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    Wyświetlanie 1-12 z 12
    Tytuł:
    Determination of biodegradation rate of carrier for microorganism immobilization fabricated based on starch
    Autorzy:
    Tomaszewska-Ciosk, E.
    Golachowski, A.
    Zdybel, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/778977.pdf
    Data publikacji:
    2013
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    biodegradation
    immobilization
    yeast
    extrusion
    potato starch
    Opis:
    The study was aimed on the determination of biodegradation rate of extruded starch carriers, with or without immobilized microorganisms in diversified storage conditions. The research was conducted on potato starch, in which Saccharomyces cerevisiae yeast cells were immobilized. Preparations with and without yeasts were than placed for 84 days in the environments of: light soil, heavy soil, compost, water and activated sludge. After 0, 7, 14, 21, 49 and 84 days of storage the preparations were perfused with water and analyzed. In the recovered samples the following tests were carried out: the force causing fracture, the elongation caused by the mentioned force, the mass and the diameter of the carrier. Due to the degradation the size and the mechanical properties of the samples were decreased. The rate of the degradation was strongly dependent on the environment of the storage. The fastest degradation of the carriers were observed for compost and heavy soil, while the slowest biodegradation was observed for the samples placed in the water environment. The rate of biodegradation was also influenced by the Saccharomyces cerevisiae yeasts. The rate of biodegradation was faster in the samples containing yeast cells, than in the extrudates without the microorganisms.
    Źródło:
    Polish Journal of Chemical Technology; 2013, 15, 3; 110-114
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected properties of biodegradable material produced from thermoplastic starch with by-products of food industry addition
    Autorzy:
    Zdybel, E.
    Tomaszewska-Ciosk, E.
    Gertchen, E.
    Drożdż, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/778120.pdf
    Data publikacji:
    2017
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    thermoplastic starch
    biodegradable material
    potato starch
    fruit pomace
    Opis:
    In this work extrusion process were used to create thermoplastic starch and to mix obtained starch with linen, quince and apple pomace at the same time. Obtained starch beads were formed in shapes. In experimental material was determined thermal conductivity, water absorption and the solubility in water. It is possible to get the biodegradable material produced from thermoplastic starch with an addition of fruit pomace. Adding pomace and glycerine to the biodegradable material made from starch change of susceptibility on water action. In the case of materials containing pomace, glycerine addition decreases the susceptibility on water action compared to the material manufactured with pomace addition but without glycerine. In the material containing pomace, glycerine addition caused the increase of the thermal insulation time compared to the material with pomace but no glycerine in it.
    Źródło:
    Polish Journal of Chemical Technology; 2017, 19, 2; 51-55
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The heat insulating properties of potato starch extruded with addition of chosen by- products of food industry
    Autorzy:
    Zdybel, E.
    Tomaszewska-Ciosk, E.
    Główczyńska, G.
    Drożdż, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/777975.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    potato starch
    extruded potato starch
    fruit pomace
    potato pulp
    heat insulation
    Opis:
    The study was aimed at determination of time of heat transition through the layer of quince, apple, linen, rose pomace and potato pulp, as well as layer of potato starch and potato starch extruded with addition of above mentioned by-products. Additionally the attempt of creation a heat insulating barrier from researched raw material was made. The heat conductivity of researched materials was dependent on the type of material and its humidity. Extruded potato starch is characterized by smaller heat conductivity than potato starch extruded with addition of pomace. The obtained rigid extruded starch moulders were characterized by higher heat insulating properties than the loose beads. It is possible to use starch and by-products of food industry for production of heat insulating materials
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 4; 28-32
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of apple and rosehip pomaces on colour, total phenolics and antioxidant activity of corn extruded snacks
    Autorzy:
    Drożdż, W.
    Tomaszewska-Ciosk, E.
    Zdybel, E.
    Boruczkowska, H.
    Boruczkowski, T.
    Regiec, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/778687.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    apple pomace
    rosehip pomace
    extrusion
    polyphenols
    antioxidant activity
    Opis:
    Extrusion cooking technology was applied for obtaining corn extrudates fortifi ed with various level (10–20%) of rosehip pomace powder or apple pomace powder. The total polyphenols content, antioxidant activities (ABTS), organoleptic properties and colour of the extrudates were determined. Pomace addition increased the level of total polyphenols content and antioxidant activity in obtained corn – pomace extrudates, especially in samples enriched with rosehip pomace. Extrudates with 20% of rosehip pomace addition characterized the highest polyphenols content and antioxidant activity. Only the slight decrease of some quality features – shape and size, taste and fl avour, structure and colour of obtained extrudates was observed. Sample with fruit pomace addition showed increasing consistency evaluation. The extruded products by utilising fruit by-products got good evaluation of panelists and can be an excellent source of bioactive compounds in the daily human diet.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 3; 7-11
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    EPR studies of Cladosporium cladosporioides complexes with amphotericin B
    Autorzy:
    Zdybel, M.
