanting process was conducted after the plants were 18 days old in the nursery and the initial observations at 9 DAT showed that the kale leaves were darker with a score of 3 than spinach with a score of 1, but the spinach leaves became darker in color with score 3 as the age of the plants increased. Moreover, the kale changed to a lighter color with a score of 2 from the 9th day of observation after transplanting, while spinach requires 15 DAT to become score 2 until the end of the observation. It should be pointed out that both plants showed morphological changes due to the existence of the Pb but their base leaves did not reflect any effect. The kale leaf tip became blunt, while the spinach leaf tip was not affected and both plants were discovered to have longer roots and more root hairs in the control compared to the treatments. Furthermore, the total chlorophyll of spinach in the control was higher than kale but observed to reduce as the concentration of Pb increased in the treatments. The morphology and physiology of spinach and kale plants changed due to the Pb exposure with the spinach was discovered to be more sensitive as indicated by more visible morphological damage to its leaves at the end of the observation. It is possible to use the morphology of spinach and kale to detect Pb-contaminated land.

4

Wybrane bazodanowe zbiory informacji z zakresu biomechaniki, fizjologii i psychologii

Sygocki Witold, Baka Łukasz, Bugajska Joanna, Biernacki Andrzej

Bezpieczeństwo Pracy : nauka i praktyka

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2020

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nr 5

21-25

PL

Deponowanie wyników badań naukowych - zarówno opracowanych, jak też tzw. surowych danych - odbywa się pod wieloma postaciami, poprzez zamieszczanie w repozytoriach danych badawczych, umieszczanie wyników w publikacjach, które są następnie indeksowane na platformach czasopism, w bazach bibliograficzno-abstraktowych Niektóre czasopisma funkcjonujące w obiegu międzynarodowym wymagają od autorów dołączania do artykułów także zbiorów z danymi, bądź zdeponowania ich w jednym z ogólnodostępnych repozytoriów danych badawczych. W artykule zaprezentowano wybrane bazy danych, dostarczających informacji o wynikach badań m.in. z zakresu biomechaniki, fizjologu, psychologii.

EN

Depositing scientific research results - both research and raw data - takes place in many forms, by depositing research data: in repositories, as results in publications, which are then indexed on publisher's platforms, and in bibliographic and abstract databases and informing about obtained results research. Some international journals require authors to attach data collections to their articles, or to deposit them in one of the publicly available research data repositories. The following publication is a presentation of selected databases providing information on research results, including in the field of biomechanics, physiology, psychology.

5

Interactions between art, architecture and CNS functions

Bil J. S., Łabuz-Roszak B., Gorczyca P. W.

Przestrzeń i Forma

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2017

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nr 30

75--86

EN

The theories, which help to understand a connection between neuroscience and architecture, are the theory of mirror neurons and the Theory of Mind (ToM). They attempt to explain how, the built environment influences human emotions, behavioural and physiological reactions, and also social relations. It helps to understand the origins of empathy and emotions with both social and anthropomorphic environment.

PL

Teorie, które pomagają zrozumieć związek pomiędzy neurobiologią a architekturą, to teorie neuronów lustrzanych i teoria umysłu (ToM). Próbują wytłumaczyć, jak zbudowane środowisko wpływa na ludzkie emocje, reakcje behawioralne i fizjologiczne, a także na stosunki społeczne. Definiują podstawę empatii i emocji oraz relacje z otoczeniem.

6

Emotion monitoring – verification of physiological characteristics measurement procedures

Landowska A.

Metrology and Measurement Systems

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2014

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Vol. 21, nr 4

719--732

EN

This paper concerns measurement procedures on an emotion monitoring stand designed for tracking human emotions in the Human-Computer Interaction with physiological characteristics. The paper addresses the key problem of physiological measurements being disturbed by a motion typical for human-computer interaction such as keyboard typing or mouse movements. An original experiment is described, that aimed at practical evaluation of measurement procedures performed at the emotion monitoring stand constructed at GUT. Different locations of sensors were considered and evaluated for suitability and measurement precision in the Human- Computer Interaction monitoring. Alternative locations (ear lobes and forearms) for skin conductance, blood volume pulse and temperature sensors were proposed and verified. Alternative locations proved correlation with traditional locations as well as lower sensitiveness to movements like typing or mouse moving, therefore they can make a better solution for monitoring the Human-Computer Interaction.

7

OCT jako nowoczesna metoda oceny wpływu profilu krawędzi miękkiej soczewki kontaktowej na zdrowie oka

Kozakiewicz N.

