bluuebunny/crossref_metadata_2025 huggingface dataset:
Sports participation with Chiari I malformation
Authors: Strahle Jennifer , Geh Ndi , Selzer Béla J. , Bower Regina , Himedan Mai , Strahle MaryKathryn , Wetjen Nicholas M. , Muraszko Karin M. , Garton Hugh J. L. , Maher Cormac O.
Published: December 2015

OBJECT

There is currently no consensus on the safety of sports participation for patients with Chiari I malformation (CM-I). The authors' goal was to define the risk of sports participation for children with the imaging finding of CM-I.

METHODS

A prospective survey was administered to 503 CM-I patients at 2 sites over a 46-month period. Data were gathered on imaging characteristics, treatment, sports participation, and any sport-related injuries. Additionally, 81 patients completed at least 1 subsequent survey following their initial entry into the registry and were included in a prospective group, with a mean prospective follow-up period of 11 months.

RESULTS

Of the 503 CM-I patients, 328 participated in sports for a cumulative duration of 4641 seasons; 205 of these patients participated in contact sports. There were no serious or catastrophic neurological injuries. One patient had temporary extremity paresthesias that resolved within hours, and this was not definitely considered to be related to the CM-I. In the prospective cohort, there were no permanent neurological injuries.

CONCLUSIONS

No permanent or catastrophic neurological injuries were observed in CM-I patients participating in athletic activities. The authors believe that the risk of such injuries is low and that, in most cases, sports participation by children with CM-I is safe.
Adjuvant hypofractionated partial-brain radiation therapy for pediatric Ewing sarcoma brain metastases: case report
Authors: van Dams Ritchell , Park Henry S. , Alomari Ahmed K. , Ricciardi Adele S. , Rao Harini , McNamara Joseph , DiLuna Michael L. , Bindra Ranjit S.
Published: December 2015

This case report demonstrates that hypofractionated partial-brain radiation therapy with limited margins is a reasonable approach following gross tumor resection of Ewing sarcoma metastases to the brain. The patient presented with 2 intracranial metastases treated with gross-total resection followed by radiation therapy to 30 Gy in 5 fractions. The patient experienced symptomatic treatment-related inflammatory changes with resolution after receiving dexamethasone. He remains alive at 21 months of follow-up with no evidence of disease.
Exploring the Differences Between Educational and Escapist Experience Stagers: A Multiperspective Approach
Authors: Zhao Shengnan , Nyaupane Gyan P. , Andereck Tand Kathleen
Published: December 2015

Experience stagers facilitate augmentation of travel experiences among tourists. Regarding tourist attractions as experience stagers, this article adopts a multiperspective approach to understand whether cultural attractions with ideographic and organizational disparities are different.
First, Pine and Gilmore's experience framework was applied to classify two major types of cultural attractions, heritage sites and cultural events, as educational and escapist experience stagers. A series of comparisons of these two experience stagers was then conducted with respect to visitor
perceptions, sociodemographics, and travel patterns. The results suggest that while these experience stagers were similar in some aspects, such as facilitating visitors' attainment of cultural benefits and attracting participants who shared some sociodemographics and travel pattern characteristics,
they were significantly different in pulling visitors to attractions, promoting social benefits, and attracting visitors who were heterogeneous in other sociodemographics and travel patterns. Several managerial and theoretical implications of the study are discussed.
Is Peritonitis Risk Increased in Elderly Patients on Peritoneal Dialysis? Report from the French Language Peritoneal Dialysis Registry (RDPLF)
Authors: Duquennoy Simon , Béchade Clémence , Verger Christian , Ficheux Maxence , Ryckelynck Jean-Philippe , Lobbedez Thierry
Published: December 2015

Introduction

This study was carried out to examine whether or not elderly patients on peritoneal dialysis (PD) had an increased risk of peritonitis.

Methods

This was a retrospective cohort study based on data from the French Language Peritoneal Dialysis Registry. We analyzed 8,396 incident patients starting PD between January 2003 and December 2010. The end of the observation period was 31 December 2012. Patients were separated into 2 age groups: up to 75 and over of 75 years old.

Results

Among 8,396 patients starting dialysis there were 3,173 patients older than 75. When using a Cox model, no association was found between age greater than 75 years and increased risk of peritonitis (hazard ratio [HR]: 0.97 [0.88 – 1.07]). Diabetes (HR: 1.14 [1.01 – 1.28] and continuous ambulatory PD (HR: 1.13 [1.04 – 1.23]) were significantly associated with a higher risk of peritoneal infection whereas nurse-assisted PD was associated with a lower risk of peritonitis (HR: 0.85 [0.78 – 0.94]. In the analysis restricted to the 3,840 self-care PD patients, there was no association between age older than 75 years and risk of peritonitis.

