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Phytochemical Profiling, Mineral Elements, and Biological Activities of Artemisia campestris L. Grown in Algeria
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Wartość odżywcza i prozdrowotna wybranych warzyw z rodzaju kapusta (Brassica L.)
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Skin microbiota metabolism of natural products from comfrey root (Symphytum officinale L.)
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Evaluation of the anti-tyrosinase activity of extracts and rare flavonoids from Scleranthus perennis L.
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3,4-Dehydro-L-proline Induces Programmed Cell Death in the Roots of Brachypodium distachyon
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Determination of anti-tyrosinase activity of acetone extracts from selected Potentilla L. species.
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Composition of the Essential Oil of Bidens tripartita L. Roots and Its Antibacterial and Antifungal Activities
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Chemical composition of edible aerial parts of meadow bistort (Persicaria bistorta (L.) Samp.)
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Optical activity and electro-optic effect of l-arginine doped KDP single crystals
PublikacjaWe have used the modified polarimetric methods to study optical activity (OA) in the potassium dihydrogenphosphate (KDP) crystals doped with 0.7, 1.4 and 3.8 wt% L-arginine (L-arg) amino acid. Crystals were grown by the temperature reduction method. Small changes of the absolute eigen waves ellipticity and OA values in doped crystals were noted. We have experimentally determined the signs of OA in the [1 00] and [01 0] directions...
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Energy quality improvement by ultra rapid L. V. fault current limiting andinterrupting.
PublikacjaPrzedstawiono możliwość ograniczania rozprzestrzeniania się zapadów napięcia w sieciach elektroenergetycznych przy zwarciach przez zastosowanie łączników hybrydowych do ultra szybkiego ograniczania i wyłączania prądów zwarciowych. Referat ma na celu przedstawienie dotychczasowych osiągnięć prac badawczych w dziedzinie łączników ultra szybkich, a także poznanie opinii elektroenergetyki i odbiorców na temat celowości wprowadzenia...
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Elementarz prawny. Normy prawne, przepisy prawne, akty normatywne.
PublikacjaWykład ma na celu przybliżenie czytelnikowi pojęć, których znajomość i rozumienie jest niezbędne dla prawidłopwego operowania wiedzą prawną.
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Cobalt(II) tri-tert-butoxysialanethiolates.Synthesis, properties, crystal and molecular structures of [Co{SSi(OtBu)3}2(L)] and[Co{SSi(OtBu)3}2(L)2] type complexes with monodentate nitrogen ligands.
PublikacjaThe title heteroleptic neutral cobalt(II) tri-tert-butoxysilanethiolate complexes with monodentate nitrogen bases (L) as additional ligands have been prepared by the reactions of [Co{μ-SSi(OtBu)3}{SSi(OtBu)3}(NH3)]2 (1) with respective bases. For pyridine both types have been prepared...
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Giant Reed (Arundo donax L.) Fiber Extraction and Characterization for Its Use in Polymer Composites
PublikacjaThis work describes an extraction method for giant reed fibers from stems and leaves based on chemical soaking and crushing through a rolling mill. Obtained fibers, together with the shredded plant (stems + leaves), are characterized in terms of chemical composition, thermal stability, morphology, and crystallinity. Mechanical properties of fibers have also been assessed (single fiber tensile tests). The results show that the proposed...
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Ribes nigrum L. Extract-Mediated Green Synthesis and Antibacterial Action Mechanisms of Silver Nanoparticles
PublikacjaSilver nanoparticles (Ag NPs) represent one of the most widely employed metal-based engineered nanomaterials with a broad range of applications in different areas of science. Plant extracts (PEs) serve as green reducing and coating agents and can be exploited for the generation of Ag NPs. In this study, the phytochemical composition of ethanolic extract of black currant (Ribes nigrum) leaves was determined. The main components...
