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https://www.readbyqxmd.com/read/28407941/screening-and-identification-of-per-and-polyfluoroalkyl-substances-in-microwave-popcorn-bags
#1
Itsaso Zabaleta, Noelia Negreira, Ekhine Bizkarguenaga, Ailette Prieto, Adrian Covaci, Olatz Zuloaga
Liquid chromatography coupled to quadrupole time-of-flight mass spectrometry (LC-QToF-MS) was used for the accurate identification (<10ppm) of different polyfluoroalkylphosphates (PAPs) and their intermediate and end degradation products in popcorn bags. Up to 46 per- and polyfluoroalkyl substances (PFASs) and precursors were identified. Moreover, an accurate method based on focused ultrasonic solid-liquid extraction (FUSLE) and a clean-up step with Envi-Carb sorbent was validated and applied to the quantification of 24 PFASs in popcorn bags from over twelve European countries, three American countries and two Asian countries...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28264159/streamlined-synthesis-and-assembly-of-a-hybrid-sensing-architecture-with-solid-binding-proteins-and-click-chemistry
#2
Brian J F Swift, Jared A Shadish, Cole A DeForest, François Baneyx
Combining bioorthogonal chemistry with the use of proteins engineered with adhesive and morphogenetic solid-binding peptides is a promising route for synthesizing hybrid materials with the economy and efficiency of living systems. Using optical sensing of chloramphenicol as a proof of concept, we show here that a GFP variant engineered with zinc sulfide and silica-binding peptides on opposite sides of its β-barrel supports the fabrication of protein-capped ZnS:Mn nanocrystals that exhibit the combined emission signatures of organic and inorganic fluorophores...
March 13, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28237518/development-and-validation-of-an-extraction-method-for-the-analysis-of-perfluoroalkyl-substances-in-human-hair
#3
Da-Hye Kim, Jeong-Eun Oh
Human hair has many advantages as a non-invasive sample; however, analytical methods for detecting perfluoroalkyl substances (PFASs) in human hair are still in the development stage. Therefore, the aim of this study was to develop and validate a method for monitoring 11 PFASs in human hair. Solid-phase extraction (SPE), ion-pairing extraction (IPE), a combined method (SPE+IPE) and solvent extraction with ENVI-carb clean-up were compared to develop an optimal extraction method using two types of hair sample (powder and piece forms)...
May 2017: Chemosphere
https://www.readbyqxmd.com/read/28197732/effects-of-street-canyon-design-on-pedestrian-thermal-comfort-in-the-hot-humid-area-of-china
#4
Yufeng Zhang, Xiaohan Du, Yurong Shi
The design characteristics of street canyons were investigated in Guangzhou in the hot-humid area of China, and the effects of the design factors and their interactions on pedestrian thermal comfort were studied by numerical simulations. The ENVI-met V4.0 (BASIC) model was validated by field observations and used to simulate the micrometeorological conditions and the standard effective temperature (SET) at pedestrian level of the street canyons for a typical summer day of Guangzhou. The results show that the micrometeorological parameters of mean radiant temperature (MRT) and wind speed play key roles in pedestrian thermal comfort...
February 14, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28176785/examining-brain-structures-associated-with-dispositional-envy-and-the-mediation-role-of-emotional-intelligence
#5
Yanhui Xiang, Sasa Zhao, Hanlin Wang, Qihan Wu, Feng Kong, Lei Mo
Dispositional envy is distinguished by definition and neurally from episodic envy. While the neural correlates of episodic envy have been evaluated by specific tasks in previous studies, little is known about the structural neural basis of dispositional envy. In this study, we investigated the structural neural basis of dispositional envy underlying individual differences across two independent samples comprising a total of 100 young healthy adults. Firstly, 73 subjects' data (sample 1) was analyzed, and we assessed the association between regional gray matter volume (rGMV) and dispositional envy using voxel-based morphometry (VBM)...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28104555/something-to-talk-about-gossip-increases-oxytocin-levels-in-a-near-real-life-situation
#6
Natascia Brondino, Laura Fusar-Poli, Pierluigi Politi
Gossip is a pervasive social behavior. Its evolutionary survival seems related to its social functions, such as establishing group rules, punishing trespassers, exercising social influence through reputational systems, and developing and strengthening social bonds. We aimed at evaluating the effect of gossip on hormones (oxytocin and cortisol) and at identifying potential mediators of hormonal response to gossip. Twenty-two female students were randomly assigned to a gossip conversation or to an emotional non-gossip conversation...