Conclusion

The risk of peritonitis is not increased in elderly patients on PD in a country where assisted PD is available.
Prevalence of Cognitive Impairment among Peritoneal Dialysis Patients, Impact on Peritonitis and Role of Assisted Dialysis
Authors: Shea Yat Fung , Lam Man Fai , Lee Mi Suen Connie , Mok Ming Yee Maggie , Lui Sing-leung , Yip Terence P.S. , Lo Wai Kei , Chu Leung Wing , Chan Tak-Mao
Published: December 2015

Background

Chronic renal failure and aging are suggested as risk factors for cognitive impairment (CI). We studied the prevalence of CI among peritoneal dialysis (PD) patients using Montreal Cognitive Assessment (MoCA), its impact on PD-related peritonitis in the first year, and the potential role of assisted PD.

Methods

One hundred fourteen patients were newly started on PD between February 2011 and July 2013. Montreal Cognitive Assessment was performed in the absence of acute illness. Data on patient characteristics including demographics, comorbidities, blood parameters, dialysis adequacy, presence of helpers, medications, and the number PD-related infections were collected.

Results

The age of studied patients was 59±15.0 years, and 47% were female. The prevalence of CI was 28.9%. Patients older than 65 years old (odds ratio [OR] 4.88, confidence interval [CI] 1.79 – 13.28 p = 0.002) and with an education of primary level or below (OR 4.08, CI 1.30 – 12.81, p = 0.016) were independent risk factors for CI in multivariate analysis. Patients with PD-related peritonitis were significantly older ( p < 0.001) and more likely to have CI as defined by MoCA ( p = 0.035). After adjustment for age, however, CI was not a significant independent risk factor for PD-related peritonitis among self-care PD patients (OR 2.20, CI 0.65 – 7.44, p = 0.20). When we compared patients with MoCA-defined CI receiving self-care and assisted PD, there were no statistically significant differences between the 2 groups in terms of age, MoCA scores, or comorbidities. There were also no statistically significant differences in 1-year outcome of PD-related peritonitis rates or exit-site infections.

Conclusion

Cognitive impairment is common among local PD patients. Even with CI, peritonitis rate in self-care PD with adequate training is similar to CI patients on assisted PD.
Fabrication of hybrid graphene oxide/polyelectrolyte capsules by means of layer-by-layer assembly on erythrocyte cell templates
Authors: Irigoyen Joseba , Politakos Nikolaos , Diamanti Eleftheria , Rojas Elena , Marradi Marco , Ledezma Raquel , Arizmendi Layza , Rodríguez J Alberto , Ziolo Ronald F , Moya Sergio E
Published: December 2015

A novel and facile method was developed to produce hybrid graphene oxide (GO)–polyelectrolyte (PE) capsules using erythrocyte cells as templates. The capsules are easily produced through the layer-by-layer technique using alternating polyelectrolyte layers and GO sheets. The amount of GO and therefore its coverage in the resulting capsules can be tuned by adjusting the concentration of the GO dispersion during the assembly. The capsules retain the approximate shape and size of the erythrocyte template after the latter is totally removed by oxidation with NaOCl in water. The PE/GO capsules maintain their integrity and can be placed or located on other surfaces such as in a device. When the capsules are dried in air, they collapse to form a film that is approximately twice the thickness of the capsule membrane. AFM images in the present study suggest a film thickness of approx. 30 nm for the capsules in the collapsed state implying a thickness of approx. 15 nm for the layers in the collapsed capsule membrane. The polyelectrolytes used in the present study were polyallylamine hydrochloride (PAH) and polystyrenesulfonate sodium salt (PSS). Capsules where characterized by transmission electron microscopy (TEM), atomic force microscopy (AFM), dynamic light scattering (DLS) and Raman microscopy, the constituent layers by zeta potential and GO by TEM, XRD, and Raman and FTIR spectroscopies.
How far can the Long Term Perspective for Defence 2030 Sees?
Authors: Stejskal Libor
Published: December 2015

The article deals with a strategic document that currently represents understanding of trends, which form the future security and operational environment,and that sets up the vectors for building-up and development of the Armed Forces of the Czech Republic. The first aim is to assess the Long Term Perspective for Defence 2030 and its significance in context of other strategic documents adopted in the Czech Republic. Another aim is to confront its contents with a structured analysis of large quantity of the state-of-the-art foresight studies,differentiated in geographical and thematic scope. The comparison allows identifying convergence and divergence between the Czech document and relevant findings from the foreign foresight documents. This approach enables the judgement whether the Long Term Perspective for Defence 2030 provides a relevant guideline for the defence sector development, and whether it does or does not miss some of the issues found significant in the foresight documents in the outer world.
Long-term planning - theory and practice
Authors: Karaffa Vladimír
Published: December 2015

The article deals with some aspects of long-term planning in the sector of theMinistry of Defence. Its aim is to stimulate discussion about the methods and processes of long-term planning, to point out some shortcomings in the development of strategic documents in the past. The text also describes the basis for long-term planning process and particularly the role of long-term foresight. The author analyses lessons learned from the developing and implementation of Long-Term Vision of the Ministry of Defence document (2008) and tries to aply them in drafting a new document, The Long-Term Vision for Defence in 2030, is now being prepared under the leadership of the Ministry of Defence of the Czech Republic. He also highlights some of the theoretical principles for developing documents in the process of strategic management.
Dispositional Solution of Catering Facility and Deployable Construction Systems for its Installation
Authors: Balco Patrik , Zezulová Eva
Published: December 2015

