bluuebunny/crossref_metadata_2025_split huggingface dataset:
Using YA Literature to Help Preservice Teachers Deal With Bullying and Suicide
Authors: Pytash Kristine E. 
Published: March 2013

AbstractAn incident of bullying, violence in the classroom, or suicide can unsettle teachers' views of their teaching, their role as a teacher, and their relationships with students. Unfortunately, there is a high probability that many educators will teach a young person who has been bullied or considered suicide. This article explores the shifts in preservice teachers' understanding about issues of bullying and suicide through their self‐selected reading of 13 Reasons Why (Asher, 2007) and Hate List (Brown, 2008). Results found preservice teachers chose to read either 13 Reasons Why or Hate List because they knew someone who committed suicide. Their engagement in the books allowed them to understand and imagine the characters' experiences, perspectives, and decision‐making. Through reading and discussions they developed compassion and empathy for the characters; this compassion and empathy extended to their future students.
Organ culture stability of the intervertebral disc: Rat versus rabbit
Authors: Seol Dongrim , Choe Hyeonghun , Ramakrishnan Prem S. , Jang Keewoong , Kurriger Gail L. , Zheng Hongjun , Lim Tae‐Hong , Martin James A. 
Published: March 2013

AbstractThere is a need to develop mechanically active culture systems to better understand the role of mechanical stresses in intervertebral disc (IVD) degeneration. Motion segment cultures that preserve the native IVD structure and adjacent vertebral bodies are preferred as model systems, but rapid ex vivo tissue degeneration limits their usefulness. The stability of rat and rabbit IVDs is of particular interest, as their small size makes them otherwise suitable for motion segment culture. The goal of this study was to determine if there are substantial differences in the susceptibility of rat and rabbit IVDs to culture‐induced degeneration. Lumbar IVD motion segments were harvested from young adult male Sprague–Dawley rats and New Zealand White rabbits and cultured under standard conditions for 14 days. Biochemical assays and safranin‐O histology showed that while glycosaminoglycan (GAG) loss was minimal in rabbit IVDs, it was progressive and severe in rat IVDs. In the rat IVD, GAG loss was concomitant with the loss of notochordal cells and the migration of endplate (EP) cells into the nucleus pulposus (NP). None of these changes were evident in the rabbit IVDs. Compared to rabbit IVDs, rat IVDs also showed increased matrix metalloproteinase‐3 (MMP‐3) and sharply decreased collagen type I and II collagen expression. Together these data indicated that the rabbit IVD was dramatically more stable than the rat IVD, which showed culture‐related degenerative changes. Based on these findings we conclude that the rabbit motion segments are a superior model for mechanobiologic studies. © 2013 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 31: 838–846, 2013
Essential medicines for pediatric oncology in developing countries
Authors: Mehta Parth S. , Wiernikowski John T. , Petrilli J A. Sergio , Barr Ronald D. ,   for the Working Group on Essential Medicines of the Pediatric Oncology in Developing Countries committee of SIOP
Published: February 2013

AbstractThe burden of cancer in children in low and middle income countries (LMICs) is substantial, comprising at least 80% of incident cases globally, and an even higher proportion of cancer‐related deaths. With survival rates exceeding 80% in high income countries, it is imperative to transfer these successes to LMICs. A major challenge is the poor availability of safe, cost‐effective chemotherapy. A list of 51 drugs—chemotherapeutics, infectious disease agents, and supportive care medications—is proposed as essential to improving the survival of children with cancer in LMICs with an additional 13 drugs identified as being of further value. Pediatr Blood Cancer 2013; 60: 889–891. © 2013 Wiley Periodicals, Inc.
Synthesis and simultaneous self‐assembly of multiblock fluorinated polyurethane in iniferter polymerization
Authors: Zhang Yixiang , Wang Lu , Zhang Zhihua , Zhang Yu , Tuo Xinlin 
Published: February 2013

