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https://www.readbyqxmd.com/read/29784328/determination-of-endrin-and-%C3%AE-keto-endrin-in-five-food-products-of-animal-origin-using-gc-%C3%AE-ecd-a-modified-quechers-approach-to-traditional-detection
#1
Md Musfiqur Rahman, Han Sol Lee, A M Abd El-Aty, Md Humayun Kabir, Hyung Suk Chung, Jong-Hyouk Park, Mi-Ra Kim, Ji-Hyun Kim, Ho-Chul Shin, Sung Shik Shin, Jae-Han Shim
A simple quick, easy, cheap, effective, rugged, and safe (QuEChERS)-based method was developed for the analysis of endrin and its metabolite, δ-keto endrin, in five animal-derived food products (chicken, pork, beef, egg, and milk) using a gas chromatography-micro electron capture detector (GC-μECD). Samples were extracted with acidified acetonitrile, salted out with magnesium sulfate and sodium acetate, and finally purified with a dual layer solid-phase extraction cartridge (SPE) that contains both Supelclean ENVI-Carb (upper layer) and primary secondary amine (lower layer) SPE sorbents...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29780339/your-co-author-received-150-citations-pride-but-not-envy-mediates-the-effect-of-system-generated-achievement-messages-on-motivation
#2
Sonja Utz, Nicole L Muscanell
ResearchGate, a social network site for academics, prominently displays the achievements of people one follows ("With 150 new reads, X was the most read author from their institute"). The goal of this paper was to examine the emotional and motivational effects of these system-generated messages, thereby extending prior research on envy-evoking status updates on Facebook to a professional context. We also extend the research on social comparisons and more broadly, on emotional responses elicited by social media...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29771546/schadenfreude-as-social-functional-dominance-regulator
#3
Jens Lange, Lea Boecker
Schadenfreude follows from misfortunes happening to other individuals. It is therefore an essentially social emotion. However, previous research has mainly explored its intrapersonal functions. Complementing these findings, we propose a social-functional approach to schadenfreude. Seven studies (total N = 2,362) support that (a) schadenfreude is a reaction to a misfortune befalling an initially dominance-displaying individual and (b) the public expression of schadenfreude downregulates the dominance of the other person...
May 17, 2018: Emotion
https://www.readbyqxmd.com/read/29757640/supramolecular-properties-of-a-monocarboxylic-acid-functionalized-texas-sized-molecular-box
#4
Ren-Tsung Wu, Xiaodong Chi, Takehiro Hirao, Vincent M Lynch, Jonathan L Sessler
A new carboxylic acid-functionalized "Texas-sized" molecular box TxSB-CO2H has been prepared by combining two separate build-ing blocks via an iodide-catalyzed macrocyclization reaction. A single crystal X-ray diffraction analysis revealed a paired "clip-like" dimer in the solid state. Concentration-dependent behavior is seen for samples of TxSB-CO2H as prepared, as inferred from 1H NMR spectroscopic studies carried out in DMSO-d6. However, in the presence of excess acid (1% by weight of deuterated trifluo-racetic acid; TFA-d1), little evidence of aggregation is seen in DMSO-d6 except at the highest accessible concentrations...
May 14, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29755213/stereotype-content-warmth-and-competence-endure
#5
Susan T Fiske
Two dimensions persist in social cognition, whether people are making sense of individuals or groups. The Stereotype Content Model terms the basic dimensions perceived warmth (trustworthiness, friendliness) and competence (capability, assertiveness). Measured reliably and validly, these Big Two dimensions converge across methods: survey, cultural, laboratory, and biobehavioral approaches. Generality across place, levels, and time further support the framework. Parallel pairs have emerged repeatedly over the history of psychology and in current theories...
April 2018: Current Directions in Psychological Science
https://www.readbyqxmd.com/read/29616791/on-the-stability-of-nao2-in-na-o2-batteries
#6
Chenjuan Liu, Marco Carboni, William R Brant, Ruijun Pan, Jonas Hedman, Jiefang Zhu, Torbjörn Gustafsson, Reza Younesi
Na-O2 batteries are regarded as promising candidates for energy-storage. They have higher energy efficiency, rate capability and chemical reversibility than Li-O2 batteries and sodium is cheaper and more abundant compared to lithium. However, inconsistent observations and instability of discharge products have inhibited the understanding of the working mechanism of this technology. In this work, we have investigated a number of factors that influence the stability of the discharge products. By means of in operan-do powder X-ray diffraction, the influence of oxygen, sodium anode, salt, solvent and the carbon cathode were investigated...
