bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Scars of the Inner Critic: Perfectionism and Nonsuicidal Self‐Injury in Eating Disorders
Authors: Claes Laurence , Soenens Bart , Vansteenkiste Maarten , Vandereycken Walter 
Published: September 2011

AbstractNonsuicidal self‐injury (NSSI) is quite common in eating disorder (ED) patients and we wondered whether this combined self‐harming behaviour is related to perfectionism, a feature often found in ED patients. In addition, we examined associations between perfectionism and functions underlying NSSI and the possible mediating role of intrapersonal perfectionism in the association between perceived parental criticism and NSSI. In a sample of 95 ED patients, 38.9% reported at least one type of NSSI, and this subgroup reported significantly higher levels of parental criticism and evaluative concerns perfectionism (ECP) compared with ED patients without NSSI. ECP was positively related to the self‐punishment and cry‐for‐help functions of NSSI. Finally, ECP was found to mediate the association between parental criticism and NSSI symptoms. Directions for future research and practical implications are discussed. Copyright © 2011 John Wiley & Sons, Ltd and Eating Disorders Association.
Multitemporal ALSM change detection, sediment delivery, and process mapping at an active earthflow
Authors: DeLong Stephen B. , Prentice Carol S. , Hilley George E. , Ebert Yael 
Published: September 2011

ABSTRACTRemote mapping and measurement of surface processes at high spatial resolution is among the frontiers in Earth surface process research. Remote measurements that allow meter‐scale mapping of landforms and quantification of landscape change can revolutionize the study of landscape evolution on human timescales. At Mill Gulch in northern California, USA, an active earthflow was surveyed in 2003 and 2007 by airborne laser swath mapping (ALSM), enabling meter‐scale quantification of landscape change. We calculate four‐year volumetric flux from the earthflow and compare it to long‐term catchment average erosion rates from cosmogenic radionuclide inventories from adjacent watersheds. We also present detailed maps of changing features on the earthflow, from which we can derive velocity estimates and infer dominant process. These measurements rely on proper digital elevation model (DEM) generation and a simple surface‐matching technique to align the multitemporal data in a manner that eliminates systematic error in either dataset. The mean surface elevation of the earthflow and an opposite slope that was directly influenced by the earthflow decreased 14 ± 1 mm/yr from 2003 to 2007. By making the conservative assumption that these features were the dominant contributor of sediment flux from the entire Mill Gulch drainage basin during this time interval, we calculate a minimum catchment‐averaged erosion rate of 0·30 ± 0·02 mm/yr. Analysis of beryllium‐10 (10Be) concentrations in fluvial sand from nearby Russian Gulch and the South Fork Gualala River provide catchment averaged erosion rates of 0·21 ± 0·04 and 0·23 ± 0·03 mm/yr respectively. From translated landscape features, we can infer surface velocities ranging from 0·5 m/yr in the wide upper ‘source’ portion of the flow to 5 m/yr in the narrow middle ‘transport’ portion of the flow. This study re‐affirms the importance of mass wasting processes in the sediment budgets of uplifting weak lithologies. Copyright © 2011 John Wiley & Sons, Ltd.
Environmental Predictors of Rotifer Community Structure in Two Types of Small Water Bodies
Authors: Kuczyńska‐Kippen Natalia , Wiśniewska Małgorzata 
Published: September 2011

AbstractThe species diversity and distribution of rotifers between different habitats (elodeids, helophytes and open water) of 34 field and 31 forest ponds, differing in regard to origin, size, depth, macrophyte cover, overshading and the presence of fish were examined (N = 381).197 taxa were found in both types of ponds with 32 species being rare, endangered or new to Polish fauna. The species composition and Shannon‐Wiener index distribution reflected heterogeinity of the habitats, while rotifer mean densities revealed a reverse pattern in both types of water bodies. The great variability of limnological features contributed to a lack of significant differences in rotifer abundance between both types of water bodies. Although some rotifers preferred one specific type of water body (forest vs. field), the type of habitat was a much stronger predictor of their distribution, which reflects a necessity to examine ponds in relation to their microhabitats created by various macrophytes. Rotifers revealed a strict division into two groups – of pelagic origin (e.g., Polyarthra vulgaris), which were attributed to the open water and helophytes, and of littoral origin (e.g., Lepadella patella), which were associated with elodeids, biomass of a plant habitat and a lack of fish. The selective choice of the most complex habitat (elodeids) by only littoral species suggests the weak impact of fish in the studied ponds and the most advantageous conditions for littoral rotifers among such a habitat. The first group comprised species characteristic of field ponds, while the second was characteristic of forest ponds. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Testate Amoeba (Arcellinida, Euglyphida) Ecology along a Poor‐Rich Gradient in Fens of Western Poland
Authors: Lamentowicz Łukasz , Gąbka Maciej , Rusińska Anna , Sobczyński Tadeusz , Owsianny Paweł M. , Lamentowicz Mariusz 
Published: September 2011

