Autor: Kułak, W. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The physical and occupational activity of patients with multiple sclerosis depending on the form of clinical disease
Autorzy:: Wyszyńska, E.
Sienkiewicz, D.
Kułak, W.
Powiązania:: https://bibliotekanauki.pl/articles/1918844.pdf
Data publikacji:: 2019-08-26
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Multiple sclerosis
physical activity
occupational activity
Opis:: Introduction: The progressive nature of multiple sclerosis (MS) is associated with numerous neurological deficits, leading gradually to deteriorating health and to disability. Purpose: The aim of this study was a subjective assessment of the physical and occupational activity of individuals with MS depending on the clinical form of the disease. Materials and methods: We used the original to conduct the research, with 28 closed questions. The study was carried out from December 1, 2018, to January 31, 2019, following approval by the Bioethics Committee of the Medical University of Bialystok, among persons belonging to the Association for Helping Sick People for Multiple Sclerosis in Białystok and patients of the Neurology Department of the University Clinical Hospital in Bialystok. The study sample comprised 50 people diagnosed with MS, 41 women and 9 men. Results: The most frequently occurring clinical form of MS was relapsing-remitting (68%). In this form, most participants had good physical fitness (44%). In those with the progressive-recurrent form (50%), very poor physical fitness was subjectively noted. Of those with the relapsing-remitting type of MS, 50% were professionally active, while none of the participants with the progressive-recurrent form were. Both the physical and occupational activities of MS patients were frequently limited by fatigue, balance disturbances, and movement difficulties. Fatigue was the most common symptom for most individuals with MS (82%). Conclusion: MS has a significant impact on both the physical activity and occupational functioning of patients. In the clinical form of MS, relapsing-remitting, patients’ physical fitness was better.
Źródło:: Progress in Health Sciences; 2019, 1; 126-131
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Metoda biologicznego sprzężenia zwrotnego w rehabilitacji dzieci z mózgowym porażeniem dziecięcym - doniesienie wstępne
Biofeedback in rehabilitation of children with infantile cerebral palsy - preliminary report
Autorzy:: Sienkiewicz, D.
Kułak, W.
Okurowska-Zawada, B.
Paszko-Patej, G.
Powiązania:: https://bibliotekanauki.pl/articles/262009.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki. Katedra Inżynierii Biomedycznej
Tematy:: rehabilitacja
dzieci
mózgowe porażenie dziecięce
biologiczne sprzężenie zwrotne
rehabilitation
children
handicapped children
Opis:: Jedną z częściej rozpoznawanych chorób u dzieci niepełnosprawnych jest mózgowe porażenie dziecięce (MPDz). Plastyczność kompensacyjna mózgu jest podłożem efektów, jakie uzyskuje się w trakcie rehabilitacji pacjentów z uszkodzeniem ośrodkowego układu nerwowego. Nowoczesną metodą, coraz szerzej stosowaną u pacjentów dorosłych, są ćwiczenia oparte na zjawisku biologicznego sprzężenia zwrotnego (biofeedback). Celem pracy była ocena możliwości usprawniania dzieci poprzez zastosowanie rotoru skonstruowanego w oparciu o powyższą metodę (rotor - biofeedback) do ćwiczeń kończyn górnych i dolnych. Badaniem objęto grupę 17 dzieci - 8 (47,1%) dziewczynek i 9 (52,9%) chłopców ze spastyczną postacią AiPDz. Średnia wieku wynosiła i 1,9 š3,9 lat. Średnia ilość sesji treningowych wynosiła 9,0 (Standard Deviation - SD 5,1), czas wykonywania ćwiczenia - .10-15 min. Oceniano symetrię aktywności kończyn dolnych oraz zmiany nasilenia spastyki w trakcie terapii. W grupie dzieci starszych uzyskano pozytywne efekty terapii w postaci zmniejszenia napięcia mięśniowego, skutkujące zmniejszeniem różnicy aktywności kończyn dolnych.