April 4, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29602872/palm-oil-in-myanmar-a-spatiotemporal-analysis-of-the-effects-of-industrial-farming-on-biodiversity-loss
#7
Khristopher Nicholas, Jessica Fanzo, Kytt MacManus
BACKGROUND: Palm oil consumption is potentially deleterious to human health, and its production has resulted in 11 million hectares of deforestation globally. Importing roughly 394,000 metric tons of palm oil in 2012 alone, the Burmese government has recently pushed for intensive oil palm development to sate domestic demand for consumption and become international market players. Given well-studied linkages between biodiversity loss and ecosystem instability, this study aims to characterize the nature of deforestation for oil palm production in Myanmar, its relationship to increased biodiversity loss, and contextualize the potential impacts of this loss on diets and human health in rural Myanmar...
March 21, 2018: Global Health, Science and Practice
https://www.readbyqxmd.com/read/29583124/dynamical-stability-of-the-one-dimensional-rigid-brownian-rotator-the-role-of-the-rotator-s-spatial-size-and-shape
#8
Jasmina Jeknic-Dugic, Igor Petrovic, Momir Arsenijevic, Miroljub Dugic
We investigate dynamical stability of a single propeller-like
 shaped molecular cogwheel modelled as the fixed-axis rigid rotator. In the
 realistic situations, rotation of the finite-size cogwheel is subject of the envi-
 ronmentally-induced Brownian-motion effect that we describe by utilizing the
 quantum Caldeira-Leggett master equation. Assuming the initially narrow
 (classical-like) standard deviations for the angle and the angular momentum
 of the rotator, we investigate dynamics of the first and second moments de-
 pending on the size, i...
March 27, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29568215/coworkers-perspectives-on-mentoring-relationships
#9
Suzanne Janssen, Joël Tahitu, Mark van Vuuren, Menno D T de Jong
Research into workplace mentoring is primarily focused on the experiences and perceptions of individuals involved in the relationship, while there is scarcely any research focusing on the impact of mentoring relationships on their social environment. This exploratory research aims to give insight into how coworkers' perceptions and experiences of informal mentoring relationships in their workgroup are related to their perceptions of workgroup functioning. The results of 21 semistructured interviews show that coworkers believe that mentoring relationships affect their workgroup's functioning by influencing both their workgroup's performance and climate ...
April 2018: Group & Organization Management
https://www.readbyqxmd.com/read/29565005/the-future-of-the-nhs-no-longer-the-envy-of-the-world
#10
Elias Mossialos, Alistair McGuire, Michael Anderson, Emma Pitchforth, Astrid James, Richard Horton
No abstract text is available yet for this article.
March 17, 2018: Lancet
https://www.readbyqxmd.com/read/29532254/thermal-comfort-of-pedestrians-in-an-urban-street-canyon-is-affected-by-increasing-albedo-of-building-walls
#11
Hyunjung Lee, Helmut Mayer
Numerical simulations based on the ENVI-met model were carried out for an E-W street canyon in the city of Stuttgart (Southwest Germany) to analyse the effect of increased albedo of building walls on outdoor human thermal comfort. It was quantified by air temperature (T a ), mean radiant temperature (T mrt ) and physiologically equivalent temperature (PET). The simulations were conducted on 4 August 2003 as a heat wave day that represents a typical scenario for future summer weather in Central Europe. The simulation results presented for 13 CET and averaged over the period 10-16 CET are focused on pedestrians on both sidewalks...
March 12, 2018: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29529921/-that-is-how-the-real-mad-people-behave-beliefs-about-and-treatment-of-mental-disorders-by-traditional-medicine-men-in-accra-ghana
#12
Lily Kpobi, Leslie Swartz
BACKGROUND: Traditional healing methods are considered central to mental health care in low-income countries such as Ghana, because they are perceived to be more easily accessible, more affordable and generally ascribe similar causal beliefs to those of the patients. However, not much is known about the work of traditional healers largely because their methods are shrouded in mysticism and secrecy. There is a need to understand the ideology and beliefs of traditional healers surrounding mental disorders, including knowledge about their practices in mental health care...
June 2018: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/29521619/application-of-the-risk-based-early-warning-method-in-a-fracture-karst-water-source-north-china
#13
Yongli Guo, Qing Wu, Changsuo Li, Zhenhua Zhao, Bin Sun, Shiyi He, Guanghui Jiang, Yuanzheng Zhai, Fang Guo
  The paper proposes a risk-based early warning considering characteristics of fracture-karst aquifer in North China and applied it in a super-large fracture-karst water source. Groundwater vulnerability, types of land use, water abundance, transmissivity and spatial temporal variation of groundwater quality were chosen as indexes of the method. Weights of factors were obtained by using AHP method based on relative importance of factors, maps of factors were zoned by GIS, early warning map was conducted based on extension theory with the help of GIS, ENVI+IDL...