AbstractA multiblock fluorinated polyurethane was synthesized using tetraphenylethane‐based polyurethane as macroiniferter to free‐radically polymerize 1H,1H,3H‐trihydro perfluoro‐2,4‐dimethylpentyl methacrylate (FDPMA). Simultaneous self‐assembly occurred in FDPMA polymerization process and various nanostructures, like multicore particles, formed depending on FDPMA concentration. Fluorophobic effect and the cooperation of the fluorinated blocks with polyurethane blocks are demonstrated to be the main contribution. That soluble FDPMA in DMF becomes insoluble after polymerization triggers the self‐assembly process and leads to the nanostructure formation, and the polyurethane blocks that are soluble in DMF and immiscible with the fluorinated blocks stabilize the discrete nanostructures. Further, the nanostructures in solutions can evolve into various morphologies, such as disk and fiber, when dried to solid state. All these results not only reveal the feasibility and robustness of the multiblock copolymer on the modulation of self‐assembly structure but also represent a facile and efficient approach for novel nanostructure construction. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013
Surface engineering the cellular microenvironment via patterning and gradients
Authors: Ross Aftin M. , Lahann Joerg 
Published: March 2013

AbstractCell organization, proliferation, and differentiation are impacted by diverse cues present in the cellular microenvironment. As a result, the surface of a material plays an important role in cellular function. Synthetic surfaces may be augmented by physical as well as chemical means. In particular, patterning and interfacial gradients may be utilized to mitigate the cellular response. Patterning is advantageous as it affords control over a range of feature sizes from several nanometers to millimeters. Gradients exist in vivo, for instance in stem cell niches, and the ability to create interfacial gradients in vitro can provide valuable insights into the influence of a series of minute surface changes on a single sample. This review focuses on fabrication methods for generating micro‐ and nanoscale surface patterns as well as interfacial gradients, the impact of these surface modifications on the cellular response, and the advantages and challenges of these surfaces in in vitro applications. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys., 2013
IE analysis of multilayered doubly periodic array of 3‐D general objects using equivalence principle and connection scheme
Authors: Hu Fu‐Gang , Song Jiming , Kamgaing Telesphor 
Published: March 2013

AbstractAn integral equation (IE) approach in the spatial domain is developed to analyze the electromagnetic (EM) scattering from the multilayered doubly periodic array of three‐dimensional (3‐D) general objects. This approach applies the equivalence principle to the interior problem of each layer. Then, the tangential continuity condition is applied to build up the connection between layers. The application of the equivalence principle and connection scheme (EPACS) allows us to avoid of the use of multilayered double periodic Green's functions. For 2N identical layers, the elimination of the unknowns between top and bottom surfaces can be accelerated using the logarithm algorithm. In addition, this approach is extended to handle the semi‐infinitely layered array in which a unit consisting of several layers is repeated infinitely in one direction. The main contribution of this paper is to extend previous work on the EPACS to handle the 3‐D perfect electric conductor or dielectric objects with arbitrary shapes. Numerical results are provided to validate the present approach.
Performance comparison between IBE‐HWMP and ECDSA‐HWMP
Authors: Saavedra Benitez Yesica Imelda , Ben‐othman Jalel , Claude Jean‐Pierre 
Published: February 2013

ABSTRACTWireless mesh networks (WMNs) are one of the key technologies that will dominate wireless networking in the few years. The main characteristics of WMNs permit network connectivity anywhere anytime with simplicity and low cost. Their capability for self‐organization significantly reduces the complexity of network deployment. The draft standard of IEEE P802.11 s™/D4.0 is not considered secure for the routing protocol. In this paper, we propose a secure Hybrid‐Wireless‐Mesh Protocol using an Elliptic Curve Digital Signature Algorithm (ECDSA‐HWMP). We then compare the ECDSA‐based HWMP against identity‐based encryption (IBE)‐based HWMP. This study has been carried out to show the great benefits of the IBE technique in securing HWMP. Through extensive Network Simulator‐3 simulations, results have shown that the IBE‐HWMP outperforms the ECDSA‐HWMP in terms of overhead, throughput, loss ratio and delay. Simulation results show that the use of the IBE‐based HWMP provides a greater level of security with light overhead. Copyright © 2013 John Wiley & Sons, Ltd.
Supporting Students’ Movement Up the Staircase of Text Complexity
Authors: Hiebert Elfrieda H. 
Published: March 2013

AbstractStandard 10 of the Common Core State Standards attends to students’ capacity with complex text. This standard distinguishes the Common Core State Standards from previous standards documents. This article describes a process—the Text Complexity Multi‐Index (TCMI)—that supports teachers in studying texts to support their students in increasing capacity with complex text. The TCMI addresses the three prongs of the text complexity triad identified by the CCSS: quantitative, qualitative, and reader‐task. As teachers apply steps of the TCMI process, they become increasingly knowledgeable about the features of texts that can create challenges for students and those that provide the content of lessons that support students in reading increasingly more complex texts across their school careers.
Evaporation rates across a convective air boundary layer are dominated by diffusion
Authors: Haghighi E. , Shahraeeni E. , Lehmann P. , Or D. 
Published: March 2013

