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    Wyświetlanie 1-15 z 15
    Tytuł:
    Oxidative stability of the lipid fraction in cookies : the EPR study
    Autorzy:
    Zawada, K.
    Kozłowska, M.
    Żbikowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/146474.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    cookies
    EPR spectroscopy
    oxidative stability
    rosemary
    thyme
    Opis:
    Cookies are a group of convenient food products that are popular among consumers. They may contain high amounts of fats, which can be prone to oxidation. To retard the oxidative deterioration, synthetic and natural antioxidants may be added. Herb and spice extracts can be sources of natural biologically active substances with antioxidant activity. In this work, electron paramagnetic resonance spectroscopy was used to monitor the lipid oxidation in cookies with rosemary and thyme extracts subjected to the storage in elevated temperature. It was shown that thyme extract can be used as a natural antioxidant source for the preparation of bakery products, while the rosemary extract should be used with care in fat-rich products exposed to high temperatures.
    Źródło:
    Nukleonika; 2015, 60, No. 3, part 1; 469-473
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conceptual prototype of USB wireless adapter
    Autorzy:
    Wodo, W.
    Hanzlik, L.
    Zawada, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1396518.pdf
    Data publikacji:
    2014
    Wydawca:
    Fundacja na Rzecz Młodych Naukowców
    Tematy:
    USB
    wireless
    Wi-Fi
    communication
    hub
    komunikacja bezprzewodowa
    komunikacja
    Opis:
    In this paper we investigate the issue of wireless USB hubs. Our aim is to adapt any USB device to its wireless version. We propose a minimized mobile hardware solution in the form of an electronic device and software allowing remote usage of peripherals such as keyboards, mice, USB sticks, etc. On the U.S. market similar solutions are known, but they are based on a many-to-one communication model and their design does not encourage mobility. With these designs peripheral devices still have one common point (in this case a hub instead of a computer). Additionally, hubs need external power supplies, thus they are connected to the grid by cable. Our solution is based on a one-to-one communication model and have a few key advantages for mobility. First, there is the possibility of minimizing the device itself and shortening the wire of the corresponding peripheral. Furthermore power consumption of the transmitter is much lower, and therefore there is no need to use an external power supply.
    Źródło:
    Challenges of Modern Technology; 2014, 5, 4; 8-11
    2082-2863
    2353-4419
    Pojawia się w:
    Challenges of Modern Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of Antioxidant Properties of Creams with Berry Extracts by Artificial Neural Networks
    Autorzy:
    Makarova, K.
    Zawada, K.
    Wagner, D.
    Skowyra, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030222.pdf
    Data publikacji:
    2017-07
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.05.Mh
    33.35.+r
    61.72.Hh
    76.30.-v
    87.64.kh
    87.80.Lg
    Opis:
    Oxidative stress and the excess of free radicals accelerate the ageing process of human skin. The application of skin cream with antioxidant compounds could reduce the damage caused by free radicals. In this work we studied two types of skin creams with extracts from aronia (Aronia melanocarpa), elderberry (Sambucus nigra) and bilberry (Vaccinium myrtillus) because of their high content of anthocyanins, i.e. strong natural antioxidants. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging ability of the skin creams with berry extracts were studied with ESR spectroscopy. The artificial neural networks were applied to optimize the berry extract concentration and storage time for oil-in-water and water-in-oil creams. Based on experimental results chokeberry and elderberry extracts in oil-in-water cream base revealed higher DPPH radical scavenging ability than in the corresponding water-in-oil. Artificial neural networks predicts maxima of DPPH radical scavenging for 1-week stored elderberry (2.23 mg DPPH/g) and 1-week stored chokeberry (5.84 mg DPPH/g) and bilberry (5.26 mg DPPH/g) 0.76% extracts in oil-in-water creams. The maxima of DPPH radical scavenging for water-in-oil creams were predicted for 6-week stored 0.8% aronia extract, freshly prepared 0.76% bilberry extract and 1-week stored 0.56% elderberry extract. The artificial neural networks predicted values are in good agreement with the experimental values. DPPH-EPR could be combined with artificial neural networks to optimize the extract concentration, and the type of cream base as well as to predict the effect of storage based on a limited number of experiments and samples.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 1; 44-51
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Optimization of Antioxidant Properties of Herbal Bathing Salts
    Autorzy:
    Zawada, K.
