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Histopathological studies of aquatic animals refer to the microscopic examination of tissues and organs in order to detect deviations from the expected microscopic or macroscopic structure. Information obtained from the study of histomorphological lesions in aquatic animals can be a useful addition when determining the general state of health of aquatic animals, especially if chronic stressors and/or pathogens are present. Compared to mammals, postmortem autolysis progresses very rapidly in most aquatic organisms. This fact makes histopathological examination quite complex and demanding, not only in a histotechnical sense. A prerequisite for a successful study is the baseline knowledge of physiological processes and histological architecture of the studied species. Therefore, the aim of this Special Issue is to contribute to the current state of knowledge on the histopathology of aquatic animals and to provide a professional and encyclopedic tool for biologists and veterinarians.
micro-nano plastics --- fish --- organism model --- histopathology --- blood biomarkers --- microlipoma --- liver --- Barbus balcanicus --- 3D reconstruction --- nutrition --- aquaculture --- fishmeal replacement --- land animal proteins --- histology --- intestinal microbiota --- Sparus aurata --- toxicity --- effect --- invertebrate --- mussels --- Aeromonas spp. --- rainbow trout --- bacteria --- infection --- antinutritional factors --- soybean --- gut health --- environmental monitoring --- histopathological biomarkers --- histopathological alterations --- fish gills --- atrazine --- Purkinje --- cerebellum --- myocytes --- toxicology --- IP3Rs --- Vistonis Lake --- physico-chemical parameters --- gills --- HSPs --- MARKs --- Na+-K+ ATPase --- hepatorenal --- pathology --- toxicosis --- biomarkers --- adult Xenopus laevis --- n/a
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The large production and widespread daily consumption of plastic materials which began in the last century, together with the often inadequate collection and recycling systems, have made plastics and, consequently, microplastics (MPs) ubiquitous pollutants. Microplastic pollution as a global concern is confirmed by the research papers collected in this Special Issue; these papers come from 28 Universities and research institutions and are spread across ten countries on three continents. This Special Issue collected and published 11 novel contributions focusing on microplastics in aquatic environments, their occurrence and distribution, and the effects they might have on the environment and biota. As Guest Editors of this Special Issue, we were pleased to receive several papers concerning the interaction between microplastics and biota; despite a large number of peer-reviewed papers published on this research topic, there are still several gaps that need to be filled and there is concrete evidence suggesting that microplastic pollution may constitute a serious hazard to aquatic biota. The results of the contributions collected herein have helped to fill some knowledge gaps about the occurrence, distribution, and effects of microplastics on aquatic ecosystems. The outcomes clearly indicate that microplastic pollution is a serious environmental issue; the scientific community should increase its knowledge and understanding of how it could affect the environment, biota, and humans, and how it could be reduced and prevented.
Medicine --- Medical toxicology --- source --- fate --- bacterial degradation --- marine environment --- microplastics --- microplastic pollutant --- polystyrene --- biodegradation --- microalgae --- per- and polyfluoroalkyl substances --- Muskegon Lake --- plastics --- riverine --- coastal --- estuary --- characteristics --- pollution --- population growth rate --- polyamide --- silica beads --- fitness response --- rotifers --- Brachionus fernandoi --- Brachionus calyciflorus --- egg ratio --- polystyrene microplastics --- size-dependent uptake --- vectors --- cadmium --- benzo(a)pyrene --- mussels --- invasive macroalgae --- bivalves --- marine debris --- oxidative stress --- energy balance --- byssus production --- microplastic --- grass carp --- size --- accumulation --- re-consumption --- shape --- colour --- polymer type --- blackfly larvae --- freshwaters --- Simuliidae --- additives --- plasticizers --- fibers --- cellulose --- Mediterranean Sea --- chemical characterization --- environmental pollution --- biota contamination --- n/a
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The aim of the present Special Issue is to address the state-of-art of mitochondrial genomics and phylogenomics. Mitochondrial markers are widespread in phylogenetics; however, it is becoming increasingly clear that (i) many discordance issues arise with respect to nuclear markers and (ii) many features that are normally considered 'typical' for the mitochondrial genome are indeed highly unstable and unconserved.
