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Wyniki wyszukiwania dla: ISO
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Helicobacter muridarum sp. nov., a Microaerophilic Helical Bacterium with a Novel Ultrastructure Isolated from the Intestinal Mucosa of Rodents
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Processing and characterization of reinforced polyethylene composites made with lignocellulosic fibres isolated from waste plant biomass such as hemp
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Do bacteria isolated from ICU patients ‘ESKAPE’ antibiotic treatment? In vitro susceptibility of the Enterobacteriaceae family to tigecycline
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Identification and characterization of tetracycline resistance in Lactococcus lactis isolated from Polish raw milk and fermented artisanal products
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Assessment of antibiotic resistance and biofilm formation of Enterococcus species isolated from different pig farm environments in Poland
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In Silico Safety Assessment of Bacillus Isolated from Polish Bee Pollen and Bee Bread as Novel Probiotic Candidates
PublikacjaBacillus species isolated from Polish bee pollen (BP) and bee bread (BB) were characterized for in silico probiotic and safety attributes. A probiogenomics approach was used, and in-depth genomic analysis was performed using a wide array of bioinformatics tools to investigate the presence of virulence and antibiotic resistance properties, mobile genetic elements, and secondary metabolites. Functional annotation and Carbohydrate-Active...
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Bacterial consortium an axenic cultures isolated from activated sewage sludge for biodegradation of imidazolium-based ionic liquid
PublikacjaExtensive research and increasing number of potential industrial applications made ionic liquids (ILs) important materials in design of new, cleaner technologies. Together with the technological applicability, the environmental fate of these chemicals is considered and significant efforts are being made in designing strategies to mitigate their potential negative impacts. Many ILs are proven to be poorly biodegradable and relatively...
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The Antimicrobial Potential of Bacteria Isolated from Honey Samples Produced in the Apiaries Located in Pomeranian Voivodeship in Northern Poland
PublikacjaThe principal objective of this study was to determine whether the honeys produced in apiaries located in Pomeranian Voivodeship (Northern Poland) contain bacteria producing metabolites with growth inhibition potential against important human and animal pathogens. The pathogens included Staphylococcus aurues, Staphyloccocus epidermidis, Escherichia coli, Listeria monocytogenes, Pseudomonas aeruginosa, and Candida albicans. From...
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Linezolid-resistant Enterococcus faecium strains isolated from one hospital in Poland –commensals or hospital-adapted pathogens?
PublikacjaOne of the most pressing problems of enterococci infections is occurring resistance to linezolid, which is an antibiotic used in the treatment of infections caused by vancomycin-resistant strains (VRE). The main objective of our research was to investigate the relationship of 19 linezolid-resistant E. faecium isolates from 18 patients hospitalized at Clinical Hospital in Gdansk (Poland). One of the LZDREF was isolated in 2003...
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The efficiency comparison of ramentaceone isolation from Drosera aliciae plants using normal and reversed phase preparative liquid chromatography technique
PublikacjaW pracy zaprezentowano optymalne warunki otrzymywania ramentaceonu z chloroformowego ekstraktu z rośliny D. muscipula. Opracowano i przedstawiono dwie procedury otrzymywania ramantaceonu z wykorzystaniem NP-PLC i RP-PLC. Dla produktu o określonej czystości, porównano maksymalny stopień przeładowania kolumny, efektywność procesu wyrażoną jako ilość substancji otrzymanej w jednostce czasu oraz produktywność kolumny, wyrażoną jako...
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Trypsin inhibitors from the garden four o’clock (Mirabilis jalapa) and spinach (Spinacia oleracea) seeds: Isolation, characterization and chemical synthesis
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Katedra Zarządzania Jakością i Towaroznawstwa
Zespoły BadawczeZakład Towaroznawstwa * analiza etykiet i projekty nowych opakowań wybranych produktów spożywczych, * badania nad sensorami smaku, * analiza jakości produktów spożywczych, * wybrane zagadnienia z ekologii i ochrony środowiska naturalnego w aspekcie integracji z Unią Europejską. Zakład Zarządzania Jakością * zarządzanie jakością, TQM; * systemy zarządzania jakością, środowiskiem, BHP oraz bezpieczeństwem informacji; * systemy...