    Makarova, K.
    Kowalska, D.
    Wawer, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1032383.pdf
    Data publikacji:
    2017-07
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.64.kh
    87.80.Lg
    Opis:
    The antioxidant properties 4 herbal infusions (of lavender flower, melissa leaf, verbena herb, and birch leaf), 2 salts (Dead Sea and Bochnia Mine salts) and 8 herbal salts (combination of herbal extract and salt) have been evaluated by 2,2-diphenyl-1-picrylhydrazyl-ESR (DPPH-ESR) test, ferric reducing antioxidant power and spin trap ESR using the Fenton reaction. The influence of herbal extracts and herbal salts on lipid membrane permeability has been studied with the spin probe ESR in the range of 293-323 K. The highest antioxidant activity was determined for melissa leaf preparations followed by birch leaf preparations in DPPH and ferric reducing antioxidant power assays whereas in the Fenton reaction the highest radical scavenging was observed for verbena herb and melissa leaf preparations. The lowest membrane permeability was observed in the presence of infusions of melissa and birch leaves, followed by corresponding herbal salts based on Bochnia Mine salt, and it was lower than in the reference system. On the other hand, lavender infusion increased the permeability of the model membrane, whereas the lavender salts decreased it. Therefore, the antioxidant activity of herbal infusions and salts towards skin could be inhibited by a lowered permeability. Thus, the combination of permeability studies with antioxidant studies in the presence of model lipids could be potentially used for optimization of other types of herbal bath salts.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 1; 56-61
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spin trapping studies of essential oils in lipid systems
    Autorzy:
    Makarova, K.
    Drązikowska, K.
    Suska, B.
    Zawada, K.
    Wawer, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/147786.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    spin trapping ESR
    essential oils
    DFT calculations
    lipids
    Opis:
    In the present work, we report the results of a spin trapping ESR study of four essential oils widely used for skin care products such as creams and bath salts. The studied essential oils are Rosmarini aetheroleum (rosemary), Menthae piperitae aetheroleum (mint), Lavandulae aetheroleum (lavender), and Thymi aetheroleum (thyme). Fenton reaction in the presence of ethanol was used to generate free radicals. The N-tert- -butyl-α-phenylnitrone (PBN) was used as a spin trap. In the Fenton reaction, the rosemary oil had the lowest effect on radical adduct formation as compared to the reference Fenton system. Since essential oils are known to be lipid soluble, we also conducted studies of essential oils in Fenton reaction in the presence of lipids. Two model lipids were used, namely 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) and 1,2-dipalmitoyl-sn- -glycero-3-phosphocholine (DPPC). The obtained results suggested that in the presence of DOPC lipids, the •OH and PBN/•CHCH3(OH) radicals are formed in both phases, that is, water and lipids, and all the studied essential oils affected the Fenton reaction in a similar way. Whereas, in the DPPC system, the additional type of PBN/X (aN = 16.1 G, aH = 2.9 G) radical adduct was generated. DFT calculations of hyperfi ne splittings were performed at B3LYP/6-311+G(d,p)/EPR-II level of theory for the set of c-centered PBN adducts in order to identify PBN/X radical.
    Źródło:
    Nukleonika; 2015, 60, No. 3, part 1; 461-468
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pervaporation applied for dewatering of reaction mixture during esterification
    Autorzy:
    Krasiński, A.
    Grudzień, A.
    Wierzba, P.
    Hajmowicz, H.
    Zawada, K.
