bluuebunny/crossref_metadata_2025_split huggingface dataset:
Changes in nutrition and dietetic research: A content analysis of the past decade of Dietitians Association of Australia conference abstracts
Authors: Porter Judi , Bristow Claire , Charlton Karen , Tapsell Linda , Choi Tammie 
Published: June 2019

AbstractAimAs a sample of research outputs supported by the nutrition and dietetics profession in Australia, the present study aimed to conduct a content analysis of Dietitians Association of Australia (DAA) conference abstracts to identify themes, methods and contribution by geographical location over time.MethodsConference abstracts published during the period 2008‐2018 (excluding those from the International Congress of Dietetics in 2012) were obtained. Key outcome data including topics of research and methodological approach were extracted. Leximancer, a computer‐assisted content analysis program, was used in the development of concept maps. Thematic analysis was undertaken independently by two authors and consensus was obtained.ResultsA total of 2246 oral and poster presentation abstracts and 56 plenary abstracts were imported and synthesised. The most commonly utilised research designs were cross‐sectional studies and evaluation research. There was a significant increase in the proportion of systematic literature reviews, and a decreasing proportion of randomised controlled trials presented across the study period. Output was greatest from authors in Queensland and New South Wales. A clear spike in abstracts was observed for the host state across all years. Since 2015 concept maps appeared more interconnected, suggesting a trend for research focus towards integrated nutrition topics. Overarching themes for emerging research topics included Indigenous nutrition and the curriculum for dietetics education. Food/foods emerged as a theme across multiple research methods and in a wide range of contexts and settings.ConclusionsThe synthesis of findings suggests that research presented at the DAA conference is largely practice driven.
Mycoplasma genitaliumincidence, treatment failure, and resistance: a retrospective survey of men of infertile couples from a hospital in China
Authors: Li W. N. , Shi L. , Long X.Y. , Li Y. , Zhu W.B. , Liu G. 
Published: June 2019

AbstractBackgroundMycoplasma genitaliuminfection is significantly associated with an increased risk of male infertility. To date, few largeM. genitaliumstudies have been conducted in China.ObjectiveThis study aimed to estimate theM. genitaliumincidence and treatment failure and to provide information regarding the resistance ofM. genitaliumto macrolide and tetracycline antibiotics among men of infertile couples in China.Materials and MethodsThis study was performed as a retrospective survey of seminal and meatus urinarius secreta specimens of 30,094 men of infertile couples collected and used for microbiological tests for the evaluation of genital tract infections (Mycoplasma genitalium,Chlamydia trachomatis,andNeisseria gonorrhoeae) between October 2016 and December 2017.Mycoplasma genitaliumRNAwas detected using novel simultaneous amplification testing. Macrolide and tetracycline resistance screening was introduced using polymerase chain reaction (PCR) and Sanger sequencing.ResultsThe incidence ofM. genitaliumwas 2.49% (749 of 30,094; 95% confidence interval (CI), 2.31–2.66%). After antibiotic treatment, the mean values of semen parameters increased from those measured before treatment. The overall incidence of treatment failure was 17.56% (82/467; 95%CI, 14.10%–21.02%) (112−26−4 = 82), irrespective of the drug used. Resistance to macrolide and tetracycline antibiotics was detected in 58 samples (58/60, 96.67%; 95%CI, 91.99–101.34%) and 27 samples (27/60, 45.00%; 95%CI, 32.04–57.96%), respectively.ConclusionsAlthough theM. genitaliumincidence was relatively low, the detection of macrolide antibiotic resistance in >96.67% of the treatment failure samples most likely explained the high azithromycin treatment failure rate (73/195, 37.44%) in our study. These findings indicate the need to provide resistance testing and to reappraise the recommended antimicrobial options in China.
Understanding Prosperity in East London: Local Meanings and “Sticky” Measures of the Good Life
Authors: Moore Henrietta L. , Woodcraft Saffron 
Published: June 2019

