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and 2 collaborators
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Giant anterior sacral meningocele repaired through a posterior approach.
and 3 collaborators
Anterior sacral meningoceles are rare forms of spinal dysraphism produced by herniation of the thecal sac through a bone defect in the anterior sacral wall. The patients may remain asymptomatic or present with nonspecific symptoms such as long-term constipation, urinary dysfunction, lower back pain, or perineal hypoalgesia These lesions are difficult to diagnose without a strong suspicion due to the multiple range of nonspecific symptoms such as low lumbar pain, obstetric problems, and bowel and bladder difficulties. Special care should be taken in order to avoid erroneous diagnoses that may expose the patient to unnecessary surgical procedures. Because these lesions usually do not regress spontaneously, surgical treatment is mandatory for symptomatic or growing masses. The dural defect can be repaired with a variety of anterior transabdominal or posterior transsacral approaches. We present the case of a 82-year-old female patient with a giant anterior sacral meningocele that was initially confused with various entities such as inguinal hernia and an ovarian cyst. Once the anterior sacral meningocele was conffirmed through a MRI-scan she was successfully treated using a posterior transsacral approach. We present a brief review of the current literature and discuss the surgical treatment options.
Keywords: Anterior sacral meningocele, posterior approach, abdominal pain.
Nara Desert, Pakistan
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A Moral Imperative: Open Science in the Ebola Crisis
and 3 collaborators
Last June, a dedicated global team of Ebola researchers began an ambitious project to track the virus using large-scale genome sequencing. Their research, published June 18 in Cell, reveals critical information about how the virus traveled and spread over seven months of the recent Ebola outbreak.
The team, which included researchers from over a dozen institutions, made a conscious decision to pursue Open Science practices for this project.
One choice they made was to write their paper on Authorea, a new science editing and publishing website.
The full working version of the paper is now available to the public on Authorea. By using the “History” feature, readers can get a behind-the-scenes look at how the research came together, including every edit and change from the writing process.
“When we were kicking off the study, we discussed how much we would open up what we’re doing,” said co-lead author Danny Park. “Our team comes out of the Human Genome Project, so culturally we come from the open science ’put everything out there’ background. And especially in this kind of emergency situation there’s a moral imperative” to publish the data openly and quickly, he said.
The team chose Authorea in order to make the writing process transparent. Authorea’s History feature allows the public to view every change made during the writing process. Because key technical sentences were revised and words chosen carefully over time, the evolution of the document can be educational, said Dr. Park.
Authorea was just one of many tools used by the research team to publish their work as quickly and openly as possible. The team:
Published their raw genome data to the GenBank database and Virological.org online forum as soon as it was collected, so that other research teams could use and discuss the data immediately
Released demographic and clinical metadata on a special website to enable other researchers to spot important trends
Set up a new website to gather and visualize data from multiple research groups
Published a Comment in Nature strongly advocating open sharing of data during this and future outbreaks
Chose Authorea as a platform to write and edit their draft manuscript, allowing readers to view the writing process with full transparency
Published their article as fully Open Access in Cell
“One of the most rewarding aspects of working in this outbreak response is the connections we have made with so many extraordinary individuals through open data sharing”, said senior author Pardis Sabeti.
The goal of Open Science principles is to produce stronger, more reproducible, transparent scientific results as quickly as possible. It’s a virtuous circle: openness begets collaboration begets more openness. And in a serious outbreak like the recent Ebola epidemic, more open research can quite literally save lives.
About Authorea:
Authorea is an online word processor that makes research writing and publishing faster and easier. Created by scientists, for scientists, Authorea encourages and supports Open Science, transparency, and collaboration.
With over 41000 users and a weekly growth rate that has doubled in the past nine months, Authorea is currently the fastest-growing science publishing platform in the world.
