356 research outputs found

    Vibrating with spider silk

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    What happens when one making animal meets another? In her book Gossamer Days: spiders, humans and their threads artist and writer Eleanor Morgan explores the strange web of spider-human relationships and the history of the human uses of spider silk; from gun sights to sticky tunics via acoustic lures, royal underwear and the mystery of the disappearing spider goats. In this extract from Gossamer Days, she describes a story of schoolgirls enticing spiders with their singing and how this inspired her own attempt to serenade a spider

    Derrida's garden

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    Derrida's garde

    Structural patterns in some of Dickens's novels, with a special study of Oliver Twist, Nicholas Nickleby, Martin Chuzzlewit, David Copperfield, and Great Expectations

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    Examination of Oliver Twist, Nicholas Nickleby, Martin Chuzzlewit, David Copperfield, and Great Expectations, all organized around central heroes, allows the critic to look for operative structural principles in works that appear similar. The similarity is on the surface only. Detailed analysis leads to the conclusion that the structure of each is determined by the underlying mode in which it is written. Oliver Twist is a kind of allegory, Nicholas Nickleby, a melodrama, Martin Chuzzlewit, a satire, Choice of mode appears to be determined by the author's narrative stance toward his material; this can be determined, as a rule, from prefaces, letters, and biographical events at the time of writing. The method of analysis is of central importance, as is the discovery of an adequate typology to identify salient characteristics of each mode. In addition to offering fresh insights into the novels themselves, the results of the approach through mode suggest that many novels might profitably be examined in this way. Recognition, for instance, that certain roles, such as those of the knave and the fool in satire or of the magic donor in the fairy tale, are essential to their respective modes has interesting implications for the study of characterization. This approach has not been used before, though certain of the underlying modes have occasionally been mentioned by critics. There have also been casual attributions of mode which do not stand up under systematic examination and are misleading. The underlying mode affects so many aspects of a novel's form that this approach would seem to provide a useful tool for novel criticism.<p

    Polymorphism of sheep MHC Class IIb gene TAPASIN

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    The Major Histocompatibility Complex (MHC) is one of the most gene dense regions in the genome and studies in several species have shown significant associations between the MHC and disease. The endoplasmic reticular glycoprotein, tapasin, is involved in the MHC class I antigen presentation pathway. Sheep TAPASIN is located in the class IIb region of the MHC. Sheep TAPASIN was subcloned from BAC and cosmid genomic clones and DNA sequenced. TAPASIN is 9549 bp in length and encodes a protein of 447 amino acids. The structure of sheep TAPASIN was similar to other mammals and consisted of eight exons with a distinctively larger intron between exon three and four. Sheep TAPASIN gene had high sequence identity with other mammalian TAPASINs. The TAPASIN gene sequence is conserved across many mammalian species and is possibly maintained through purifying selection with the average ratio of ds/dn of 3.9. Twenty-six SNPs in sheep TAPASIN were identified

    The Impact of Co-Produced Mental Health Training for Paramedics

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    The focus of this work was to explore the impact of a week of mental health training cocreated and co-delivered by Peer Specialists, Mental Health Professionals, Paramedics and Paramedic Lecturers and Students. To explore if it could change the approach and build the confidence of paramedic students to supporting people with mental health problems. Traditionally paramedic students had a placement where they sat with a mental health team for a week, however people's experience varied and did not appear to have much value for some. By co-creating a programme with people who had access paramedic and ambulance services it was hypothesised that the paramedic students would get a more comprehensive understanding of their role, what they can offer people and have an increased understanding of a range of mental health experiences

    open-UST: An Open-Source Ultrasound Tomography Transducer Array System

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    Fast imaging methods are needed to promote widespread clinical adoption of Ultrasound Tomography (UST), and more widely available UST hardware could support the experimental validation of new measurement configurations. In this work, an open-source 256-element transducer ring array was developed (morganjroberts.github.io/open-UST) and manufactured using rapid prototyping, for only £2k. Novel manufacturing techniques were used, resulting in a 1.17° mean beam axis skew angle, a 104 μm mean element position error, and a ±13.6 μm deviation in matching layer thickness. The nominal acoustic performance was measured using hydrophone scans and watershot data, and the 61.2 dB SNR, 55.4° opening angle, 10.2 mm beamwidth and 54% transmit-receive bandwidth (-12 dB), were found to be similar to existing systems, and compatible with state of the art full-waveform-inversion image reconstruction methods. The inter-element variation in acoustic performance was typically <10% without using normalisation, meaning that the elements can be modelled identically during image reconstruction, removing the need for individual source definitions based on hydrophone measurements. Finally, data from a phantom experiment was successfully reconstructed. These results demonstrate that the open-UST system is accessible for users, and suitable for UST imaging research

    The Iowa Homemaker vol.7, no.1

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    Table of Contents Modern Dress – Controversial Article, page 1 What’s In a Name? by Marcia E. Turner, page 2 Helps for the Spring Market Basket by Margaret L. Marnette, page 3 Lacquer for Ktichen Tables by Della J. Norton, page 3 A Pressure or a Fireless Cooker – Which? by Ethel Cessna Morgan, page 4 4-H Page, page 6 Iowa State Home Economics Association Page, page 8 News Notes, page 10 Editorial, page 11 Who’s There and Where, page 12 The Children’s Hour by Mary E. Moser, page 14 Hammer, Saw, Paint Brush and Nerve by Eleanor Baur, page 15 Had Your Iron Today?, page 1
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