34,303 results match your criteria: "Slovak Republic; Plant Science and Biodiversity Center[Affiliation]"

Honey can benefit from non-thermal processing techniques such as high-pressure processing (HPP) to improve its quality and bioactivity. This study investigated the impact of HPP (600 MPa for 5, 10, and 15 min) on honey's quality, including the levels of hydroxymethylfurfural (HMF), antioxidant activity, total phenolic content (TPC), and phenolic profile. HPP treatment did not significantly affect HMF or TPC levels but led to selective changes in the phenolic profile.

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Development of chiral organic materials with a strong chiroptical response is crucial to advance technologies based on circularly polarized luminescence, enantioselective sensing, or unique optical signatures in anti-counterfeiting. The progress in the field is hampered by the lack of structure-property relationships that would help designing new chiral molecules. Here, we address this challenge by synthesis and investigation of two chiral macrocycles that integrate in their structure a pseudo-meta [2.

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Applications of artificial intelligence in regenerative dentistry: promoting stem cell therapy and the scaffold development.

Front Cell Dev Biol

December 2024

Klinika of Stomatology and Maxillofacial Surgery Akadémia Košice Bacikova, UPJS LF, Kosice, Slovakia.

Tissue repair represents a critical concern within the domain of dentistry. On a daily basis, countless individuals seek dental clinic services due to inadequate dental care. Many of the treatments that patients receive have unfavorable side effects.

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A high-efficient electrochemical degradation of diclofenac in water on planar and microstructured 2D, and macroporous 3D boron-doped diamond electrodes: Identification of degradation and transformation products.

Chemosphere

December 2024

Comenius University in Bratislava, Faculty of Natural Sciences, Department of Analytical Chemistry, Ilkovičova 6, SK-842 15 Bratislava, Slovak Republic; University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, CZ-389 25 Vodňany, Czech Republic. Electronic address:

The highly efficient degradation of persistent organic substances by electrochemical advanced oxidation processes (EAOPs), which don't result in the formation of potentially harmful by-products, is crucial for the future of water management. In this study, boron-doped diamond electrodes (BDDE) with three morphologies (planar 2D, microstructured 2D, and macroporous 3D) were employed for the anodic oxidation of diclofenac (DCF) in two working electrolytes (NaCl and NaSO). In total, 11 by-products formed during the electrochemical oxidation of DCF were identified via HPLC-HRMS.

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Advancing molecular diagnostics of myotonic dystrophy type 1 using short-read whole genome sequencing.

Mol Cell Probes

December 2024

Institute of Clinical and Translational Research, Biomedical Research Center of the Slovak Academy of Sciences, Bratislava, Slovakia; Comenius University Science Park, Bratislava, Slovakia; Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia; G2 Consulting Slovakia Ltd., Slovakia. Electronic address:

Myotonic dystrophy type 1 (DM1) is a serious multisystem disorder caused by GCA repeat expansions in the DMPK gene. Early and accurate diagnosis, often requiring reliable DNA-diagnostic techniques, is critical for preventing life-threatening cardiac complications. Clinically, two main diagnostic challenges exist.

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Interaction of zinc oxide nanoparticles with soil colloidal suspensions.

Chemosphere

December 2024

Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15, Bratislava, Slovakia. Electronic address:

The properties of soil colloids determine the interaction with nanoparticles, their behavior, and destiny in the soil environment including soil solutions. This study examines how several properties of soil colloids, including pH, phosphorus content, clay minerals, and iron oxyhydroxides, influence the interaction with zinc oxide nanoparticles (ZnO-nps). For the experimental setup, four different soils were selected from the temperate climate of central Europe, in Slovakia, exhibiting pH values ranging from 4.

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Greenhouse gas (GHG) emissions from livestock ruminants, particularly methane (CH), nitrous oxide, and indirectly ammonia (NH) significantly contribute to climate change and global warming. Conventional monoculture swards for cattle feeding, such as perennial ryegrass or Italian ryegrass, usually require substantial fertiliser inputs. Such management elevates soil mineral nitrogen levels, resulting in GHG emissions and potential water contamination.