AbstractWe investigated the relationships between testate amoebae (Arcellinida, Euglyphida), vegetation and water chemistry along environmental gradients in minerotrophic peatlands (fens) in western Poland. We hypothesized that: a) hydrochemistry significantly influences structure of testate amoeba communities, and b) testate amoeba communities are more closely correlated with the hydrochemical variables (environment) than with the vegetation data. Testate amoeba communities and vegetation from 71 sample plots were investigated together with the hydro‐chemistry and hydrology based on 16 environmental variables and vegetation composition. Testate amoeba communities revealed a distinctive poor‐rich gradient in analysed fens. Mineral‐rich habitats, which were dominated by brown mosses, were preferred by a higher number of taxa than acidic habitats, which were dominated by Sphagnum. We recorded a total of 107 testate amoebae taxa. The average species richness of testate amoebae for brown mosses was higher (20) than for Sphagnum (13). We found that testate amoebae communities were similarly correlated with vascular plants, mosses and environmental parameters. Results of direct ordination demonstrate that hydrology, pH, Mg2+ and sodium remain the most important environmental control for the entire data set. CCA showed that in case of brown mosses hydrology, sodium and oxygen affect testate amoeba communities significantly whereas in Sphagnum only sodium emerge as most significant determining testate amoeba assemblages. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Prolactin and vasoinhibins: Endogenous players in diabetic retinopathy
Authors: Triebel Jakob , Macotela Yazmín , de la Escalera Gonzalo Martínez , Clapp Carmen 
Published: September 2011

AbstractDiabetic retinopathy is a disease of the retinal microvasculature that develops as a complication of diabetes mellitus and constitutes a major cause of blindness in adults of all ages. Diabetic retinopathy is characterized by the loss of capillary cells leading to increased vasopermeability, ischemia, and hypoxia that trigger the excessive formation of new blood vessels in the retina. The influence of the pituitary gland in the pathophysiology of diabetic retinopathy was recognized nearly six decades ago, but the contribution of pituitary hormones to this disease remains unclear. Recent studies have shown that the pituitary hormone prolactin is proteolytically cleaved to vasoinhibins, a family of peptides with potent antivasopermeability, vasoconstrictive, and antiangiogenic actions that can protect the eye against the deleterious effects of the diabetic state. In this review, we summarize what is known about the changes in the circulating levels of prolactin and vasoinhibins during diabetes and diabetic retinopathy as well as the implications of these changes for the development and progression of the disease with particular attention to hyperprolactinemia in pregnancy and postpartum. We discuss the effects of prolactin and vasoinhibins that may impact diabetic retinopathy and suggest these hormones as important targets for therapeutic interventions. © 2011 IUBMB IUBMB Life, 2011
N‐acetyl cysteine protects osteoblastic function from oxidative stress
Authors: Ueno T. , Yamada M. , Igarashi Y. , Ogawa T. 
Published: September 2011

AbstractWe tested the protective potential of an antioxidant amino acid derivative, N‐acetyl cysteine (NAC), in controlling oxidative stress against osteoblasts. Osteoblastic cells extracted from rat bone marrow were cultured. Oxidative stress was induced by adding 100 μM H2O2 into the culture media. Then, some H2O2‐treated cultures were cotreated with 2.5 or 5 mM NAC. Addition of H2O2 decreased the number of cells to 50% of untreated cultures at days 2. Addition of 5 mM NAC into H2O2 cultures resulted in a dose‐dependent increase in the number of cells, with the cell number being 50% greater than that in the 100 μM H2O2 culture. The gene expression levels of type I collagen, osteopontin, and osteocalcin were downregulated threefold by H2O2 on day 7. The H2O2‐suppressed gene expression was fully recovered by NAC cotreatment. The mineralizing capability, assessed by Von Kossa staining on day 15, were approximately 1.8 times greater in the NAC + H2O2 cotreated group than in the culture with H2O2 alone. These NAC‐mediated restorations were associated with an NAC dose‐dependent increase of intracellular glutathione and a NAC dose‐dependent decrease of intracellular reactive oxygen species. In conclusion, oxidative stress induced by H2O2 substantially impairs the proliferation, differentiation, and mineralization of osteoblasts. More importantly, the addition of NAC into the culture was found to restore these damages to a near normal level due to the improved redox balance, warranting further in vivo studies to test its therapeutic potential as a local antioxidative stress drug. © 2011 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 2011.
Is vitamin D a determinant of muscle mass and strength?
Authors: Marantes Isabel , Achenbach Sara J , Atkinson Elizabeth J , Khosla Sundeep , Melton L Joseph , Amin Shreyasee 
Published: September 2011