AbstractThe UN's Sustainable Development Goals (SDGs) have been conceived as a global roadmap for peace, dignity, and prosperity on a healthy planet (UNDP 2016). The SDGs challenge the dominant notion of prosperity as material wealth measured by GDP and rising household incomes; instead prosperity is reframed as a shared condition to be weighed alongside ending poverty, tackling inequalities, and safeguarding the environment. Cities are identified as having a critical role in generating and equitably distributing prosperity on these terms. Reframing prosperity in this way opens up space for new forms of dialogue about what it means for people everywhere to prosper, asking how material wealth, other forms of value, equity, and fairness, and the needs of humans and nonhumans are differentially understood and acted on. Yet this article argues that prosperity is understudied and undertheorized by social scientists. A new research agenda, driven by empirical studies in diverse urban contexts, must form the basis for new theoretical insights and policy formation that will drive action on prosperity in the years to come. Presenting new empirical work from community‐led research in three east London neighborhoods, the article examines prosperity as a lived experience in comparison to policy goal, demonstrating how context‐specific meanings and practices challenge the orthodox models and metrics that currently dominate policymaking. The authors demonstrate how situated and engaged research with local residents and citizen scientists provides the basis for developing new prosperity metrics that reflect issues of specific value and concern to individuals and communities in east London.
Protected area downgrading, downsizing, and degazettement as a threat to iconic protected areas
Authors: Qin Siyu , Golden Kroner Rachel E. , Cook Carly , Tesfaw Anteneh T. , Braybrook Rowan , Rodriguez Carlos Manuel , Poelking Claire , Mascia Michael B. 
Published: June 2019

AbstractProtected areas (PAs) are expected to conserve nature and provide ecosystem services in perpetuity, yet widespread protected area downgrading, downsizing, and degazettement (PADDD) may compromise these objectives. Even iconic protected areas are vulnerable to PADDD, although these PADDD events are often unrecognized. We identified 23 enacted and proposed PADDD events within World Natural Heritage Sites and examined the history, context, and consequences of PADDD events in 4 iconic PAs (Yosemite National Park, Arabian Oryx Sanctuary, Yasuní National Park, and Virunga National Park). Based on insights from published research and international workshops, these 4 cases revealed the diverse pressures brought on by competing interests to develop or exploit natural landscapes and the variety of mechanisms that enables PADDD. Knowledge gaps exist in understanding of the conditions through which development pressures translate to PADDD events and their impacts, partially due to a lack of comprehensive PADDD records. Future research priorities should include comprehensive regional and country‐level profiles and analysis of risks, impacts, and contextual factors related to PADDD. Policy options to better govern PADDD include improving tracking and reporting of PADDD events, establishing transparent PADDD policy processes, coordinating among legal frameworks, and mitigating negative impacts of PADDD. To support PADDD research and policy reforms, enhanced human and financial capacities are needed to train local researchers and to host publicly accessible data. As the conservation community considers the achievements of Aichi Target 11 and moves toward new biodiversity targets beyond 2020, researchers, practitioners, and policy makers need to work together to better track, assess, and govern PADDD globally.
Energy‐efficient dyeing of nylon 6 using indigo powder dyestuff after atmospheric plasma treatment at ambient pressure
Authors: Fan Fei , Wu Yingzhu , Wu Xunxin 
Published: June 2019

AbstractNylon 6 was treated with a dielectric barrier discharge, i.e. atmospheric plasma at ordinary air pressure. Factors influencing the dyeing process of nylon 6 using indigo blue powder were studied. The mechanism and effect of this dyeing technology were compared with those of conventional technology. Dyeing after plasma treatment at 30–50 °C can produce high dye uptake in a short time. Notably, dyeing after plasma treatment is beneficial for energy conservation. However, at 60–70 °C, the K/S values of plasma‐treatment dyeing sharply increased over a short time, after which they remained largely unchanged. This finding indicated that the dyeing mechanism changed. The speed constant of dyeing after plasma treatment is 2.8 times that of conventional dyeing. The K/S values of dyeing samples after plasma treatment approached the dyeing saturation K/S value in a short time; therefore, this method of dyeing after plasma treatment achieves energy conservation and efficiency in a brief period of time. Conversely, conventional dyeing is more effective at high temperatures but consumes more energy. The adaptive electro‐discharge condition is achieved under the treatment conditions of 375 W for 2 min. The chromatic aberration of the dyed samples after plasma treatment is smaller than that of conventional dyeing at 50 °C for 75 min.
Helicobacter pylori pathogenicity and primary antimicrobial resistance in Northern Spain
Authors: Fernández‐Reyes María , Tamayo Esther , Rojas‐Rengifo Diana , Fischer Wolfgang , Carrasco‐García Estefanía , Alonso Marta , Lizasoain Jacobo , Bujanda Luis , Cosme Ángel , Montes Milagrosa 
Published: June 2019