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BET adsorption-desorption isotherm of nano-CeO2 impregnated with Cu
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Cu oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
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BET adsorption-desorption isotherm of nano-CeO2 impregnated with Co
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Co oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
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BET adsorption-desorption isotherm of nano-CeO2 impregnated with Mn
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Mn oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
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BET adsorption-desorption isotherm of nano-CeO2 impregnated with Ni
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Ni oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
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BET adsorption-desorption isotherm of nano-CeO2 impregnated with Fe
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The catalyts powder composed of nanoCeO2 impreganted with Fe oxide nanoparticles with the usage of BCD (Beta-cyclodextrins) and without addition.
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Isolation and characterization of stable nanofiber from turmeric spent using chemical treatment by acid hydrolysis and its potential as antimicrobial and antioxidant activities
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Comparative analysis of seismic response reduction in multi-storey buildings equipped with base isolation and passive/active friction-tuned mass dampers
PublikacjaThis study presents an innovative approach to mitigating seismic responses in multi-storey buildings equipped with a base-isolation (BI) system and passive friction-tuned mass dampers (PFTMDs). The key innovation lies in the combined use of a BI system and a PFTMD system, as well as the activation of this mechanical system by controllers. Additionally, the research design optimizes the parameters of these devices specifically for...
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Design and Optimization of Metamaterial-Based Dual-Band 28/38 GHz 5G MIMO Antenna with Modified Ground for Isolation and Bandwidth Improvement
PublikacjaThis letter presents a high-isolation dual-band multiple-input multiple-output (MIMO) antenna based on the ground plane modification and optimized metamaterials (MMs) for 5G millimeter-wave applications. The antenna is a monopole providing a dual-band response at 5G 28/38 bands with a small physical size (4.8 × 2.9 × 0.762 mm3, excluding the feeding line). The MIMO consists of two symmetric radiating elements arranged adjacently...
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In Vitro Antagonistic Effect of Gut Bacteriota Isolated from Indigenous Honey Bees and Essential Oils against Paenibacillus Larvae
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Phytotoxic Activity of Metabolites Isolated from Rutstroemia sp.n., the Causal Agent of Bleach Blonde Syndrome on Cheatgrass (Bromus tectorum)
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Expression and Cellular Distribution of INHA and INHB before and afterIn VitroCultivation of Porcine Oocytes Isolated from Follicles of Different Size
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Activity of antimicrobial peptides and conventional antibiotics against superantigen positive Staphylococcus aureus isolated from patients with atopic dermatitis
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In Vitro Efficacy of Bacterial Cellulose Dressings Chemisorbed with Antiseptics against Biofilm Formed by Pathogens Isolated from Chronic Wounds
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Analysis of Fluorescence Lifetime of Protochlorophyllide and Chlorophyllide in Isolated Etioplast Membranes Measured from Multifrequency Cross-correlation Phase Fluorometry
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Occurrence of fungi and cytotoxicity of the species: Aspergillus ochraceus, Aspergillus niger and Aspergillus flavus isolated from the air of hospital wards
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Genome Mining Revealed a High Biosynthetic Potential for Antifungal Streptomyces sp. S-2 Isolated from Black Soot
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Cloning, expression, and biochemical characterization of a coldactive GDSL-esterase of a Pseudomonas sp. S9 isolated from Spitsbergen island soil
PublikacjaAn estS9 gene, encoding an esterase of the psychrotolerant bacterium Pseudomonas sp. S9 was cloned and sequenced. The deduced sequence revealed a protein of 636 amino acid residues with a molecular mass of 69 kDa.Further amino acid sequence analysis revealed that the EstS9 enzyme contained a G-D-S-L motif centered at a catalytic serine, an N-terminal catalytic domain and a C-terminal autotransporter domain. Two recombinant E. coli...