The article gives a short review of the catering facility problems. Firstly it divides the facility in to zones. An individual zone is described after with its specifics needs for right function. Secondly it summarizes usable construction systems usually used for catering facility installation. At the end it represents dispositional draft of facility formed from ISO containers.
Statistical Data Processing in STAT1 Application
Authors: Neubauer Jiří , Kříž Oldřich , Sedlačík Marek
Published: December 2015

Data analyses using methods of exploratory and inductive statistics nowadays form an integral part of many areas of human activities. The paper is focused on the statistical processing of data using a new application STAT1 that works under Microsoft Office Excel. The explanation is given, the source is stated, and the comparison with alternative application software tools is mentioned. Moreover, the examples of practical utilization of STAT1 in the military area are presented.
Cyberspace as a "Fifth Domain"?
Authors: Bastl Martin , Gruberová Zuzana
Published: December 2015

The aim of the article is to present an up-to-date discussion on cyberspace as a new, fifth domain of warfare. The reader is provided with the concept of cyberspace, its current interpretation, primarily in American doctrines and military theory. The army mission is contextually mentioned as well, explicitly the limits of Czech forces capacity. The paper deals with the form of cyberspace and its characteristics in the context of military operations. It advocates the idea of cyberspace as a war domain, which is presented together with the criticism to such approach. The article concludes with the summary and evaluation of both sides' arguments, taking into account the specific role and abilities of armed forces.
The Position of the Russian Federation to Western Military Interventions in 1999-2011
Authors: Tichý Lukáš
Published: December 2015

On the one hand, Russia is among the countries which often criticize the Western-led military intervention. On the other hand, in the last twenty years, Russia has repeatedly approved using military force by the West against an individual state, endorsed by the United National Security Council. The main purpose of this article is therefore to describe and analyse Russian position towards four Western military interventions 1999-2011. Specifically, the article is focused on two military interventions without UN Security Council mandates (Federal Republic of Yugoslavia in 1999 and Iraq in 2003), the intervention with the expanded UN Security Council resolution (Afghanistan 2001) and the military intervention that was partially approved by the UN Security Council resolutions (Libya 2011).
Controlling Implementation in Defence Department
Authors: Horák Roman , Adámková Blanka
Published: December 2015

The article deals with controlling implementation into the mechanism of central institutions and state administrative management of the CzechRepublic (CR), hereinafter state administration. The purpose of this article is to present state administration controlling as an effective control tool, backed by best experiences and practice in the Germany. The authors explain and determine theoretical bases and circumstances to put controlling into practice. They comment the effecitivity of controlling implementation in Czech state administration, using as an example the Defence Ministry of the CR.
Czech Armed Forces Doctrine - New Facets of Operational Art
Authors: Spišák Ján
Published: December 2015

The article deals with some aspects of military art in connection with the forthcoming Doctrine of the Army of the Czech Republic. Its aim is to contribute to discussion on the issue of operational art and highlight the major benefits in military terminology. The author describes some specific doctrinal terms and briefly suggests their possible application during the planning and conduct of military operations.
Preparation and Implementation of the Career Order as a Subsystem of Human Resource Management in the Ministry of Defence of the Czech Republic - Problem Formulation Analysis
Authors: Mičánek František , Dubec Radek
Published: December 2015

One of the objectives of the project for organization development titled "Trends in development the Armed Forces of Czech Republic in relation to the development of the security environment", is to identify trends in career management and life-long education in the MoD. The article presents partial findings of the substudy focused at proper use of management methods to execute primary data collection and to construct complete problem formulation for both preparation and implementation of Career Order as a part of human resources management in the Ministry of Defense. There is summary of methods and tools used for problems formulation in the first part, the second part shows how these methods are applied in practice. Based on results, the conclusion is then formulated depicting the primary problem of preparation and implementation of the career system.
Hilar, teñir y tejer. El trabajo femenino en las misiones jesuíticas del Chaco (siglo XVIII)
Authors: Vitar Beatriz
Published: December 2015

Este trabajo presenta algunos avances en el estudio del papel económico de las mujeres en las misiones de las fronteras del Chaco en el siglo XVIII. Para ello, se analizan los rasgos de la vida productiva de los cazadores recolectores —en ciertos casos también cultivadores en pequeña escala—, la concepción jesuítica de las mujeres, de sus funciones dentro de la economía reduccional y su impacto en la población femenina, así como algunas de sus respuestas frente al reordenamiento de la producción comunitaria.
La extensión del federalismo sobre el desierto argentino. Los debates parlamentarios en la sanción de la Ley de Territorios Nacionales (1884)
Authors: Gallucci Lisandro
Published: December 2015

En 1884, la organización de los Territorios Nacionales, espacios carentes de autonomía y bajo el control de las autoridades federales, dio lugar a que se desarrollaran en el Congreso importantes debates en torno al régimen federal argentino y a la futura incorporación de los primeros en este último. El objetivo de este trabajo consiste en explorar las formas que tomó la relación entre federalismo y representación en el caso de los Territorios. Con el propósito de analizar los argumentos que alrededor de tales cuestiones desplegaron los legisladores que participaron en la sanción de la Ley de Territorios, el trabajo se concentra deliberadamente en la coyuntura de 1884.
Microelectronics/Packagingin the Defense Industry:Importance of SWaP-Cand Other Factors
Authors: Wiewiora Lee
Published: December 2015

The modern battlefield demands that soldiers endure rough terrain and weather while carrying all necessary items for their mission. These necessities include their food, water, ammunition and mission essentials, typically electronics. In order to give the troops the most capability while in the field, the efficiency and dependability of electronics is paramount. Key to the requirements definition for mission electronics is Size, Weight and Power - Cost, commonly known as the acronym SWAP-C. In addition to satisfying the SWAP-C requirements, all mission electronics need proven reliability since lives are at stake.

