bluuebunny/crossref_metadata_2025_split huggingface dataset:
Sn‐based Chalcogenide Composite as a High‐Capacity Anode Material for Lithium Rechargeable Batteries
Authors: Lee Youngmin , Bae Suk‐Rok , Park Bong Je , Shin Dong Wook , Chung Woon Jin , Kang Yong‐Mook 
Published: April 2012

Sn‐based chalcogenide composites (TCC) were synthesized as high‐capacity anode materials. SnS formed within TCCs is an active center for Li‐intercalation. Electrochemical cycling shows that the Sn–Ge–S matrix suppresses the volume expansion that can arise from alloying between Sn and Li as well as the grain growth associated with the low melting temperature of Sn. Sn–Ge–S complex phases in an amorphous state can contribute to the high capacity of Sn:Ge–S (6:4 m/m), possibly suppressing the agglomeration and pulverization of Sn.
Synthesis, Sintering, Transport Properties, and Surface Exchange of La2Ni0.9Cu0.1O4+δ
Authors: Li Zuoan , Norby Truls , Haugsrud Reidar 
Published: April 2012

Dense La2Ni0.9Cu0.1O4+δ ceramics were sintered from powders synthesized through a wet‐chemical citrate nitrate route with optimized ratios of citrate to nitrate. Less citrate decreases the required sintering temperature and improves the oxygen permeativity. The oxygen permeation was measured as a function of oxygen activity gradient, membrane thickness (0.4–2.6 mm) and temperature (800°C–950°C). The oxygen self diffusion coefficient DO and the surface exchange coefficient k show Arrhenius‐type behaviors with activation energies of ~50 and ~100 kJ/mol, respectively. The oxygen chemical diffusion coefficient Dchem and surface exchange coefficient kchem, measured by conductivity relaxation, exhibit Arrhenius‐type behaviors with activation energies of 62 and 104 kJ/mol, respectively. Dchem and kchem are related to DO and k through the thermodynamic factor ωO.
Intravenous Immunoglobulin Treatment Increased Live Birth Rate in a Spanish Cohort of Women with Recurrent Reproductive Failure and Expanded CD56+ Cells
Authors: Moraru Manuela , Carbone Javier , Alecsandru Diana , Castillo‐Rama Marcela , García‐Segovia Aurea , Gil Juana , Alonso Bárbara , Aguarón Angel , Ramos‐Medina Rocío , Martínez de María Juan , Oliver‐Miñarro Desamparados , Rodríguez‐Mahou Margarita , Ortega Virginia , Caballero Pedro , Meliá Elena , Vidal Juan , Cianchetta‐Sivori Malena , Esteban Carmen , Vargas‐Henny Loreto , Dale Jonathan , Ortiz‐Quintana Luis , Fernández‐Cruz Eduardo , Sánchez‐Ramón Silvia 
Published: April 2012

ProblemNatural killer (NK, CD3−
CD56+/CD16+) and NKT‐like cells (CD3+
CD56+/CD16+) activity is considered among the key factors for reproductive success. In the absence of immunological screening, beneficial effects of intravenous immunoglobulin (IVIG) in preventing recurrent reproductive failure (RRF) have not been reported. Here, we analyse the IVIG influence on pregnancy success in women with RRF and circulating NK or/and NKT‐like cells expansion.Method of studyOne hundred fifty‐seven women with previous recurrent miscarriage and/or recurrent implantation failure after in vitro fertilization were consecutively studied. Sixty‐four patients with CD56+ cell expansion, no apparent underlying disease and who maintained their desire to conceive were selected. Forty of them received IVIG during pregnancy.ResultsOverall, the clinical pregnancy rate for the women under IVIG therapy was 92.5% and the live birth rate was 82.5%. Significantly lower pregnancy and live birth rates (25% and 12.5%, respectively) were observed for the patients with recurrent pregnancy loss and NK/NKT‐like cells expansion without IVIG. After three cycles of IVIG, NK cell percentages decreased significantly and these values persisted throughout gestation.ConclusionIntravenous immunoglobulin therapy for women with RRF and NK or NKT‐like cell expansion was a safe and beneficial therapeutic strategy that associated with high clinical pregnancy and live birth rates.
The Association Between Endometriosis and Polymorphisms in the Interleukin‐1 Family Genes in Korean Women
Authors: Chun Sungwook , Kim Hoon , Ku Seung‐Yup , Suh Chang Suk , Kim Seok Hyun , Kim Jung Gu 
Published: April 2012