    Pilawa, B.
    Buszman, E.
    Witoszyńska, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/147790.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    amphotericin B
    Cladosporium cladosporioides
    electron paramagnetic resonance (EPR) spectroscopy
    free radicals
    melanin
    Opis:
    Free radicals in Cladosporium cladosporioides cultured with amphotericin B were spectroscopically studied. The effect of drug concentrations on free radicals in the fungal melanin biopolymer was examined. It was pointed out that the concentrations of free radicals in the complexes of Cladosporium cladosporioides mycelium with amphotericin B depend on the drug concentrations. Eumelanin dominates in the fungal studied samples. The slow spin-lattice relaxation processes exist in the tested samples. Free radicals take a part in the formation of Cladosporium cladosporioides mycelium complexes with amphotericin B.
    Źródło:
    Nukleonika; 2013, 58, 3; 401-405
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Paramagnetic Centers in DOPA-Melanin-Dihydrostreptomycin Complexes
    Autorzy:
    Buszman, E.
    Pilawa, B.
    Zdybel, M.
    Wrześniok, D.
    Grzegorczyk, A.
    Wilczok, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2043624.pdf
    Data publikacji:
    2005-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.66.Hq
    76.30.Rn
    Opis:
    DOPA-melanin-dihydrostreptomycin complexes with drug concentrations 1×10$\text{}^{-4}$-1×10$\text{}^{-2}$ M were examined by the use of electron paramagnetic resonance spectroscopy at X-band (9.3 GHz). Dihydrostreptomycin was chosen for studies, because this aminoglycoside antibiotic causes strong toxic effects in organism. It was stated that dihydrostreptomycin generates o-semiquinone free radicals with g=2.0038 in melanin. Free radicals formation increases with increase in the antibiotic concentration. Changes of EPR lines with microwave powers pointed out that slow spin-lattice relaxation processes exist in DOPA-melanin and in its complexes with dihydrostreptomycin. The measured EPR lines were homogeneously broadened.
    Źródło:
    Acta Physica Polonica A; 2005, 108, 2; 353-356
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of microwave power on EPR spectra of DOPA-melanin-netilmicin complexes with different drug concentrations : a study at temperatures in the range of 125-275 K
    Autorzy:
    Zdybel, M.
    Pilawa, B.
    Buszman, E.
    Wrześniok, D.
    Krzyminiewski, R.
    Kruczyński, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/146482.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    DOPA-melanin
    electron paramagnetic resonance (EPR) spectroscopy
    free radicals
    netilmicin
    Opis:
    Electron paramagnetic resonance (EPR) spectra of the model eumelanin – DOPA-melanin complexes with netilmicin measured with a microwave power in the range 0.3–200 mW were examined. The influence of microwave power on amplitudes (A) and linewidths (ΔBpp) of the spectra was determined. The EPR spectra were recorded by a BRUKER spectrometer at temperatures 125, 175, 225 and 275 K. Continuous microwave saturation of EPR lines was used to compare the acceleration of spin-lattice relaxation processes in melanin samples. Changes of the parameters of the EPR spectra of DOPA-melanin-netilmicin complexes, with the microwave power for the samples differing in netilmicin concentrations, were observed. The effect of temperature on the changes of the EPR spectra of the analyzed melanin complexes with the microwave power was determined. The spin-lattice relaxation is faster at higher temperatures for all the tested melanin complexes.
    Źródło:
    Nukleonika; 2013, 58, 3; 407-411
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of pH on Paramagnetic Centers in Cladosporium cladosporioides Melanin
    Autorzy:
    Pilawa, B.
    Buszman, E.
    Gondzik, A.
    Wilczyński, S.
    Zdybel, M.
    Witoszyńska, T.
    Wilczok, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2043413.pdf
    Data publikacji:
    2005-07
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.66.Hq
    76.30.Rn
    Opis:
    Paramagnetic centers in melanin existing in pigmented soil fungi Cladosporium cladosporioides cultured at acidic (4, 5, 6), neutral (7), and alkaline (8) pH were studied by EPR method. o-semiquinone free radicals (g: 2.0032-2.0040) concentration in melanin biopolymer increased for pH from 4 to 6, decreased at pH 7, and reached the maximum value at pH 8. It may be expected that melanin free radicals reactions with small molecules (metal ions, drugs) are the most effective at pH between 6 and 8. Slow spin-lattice relaxation processes exist in the all studied melanin samples.