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Contribution of phenolic acids isolated from green and roasted boiled-type coffee brews to total coffee antioxidant capacity
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Biofilm Production and Presence of ica and bap Genes in Staphylococcus aureus Strains Isolated from Cows with Mastitis in the Eastern Poland
PublikacjaThe aim of the study was phenotypic and genotypic analysis of 132 S. aureus strains isolated from mastitis in eastern Poland in respect to their biofilm formation ability. The analysis of the size polymorphism of fragment X in the gene encoding protein A (spa) revealed high genetic differentiation of the analyzed group of isolates. The ability of biofilm formation by the isolates was tested using two phenotypic methods. The Congo...
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Antibiotic resistance, virulence, and phylogenetic analysis of Escherichia coli strains isolated from free-living birds in human habitats
PublikacjaWild birds can be colonized by bacteria, which are often resistant to antibiotics and have various virulence profiles. The aim of this study was to analyze antibiotic resistance mechanisms and virulence profiles in relation to the phylogenetic group of E. coli strains that were isolated from the GI tract of wildfowl. Out of 241 faecal samples, presence of E. coli resistant to a cephalosporin (ESBL/AmpC) was estimated for 33 isolates...
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Lagrangian model of an isolated dc-dc converter with a 3-phase medium frequency transformer accounting magnetic cross saturation
PublikacjaThis article presents a nonlinear equivalent circuit model of an isolated dc-dc converter with a 3-phase medium frequency transformer. The model takes into account the magnetic cross saturation of the 3-phase core-type magnetic circuit. The model is suitable in detailed electromagnetic transient simulations of power systems involving isolated dc-dc converters. The model is developed using the Lagrange energy method. It involves...
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Nitrogen (N2) adsorption/desorption isotherms of PC-X (porous carbon materials obtained at various temperatures)
Dane BadawczeThese data contain nitrogen (N2) adsorption/desorption isotherms of PC-700 (porous carbon obtained at 700 °C), PC-800 (porous carbon obtained at 800°C), PC-900 (porous carbon materials obtained at 900°C). Data showed typical type-I isotherms, indicating the presence of micropores in their structures. PC-900, compared with PC-700 and PC-800, showed a...
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BET adsorption-desorption isotherm of CeO2 prepared using Pechini method
Dane BadawczeThe dataset includes the isotherms of adortion and desorption of N2 at LN2 temperature. The sorption isotherms were obtained using Quatachrome NovaTouch LX1 equippment. The ceramic measured powder was composed of nanometric pure CeO2 prepared using modified Pechini method - citric acid and propylene glycol (2:1)
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Isolation and bioinformatic analysis of seven genes encoding potato apyrase. Bacterial overexpresssion, refolding and initial kinetic studies on some recombinant potato apyrases
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Isolation and characterization of Acid Soluble Collagen from the Skin of African Catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua)
PublikacjaAcid-soluble collagen (ASC) from the fish skin of African catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua) was extracted and characterized. The ASC extraction yield was 75%, 73% and 68%, respectively. The denaturation and melting temperatures of African catfish ASC (29.3°C and 100.0°C) were significantly higher than ASC of Salmon and Baltic cod (20.6°C and 90.5°C; 15.2°C and 86.7°C, respectively), assessed...
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Isolation of xanthone and benzophenone derivatives from Cyclopia genistoides (L.) Vent. (honeybush) and their pro-apoptotic activity on synoviocytes from patients with rheumatoid arthritis
PublikacjaA fast and efficient method for the isolation of the C-glucosidated xanthones mangiferin and isomangiferin from the South-African plant Cyclopia genistoides was developed for the first time. Two benzophenone derivatives: 3-C-β-glucosides of maclurin and iriflophenone, were isolated from C. genistoides extracts using semi-preparative. The structures of the compounds were determined by 1D and 2D NMR experiments and/or LC-DAD-ESI–MS.