ProblemTo investigate the association between polymorphisms of the interleukin‐1 (IL‐1) family genes and endometriosis in Korean women.Method of studyIn this case–control study, the IL‐1α −889C>T, IL‐1 receptor antagonist (IL‐1RA) 86‐bp microsatellite, IL‐1 receptor 1 (IL‐1R1) 52C>A, 294C>T, 1498T>C, 1632A>G, IL‐1R2 rs2072472 C>T and rs7561460 C>T polymorphisms were analyzed in women with (n = 138) and without (n = 214) endometriosis using restriction fragment length polymorphism (RFLP) analysis, TaqMan assay, or DNA sequencing. Serum IL‐1α, soluble IL‐1RA (sIL‐1RA), and sIL‐1R2 levels were measured by enzyme‐linked immunosorbent assay (ELISA).ResultsAmong the polymorphisms measured, the 1498T>C polymorphisms in the IL‐1R1 gene were found to be related with early‐stage endometriosis but not with advanced‐stage endometriosis. The genotypes with at least one T allele (CT + TT) were less frequently observed in early‐stage endometriosis compared with normal controls (OR = 0.44, 95% CI = 0.22–0.87, P = 0.02). Serum sIL‐1R2 levels were significantly lower (P < 0.01) in women with endometriosis than in normal controls, whereas no difference in serum sIL‐1RA levels between these two groups was noted. The single and haplotype genotypes of the IL‐1R2 and IL‐1RA microsatellite polymorphisms were not related with these serum levels.ConclusionThe IL‐1R1 1498T>C polymorphism is associated with early‐stage endometriosis in Korean women.
The Frequency of Peripheral Blood CD4+ CD25high FoxP3+ and CD4+ CD25− FoxP3+ Regulatory T Cells in Normal Pregnancy and Pre‐Eclampsia
Authors: Toldi Gergely , Saito Shigeru , Shima Tomoko , Halmos Amrita , Veresh Zoltán , Vásárhelyi Barna , Rigó János , Molvarec Attila 
Published: April 2012

ProblemRegulatory T cells (Tregs) play an important role in the development of pregnancy‐specific immune tolerance. We aimed to determine the peripheral frequency of a recently described Treg subpopulation, the CD4+ CD25− FoxP3+ Treg subset, and its correlation with the conventional CD4+ CD25high FoxP3+ Tregs in normal pregnancy (NP) and pre‐eclampsia (PE) compared to non‐pregnant (non‐P) women. We also examined the proportion of the activated CD4+ CD25high FoxP3high Treg subset within conventional Treg cells.MethodWe took peripheral blood samples from 20 PE, 20 NP, and 12 non‐P women and determined the frequency of the above Treg subsets using flow cytometry.ResultsThe frequency of conventional CD4+ CD25high FoxP3+ Tregs and activated CD4+ CD25high FoxP3high Tregs, but also that of non‐conventional CD4+ CD25− FoxP3+ Tregs was higher in NP compared to non‐P women, but lower again in PE, reaching comparable levels to the non‐P group. The ratios of CD4+ CD25high FoxP3+ and CD4+ CD25− FoxP3+ Treg subsets were constant in all three investigated groups.ConclusionOur results indicate that the frequency of conventional and non‐conventional Tregs alters simultaneously, and the presence in circulation of both of these Treg subsets is similarly important in the adequate development of pregnancy‐specific immune tolerance.
Biocompatibility and biomineralization assessment of a new root canal sealer and root‐end filling material
Authors: Cintra Luciano Tavares Angelo , Ribeiro Thiago Alexandre Alves , Gomes‐Filho João Eduardo , Bernabé Pedro Felício Estrada , Watanabe Simone , Facundo Aguinaldo Cândido da Silva , Samuel Renata Oliveira , Dezan‐Junior Eloi 
Published: April 2012

AbstractObjectiveThis study investigated the short‐term subcutaneous tissue reaction and biomineralization ability of two epoxy‐based root canal sealers containing calcium hydroxide (MBP and MBPc) and ProRoot MTA.Materials and methodsPolyethylene tubes containing the materials were implanted into the dorsal connective tissue of Wistar rats (n = 52) for 7 or 30 days; empty implanted tubes served as controls. Specimens were stained with hematoxylin–eosin and von Kossa stain or left unstained for observation under polarized light. Qualitative and quantitative evaluations of all tissue reactions were performed. One‐way anova and the Kruskal–Wallis test were used for statistical analysis (P < 0.05).ResultsNo significant differences were observed among the groups. All three materials induced mild‐to‐moderate tissue reactions at 7 days, which decreased over time. Dystrophic mineralization and birefringent structures were observed only in the ProRoot MTA
® group.ConclusionBoth MBP and MBPc appear to be biocompatible but do not stimulate biomineralization.
Mechanically Assisted Deposition of Nikel Oxide–Ytttria Stabilized Zirconia Nanocomposite Film and its Microstructural Evolution for Solid Oxide Fuel Cells Anode Application
Authors: Abe Hiroya , Naito Makio , Sato Kazuyoshi 
Published: April 2012