Optyka

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2013

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Nr 2

42--47

PL

Nieodpowiednio dobrane soczewki kontaktowe (SK) przyczyniają się do dyskomfortu i zmian w fizjologii oka, prowadząc do poważnych powikłań, co może w konsekwencji przyczynić się do rezygnacji z ich dalszego noszenia. Istnieją przesłanki, że na prawidłowe dopasowanie SK istotny wpływ może mieć kształt ich krawędzi. Za pomocą koherentnej tomografii optycznej (OCT) dokonano rejestracji wpływu profilu krawędzi miękkich SK na nabłonek spojówki w trzech segmentach oka (S – skroniowym, N – nosowym oraz D – dolnym) podczas noszenia soczewek o krawędziach okrągłej, ostrej i typu dłuto. Stopień ingerencji SK w nabłonek spojówki porównano po dwóch i czterech tygodniach noszenia dziennego. Podczas kolejnych wizyt odnotowano wzrost nacisku krawędzi soczewek na nabłonek spojówki, szczególnie w segmencie dolnym. Eksperyment ten stanowi próbę porównania subiektywnej oceny dopasowania SK w lampie szczelinowej z zastosowaniem fluoresceiny z obiektywną metodą pomiaru za pomocą OCT.

EN

Poorly fitted contact lenses (CL) contribute to discomfort and changes in the physiology of an eye, leading to serious complications. It is also one of the primary reasons for discontinuing their wear. We speculate that lens edge design could affect a proper fit of CL. We used optical coherent tomography (OCT) to register the impact of lens edge shape on the conjunctival epithelium in three segments of an eye (S – temporal, N – nasal, and D – bottom) and using lenses with round, sharp and chisel edge. After two and four weeks of daily lens wear, we compared the level of impact on conjunctival epithelium. During further visits we observed a significant increase in edge impact, mostly in the bottom segment. The study attempted to compare subjective evaluation of CL proper fit using biomicroscope with fluorescein and objective OCT measurement proces.

8

Physiological characterization of carbazole degrading bacteria isolated from a former gasworks site

Pasternak G., Kołwzan B., Bernard-Baures G, Rybak J, Mrozik A

Environment Protection Engineering

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2012

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Vol. 38, nr 2

121--126

EN

Heterocyclic compounds could remain in the environment as hazardous and resistant pollutants. The aim of this study was to determine the physiological features of Methylobacterium sp. GPE1 strain being able to degrade heterocyclic compounds. Ten various substrates (sugars, alcohols and acids) were used in this assay, for metabolic purposes and eight ones were used as a sole source of carbon and energy. The comparison of the results with data taken from the literature indicated that GPE1 could be a new species of Methylobacterium sp.

9

Physiological and biochemical activity of spring wheat (Triticum vulgare) under the conditions of stress caused by cadmium

Malinowska K., Smolik B.

Environment Protection Engineering

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2011

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Vol. 37, nr 1

73-81

EN

The effect of cadmium on physiological and biochemical activity of spring wheat cv. Alba was studied within the concentrations of 0.025-5 mM. The content of chlorophyll a and b, carotenoids, the intensity of assimilation of CO 2 and transpiration as well as the activity of catalase, Peroxydase, superoxide dismutase in the phase of two cotyledones and in the phase of shooting in wheat were determined. The applied doses of cadmium significantly decreased the content of determined assimilation dyes, reduced the intensity of assimilation of CO2 and transpiration and caused an increase in the index of use of water in the photosynthesis in all the studied growth phases of spring wheat. A clear stimulating influence of the applied doses of cadmium on the activity of catalase, peroksydase and superoxide dismutase in spring wheat was noticed.

10

Określanie bezpieczeństwa termicznego ratowników górniczych podczas ćwiczeń w OSRG

Słota K., Słota Z., Stolarski D.

Przegląd Górniczy

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2008

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T. 64, nr 9-10

35-39

PL

Badania w Okręgowej Stacji Ratownictwa Górniczego stały się dla autorów okazją do próby określenia na podstawie ich analizy wpływu niektórych czynników na poziom bezpieczeństwa termicznego ratowników górniczych pracujących w środowiskach gorących. Pokazano zakres badań i omówiono uzyskane wyniki. W pracy zamieszczono wykresy zmian parametrów fizjologicznych badanych w trakcie rutynowych ćwiczeń ratowników górniczych. Analiza uzyskanych wyników pozwoliła na sformułowanie wniosków mogących mieć znaczenie przy doborze pracowników zatrudnionych w trudnych warunkach mikroklimatu.

EN

Studies in the Regional Mine Rescue Work Station were an opportunity for the Authors to attempt determination of some factors (basing on analysis of them) of influence on the thermal safety level of mine rescue-men working in a hot environment. The range of studies is ahown and obtained results discussed. Diagrams of physiological parameters changes studied during routine exercises of mine rescue-men are included. Analysis of obtained results allowed to formulate conclusions which can be of importance at workers selection for the work under difficult microclimate conditions.

11

Wpływ nawadniania i nawożenia NPK na budowę morfologiczną i anatomiczną, aktywność niektórych procesów fizjologicznych oraz plonowanie truskawki

Koszański Z., Friedrich S., Podsiadło C., Rumasz-Rudnicka E., Karczmarczyk S.