One of the often diagnosed diseases in handicapped children is infantiie cerebral palsy (ICP). T h e base of the effects of rehabilitation in patients with central nervous system injury is compensatory bram neuroplasticity. Exercises based on biofeedback are modem rehabilitation method of adult patients. The a im of the study was to assess the effect of rotor biofeedback on motor improvement in children suffered from infantile cerebral palsy (ICP). The exarmned group inchided 17 children - 8 (47.1%) girls and 9 (52.9%) boys with spastic ICP. Mean age was 11.9 š3.9 years. Average mimber of training sessions was 9.0 (Standard Deviation - SD 5.1), duration of exercise - 10-15min. Symmetry of the lower Limbs activity and chaege of muscular tension during exercises were tested. In the grcup of older children positive effect of therapy was obtained - reducing of muscular tension, which was followed by decrease of the lower limbs activity distinction.
Źródło:: Acta Bio-Optica et Informatica Medica. Inżynieria Biomedyczna; 2010, 16, 4; 314-317
1234-5563
Pojawia się w:: Acta Bio-Optica et Informatica Medica. Inżynieria Biomedyczna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Granulocyte colony-stimulating factor potential use in the treatment of children with cerebral palsy
Autorzy:: Paszko-Patej, G.
Sienkiewicz, D.
Okurowska-Zawada, B.
Kułak, W.
Powiązania:: https://bibliotekanauki.pl/articles/1918437.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Granulocyte colony-stimulating factor
neuroprotection
studies
cerebral palsy
Opis:: Granulocyte colony-stimulating factor (G-CSF) is a glycoprotein that stimulates the bone marrow to produce granulocytes and stem cells and release them into the blood. Recent studies demonstrated the presence of CSF-receptor (G-CSFR) system in the brain and spinal cord, and their roles in neuroprotection and neural tissue repair, as well as improvement in functional recovery. G-CSF exerts neuroprotective actions through the inhibition of apoptosis and inflammation, and the stimulation of neurogenesis. This review highlights recent studies on the potential use of G-CSF in cerebral palsy.
Źródło:: Progress in Health Sciences; 2017, 7(1); 187-192
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Morphology and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends
Autorzy:: Ratajska, A.M.
Kulak, W.P.
Poeppel, A.
Seyler, A.
Roslaniec, Z.
Powiązania:: https://bibliotekanauki.pl/articles/778730.pdf
Data publikacji:: 2009
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: mieszaniny
mieszalność
polifluorek winylidenu
właściwości mechaniczne
blends
miscibility
polyamide 12 (PA12)
poly(vinylidene fluoride) (PVDF)
DSC
DMTA
SEM
mechanical properties
Opis:: The morphology, thermal and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends were investigated. These polymers are engineering, semi-crystalline polymers which are reciprocally immiscible. Differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA) and scanning electron microscopy (SEM) were used to characterize the polymeric materials. Mechanical properties were examined by static tensile test. The investigations demonstrate that blends with higher amount of PVDF, with the morphology of two co-continuous semicristalline phases, exhibit better mechanical properties. The blends with small content of PVDF and prepared by extrusion show the morphology of small separated domains of PVDF and full continuous PA phase. The morphology of these blends is different than the blends prepared by internal mixer and have better mechanical properties too. Thus they can be used in particular applications without a compatibilizing agent.
Źródło:: Polish Journal of Chemical Technology; 2009, 11, 3; 27-34
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Medical students’ perceptions of people with disabilities
Autorzy:: Guzowski, A.
Kułak-Bejda, A.
Stelcer, B.
Jasiński, M.
Łukaszuk, C.R.
Cybulski, M.
Kułak, W.