    Źródło:
    Acta Physica Polonica A; 2005, 108, 1; 147-150
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The subsequent effect of silicon on physiological and biochemical parameters of Polygonatum multiflorum (L.) All. ‘Variegatum’ cut shoots
    Następczy wpływ krzemu na parametry fizjologiczne i biochemiczne ciętych pędów Polygonatum multiflorum (L.) All. ‘Variegatum’
    Autorzy:
    Rubinowska, K.
    Pogroszewska, E.
    Laskowska, H.
    Szot, P.
    Zdybel, A.
    Stasiak, D.
    Kozak, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/11542749.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The aim of the undertaken research was to establish the subsequent effect of silicon, which is the component in Actisil Hydro Plus preparation, and the place of cultivation on the postharvest quality of Solomon’s Seal (Polygonatum multiflorum ‘Variegatum’). Plants were cultivated directly in the field or in an unheated foil tunnel. The preparation was used as a sixfold spray in three concentrations: 0.2, 0.3 and 0.4% during the plants vegetation, at weekly intervals. The control were plants sprayed with distilled water. Leafy shoots were cut at the moment of becoming morphologically mature and placed in distilled water in a controlled thermal-lightning conditions: temperature was 21/18ºC (day/night) and photoperiod of 12 h light/12 h darkness. The condition of cytoplasmic membrane was evaluated with the use of analysis of electrolyte leakage and determining the level of peroxidation of membrane lipids. The analyses of assimilation pigments (chlorophyll a + b) and proline content, the relative water content as well as postharvest longevity were established. Leafy shoots of P. multiflorum cultivated in an unheated tunnel, regardless of the spray with Actisil Hydro Plus, characterized with longer lasting decorative value. The lowest proline content in tissues after 30 days were observed in leaves obtained from plants cultivated in foil tunnel and sprayed with Actisil Hydro Plus in concentration of 0.2 and 0.3%. During the analysis conducted 30 days after starting the experiment, the most effective stop of membrane lipids peroxidation was observed in shoots obtained from plants cultivated in foil tunnel and sprayed with Actisil in concentration of 0.2%. Cultivation of P. multiflorum in foil tunnel and spray with preparation in concentration of 0.3% inhibited assimilation pigments degradation the most effectively.
    Celem podjętych badań było określenie następczego wpływu krzemu zawartego w preparacie Actisil Hydro Plus oraz miejsca uprawy na jakość pozbiorczą kokoryczki wielkokwiatowej (Polygonatum multiflorum ‘Variegatum’). Rośliny uprawiano bezpośrednio w polu oraz w nieogrzewanym tunelu foliowym. Preparat zastosowano w formie 6-krotnego oprysku w trzech stężeniach: 0,2; 0,3 i 0,4% w trakcie wegetacji roślin, w odstępach tygodniowych. Kontrolę stanowiły rośliny opryskane wodą destylowaną. Ulistnione pędy ścinano w momencie osiągnięcia dojrzałości morfologicznej, wstawiano do wody destylowanej i umieszczono w kontrolowanych warunkach termiczno-świetlnych: temperatura 21/18ºC (dzień/noc), przy fotoperiodzie 12 h światła/12 h ciemności. Oceniano stan błon cytoplazmatycznych poprzez analizę wypływu elektrolitów i oznaczenie poziomu peroksydacji lipidów błonowych. Przeprowadzono analizy zawartości barwników asymilacyjnych (chlorofilu a + b), proliny, a także określono względną zawartość wody i trwałość pozbiorczą. Dłuższym okresem dekoracyjności charakteryzowały się ulistnione pędy P. multiflorum uprawiane w nieogrzewanym tunelu foliowym, niezależnie od zastosowanego oprysku preparatem Actisil Hydro Plus. Najmniejszą ilością proliny po 30 dniach trwania eksperymentu charakteryzowały się liście pozyskane z roślin uprawianych w tunelu foliowym i opryskiwane roztworem Actisilu Hydro Plus w stężeniu 0,2 i 0,3%. Podczas analizy wykonanej po 30 dniach trwania eksperymentu stwierdzono najefektywniejsze zatrzymanie peroksydacji lipidów błonowych w wariancie, w którym pędy pozyskano z roślin uprawianych w tunelu foliowym i opryskano Actisilem w stężeniu 0,2%. Natomiast uprawa P. multiflorum w tunelu foliowym i oprysk preparatem w stężeniu 0,3%, najkorzystniej zahamowało degradację barwników asymilacyjnych.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2014, 13, 1; 167-178
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occurrence of Trichinella spp. in rats on pig farms
    Autorzy:
    Bliska-Zając, E.
