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Search results for: GEOLOGY
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Computational analysis of power-law fluids for convective heat transfer in permeable enclosures using Darcy effects
PublicationNatural convection is a complex environmental phenomenon that typically occurs in engineering settings in porous structures. Shear thinning or shear thickening fuids are characteristics of power-law fuids, which are non-Newtonian in nature and fnd wide-ranging uses in various industrial processes. Non-Newtonian fuid fow in porous media is a difcult problem with important consequences for energy systems and heat transfer. In this...
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Telomere uncapping by common oxidative guanine lesions: Insights from atomistic models
PublicationOxidative damage to DNA is widely known to contribute to aging and disease. This relationship has been extensively studied for telomeres – structures that cap chromosome ends – due to their role in cell proliferation and senescence, and exceptional susceptibility to oxidation. Indeed, the repetitive telomeric DNA sequence contains the 5′-GGG-3′ motif that has the lowest ionization potential of all trinucleotides. Accordingly, experiments...
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RAPESEED PELLET - A BYPRODUCT OF BIODIESEL PRODUCTION - AS AN EXCELLENT RENEWABLE ENERGY SOURCE
PublicationVegetable oils are renewable feedstock currently being used for production of biofuels from sustainable biomass resources. The existing technology for producing diesel fuel from plant oils, such as rapeseed, soybean, canola and palm oil are largely centered on transesterification of oils with methanol to produce fatty acid methyl esters (FAME) or biodiesel. Rapeseed pellet - crushed seed residue from oil extraction is a byproduct...
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Determination of Toxicological Parameters of Selected Bioactive Organic Chemicals Using the Ostracodtoxkit FTM
PublicationAssessment of the impact of pharmaceutical residues on living organisms is very complex subject. Apart from taking into account the toxicity of individual compounds also their presence in mixtures should be taken into account. In this work, attempts were made to assess the ecotoxicity of biologically active substances (with 50 % effective concentration (EC50) values growing from fluoxetine (EC50 = 4.431 nM) >> gemfibrozil ≈ 17α-ethinylestradiol...
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Coupling of Blood Pressure and Subarachnoid Space Oscillations at Cardiac Frequency Evoked by Handgrip and Cold Tests: A Bispectral Analysis
PublicationThe aim of the study was to assess blood pressure–subarachnoid space (BP–SAS) width coupling properties using time–frequency bispectral analysis based on wavelet transforms during handgrip and cold tests. The experiments were performed on a group of 16 healthy subjects (F/M; 7/9) of the mean age 27.2 ± 6.8 years and body mass index of 23.8 ± 4.1 kg/m². The sequence of challenges was first handgrip and then cold test. The handgrip...
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Lipid peroxidation in the onset of neuroborreliosis
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Liver antioxidant defense after FAAH inhibitor - URB-597 administration to DOCA-salt-induced hypertension in rats
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The cross-talk between oxidative stress and endocannabinoid system in keratinocytes after UV irradiation
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Tick-borne encephalitis - lipid peroxidation and its consequences
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Antioxidants and HNE in redox homeostasis
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Peroxidative metabolism of fatty acids in the course of tick-borne encephalitis
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The cross talk between redox and endocannabinoids systems in the kidney of hypertensive rats after inhibitor FAAH - URB597 administration
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Antioxidants and HNE in the regulation of redox homeostasis
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Lipid peroxidation as a consequence of diabetes: effects of different treatment
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Lipid peroxidation in the pathogenesis of neuroborreliosis
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The immunoregulatory effects of edeine analogues in mice
PublicationZbadano właściwości immunoregulatorowe kilku, otrzymanych na drodze syntezy, uproszczonych analogów peptydowego antybiotyku edeiny w testach in vivo i in vitro z wykorzystaniem modelu mysiego. Jako związek referencyjny zastosowano edeinę B. Otrzymane peptydy wykazywały efekt stymulacyny na proliferację splenocytów z użyciem konkawaliny, podczas gdy zastosowanie mitogenu powodowało hamowanie proliferacji splenocytów. Peptydy hamowały...