Powiązania:: https://bibliotekanauki.pl/articles/1918400.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Medical students
attitudes
people with disabilities
life satisfaction
empathy
Opis:: Introduction: Little is known about associations of attitudes of medical students towards people with disabilities and their life satisfaction and empathy. Purpose: To assess the social perception of people with disabilities by medical students. Materials and methods: The present study interviewed 451 medical students of the Medical University of Białystok regarding their perceptions of people with disabilities, especially in light of their own satisfaction with life and empathy. We used the following questionnaires: the original questionnaire about attitudes towards people with disabilities, The Satisfaction with Life Scale (SWLS), and Empathy Understanding Questionnaire (KRE). Results: Attitudes towards people with disabilities people were generally positive. Almost 40% of respondents expressed a willingness to help for people with disabilities. In general, disabled people do not have full access to all fields of social (63.4%) and professional (63.2%) life. At the same time, disabled people tend to marry (84.9%), have children (82.1%), work (88.2%), and drive cars (76.1%). Respondents were convinced that contact with a disabled person teaches ways to help others (42.1%), and in fact 58.6% of respondents reported having decided to participate with helping the disabled. The average life satisfaction of the students was 22.7 ± 5.3 which indicates that the respondents are satisfied with their lives. The empathy level of respondents was 66.97 points ± 2.98, which indicates average level of empathy. Conclusions: This study shows that students’ perception of people with disabilities depends upon how the students viewed disabled people’s, life satisfaction and empathy.
Źródło:: Progress in Health Sciences; 2016, 6(2); 125-131
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Effects of short moderate exercise on hematological parameters and stem cells in healthy humans
Autorzy:: Sochoń, K.
Sienkiewicz, D.
Okurowska-Zawada, B.
Paszko-Patej, G.
Wojtkowski, J.
Dmitruk, E.
Żak, J
Kułak, W.
Powiązania:: https://bibliotekanauki.pl/articles/1918279.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Exercise
healthy subjects
stem cells
Opis:: Introduction: Exercise at various durations and intensities impact on blood and stem cells. This pilot study examined the effects of 30 minutes of treadmill walking on hematological indices and progenitor stem cells CD34+ in healthy subjects. Materials and methods: A total of 17 non-smoking, healthy students, aged 20 to 22 years participated. Hemoglobin, hematocrit, white blood cells, platelets, and stem cell CD34+ numbers were assessed before and after moderate exercise. Statistical analyses examined the relationships between CD34+ cells versus hematological indices, age, and body mass index. Results: Following exercise, significant increases were observed in leukocytes, neutrophils, eosinophils, and CD34+ cells numbers. For CD34+ cells, a fourfold increase was seen. Significant correlations between CD34+ cells, white blood cells, and neutrophils were found. Conclusion: Our results suggest that moderate exercise has a physiological impact on hematologic parameters and stem cells CD34+ in healthy subjects. Furthermore, our findings suggest that brief treadmill exercise may enhance tissue repair mechanisms so important in physiotherapy.
Źródło:: Progress in Health Sciences; 2016, 6(2); 184-187
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Safety and efficacy of granulocyte colony stimulating factor in a patient with tetraplegia caused by cervical hyperextension injury: a case report
Autorzy:: Okurowska-Zawada, B
Kułak, W
Sienkiewicz, D
Paszko-Patej, G
Dmitruk, E
Kalinowska, A
Wojtkowski, J
Korzeniecka–Kozerska, A
Powiązania:: https://bibliotekanauki.pl/articles/1916580.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Cervical hyperextesniosn
spinal cord injury
tetraplegia
male
Opis:: he authors present the case of a 17-year-old boy who suffered a cervical spinal injury as a result of the sharp bending of the head after slipping (without falling). After about 30 minutes, he began to feel tingling in the limbs and he developed tetraparesis. He went through physical rehabili-tation, psychological rehabilitation, occupational therapy, and periodic catheterization. Additionally, we introduced to him a low dose of analog granulocyte colony-stimulating factor (G-CSF). G-CSF 5 μg/kg was given subcutaneously daily for 5 days per month for 3 months, again after 6 months, and again after 10 months. The boy could sit indecently and walk with assistance. A significant increase in muscle strength in this patient with tetraplegia after 10 months of treatment may indicate beneficial effects of G-CSF in this disorder.
Źródło:: Progress in Health Sciences; 2014, 4, 2; 181-184
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Effects of granulocyte colony-stimulating factor therapy for osteogenesis imperfecta: a case report
Autorzy:: Paszko-Patej, G.
Sienkiewicz, D.
Kułak, W.
Okurowska-Zawada, B.
Wojtkowski, J.
Kalinowska, A.
Okulczyk, K.