Key Points
The contributions of diffusion and advection to evaporative flux are quantified
Diffusion dominates evaporation flux from partially wet surfaces
Surface water content‐dependent evaporative resistance expression is developed
A Treatment-Oriented Typology of Self-Identified Hypersexuality Referrals
Authors: Cantor James M. , Klein Carolin , Lykins Amy , Rullo Jordan E. , Thaler Lea , Walling Bobbi R. 
Published: March 2013

Abstract
Men and women have been seeking professional assistance to help control hypersexual urges and behaviors since the nineteenth century. Despite that the literature emphasizes that cases of hypersexuality are highly diverse with regard to clinical presentation and comorbid features, the major models for understanding and treating hypersexuality employ a “one size fits all” approach. That is, rather than identify which problematic behaviors might respond best to which interventions, existing approaches presume or assert without evidence that all cases of hypersexuality (however termed or defined) represent the same underlying problem and merit the same approach to intervention. The present article instead provides a typology of hypersexuality referrals that links individual clinical profiles or symptom clusters to individual treatment suggestions. Case vignettes are provided to illustrate the most common profiles of hypersexuality referral that presented to a large, hospital-based sexual behaviors clinic, including: (1) Paraphilic Hypersexuality, (2) Avoidant Masturbation, (3) Chronic Adultery, (4) Sexual Guilt, (5) the Designated Patient, and (6) better accounted for as a symptom of another condition.
Molecular and morphological evidence of hybridization between native Ruditapes philippinarum and the introduced Ruditapes form in Japan
Authors: Kitada Shuichi , Fujikake Chie , Asakura Yoshiho , Yuki Hitomi , Nakajima Kaori , Vargas Kelley M. , Kawashima Shiori , Hamasaki Katsuyuki , Kishino Hirohisa 
Published: March 2013

Abstract
Marine aquaculture and stock enhancement are major causes of the introduction of alien species. A good example of such an introduction is the Japanese shortneck clam Ruditapes philippinarum, one of the most important fishery resources in the world. To meet the domestic shortage of R. philippinarum caused by depleted catches, clams were imported to Japan from China and the Korean peninsula. The imported clam is an alien species that has a very similar morphology, and was misidentified as R. philippinarum (hereafter, Ruditapes form). We genotyped 1,186 clams of R. philippinarum and R. form at four microsatellite loci, sequenced mitochondrial DNA (COI gene fragment) of 485 clams, 34 of which were R. variegatus, and measured morphometric and meristic characters of 754 clams from 12 populations in Japan and China, including the Ariake Sea and Tokyo Bay, where large numbers of R. form were released. Our analyses confirmed that R. form was from the genus Ruditapes, and the genetic differentiation between R. philippinarum and R. form was distinct, but small, compared with five bivalve outgroups. However, R. form had distinct shell morphology, especially larger numbers of radial ribs on the shell surface, suggesting that R. form might be a new Ruditapes species or a variation of R. philippinarum that originated from southern China. A genetic affinity of the sample from the Ariake Sea to R. form was found with the intermediate shell morphology and number of radial ribs, and the hybrid proportion was estimated at 51.3 ± 4.6 % in the Ariake Sea.
Coronary Artery Calcium Testing in Symptomatic Patients: An Issue of Diagnostic Efficiency
Authors: McBride Chad B. , Cheezum Michael K. , Gore Rosco S. , Pathirana Induruwa N. , Slim Ahmad M. , Villines Todd C. 
Published: March 2013

Abstract
The detection and quantification of coronary artery calcification (CAC) significantly improves cardiovascular risk prediction in asymptomatic patients. Many have advocated for expanded CAC testing in symptomatic patients based on data demonstrating that the absence of quantifiable CAC in patients with possible angina makes obstructive coronary artery disease (CAD) and subsequent adverse events highly unlikely. However, the widespread use of CAC testing in symptomatic patients may be limited by the high background prevalence of CAC and its low specificity for obstructive CAD, necessitating additional testing (‘test layering’) in a large percentage of eligible patients. Further, adequately powered prospective studies validating the comparative effectiveness of a ‘CAC first’ approach with regards to cost, safety, accuracy and clinical outcomes are lacking. Due to marked reductions in patient radiation exposure and higher comparative accuracy and prognostic value make coronary computed tomographic angiography the preferred CT-based test for appropriately selected symptomatic patients.
New results on Γ-limits of integral functionals
Authors: Zeppieri Caterina Ida , Ansini Nadia , Dal Maso Gianni 
Published: March 2013