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Key author contacts
Danny Park: [email protected]
(*Out of date*) On the Fluxes and Rates of Fast Radio Bursts
The “fast radio burst” (FRB) is a new class of transient found in a variety of single-dish pulsar surveys \citep{2007Sci...318..777L,2011MNRAS.415.3065K,2013Sci...341...53T,2014arXiv1404.2934S}. FRBs are identified by their large dispersion measure (DM), which has been observed as high as 1100 pc cm−3, an order of magnitude larger than expected from the Galaxy. The simplest explanation for this large DM is that the bursts are dispersed by the intergalactic medium (IGM), implying that they originate at distances up to z∼1.
If FRBs are cosmological, then they could be used to probe the intergalactic medium and study processes for their formation \citep[e.g., double neutron star mergers][]{2013PASJ...65L..12T}. However, terrestrial phenomena known as perytons have been discovered at the same telescopes finding FRBs \citep{2011ApJ...727...18B}. Perytons are impulsive radio transients with a width of tens of ms and an apparent DM of a few hundred, partially overlapping with characteristics expected of extragalactic radio transients. \citet{2014arXiv1402.4766K} suggest that perytons and FRBs are the same, terrestrial process seen in different optical regimes of the telescopes. It will be critical to distinguish these populations to be certain that FRBs are are astrophyiscal.
One way to understand their nature is to build statistical tests... Euclidean distribution... Rate constraint for future observing campaigns...
We are in the midst of a large survey with the Karl G. Jansky Very Large Array (VLA) to detect an FRB \citep[results in][]{law2014a}. The nondetection in that survey inspired us to reanalyze published rates in an attempt to make a reliable prediction for FRB rates for any given survey. Here, we present our estimate of the apparent flux distribution of FRBs to determine if they are consistent with an astrophysical population. We then use a Bayesian technique to estimate the FRB rate for a given telescope flux limit.
The Linked Paleo Data framework: a common tongue for paleoclimatology
and 1 collaborator
Paleoclimatology is a highly collaborative scientific endeavor, increasingly reliant on online databases for data sharing. Yet, there is currently no universal way to describe, store and share paleoclimate data: in other words, no standard. Data standards are often regarded by scientists as mere technicalities, though they underlie much scientific and technological innovation, as well as facilitating collaborations between research groups. In this article, we propose a preliminary data standard for paleoclimate data, general enough to accommodate all the proxy and measurement types encountered in a large international collaboration (PAGES2K). We also introduce a vehicle for such structured data (Linked Paleo Data, or LiPD), leveraging recent advances in knowledge representations (Linked Open Data).
The LiPD framework enables quick querying and extraction, and we expect that it will facilitate the writing of open-source, community codes to access, analyze, model and visualize paleoclimate observations. We welcome community feedback on this standard, and encourage paleoclimatologists to experiment with the format for their own purposes.
Transferability Study of Video Tracking Optimization for Traffic Data Collection and Analysis
and 3 collaborators
Informe Final SIN IMAGENES Química de Superficies y Coloides Licenciatura en Química FCE-UNLP
and 3 collaborators
El presente informe, resume los distintos trabajos experimentales realizados durante el curso de Quimica de Superficies y Coloides, de la Licenciatura en Quimica, de la Facultad de Ciencias Exactas, UNLP. En la asignatura, se nos consignó reproducir algunos trabajos publicados en el Journal of Chemical Education1, a fin de abordar un tópico de actualidad científica y cercano, a su vez, al trabajo de grado. Una vez seleccionados los trabajos, se debió planificar qué técnicas se iban a aplicar a cada sistema, en función de sus características. Es sabido que no todo trabajo publicado es perfectamente reproducible: Las condiciones y/o variables que afectan a un sistema no siempre son perfectamente conocidas o identificadas, debido a que ciertos tópicos no pueden abundar en los detalles de experiencias ya descriptos en otros trabajos, o se omiten por causas varias. Esto, sin lugar a dudas, creó la incertidumbre que motivó la búsqueda bibliográfica complementaria y constituyó gran parte del interés (posteriormente desarrollado) en la comprensión del sistema de estudio.