Sochoń, K.
Dmitruk, E.
Mirska, A.
Powiązania:: https://bibliotekanauki.pl/articles/1918408.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Osteogenesis imperfecta
granulocyte colony-stimulating factor
muscle strength
Opis:: Introduction: Osteogenesis imperfecta (OI) is a genetic disorder of increased bone fragility and low bone mass. OI type IV. Materials and methods: We examined the safety and effectiveness of a low dose of analog granulocyte colony-stimulating factor (G-CSF) in a 15-year-old girl OI type IV. G-CSF 5 μg/kg was given subcutaneously, for 5 days/month for 3, 6 and 12 months. Laboratory tests, including blood, biochemical tests were performed, in addition to clinical examination.Results: Clinical examination revealed an increase of muscle strength in the upper and lower limbs between base line and day 6 and 12 months. We found no serious adverse events. Leukocyte levels remained below 38,000/μL. Low dose G-CSF was safe and well tolerated by the patient. Conclusions: A significant increase in muscle strength in this patient may indicate beneficial effects of G-CSF factor in this disorder. These results are inspiring and warrant further studies.
Źródło:: Progress in Health Sciences; 2017, 7(1); 205-208
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Effects of granulocyte colony-stimulating factor treatment in children and patients with cerebral palsy: a preliminary report
Autorzy:: Paszko-Patej, G.
Kułak, W.
Okurowska-Zawada, B.
Sienkiewicz, D.
Wojtkowski, J.
Sochoń, K.
Kalinowska, A.
Okulczyk, K.
Topór, E.
Mirska, A.
Powiązania:: https://bibliotekanauki.pl/articles/1918403.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Granulocyte colony-stimulating factor
children
cerebral palsy
Opis:: Introduction: Recent reports have revealed that neuroinflammation and apoptosis in brains affected by cerebral palsy could be therapeutic targets. Granulocyte colony-stimulating factor (G-CSF) exerts anti-inflammatory and antiapoptosis effects and stimulates the proliferation of neural stem and progenitor cells in the brain. Purpose: To assess the efficacy and safety of G-CSF treatment in children and adolescents with CP. Materials and methods: Six patients with spastic tetraplegia CP aged 3-15 years were enrolled in this study. Five patients had GMFCS (Gross Motor Function Classification System) level at V, three children had epilepsy, and three had severe mental retardation. We used the gross motor function measure-66 (GMFM-66) to assess motor function.GCSF (5μg/kg/body/day) was administered subcutaneously for five consecutive days during the four months. The parents also evaluated the physical and mental development of their children. Results: We observed improvement in motor function in patients with CP on the GMFM-66 scale. Parents reported improvement in behavior, speech development, and a decrease in spasticity in children with CP. G-CSF therapy was well-tolerated. No side effects were observed during the study. Conclusions: Our preliminary report suggests that G-CSF treatment improves motor and mental function in patients with CP. Further studies are needed to confirm these observations
Źródło:: Progress in Health Sciences; 2017, 7(1); 78-82
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Quality of life of children suffering from motor disabilities as evaluated by their parents
Autorzy:: Wojtkowski, J.
Sienkiewicz, D.
Okurowska-Zawada, B.
Paszko-Patej, G.
Konopka, A.
Okulczyk, K.
Średzińska, K.
Dmitruk, E.
Mirska, A.
Kułak, W.
Powiązania:: https://bibliotekanauki.pl/articles/1918580.pdf
Data publikacji:: 2018-01-09
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Quality of life
motor disability
children
parents
Opis:: Purpose: We assessed the quality of life of children with motor disabilities in comparison with healthy children, as evaluated by their parents, using the CHQ-PF28 questionnaire (Child Health Questionnaire—Parent Form). Materials and methods: In a prospective study, we evaluated the quality of life of 105 children with motor disabilities. Results: Our research showed lower quality of life in the group of children with motor disabilities compared with controls, both in terms of physical and psychosocial health. Significant correlations between independent walking and physical functioning, general behavior, and mental health of children suffering from motor disabilities were found. According to the average indices of quality of life of children suffering from motor disabilities, depending on sex, the greatest differences occurred in behavior and change of health status, while the smallest differences in self-esteem and parental involvement, compared with controls. In the case of healthy children, the largest differences appeared in the perception of pain, behavior, and self-esteem; whereas, the smallest variations occurred in the change of health status and physical activity. Conclusion: Children suffering from motor disabilities demonstrate lower quality of life compared with healthy children.
