6,854 research outputs found

    Long-term outcome of MacIntosh reconstruction of chronic anterior cruciate ligament insufficiency using fascia lata.

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    The purpose of this study was to assess the long-term outcome of the MacIntosh lateral-substitution over-the-top anterior cruciate ligament (ACL) reconstruction in 82 patients (84 knees) at an average follow-up of 9.8 years. In this retrospective cohort study patients were evaluated with subjective questionnaires and by clinical and radiographic examination. Using the Lysholm score, 17 knees were rated excellent, 35 good, 19 fair, and 13 poor. The pivot shift test was negative in 74 patients. Altogether, 30 knee radiographs were evaluated. The mean Hospital for Special Surgery ACL radiographic score was 20.9. There was a non-significant association between the radiographic score and the Lysholm score and between a worsening radiographic score and increasing time from injury. The MacIntosh lateral-substitution over-the-top ACL reconstruction shows results comparable to those of previously reported long-term studies. Although endoscopically assisted intraarticular reconstructions with faster rehabilitation protocols have now become popular, this procedure may be considered in patients needing an intra- and extraarticular reconstruction in whom cosmesis is not an issue

    Corby, V. 'Spectacularly missing the point' in Baker, S. Plaques and Tangles.

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    This short text is one of six commissioned commentaries commissioned by artist and art historian Steve Baker. This short essay responds to 'Plaques and Tangles' an ongoing series of photographic works, collected for an artist's book, made by Baker in response to his January 2023 diagnosis with Posterior Cortical Atrophy, a rare form of dementia

    Infinitely repeated games with public monitoring and monetary transfers

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    This paper studies infinitely repeated games with imperfect public monitoring and the possibility of monetary transfers. It is shown that all public perfect equilibrium payoffs can be implemented with a simple class of stationary equilibria that use stick-and-carrot punishments. A fast algorithm is developed that exactly computes the set of pure strategies equilibrium payoffs for all discount factors

    Discourellidae Baker & Wharton 1952

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    Discourellidae Baker & Wharton, 1952 <p>Discourellidae Baker & Wharton, 1952: 110.</p> <p> Protouropodidae Trägårdh, 1941: 356 (unavailable name). Type genus <i>Discourella</i> Berlese, 1910: 378, by original designation.</p> <p> <b>Notes.</b> Protouropodidae Trägårdh, 1941 is not an available family name because it is not based on the name of a valid genus (ICZN, Article 11.7.1.1).</p>Published as part of <i>Halliday, R. B., 2016, Catalogue of families and their type genera in the mite suborder Uropodina (Acari: Mesostigmata), pp. 347-366 in Zootaxa 4061 (4)</i> on page 353, DOI: 10.11646/zootaxa.4061.4.2, <a href="http://zenodo.org/record/259719">http://zenodo.org/record/259719</a&gt

    Assessment of the statistical relevance of TR-PIV datasets

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    The increasing interest for high repetition rate global optical measurement techniques such as Time-Resolved Particle Image Velocimetry (TR-PIV) raises a number of questions concerning their ability to provide relevant statistical and spectral quantities. In an effort to address this issue, complementary TR-PIV and Laser Doppler Velocimetry (LDV) measurements have been carried out. An application to the analysis of the detached flow over a NACA 0015 airfoil at a Reynolds number Re=105 in a water tunnel is proposed

    The worldwide status of phasmids (Insecta: Phasmida) as pests of agriculture and forestry, with a generalised theory of phasmid outbreaks

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    © 2015 Baker. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http:// creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/ zero/1.0/) applies to the data made available in this article, unless otherwise stated. The file attached is the published version of the article.NHM Repositor

    Kustverdediging na 1990 (Kustnota 1990): Technisch rapport 11: Strand en duinsuppleties

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    In Technisch Rapport 11 (TR 11) wordt een overzicht gegeven van de strand- en duinsuppleties, welke ter compensatie van kusterosie zijn uitgevoerd. In 1988 is het "Handboek zandsuppleties" uitgegeven. Hierin is een schat van gegevens verzameld over het desbetreffende onderwerp. Dit rapport voorziet in een aanvulling op het handboek, met meer recente gegevens. Overlapping van dit rapport met het handboek is zoveel mogelijk vermeden. Naast de aanvulling wordt ingegaan op de levensduur van suppleties en wordt een eerste aanzet gegeven om een puur economische afweging te maken tussen zandsuppleties, die nu een belangrijke maatregel bij kustverdediging zijn, en de bouw van strandhoofden, wat in het verleden een belangrijke maatregel geweest is. Zand wordt met grote drijvende werktuigen relatief goedkoop, als zandwatermengsel, verplaatst. Een netto-verplaatsing van 200.000 tot 500.000 kubieke meter zand per werktuig, per werkweek is haalbaar. Naarmate het zand hoger en verder op de oever gebracht wordt nemen de kosten toe.Kustnot

