1,067 research outputs found

    Paperless assessment via VLE: the pros and the cons

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    The aim of this short paper is to share our experience of paperless assessment using the submission facility provided in the Blackboard Virtual Learning Environment (VLE). An important part of a tutorā€™s work is monitoring and assessing studentsā€™ work on modules of study, in order to measure progress and attainment. Assessment may be continuous throughout the module to help students progress by providing feedback on their learning, or it may be a final summative examination to measure attainment at the end of the module. Most modules make use of a combination of the two types of assessment. In the Research and Information Technology Skills (RITS) module in Salford Business School, we have endeavoured to use the Blackboard VLE to manage a portfolio of continuous assessment exercises and a final summative examination. This Level 1 module comprises activities to develop Information Communication Technology (ICT) and research skills, and is an important foundation for new students, both to encourage good study habits and to ensure that a minimum level of expertise in skills is achieved. Student numbers on this module were about 40 this year

    Afterword: \u27A Wrong-Resenting People\u27: Writing Insurrectionary Scotland

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    A broadranging review of conflictual events in Scottish history from the late 17th to the early 20th centuries, exploring attitudes towards protest or insurrection, both on the part of the protesters and of the local and central governmental authorities, arguing for the value of interdisciplinary research on the sources, and providing references for literary students to some of the relevant historical scholarship

    Counting the ā€˜Cavaliersā€™:Two Contemporary Analyses of the Political Wing of the Scots Jacobite Underground in the Union Parliament<sup>1</sup>

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    Underground movements are understandably reluctant to record the names and numbers of their adherents because any such compilation is manifestly a hostage to fortune. Hence very few lists of politically active Jacobites actually compiled by the Jacobites themselves have survived to the present day. In the French foreign ministry archives at La Corneille, however, there is a rare and previously unknown/unused example of such a list. ā€˜The Rolls of Parliament as they standā€™, is a classic printed, marked list of all the lords entitled to sit in, and commissioners elected to, Queen Anne's Union Parliament. It identifies the political allegiances of the great majority of the sitting commissioners and peers, and in particular the Jacobites among them. Rather better known, yet hitherto seldom consulted or used, is a debriefing document describing the political alignment of a great many of those in parliament and the general political inclination of their constituents written by Captain Harry Straton for the Jacobite King James III and VIII in August 1706. These two sources are the basis of the analysis that follows. The focus is on what these two Jacobite analyses of the state of Scotland and Scottish politics can tell us about the political dynamics of the Scottish Parliament and the country more broadly on the eve of the Union debates.</p

    Probing for Binding Regions of the FtsZ Protein Surface through Site-Directed Insertions: Discovery of Fully Functional FtsZ-Fluorescent Proteins

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    FtsZ, a bacterial tubulin homologue, is a cytoskeletal protein that assembles into protofilaments that are one subunit thick. These protofilaments assemble further to form a ā€œZ ringā€ at the center of prokaryotic cells. The Z ring generates a constriction force on the inner membrane and also serves as a scaffold to recruit cell wall remodeling proteins for complete cell division in vivo. One model of the Z ring proposes that protofilaments associate via lateral bonds to form ribbons; however, lateral bonds are still only hypothetical. To explore potential lateral bonding sites, we probed the surface of Escherichia coli FtsZ by inserting either small peptides or whole fluorescent proteins (FPs). Among the four lateral surfaces on FtsZ protofilaments, we obtained inserts on the front and back surfaces that were functional for cell division. We concluded that these faces are not sites of essential interactions. Inserts at two sites, G124 and R174, located on the left and right surfaces, completely blocked function, and these sites were identified as possible sites for essential lateral interactions. However, the insert at R174 did not interfere with association of protofilaments into sheets and bundles in vitro. Another goal was to find a location within FtsZ that supported insertion of FP reporter proteins while allowing the FtsZ-FPs to function as the sole source of FtsZ. We discovered one internal site, G55-Q56, where several different FPs could be inserted without impairing function. These FtsZ-FPs may provide advances for imaging Z-ring structure by superresolution techniques. IMPORTANCE One model for the Z-ring structure proposes that protofilaments are assembled into ribbons by lateral bonds between FtsZ subunits. Our study excluded the involvement of the front and back faces of the protofilament in essential interactions in vivo but pointed to two potential lateral bond sites, on the right and left sides. We also identified an FtsZ loop where various fluorescent proteins could be inserted without blocking function; these FtsZ-FPs functioned as the sole source of FtsZ. This advance provides improved tools for all fluorescence imaging of the Z ring and may be especially important for superresolution imaging

    Atomic oxygen effects on boron nitride and silicon nitride: A comparison of ground based and space flight data

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    The effects of atomic oxygen on boron nitride (BN) and silicon nitride (Si3N4) were evaluated in a low Earth orbit (LEO) flight experiment and in a ground based simulation facility. In both the inflight and ground based experiments, these materials were coated on thin (approx. 250A) silver films, and the electrical resistance of the silver was measured in situ to detect any penetration of atomic oxygen through the BN and Si3N4 materials. In the presence of atomic oxygen, silver oxidizes to form silver oxide, which has a much higher electrical resistance than pure silver. Permeation of atomic oxygen through BN, as indicated by an increase in the electrical resistance of the silver underneath, was observed in both the inflight and ground based experiments. In contrast, no permeation of atomic oxygen through Si3N4 was observed in either the inflight or ground based experiments. The ground based results show good qualitative correlation with the LEO flight results, indicating that ground based facilities such as the one at Los Alamos National Lab can reproduce space flight data from LEO

    A comparison of ground-based and space flight data: Atomic oxygen reactions with boron nitride and silicon nitride

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    The effects of atomic oxygen on boron nitride (BN) and silicon nitride (Si3N4) have been studied in low Earth orbit (LEO) flight experiments and in a ground-based simulation facility at Los Alamos National Laboratory. Both the in-flight and ground-based experiments employed the materials coated over thin (approx 250 Angstrom) silver films whose electrical resistance was measured in situ to detect penetration of atomic oxygen through the BN and Si3N4 materials. In the presence of atomic oxygen, silver oxidizes to form silver oxide, which has a much higher electrical resistance than pure silver. Permeation of atomic oxygen through BN, as indicated by an increase in the electrical resistance of the silver underneath, was observed in both the in-flight and ground-based experiments. In contrast, no permeation of atomic oxygen through Si3N4 was observed in either the in-flight or ground-based experiments. The ground-based results show good qualitative correlation with the LEO flight results, thus validating the simulation fidelity of the ground-based facility in terms of reproducing LEO flight results

    Design and Analysis of a Temperature Control System

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    Struggling to be Fit: Identity, Integrity, and the Law

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    This interdisciplinary co-authored Analysis piece introduces identity and integrity, which are argued to sit at the core of the person. It analyses approaches taken to these concepts by legal regimes, particularly in the context of individuals using artificial limbs or digital avatars. The piece concludes that law engages with identity and integrity to a limited and incomplete extent; and that law is thus inadequate in its engagement with the person, and its meaning making in this respect. This piece draws on two interdisciplinary funded projects, funded by the Wellcome Trust and the Arts and Humanities Research Council
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