    Różycki, M.
    Antolak, E.
    Bełcik, A.
    Grądziel-Krukowska, K.
    Karamon, J.
    Sroka, J.
    Zdybel, J.
    Cencek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2081958.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    Trichinella spp.
    rats
    pig farm
    Opis:
    Introduction. The highest risk of trichinellosis for human is considered in eating meat products containing live larvae, mostly from wild boars or pigs. Spreading of Trichinella spp. may occur in various ways, one of which is transmission by vectors. The rat is considered to be the most common vector for Trichinella parasite. The population of rats living on pig farms can play an important role in maintaining or spreading the parasite to other animals. Objective. The aim of presented survey was to investigate the occurrence of Trichinella spp. in rats on farms with pigs infected with this parasite. Materials and method. From pig farms selected for study, the muscles of collected rats were investigated by magnetic stirrer digestion method to assess occurrence of Trichinella in the rat population. Isolated Trichinella parasites were identified under stereomicroscope and multiplex PCR were performed for species identification. Results. Rats infected with Trichinella spp. were discovered on three of five investigated pig farms. The mean extent of invasion in rats from the studied farms was 23.33%. The calculated medium intensity of invasion was 4.09 lpg (larvae per gram) (SD 5.41). All larvae of Trichinella discovered from rats were identified as T.spiralis. Conclusions. The results obtained indicate that in farms with a high prevalence of Trichinella invasion in pigs there are very likely to be found rats infected by this nematode. This suggests possibility to maintain the invasion in herd and spread into neighborhood farms.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2018, 25, 4; 698-700
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of silicon on morphological traits and mechanical properties of Polygonatum multiflorum (L.) All. ‘Variegatum’ cut shoots
    Autorzy:
    Pogroszewska, E.
    Szot, P.
    Rubinowska, K.
    Konopińska-Memej, A.
    Świstowska, A.
    Zdybel, A.
    Parzymies, M.
    Durlak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/11859059.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    ornamental plant
    perennial plant
    Polygonatum multiflorum
    Variegatum cultivar
    plant cultivar
    morphological trait
    mechanical property
    post-harvest longevity
    vase life
    stem strength
    silicon
    Actisil Hydro Plus preparation
    plant research
    Opis:
    Garden perennials are a source of floristry material produced in field or under covers. A perennial producing long, leafy shoots, which in flower arrangements might successfully substitute fern or palm leaves, is Polygonatum multiflorum. The variety characterizing with decorative white margined leaves is ‘Variegatum’. To improve their quality, the growth stimulator Actisil Hydro Plus, which contains 0.6% of active silicon in a form of orthosilicic acid was applied. The aim of the conducted experiment was to estimate the influence of silicon and a place of cultivation (tunnel and open field) on post-harvest quality determined with morphological features, vase life longevity and mechanical properties of Polygonatum multiflorum (L.) All. ‘Variegatum’ stems. The plants were sprayed with water solutions of Actisil in concentrations: 0.2%, 0.3%, and 0.4%, six times during the growing season in weekly intervals, starting from the first decade of May, always in the morning. It was stated that cultivation of Polygonatum in the unheated foil tunnel increases quality of shoots for cut greenery, determined with morphological features and post-harvest longevity. Cultivation of Polygonatum in a foil tunnel and spraying plants with Actisil in concentrations of 0.3 or 0.4% is advantageous due to possibility to increase a number of shoots from 20% to over 31%, their length from 9% to 11% and fresh weight from 52% to 71%, in comparison to control plants. It is advised to treat plants cultivated in a tunnel, with Actisil in concentration of 0.4% as it improved shoots quality evaluated with their diameter and lower leaves blade area. Spraying plants with Actisil in concentrations of 0.2–0.4% in the tunnel and 0.2% in field prolongs post-harvest shoots longevity by 3–4 days. Plants cultivated in the tunnel characterize with higher strength of shoots determined with higher maximum force causing permanent damage and lower stem deflection than plants cultivated in field. Plants grown in a tunnel and sprayed with Actisil in concentrations of 0.4% characterized with the strongest shoots after 14 days of storage, however a similar effect was observed with the concentration of 0.3% and in case of plants cultivated in field and sprayed with 0.4% of Actisil.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 4; 157-166
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of the effectiveness of various parasitological methods in detecting nematode eggs in different types of soil
    Autorzy:
    Zdybel, J.M.
    Sroka, J.
    Karamon, J.
    Bilska-Zając, E.
    Wójcik-Fatla, A.
    Kłapeć, T.
    Skowron, P.
    Siebielec, G.
    Jadczyszyn, T.
    Cencek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/28763034.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2023, 30, 3; 425-431
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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