Major defense systems in the past have lasted 30+ years. With this in mind, systems for tomorrow are being designed to support the defense industry's need for reliability, longevity and upgrade compatibility. This talk will focus on SWAP-C and high reliability in electronics and packaging to support the defense industry for years to come.
Sensor Integration Technologies for Internet of Things
Authors: Schrank Franz
Published: December 2015

Internet of things (IoT) will influence all areas from consumer to health care to building and home automation and to observation. IoT enables direct communication between objects via internet. The main functional blocks of IoT devices are sensing, data transmitting, processing and analysis and subsequent actuation. As a result such a system will consist of sensors, actuators, wireless connection, data processing, power management, energy harvesting, memory and software. A total market volume of almost 400 Bio US$ is predicted for 2024 whereof about 12Bio US$ are expected for IoT sensors (Yole2014)). The main challenges are to reduce footprint (e.g. wearables, swarm), reduce costs of system, improve reliability and provide better performance. For example the costs of today's smart sensor systems are in the 100–1000US$ range and for 2024 an ASP in the 1US$ $ level is expected (Yole2014). To enable this, a high level of integration is needed for the next generations of IoT sensors. This will on one hand reduce costs and form factor but also enable multi sensors devices.

More than Moore integration of functions offers the potential to meet both performance and cost targets for mass-market adoption. In addition to SoC (System on Chip) and SiP (System in Package) heterogeneous 3D integrations will be key enablers. 3D integration with the main technology bricks like TSV (Through Silicon Via), RDL (Redistribution Layer), D2W (Die to Wafer) and W2W (Wafer to Wafer) stacking and embedding allows to combine different technologies - different CMOS notes, MEMS, photonics, etc. At the same time expensive single die packaging can be avoided.

The presentation will focus on reviewing 3D integration technologies and their potential for IoT from the perspective of a sensor solution provider.
SiP Drivers and Challenges: Supply Chain Outlook and Requirements
Authors: Bal Linda
Published: December 2015

Cost pressures are driving the semiconductor industry to look for solutions that meet the challenge of expensive next generation silicon node fabrication. Simply integrating all functions in a single die may no longer be the most economical option. In addition, the need for close proximity of die and components has driven the development of packages that provide both the price and performance needs. System-in-Package (SiP) is gaining popularity as one of the most promising integration solutions. SiP is a functional system or subsystem assembled into a single package. It may contain two or more dissimilar die, typically combined with other components such as passives, filters, antennas, and/or mechanical parts. The components are mounted together on a substrate to create a customized, highly integrated product for a given application. SiPs may utilize a combination of wire bond, flip chip, wafer level packages, pre-packaged ICs such as CSPs, stacked packages, and/or stacked die. This presentation examines the role of system-in-package (SiP) discussing the formats most likely to emerge as volume packages and the supply chain requirements to produce these packages. The roles of OSATs and EMS companies are discussed with a discussion on the advantages and challenges of each.
The Jurassic faunas of the Canadian Arctic cadoceratinae
Authors: Frebold H
Published: December 2015

This report describes representatives of the genera A rctocephalites Spath and Cadoceras Fischer, and includes one new A rctocephalites and five new species and varieties of Cadoceras. The A rctoceplwlites species belong to the zone of A. 11m/11s, the Cadoceras
species to two stratigraphically different horizons, the lower and the upper Cadoceras beds. These two beds arc best exposed on A xe l H eiberg Tslancl (the sect ion concerned is described in the Appendix by E. T. T ozer) , and contain new species that have some affinities to Russian and English
Cacloceraticls but are easily distinguishable. The fauna! Differences may be partly clue to slight differences in age. The two Arctic Cadoceras beds are probably of late earl y Callovian age. The collection from Axel Heiberg Islands shows that the genus Arkelloceras Frebold, whose exact
stratigraphic position is still unknown, is older than the beds containing A rctoceplwlites.
Hydrogeochemistry of uranium in the Bancroft-haliburton region, Ontario
Authors: Chamberlain J A
Published: December 2015