AbstractBackgroundHelicobacter pylori infection is associated with chronic gastritis, ulcers and gastric cancer. Antimicrobial resistance has increased worldwide affecting the efficacy of current treatments. Most guidelines recommend implementation of regional surveillance of primary antibiotic resistance of H pylori. Only a fraction of individuals infected with H pylori develop gastric diseases which are related to virulence factors of the bacteria. The aims of the study were to determine the primary antimicrobial resistance rates of H pylori and to know the virulence factors prevalence of strains circulating in Southern Europe.Materials and MethodsSusceptibility testing by Etest to clarithromycin, levofloxacin, metronidazole, amoxicillin and tetracycline was performed in 102 isolates (99 naïve patients). The prevalence of virulence factors (cagA, vacA, oipA, babA and dupA) was evaluated in 102 H pylori isolates from patients with mild‐disease symptoms and in 22 isolates from patients with severe‐disease symptoms.ResultsPrimary resistance rates were 12.1% to clarithromycin, 13.1% to levofloxacin, 24.2% to metronidazole and 0% to amoxicillin and tetracycline. Combined resistance to clarithromycin and levofloxacin was 3% and to clarithromycin and metronidazole 4%. Prevalence of virulence factors in the mild‐ and severe‐disease group was 35.3% and 81.8% for cagA, 20.6% and 54.5% for cagA/vacAs1m1, 94.1% and 95.4% for babA2, 78.4% and 100% for oipA and 30.4% and 18.2% for dupA.ConclusionsPrimary antimicrobial resistance rates were under 15% for clarithromycin and levofloxacin. The prevalence of H pylori carrying the virulent genotype cagA/vacAs1m1 was higher than 20% in the mild‐disease and 54% in the severe‐disease symptom group.
Human activity is altering the world’s zoogeographical regions
Authors: Bernardo‐Madrid Rubén , Calatayud Joaquín , González‐Suárez Manuela , Rosvall Martin , Lucas Pablo M. , Rueda Marta , Antonelli Alexandre , Revilla Eloy 
Published: June 2019

AbstractZoogeographical regions, or zooregions, are areas of the Earth defined by species pools that reflect ecological, historical and evolutionary processes acting over millions of years. Consequently, researchers have assumed that zooregions are robust and unlikely to change on a human timescale. However, the increasing number of human‐mediated introductions and extinctions can challenge this assumption. By delineating zooregions with a network‐based algorithm, here we show that introductions and extinctions are altering the zooregions we know today. Introductions are homogenising the Eurasian and African mammal zooregions and also triggering less intuitive effects in birds and amphibians, such as dividing and redefining zooregions representing the Old and New World. Furthermore, these Old and New World amphibian zooregions are no longer detected when considering introductions plus extinctions of the most threatened species. Our findings highlight the profound and far‐reaching impact of human activity and call for identifying and protecting the uniqueness of biotic assemblages.
Effects of crown height on the compensatory growth of Italian ryegrass based on combined effects of stored organic matter and cytokinin
Authors: Qin Rongrong , Wang Xiaoling 
Published: June 2019

AbstractThe interaction between stored organic matters in crowns and leaf cytokinin induced by roots was determined to investigate the compensatory growth of Italian ryegrass (Lolium multiflorum. Lam). The experiment comprised five treatments: (a) clipping once with 5 cm crown height, (b) clipping once with 2 cm crown height, (c) clipping twice with 5 cm crown height, (d) clipping twice with 2 cm crown height and (e) no clipping. Results showed that low crowns and single clipping promoted regrowth and the sum total of all previously clipping and final harvest of Italian ryegrass. Super compensatory growth and compensatory growth, which were assessed based in total biomasses, respectively, occurred in Italian ryegrasses with high crowns and single defoliation and those with high crowns only. Increased leaf net photosynthetic rates in Italian ryegrasses with high crown were promoted by stored organic matter in crown and leaf cytokinin in the first and later 7‐day regrowth periods, respectively. Compared with single clipping, frequent clipping decreased the stored organic matter in roots; causing decreases in leaf cytokinin concentration and photosynthetic rate. The delivery rate of cytokinin from the roots to the leaves determined the leaf cytokinin concentration in Italian ryegrass during the regrowth period. Thus, organic matters from crowns and leaf cytokinin induced by roots played a combined effect on aboveground compensatory growth in the Italian ryegrasses.
THE CONTEST OVER CONTEXT IN INTELLECTUAL HISTORY
Authors: HUNTER IAN 
Published: June 2019