Źródło:: Progress in Health Sciences; 2017, 7(2); 60-66
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: The perception of violence in children’s drawings
Autorzy:: Krajewska-Kułak, E.
Kułak, W.
Stelcer, B.
Jasiński, M.
Kowalczuk, K.
Łukaszuk, C.
Guzowski, A.
Cybulski, M.
Lewko, J.
Van Damme-Ostapowicz, K.
Powiązania:: https://bibliotekanauki.pl/articles/1917749.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Violence
drawings
children
adolescents
Opis:: The aim of the paper is to evaluate the perception of violence held by children and adolescents aged 8 to 16 years based on their artworks. 163 children’s drawings submitted from across Poland on "Children against violence." were analyzed. These pictures were analysed according to their contents. The artworks were made using various techniques: torn paper collage, collage, wax scratch, coloring pages, painting using poster paints and watercolors. Drawings have been classified in twelve thematic groups: "aggression against things", "peer violence","violence and addiction", "family violence", "workplace violence", "on-line violence," verbal violence", the continuity of violence", difficult choices" ,and " help ". Children and adolescents are good observers and they see various forms of violence, especially signs of bullying, and the impact of addictions on their development. Children know how to avoid and reduce violence.
Źródło:: Progress in Health Sciences; 2016, 6(1); 78-85
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Granulocyte colony-stimulating factor therapy for facioscapulohumeral dystrophy: a case report
Autorzy:: Sienkiewicz, D.
Kułak, W.
Okurowska-Zawada, B.
Paszko-Patej, G.
Wojtkowski, J.
Dmitruk, E.
Okulczyk, K.
Sochoń, K.
Kalinowska, A.
Żak, J.
Pogorzelski, R.
Powiązania:: https://bibliotekanauki.pl/articles/1918329.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Facioscapulohumeral dystrophy
granulocyte colony-stimulating factor
muscle strength
Opis:: We examined the safety and effectiveness of a low dose of analog granulocyte-colony stimulating factor in a 15-year-old boy with facioscapulohumeral dystrophy. The onset of disease was noted at 12 years of age. The physical examination noted general muscle atrophy more pronounced at left side of the body. He was able to walk 300 meters within 6 minute walk test. Granulocyte colony-stimulating factor 5 μg/kg was given subcutaneously daily for 5 days/month for 1, 2, 3, 6 and 12 months. Clinical examination, laboratory tests including blood, biochemical tests, and CD34+ cells were performed. A significant increase of muscle strength in the lower and upper limbs between baseline, and after 3 months of treatment, after 6, and after 12 months was found. He was able to walk 480 meters within 6 minutes after 12 months. Electromyography demonstrated increase of amplitude in the examined in upper and lower limbs after six months compared to baseline. Leukocyte levels remained below 25000/μL. CD34+ increased significantly at day 5 of granulocyte colony-stimulating factor admini-stration. It was safe and well tolerated by the patient. A significant increase in muscle strength in this patient with facioscapulohumeral dystrophy after 3 months of treatment, after 6, and after 12 months since the first treatment course was completed may indicate beneficial effects of granulocyte colony-stimulating factor in this disorder.
Źródło:: Progress in Health Sciences; 2016, 6(2); 175-177
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Validation of the Polish version of the Anderson and Dedrick Trust in Physician scale
Autorzy:: Krajewska-Kułak, E.
Kułak, W.
Łukaszuk, C.
Lewko, J.
Sengupta, P.
Cybulski, M.
Guzowski, A.
Kowalczuk, K.
Jankowiak, B.
Kowalewska, B.
Kondzior, D.
Rolka, H.
Baranowska, A.
Lankau, A.
Klimaszewska, K.
Sierakowska, M.
Krajewska-Ferishah, K.