Over 1,100 samples of surface and underground waters from the Haliburton- Bancroft region were collected and analysed in a field laboratory. Analyses were completed using a colorimetric method sensitive to 1 ppb (1 part per billion). Consistent with chemical
considerations, the average uranium content of creek, lake, and swamp waters varies from 1.7 to 1.5 to 1.1 ppb, respectively. Owing to limitations of the analytical method, these values are calculated to be high by a factor of about 35 per cent. On a local scale, anomalously high uranium values in
waters associated with orebodies generally decrease to near-background level within a few hundred feet. Results indicate that uranium is extracted from solution by the reducing effects of decaying organic materials. In the investigated area, and presumably over much of the Canadian Shield, uranium
hydrogeochemistry thus offers only restricted guides to specific ore targets. The regional plot of the hydrogeochemical data outlines successfully the general configuration of the belt of uranium mineralization. Changes in background levels are spatially related to changes in character of bedrock,
with syenitic rocks showing the greatest affinity to waters of high uranium content. The greatest potential use of the method appears to be in outlining broad zones for which addition al exploratory work in search of uranium, or other metals believed to be associated with uranium, may be
warranted.
Lower Jurassic and bajocian ammonoid faunas of northwestern British Columbia and southern Yukon
Authors: Frebold H
Published: December 2015

Numerous ammonites found in recent years in northwestern British Columbia , particularly in the Telegraph Creek and Tahlequah areas, demonstrate the presence of parts of the following Lower Jurassic and lower Middle Jurassic stages : Hettangian (Psiloceras
canadense), lower Sinemurian (Paracoroniceras cf. P. gmiin dense, A mioceras? sp . indet. ), Pliensbachian (davoei zone : Prodac1yliocen1s dcn oei, Becheiceras bec/1ei; lower p art of margariratus zone: Amalthens stokesi, Ariericeras algovianum, L eptaleoceras pseudoradians), lower Toarcian
(Harpoceras cf. H. exaratum, Peronoceras cf. P. fibulatum, Dactlioceras sp. ) , upper Toarcian (Grammoceras aff. G. fallaciosun, Catulloceras? sp.) , middle Bajocian (sowerbyi zo ne: so nniniids; sauzei and /humphriesianum zones : C/1 011droceras a/la11i, tephanoceratids). Almost all the Lower
Jurassic subdivisions are present in the Whitehorse a rea of southern Yukon, where, however, no middle Bajocian is known. Major gaps in the sequence in both southern Yukon and north western British Columbia are: the upper Sinemurian and lower Pliensbachian, and the upper part of the Pliensbachien.
Some min or gaps also occur. Some of the ammonite gene rare new for North America, i .e .. Liparoceras (Becheiceras), Arieticeras, and Lepta/eoceras. The two last-named genera, which are represented by numerous specimens and various species, are known particularly from Mediterranean regions
(southern France and Italy) . No new genera or species could be distinguished, most of the Lower Jurassic ammonites are cosmopolitan, either identical with or closely related to well-known species.
Hettangian ammonite faunas of the Taseko Lakes area, British Columbia
Authors: Frebold H
Published: December 2015

A large Jurassic collection made by H. W. Tipper and E. T. Tozer in 1963 and 1964 in the Taseko Lakes area, British Columbia, includes Hettangian ammonites. These ammonites are described in this report and assigned to the following genera: Phylloceras sensu lato,
Eolytoceras n. gen., Psiloceras sensu stricto, Psi/oceras (sub-genus Curviceras), Discamphiceras(?), Paracaloceras, and Charmasseiceras. Most of these genera are represented by several new species. With the exception of Charmasseiceras marmoreum (Oppel), none of the species could be specifically
identified with species characteristic of Hettangian beds in the Alps. The Hettangian of the Taseko Lakes area is tentatively subdivided into two zones, i.e., a lower one with Psiloceras ex aff. P. planorbis (Sowerby), and an upper one with Phylloceras, Eolytoceras, Psiloceras canadense and species
of Psiloceras (Curviceras), Discamphiceras(?), Paracaloceras, and Charmasseiceras. In the lower part of this upper zone P. canadense is apparently not associated with these other genera. For a tentative subdivision and correlation of the Hettangian of the Taseko Lakes area see Table
I.
Precambrian geology of Boothia Peninsula, Somerset Island and Prince of Wales Island, district of Franklin
Authors: Blackadar R G
Published: December 2015

Boothia Peninsula and we tern Somerset Island are dominated by the Boothia Arch, a structural and topographic high composed of Precambrian igneous and metamorphic rocks. Relatively fiat-lying unfossiliferous sedimentary strata overlie the northernmost exposures
of Boothia Arch, and they are in turn overlain by lower Palaeozoic sedimentary rocks. All pre-Palaeozoic rocks are cut by gabbro dykes and sill s. These are most abundant in western Somerset Island. Potassium-argon age determinations made on biotite indicate an Aphebian (early Proterozoic) age for
the la test metamorphism of the gneissic complex. The results of modal analyses and 82 'rap id method' chemical analyses accompany the descriptions of the gneissic and igneous rocks.
Upper Devonian Stromatoporoids from Redwater Reef Complex, Alberta and Southern Northwest Territories northern Alberta
Authors: Klovan J E , Stearn C W
Published: December 2015