Abstract
There remains little consensus on the link between vitamin levels and muscle mass or strength. We therefore investigated the association of serum 25-hydroxyvitamin D (25(OH)D), 1,25-dihydroxyvitamin D (1,25(OH)2D), and parathyroid hormone (PTH) levels with skeletal muscle mass and strength. We studied 311 men (mean age, 56 years; range, 23–91 years) and 356 women (mean age, 57 years; range, 21–97 years) representing an age-stratified, random sample of community adults. Multivariate linear regression models were used to examine the association of skeletal muscle mass (by total body dual-energy X-ray absorptiometry) and strength (handgrip force and isometric knee extension moment) with each of 25(OH)D, 1,25(OH)2D, and PTH quartiles, adjusted for age, physical activity, fat mass, and season. We found no consistent association between 25(OH)D or PTH and any of our measurements of muscle mass or strength, in either men or women. However, in subjects younger than 65 years, there was a statistically significant association between low 1,25(OH)2D levels and low skeletal mass in both men and women and low isometric knee extension moment in women, after adjustment for potential confounders. Modestly low 25(OH)D or high PTH levels may not contribute significantly to sarcopenia or muscle weakness in community adults. The link between low 25(OH)D and increased fall risk reported by others may be due to factors that affect neuromuscular function rather than muscle strength. The association between low 1,25(OH)2D and low skeletal mass and low knee extension moment, particularly in younger people, needs further exploration. © 2011 American Society for Bone and Mineral Research
Development and Validation of a Stability Indicating HPLC Method for Determination of Granisetron
Authors: Souri Effat , Kargar Zahra , Saremi Shahrooz , Ravari Nazanin Shabani , Alvandifara Farhad , Amanloua Massoud 
Published: September 2011

AbstractThe aim of this study was to study the stress degradation of granisetron and analysis of the drug in the presence of its degradation products. Forced degradation studies were conducted on bulk sample using acidic, alkaline, oxidative, heat and photolytic conditions. Granisetron was relatively unstable under acidic, alkaline and oxidative conditions. Separation of granisetron and degradation products was achieved using a Nova‐Pak C8 column and acetonitrile‐KH2PO4 25 mM (75:25, v/v) as mobile phase with UV detection at 305 nm. The method was linear over the range of 0.2‐15 μg/mL granisetron (r2 > 0.999). The within‐day and between‐day precision values were also in the range of 0.5‐4%. The proposed method was successfully applied for quantitative determination of granisetron in tablets and in vitro dissolution studies.
Flavonoid Glycosides from the Leaves of Machilus philippinensis
Authors: Lin Hsiao‐Ching , Tsai Sheng‐Fa , Lee Shoei‐Sheng 
Published: September 2011

AbstractThirteen flavonoid glycosides (1‐7, 11‐13, 15, 17, and 18) were isolated from the EtOH extract of the leaves of Machilus philippinensis. Of these, kaempferol 3‐O‐(2‐O‐β‐D‐apiofuranosyl)‐α‐L‐rhamnopyranoside (1) and kaempferol 3‐O‐(2‐O‐β‐D‐apiofuranosyl)‐a‐L‐arabinofuranoside (2) are new natural products. By application of HPLC‐SPE‐NMR hyphenated technique, five additional flavonol glycosides were characterized (8‐10, 14, and 16). Their structures were elucidated based on spectroscopic analysis. Of these, quercetin 3‐O‐(6‐O‐α‐L‐rhamnopyranosyl)‐β‐D‐galactopyranoside (5) and kaempferol 3‐O‐α‐L‐arabinopyranoside (15) showed moderate inhibitory activity against α‐glucosidase type IV from Bacillus stearothermophilus with the IC50 values of 19.5 and 19.0 μM, respectively.
Whole genome analyses of African G2, G8, G9, and G12 rotavirus strains using sequence‐independent amplification and 454® pyrosequencing
Authors: Jere Khuzwayo C. , Mlera Luwanika , O'Neill Hester G. , Potgieter A. Christiaan , Page Nicola A. , Seheri Mapaseka L. , van Dijk Alberdina A. 
Published: September 2011