Szyszko-Perłowska, A.
Powiązania:: https://bibliotekanauki.pl/articles/1918629.pdf
Data publikacji:: 2018-06-18
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: Trust in Physician Scale
validation
Polish version
Opis:: Purpose: The aim of this study was to validate the Trust in Physician Scale (TPS) for Polish patients. Materials and Methods: The validation of a Polish-language version of Anderson and Dedrick’s TPS was performed with a group of 849 patients. Validation consisted of the translation and evaluation of the psychometric properties of the Polish TPS and its application among Polish-speaking patients. We also explored the TPS with the patient’s sex, age, education, income, marital status, and number of physician visits. Results: The internal consistency of the Polish TPS was high (Cronbach’s alpha = .891). In our study, the TPS is positively associated with age, education, income, marital status, and number of physician visits. Also, we have found that the TPS is negatively associated with sex and place of residence. Conclusions: The Polish-language scale fulfills all the criteria of psychometric and functional validation with the original version of the Trust in Physician Scale.
Źródło:: Progress in Health Sciences; 2018, 8(1); 27-35
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Badania potencjodynamiczne drutów ze stali nierdzewnych w środowisku płynów ustrojowych
Potentiodynamic research of wires made of stainless steels in the environment of body fluids
Autorzy:: Przondziono, J.
Walke, W.
Kulak, K.
Powiązania:: https://bibliotekanauki.pl/articles/284560.pdf
Data publikacji:: 2008
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:: implanty ortopedyczne
biokompatybilność
odporność korozyjna
orthopaedic implants
biocompatibility
corrosion resistance
Źródło:: Engineering of Biomaterials; 2008, 11, no. 77-80; 104-106
1429-7248
Pojawia się w:: Engineering of Biomaterials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Ocena wplywu 33 proc. ekstraktu z grejfruta na wzrost grzybow drozdzopodobnych, dermatofitow i plesni
Autorzy:: Krajewska-Kulak, E
Lukaszuk, C.
Niczyporuk, W.
Powiązania:: https://bibliotekanauki.pl/articles/837346.pdf
Data publikacji:: 2001
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: plesnie
ekstrakt z grapefruita
dermatofity
parazytologia
aktywnosc przeciwgrzybicza
grzyby drozdzoidalne
wzrost grzybow
Opis:: Grapefruit seed extract was discovered by Jacob Harich an american immunologist in 1980. Assessment of the influence of grapefruit extract on the yeast-like fungi strains - Candida albicans growth. Material used in this investigation was ATCC test Candida albicans strains no 10231, 200 of Candida albicans strains, 5 of Candida sp. strains isolated from patients with candidiasis symptoms from different ontocenosis and 12 of dermatophytes and moulds isolated from patients. The susceptibility of the Candida was determined by serial dilution method. It seems that 33% grapefruit extract exert a potent antifungal activity against the yeast like fungi strains and had low activity against dermatophytes and moulds. Further studies in vitro and in vivo on greater number of the yeast-like fungi strains and other fungi species are needed.
Źródło:: Annals of Parasitology; 2001, 47, 4; 845-849
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Ocena wpływu 33 proc. ekstraktu z grejfruta na wzrost grzybów drożdżopodobnych, dermatofitów i pleśni
EFFECTS OF 33% GRAPEFRUIT EXTRACT ON THE GROWTH OF THE YEAST - LIKE FUNGI, DERMATOPYTES AND MOULDS
Autorzy:: Krajewska-Kulak, E.
Łukaszuk, C.
Niczyporuk, W.
Powiązania:: https://bibliotekanauki.pl/articles/2148242.pdf
Data publikacji:: 2001
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: plesnie
ekstrakt z grapefruita
dermatofity
parazytologia
aktywnosc przeciwgrzybicza
grzyby drozdzoidalne
wzrost grzybow
Opis:: Grapefruit seed extract was discovered by Jacob Harich an american immunologist in 1980. Assessment of the influence of grapefruit extract on the yeast-like fungi strains - Candida albicans growth. Material used in this investigation was ATCC test Candida albicans strains no 10231, 200 of Candida albicans strains, 5 of Candida sp. strains isolated from patients with candidiasis symptoms from different ontocenosis and 12 of dermatophytes and moulds isolated from patients. The susceptibility of the Candida was determined by serial dilution method. It seems that 33% grapefruit extract exert a potent antifungal activity against the yeast like fungi strains and had low activity against dermatophytes and moulds. Further studies in vitro and in vivo on greater number of the yeast-like fungi strains and other fungi species are needed.