Stromatoporoids are the dominant reef builders in the Redwater reef complex, Alberta. Specimens collected from cores of the Upper Devonian Leduc Formation at Redwater field are the subject of this paper. Twentyseven species are represented comprising thirteen
genera. A new stromatoporoid genus, Euryamphipora, is described. Six new species are described and illustrated: Anostylostroma intermedium, Hammatostroma delicatulum, Hammatostroma nodosum, Euryamphipora platyformis, Actinostroma pachyptatum, Actinostroma redwaterense.
Middle and upper Triassic Spiriferinid Brachiopods from the Canadian Arctic Archipelago
Authors: Logan A
Published: December 2015

Late Middle Triassic (Ladinian) and early Upper Triassic (Karnian) spmferinid brachiopods are recorded f.rom the Schei Point and Blaa Mountain Formations of Ellesmere and Table Islands, Canadian Arctic Archipelago. Two new species of the genus Spiriferina are
described: Spiriferina (Spiriferina) ellesmerensis of Ladinian age, and Spiriferina (Rastelligera) canadensis of Karnian age. Preservation of unaltered shell microstructures in Spiriferina (Rastelligera) canadensis permits detailed morphogenetic consideratfons of the internal structures of both
valves to be made. Spiriferina (Spiriferina) shalshalensis Bittner, a Himalayan species of Karnian age, has been identified in Karnian rocks in the Canadian Arctic; Spiriferina (Rastelligera) lundgreni Boehm, originally described from the Upper Triassic of Spitsbergen, has been recognized in
Ladinian-Karnian rocks in Canada. The validity of the subgenus Rastel/igera Hector is confirmed and the taxon is reserved for those species of Spiriferina that possess a denticulate hinge margin
Mucinous tubular and spindle cell carcinoma of the kidney: Diagnosis by fine needle aspiration and review of the literature
Authors: Huimiao Jiang , Chepovetsky Julie , Zhou Ming , Sun Wei , Simsir Aylin , Cohen Deirdre , Leung Allen
Published: December 2015

Renal mucinous tubular and spindle cell carcinoma (MTSCC) was recently described as a distinct subtype of renal cell carcinoma (RCC) in the 2004 World Health Organization classification of kidney tumors. MTSCC is a rare low grade malignancy with < 100 cases reported in the literature. To the best of our knowledge, there are 5 case reports with a total of 6 patients describing its diagnosis by fine needle aspiration (FNA). All of these cases were diagnosed as conventional RCC on FNA. Subsequent excisions proved them to be MTSCC. We herein report a case in a 67-year-old male. He presented with abdominal pain and was found to have a new colon adenocarcinoma with metastasis to the liver and lungs. The extent of disease made the patient ineligible for surgical excision, and he received chemotherapy. Work-up also revealed a kidney mass which was later biopsied by FNA and core biopsy. The tumor was composed of epithelial and spindled cell components embedded in a myxoid background. It was positive for CK7, AMCAR, vimentin, and epithelial membrane antigen. The tumor was diagnosed as MTSCC. One year later the kidney mass remained stable. However, the patient developed new metastasis to the liver from colonic primary. The kidney mass was not resected. Although rarely encountered in FNA cytology of the kidney, we believe the cytologic features of this tumor are distinctive and are different from conventional and other subtypes of RCC. Therefore, its accurate diagnosis on FNA is possible once pathologists are aware that MTSCC should be considered in the differential diagnosis of kidney tumors.
Mini-Workshop: Deformation quantization: between formal to strict
Authors: Bieliavsky Pierre , Esposito Chiara , Nest Ryszard , Waldmann Stefan
Published: December 2015

The philosophy of deformation was proposed by Bayen, Flato, Fronsdal, Lichnerowicz, and Sternheimer in the seventies and since then, many developments occurred. Deformation quantization is based on such a philosophy in order to provide a mathematical procedure to pass from classical mechanics to quantum mechanics. Basically, it consists in deforming the pointwise product of functions to get a non-commutative one, which encodes the quantum mechanics behaviour. In formal deformation quantization, the non-commutative product (also said, star product) is given by a formal deformation of the pointwise product, i.e. by a formal power series in the deformation parameter which physically play the role of Planck’s constant

\hbar

. From a physical point of view this is clearly not sufficient to provide a reasonable quantum mechanical description and hence one needs to overcome the formal power series aspects in some way. One option is strict deformation quantization, which produces quantum algebras not just in the space of formal power series but in terms of

C

*-algebras, as suggested by Rieffel, with e.g. a continuous dependence on

\hbar

. There are several other options in between continuous and formal dependence on

\hbar

like analytic or smooth deformations.