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Purpose: This study was aimed at comprehensive genomic analysis of VIM-type carbapenemase-producing Klebsiella pneumoniae species complex (KpSC) in Poland.

Methods: All non-duplicate 214 VIM-producing KpSC isolates reported in Poland in 2006-2019 were short-read sequenced and re-identified by the average nucleotide identity scoring. Their clonality/phylogeny was assessed by cgMLST and SNP in comparison with genomes from international databases.

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Laboratory measurements used for safety assessments in clinical trials are subject to the limits of the used laboratory equipment. These limits determine the range of values which the equipment can accurately measure. When observations fall outside the measurable range, this creates a problem in estimating parameters of the normal distribution.

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In vivo evaluation of selenium-tellurium based nanoparticles as a novel treatment for bovine mastitis.

J Anim Sci Biotechnol

December 2024

Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1665/1, Brno, 613 00, Czech Republic.

Background: Bovine mastitis is one of the main causes of reduced production in dairy cows. The infection of the mammary gland is mainly caused by the bacterium Staphylococcus aureus, whose resistant strains make the treatment of mastitis with conventional antibiotics very difficult and result in high losses. Therefore, it is important to develop novel therapeutic agents to overcome the resistance of mastitis-causing strains.

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The chemotactic response of Caenorhabditis elegans represents a promising tool for the early detection of cancer.

Discov Oncol

December 2024

Department of Laboratory Medicine, Faculty of Health Care and Social Work, Trnava University in Trnava, Univerzitné Námestie 1, 91843, Trnava, Slovakia.

The nematode Caenorhabditis elegans, with its highly sensitive olfactory system, has emerged as a promising tool for testing chemotaxis. In the field of cancer diagnostics, there is a growing interest in the development of non-invasive screening methods for the detection of volatile organic compounds in a patient's urine. The objective of this study was to contribute to the existing body of knowledge by evaluating the ability of a Caenorhabditis elegans-based chemotaxis assay to discriminate between urine samples from healthy individuals and patients diagnosed with breast or colon cancer.

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Article Synopsis
  • The text discusses the impact of pneumococcal conjugate vaccines (PCVs), specifically PCV10 and PCV13, on invasive pneumococcal disease (IPD) globally, highlighting how these vaccines have reduced the prevalence of disease caused by vaccine-type serotypes after extensive use.
  • It describes the methodology of data collection from various surveillance sites, which aimed to evaluate IPD cases that occurred five years after the vaccines were implemented, focusing on different age groups for analysis.
  • Findings indicate significant differences in serotype distribution between PCV10 and PCV13 sites; notably, certain serotypes, such as 19A and serotype 3, were prevalent in specific age groups, signaling ongoing challenges in controlling
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Background: Pneumococcal conjugate vaccines (PCVs) that are ten-valent (PCV10) and 13-valent (PCV13) became available in 2010. We evaluated their global impact on invasive pneumococcal disease (IPD) incidence in all ages.

Methods: Serotype-specific IPD cases and population denominators were obtained directly from surveillance sites using PCV10 or PCV13 in their national immunisation programmes and with a primary series uptake of at least 50%.

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Length-mass relationships of pond macroinvertebrates do not hold between Southern and Northern Europe.

PeerJ

December 2024

cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, Lisbon, Portugal.

The lack of reliable data on length-mass relationships, essential to obtain accurate biomass estimates, limits our ability to easily assess secondary production by aquatic invertebrates. In the absence of published equations from similar habitat conditions, authors often borrow equations developed in geographic regions with different climate conditions, which may bias biomass estimates. A literature overview of published size-mass relationships for Portugal and Sweden highlights the need for further data within these biogeographic regions.

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Background: There is a high probability of compassion fatigue occurring in helping professionals who work with traumatized clients or patients. Several instruments exist for measuring compassion fatigue, but all of them have methodological flaws. The original Compassion Satisfaction/Fatigue Self-Test for Helpers is time-consuming and its psychometric properties, including factor structure, have not been supported in the research.

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Moth flies (Diptera, Psychodidae) of Estonia.