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Investigating the disease‐modifying properties of sclerotiorin in Alzheimer's therapy using acetylcholinesterase inhibition
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Current state of a dual behaviour of antimicrobial peptides-Therapeutic agents and promising delivery vectors
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Preliminary antifungal activity assay of selected chlorine-containing derivatives of xanthone and phenoxyethyl amines
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The transition from HIF-1 to HIF-2 during prolonged hypoxia results from reactivation of PHDs and HIF1A mRNA instability
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S6K1 controls autophagosome maturation in autophagy induced by sulforaphane or serum deprivation
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Association between plasma proteome profiles analysed by mass spectrometry, a lymphocyte-based DNA-break repair assay and radiotherapy-induced acute mucosal reaction in head and neck cancer patients
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Relationships between acute reactions to radiotherapy in head and neck cancer patients and parameters of radiation-induced DNA damage and repair in their lymphocytes
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Seeking genetic signature of radiosensitivity - a novel method for data analysis in case of small sample sizes
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GLEMOK – novel method for catchment moisture determination using high-resolution soil map
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Nucleotide excision repair of oxidised genomic DNA is not a source of urinary 8-oxo-7,8-dihydro-2′-deoxyguanosine
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Supplementation with antioxidant vitamins prevents oxidative modification of DNA in lymphocytes of HIV-infected patients
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Further evidence that oxidative stress may be a risk factor responsible for the development of atherosclerosis
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Aberrant repair of etheno–DNA adducts in leukocytes and colon tissue of colon cancer patients
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Vitamin C enhances substantially formation of 5-hydroxymethyluracil in cellular DNA
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Oxidative DNA damage: assessment of the role in carcinogenesis, atherosclerosis, and acquired immunodeficiency syndrome1 1This article is part of a series of reviews on “Oxidative DNA Damage and Repair.” The full list of papers may be found on the homepage of the journal.
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ERCC1-deficient cells and mice are hypersensitive to lipid peroxidation
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Progress in upscalingMiscanthusbiomass production for the European bio-economy with seed-based hybrids
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Biopaliwa z rzepaku. Przygotowanie surowca do otrzymywania biodiesla w warunkach gospodarstwa rolnego oraz pilotowe metanolizy
PublicationScharakteryzowano olej rzepakowy jako surowiec do produkcji biodiesla i opisano etapy procesu transestryfikacji. Oceniono metody wydobywania oleju rzepakowego poprzez tłoczenie w warunkach gospodarstwa rolnego i scharakteryzowano oleje pod względem przydatności do reakcji metanolizy (zawartość fosforu, LK, LOO, skład kwasów tłuszczowych). Przeprowadzono wstępne, laboratoryjne reakcje transestryfikacji i na ich podstawie wytypowano...
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Influence of some anthropometric parameters on the risk of development of distal complications after mastectomy carried out because of breast carcinoma
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Structure–activity relationships study on biological activity of peptides as dipeptidyl peptidase IV inhibitors by chemometric modeling
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Potential DPP IV Inhibitory Peptides from Dry-Cured Pork Loins after Hydrolysis: An In Vitro and In Silico Study
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Modeling the photodynamic effect in 2D versus 3D cell culture under normoxic and hypoxic conditions
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Aryl- and heteroaryl-substituted phenylalanines as AMPA receptor ligands
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Ontology groups representing angiogenesis and blood vessels development are highly up-regulated during porcine oviductal epithelial cells long-term real-time proliferation – a primary cell culture approach
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Characteristic of factors influencing the proper course of folliculogenesis in mammals
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Expression Changes in Fatty acid Metabolic Processrelated Genes in Porcine Oocytes During in Vitro Maturation
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Does migrative and proliferative capability of epithelial cells reflect cellular developmental competence?
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Response to abiotic and organic substances stimulation belongs to ontologic groups significantly up-regulated in porcine immature oocytes
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The pH Value as a Factor Modifying Bacterial Colonization of Sinonasal Mucosa in Healthy Persons
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Genes involved in angiogenesis and circulatory system development are differentially expressed in porcine epithelial oviductal cells during long-term primary in vitro culture – a transcriptomic study
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The differentiation and transdifferentiation of epithelial cells in vitro – is it a new strategy in regenerative biomedicine?
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Cation homeostasis and transport related gene markers are differentially expressed in porcine buccal pouch mucosal cells during long-term cells primary culture in vitro
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Ion homeostasis and transport are regulated by genes differentially expressed in porcine buccal pouch mucosal cells during long-term culture in vitro – a microarray approach
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Cytoplasmic and nuclear maturation of oocytes in mammals – living in the shadow of cells developmental capability
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