36 research outputs found
Thin-Film Metamaterials called Sculptured Thin Films
Morphology and performance are conjointed attributes of metamaterials, of
which sculptured thin films (STFs) are examples. STFs are assemblies of
nanowires that can be fabricated from many different materials, typically via
physical vapor deposition onto rotating substrates. The curvilinear--nanowire
morphology of STFs is determined by the substrate motions during fabrication.
The optical properties, especially, can be tailored by varying the morphology
of STFs. In many cases prototype devices have been fabricated for various
optical, thermal, chemical, and biological applications.Comment: to be published in Proc. ICTP School on Metamaterials (Augsut 2009,
Sibiu, Romania
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IndiceCopia digital. Madrid : Ministerio de Educación, Cultura y Deporte. Subdirección General de Coordinación Bibliotecaria, 2016Lugar de publicación tomado de privilegio de impresión en v. de port.Marca de Gilles de Gourmont en v. de sign. []4Fecha tomada del colofón en v de h. LXXXVSign. tip.: []4, a8, b4, c8, d-s4, t6Port. con grab. xil. representando la ConsagraciónApost. marg.Iniciales decoradas con motivos vegetale
The Grizzly, May 4, 1984
Sir Thomson to Speak at Commencement • Changes to Take Place in Student Life Office • Yatsko Wins Fellowship • UC Hosts USWLA Championship • Professor with the Quiet Manner: George Storey Retires From English • UC Students Attend Model UN • Chamber Groups to Perform • Work Snarls Traffic on Bridge • A Legend Retires as Pancoast Leaves • Union Pub a Hit • Solution for a Printing Crisis • Letters to the Editor: Suggestions for Social Life • Standeven Wins Chemistry Award • \u2784 Ruby Orders Being Taken Now • Play Simon Sez With Bobby Gold • 3 Seniors Land Top Accounting Jobs • Post Graduation Plans for Class of 1984 • Tursi Goes to Scotland • UC Discovers Charm of Trivial Pursuit • Language Honor Society Forms Local Chapter • Richter Announces Death of Dr. Rice • Students Debate Deployment of Missiles • Ursinus, A Well Kept Secret • Forum Relieves Tension • Shiatsu Cures Stress • UC Poet Writes About Amish • Final Exam Schedule Posted • Men\u27s Lacrosse Reaches Turning Point • Men\u27s Tennis Beats Wilkes, Loses to Mules • Greek Week Reveals Student Spirit • Gasser Named New Basketball Coach • Men\u27s Track Wins 2, Drop 1 for 7-3 Record • UC Fencers Place in Tournament • Softball at 14-3 • UC Field Hockey to Visit Europe • Jamison Breaks Recordhttps://digitalcommons.ursinus.edu/grizzlynews/1118/thumbnail.jp
Morphological Features Accompanying Neural Differentiation of Neuroblastoma (N-2A) Induced by Media Serum Availability
Reduction of Risk Factors for ACL Re-injuries using an Innovative Biofeedback Approach: Rationale and Design
Nearly 1 in 60 adolescent athletes will suffer anterior cruciate ligament (ACL) injuries with 90% of these athletes electing to undergo an ACL reconstruction (ACLR) at an estimated annual cost of $3 billion. While ACLR and subsequent rehabilitation allow these athletes to return to sports, they have a 15-fold increased risk of second ACL injuries. The modification of post-operative rehabilitation to improve movement and loading symmetry using visual and tactile biofeedback could decrease the risk factors for sustaining a second ACL injury. Participants included 40 adolescent ACLR patients who were intending to return to full sport participation. This preliminary randomized controlled trial (RCT) examined the changes in knee extension moment symmetry, a known risk factor for second ACL injuries, during landing from a stop-jump task between the following time-points: pre-intervention, immediate post-intervention, and subsequent follow-up 6-weeks post-intervention. Participants met twice per week for six-weeks (12-session). The intervention included bilateral squat biofeedback (visual and tactile); the attention control group attended weekly educational sessions. This RCT enrolled and randomize 40 participants over a two-and-a-half-year period. All participants were greater than 4.5 months post-op from a primary, unilateral ACLR and were released to participate by their treating physician. The findings from this pilot biofeedback RCT will provide critical effect size estimates for use in subsequent larger clinical trials
© 2007 Johanson et al; licensee BioMed Central Ltd. Background
Reduced CSF formation in chronic hydrocephalus (NPH) prompts the question of how the expression of choroid epithelial transporters is altered when flow is disrupted. In the Kaolin model of communicating hydrocephalus, we previously demonstrated that choroid plexus chloride transport (proportional to CSF production) is significantly decreased [1]. To investigate the expression of other choroidal transporters that effect CSF homeostasis, we have now analyzed the time course of LRP-1 expression in the plexus at various stages of hydrocephalus. LRP-1 is a transporter that mediates efflux of A-Beta peptide from the CSF. We postulate that LRP-1 in choroid plexus has a key absorptive role that stabilizes A-Beta in the CNS. Materials and methods In 15 Sprague-Dawley (SD) rats at 12 mo of age, w
Environmental Epidemiology
Rationale: Hawai'i has the highest prevalence of nontuberculous mycobacterial (NTM) pulmonary disease in the United States. Previous studies indicate that certain trace metals in surface water increase the risk of NTM infection. Objective: To identify whether trace metals influence the risk of NTM infection in O'ahu, Hawai'i. Methods: A population-based ecologic cohort study was conducted using NTM infection incidence data from patients enrolled at Kaiser Permanente Hawai'i during 2005-2019. We obtained sociodemographic, microbiologic, and geocoded residential data for all Kaiser Permanente Hawai'i beneficiaries. To estimate the risk of NTM pulmonary infection from exposure to groundwater constituents, we obtained groundwater data from three data sources: (1) Water Quality Portal; (2) the Hawai'i Department of Health; and (3) Brigham Young University, Department of Geological Science faculty. Data were aggregated by an aquifer and were associated with the corresponding beneficiary aquifer of residence. We used Poisson regression models with backward elimination to generate models for NTM infection risk as a function of groundwater constituents. We modeled two outcomes: Mycobacterium avium complex (MAC) species and Mycobacterium abscessus group species. Results: For every 1-unit increase in the log concentration of vanadium in groundwater at the aquifer level, infection risk increased by 22% among MAC patients. We did not observe significant associations between water-quality constituents and infection risk among M. abscessus patients. Conclusions: Concentrations of vanadium in groundwater were associated with MAC pulmonary infection in O'ahu, Hawai'i. These findings provide evidence that naturally occurring trace metals influence the presence of NTM in water sources that supply municipal water systems.NSF [1915277]; Padosi Foundation; Division of Intramural Research, NIAID; NIEHS/DNTP; NIMHD; Intramural Research Program of the National Institute of Allergy and Infectious DiseasesPublished versionThis work was supported by NSF award 1915277 for JPF; the Padosi Foundation for J.R.H., Y.G.D., T.B.F., S.H.; the Division of Intramural Research, NIAID for E.M.L., R.A.M., R.A.B., D.R.P.; intramural funds from NIEHS/DNTP and NIMHD for K.P.M. Authors receive funding to support open access publishing. The water-quality dataset and the R code for the analysis are available from the first author. The patient dataset cannot be made publicly available due to unique identifiers in the data. This work was supported [in part] by the Intramural Research Program of the National Institute of Allergy and Infectious Diseases