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Molecular typing of Staphylococcus aureus isolated from cows with mastitis in the east of Poland on the basis of polymorphism of genes coding protein A and coagulase
PublikacjaPolimorfizm genów kodujących białko A i koagulazę wykorzystano do badania zmienności genetycznej bakterii Staphylococcus aureus wyizolowanych z gruczołów mlekowych krów u których stwierdzono stan zapalny. W badanej grupie 82 szczepów wyróżniono 24 genotypy.
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Antimicrobial potential of commercial silver nanoparticles and the characterization of their physical properties toward probiotic bacteria isolated from fermented milk products
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Effects of osmotic and high pressure stress on expression of virulence factors among Enterococcus spp. isolated from food of animal origin
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Toxic potencies of metabolite(s) of non-cylindrospermopsin producing Cylindrospermopsis raciborskii isolated from temperate zone in human white cells
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Pro-Health and Anti-Cancer Activity of Fungal Fractions Isolated from Milk-Supplemented Cultures of Lentinus (Pleurotus) Sajor-caju
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Bacterial Pathogens in the Food Industry: Antibiotic Resistance and Virulence Factors of Salmonella enterica Strains Isolated from Food Chain Links
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Bacteriophages vB_Sen-TO17 and vB_Sen-E22, Newly Isolated Viruses from Chicken Feces, Specific for Several Salmonella enterica Strains
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Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters
PublikacjaThe magnetizing inductance of the medium frequency transformer (MFT) impacts the performance of the isolated dc-dc power converters. The ferrite material is considered for high power transformers but it requires an assembly of type “I” cores resulting in a multi air gap structure of the magnetic core. The authors claim that the multiple air gaps are randomly distributed and that the average air gap length is unpredictable at the...
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ISOESRE Innowacyjne stało-tlenkowe elektrolizery dla magazynowania energii odnawialnej
ProjektyProjekt realizowany w Katedra Inżynierii Biomedycznej zgodnie z porozumieniem PL-TW2/6/2015 z dnia 2015-04-27
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Optimal conditions of ramentaceone and plumbagin separation and isolation from carnivorous plants extracts using reverse phase-high performance liquid chromatography (RP-HPLC)
PublikacjaPreparatywna chromatografia cieczowa jest szczególnie przydatną techniką do rozdzielania i izolacji użytecznych ilości substancji z różnych skomplikowanych mieszanin. Praca prezentuje optymalne warunki rozdzielania i izolacji ramentaceonu i plumbaginy uwzględniając maksymalną selektywność rozdzielania naftochinonów od substancji balastowych z chloroformowych ekstraktów roślinnych D. aliciae i D. capensis z zastosowaniem techniki...
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Optimal conditions of ramentaceone and plumbagin separation and isolation from carnivorous plants extracts using normal phase-high performance liquid chromatography (NP-HPLC)
PublikacjaPraca prezentuje optymalne warunki rozdzielania i izolacji plumbaginy i ramentacenu z matrycy analitycznej, którą stanowią chloroformowe ekstrakty z roślin D.aliciae i D.capensis z wykorzystaiem techniki NP-HPLC. Skład eluentu dla żelu krzemionkowego jako fazy stacjonarnej był optymalizowany. Zostały przedstawione optymalne warunki powiększania skali procesu izolacji badanych metabolitów z ekstrakrów roślinnych. Określono również...
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Development of thin film SPME sorbents based on deep eutectic solvents and their application for isolation and preconcentration of endocrine-disrupting compounds leaching from diapers to urine
PublikacjaIn this study, the thin film solid phase microextraction (TF-SPME) based on a novel sorbent composed of deep eutectic solvent (DES) is proposed. Among several synthesized sorbents the most efficient was DES containing trihexyl(tetradecyl)phosphonium chloride and docosanol mixed with polydimethylsiloxane (PDMS) in a molar ratio 1:3:0.25 to achieve a more stable structure. The proposed sorbent was applied on a fiberglass mesh and...