January 4, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27991801/the-dark-side-of-transparency-how-and-when-pay-administration-practices-affect-employee-helping
#7
Peter Bamberger, Elena Belogolovsky
This study examines a long-standing contention of practitioners and scholars alike, namely that pay transparency may adversely affect employees' tendency to offer assistance to coworkers. Drawing from research on social comparison, information vividness, and envy, we develop and test a moderated-mediation model positing that transparency adversely affects the amount of help individuals afford to peers who, based on pay for performance, are paid more than them. Testing our hypotheses in the context of a multiround simulation-based laboratory experiment, we find that this adverse effect of pay transparency on helping is largely explained by transparency's positive association with episodic envy, but only when individual differences grounded in differential social value orientations, specifically those regarding individualism beliefs and prosocial motivation, are taken into consideration...
April 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/27982743/stereotypes-emotions-and-behaviors-toward-lesbians-gay-men-bisexual-women-and-bisexual-men
#8
Allison A Vaughn, Stacy A Teeters, Melody S Sadler, Sierra B Cronan
The utility of the Stereotype Content Model (Fiske, Cuddy, Glick, & Xu, 2002) and the Behaviors from Intergroup Affect and Stereotypes map (Cuddy, Fiske, & Glick, 2007) were examined in the context of heterosexuals' attitudes toward sexual minorities. Heterosexual adults completed a survey measuring stereotypes, emotions, and behavioral tendencies toward lesbians, gay men, bisexual women, and bisexual men. Stereotype content differed across groups and showed "gendered" and "valenced" effects on emotions and behavioral tendencies...
December 16, 2016: Journal of Homosexuality
https://www.readbyqxmd.com/read/27977903/elementary-my-dear-watson-the-era-of-natural-language-processing-in-transplantation
#9
EDITORIAL
B Ho, A Skaro, S Montag, L Zhao
No abstract text is available yet for this article.
December 15, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27976410/determination-of-oxathiapiprolin-concentration-and-dissipation-in-grapes-and-soil-by-ultrahigh-performance-liquid-chromatography-tandem-mass-spectrometry
#10
P Z Yu, E C Zhao, C H Jia, L Chen, H J He, J J Jing, M He
BACHGROUND: The residue concentrations and dissipation rate of a new oxathiapiprolin fungicide in the grapes and soil were investigated to provide an evaluation for the safe use of oxathiapiprolin in grape. Pesticide residue was extracted by acetonitrile, then purified by SPE with Envi-Carb cartridge and determined by ultrahigh performance liquid chromatography-tandem mass spectrometry. RESULTS: The fortified recoveries ranged from 85.2%-99.0% with relative standard deviations of 1...
December 15, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27900475/microclimatic-effects-of-planted-hydroponic-structures-in-urban-environment-measurements-and-simulations
#11
N Katsoulas, D Antoniadis, I L Tsirogiannis, E Labraki, T Bartzanas, C Kittas
The objectives of this effort was to study the effect of vertical (green wall) and horizontal (pergola) green structures on the microclimate conditions of the building surroundings and estimate the thermal perception and heat stress conditions near the two structures. The experimental data were used to validate the results simulated by the recent version (V4.0 preview III) of ENVI-met software which was used to simulate the effect of different design parameters of a pergola and a green façade on microclimate and heat stress conditions...
November 29, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27869562/wanting-to-be-seen-young-people-s-experiences-of-performative-making-out
#12
Kate M Esterline, Charlene L Muehlenhard
People engage in sexual behavior for many reasons, some of which require an audience (e.g., arousing onlookers, making someone jealous). In this study, we investigated the prevalence, motivations, and outcomes of young people's experiences with performative making out-making out with someone and wanting others to see. Of the 155 female and 194 male college students who completed the online questionnaire, 32% of the women and 37% of the men reported having done this, often before entering college. Significantly more women than men reported same-sex performative experiences...
November 21, 2016: Journal of Sex Research
https://www.readbyqxmd.com/read/27831756/the-facebook-experiment-quitting-facebook-leads-to-higher-levels-of-well-being
#13
Morten Tromholt
Most people use Facebook on a daily basis; few are aware of the consequences. Based on a 1-week experiment with 1,095 participants in late 2015 in Denmark, this study provides causal evidence that Facebook use affects our well-being negatively. By comparing the treatment group (participants who took a break from Facebook) with the control group (participants who kept using Facebook), it was demonstrated that taking a break from Facebook has positive effects on the two dimensions of well-being: our life satisfaction increases and our emotions become more positive...