March 1, 2018: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/29498271/nano-3-nacl-oxidant-and-polyethylene-glycol-peg-capped-gold-nanoparticles-aunps-as-a-novel-green-route-for-aunps-detection-in-electrochemical-biosensors
#14
Adaris M López-Marzo, Raquel Hoyos-de-la-Torre, Eva Baldrich
Gold nanoparticles (AuNPs) have been exploited as signal-producing tags in electrochemical biosensors. However, the electrochemical detection of AuNPs is currently performed using corrosive acid solutions, which may raise health and environmental concerns. Here, oxidant salts, and specifically the environmentally friendly and occupational safe NaNO3 /NaCl mixture, have been evaluated for the first time as potential alternatives to the acid solutions traditionally used for AuNPs electrooxidation. In addition, a new strategy to improve the sensitivity of the biosensor through PEG-based ligand exchange to produce less compact and easier to oxidize AuNPs immunoconjugates is presented too...
March 20, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29479267/i-am-green-with-envy
#15
Denis Daneman
No abstract text is available yet for this article.
November 2017: Paediatrics & Child Health
https://www.readbyqxmd.com/read/29447433/a-step-into-the-future-applications-of-nanoparticle-enzyme-mimics
#16
Karsten Korschelt, Muhammad Nawaz Tahir, Wolfgang Tremel
We describe elementary concepts, up-to-date developments, and perspectives of the emerging field of nanoparticle enzyme mimics (so-called "nanozymes") at the interface of chemistry, biology, materials, and nanotechnology. The design and synthesis of functional enzyme mimics is a long-standing goal of biomimetic chemistry. Metal complexes, polymers and engineered biomolecules capturing the structure of natural enzymes or their active centers have been made to achieve high rates and enhanced selectivities...
February 15, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29410643/psychopathological-processes-involved-in-social-comparison-depression-and-envy-on-facebook
#17
REVIEW
Aurel Pera
Is Facebook utilization beneficial or detrimental for psychological well-being? I draw on outstanding research (e.g., Chou and Edge, 2012; Lin and Utz, 2015; Appel et al., 2016; Ehrenreich and Underwood, 2016; Vogel and Rose, 2016; Hu et al., 2017) to substantiate that examining other individuals' positively presented material on Facebook may have detrimental consequences. Increasing comparisons on Facebook may generate feelings of envy, the latter being a significant process determining the effect of growing social comparison on psychological well-being...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29403623/explaining-the-role-of-organizational-culture-on-succession-planning-at-the-ministry-of-health-and-medical-education-a-qualitative-study
#18
Mohammad Mehrtak, Esmaeil Farzaneh, Shahram Habibzadeh, Aziz Kamran, Hamed Zandian, Abdollah Mahdavi
Background: Developing and guiding new knowledge are futile unless the organizational culture can also be transformed. Future leaders cannot emerge out of an organizational environment that is not conducive to the accumulation of experiences. Objective: The aim of this study was to explore the role of organizational culture in creating a succession-planning system at the Ministry of Health and Medical Education in 2014. Methods: The present qualitative framework analysis held interviews with 23 director generals, administrative directors and deputies from the headquarters of the Iranian Ministry of Health and Medical Education in 2014 who were selected through snowball sampling...
November 2017: Electronic Physician
https://www.readbyqxmd.com/read/29400641/diagnosis-makes-a-difference-perceptions-of-older-persons-with-dementia-symptoms
#19
Jed A Diekfuss, Jessica De Larwelle, Susan H McFadden
Background/Study Context: Employing the stereotype content model and terror management theory, we examined whether stereotypes and feelings about persons with dementia vary depending on the type of dementia diagnosis and purported causes of the dementia. METHODS: Participants were randomly assigned to read one of four vignettes that depicted a man who consulted his doctor because of memory problems. All vignettes described the same symptoms and diagnostic tests, but each of four groups read a different result: all tests normal (Normal); Alzheimer's disease (AD); Wernicke-Korsakoff Syndrome (WKS) associated with alcohol abuse; and chronic traumatic encephalopathy (CTE) associated with head injuries from playing football in high school and college...
March 2018: Experimental Aging Research
https://www.readbyqxmd.com/read/29376662/the-painful-duality-of-envy-evidence-for-an-integrative-theory-and-a-meta-analysis-on-the-relation-of-envy-and-schadenfreude
#20
Jens Lange, Aaron C Weidman, Jan Crusius
Despite envy's importance as a driver of social behavior, scholars disagree on its conceptualization. We review the literature and distinguish three incongruent theories: (a) Malicious Envy Theory (i.e., envy as uniform and malicious), (b) Dual Envy Theory (i.e., envy as taking on 2 forms, benign and malicious), and (c) Pain Theory of Envy (i.e., envy as uniform and driven by pain). Moreover, within and across theories, operationalizations of envy have included various different components. We integrate these conceptualizations using a data-driven approach, deriving a comprehensive theory of envy in 5 studies (total N = 1,237)-the Pain-driven Dual Envy (PaDE) Theory...
April 2018: Journal of Personality and Social Psychology
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