The Oberwolfach workshop
Deformation quantization: between formal to strict
consolidated, continued, and extended these research activities with a focus on the study of the connection between formal and strict deformation quantization in their various flavours and their applications in particular those in quantum physics and non-commutative geometry. It brought together specialists in differential geometry, operator algebras, non-commutative geometry, and quantum field theory with research interests in the mentioned quantization procedures. The aim of the workshop was to develop a coherent viewpoint of the many recent diverse developments in the field and to initiate new lines of research.
Algebraic Geometry
Authors: Hacon Christopher D. , Huybrechts Daniel , Kawamata Yujiro , Siebert Bernd
Published: December 2015

The workshop covered a broad variety of areas in algebraic geometry and was the occasion to report on recent advances and works in progress. Special emphasis was put on the role of derived categories and various stability concepts for sheaves, varieties, complexes, etc. The mix of people working in areas like classification theory, mirror symmetry, derived categories, moduli spaces,

p

-adic geometry, characteristic

p

methods, singularity theory led to stimulating discussions.
New Discretization Methods for the Numerical Approximation of PDEs
Authors: Dahlke Stephan , Kutyniok Gitta , Stevenson Rob , Süli Endre
Published: December 2015

The construction and mathematical analysis of numerical methods for PDEs is a fundamental area of modern applied mathematics. Among the various techniques that have been proposed in the past, some – in particular, finite element methods, – have been exceptionally successful in a range of applications. There are however a number of important challenges that remain, including the optimal adaptive finite element approximation of solutions to transport-dominated diffusion problems, the efficient numerical approximation of parametrized families of PDEs, and the efficient numerical approximation of high-dimensional partial differential equations (that arise from stochastic analysis and statistical physics, for example, in the form of a backward Kolmogorov equation, which, unlike its formal adjoint, the forward Kolmogorov equation, is not in divergence form, and therefore not directly amenable to finite element approximation, even when the spatial dimension is low). In recent years several original and conceptionally new ideas have emerged in order to tackle these open problems.

The goal of this workshop was to discuss and compare a number of novel approaches, to study their potential and applicability, and to formulate the strategic goals and directions of research in this field for the next five years.
Using a Team-Based Learning Approach at National Meetings to Teach Residents Genomic Pathology
Authors: Haspel Richard L. , Ali Asma M. , Huang Grace C.
Published: December 2015

Background

Accumulating data suggest that team-based learning (TBL) is more effective than lecture-based teaching strategies. Educational sessions at national meetings, however, tend to be lecture-based, and unlike most examples of TBL, involve participants who do not know each other or the instructor.

Objective

We evaluated a 1-day TBL genomic pathology workshop for residents held at 3 national meetings.

Methods

A committee of experts developed the workshop. Prior to attending, participants were provided access to readings and asked to answer preparation questions. Each of the 4 modules within the workshop consisted of a 60-minute TBL activity flanked by 15- to 30-minute preactivity and postactivity lectures. We used surveys to acquire participant evaluation of the workshop.

Results

From 2013–2014, 86 pathology residents from 61 programs participated in 3 workshops at national meetings. All workshops were well received, with over 90% of attendees indicating that they would recommend them to other residents and that the material would help them as practicing pathologists. An incremental approach facilitated decreasing faculty presence at the workshops: the first 2 workshops had 7 faculty each (1 facilitator for each team and 1 circulating faculty member), while the final workshop involved only 2 faculty for 6 teams. For this final session, participants agreed that circulating faculty provided adequate support. Participant “buy-in” (requiring completion of a preworkshop survey) was critical in enabling a TBL approach.

Conclusions

These results demonstrate that TBL is a feasible and effective strategy for teaching genomic medicine that is acceptable to pathology residents at national meetings.
Weekly Training and Competitive Load of Junior Level Community Cricket Players
Authors: Talpey Scott William , Siesmaa Emma , White Peta , Finch Caroline F
Published: December 2015

Purpose

Understanding the participation habits of junior cricket players is needed to better inform injury prevention strategies in this sporting population. This investigation sought to describe the amount of training and competition undertaken by junior community level cricket players in a typical week.

Materials and methods

A cross-sectional survey with a 1 week recall was administered to 281 Australian junior community club cricket players aged 9 to 16 years. The number of training and competitive matches in the previous week and the number of contexts competed or trained in during that same week were determined.

Results

The majority of the surveyed cricketers participated in. 1 match during the previous week, with 10% reporting having participated in. 2 matches. More players from the under 16 years (U16) level others competed in. 2 matches in the previous week. Coinciding with the greater number of weekly participations in the older age group, 49% (CI: 9.60) of the U16 players reported also taking part in. 2 training sessions in the previous week. Overall, more players aged under 12 years (U12) (46%; CI: 31.6.57.6) reported not attending any cricket training in the previous week, than did older age groups (7% each). Moreover, 28% of U16 players reported also competing in an adult competition.

Conclusion

Older players had greater training and competitive loads than younger players. The number of competitive contexts across which junior players compete also increased with age. There is potential for heightened injury risk when training and match loads get too high, especially across playing contexts.

How to cite this article

Talpey SW, Siesmaa E, White P, Finch CF. Weekly Training and Competitive Load of Junior Level Community Cricket Players. J Postgrad Med Edu Res 2015;49(4): 164-167.
Medical Coverage of Cricket Matches
Authors: Mansingh Akshai
Published: December 2015

Cricket is played around the world, at all ages and grades. Medical coverage of cricket matches varies equally, depending on the location, grade of cricket, expertise and resources available. Whereas recommendations exist for International matches and tournaments, this may not even extend to first class matches in many countries. Few sports provide guidelines on minimum requirements of coverage of events, and none exist in cricket. This paper proposes minimum standards aimed at being appropriate for all regions and levels of cricket.