Nikel oxide–ytttria stabilized zirconia (NiO–YSZ) nanocomposite particles were synthesized and deposited on a dense YSZ substrate using an attrition‐type milling apparatus. The NiO–YSZ nanocomposite porous films were successfully fabricated from the nanocomposite particles with high specific surface areas (≫10 m2/g). In this deposition, the nanocomposite particles were mechanically dispersed in air, resulting in their fine aggregates (~100 nm in size). Then, they were mechanically impacted on the substrate (collision speed, ~30 m/s). By the subsequent sintering of the nanocomposite film, the finely constructed three dimensional NiO–YSZ network structure was formed, and its reduced Ni–YSZ porous film showed an excellent SOFC anode performance.
Nano‐Materials Design for High‐TC Ferromagnets of Ti1‐xCoxO2 Nanosheets
Authors: Osada Minoru , Sasaki Takayoshi , Ono Kanta 
Published: April 2012

We present materials design of high‐TC ferromagnetic nanomaterials based on first‐principles calculations. Two‐dimensional (2D) titania nanosheet, a recently discovered room‐temperature (RT) ferromagnetic nanomaterial, is an important target for 2D ferromagnets. In Ti1‐xCoxO2 nanosheets with Co2+ oxidation state, the ferromagnetic states are highly stabilized up to x = 0.5 with a modest doping dependence of magnetic moment (~1 µB/Co). Moreover, we find that tailoring properties could be achieved by tuning Co oxidation states, and the optimally doped Ti1‐xCoxO2 nanosheets (Co3+; x = 0.125, 0.25) are found to be an excellent RT half‐metallic ferromagnet with a large magnetic moment (~4 µB/Co). 2D nanosheet is therefore expected to provide a very useful platform for nanoscale spinelectronics devices.
Managing delirium in the acute care setting: a pilot focus group study
Authors: Yevchak Andrea , Steis Melinda , Diehl Theresa , Hill Nikki , Kolanowski Ann , Fick Donna 
Published: April 2012

yevchak a., steis m., diehl t., hill n., kolanowski a. & fick d. (2012) Managing delirium in the acute care setting: a pilot, focus group study. International Journal of Older People Nursing7, 152–162  doi: 10.1111/j.1748‐3743.2012.00324.xBackground:  Delirium frequently occurs in hospitalised older adults leading to poor outcomes and frequent adverse events. Proper recognition and management of delirium by acute care nurses can minimise the effects of negative sequelae associated with delirium.Aim:  This pilot study used focus group methodology to: (i) describe acute care nurse’s experience and knowledge regarding assessment and management of delirium in hospitalised older adults; (ii) illustrate potential facilitators and barriers to non‐drug management of delirium; and (iii) to explicate the use of non‐drug interventions by acute care nurses to manage delirium in hospitalised older adults.Design:  Qualitative, pilot study.Methods:  A total of 16 nurse participants, working on medical, surgical and orthopaedic units from one acute care hospital participated in two focus groups.Results:  Main themes included the following: confusion is normal; our duty is to protect; and finding a balance. Nurses were able to identify non‐pharmacological interventions for delirium and facilitators and barriers to using these in clinical practice.Conclusions:  Findings from this pilot study illustrate the need for regular assessment of cognitive status in hospitalised older adults and nursing staff education regarding the use of non‐pharmacological management of delirium. Based on their experience, nurses have a wealth of ideas for managing delirium. Areas for future research and policy are also highlighted.Implications for practice:  More research is needed on how to improve delirium management by acute care nurses to increase the efficacy and use of non‐pharmacological interventions in the management of delirium in hospitalised older adults. To translate these findings into practice, nursing care needs to be guided by evidence‐based guidelines to implement non‐pharmacological strategies in the acute care setting.
Prognostic Implications of Left Ventricular Dilation in Patients With Nonischemic Heart Failure: Interactions With Restrictive Filling Pattern and Mitral Regurgitation
Authors: Ghio Stefano , Temporelli Pier L. , Marsan Nina A. , Poppe Katrina , Giannuzzi Pantaleo , Dini Frank L. , Rossi Andrea , Doughty Robert N. , Whalley Gillian ,   on behalf of the MeRGE HF collaborators
Published: April 2012

