814 research outputs found

    SOCI 101S.H50: Introduction to Sociology - Hamilton

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    SEXUAL HARASSMENT IS MY JOB : THE IMPACT OF DISPLAY WORK ON BIKINI BARISTA INTERACTIONS

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    This study compares the experiences of women working in “bikini” coffee stands with women working in family-friendly coffee stands. These stands are similar in that customers drive up and purchase coffee through a window. However, bikini coffee stands differ from their family friendly counterparts because they are staffed by scantily-clad women. This study contributes to the existing literature by comparing the experiences of service workers in sexualized and non-sexualized environments. Additionally, this study examines the understudied service job of bikini coffee. Using semi-structured interviews to examine the baristas’ thoughts and experiences surrounding their work, I find that both types of baristas engage in emotionally in-depth relationships, which I refer to as \u27quasi-friendships.\u27 The presence of display work complicates the quasi-friendships that bikini baristas have with their customers: it simultaneously intensifies aspects of these relationships that are reminiscent of friendships as well as transactional relationships, ultimately dependent upon tips from customers

    Middle Eastern Christian spaces in Europe:Multi-sited and superdiverse

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    Despite little scholarly attention, Middle Eastern Christian Churches are a well-established element of the European religious landscape. Based on collaborative research, this article examines how three mutual field visits facilitated a deeper understanding of the complexity that characterises church establishment and activities among Iraqi, Assyrian/Syriac and Coptic Orthodox Christians in the UK, Sweden and Denmark. Exploring analytical dimensions of space, diversity, size, and minority position we identify three positions of Middle Eastern Christians: in London as the epitome of super-diversity, in Copenhagen as a silenced minority within a minority, and in Södertälje as a visible majority within a minority.PostprintPeer reviewe

    The Volkswagen Scandal

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    Volkswagen is one of the largest automobile manufacturers in the world. For years the company has focused on producing attractive and environmentally friendly automobiles, and recent initiatives have included a project to reduce CO2 production, along with advertisements claiming lower emission of greenhouse gases. The world was shocked to hear that Volkswagen had been producing diesel engines for its cars that were able to trick emissions testing equipment. The engines were producing many times the EPA standards for emissions, yet they passed emission tests. This case provides detailed information about the scandal as well as information about the history, operations, and stated values of Volkswagen, as well as some of the early actions of the company to deal with the scandal

    A clickable analogue of ketamine retains NMDA receptor activity, psychoactivity, and accumulates in neurons

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    Ketamine is a psychotomimetic and antidepressant drug. Although antagonism of cell-surface NMDA receptors (NMDARs) may trigger ketamine’s psychoactive effects, ketamine or its major metabolite norketamine could act intracellularly to produce some behavioral effects. To explore the viability of this latter hypothesis, we examined intracellular accumulation of novel visualizable analogues of ketamine/norketamine. We introduced an alkyne “click” handle into norketamine (alkyne-norketamine, A-NK) at the key nitrogen atom. Ketamine, norketamine, and A-NK, but not A-NK-amide, showed acute and persisting psychoactive effects in mice. This psychoactivity profile paralleled activity of the compounds as NMDAR channel blockers; A-NK-amide was inactive at NMDARs, and norketamine and A-NK were active but ~4-fold less potent than ketamine. We incubated rat hippocampal cells with 10 μM A-NK or A-NK-amide then performed Cu(2+) catalyzed cycloaddition of azide-Alexa Fluor 488, which covalently attaches the fluorophore to the alkyne moiety in the compounds. Fluorescent imaging revealed intracellular localization of A-NK but weak A-NK-amide labeling. Accumulation was not dependent on membrane potential, NMDAR expression, or NMDAR activity. Overall, the approach revealed a correlation among NMDAR activity, intracellular accumulation/retention, and behavioral effects. Thus, we advance first generation chemical biology tools to aid in the identification of ketamine targets

    In utero exposure to transient ischemia-hypoxemia promotes long-term neurodevelopmental abnormalities in male rat offspring

