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Tracing anthropogenic mercury in soils from Fe-Hg mining/smelting area: isotopic and speciation insights
Chemosphere. 2024 Apr 13:142038. doi: 10.1016/j.chemosphere.2024.142038. Online ahead of print.ABSTRACTMercury (Hg) stable isotope ratios supplemented by Hg solid speciation data were determined in soils in a former Fe-Hg mining/smelting area (Jedová hora, Czech Republic, Central Europe). The dominant Hg phase in the studied soils was found to be cinnabar (HgS). A secondary form of soil Hg(II) was represented by Hg weakly and strongly bound to mineral (micro)particles, as revealed by thermo-desorption analysis. These Hg species probably play a key role in local soil Hg processes and biogeochemical cycling. The Hg isotopic...
Source: Chemosphere - April 15, 2024 Category: Chemistry Authors: Maria Va ňková Alda Maria Domingues Vieira Vojt ěch Ettler Ale š Vaněk Jakub Truba č V ít Penížek Martin Mihaljevi č Source Type: research

Viruses, Vol. 16, Pages 610: Characterization of Mycoviruses in Armillaria ostoyae and A. cepistipes in the Czech Republic
v Čurn Members of the genus Armillaria are widespread forest pathogens against which effective protection has not yet been developed. Due to their longevity and the creation of large-scale cloning of Armillaria individuals, the use of mycoviruses as biocontrol agents (BCAs) against these pathogens could be an effective alternative. This work describes the detection and characterization of viruses in Armillaria spp. collected in the Czech Republic through the application of stranded total RNA sequencing. A total of five single-stranded RNA viruses were detected in Armillaria ostoyae and A. cepistipes, including viruses...
Source: Viruses - April 15, 2024 Category: Virology Authors: Lucie Walterov á Leticia Botella Ond řej Hejna Marcos de la Pe ña Tom áš Tonka Vladislav Čurn Tags: Brief Report Source Type: research

Optic nerve involvement in patients with Lyme neuroborreliosis: an electrophysiological study
ConclusionIn LNB patients, VEP helps to increase sensitivity of an early diagnostic process. (Source: Documenta Ophthalmologica)
Source: Documenta Ophthalmologica - April 15, 2024 Category: Opthalmology Source Type: research

Measles in Czech population with varying vaccination rates in 2018 –2019: clinical and laboratory differences between vaccinated and unvaccinated individuals and their relevance to clinical practice
. (Source: Infectious Diseases)
Source: Infectious Diseases - April 13, 2024 Category: Infectious Diseases Authors: Dita Sm íškováSimona JanovicPavlína KadeřávkováLudmila NovákováZuzana BlechováMarek MalýRadomíra Limberkováa Department of Infectious Diseases, Second Faculty of Medicine, Charles University and Bulovka University Hospital, Prague, Czech Repu Source Type: research

Adverse Effects of Meditation: Autonomic Nervous System Activation and Individual Nauseous Responses During Samadhi Meditation in the Czech Republic
AbstractBuddhist meditation practices, including Samadhi meditation, which forms the basis for mindfulness practice, are broadly promoted as pathways to wellbeing, but evidence of their adverse effects is emerging. In a single-group observational study with assessments of autonomic system before, during, and after Samadhi meditation, we explore the relationship between post-meditation nausea symptoms and the degree of change in autonomic system activity during meditation as compared to before and after in 57 university students (42 women; mean age = 22.6) without any previous experience in meditation or yoga practices...
Source: Journal of Religion and Health - April 12, 2024 Category: Medical Ethics Source Type: research

Identification of hot spots and co-occurrence patterns of activities on thyroid hormone receptor and transthyretin binding in passive samplers from Czech surface waters
Environ Res. 2024 Apr 8:118891. doi: 10.1016/j.envres.2024.118891. Online ahead of print.ABSTRACTOne of the less studied in vitro biological activities in the aquatic environment are thyroid hormone receptor beta (TRβ)-mediated agonistic and antagonistic activities and transthyretin (TTR) binding activity. They were measured mostly using active sampling methods, but rarely found. It is unclear if these activities co-occur, and the drivers of the (anti-)TRβ activity are mostly unknown. Therefore, the main aim of the study was to determine (anti-)TRβ activities as well as transthyretin (TTR) binding activity in passive sa...
Source: Environmental Research - April 10, 2024 Category: Environmental Health Authors: Pavel Šauer Adam Bo řík Andrea Vojs Sta ňová Roman Grabic V ít Kodeš Beatrice Kyei Amankwah Hana Kocour Kroupov á Source Type: research

Large-scale genome-wide SNP analysis reveals the rugged (and ragged) landscape of global ancestry, phylogeny, and demographic history in chicken breeds
This study was a large-scale genome-wide analysis of the landscape of the complex molecular architecture, genetic variability, and detailed structure among 49 populations. These populations represent a significant sample of the world's chicken breeds from Europe (Russia, Czech Republic, France, Spain, UK, etc.), Asia (China), North America (USA), and Oceania (Australia). Based on the results of breed genotyping using the Illumina 60K single nucleotide polymorphism (SNP) chip, a bioinformatic analysis was carried out. This included the calculation of heterozygosity/homozygosity statistics, inbreeding coefficients, and effec...
Source: J Zhejiang Univ Sci ... - April 7, 2024 Category: Science Authors: Natalia V Dementieva Yuri S Shcherbakov Olga I Stanishevskaya Anatoly B Vakhrameev Tatiana A Larkina Artem P Dysin Olga A Nikolaeva Anna E Ryabova Anastasiia I Azovtseva Olga V Mitrofanova Grigoriy K Peglivanyan Natalia R Reinbach Darren K Griffin Michael Source Type: research