    A Preliminary Statistical Investigation into the impact of an N-Gram Analysis Approach based on Word Syntactic Categories toward Text Author Classification

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    Quantitative analysis of literary style has heretofore utilized semantic elements-word counts. This research attempts to identify quantifiable syntactic elements of style that can be used for author identification. The measurement of syntactic elements utilizes a dictionary with one part of speech per word and looks at phrases delimited by punctuation marks. Different size permutations of words - referred to as grams - are counted within each text. Correlations are measured amongst the gram frequencies of eight texts pertaining to four authors, both contemporary and non-contemporary. The correlations are performed across different gram sizes of words. The same treatment is applied to a target text, the Funeral Elegy text. The approach holds for classifying texts temporally consistently across the various gram sizes. Yet a finer grained investigation is required to certify the authorship of the Funeral Elegy text. (Also cross-referenced as UMIACS-TR-2000-39, LAMP-TR-046

    Dominant-negative mutant thyroid hormone receptors prevent transcription from Xenopus thyroid hormone receptor beta gene promoter in response to thyroid hormone in Xenopus tadpoles in vivo

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    We describe a dominant-negative approach in vivo to assess the strong, early upregulation of thyroid hormone receptor beta (TR beta) gene in response to thyroid hormone, characteristic of the onset of natural and thyroid hormone-induced amphibian metamorphosis, 3,3',5-Triiodothyronine (T-3) treatment of organ cultures of premetamorphic Xenopus tadpole tails coinjected in vivo with the wild-type Xenopus TR beta (wt-xTR beta) and three different thyroid responsive element chloramphenicol acetyltransferase (TRE-CAT) reporter constructs, including a direct repeat +4 (DR +4) element in the -200/+87 fragment of the xTR beta promoter, resulted in a 4- to 8-fold enhancement of CAT activity, Two human C-terminal TR beta 1 mutants (Delta-hTR beta 1 and fs-hTR beta 1), an artificial Xenopus C-terminal deletion mutant (mt-xTR beta), and the oncogenic viral homolog v-erbA none of which binds T-3, inhibited this T-3 response of the endogenous wt-xTR in Xenopus XTC-2 cells cotransfected with the -1600/+87 xTR beta promoter-CAT construct, the potency of the dominant-negative effect of these mutant TRs being a function of the strength of their heterodimerization with Xenopus retinoid X receptor gamma, Coinjection of the dominant-negative Xenopus and human mutant TR beta s into Xenopus tadpole tails totally abolished the T-3 responsiveness of the wt-xTR beta with different TREs, including the natural DR +4 TRE of the xTR beta promoter

    pmTR database: Population matched (pm) germline allelic variants of T-cell receptor (TR) loci

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    The IMGT database profiles the TR germline alleles for all four TR loci (TRA, TRB, TRG and TRD), however, it does not comprise of the information regarding population specificity and allelic frequencies of these germline alleles. The specificity of allelic variants to different human populations can, however, be a rich source of information when studying the genetic basis of population-specific immune responses in disease and in vaccination. Therefore, we meticulously identified true germline alleles enriched with complete TR allele sequences and their frequencies across 26 different human populations, profiled by “1000 Genomes data”. We identified 205 TRAV, 249 TRBV, 16 TRGV and 5 TRDV germline alleles supported by at least four haplotypes. The diversity of germline allelic variants in the TR loci is the highest in Africans, while the majority of the Non-African alleles are specific to the Asian populations, suggesting a diverse profile of TR germline alleles in different human populations. Interestingly, the alleles in the IMGT database are frequent and common across all five super-populations. We believe that this new set of germline TR sequences represents a valuable new resource which we have made available through the new population-matched TR (pmTR) database, accessible via https://pmtrig.lumc.nl/.Pattern Recognition and Bioinformatic
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