ABSTRACTRecent articles critical of the use of context in contextual intellectual history have identified contextual method with the post‐1960s work of the “Cambridge School,” which is regarded as being grounded in a flawed theory of textual interpretation. Focusing on German cultural and political history, this article shows that a contextual historiography was already fully developed in seventeenth‐century ecclesiastical history, and a parallel version of this approach had developed in the field of constitutional history. The modern critique of context emerged only with the appearance of dialectical philosophical history in the first decades of the nineteenth century. The article argues that rather than representing a scholarly engagement with contextual historiography, the central plank of the dialectical critique of contextualism—the notion that contextual explication of thought is insufficient because context itself has transcendental conditions—is actually a cultural‐political attack on it launched on behalf of a hostile and incommensurable academic culture.
The influence of age, gender and race/ethnicity on the composition of the human axillary microbiome
Authors: Li M. , Budding A. E. , van der Lugt‐Degen M. , Du‐Thumm L. , Vandeven M. , Fan A. 
Published: June 2019

AbstractObjectiveThe microbial community plays an important role in the generation of human axillary odour by transforming odourless natural secretions into volatile odorous molecules. A limited number of traditional culturing methods and molecular based research have been performed to characterize the human axillary microbiome in small collection sample sizes. Moreover, only a few have considered the interpersonal variations across age, gender or race/ethnicity, and none have included all three variables within one single study. The aim of this study was to characterize the axillary microbiome of healthy subjects across different age groups, genders and races/ethnicities in a large sample size.MethodsThe underarm skin swab samples were collected from 169 healthy subjects. The axillary microbiome was analysed by IS‐pro, a clinically validated high‐throughput DNA fingerprinting technique.ResultsThe results indicate that the senior subjects (55+) tend to have a higher number of total bacterial than younger adults (of a defined age). The diversity of odour causing bacteria, e.g. corynebacteria, increases with age. Among the three races/ethnicities studied, East Asians have a unique microbial composition compared to Caucasians and Hispanics, which may contribute to the different odour profiles observed among the races/ethnicities studied.ConclusionHuman axillary microbiome varies by age, gender and race/ethnicity. This study has provided an unprecedented fundamental knowledge about the axillary microbiota as a function of age, gender and race/ethnicity.
Adsorption effect of Zn+2 and Co+2 on the antibacterial properties of SiC‐porcelain ceramics
Authors: Bhattacharjee Arjak , Gupta Anshul , Prem Anand Murugan , Sengupta Pradyut , Pandey Aditi , Bhattacharya Tapas Kumar 
Published: June 2019

AbstractThis investigation reports the adsorption effect of Cobalt and Zinc ions on the antibacterial properties of Silicon Carbide (SiC) added fired Porcelain based ceramics against Escherichia coli and Staphylococcus aureus. Incorporation of SiC in porcelain composition shows decrease in bulk density and increase in apparent porosity gradually upto 15 weight percent addition. The bulk density and apparent porosity of 15 wt% SiC added porcelain are 2.01 g/cm3 and 24.03%, respectively. Phase and microstructural charecterization reveals that fine grained interlocked mullite network with little unconverted quartz and carborandum are uniformly distributed in the microstructure. Co+2 and Zn+2 adsorption on exposed surface is calculated to be ~0.42 mg/cm2 and Inductively coupled mass plasma spectroscopy (ICP‐MS) shows that 1641.41 ppm of Co+2 and 1936.37 ppm of Zn+2 are leached in water from adsorbed surface. This is the first report where, transition metal specific antibacterial efficacy of SiC added porcelain‐based ceramics are investigated. This report reveals that both Co+2 and Zn+2 adsorption results in antibacterial efficacy against E coli and S aureus and Co+2 adsorption is superior to (zone of inhibition is ~1.3 cm more depending on bacteria and sample specifications) Zn+2 adsorption.
Effect of different storage media on the microhardness and wear resistance of resin‐matrix ceramics
Authors: Dayan Süleyman Çağatay , Mumcu Emre 
Published: June 2019