How to cite this article

Mansingh A. Medical Coverage of Cricket Matches. J Postgrad Med Edu Res 2015;49(4):182-185.
Modeling lightning-NOx chemistry at sub-grid scale in a global chemical transport model
Authors: Gressent A. , Sauvage B. , Cariolle D. , Evans M. , Leriche M. , Mari C. , Thouret V.
Published: December 2015

Abstract. For the first time, a plume-in-grid approach is implemented in a chemical transport model (CTM) to parameterize the effects of the non-linear reactions occurring within high concentrated NOx plumes from lightning NOx emissions (LNOx) in the upper troposphere. It is characterized by a set of parameters including the plume lifetime, the effective reaction rate constant related to NOx-O3 chemical interactions and the fractions of NOx conversion into HNO3 within the plume. Parameter estimates were made using the DSMACC chemical box model, simple plume dispersion simulations and the mesoscale 3-D Meso-NH model. In order to assess the impact of the LNOx plume approach on the NOx and O3 distributions at large scale, simulations for the year 2006 were performed using the GEOS-Chem global model with a horizontal resolution of 2° × 2.5°. The implementation of the LNOx parameterization implies NOx and O3 decrease at large scale over the region characterized by a strong lightning activity (up to 25 and 8 %, respectively, over Central Africa in July) and a relative increase downwind of LNOx emissions (up to 18 and 2 % for NOx and O3, respectively, in July) are derived. The calculated variability of NOx and O3 mixing ratios around the mean value according to the known uncertainties on the parameter estimates is maximum over continental tropical regions with ΔNOx [−33.1; +29.7] ppt and ΔO3 [−1.56; +2.16] ppb, in January, and ΔNOx [−14.3; +21] ppt and ΔO3 [−1.18; +1.93] ppb, in July, mainly depending on the determination of the diffusion properties of the atmosphere and the initial NO mixing ratio injected by lightning. This approach allows (i) to reproduce a more realistic lightning NOx chemistry leading to better NOx and O3 distributions at the large scale and (ii) focus on other improvements to reduce remaining uncertainties from processes related to NOx chemistry in CTM.
Influence of meteorology and interrelationship with greenhouse gases (CO2 and CH4) at a sub-urban site of India
Authors: Sreenivas G. , Mahesh P. , Subin J. , Kanchana A. L. , Rao P. V. N. , Dadhwal V. K.
Published: December 2015

Abstract. Atmospheric greenhouse gases (GHGs) such as carbon dioxide (CO2) and methane (CH4) are important climate forcing agents due to their significant impact on the climate system. The present study brings out first continuous measurements of atmospheric GHG's using high precision Los Gatos Research's-greenhouse gas analyser (LGR-GGA) over Shadnagar, a suburban site of Central India during the period 2014. The annual mean of CO2 and CH4 over the study region is found to be 394 ± 2.92 and 1.92 ± 0.07 ppm (mean, μ ± 1 SD, σ) respectively. CO2 and CH4 showed a significant seasonal variation during the study period with maximum (minimum) CO2 observed during Pre-monsoon (Monsoon), while CH4 recorded maximum during post-monsoon and minimum in monsoon. A consistent diurnal mixing ratio of these gases is observed with high (low) during night (afternoon) hours throughout the study period. Influences of prevailing meteorology (air temperature, wind speed, wind direction and relative humidity) on GHG's have also been investigated. CO2 and CH4 showed a strong positive correlation during winter, pre-monsoon, monsoon and post-monsoon with R equal to 0.80, 0.80, 0.61 and 0.72 respectively. It implies the seasonal variations in source-sink mechanisms of CO2 and CH4. Present study also confirms implicitly the presence OH radicals as a major sink of CH4 over the study region.
Why is Trichodesmium abundant in the Kuroshio?
Authors: Shiozaki T. , Takeda S. , Itoh S. , Kodama T. , Liu X. , Hashihama F. , Furuya K.
Published: December 2015

Abstract. The genus Trichodesmium is recognized as an abundant and major diazotroph in the Kuroshio, but the reason for this remains unclear. The present study investigated the abundance of Trichodesmium spp. and nitrogen fixation together with concentrations of dissolved iron and phosphate in the Kuroshio and its marginal seas. We performed the observations near the Miyako Islands, which form part of the Ryukyu Islands, situated along the Kuroshio, since our satellite analysis suggested that material transport could occur from the islands to the Kuroshio. Trichodesmium spp. bloomed (> 20 000 filaments L−1) near the Miyako Islands, abundance was high in the Kuroshio and the Kuroshio bifurcation region of the East China Sea, but was low in the Philippine Sea. The abundance of Trichodesmium spp. was significantly correlated with the total nitrogen fixation activity. The surface concentrations of dissolved iron (0.19–0.89 nM) and phosphate (< 3–36 nM) were similar for all of the study areas, indicating that the nutrient distribution could not explain the spatial differences in Trichodesmium spp. abundance and nitrogen fixation. Numerical particle-tracking experiments simulated the transportation of water around the Ryukyu Islands to the Kuroshio. Our results indicate that Trichodesmium growing around the Ryukyu Islands could be advected into the Kuroshio.