Zookeys

December 2024

Department of Entomology, National Museum, Cirkusová 1740, CZ - 193 00, Praha 9 - Horní Počernice, Czech Republic National Museum Praha Czech Republic.

A fundamental prerequisite for understanding and protecting biodiversity is the construction of a high-quality faunal database. The primary objective of this study was to address knowledge gaps in the biodiversity of the family Psychodidae in Estonia. Faunistic data on 45 species of moth flies (Diptera: Psychodidae) from Estonia are presented, including 30 new country-records.

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Helminth diversity of nutria () across the Morava basin in the Czech Republic.

Parasitology

December 2024

Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic.

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Objective: Ultra-marathon running races are held as distance-limited or time-limited events, ranging from 6 h to 10 days. Only a few runners compete in 10-day events, and so far, we have little knowledge about the athletes' origins, performance, and event characteristics. The aim of the present study was to investigate the origin and performance of these runners and the fastest race locations.

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Background: Although osteoarthritis (OA) is the most prevalent form of arthritis, there is still no effective treatment capable of combining immunomodulatory effects with cartilage repair. Extracellular vesicles (EVs) represent a promising new generation of cell-free therapies for OA. Blood-derived products, including plasma, are an easily available and abundant source of EVs with anti-inflammatory and regenerative properties.

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Longitudinal Assessment of Cognitive Function in Survivors of Testicular Germ Cell Tumor.

Eur Urol Oncol

December 2024

2nd Department of Oncology, Comenius University and National Cancer Institute, Bratislava, Slovakia; Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia. Electronic address:

Background And Objective: Survivors of testicular germ cell tumor (TGCT) may experience long-term cognitive changes. The aim of our prospective study was to longitudinally assess cognitive function among TGCT survivors to identify potential lasting cognitive changes over a period of 5 yr.

Methods: TGCT survivors (n = 151) completed Functional Assessment of Cancer Therapy-Cognitive Function (FACT-Cog) questionnaires annually, with median time to first follow-up visit (FUV) of 8 (range 4-24) yr since completion of treatment.

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Echinococcus is a genus of cestode parasites of paramount veterinary and medical importance globally. Two species, Echinococcus granulosus sensu lato and Echinococcus multilocularis, are endemic to North America and are the etiologic agents of cystic echinococcosis and alveolar echinococcosis, respectively. North America is currently experiencing an epidemiological shift in the state of transmission, distribution, and prevalence of E.

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Temperature-dependent sleep patterns in Drosophila.

J Therm Biol

December 2024

Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, 845 06 Bratislava, Slovakia. Electronic address:

Sleep is a fundamental physiological process conserved through evolution, from worms to humans. Understanding how temperature influences sleep is essential for comprehending the complexities of animal behavior, physiology, and their adaptations to thermal environments. This study explores the impact of temperature on sleep behavior and patterns in Drosophila melanogaster.

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Anthropometry provides a non-invasive technique for evaluating growth and obesity and serves as an indicator of health status. This cross-sectional study aims to investigate the association of internal arsenic (As), cadmium (Cd), total mercury (THg), methylmercury (MeHg), and lead (Pb) exposure with anthropometric parameters, including obesity, in adolescents. Participants (N = 320) were children aged 10-14 years (mean 11.

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Who agrees more? The role of age, education, and the ability to solve verbal analogies in acquiescence.

Curr Issues Personal Psychol

July 2024

: Department of Psychology, Faculty of Philosophy and Arts, University of Trnava, Trnava, Slovak Republic.

Background: Acquiescence as one of the response styles is the participant's tendency to shift answers to agreement rather than to disagreement regardless of the items' content. Acquiescence together with other response styles could be a serious threat to the results of research. It can be affected by several individual characteristics including cognitive abilities.

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Background: This study evaluated the safety and efficacy of BioMime sirolimus-eluting stent (SES) system, with an ultra-low strut thickness (65 µm), in real-world all-comers population with coronary artery stenosis (CAD).

Methods: This was a post-marketing, multicenter, single-arm, observational clinical registry among patients undergoing intervention for CAD. Patients were clinically followed up at 1, 9, 12, and 24 months after the index percutaneous coronary intervention.

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