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184 results on '"WALCZAK, AGATA"'

9. Real-world effectiveness of fingolimod in Polish group of patients with relapsing-remitting multiple sclerosis

Author

Walczak, Agata, Kurkowska-Jastrzebska, Iwona, Zakrzewska-Pniewska, Beata, Dorobek, Malgorzata, Brola, Waldemar, Zajdel, Radoslaw, Bartosik-Psujek, Halina, Stasiolek, Mariusz, Kulakowska, Alina, Rusek, Stanislaw, Tutaj, Andrzej, Glabinski, Andrzej, Wlodek, Agata, Kochanowski, Jan, Ciach, Agnieszka, Siger, Malgorzata, Kurowska, Katarzyna, Wicha, Wojciech, Nojszewska, Monika, Podlecka-Pietowska, Aleksandra, Czajka, Anna, Kapica-Topczewska, Katarzyna, Bielecki, Bartosz, Maciagowska-Terela, Marzena, and Stepien, Adam

Published
2019
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10. ENVIRONMENTAL HAZARDS IN FIREFIGHTERS' WORK. A SHORT REVIEW.

Author

PIĄTEK, PIOTR, ROGULA-KOZŁOWSKA, WIOLETTA, and WALCZAK, AGATA

Subjects
FIRE fighters, HAZARDS, SCIENTIFIC literature, OCCUPATIONAL exposure, FIREFIGHTING
Abstract

The following work covers several issues. It discusses environmental factors identified in the scientific literature, especially pollutants emitted during fires that can be found crucial in terms of their contribution to occupational exposure among firefighters. Moreover, the authors described the issue of transferring pollutants indoors on the surface of items of clothing, equipment, and other elements by firefighters, which is commonly indicated in many studies. It was shown that this occurrence can be a secondary source of numerous substances inside rooms, in which firefighters stay before or after fire and rescue operations. Chronic and long-term exposure in the context of causing life-long health hazards (including carcinogenic effects) has a greater impact than occasional staying in a highly polluted environment (for instance during an extinguishing action). Due to the above, the summary of the following work contains recommendations concerning subjects of studies that need to be soon conducted to decrease the level of occupational exposure of firefighters caused by environmental factors. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Failure and reliability analysis of heavy firefighting and rescue vehicles: a case study.

Author

Selech, Jarosław, Rogula-Kozłowska, Wioletta, Piątek, Piotr, Walczak, Agata, Pieniak, Daniel, Bondaronok, Paweł, and Marcinkiewicz, Jacek

Subjects
FAILURE analysis, FIREFIGHTING, MAINTAINABILITY (Engineering)
Abstract

The purpose of the article was to analyse the reliability, maintainability, and availability estimates of firefighting and rescue engines. Analysing the reliability parameters of heavy firefighting and rescue vehicles over time requires knowledge of their failures. In this article, failure data from the six years of maintenance of ten heavy firefighting and rescue vehicles from ten were analysed in relation to two main subsystems. Reliability analysis was performed and the best-fit distribution was found, with the parameters calculated. For both subsystems, the chassis combined with the cabin and the superstructure, the 2P-Weibull distribution was identified as the most suitable fit. The availability and maintenance indicators for each vehicle and the individual subsystems were calculated. It was clearly defined that there exists a significant difference between the two subsystems analysed in terms of failure characteristics, as well as maintainability and availability parameters. [ABSTRACT FROM AUTHOR]

Published
2024
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14. The future of well-care for adolescents in Poland. More questions than answers.

Author

RYBICKA-KRAMARZ, ANIKA, HENZLER, MICHAŁ, WALCZAK, AGATA, KUCHARSKI, BARTŁOMIEJ, NITSCH-OSUCH, ANETA, and BOGDAN, MAGDALENA

Subjects
HOSPITALS, PHYSICAL diagnosis, PREVENTIVE health services for teenagers, HEALTH status indicators, MEDICAL care, MENTAL health, PREVENTIVE health services, HEALTH care reform, RISK assessment, HEALTH, HEALTH attitudes, PSYCHOLOGICAL adaptation, TECHNOLOGY, BUDGET, MEDICAL appointments, PHYSICIANS, SCIENCE
Abstract