AbstractHigh mortality rates caused by rotaviruses are associated with several strains such as G2, G8, G9, and G12 rotaviruses. Rotaviruses with G9 and G12 genotypes emerged worldwide in the past two decades. G2 and G8 rotaviruses are however also characterized frequently across Africa. To understand the genetic constellation of African G2, G8, G9, and G12 rotavirus strains and their possible origin, sequence‐independent cDNA synthesis, amplification, and 454® pyrosequencing of the whole genomes of five human African rotavirus strains were performed. RotaC and phylogenetic analysis were used to assign and confirm the genotypes of the strains. Strains RVA/Human‐wt/MWI/1473/2001/G8P[4], RVA/Human‐wt/ZAF/3203WC/2009/G2P[4], RVA/Human‐wt/ZAF/3133WC/2009/G12P[4], RVA/Human‐wt/ZAF/3176WC/2009/G12P[6], and RVA/Human‐wt/ZAF/GR10924/1999/G9P[6] were assigned G8‐P[4]‐I2‐R2‐C2‐M2‐A2‐N2‐T2‐E2‐H2, G2‐P[4]‐I2‐R2‐C2‐M2‐A2‐N2‐T2‐E2‐H2, G12‐P[4]‐I1‐R1‐C1‐M1‐A1‐N1‐T1‐E1‐H1, G12‐P[6]‐I1‐R1‐C1‐M1‐A1‐N1‐T1‐E1‐H1, and G9‐P[6]‐I2‐R2‐C2‐M2‐A2‐N2‐T2‐E2‐H2 genotypes, respectively. The detection of both Wa‐ and DS‐1‐like genotypes in strain RVA/Human‐wt/ZAF/3133WC/2009/G12P[4] and Wa‐like, DS‐1‐like and P[6] genotypes in strain RVA/Human‐wt/ZAF/GR10924/1999/G9P[6] implies that these two strains were generated through intergenogroup genome reassortment. The close similarity of the genome segments of strain RVA/Human‐wt/MWI/1473/2001/G8P[4] to artiodactyl‐like, human‐bovine reassortant strains and human rotavirus strains suggests that it originated from or shares a common origin with bovine strains. It is therefore possible that this strain might have emerged through interspecies genome reassortment between human and artiodactyl rotaviruses. This study illustrates the swift characterization of all the 11 rotavirus genome segments by using a single set of universal primers for cDNA synthesis followed by 454® pyrosequencing and RotaC analysis. J. Med. Virol. 83:2018–2042, 2011. © 2011 Wiley‐Liss, Inc.
A low blood volume LC‐MS/MS assay for the quantification of fentanyl and its major metabolites norfentanyl and despropionyl fentanyl in children
Authors: Clavijo Claudia F. , Thomas James Joseph , Cromie Meghan , Schniedewind Björn , Hoffman Keith L. , Christians Uwe , Galinkin Jeffrey L. 
Published: September 2011

AbstractPreterm and term neonates often require surgical procedures and analgesia. However, our knowledge about neonatal pharmacokinetics of fentanyl, the most commonly used drug for these procedures, and its metabolites is still incomplete. To facilitate pharmacokinetic studies of fentanyl and its metabolites in neonates and other children, we developed and validated an LC‐MS/MS method based on minimally invasive, low blood volume sampling. LC‐MS/MS was used for the simultaneous analysis of fentanyl, despropionyl fentanyl (DPF), and norfentanyl from dried blood samples (DBS) collected on filter paper. Positive ions were monitored using multiple reaction monitoring. Since the standard matrix for measuring fentanyl blood concentrations is plasma, the assay was developed and validated in plasma, whole blood, and then DBS. Our method was able to measure clinically relevant levels of fentanyl and its metabolites. In DBS, the lower limits of quantification were 100 pg/mL for fentanyl with a range of reliable response from 0.1 to 100 ng/mL (r2>0.99) and 250 pg/mL for both DPF and norfentanyl with a range of reliable response from 0.25 to 100 ng/mL (r2>0.99). In plasma and in DBS inter‐day accuracy and precisions of fentanyl met predefined acceptance criteria and also indicated comparable assay performance in both matrices.
Dining Occasions, Service Failures and Customer Complaint Behaviours: an Empirical Assessment
Authors: Chang Janet , Khan Mahmood A. , Tsai Chen‐Tsang (Simon) 
Published: September 2011