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    The impact of transient ischemic-hypoxemic insults on the developing fetal brain is poorly understood despite evidence suggesting an association with neurodevelopmental disorders such as schizophrenia and autism. To address this, we designed an aberrant uterine hypercontractility paradigm with oxytocin to better assess the consequences of acute, but transient, placental ischemia-hypoxemia in term pregnant rats. Using MRI, we confirmed that oxytocin-induced aberrant uterine hypercontractility substantially compromised uteroplacental perfusion. This was supported by the observation of oxidative stress and increased lactate concentration in the fetal brain. Genes related to oxidative stress pathways were significantly upregulated in male, but not female, offspring 1 hour after oxytocin-induced placental ischemia-hypoxemia. Persistent upregulation of select mitochondrial electron transport chain complex proteins in the anterior cingulate cortex of adolescent male offspring suggested that this sex-specific effect was enduring. Functionally, offspring exposed to oxytocin-induced uterine hypercontractility showed male-specific abnormalities in social behavior with associated region-specific changes in gene expression and functional cortical connectivity. Our findings, therefore, indicate that even transient but severe placental ischemia-hypoxemia could be detrimental to the developing brain and point to a possible mitochondrial link between intrauterine asphyxia and neurodevelopmental disorders

    An Institutional Approach to River Basin Management : Conflict Resolution in the U. S. and South Korea

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    We juxtapose river basin management practices in both the U.S. and South Korea to learn how multi-stakeholder conflicts are resolved under varying policy contexts. The cross-cultural comparison likewise enables an evaluation of conflict resolution as a means for producing socio-politically acceptable, economically sound, technologically feasible and environmentally viable delivery of safe drinking water. It is argued that conflict resolution enhances opportunities to achieve sustainability in river basin management despite very different policy and cultural circumstances. Two U.S. cases reviewed: the Delaware River Basin Commission (established in 1961) and the Susquehanna River Basin Commission (established in 1973). The two South Korean river basin cases under review are the Han and Nakdong Rivers

    The Intracellular Transport and Secretion of Calumenin-1/2 in Living Cells

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    Calumenin isoforms 1 and 2 (calu-1/2), encoded by the CALU gene, belong to the CREC protein family. Calu-1/2 proteins are secreted into the extracellular space, but the secretory process and regulatory mechanism are largely unknown. Here, using a time-lapse imaging system, we visualized the intracellular transport and secretory process of calu-1/2-EGFP after their translocation into the ER lumen. Interestingly, we observed that an abundance of calu-1/2-EGFP accumulated in cellular processes before being released into the extracellular space, while only part of calu-1/2-EGFP proteins were secreted directly after attaching to the cell periphery. Moreover, we found the secretion of calu-1/2-EGFP required microtubule integrity, and that calu-1/2-EGFP-containing vesicles were transported by the motor proteins Kif5b and cytoplasmic dynein. Finally, we determined the export signal of calu-1/2-EGFP (amino acid positions 20–46) and provided evidence that the asparagine at site 131 was indispensable for calu-1/2-EGFP stabilization. Taken together, we provide a detailed picture of the intracellular transport of calu-1/2-EGFP, which facilitates our understanding of the secretory mechanism of calu-1/2

    Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe

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    We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high resolution and high signal-to-noise ratios in the near-infrared. The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey is obtaining spatially resolved spectroscopy for thousands of nearby galaxies (median z0.03z\sim 0.03). The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is mapping the galaxy, quasar, and neutral gas distributions between z0.6z\sim 0.6 and 3.5 to constrain cosmology using baryon acoustic oscillations, redshift space distortions, and the shape of the power spectrum. Within eBOSS, we are conducting two major subprograms: the SPectroscopic IDentification of eROSITA Sources (SPIDERS), investigating X-ray AGNs and galaxies in X-ray clusters, and the Time Domain Spectroscopic Survey (TDSS), obtaining spectra of variable sources. All programs use the 2.5 m Sloan Foundation Telescope at the Apache Point Observatory; observations there began in Summer 2014. APOGEE-2 also operates a second near-infrared spectrograph at the 2.5 m du Pont Telescope at Las Campanas Observatory, with observations beginning in early 2017. Observations at both facilities are scheduled to continue through 2020. In keeping with previous SDSS policy, SDSS-IV provides regularly scheduled public data releases; the first one, Data Release 13, was made available in 2016 July
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