This year marks the 20th anniversary of the publication by the Institute of Mother and Child in Warsaw of a document establishing the Polish standards for preventive health care of school-age children and adolescents by general practitioners, which are still in force today. Since then, their health status and the health risk factors have changed. Polish society and its expectations of health care are also different. The Polish economy has grown, and the proportion of the public budget spent on health care has increased. The current system of preventive health care for young people seems to be facing a problem. Over the past decade, the percentage of children and adolescents attending preventive medical visits in Poland has decreased by approximately 30%. During well-care visits, doctors commonly avoid selected physical examinations and sensitive topics, such as sexuality or mental health. It appears that most young people visit doctors only because they falsely believe that check-up visits are mandatory and usually rate the experience negatively. The co-authors of this paper conclude that there is a need for a broad debate on the Polish standards of preventive health care for adolescents and their possible reform, which would lead to their adaptation to the challenges of modern times and the opportunities offered by the progress of medical science and technology. The selection of topics is subjective and certainly does not cover all aspects requiring attention. The authors’ intention is to contribute to further discussion rather than to provide a basis for conclusions or postulates. [ABSTRACT FROM AUTHOR]

Published
2023
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20. Analysis of Side Effects Following Vaccination Against COVID-19 Among Individuals With Multiple Sclerosis Treated With DMTs in Poland

Author

Czarnowska, Agata, primary, Tarasiuk, Joanna, additional, Zajkowska, Olga, additional, Wnuk, Marcin, additional, Marona, Monika, additional, Nowak, Klaudia, additional, Słowik, Agnieszka, additional, Jamroz-Wiśniewska, Anna, additional, Rejdak, Konrad, additional, Lech, Beata, additional, Popiel, Małgorzata, additional, Rościszewska-Żukowska, Iwona, additional, Perenc, Adam, additional, Bartosik-Psujek, Halina, additional, Świderek-Matysiak, Mariola, additional, Siger, Małgorzata, additional, Ciach, Agnieszka, additional, Walczak, Agata, additional, Jurewicz, Anna, additional, Stasiołek, Mariusz, additional, Kania, Karolina, additional, Dyczkowska, Klara, additional, Kalinowska-Łyszczarz, Alicja, additional, Galus, Weronika, additional, Walawska-Hrycek, Anna, additional, Krzystanek, Ewa, additional, Chojdak-Łukasiewicz, Justyna, additional, Ubysz, Jakub, additional, Pokryszko-Dragan, Anna, additional, Kapica-Topczewska, Katarzyna, additional, Chorąży, Monika, additional, Bazylewicz, Marcin, additional, Mirończuk, Anna, additional, Kulikowska, Joanna, additional, Kochanowicz, Jan, additional, Białek, Marta, additional, Stolarz, Małgorzata, additional, Kubicka-Bączyk, Katarzyna, additional, Niedziela, Natalia, additional, Warmus, Paweł, additional, Adamczyk-Sowa, Monika, additional, Podlecka-Piçtowska, Aleksandra, additional, Nojszewska, Monika, additional, Zakrzewska-Pniewska, Beata, additional, Jasińska, Elżbieta, additional, Zaborski, Jacek, additional, Milewska-Jȩdrzejczak, Marta, additional, Zwiernik, Jacek, additional, Zwiernik, Beata, additional, Potemkowski, Andrzej, additional, Brola, Waldemar, additional, and Kułakowska, Alina, additional

Published
2022
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21. Safety of Vaccines against SARS-CoV-2 among Polish Patients with Multiple Sclerosis Treated with Disease-Modifying Therapies

Author

Czarnowska, Agata, primary, Tarasiuk, Joanna, additional, Zajkowska, Olga, additional, Wnuk, Marcin, additional, Marona, Monika, additional, Nowak, Klaudia, additional, Słowik, Agnieszka, additional, Jamroz-Wiśniewska, Anna, additional, Rejdak, Konrad, additional, Lech, Beata, additional, Popiel, Małgorzata, additional, Rościszewska-Żukowska, Iwona, additional, Perenc, Adam, additional, Bartosik-Psujek, Halina, additional, Świderek-Matysiak, Mariola, additional, Siger, Małgorzata, additional, Ciach, Agnieszka, additional, Walczak, Agata, additional, Jurewicz, Anna, additional, Stasiołek, Mariusz, additional, Kania, Karolina, additional, Dyczkowska, Klara, additional, Kalinowska-Łyszczarz, Alicja, additional, Galus, Weronika, additional, Walawska-Hrycek, Anna, additional, Krzystanek, Ewa, additional, Chojdak-Łukasiewicz, Justyna, additional, Ubysz, Jakub, additional, Pokryszko-Dragan, Anna, additional, Kapica-Topczewska, Katarzyna, additional, Chorąży, Monika, additional, Bazylewicz, Marcin, additional, Mirończuk, Anna, additional, Kulikowska, Joanna, additional, Kochanowicz, Jan, additional, Białek, Marta, additional, Stolarz, Małgorzata, additional, Kubicka-Bączyk, Katarzyna, additional, Niedziela, Natalia, additional, Morawiec, Natalia, additional, Adamczyk-Sowa, Monika, additional, Podlecka-Piętowska, Aleksandra, additional, Nojszewska, Monika, additional, Zakrzewska-Pniewska, Beata, additional, Jasińska, Elżbieta, additional, Zaborski, Jacek, additional, Milewska-Jędrzejczak, Marta, additional, Zwiernik, Jacek, additional, Zwiernik, Beata, additional, Potemkowski, Andrzej, additional, Brola, Waldemar, additional, and Kułakowska, Alina, additional