ABSTRACTThis study mainly aims to examine the moderating effect of restaurant dining occasions on service failures and customer complaints thereon. The contribution of this study is to use a scenario‐based approach in restaurant settings. A total of 791 subjects participated in this study by using a between‐subjects factorial design. The results showed that the ‘product defects’ group reported slightly stronger complaint behaviours than did the ‘reservation was handled incorrectly’ group when having a birthday dinner party with friends. Similarly, respondents in the ‘unfriendly service’ group reported slightly stronger complaint behaviours than respondents in the ‘reservation was handled incorrectly’ group. In business dinner situations, significant differences also were noted in three types of service failures. Respondents in the ‘product defects’ group reported stronger complaint behaviour responses than did the ‘reservation was handled incorrectly’ group. In a similar vein, respondents in the ‘product defects’ group reported stronger complaint behaviours than respondents in the ‘unfriendly service’ group. However, complaint behaviours were not found to be statistically significant for a family gathering dinner occasion. Copyright © 2011 John Wiley & Sons, Ltd.
Developing self‐mixing interferometry for instrumentation and measurements
Authors: Donati S. 
Published: September 2011

AbstractIn this review, self‐mixing interferometry (SMI), a new configuration of interferometry, is discussed. SMI has practical advantages compared to standard interferometry, for example SMI does not require any optical part external to the laser chip and can be employed in a variety of measurements. Applications range from the traditional measurements related to optical pathlength – like displacement, small‐amplitude vibrations, velocity – to sensing of weak optical echoes – for return loss and isolation factor measurements, CD readout and scroll sensing – and also, a special feature because of the interaction with the medium, measurements of physical parameters, like the laser linewidth, coherence length, and the alfa factor. Because it is also a coherent detection scheme, the SMI works close to the quantum limit of the received field, typically ‐90 dBm, so that minimum detectable amplitudes of 100 pm/ √Hz are currently achieved upon operation on diffusive targets, whereas a corner cube allows half‐wavelength counting mode – or 0.5 μm resolution – on a dynamic range up to 2 m and more. With its compact setup, the SMI is easy to deploy in the field and can interface a variety of experiments – from MEMS testing to rotating machines vibration testing to pickup of biological motility. The illustration shows a double‐channel, differential SMI incorporated in a thermomechanical test equipment to trace the mechanical hysteresis cycle of the beads of a motor‐engine brake.
Anterior and posterior sagittal shift in cervical dystonia: A clinical and electromyographic study, including a new EMG approach of the longus colli muscle
Authors: Flowers Joanna M. , Hicklin Lucy A. , Marion Marie‐Helene 
Published: September 2011

AbstractAnterior and posterior sagittal shift of the head are less common postures in cervical dystonia and, as such, have not been comprehensively studied. In this article, we have detailed both our clinical and electromyography (EMG) findings in 11 patients with prominent dystonic sagittal shift of the head. A new technique of injection of the longus colli, based on a laterocervical approach under EMG guidance, is described. We have detailed the clinical phenotypes of dystonic posterior sagittal shift or “double chin” posture (4 patients) and anterior sagittal shift or “goose neck” posture (7 patients) and proposed specific botulinum toxin (BoNT) treatment protocols for these postures. Seven patients with the goose‐neck posture responded well (70%–90% benefit) to BoNT injections. Six patients responded to splenius capitii injections alone, and 1 patient needed, in addition, the injection into both sterno‐cleido‐mastoid muscles. Four patients with the double‐chin posture responded well to BoNT injection (50%–80% benefit). Two patients responded to suprahyoid injection alone, and 2 patients needed, in addition, the injection into the sterno‐cleido‐mastoid and longus colli muscles. Dysphagia was avoided in all of the double‐chin patient group by adjusting our injection technique into the suprahyoid and longus colli muscles. The individualised toxin BoNT protocols have resulted in an improved benefit. The new Longus colli injection technique has allowed for a therapeutic effect of botulinum toxin without causing dysphagia. © 2011 Movement Disorder Society