November 2016: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/27831711/what-do-older-people-think-that-others-think-of-them-and-does-it-matter-the-role-of-meta-perceptions-and-social-norms-in-the-prediction-of-perceived-age-discrimination
#14
Christin-Melanie Vauclair, Maria Luísa Lima, Dominic Abrams, Hannah J Swift, Christopher Bratt
Psychological theories of aging highlight the importance of social context. However, very little research has distinguished empirically between older people's perception of how others in their social context perceive them (personal meta-perceptions) and the shared perceptions in society (societal meta-perceptions). Drawing on theories of intergroup relations and stereotyping and using a multilevel perspective, this article examines how well older people's perceptions of age discrimination (PAD) are predicted by (a) older people's personal meta-perceptions, (b) societal meta-perceptions, and (c) social norms of intolerance toward age prejudice...
November 2016: Psychology and Aging
https://www.readbyqxmd.com/read/27757352/fu-chan-wei-surgeon-innovator-and-leader-of-the-legendary-chang-gung-microsurgery-center
#15
Nidal Farhan Al Deek, Donald H Lalonde
Fu-Chan Wei is a world-renowned plastic and reconstructive surgeon. He is clearly one of the most influential and innovative surgeons in the history of plastic surgery. The Taiwanese legend is the innovator of the osteoseptocutaneous fibula flap, which revolutionized the reconstruction of composite bone and soft tissue defects in the jaw and extremities. He has pioneered several perforator flaps, including the free style variety. He has taken toe-to-hand microsurgical transplantation to a whole new level. He is not only recognized for his surgical skills and clinical innovations, but also for his vision, leadership, and teaching...
September 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27729887/to-strike-a-pose-no-stereotype-backlash-for-power-posing-women
#16
Miriam Rennung, Johannes Blum, Anja S Göritz
Power posing, the adoption of open and powerful postures, has effects that parallel those of actual social power. This study explored the social evaluation of adopting powerful vs. powerless body postures in men and women regarding perceived warmth, competence, and the likelihood of eliciting admiration, envy, pity, and contempt. Previous findings suggest that the display of power by women may have side effects due to gender stereotyping, namely reduced warmth ratings and negative emotional reactions. An experiment (N = 2,473) asked participants to rate pictures of men and women who adopted high-power or low-power body postures...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27544646/evaluating-the-role-of-green-infrastructures-on-near-road-pollutant-dispersion-and-removal-modelling-and-measurement
#17
Tobi Eniolu Morakinyo, Yun Fat Lam, Song Hao
To enhance the quality of human life in a rapidly urbanized world plagued with high transportation, the masterful contribution of improved urban and local air quality cannot be overemphasized. In order to reduce human exposure to near-road air pollution, several approaches including the installation of roadside structural barriers especially in open street areas, such as city entrances are being applied. In the present study, the air quality around real world and idealized green infrastructures was investigated by means of numerical simulation and a short field measurement campaign...
November 1, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27522201/study-of-traffic-related-pollutant-removal-from-street-canyon-with-trees-dispersion-and-deposition-perspective
#18
Tobi Eniolu Morakinyo, Yun Fat Lam
Numerical experiments involving street canyons of varying aspect ratio with traffic-induced pollutants (PM2.5) and implanted trees of varying aspect ratio, leaf area index, leaf area density distribution, trunk height, tree-covered area, and tree planting pattern under different wind conditions were conducted using a computational fluid dynamics (CFD) model, ENVI-met. Various aspects of dispersion and deposition were investigated, which include the influence of various tree configurations and wind condition on dispersion within the street canyon, pollutant mass at the free stream layer and street canyon, and comparison between mass removal by surface (leaf) deposition and mass enhancement due to the presence of trees...
November 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27520022/mobbing-and-its-impact-on-interpersonal-relationships-at-the-workplace
#19
Ana Lúcia da Silva João, António Fernando Saldanha Portelada
Mobbing is characterized by the repetition, over a long period of time, of hostile behavior and unethical conduct carried out by a hierarchical superior or co-worker, against someone's physic and mental integrity, endangering one's job or disturbing the work environment. This current investigative study intends to assess the existence, frequency, and intensity of mobbing within the Portuguese nurse population, as well as its impact on their well-being and interpersonal relationships. The study carried out was quantitative, correlational, and cross-sectional...
August 12, 2016: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/27498508/land-use-change-and-its-effects-on-water-quality-in-typical-inland-lake-of-arid-area-in-china
#20
Hong Cui, Xiaode Zhou, Mengjing Guo, Wu Wei
Land-use change is very important for determining and assessing the influence of human activity on aquatic environment of rivers and lakes. The present work with Bosten River basin as the subject, analyzes features of dynamic land-use change of the basin from 1993 to 2013, in order to study the influence of land-use pattern change on the basin water quality, according to the land-use/land-cover(LUCC) chart from 2000 to 2013 made by ArcGIS and ENVI. It shows cultivated land, wetland and forestland constitute most of Bosten River basin, taking up over 41...
July 2016: Journal of Environmental Biology
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