http://pubs.acs.org/journal/jceda8↩
Design of a Silicon based Mach-Zehnder Interferometer and Two-stage optical filter
This design proposal is about the study of an optical device known as the Mach-Zehnder interferometer (MZI) via simulation and to verify its operation experimentally. The device will be fabricated using Silicon over Insulator (SOI) technology. These types of interferometers are commonly employed in telecommunications applications such as switches, modulators and filters. Also, in sensing applications, MZI’s are commonly employed to allow one of the arms of a interferometer to interact with an analyte via a waveguide’s evanescent field.
In this draft design, two devices were chosen. The first is a simple MZI with different path length differences ΔL. An explanation of a MZI operation is thus presented. The second device is a basic filter based on two cascaded interferometers. Also, the basic theory of a lossless two stage MZI filter is presented. Here in this report simulations in terms of optical component and circuit device are shown, which later on will be compared with experimental results after device fabrication.
Dissertation Proposal: Molecular Insight into How Nanocrystals are Grown to Specific Shapes
Research objective
A COMMON OPERATION METRICS FOR STORAGE RING LIGHT SOURCES
and 6 collaborators
Storage ring light sources aim for a high operation reliability. Very often the beam availability is used as the operation metrics to measure the reliability of the accelerator. A survey of several light sources revealed that the calculation of this statistics varies significantly between the facilities. This prevents a useful comparison of their reliabilities. The authors propose a specific metrics for the reliability of storage ring light sources; a metrics that will allow a detailed and meaningful comparison of these particle accelerators.
Precise gene expression patterns in complex neuronal morphologies from a simple local mechanism
and 4 collaborators
The spatial distribution of macromolecules and organelles in neurons is highly nonuniform. How cells achieve and maintain these expression patterns is unknown, but is believed to involve microtubular-based transport. Using mathematical analysis and numerical simulation, we show how reliable transport systems can be implemented in complex neuron morphologies. We derive a simple rule that relates local trafficking rates to the global steady-state distribution of cargo, and illustrate how this rule can be encoded by a second-messenger molecule, such as Ca2+. Similar, but more flexible, transport strategies were developed for a model that included nonuniform activation or microtubular detachment of cargo. These models make several experimental predictions about the time scale of transport and cell-to-cell variability in spatial expression patterns. We illustrate these predictions in CA1 pyramidal cells, which rely on transport of activity-inducible mRNAs and proteins for long-lasting synaptic plasticity, and display linear expression gradients in HCN and potassium channels.
Rio Pongaiola
RIO PONGAIOLA
Maria Dal Barco (157831)
Camilla Zanetti (155019)
Negli allegati sono presenti:
la cartella Rio Pongaiola contenente il file .pdf della relazione;
la cartella Mappe contenente a sua volta le .zip degli output ricavati tramite il programma Stage per completare l’analisi idrogeomorfologica del torrente Rio Pongaiola;
la cartella Distribuzioni contenente i file .txt degli output ricavati tramite Stage e i comandi utilizzati per creare le distribuzioni in R;
la cartella GEOTiff contenente le mappe georeferenziate mediante il programma Qgis.
Nella cartella Mappe sono presenti il DTM, il vettoriale dei FIUMI, il .PRJ e la Location (contenente i vettoriali vettoriali e le mappe raster ricavati tramite il programma Stage).
Di tutte le mappe raster si vogliono distinguere quelle dell’intero DTM scaricato dal Web Server della Facoltà di Ingegneria di Trento (es. TC3Classi), quelle ricavate a seguito del comando CutOut sempre in Stage (es. TC3ClassiCutOut) e quelle seguendo il secondo metodo (es. TC3Classi1), con il quale è stata completata l’analisi idrogeomorfologica.
