2,044 results match your criteria: "University of Life Sciences - SGGW[Affiliation]"

Laetrile, known as vitamin B17, is often used interchangeably with amygdalin. Laetrile is a semi-synthesis product of amygdalin, whereas amygdalin is a naturally occurring substance in many plants. Both compounds have a nitrile functional group that, when activated by the intestinal enzyme β-glucosidases, releases hydrogen cyanide.

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Diet quality indicators and organic food consumption in mothers of young children.

J Sci Food Agric

January 2025

Department of Functional and Organic Food, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW), Warsaw, Poland.

Background: The health benefits of organic food provide one reason for consuming it. Various studies have shown that regular organic food consumers (REG eco-con) follow a healthier diet. However, this topic has not been explored in Poland.

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The Impact of Selenium on the Physiological Activity of Yeast Cells ATCC 7090 and CCY 20-2-26.

Front Biosci (Landmark Ed)

January 2025

Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, 02-776 Warsaw, Poland.

Background: This study investigated the selenium-binding capacity of the biomass of two yeast strains, American Type Culture Collection (ATCC) 7090 and CCY 20-2-26.

Methods: The studies carried out methods of bioaccumulation by yeast biomass. Inorganic selenium was added to the culture media as an aqueous solution of NaSeO at concentrations ranging from 0 to 40 mg Se/L.

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Different types of feline papillomaviruses (PVs) are associated with a variety of skin lesions and neoplasia, such as papillomas and cell carcinomas, but the virus can also be found in healthy skin. In this review, the European Advisory Board on Cat Diseases (ABCD), a scientifically independent board of veterinary experts on feline infectious diseases from 11 European Countries, discusses the current knowledge of feline PV infections. Cats most likely become infected through lesions or abrasions of the skin.

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Upcycling Calcium Carbonate as an Alternative Filler in Layered Wood Composite Technology.

Materials (Basel)

January 2025

Department of Technology and Entrepreneurship in Wood Industry, Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences-SGGW, 02-787 Warsaw, Poland.

Chicken eggshells are a useful waste that may be used somewhere rather than being placed in landfills. They are created in poultry hatcheries, the food sector (making pasta, cakes, and egg products), or our homes. In this project, this study aimed to investigate the possibility of producing plywood using a filler in the gluing process in the form of ground eggshells.

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The paper presents a description of a new species of the genus Lesne, caught in northern Thailand. The new species, Borowski n. sp.

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This study aimed to investigate the effects of a Standardized Natural Citrus Extract (SNCE) on broiler chickens' growth performance, gut health, carcass quality, and welfare. A total of 756 one-day-old Ross 308 males were randomly assigned to two groups: a control group (CTL) fed with a standard diet, and a citrus group (SNCE) fed with the same standard diet supplemented with 250 g/ton of feed of SNCE. Growth performance was recorded weekly until d 35, while mortality was recorded daily.

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Consumers include pumpkin seeds in their diet as a snack in raw form or minimally processed by roasting. This process enables the seeds to develop a characteristic aroma and color. Herbs and spices are also distinguished by a pleasant and delicate aroma.

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Background: Mycobacterium bovis BCG is the human tuberculosis vaccine and is the oldest vaccine still in use today with over 4 billion people vaccinated since 1921. The BCG vaccine has also been investigated experimentally in cattle and wildlife by various routes including oral and parenteral. Thus far, oral vaccination studies of cattle have involved liquid BCG or liquid BCG incorporated into a lipid matrix.

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Introduction: This study aims to quantify the shear wave speed (SWS) and stiffness of the uterine cervix (close to the internal cervical ostium (IOC) which is the cranial portion of cervix and close to the external cervical ostium (EOC) which is the caudal portion of cervix), caruncular areas, and vulvar labia during the postpartum period in healthy Kivircik ewes by using shear-wave elastography. Power Doppler ultrasonography was performed to evaluate the color pixel percentage (CPP) of the caruncles.

Methods: The study included 13 healthy pregnant Kivircik ewes, which were randomly selected.

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An inherently discrete-time model based on the mass action law for a heterogeneous population.