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Betaine and L-carnitine ester bromides: Synthesis and comparative study of their thermal behaviour and surface activity
PublikacjaSix esters of both betaine and L-carnitine bromides, featuring alkyl groups ranging from C8 to C18 in length, have been synthesized. The thermal behaviour of these twelve bio-based salts has been analyzed and compared by thermal gravimetric analysis and differential scanning calorimetry. The L-carnitine alkyl ester bromides melted below 100 C and can hence be considered ionic liquids (ILs) with full rights. Conversely, the betaine...
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Composition and In Vitro Effects of Cultivars of Humulus lupulus L. Hops on Cholinesterase Activity and Microbial Growth
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Mitogen activated protein kinase 4 (MPK4) influences growth in Populus tremula L.×tremuloides
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Phytocomponents and evaluation of acetylcholinesterase inhibition by Ginkgo biloba L. leaves extract depending on vegetation period
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Modeling by finite element methods of impact of erosion on frequency of normal modes of L-0 blade
PublikacjaAfter some time of exploitation steam turbine rotors blades in energetic industry they are being eroded and also their frequency of normal modes is changed. Those changes can cause to unwanted shift of blades normal mode frequencies. It is necessary to find quick method of rating changes of frequency in connection of mass loss due erosion. The evaluation of this dependence was made by finite element modeling method using HyperWorks...
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Modeling of the L and M x-ray line structures for tungsten in high-temperature tokamak plasmas
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Novel and effective synthesis protocol of AgNPs functionalized using L-cysteine as a potential drug carrier
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Silicon nanoparticles enhanced the growth and reduced the cadmium accumulation in grains of wheat (Triticum aestivum L.)
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Ammonium Enhances Food Waste Fermentation to High-Value Optically Active l-Lactic acid
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Bioindicative potential of shell abnormalities occurring in the clam Macoma balthica (L.) from the Baltic Sea
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Dehydrogenaza sacharopiny (NADP+, tworząca L-glutaminian) z Candida albicans jako cel molekularny
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alfa-Aminotransferaza kwasu L-alfa-aminoadypinowego z Candida albicans jako cel molekularny
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Effect of Attractants and Micronutrient Biofortification on the Yield and Quality of Red Clover (Trifolium pratense L.) Seeds
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The Effect of Fertilization on the Structure of the Aboveground Biomass of Several Cultivars of Jerusalem Artichoke (Helianthus tuberosus L.)
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Effect of Presowing Magnetic Field Stimulation on the Seed Germination and Growth of Phaseolus vulgaris L. Plants
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Variability in macroelement content in the aboveground part of Helianthus tuberosus L. at different nitrogen fertilization levels
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Use of mycorrhizal fungi and phosphorus fertilization to improve the yield of onion (Allium cepa L.) plant
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In Vitro Screening for Anti-Acetylcholinesterase and Antioxidant Activities of Hottonia palustris L. Extracts and Their Unusual Flavonoids
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COMPOSITION OF BIOACTIVE SECONDARY METABOLITES AND MUTAGENICITY OF SAMBUCUS NIGRA L. FRUIT AT DIFFERENT STAGES OF RIPENESS
PublikacjaThe relationship between the content of bioactive compounds and mutagenic activity of elderberry fruit at different stages of ripeness was investigated. Signifi cant differences in the antioxidant profi les (TLC, HPLC with post-column derivatization) and antioxidant activity (ABTS, DPPH, and FC tests) were observed for studied elderberry extracts. The more ripen the fruit at the time of harvest were, the higher the content of...
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Inactivation of glucosamine-6-phosphate synthase by N3-oxoacyl derivatives of L-2,3-diaminopropanoic acid
PublikacjaN3-oksoacylowe pochodne kwasu l-2,3-diaminopropanowego zawierające ugrupowanie epoksydowe lub układ sprzężonych wiązań podwójnych inaktywują syntaze glukozamino-6-fosforanu (GlcN-6-P) z S. cerevisiae. Wyniki badań kinetycznych inaktywacji enzymu wskazują na dwuetapowy przebieg tej reakcji, przy czym tworzenie kompleksu enzym:ligand poprzedza nieodwracalną modyfikację enzymu. Badane związki różniły się powinowactwem do centrum aktywnego...