Acari Actinotrichida --- COI --- cytochrome B --- genetic identification --- Hydrachnidia --- Culicidae --- reverse taxonomy --- species identification --- Unio crassus --- freshwater mussels --- population genetics --- genetic diversity --- mtDNA --- ITS --- codon degeneration --- phylogenetic conflict --- deep phylogeny --- ratite --- Theileria parva --- mitogenomes --- haplotypes --- SNPs --- live vaccine --- fig wasps --- classification --- phylogeny --- mitochondrial gene --- transcriptome --- divergence --- Diptera --- saturation --- rates --- banana --- diversification times --- mitochondrial genome --- Mycosphaerellaceae --- plant pathogens --- Pseudocercospora --- sigatoka disease --- wild sheep --- bighorn --- taxonomy --- cytochrome b --- Yakut snow sheep --- Ovis nivicola lydekkeri --- Actiniaria --- group I intron --- mitogenome --- rearrangement --- sea anemone --- 2D RNA-Barcoding --- molecular morphology --- Nudibranchia --- Dondice --- heteroplasmy --- paternal leakage --- NUMTs --- selection --- mtDNA architecture --- mtDNA structure --- nucleotide composition --- compositional bias --- strand asymmetry --- Eukaryota --- mtDNA expansion --- ICZN --- homonym --- Heterobranchia --- Crassostrea angulata --- Portuguese oyster --- cox1 --- phylogeography --- phylogenetics --- haplotype diversity --- oyster conservation --- n/a
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This Special Issue contains 12 papers devoted to fluid/structure interaction (FSI) problems. The main feature of the problems is an interface on which consistent boundary conditions for both the liquid and the solid regions are formulated. The presented studies cover a wide range of problems and methods for their solution, including problems of weak, or one-way interaction, in which the effect of interface deformation on the fluid flow can be neglected, as well as problems of the strong interaction, for which the interface change affects both the flow and the structure behaviour. The interest in FSI problems is very great due to their practical importance. Recent developments in engineering have led to advanced formulations of FSI problems. Some of them could not be formulated several years ago. The presented papers demonstrate progress in both numerical algorithms, mathematical apparatus and advanced computational techniques. In this issue, we have tried to collect different FSI problems, new mathematical and numerical approaches, new numerical techniques and, of course, new results, which can provide an insight into FSI processes.
vortex-induced vibration --- higher mode --- flexible pipe --- oscillatory flow --- motion trajectory --- lock-in --- dominant frequency --- time-varying --- lifeboat --- freefall --- ship motion --- Kane’s method --- one-way coupling --- CFD-DEM --- ice resistance --- ice crack --- fluid–structure interaction --- flexible beam --- high speed imaging --- system coupling --- coastal structure --- fluid-structure interaction --- engineering design parameters --- environment protection --- intake velocity --- velocity cap --- axial hydraulic force --- stress --- deformation --- pump turbine --- starting-up --- cutting ratio --- codend --- hydrodynamic characteristics --- fluttering motions --- the Fourier series --- marine centrifugal pump --- vibration excitation source --- fluid excitation --- electromagnetic excitation --- numerical simulation --- OpenFOAM --- one-way approach --- structural analysis --- open water test --- computational fluid dynamics --- numerical analysis --- fluid mechanics --- blade design --- propeller --- hydraulic machinery runner --- wet modal analysis --- acoustic–structure coupling --- boundary condition --- marine growth --- hydrodynamic loading --- roughness --- mussels --- morison coefficients --- cavity detachment --- free streamlines --- Brillouin criterion --- n/a --- Kane's method --- acoustic-structure coupling
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Do you care about your environment and your health? Contamination by hazardous substances in environmental matrices, including landfills, oil fields, and manufacturing and industrial sites, represents a global concern and needs to be remediated since it poses a serious risk to the environment and human health. Particular attention should also be paid to the use of medical devices and recent developments in the use of nanoparticles expressed as drug delivery systems designed to treat a wide variety of diseases. This Special Issue collects a compilation of articles that strongly demonstrate the continuous efforts made in developing advanced and safe nanomaterial-based technologies for nano-remediation and for drug delivery and other biomedical applications. It covers the most recent advances in the safe nanomaterials synthesis field as well as in environmental applications, in the use of restorative materials, drug delivery and other clinical applications, in order to lay the foundations for a cleaner and healthier future.
lipid nanoparticles --- cryo transmission electron microscopy --- atomic force microscopy --- bicelle --- micelle --- liposome --- UO22+ --- salicyladazine --- fluorescence --- mesoporous silica --- multifunctional nanoemulsions --- targeted delivery --- cancer --- Trojan horse effect --- B[a]P --- nC60 --- co-exposure --- mussels --- DNA damage --- proteomics --- pitch --- activated carbon fiber --- evaporated fuel --- hydrocarbon emissions --- magnetic nanoparticles --- human bone marrow-derived mesenchymal stem cells --- membrane fluidity --- focal adhesion --- cytoskeletal abnormality --- nanomaterials --- organisms suitable for simple and rapid ecotoxicity testing SSRET --- ecotoxicological test batteries --- ecotoxicology --- graphite powder --- graphene oxide --- reduced graphene oxide --- Chenopodium album --- anticancer --- antimicrobial --- sperm DNA damage --- titanium dioxide nanoparticles --- cadmium --- oxidative stress --- male infertility --- cellulose-based nanosponges --- zinc --- seawater --- ecotoxicity --- effect-based approach --- remediation --- Chlorella vulgaris --- silver nanoparticles --- growth inhibition --- chlorophyll-a content --- morphological changes --- bioaccumulation --- crystalline structure --- scanning electron microscopy --- porosity --- glass ionomer cement --- cytotoxicity --- TiO2 NPs --- applications --- wastewater treatment --- agro-environment --- exposure pathways --- bacterial resistance --- boar --- microbiological analyses --- nanoparticles --- semen --- nanostructured materials --- sorption --- organic dyes --- nanocellulose --- micronucleus --- nuclear morphology alteration --- cellular proliferation --- zebra mussel (Dreissena polymorpha) --- polysaccharide-based nanosponge --- nanoremediation --- n/a
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