AbstractThis in vitro study evaluated the microhardness and two‐body wear of various computer‐assisted design and computer‐assisted manufacturing (CAD/CAM) resin‐matrix ceramic materials stored in different storage media. For each material (Paradigm MZ100, Lava Ultimate, Vita Enamic, and Cerasmart), 40 disk‐shaped specimens (8 mm diameter × 3 mm thickness) were prepared and divided into four subgroups (n = 10) according to storage material (artificial saliva, distilled water, 0.02 mol/L citric acid, 3:1 ethanol/water). Following storage at 37°C for 7 days, microhardness was measured with a Knoop test, and wear was measured using a 3D scanner and surface analysis program before and after loading on a chewing simulator (200 000 cycles). Wear values of Vita Enamic were lower in comparison to the other materials tested (P < 0.001). Storage media were found to have a significant effect on material microhardness (P < 0.001), but not on wear (P = 0.820).
Wolbachia transinfections in Culex quinquefasciatus generate cytoplasmic incompatibility
Authors: Ant T. H. , Herd C. , Louis F. , Failloux A. B. , Sinkins S. P. 
Published: June 2019

AbstractCulex quinquefasciatus is an important mosquito vector of a number of viral and protozoan pathogens of humans and animals, and naturally carries the endosymbiont Wolbachia pipientis, strain wPip. Wolbachia are used in two distinct vector control strategies: firstly, population suppression caused by mating incompatibilities between mass‐released transinfected males and wild females; and secondly, the spread of pathogen transmission‐blocking strains through populations. Using embryonic microinjection, two novel Wolbachia transinfections were generated in C. quinquefasciatus using strains native to the mosquito Aedes albopictus: a wAlbB single infection, and a wPip plus wAlbA superinfection. The wAlbB infection showed full bidirectional cytoplasmic incompatibility (CI) with wild‐type C. quinquefasciatus in reciprocal crosses. The wPipwAlbA superinfection showed complete unidirectional CI, and therefore population invasion potential. Whereas the wAlbB strain showed comparatively low overall densities, similar to the native wPip, the wPipwAlbA superinfection reached over 400‐fold higher densities in the salivary glands compared to the native wPip, suggesting it may be a candidate for pathogen transmission blocking.
Two dependency constrained spanning tree problems
Authors: Viana Luiz Alberto do Carmo , Campêlo Manoel 
Published: June 2019

AbstractWe introduce two spanning tree problems with dependency constraints, where an edge can be chosen only if at least one or all edges in its dependency set are also chosen, respectively. The dependencies on the input graph G are described by a digraph D whose vertices are the edges of G, and the in‐neighbors of a vertex are its dependency set. We show that both problems are NP‐hard even if G is an outerplanar chordal graph with diameter 2 or maximum degree 3, and D is a disjoint union of arborescences of height 2. We also prove that the problems are inapproximable to a factor, unless , and that they are W[2]‐hard. As an attempt to narrow the hardness gap, we present two polynomial cases. We test integer linear programming formulations based on directed cut (DCUT) and Miller–Tucker–Zemlin (MTZ) constraints. Computational experiments are reported.
Elevated temperature electrical resistivity measurements of zirconium diboride using the van der Pauw Method
Authors: Neuman Eric W. , Harrington Gregory J. K. , Hilmas Gregory E. , Fahrenholtz William G. 
Published: June 2019

AbstractA novel electrical testing assembly was designed, fabricated, and validated to allow elevated temperature electrical resistivity measurements using the van der Pauw method up to 2173 K. The assembly consisted of h‐BN insulators, ZrB2‐based fixture components, and W signal wires. The assembly was installed in a refractory metal element furnace for temperature control and an oxygen gettering system was utilized to control the oxygen activity of the process gas. The system was validated using high‐purity Mo as a reference standard, demonstrating good agreement with accepted electrical resistivity values for Mo. The system was utilized to measure the electrical resistivity of a ZrB2 ceramic that was produced from commercially available ZrB2 powder using C and ZrH2 as sintering aids and densified by hot‐pressing at 2423 K. The resulting ZrB2 ceramic was ~96% dense with ~0.2 wt.% ZrO2 secondary phase and a grain size of ~40 µm. Electrical resistivity of ZrB2 was measured from room temperature to 2133 K. The electrical resistivity of the ZrB2 exhibited distinct linear behavior with respect to temperature, increasing from 7.3 µΩ‐cm at 298 K to 35.7 µΩ‐cm at 1223 K (~0.031 µΩ‐cm/K), and then further increasing to 76.0 µΩ‐cm at 2133 K (~0.044 µΩ‐cm/K). To the knowledge of the authors, these measurements were performed at the highest temperatures ever reported using this method.