Congest Heart Fail. ****;**:**–**. ©2012 Wiley Periodicals, Inc.The aim of this study was to evaluate whether small left ventricular (LV) volumes increase the negative prognostic impact of a restrictive filling pattern (RFP) and that of mitral regurgitation (MR) in patients with nonischemic heart failure (HF). The Meta‐analysis Research Group in Echocardiography (MeRGE) is a meta‐analysis that collated individual patient data from several prospective echocardiography outcome studies. This analysis was restricted to 10 studies and 601 patients with nonischemic HF. The role of MR was tested in a subgroup of 252 patients. A total of 106 deaths occurred during a median follow‐up of 32 months. At multivariate analysis, RFP (hazard ratio [HR], 4.16; 95% confidence interval [CI], 1.54–11.23; P=.005) and New York Heart Association class III or IV (HR, 2.15; 95% CI, 1.33–3.47; P=.001) were the independent predictors of poor prognosis, and there was no statistically significant interaction between LV dilation and RFP. Moderate/severe MR was associated with poorer outcome in the group of patients with normal volumes, whereas it was not a significant predictor of mortality in patients with any degree of LV dilation. In patients with nonischemic HF, RFP is the most important indicator of poor prognosis, irrespective of the degree of LV dilation. Normal LV volumes increase the negative prognostic impact of moderate to severe MR.
Community‐Based Approaches to Prevention and Management of Hypertension and Cardiovascular Disease
Authors: Ferdinand Keith C. , Patterson Kellee P. , Taylor Cheryl , Fergus Icilma V. , Nasser Samar A. , Ferdinand Daphne P. 
Published: April 2012

J Clin Hypertens (Greenwich). 2012; 14:336–343. ©2012 Wiley Periodicals, Inc.Community hypertension (HTN) outreach seeks to improve public health by identifying HTN and cardiovascular disease (CVD) risks. In the 1980s, the National Heart, Lung, and Blood Institute (NHLBI) funded multiple positive community studies. Additionally, the Centers for Disease Control and Prevention's (CDC's) Racial and Ethnic Approaches to Community Health (REACH) program addresses CVD risks. In 1978, in Baltimore, MD, the Association of Black Cardiologists (ABC), organized barbershops and churches as HTN control centers, as in New Orleans, LA, since 1993, the Healthy Heart Community Prevention Project (HHCPP). Also, the NHLBI Community Health Workers and Promotores de Salud are beneficial. The American Society of Hypertension (ASH) Hypertension Community Outreach program provides free HTN and CVD screenings, digital BP monitors, multilingual and literacy‐appropriate information, and videos. Contemporary major federal programs, such as the Million Hearts Initiative, are ongoing. Overall, the evidence‐based Logic Model should enhance planning, implementation, and dissemination.
AN ETHICS OF THE UNCONSCIOUS
Authors: Schwartz Susan 
Published: April 2012

abstractThis paper is written from a Lacanian perspective and considers Lacan's development of his theory of ethics from its origins in Freud's exploration of psychic inscriptions to a notion of ethics oriented to the Real of the unconscious, the Real that is not symbolizable. The aim of analysis is to change the way the subject enjoys his symptom, a change from suffering to a satisfaction that comes from having a choice. Using the conceptual tools of Lacanian psychoanalysis which differentiate between Imaginary (the image and its lures), the Symbolic (the signifier and the structure of language) and the Real (enjoyment in the body that language does not reach), the argument moves beyond an idea of truth attached to meaning. That is the truth that the analyst's interpretation might produce; its beyond is a notion of truth grounded in the enjoyment of the symptom outside meaning, a truth that will allow for an ethics of psychoanalysis that is oriented towards the Real of jouissance by the compass of affect.
Morphology Characteristics of Southern Appalachian Wilderness Streams1
Authors: Zink Jason M. , Jennings Gregory D. , Alexander Price G. 
Published: April 2012