Published
2022
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24. Fifteen-year experience with natalizumab in the treatment of multiple sclerosis - a description of 15 clinical cases

Author

Buchajewicz, Monika, Chojdak-Łukasiewicz, Justyna, Pokryszko-Dragan, Anna, Jamroz-Wiśniewska, Anna, Rejdak, Konrad, Kapica-Topczewska, Katarzyna, Karbicka, Anna, Kubicka-Bączyk, Katarzyna, Adamczyk-Sowa, Monika, Marona, Monika, Wnuk, Marcin, Bryll, Amira, Popiela, Tadeusz, Słowik, Agnieszka, Perenc, Adam, Puz, Przemysław, Szejko, Natalia, Nojszewska, Monika, Podlecka-Piętowska, Aleksandra, Zakrzewska-Pniewska, Beata, Tokarz-Kupczyk, Elżbieta, Walczak, Agata, Wojnarowska-Arendt, Anna, Zaręba, Katarzyna, Maciejowski, Maciej, Zedler, Marcin, and Kułakowska, Alina

Published
2022

25. Experimental studies on changes in mechanical properties of polymer composites under impact of thermal load determined based on compression testing

Author

Walczak Agata, Naworol Ireneusz, Pieniak Daniel, Pasierbiewicz Kamil, and Dzień Grzegorz

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

The objective of the study was to carry out an analysis of changes in mechanical properties of polymer composites in conditions of thermal load. Such an analysis may allow an initial verification of possibilities of deploying new composites in production of fire helmet shells. The reference material chosen for testing was the Ultramid composite, which is currently used for the production of fire helmet shells. In addition three different materials were selected that contained reinforcement by glass fibres bearing the trade name of Tarnamid, which are not used in manufacturing of shells. Testing was conducted in conditions of quasi-static load, during which compressive tests were performed. Mechanical loads were applied at different levels of thermal exposure, which was to simulate presence in fire conditions. Results of tests indicated that the Tarnamid composites are characterised by better compressive strength and rigidity determined on the basis of the Young module value than Ultramid PA66 GF25 used in the production of head protective shells. It has also been proven that thermal loads contribute to significant degradation in strength and rigidity of tested materials, which affects adversely protective properties of the helmet.

Published
2018
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26. The impact of fog nozzle type on the distribution of mass spray density

Author

Wąsik Wiktor, Walczak Agata, and Węsierski Tomasz

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

This study was undertaken to analyze the influence of nozzle type on a mass spray density. The results indicated that the most uniform droplet distribution and spraying area was observed for the impact nozzle P 54. The highest mass spray density and the lowest spraying were noticed for the spiral nozzle TF 6. The high values of mass spray density for TF 6 nozzle were associated with the high K-factor value and the low spray angle. The results also showed that the construction of spiral nozzles influence the stream structure. The value of average mass spray density was twice as low for CW-50 F nozzle compared to TF 6.

Published
2018
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41. Influence of fibre reinforcement on selected mechanical properties of dental composites

Author

Niewczas, Jolanta, Zamościńska, Jolanta, Krzyżak, Aneta, Pieniak, Daniel, Walczak, Agata, and Bartnik, Grzegorz

Subjects
03 medical and health sciences, 0302 clinical medicine, mechanical properties, ceramic-polymer light-cured compceramicosites, fibre reinforcement, 030206 dentistry, 02 engineering and technology, 021001 nanoscience & nanotechnology, 0210 nano-technology
Abstract

Acta of Bioengineering and Biomechanics; 02/2017; ISSN 1509-409X

Published
2017
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43. Restrictions on the Use of Specimens Based on Magnesium and Titanium Nanocrystalline Oxides in Incidents Involving Uncontrolled Release of Hazardous Substances.

