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Kazimierz Wielki University in Bydgoszcz

EducationBydgoszcz, Poland
About: Kazimierz Wielki University in Bydgoszcz is a education organization based out in Bydgoszcz, Poland. It is known for research contribution in the topics: Population & Luminescence. The organization has 1109 authors who have published 2923 publications receiving 19548 citations. The organization is also known as: Casimir the Great University & Uniwersytet Kazimierza Wielkiego w Bydgoszczy.


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Journal ArticleDOI
TL;DR: In this article, it was shown that if X contains an isomorphic copy Y of l 1, then X contains a complemented copy Y located inside Y (Theorem 1) and if Y is a slightly perturbated copy of U, then Y is complemented in X (Lemma 2).

8 citations

Journal ArticleDOI
TL;DR: The analysis showed that cortisol concentration was significantly higher post-exercise only in the blood of sport horses, suggesting that the magnitude of cortisol secretion is associated with the intensity and duration of exercise.
Abstract: The aim of the study was to evaluate the effect of regular physical exercise on cortisol concentration and oxygen-dependent bactericidal activity of neutrophils in peripheral blood in recreational and competitive sport horses (racehorses - Ra, trotters - T, jumping horses - J, driving horses - D). The study was conducted on 55 clinically healthy horses. Blood samples were collected from the external jugular vein three times: before exercise, immediately after exercise, and after 30-min rest. Blood samples were subjected to haematological examination, cortisol concentration was determined by radioimmunoassay (RIA) and neutrophil oxygen metabolism of neutrophils was determined using a chemiluminescence method. The analysis showed that cortisol concentration was significantly higher (P<0.05) post-exercise only in the blood of sport horses. This finding, along with a significant correlation (P<0.00005) with the heart and respiratory rates, suggests that the magnitude of cortisol secretion is associated with the intensity and duration of exercise. The relatively small post-exercise increase in cortisol concentration during different exercises of horses resulted in a transient increase of chemiluminescence activity of neutrophils, mainly in D (P<0.00001) and J horses (P<0.01). In the studied groups analysis of the correlation between cortisol concentration and other parameters showed significant correlation only in the case of the CL total in T (P<0.02) and D horses (P<0.004). It is therefore apparent that in a limited concentration, this hormone may stimulate the activity of these cells, although the effect of other neurohormonal factors cannot be excluded. This result confirms that regular and moderate training loads have a beneficial effect on the immunological status of horses.

8 citations

Journal ArticleDOI
TL;DR: In this article , a study of Mg2+ ion concentration effect on the luminescence and scintillation properties as well as segregation of atoms and defects creation processes were carried out.

8 citations

Journal ArticleDOI
TL;DR: In this paper, the effect of multiple (up to 10 times) injection molding of processed poly(3-hydroxybutyrate-co-4-hydroxynhoxybutyrates) (P(3,4HB)) on its phase transition temperatures, degree of crystallinity, degradation temperature, mass flow rate, mechanical properties, dynamic mechanical properties and Charpy's impact strength is presented.
Abstract: The effect of multiple (up to 10 times) injection molding of processed poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3,4HB)) on its phase transition temperatures, degree of crystallinity, degradation temperature, mass flow rate, mechanical properties, dynamic mechanical properties, and Charpy's impact strength is presented. The studies have shown that the multiple injection lowers the degree of crystallinity and the thermal stability of P(3,4HB). The mass flow rate values increased with increasing the injection number. It was found that the multiple injections had no substantial effect on the tensile strength up to 10 injection cycles and the tensile strength at break, tensile strain at tensile strength, and tensile strain at break up to 6 injection cycles. The maximum value of storage modulus at 30 °C and impact strength were recorded for sample after 4 cycles of injection, while the values of storage modulus at 120 °C increased with increase of the injection cycles. Copyright © 2015 John Wiley & Sons, Ltd.

7 citations

Journal ArticleDOI
TL;DR: Evaluating the effectiveness of the combined use of antiviral therapy and resort factors in patients with chronic hepatitis C in the phase of replication found that for patients with moderately active HCV, the replication phase was characterized by asthenic-vegetative syndrome.
Abstract: INTRODUCTION The presence of background HCV infection cannot be overestimated in view of the prevalence of chronic hepatitis C and the risk of adverse outcomes of this disease. Purpose of this study was to evaluate the effectiveness of the combined use of antiviral therapy (Roferon + Vero-Ribavirin) and resort factors in patients with chronic hepatitis C in the phase of replication. MATERIAL AND METHODS We observed 48 patients with chronic hepatitis C; the minimum level of activity of the process defined the phase of replication. Markers of HCV infection were determined by enzyme linked immunosorbent assay (ELISA) (a-HCV and HCV-Ig M). HCV RNA was determined twice by the polymerase chain reaction (PCR). Genotyping of hepatitis C virus was performed. Biochemical blood analysis and the study of HCV infection markers were carried out four times. Results of therapy were assessed immediately after the end of the resort (spa) treatment, then at 3, 6 and 12 months after starting treatment. At 12 months after starting treatment, all the observed patients had persistent clinical and biochemical remission. Elimination of the virus from the blood was noted in 56% of the control group and 74% of patients in the study group. CONCLUSIONS For patients with moderately active HCV, the replication phase was characterized by asthenic-vegetative syndrome (100% of patients) with severe depression (22.92%), pain (77.08%) and dyspeptic syndrome (33.33%), moderate hypertransferaseemia (100%), slightly pronounced cholestasis (33% of patients), and signs of mesenchymal-inflammatory response.

7 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202312
202237
2021217
2020246
2019247
2018278