Math Biosci Eng

December 2024

Institute of of Information Technology, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 Street, building 34, 02-776 Warsaw, Poland.

In this paper, we introduce and analyze a discrete-time model of an epidemic spread in a heterogeneous population. As the heterogeneous population, we define a population in which we have two groups which differ in a risk of getting infected: a low-risk group and a high-risk group. We construct our model without discretization of its continuous-time counterpart, which is not a common approach.

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Objectives: A better understanding of the conditions leading to overweight and obesity is fundamental due to the ever-increasing phenomenon of excess body weight. This study aimed to determine how the occurrence of restrained eating in young adulthood, food-restricted types, and food experiences related to food restrictions originating in childhood correlate with excessive body weight among young adults.

Methods: The data were collected in Poland in 2020-2021 using a Computer-Assisted Web Interview technique as a cross-sectional study among 358 young adults.

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Nutrition knowledge may be translated into adequate dietary intake and proper eating habits, so adolescent education programs focusing on improving eating habits and nutrition knowledge are needed. The aim of the cross-sectional study with pair-matched controls was to assess the Consumer Nutrition Knowledge Scale (CoNKS) results and its determinants after one year of intervention in a national extracurricular athletics program within a pair-matched sample of Polish adolescents. The #goathletics Study evaluated a Polish national extracurricular athletics program, 'Athletics for all', being a voluntary and free-of-charge physical activity program organized by the Polish Athletics Association.

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Background/objectives: There is scattered information in the scientific literature regarding the characterization of probiotic bacteria found in fermented milk beverages and the beneficial effects of probiotic bacteria on human health. Our objective was to gather the available information on the use of probiotic bacteria in the prevention of civilization diseases, with a special focus on the prevention of obesity, diabetes, and cancer.

Methods: We carried out a literature review including the following keywords, either individually or collectively: lactic acid bacteria; probiotic bacteria; obesity; lactose intolerance; diabetes; cancer protection; civilization diseases; intestinal microbiota; intestinal pathogens.

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Molecular Mechanisms Linking Omega-3 Fatty Acids and the Gut-Brain Axis.

Molecules

December 2024

Department of Dietetics, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159C, 02-776 Warsaw, Poland.

The gut-brain axis (GBA) is a complex communication network connecting the gastrointestinal tract (GIT) and the central nervous system (CNS) through neuronal, endocrine, metabolic, and immune pathways. Omega-3 (n-3) fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are crucial food components that may modulate the function of this axis through molecular mechanisms. Derived mainly from marine sources, these long-chain polyunsaturated fatty acids are integral to cell membrane structure, enhancing fluidity and influencing neurotransmitter function and signal transduction.

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Morphological patterns of the European bison (Bison bonasus) skull.

Sci Rep

January 2025

Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-776, Warsaw, Poland.

This study aimed to investigate the effects of environmental factors, sexual selection, and genetic variation on skull morphology by examining the skull structure of the European bison, a species at risk of extinction, and comparing it to other bovid species. The skull of the European bison was significantly bigger than that of other species of the tribe Bovini, and the results revealed considerable morphological differences in skull shape compared to other Bovini samples. The bison skull exhibited a broader shape in the frontal region and a more laterally oriented cornual process.

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Review of surgical methods for stabilizing the lumbosacral spine in dogs with chronic L7-S1 instability.

Vet Res Commun

January 2025

Department of Biomaterials and Medical Devices Engineering, Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, Zabrze, 41-800, Poland.

Chronic instability at the lumbosacral junction, particularly between the L7 vertebra and the sacral bone, presents significant challenges in veterinary orthopedics, especially for large breed dogs. This condition frequently results in severe pain, neurological deficits, and mobility impairments, prompting the development of various surgical techniques aimed at effectively stabilizing the affected area. A critical evaluation of the literature on surgical stabilization of the lumbosacral spine in dogs reveals the clinical applications, outcomes, and future directions in veterinary spinal surgery.

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Serological evidence of antibodies in wild boars () in Poland.