For

\psi \in W^{1,p}(\Omega ;\mathbb{R}^{m})

and

g \in W^{−1,p}(\Omega ;\mathbb{R}^{d})

,

1 < p < + \infty

, we consider a sequence of integral functionals

F_{k}^{\psi ,g}:W^{1,p}(\Omega ;\mathbb{R}^{m}) \times L^{p}(\Omega ;\mathbb{R}^{d \times n})\rightarrow [0, + \infty ]

of the form

F_{k}^{\psi ,g}(u,v) = \left\{\begin{matrix} \int _{\Omega }f_{k}(x,\mathrm{∇}u,v)\:dx & \text{if }u−\psi \in W_{0}^{1,p}(\Omega ;\mathbb{R}^{m})\text{ and }\mathrm{div}v = g, \\ + \infty & \text{otherwise,} \\ \end{matrix}\right.

where the integrands

f_{k}

satisfy growth conditions of order
p
, uniformly in
k
. We prove a
Γ
-compactness result for

F_{k}^{\psi ,g}

with respect to the weak topology of

W^{1,p}(\Omega ;\mathbb{R}^{m}) \times L^{p}(\Omega ;\mathbb{R}^{d \times n})

and we show that under suitable assumptions the integrand of the
Γ
-limit is continuously differentiable. We also provide a result concerning the convergence of momenta for minimizers of

F_{k}^{\psi ,g}

.

Résumé

Pour tout

\psi \in W^{1,p}(\Omega ;\mathbb{R}^{m})

et

g \in W^{−1,p}(\Omega ;\mathbb{R}^{d})

,

1 < p < + \infty

, nous considérons une suite de fonctionnelles intégrales

F_{k}^{\psi ,g}:W^{1,p}(\Omega ;\mathbb{R}^{m}) \times L^{p}(\Omega ;\mathbb{R}^{d \times n})\rightarrow [0, + \infty ]

définies par

F_{k}^{\psi ,g}(u,v) = \left\{\begin{matrix} \int _{\Omega }f_{k}(x,\mathrm{∇}u,v)\:dx & \text{si }u−\psi \in W_{0}^{1,p}(\Omega ;\mathbb{R}^{m})\text{ et }\mathrm{div}v = g, \\ + \infty & \text{sinon}, \\ \end{matrix}\right.

où les intégrandes

f_{k}

satisfont des conditions de croissance d'ordre
p
, uniformément en
k
. Nous démontrons un résultat de
Γ
-compacité pour

F_{k}^{\psi ,g}

par rapport à la topologie faible sur

W^{1,p}(\Omega ;\mathbb{R}^{m}) \times L^{p}(\Omega ;\mathbb{R}^{d \times n})

et nous prouvons que sous des conditions appropriées, l'intégrande de la
Γ
-limite est continûment différentiable. Nous montrons également un résultat de convergence des moments pour les minima de

F_{k}^{\psi ,g}

.
Mercury Toxicity in Wildland Firefighters
Authors: Smith William R. , Montopoli George , Byerly Andy , Montopoli Michelle , Harlow Hank , Wheeler Albert R. 
Published: February 2013

Objective Recent studies have shown that significant levels of mercury are being released into the atmosphere by wildland fires throughout the United States. Eagle populations in the western United States are experiencing mercury toxicity in areas where many of these massive fires are occurring. We hypothesized that wildland firefighters exposed to smoke and other contaminates from these extensive fires would also reflect elevated blood levels of mercury. Methods Wildland firefighters in the western United States were studied during the summers of 2007, 2008, and 2009. Pre- and post-fire season blood samples were tested for mercury in a cohort of firefighters and control subjects. Results Over the course of 3 summers, 66 firefighters were studied (41 had pre- and postseason blood draws). In 2008 and 2009 a control group was added with a total of 39 subjects (24 had pre- and postseason blood draws). Detectable blood levels of mercury were found in 6 firefighters, and 1 elevated level was found over the course of the study period. Six control subjects had detectable mercury levels, and no elevated levels were found. Conclusions This study did not show statistically significant elevated blood levels of mercury in our cohort of wildland firefighters. However, as forest fires continue to ignite, we recommend continued investigation to ensure the health and safety of firefighting crews.
MODELLING YIELDS OF NON-IRRIGATED WINTER WHEAT IN A SEMI-ARID MEDITERRANEAN ENVIRONMENT BASED ON DROUGHT VARIABILITY
Authors: ASCHONITIS V. G. , LITHOURGIDIS A. S. , DAMALAS C. A. , ANTONOPOULOS V. Z. 
Published: March 2013