    Synoradzki, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/184959.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    diethyl tartrate
    esterification
    pervaporation
    distillation
    integrated process
    perwaporacja
    destylacja
    Opis:
    In this work the esterification of diethyl tartrate was studied. The research was focused on the enhancement of reversible reaction yield, which is accomplished by dewatering of the reaction mixture. The removal of water shifts the equilibrium towards the main product. Pervaporation was applied for this purpose, and results were compared to distillation. The advantages and limitations of both processes are discussed. The experimental part consists of dewatering of mixture after the reaction had reached the equilibrium, and was subsequently fed to the test rig equipped with a single zeolite membrane purchased from Pervatech B.V. Results show a significant conversion increase as a result of water removal by pervaporation. Compared to distillation no addition of organics is necessary to efficiently remove water above the azeotrope. Nevertheless, some limitations and issues which call for optimisation are pointed out. A simple numerical model is proposed to support design and sizing of the pervaporation system. Various modes of integrated system operation are also briefly discussed.
    Źródło:
    Chemical and Process Engineering; 2016, 37, 1; 121-131
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of wave-noise on wave speeds and amplitudes of surface-gravity waves
    Autorzy:
    Murawski, K.
    Zawada, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1954094.pdf
    Data publikacji:
    2004
    Wydawca:
    Politechnika Gdańska
    Tematy:
    random waves
    dispersion relation
    wave-noise
    Opis:
    We have analytically examined surface-gravity waves which propagate in space- and time-dependent random velocity fields. Using a perturbative method, we have derived a dispersion relation which is solved for the case of wave-noise whose spectrum E(k,omega) ~ E(k)delta(omega-crk), where delta is Dirac's delta-function and cr is the random phase speed. We have found that for a dispersionless noise resonance occurs when cr is equal to the group velocity cg of the surface-gravity wave. In this resonance the real part of the wave frequency is finite, but its imaginary part exhibits the characteristic 1/x singularity. The wave-noise interacts with a packet of the surface-gravity waves in such a way that the waves are attenuated for cr < cg and are amplified for cr > cg. As the real part is positive for high values of k, the surface-gravity waves are accelerated by the wave-noise.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2004, 8, 3; 321-326
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Official driving licence examination adapted for the deaf
    Egzamin państwowy na prawo jazdy w wersji dla osób niesłyszących
    Autorzy:
    Marciniak, K.
    Paczkowski, A.
    Zawada, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/263529.pdf
    Data publikacji:
    2018
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    deaf persons
    driving license
    training
    examination
    prawo jazdy
    szkolenie
    egzamin
    głuchoniemi
    Opis:
    The article highlights the problems encountered by the deaf people who want to obtain a driving licence and describes the steps taken by a Consortium that run a project named GŁUSI (THE DEAF) within the “Social Innovations” Programme of the National Centre for Research and Development. The project objective was to make it more realistic for the deaf to obtain a motor vehicle driving licence by creating such examination conditions that would remove barriers preventing the access of the deaf to a success in the tests. In the regulations in force, not all examinees were equally treated by the legislator, who failed to provide a possibility of verifying the theoretical knowledge of the citizens who cannot use Polish language because of their disability. The fact that people who needed extra care from state authorities were burdened with requirements beyond their capacity was unjustifiable from social justice point of view; conversely, it made the unfair treatment of the disabled even worse. Since, according to legislator’s opinion, disabled people can obtain the right to drive motor vehicles, the depriving them of such a possibility solely because of the lack of appropriate examination tests and impossibility of communication when they drive a car is irrational. The regulations that govern the principles of examining the candidates for drivers do not provide any possibility of departure from the general rules. Thus, they limit the right of the deaf to live on their own and to move freely as the fully able people do. They also weaken the position of the deaf in the labour market and, in consequence, make it more difficult for such people to improve their and their families’ standard of living and quality of life.
