20 research outputs found

    Phase Separation of Rigid-Rod Suspensions in Shear Flow

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    We analyze the behavior of a suspension of rigid rod-like particles in shear flow using a modified version of the Doi model, and construct diagrams for phase coexistence under conditions of constant imposed stress and constant imposed strain rate, among paranematic, flow-aligning nematic, and log-rolling nematic states. We calculate the effective constitutive relations that would be measured through the regime of phase separation into shear bands. We calculate phase coexistence by examining the stability of interfacial steady states and find a wide range of possible ``phase'' behaviors.Comment: 23 pages 19 figures, revised version to be published in Physical Review

    Fine-Scale Mapping of the 5q11.2 Breast Cancer Locus Reveals at Least Three Independent Risk Variants Regulating MAP3K1

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    Amalgamation Collaborative Burn Sculpture 02

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    Amalgamation is the collaborative sculpture built by the Introduction to Studio class at Linfield College during the 2017 January term. On April 21, 2017, the sculpture was burned to the ground in the field west of Miller Fine Arts. The Introduction to Studio class included peer assistant Jasmine Fojas and students Shelby Erickson, Emma Gomes, Liu Chen, Erin Moller, Bailey Morales, Mary Moriarty, Rachelle Ouye, Nathan Pierce, Bryan (Bruce) Satterwhite, Danyel Walling, and Haley Williamson. Artist\u27s Statement Life is a lot like a Mulligan stew with people contributing numerous different herbs, spices, vegetables, and assorted meats to the pot to create something new that everyone can enjoy. Same can be applied to works of art, namely this great and wonderous chaotic mess of art. From the variety of structural design with a simple box and chess piece entries, a hexagonal tower akin to a medieval castle, and a great crown on the very top, to the tremendous variety in artistic paintings and design scattered about both inside and out, featuring vibrant colors that appeal to the eye and astonishingly intricate images for all to enjoy. While many projects falling under the control of the group (collaboration) denote themselves to a single theme, we gave ourselves permission to reject a singular idea and rather decided to let imagination run free and rampant, giving birth towards something magnanimously wonderful. Behold the Amalgamation of Imagination!https://digitalcommons.linfield.edu/avcstud_collab/1173/thumbnail.jp

    The relationship between tics, OC, ADHD and autism symptoms : A cross-disorder symptom analysis in Gilles de la Tourette syndrome patients and family-members

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    Gilles de la Tourette's syndrome (GTS) is a disorder in which obsessive-compulsive (OC), Attention Deficit Hyperactivity Disorder (ADHD) and autism symptoms occur in up to 60% of patients, suggesting shared etiology. We explored the phenotypic structure of tic, OC, ADHD, and autism symptoms as measured by the YGTSS,Y-BOCS,CAARS and AQ, in 225 GTS patients and 371 family members. First, Confirmatory Factor Analyses (CFA) were performed on the symptom structure of each separate symptom scale. Second, the symptom dimensions derived from each scale were combined in one model, and correlations between them were calculated. Using the correlation matrix, Exploratory Factor Analyses (EFA) were performed on the symptom dimensions across the scales. EFA revealed a five factor structure: tic/aggression/symmetry; OC symptoms/compulsive tics/ numbers and patterns; ADHD symptoms; autism symptoms; and hoarding/inattention symptoms. The results are partly in line with the traditional categorical boundaries of the symptom scales used, and partly reveal a symptom structure that cuts through the diagnostic categories. This phenotypic structure might more closely reflect underlying etiologies than a structure that classically describes GTS patients according to absence or presence of comorbid OCD, ADHD and autism, and might inform both future genetic and treatment studies

    The relationship between tics, OC, ADHD and autism symptoms : A cross-disorder symptom analysis in Gilles de la Tourette syndrome patients and family-members

    No full text
    Gilles de la Tourette's syndrome (GTS) is a disorder in which obsessive-compulsive (OC), Attention Deficit Hyperactivity Disorder (ADHD) and autism symptoms occur in up to 60% of patients, suggesting shared etiology. We explored the phenotypic structure of tic, OC, ADHD, and autism symptoms as measured by the YGTSS,Y-BOCS,CAARS and AQ, in 225 GTS patients and 371 family members. First, Confirmatory Factor Analyses (CFA) were performed on the symptom structure of each separate symptom scale. Second, the symptom dimensions derived from each scale were combined in one model, and correlations between them were calculated. Using the correlation matrix, Exploratory Factor Analyses (EFA) were performed on the symptom dimensions across the scales. EFA revealed a five factor structure: tic/aggression/symmetry; OC symptoms/compulsive tics/ numbers and patterns; ADHD symptoms; autism symptoms; and hoarding/inattention symptoms. The results are partly in line with the traditional categorical boundaries of the symptom scales used, and partly reveal a symptom structure that cuts through the diagnostic categories. This phenotypic structure might more closely reflect underlying etiologies than a structure that classically describes GTS patients according to absence or presence of comorbid OCD, ADHD and autism, and might inform both future genetic and treatment studies
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