SUMMARYRegression models for the prediction of grain yields of non-irrigated winter wheat in a semi-arid Mediterranean environment were developed based on drought variability. Twenty-five years (1980–2004) of climate data and yield data from four soils (sandy loam, clay, clay loam and sandy clay loam soil) in northern Greece were used for this purpose. Two variables were selected as explanatory variables of the models: (a) the monthly precipitation versus the monthly reference evapotranspiration ratio (P/ETo), which describes the monthly drought and consequently the water deficit conditions during the wheat-growing season and (b) the mean observed yield (y) of each soil, which indirectly describes the intrinsic fertility of the soils. A resampling technique using subsets of the data (bootstrapping) was applied to estimate the coefficients of the models, to assess the uncertainty of the selected explanatory variables and to validate the models. The models showed adequate predictive ability of wheat yields, defining the time and intensity of drought effects. The most crucial period for winter wheat was found to be primarily the vegetative-reproductive stage period between late winter and mid-spring (i.e. February to April). Soil clay content was found to be the most representative parameter in describing most of the physico-chemical parameters and properties of the soils and consequently the mean yield, indicating that yield is non-linearly correlated with most soil properties. With the proposed models, yield gap (YG) predictions between two growing seasons of the selected soils presented 84% accuracy in all years in the identification of the correct signal (+ or −) of yield increase or decrease, respectively, and adequate performance in the prediction of the mean YG.
A new Lower Cretaceous ichthyosaur from Russia reveals skull shape conservatism within Ophthalmosaurinae
Authors: FISCHER VALENTIN , ARKHANGELSKY MAXIM S. , USPENSKY GLEB N. , STENSHIN ILYA M. , GODEFROIT PASCAL 
Published: March 2013

AbstractOphthalmosaurinae is a recently recognized clade of derived ichthyosaurs (marine reptiles) ranging from the Bajocian (Middle Jurassic) to the late Albian (late Early Cretaceous). Whereas the Middle–Late Jurassic ophthalmosaurineOphthalmosaurusis often regarded as a hyperspecialized deep diver, very little is known about the anatomy, evolutionary history and ecology of Cretaceous ophthalmosaurines because of the scarcity of the fossils and the lack of well-preserved skull material. Here, we describe the skull of a new basal ophthalmosaurine ichthyosaur,Leninia stellansgen. et sp. nov., from the lower Aptian of western Russia, and compare the ocular characteristics of ophthalmosaurids.Leniniais recovered as a basal ophthalmosaurine; it possesses unique traits such as a star-shaped frontal–parietal suture as well as features previously thought to be unique toOphthalmosaurussuch as a supratemporal–stapes contact. A large sclerotic aperture – significantly larger than in platypterygiine ophthalmosaurids and similar to that of the largest-eyed modern animals (giant and colossal squids) – and reduced dentition appear widespread within ophthalmosaurines. This conservatism suggests ophthalmosaurine ophthalmosaurids occupied similar ecological niche(s) throughout their long evolutionary history.
Impact and control of protozoan parasites in maricultured fishes
Authors: BUCHMANN KURT 
Published: March 2013

SUMMARYAquaculture, including both freshwater and marine production, has on a world scale exhibited one of the highest growth rates within animal protein production during recent decades and is expected to expand further at the same rate within the next 10 years. Control of diseases is one of the most prominent challenges if this production goal is to be reached. Apart from viral, bacterial, fungal and metazoan infections it has been documented that protozoan parasites affect health and welfare and thereby production of fish in marine aquaculture. Representatives within the main protozoan groups such as amoebae, dinoflagellates, kinetoplastid flagellates, diplomonadid flagellates, apicomplexans, microsporidians and ciliates have been shown to cause severe morbidity and mortality among farmed fish. Well studied examples areNeoparamoeba perurans, Amyloodinium ocellatum, Spironucleus salmonicida, Ichthyobodo necator, Cryptobia salmositica, Loma salmonae, Cryptocaryon irritans, Miamiensis avidusandTrichodina jadranica. The present report provides details on the parasites’ biology and impact on productivity and evaluates tools for diagnosis, control and management. Special emphasis is placed on antiprotozoan immune responses in fish and a strategy for development of vaccines is presented.