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Multi-instrument analysis of L-band amplitude scintillation observed over the Eastern Arabian Peninsula
PublikacjaThe study of scintillation-causing ionospheric irregularities is important to mitigate their effects on satellite communications. It is also important due to the spatial and temporal variability of these irregularities, given that their characteristics differ from one region to another. This study investigates the spatial and temporal characteristics of L1 amplitude scintillation-causing ionospheric irregularities over the Eastern...
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La construction d`une chambre d`etalonnage a l`Universite Technique de Gdańsk.
PublikacjaOmówiono konstrukcję stanowiska badawczego komory kalibracyjnej. Przedstawiono stosowane warunki brzegowe z systemem sterowania oraz kalibrację pływakowych czujników przemieszczeń. Podano sposób formowania masywu gruntowego.
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BULLETIN DE L ACADEMIE VETERINAIRE DE FRANCE
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BULLETIN DE L ACADEMIE NATIONALE DE MEDECINE
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Annales de l Institut Henri Poincare D
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REVUE D HISTOIRE DE L AMERIQUE FRANCAISE
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HOUILLE BLANCHE-REVUE INTERNATIONALE DE L EAU
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ANNALES SCIENTIFIQUES DE L ECOLE NORMALE SUPERIEURE
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A natural deep eutectic solvent - protonated L-proline-xylitol - based stationary phase for gas chromatography
PublikacjaThe paper presents a new kind of stationary phase for gas chromatography based on deep eutectic solvents (DES) in the form of a mixture of L-proline (protonated with hydrochloric acid) as a hydrogen bond acceptor (HBA) and xylitol as a hydrogen bond donor (HBD) in a molar ratio of HBA:HBD 5:1. DES immobilized on a silanized chromatographic support was tested by gas chromatography (GC) in order to determine its resolving power for...
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Cutting model parameters from frame sawing of natural and impregnated Scots pine (Pinus sylvestris L.)
PublikacjaIn this paper, absolute and density normalized cutting model parameters of natural and impregnated Scots pine (Pinus sylvestris L.) are shown and a method for the calculation of their corresponding material properties in the principal material directions of wood is presented. The parameters were determined from measurements of cutting power on a sash gang saw, and are in detail the fracture toughness and the shear yield strength...
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Synthesis and characterization of cycloaliphatic hydrophilic polyurethanes, modified with l-ascorbic acid, as materials for soft tissue regeneration
PublikacjaIn this paper we described synthesis and characteristic of obtained hydrophilic polyurethanes (PURs) modified with ascorbic acid (commonly known as vitamin C). Such materials may find an application in the biomedical field, for example in the regenerative medicine of soft tissues, according to ascorbic acid wide influence on tissue regeneration Flora (2009), Szymańska-Pasternak et al. (2011), Taikarimi and Ibrahim (2011), Myrvik...
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Bioactive compounds of potato (Solanum tuberosum L.) juice: from industry waste to food and medical applications
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Properties of Ginkgo biloba L.: Antioxidant Characterization, Antimicrobial Activities, and Genomic MicroRNA Based Marker Fingerprints
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An improved methodology for the synthesis of 1-C-allyl imino-d-xylitol and -l-arabinitol and their rapid functionalization
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Bioaccumulation, antioxidative response, and metallothionein expression in Lupinus luteus L. exposed to heavy metals and silver nanoparticles
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Nowe stanowiska maczużnika bojowego Cordyceps militaris (L.) Link w Gdańsku i jego okolicach
PublikacjaW pracy przedstawiono trzy nowe stanowiska maczużnika bojowego Cordyceps militaris znalezione na obszarze Gdańska oraz w jego okolicach.