Poichè questa piattaforma non permette di caricare file di dimensioni maggiori ai 10Mb, seppur “zippati” alcuni file risultano ugualmente troppo pesanti:
- cartella GEOTiff
TopIndex.zip
Curvatures_Planar.zip
Curvatures_Tangential.zip
Curvatures_Longitudinal.zip
- cartella Mappe -> Mapset -> fcell
IndiceTopografico
PlanarCurvatures
TangentialNormalCurvatures
ProfileLongitudinalCurvatures
SlopeMapGradient
Esposizione
Genoa C.F.C.
Genoa Cricket and Football Club, commonly referred to simply as Genoa (Italian pronunciation: [ˈd͡ʒɛːnoa]), is a professional Italian football and cricket club based in the city of Genoa, Liguria.
During their long history, Genoa have won the Serie A nine times. Genoa’s first title came at the inaugural championship in 1898 and their last was in 1923–24. They also won the Coppa Italia once. Historically, Genoa is the fourth most successful Italian club in terms of championships won.[4]
This slew of early successes may lie at the origin of the love professed for the team by the godfather of Italian sports journalists Gianni Brera (1919–1992), who, despite having been born nowhere near Genoa,
always declare
d himself a supporter of the team. Brera went as far as creating the nickname Vecchio Balordo (Old Fool or Cranky Old One) for Genoa.
The club has played its home games at the 36,536 capacity Stadio Luigi Ferraris[5] since 1911. Since 1946, the ground has been shared with local rivals Sampdoria. Genoa has spent most of its post-war history going up and down between Serie A and Serie B, with two brief spells in Serie C.
Curriculum Vitae: Alyssa A. Goodman
Alyssa A. Goodman
Astronomy Department, Harvard University, Cambridge, MA 02138, (617) 495–9278
485 Concord Avenue, Lexington, MA 02421
July 1, 1962/New York, New York
Kirrobacter mercurialis gen. nov., sp. nov., a member of the Erythrobacteraceae family isolated from a stadium seat
and 5 collaborators
Abstract
A novel, Gram-negative, non-spore-forming, pleomorphic yellow-orange bacterial strain was isolated from a stadium seat. Strain Coronado(T) falls within the Erythrobacteraceae family based on 16S rRNA phylogenetic analysis, but is both phylogenetically and physiologically distinct from existing genera in the family. A phylogenetic tree inferred from 16S rRNA gene sequences shows a highly supported clade containing Coronado(T), Porphyrobacter, Erythromicrobium, and Erythrobacter. While this strain has Q-10 as the predominant respiratory lipoquinone, as do other members of the family, the fatty acid profile of this strain is distinct. Coronado(T) contains predominatly C18:1ω7cis and C16:0, a high percentage of the latter not being observed in any other Erythrobacteraceae. This strain is catalase-positive and oxidase-negative, the latter of which is unusual for the other genera present in the same clade. Coronado(T) can grow from 4-28°C, at NaCl concentrations 0.1-1.5%, and at pH 6.0-8.0. On the basis of phenotypic and phylogenetic data presented in this study, strain Coronado(T) represents a novel species in a new genus in the family Erythrobacteraceae for which the name Kirrobacter mercurialis gen. nov., sp. nov. is proposed; the type strain is Coronado(T) (=DSMZ 29971, =LMG 28700).
Welcome to Authorea!
Hey, welcome. Double click anywhere on the text to start writing. In addition to simple text you can also add text formatted in boldface, italic, and yes, math too: E = mc2! Add images by drag’n’drop or click on the “Insert Figure” button.
Relazione Rio Val de Fora
Michele Bonazzi 158767
Alessandro Formigari 160132
Abbiamo caricato la relazione in pdf “Idrologia.compressed.pdf” e l’intera location.
Le cartelle “Vettoriali” e “cellmisc” sono state caricate sotto forma di file .zip.
Si precisa che le mappe vettoriali sono in formato .shp.
Il sistema di riferimento utilizzato è WGS84 e la proiezione è UTM32N, codice EPSG 32632.
xii.tex
Source: http://ctan.org/pkg/xii
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