J Vet Res

December 2024

Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences - SGGW, 02-796 Warszawa, Poland.

Introduction: This study aimed to evaluate the seroprevalence of among wild boars inhabiting Poland.

Material And Methods: Serum samples were collected from 281 wild boars of varying ages (juveniles, adolescents and adults) and subjected to testing using a commercial indirect ELISA assay.

Results: The prevalence of antibodies was notably high, reaching 75.

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The effective implementation of the European Green Deal is based on closing cycles by means of reusing products and extending their durability, especially for steel products in the construction industry. The Life Cycle Assessment gives an opportunity to determine the potential impact caused on the environment by building structures and it is used mainly at the early design stage. At the same time, there are significant gaps when it comes to predicting properties of steel products at the last stage of the life cycle of existing buildings in the End of Life Stage (C1-C4) phases and especially D-Benefits and Loads Beyond the System Boundary.

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In recent years, civil engineering has increasingly embraced communication tools for automation, with sensors playing a pivotal role, especially in structural health monitoring (SHM). These sensors enable precise data acquisition, measuring parameters like force, displacement, and temperature and transmit data for timely interventions to prevent failures. This approach reduces reliance on manual inspections, offering more accurate outcomes.

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Characterization of Composites from Post-Consumer Polypropylene and Oilseed Pomace Fillers.

Polymers (Basel)

December 2024

Department of Technology and Entrepreneurship in Wood Industry, Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences-SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland.

This study investigates the properties of composites produced using post-consumer polypropylene (PP) reinforced with lignocellulosic fillers from (black cumin) and rapeseed pomace. Using agri-food by-products like pomace supports waste management efforts and reduces the demand for wood in wood-plastic composites. The composite production method combined extrusion and hot flat pressing.

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Stabilisation/Solidification of the Zn-Contaminated Loess Silt in View of the Mechanical Properties.

Materials (Basel)

December 2024

Institute of Civil Engineering, Warsaw University of Life Sciences-SGGW, 166 Nowoursynowska Str., 02-787 Warsaw, Poland.

The effectiveness of the stabilisation/solidification process depends upon a number of factors, the most significant of which are the type of binder, contaminants, and soil undergoing treatment. In accordance with the principles of sustainable construction, alternatives to cement are sought after, with the objective of achieving the lowest environmental impact while maintaining a high level of strength and effective binding of the contaminant. In the study of the stabilisation/solidification of zinc-contaminated loess, incinerated sewage sludge fly ash with reactive magnesia was selected as the binder, and the UCS of the mixtures and microstructure was verified after 28 days of treatment.

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Effect of Styrene Polymerization on the Bondability of Beech and Alder Wood with Different Adhesives.

Materials (Basel)

December 2024

Department of Wood Science and Wood Protection, Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776 Warsaw, Poland.

This study aimed to evaluate the bondability of beech and alder wood modified through styrene polymerization within the wood lumen. Unmodified wood samples served as the reference material. Bondability was tested using four adhesive types commonly used in wood technology: polyvinyl acetate (PVAc), urea-formaldehyde (UF), phenol-resorcinol-formaldehyde (PRF), and epoxy resin.

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The present study aimed to determine the effect of material modification by hot water extraction (HWE) on the compaction efficiency of shredded stalks in the pellet production process. Samples were prepared to differ in the number of HWE cycles: HWE I was subjected to a single cycle, HWE II was subjected to two cycles, and HWE III was subjected to three cycles and unmodified material. An analysis of the compaction process was carried out to evaluate the effect of HWE on density and energy consumption.

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The Effect of Honey Powder Addition on Chosen Quality Properties of Model Chicken Products.

Foods

December 2024

Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska Street, 02-776 Warsaw, Poland.

The objective of our paper was to evaluate the effect of honey powder addition on the quality of model chicken products over 14 days of refrigerated storage. Three model chicken product variants were produced: C-control, HP1%, HP2%-with 1 or 2% of honey powder addition. The cooking loss, basic chemical composition, water activity, texture, color, lipid oxidation (TBARS and PDSC), microbiological and sensory quality, and volatile compounds profile were determined.

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