Zink, Jason M., Gregory D. Jennings, and G. Alexander Price, 2012. Morphology Characteristics of Southern Appalachian Wilderness Streams. Journal of the American Water Resources Association (JAWRA) 48(4): 762‐773. DOI: 10.1111/j.1752‐1688.2012.00647.xAbstract:  Watersheds without urbanization or impacts from logging are rare in the southern Appalachian Mountains. The Joyce Kilmer/Slickrock Wilderness of North Carolina and Tennessee contains 24 km2 of old‐growth forest, with the balance of the wilderness in a mature second‐growth forest. The watersheds of Little Santeetlah and Slickrock Creek are located within the wilderness. Morphological information, including channel dimensions and longitudinal profiles, was gathered from 14 alluvial stream reaches in these watersheds. The study sites had drainage areas from 0.25 to 41.6 km2 and stream slopes from 0.014 to 0.104 m/m. Bankfull cross‐section dimensions of the study stream reaches were strongly correlated to drainage area across the observed range of slopes and bed morphology. Cross‐section area and width relationships for the streams in this study did not differ significantly from regional curves for the mountain physiographic region of North Carolina. Observations of these reaches did not suggest a definitive rule regarding the proportion of steps and riffles in streams. Pools occupied greater than 50% of the length in all stream reaches with slopes less than 0.07 m/m. Significant correlation existed between step height ratio and slope, suggesting that step height can be approximated as the product of channel width and slope. Riffle length and riffle slope ratios were also significantly correlated with slope, though pool spacing was not.
Reconstructions of Soil Moisture for the Upper Colorado River Basin Using Tree‐Ring Chronologies1
Authors: Anderson SallyRose , Tootle Glenn , Grissino‐Mayer Henri 
Published: April 2012

Anderson, SallyRose, Glenn Tootle, and Henri Grissino‐Mayer, 2012. Reconstructions of Soil Moisture for the Upper Colorado River Basin Using Tree‐Ring Chronologies. Journal of the American Water Resources Association (JAWRA) 48(4): 849‐858. DOI: 10.1111/j.1752‐1688.2012.00651.xAbstract:  Soil moisture is an important factor in the global hydrologic cycle, but existing reconstructions of historic soil moisture are limited. We used tree‐ring chronologies to reconstruct annual soil moisture in the Upper Colorado River Basin (UCRB). Gridded soil moisture data were spatially regionalized using principal components analysis and k‐nearest neighbor techniques. We correlated moisture sensitive tree‐ring chronologies in and adjacent to the UCRB with regional soil moisture and tested the relationships for temporal stability. Chronologies that were positively correlated and stable for the calibration period were retained. We used stepwise linear regression to identify the best predictor combinations for each soil moisture region. The regressions explained 42‐78% of the variability in soil moisture data. We performed reconstructions for individual soil moisture grid cells to enhance understanding of the disparity in reconstructive skill across the regions. Reconstructions that used chronologies based on ponderosa pines (Pinus ponderosa) and pinyon pines (Pinus edulis) explained more variance in the datasets. Reconstructed soil moisture data was standardized and compared with standardized reconstructed streamflow and snow water equivalent data from the same region. Soil moisture and other hydrologic variables were highly correlated, indicating reconstructions of soil moisture in the UCRB using tree‐ring chronologies successfully represent hydrologic trends.
Insulin secretion and computed tomography values of the pancreas in the early stage of the development of diabetes
Authors: Yokota Kazuki , Fukushima Mitsuo , Takahashi Yoshihisa , Igaki Naoya , Seino Susumu 
Published: April 2012

AbstractAims/Introduction:  The computed tomography (CT) value of the pancreas was examined across the range of glucose tolerance, and the relationships between pancreatic CT values and factors responsible for glucose intolerance were analyzed.Materials and Methods:  A total of 167 health‐check examinees were classified into normal glucose tolerance (NGT), impaired glucose tolerance (IGT) and diabetes mellitus (DM) according to 75 g oral glucose tolerance test (OGTT). Pancreatic and hepatic CT values were estimated at decreasing stages of glucose tolerance. The association of CT values of the pancreas and the indices of glucose tolerance were analyzed.Results:  Insulinogenic index (II) was decreased from NGT through IGT to DM. Mean pancreatic CT value was decreased significantly from NGT through IGT to DM. Mean area under the curves of glucose (AUC‐G) was significantly associated with II and insulin sensitivity index (ISI) composite in univariate analysis. In multiple regression analysis, II was most strongly inversely correlated with mean AUC‐G, suggesting that II is the strongest determinant of glucose tolerance in Japanese. In addition, II was significantly associated with mean pancreatic CT value in univariate analysis. In multiple regression analysis, mean pancreatic CT value was strongly correlated with II.Conclusions:  Pancreatic CT values were significantly decreased from NGT through IGT to DM. II was the strongest determinant of glucose tolerance, and was significantly influenced by pancreatic CT values. Thus, pancreatic fat deposition might impair insulin secretion in the early stage of development of type 2 diabetes, before overt deterioration of glucose tolerance. (J Diabetes Invest, doi: 10.1111/j.2040‐1124.2012.00212.x, 2012)