Woda-Środowisko-Obszary Wiejskie

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2005

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T. 5, z. 2

145-155

PL

Dwuletnie doświadczenie dotyczące wpływu nawadniania kroplowego oraz nawożenia mineralnego na plonowanie truskawki przeprowadzono na glebie lekkiej. Uzyskane wyniki obserwacji i badań wykazały zmiany w budowie morfologicznej i anatomicznej oraz aktywności niektórych procesów fotosyntezy w truskawce korzystnie wpływające na jej plonowanie. Pod wpływem nawadniania uzyskano zwiększenie plonu o 18%, nawożenia mineralnego o 8%, a oba zabiegi łącznie spowodowały zwiększenie plonów o 28%.

EN

A 2-year field experiment on the influence of drip irrigation and mineral fertilization on strawberry was conducted in sandy soil. The results have shown a positive impact of these measures on the anatomy and morphology of strawberry, its physiological processes which have led to a higher crop. The strawberry yield increased by 18 % as a result of irrigation, by 8 % as a result of fertilization, and by 28 % as the effect of both measures combined.

12

Badanie rozdzielczości analizatora słuchu według zmodyfikowanej metody granic

Wykowska M., Korpanty M.

Mechanika / Akademia Górniczo-Hutnicza im. St. Staszica

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2003

|

T. 22, z. 2

175-187

PL

Jedną z właściwości narządu słuchu człowieka jest zróżnicowanie odbieranych wrażeń akustycznych. Zróżnicowanie to występuje między innymi w zależności od wartości częstotliwości emitowanego dźwięku. Do ustalenia wartości najmniejszej spostrzegalnej różnicy częstotliwości może być wykorzystywana jedna z trzech istniejących już metod badawczych. Poniżej została zaproponowana pewna modyfikacja jednej z nich. Czy i na ile jest przydatna, można ocenić z otrzymanych wyników badań skonfrontowanych z krzywymi literaturowymi. Badania weryfikacyjne zostały przeprowadzone dla osób w przedziale wiekowym 20-24 lat, w warunkach pola swobodnego. Praca zawiera także konkretne informacje dotyczące wartości tego progu różnicowego.

EN

One of the features of our hearing apparatus is a differentiation of the audible signals. The differentation exists among others in relationship with the sound frequency. One of three existing testing methods may be used to determine the lowest identifiable difference in frequency. Certain modification of one of these methods is presented below. Its usefulness may be ascertained by comparing the results with curves found in literature. Verifying test was conducted with persons in age from 20 to 24, in a free field condition. The paper contains the specific Information regarding value of differentiation threshold.

13

Dynamic characteristics of intraperitoneal perfusion

Sawicki J., Sawicki S., Wydra D., Ciach K., Emerich J.

Acta of Bioengineering and Biomechanics

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2003

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Vol. 5, nr 2

63-75

EN

Perfusion, i.e. the forced flow of a fluid through internal organs of a human body, is an interesting therapeutical method. It still has an experimental character. The paper is devoted to the laboratory investigations of hydromcchanical aspects of a physical model of a human peritoneum combined with a hydraulic system, which forces the flow of a liquid through the peritoneal cavity. Main goals of the research were formulated on general and detailed levels. The first one was oriented towards the technical possibility and practical sense of physical modelling of medical procedures, whereas on the second level main hydraulic parameters of the process were investigated. The results of the research presented in the paper give the positive answers to both groups of problems. The method of physical modelling of the considered kind of processes seems to be quite reasonable. It allows us to establish the location of the inlets and outlets from the peritoneum during perfusion.

14

Modelling of heat transfer in biomechanics - a review. P. 1. Soft tissues

Stańczyk M., Telega J. J.

Acta of Bioengineering and Biomechanics

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2002

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Vol. 4, nr 1

31-61

EN

The aim of this paper is to review available results that pertain to various heat transfer problems of biomechanics. The present part covers the issues connected with modelling of the heat exchange in perfused tissues. The results are important for the design of hyperthermic treatment protocols, thermal injury assessment, heat Ioss rate in adverse environments, constructing whole-body or whole-Iimb models of heat transfer, etc. The division into two classes of models is proposed: continuum models and vascular models (cf. also [3]). The shortcomings of the most popular bioheat transfer equations are discussed. The effects of cryogenic temperatures on living tissues are described in the third part of the paper. The effects of cryogenic temperatures on living tissues arę described in the third part of the paper.

15

Measurement of tissue pressure with symptoms of compartment syndrome

Živéak J., Šimšik D.

Acta of Bioengineering and Biomechanics

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2002

|

Vol. 4, nr 2

101-104

EN

The increase in the tissue pressure (TP) in the compartment can be due to the internal pressure (contusion, swelling, inflammation), or due to the external pressure (tight bandage, pneumatic splint). Injury and a deep thrombosis of a blood vessel lead to the stasis and subsequently to the lowering of arterial-venous gradient just the same as this associated with lowering of arterial medium pressure due to the shock with the excessive positioning of the extremity. Our aim was to establish the value of TP and thus to prevent the symptoms of the compartment syndrome. Tte above-mentioned problem can be solved by measuring the tissue pressure in a real time, where the approximation of an invasive and a non-invasive pressure is proved by a comparative measurement.