Author

Węsierski, Tomasz, Majder-Łopatka, Małgorzata, and Walczak, Agata

Subjects
HAZARDOUS substance release, TITANIUM oxides, METALLIC oxides, CHARCOAL
Abstract

Featured Application: The results of the study could improve the practical use of sorbents and neutralizers during chemical rescue operations. Undertaking effective and prompt action during chemical events is an important measure in preventing the spread of contamination. Studies have shown that despite very high surface activity of nanocrystalline metal oxides, their use does not reduce the fire hazard for hydrocarbon spills and alcohols more effectively than commonly used sorbents during fire rescue operations. Other limitations of specimens containing nanocrystalline oxides have also been proven, such as the maximum absorption similar to commonly used specimens, as well as high costs of conducting the acid neutralization process without increasing the level of safety of operations. Results obtained allowed the determination of proposed principles of effective and economically appropriate application of nanocrystalline metal oxides in rescue units. [ABSTRACT FROM AUTHOR]

Published
2020
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49. In vitro gastrointestinal digestion increases the translocation of polystyrene nanoparticles in an in vitro intestinal co-culture model

Author

Walczak, Agata P., Kramer, Evelien, Hendriksen, Peter J. M., Helsdingen, Richard, Zande, Meike Van Der, Rietjens, Ivonne M. C. M., and Bouwmeester, Hans

Subjects
inorganic chemicals, mental disorders, technology, industry, and agriculture, respiratory system, health care economics and organizations
Abstract

The conditions of the gastrointestinal tract may change the physicochemical properties of nanoparticles (NPs) and therewith the bioavailability of orally taken NPs. Therefore, we assessed the impact of in vitro gastrointestinal digestion on the protein corona of polystyrene NPs (PS-NPs) and their subsequent translocation across an in vitro intestinal barrier. A co-culture of intestinal Caco-2 and HT29-MTX cells was exposed to 50 nm PS-NPs of different charges (positive and negative) in two forms: pristine and digested in an in vitro gastrointestinal digestion model. In vitro digestion significantly increased the translocation of all, except the “neutral”, PS-NPs. Upon in vitro digestion, translocation was 4-fold higher for positively charged NPs and 80- and 1.7-fold higher for two types of negatively charged NPs. Digestion significantly reduced the amount of protein in the corona of three out of four types of NPs. This reduction of proteins was 4.8-fold for “neutral”, 3.5-fold for positively charged and 1.8-fold for one type of negatively charged PS-NPs. In vitro digestion also affected the composition of the protein corona of PS-NPs by decreasing the presence of higher molecular weight proteins and shifting the protein content of the corona to low molecular weight proteins. These findings are the first to report that in vitro gastrointestinal digestion significantly affects the protein corona and significantly increases the in vitro translocation of differently charged PS-NPs. These findings stress the importance of including the in vitro digestion in future in vitro intestinal translocation screening studies for risk assessment of orally taken NPs.

Published
2015
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50. Neurological symptoms and syndromes in municipal transport drivers

Author

Sinczuk-Walczak, Halina, Siedlecka, Jadwiga, Szymczak, Wiesław, Gadzicka, Elzbieta, Walczak, Agata, Kowalczyk, Grazyna, Dania, Marta, Bortkiewicz, Alicja, Nofer Institute of Occupational Medicine, Lodz, Poland, University of Łódź, Łódź, Poland, and Medical University of Lodz, Łódź, Poland

Subjects
Chronic lumbosacral syndromes, Work environment, Headache, Neurological symptoms, human activities, Municipal bus drivers
Abstract

Background: The way the municipal transport drivers perform their job contributes to varied burdens linked with the body posture at work, stress, shift work, vibration, noise and exposure to chemical agents. The aim of the study was to assess the condition of the nervous system (NS) in municipal transport drivers. Material and Methods: The study covered 42 men, aged 43.4 years (standard deviation (SD): 8.3), employed as bus drivers in the municipal transport enterprise. The duration of employment was 11.8 years on average (SD: 8.6). The condition of the nervous system was assessed on the basis of clinical neurological examinations. Results: Chronic lumbosacral syndrome was found in 54.8% of the subjects. A significant relationship between the incidence of lumbosacral syndrome and the duration of employment (p = 0.032) was observed; significantly higher in drivers employed for 11–15 years (90.9%) in comparison to the remaining groups. Nervous system functional disorders were characterized by the increased emotional irritability (47.6%), sleep disorders manifested by excessive sleepiness (33.3%) or insomnia (28.6%) and headaches (3%), mostly tension headaches. Excessive daytime sleepiness was significantly age-dependent (p = 0.038). Conclusions: The evidenced NS disorders indicate the need to undertake preventive measures tailored for the occupational group of bus drivers. UDA POIG. 01.03.01-10-085/09

Published
2015

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