605 research outputs found

    Dramodwyr Rhwng Dau Fyd: Aled Jones Williams a Sergi Belbel

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    Doing and Making: History as Digital Practice

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    The Law and the Press

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    This chapter offers a broad survey of the relationships between the law and the press (primarily the newspaper press) during the nineteenth century. It traces the transition from early decades of vigorous state hostility of the first third of the century, through the gradual relaxation of fiscal and regulatory controls from the 1830s to the 1860s, to the brief period of completely unregulated press production in the 1870s. It examines the main legal engagements of the press in this period: the various forms of libel, political (seditious, blasphemous and obscene), civil and criminal, as well as copyright and contempt of court. In doing so it explores the limits of the ‘free press’ of British constitutional myth, and the complex and mutually constitutive relationship between the press and the law as interests

    Identification of factors associated with Fasciola hepatica infection risk areas on pastures via an environmental DNA survey of Galba truncatula distribution using droplet digital and quantitative real-time PCR assays

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    Abstract Environmental DNA (eDNA) is a powerful tool for identifying the spatial and temporal presence and density of species in a range of aquatic habitats. The analysis of eDNA has a wide range of application, one of which may be to inform of Fasciola hepatica infection risk on pastures based on the detection of its eDNA as well as that of its intermediate snail host, Galba truncatula eDNA. Here, droplet digital PCR (ddPCR) and quantitative real‐time PCR (qPCR) assays were developed to detect the eDNA of F. hepatica, and its intermediate snail host, G. truncatula in water samples collected from pastures grazed by cattle and/or sheep. Environmental factors associated with species presence, as detected via an eDNA survey, were identified using zero‐inflated linear mixed models. Sixty‐four habitats were sampled across six farms in Ceredigion, Wales, UK, with ddPCR and qPCR identifying 42 and 33 habitats to be positive for G. truncatula eDNA, respectively. G. truncatula eDNA was significantly less likely to be detected in habitats fully shaded by trees, those that contained black or dark brown soils and habitats that contained deep water pools (p < 0.05). Significantly higher G. truncatula eDNA concentrations were observed in habitats that tend to dry up during Summer (i.e., temporary habitats) (p < 0.05). ddPCR also identified five habitats to be positive for F. hepatica eDNA; however, questions remain regarding the utility of F. hepatica eDNA detection due to a lack of specificity toward infective F. hepatica larval stages. The results of this study inform of factors which influences G. truncatula distribution and ecology on pastures and also provided practical information for farmers to aid F. hepatica control in their flocks and herds

    Multi-Site N-glycan mapping study 1: Capillary electrophoresis – laser induced fluorescence

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    An international team that included 20 independent laboratories from biopharmaceutical companies, universities, analytical contract laboratories and national authorities in the United States, Europe and Asia was formed to evaluate the reproducibility of sample preparation and analysis of N-glycans using capillary electrophoresis of 8-aminopyrene-1,3,6-trisulfonic acid (APTS)-labeled glycans with laser induced fluorescence (CE-LIF) detection (16 sites) and ultra highperformance liquid chromatography (UHPLC, 12 sites; results to be reported in a subsequent publication). All participants used the same lot of chemicals, samples, reagents, and columns/capillaries to run their assays. Migration time, peak area and peak area percent values were determined for all peaks with >0.1% peak area. Our results demonstrated low variability and high reproducibility, both, within any given site as well across all sites, which indicates that a standard N-glycan analysis platform appropriate for general use (clone selection, process development, lot release, etc.) within the industry can be established
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