    Artykuł wskazuje problemy osób niesłyszących w uzyskiwaniu praw jazdy i opisuje działania w ramach Programu NCBiR „Innowacje Społeczne” podjęte przez konsorcjum, realizujące projekt o akronimie GŁUSI. Celem projektu było urealnienie możliwości nabywania uprawnień do kierowania pojazdami przez osoby głuche poprzez stworzenie takich warunków egzaminowania, które usuną bariery w dostępie do uzyskania uprawnienia. Ustawodawca w obowiązujących przepisach nie traktował równo wszystkich przystępujących do egzaminów, ponieważ nie przewidywał możliwości weryfikacji wiedzy teoretycznej części obywateli, którzy z racji niepełnosprawności, nie posługują się językiem polskim. Obciążenie niewykonalnymi obowiązkami osób wymagających dodatkowej troski ze strony państwa nie znajdowało uzasadnienia na gruncie zasady sprawiedliwości społecznej, wręcz przeciwnie, pogłębiało niesprawiedliwe traktowanie osób niepełnosprawnych. Skoro według ustawodawcy, osoby niepełnosprawne mogą zdobyć uprawnienia do kierowania pojazdami, to nieracjonalne jest pozbawienie ich tej możliwości wyłącznie z powodu braku odpowiedniego testu egzaminacyjnego oraz z braku możliwości porozumienia w samochodzie. Przepisy regulujące zasady egzaminowania na kierowców nie przewidują żadnych odstępstw od obowiązującego powszechnie kanonu. Tym samym ograniczają prawo osób niesłyszących do samodzielnego prowadzenia życia i swobodnego przemieszczania się, na takich samych zasadach, z jakich korzystają osoby w pełni sprawne. Stawiają osoby niesłyszące w gorszej pozycji na rynku pracy, a w konsekwencji utrudniają możliwość stałego polepszania warunków życia ich samych oraz ich rodzin.
    Źródło:
    Archiwum Motoryzacji; 2018, 81, 3; 109-128
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cadmium and lead accumulation in two littoral plants of five lakes in Poanan, Poland
    Autorzy:
    Drzewiecka, K.
    Borowiak, K.
    Mleczek, M.
    Zawada, I.
    Golinski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/19160.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    We measured cadmium and lead concentrations in two littoral plants (Phragmites australis Cav. Trin ex. Steudel and Typha angustifolia L.) collected in June and September 2007 from five selected lakes in the Poznan city area, and also in sediment and water samples from the same places. We determined the metal concentrations in rhizomes and leaves, and in sediment and water from the littoral and near the bank zone. Only low levels of the heavy metals were found. Pb and Cd concentrations were higher in water collected from the bank zone than from the littoral zone. Pb and Cd accumulation was noted in sediments. Heavy metal levels were higher in rhizomes than in stems and leaves. The studied aquatic macrophytes may be bioaccumulators and bioindicators of Pb and Cd in freshwater in natural conditions, even when concentrations are low.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2010, 52, 2
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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
    Artykuł
    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
    Artykuł
    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
    Artykuł
    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
    Artykuł
    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
    Artykuł
    Tytuł:
    Precision spectroscopy of cold strontium atoms, towards optical atomic clock
    Autorzy:
    Bober, M.
    Zachorowski, J.
    Gawlik, W.
    Morzyński, P.
    Zawada, M.
    Lisak, D.
    Cygan, A.
    Bielska, K.
    Piwiński, M.
    Trawiński, R.
    Ciuryło, R.
    Ozimek, F.
    Radzewicz, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/201653.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    laser spectroscopy
    cold atoms
    optical atomic clock
    Opis:
    This report concerns the experiment of precision spectroscopy of cold strontium atoms in the Polish National Laboratory of Atomic, Molecular and Optical Physics in Toruń. The system is composed of a Zeeman slower and magneto-optical traps (at 461 nm and 689 nm), a frequency comb, and a narrow-band laser locked to an ultra-stable optical cavity. All parts of the experiment are prepared and the first measurements of the absolute frequency of the 1S0-3P1, 689 nm optical transition in 88Sr atoms are performed.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 4; 707-710
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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