Źródło:: Wiadomości Parazytologiczne; 2001, 47, 4; 845-849
0043-5163
Pojawia się w:: Wiadomości Parazytologiczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 17.

Tytuł:: Analiza struktury czasu pracy przy pielęgnacji upraw wykaszarkami spalinowymi
Analysis of shift time structure during tree culture cultivation with brush cutters
Autorzy:: Sowa, J.M.
Szewczyk, G.
Kulak, D.
Pasiowiec, W.
Powiązania:: https://bibliotekanauki.pl/articles/796537.pdf
Data publikacji:: 2002
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Opis:: Together with the growth of young trees cultivation carried out by the National Forestry Board it became necessary to mechanize the works that would increase their efficiency with equally high quality. Recognition and optimalization of worktime structure of brush cutter operators during cultivation is of great practical importance in this context. Technological improvement of cultivation in the analysed experiment applied a square method (fig. 1), while technical rationalisation consisted in cutting around young trees. The worktime structure of the described workstand was defined with the help of a working day photography being taken for three days for four workers. Next the measured time data were classified according to a scheme from fig. l. A relatively high fraction of resting time and maintenance of the brush cutter in a workshift proved that an exploitation shift time coefficient of effectiveness was 0.61. On the basis of differences between effective worktime and rest distributions as well as technological stand-still and everyday maintenance it was presumed that the cause of frequent work breaks were repeated repairs of brush cutters.(fig. 6). High value of coefficient of operating time efficiency (0.93) proved the optimum choice of the applied technology. The work efficiency assumed for the experiment - three times higher than for a hand tool -indicates that it is necessary to turn to a hand-machine level of cultivating.
Wobec dużego rozmiaru prac pielęgnacyjnych realizowanych przez Lasy Państwowe niezbędna jest ich mechanizacja, podnosząca wydajność przy niezmienionej jakości wykonania. Poznanie i optymalizacja struktury czasu pracy operatorów wykaszarek spalinowych przy wykonywaniu pielęgnacji upraw ma w tym kontekście duże znaczenie praktyczne. Racjonalizacja technologii pielęgnacji upraw w analizowanym doświadczeniu polegała na stosowaniu metody kwadratu (rys. 1), zaś techniki pracy na obkaszaniu drzewek (rys. 2). Strukturę czasu pracy opisywanego stanowiska określono na podstawie fotografii dnia roboczego prowadzonej dla czterech robotników przez trzy dni. Następnie sklasyfikowano pomierzone czasy wg schematu z tab 1. Stosunkowo duży udział w zmianie roboczej czasów odpoczynków i napraw urządzenia tnącego (rys. 3) spowodował, że współczynnik wykorzystania eksploatacyjnego czasu zmiany wyniósł 0,61. Na podstawie różnic rozkładów efektywnego czasu pracy i odpoczynków oraz czasów przestojów technologicznych i codziennej obsługi maszyn wnioskowano, że przyczyną częstych przerw w pracy jest wielokrotna naprawa urządzenia tnącego (rys. 5). Zależność tą potwierdzono, charakteryzując istniejący związek jako zależność liniową (rys. 6). Wysoka wartość współczynnika wykorzystania czasu operacyjnego - 0,93 - potwierdziła optymalny dobór zastosowanej technologii prac. Określona w doświadczeniu wydajność prac - trzykrotnie wyższa w porównaniu z narzędziem ręcznym, wskazuje na konieczność przejścia na poziom ręczno-maszynowy wykonywania pielęgnacji upraw.
Źródło:: Zeszyty Problemowe Postępów Nauk Rolniczych; 2002, 486, 1
0084-5477
Pojawia się w:: Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:: Biblioteka Nauki