3,681 research outputs found

    Collaboration in the Context of Teaching, Scholarship, and Language Revitalization: Experience from the Chatino Language Documentation Project

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    We describe our own experience of linguist-community collaboration over the last ten years in our Chatino Language Documentation Project, focused on the Chatino languages (Otomanguean; Oaxaca, Mexico). We relate episodes in the emergence and evolution of the collaboration between ourselves, and of the collaboration among ourselves and the Chatino communities with which we have worked. Our experience has several special features. First, our own collaboration began as native Chatino-speaking Ph.D. student and her teacher in a program focused on training speakers of Latin American indigenous languages in linguistics and anthropology, and developed into a larger collaboration among students and faculty where the student had a major leadership role. Second, our approach was documentary-descriptive and comparative, but it was also socially engaged or ‘activist,’, in that we sought to promote interest, awareness, and respect for the Chatino languages, to teach and support Chatino literacy, and to preserve and offer access to spoken Chatino, especially traditional verbal art. Our approach had synergies with local interests in writing and in honoring traditional speech ways, but it also led to conflicts over our roles as social actors, and the traditionally activist roles of indigenous teachers. Third, we experienced plasticity in the collaborative roles we played. Between ourselves, we were student and teacher, but also initiator and follower as we became engaged in revitalization. At the same time, the native speaker linguist found herself occupying a range of positions along a continuum from “insider” to “outsider” respect to her own community. *This paper is in the series Language Documentation in the Americas edited by Keren Rice and Bruna FranchettoNational Foreign Language Resource Cente

    The use of remotely sensed environmental parameters for spatial and temporal schistosomiasis prediction across climate zones in Ghana

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    Schistosomiasis control in sub-Saharan Africa is enacted primarily through preventive chemotherapy. Predictive models can play an important role in filling knowledge gaps in the distribution of the disease and help guide the allocation of limited resources. Previous modeling approaches have used localized cross-sectional survey data and environmental data typically collected at a discrete point in time. In this analysis, 8 years (2008-2015) of monthly schistosomiasis cases reported into Ghana's national surveillance system were used to assess temporal and spatial relationships between disease rates and three remotely sensed environmental variables: land surface temperature (LST), normalized difference vegetation index (NDVI), and accumulated precipitation (AP). Furthermore, the analysis was stratified by three major and nine minor climate zones, defined using a new climate classification method. Results showed a downward trend in reported disease rates (~ 1% per month) for all climate zones. Seasonality was present in the north with two peaks (March and September), and in the middle of the country with a single peak (July). Lowest disease rates were observed in December/January across climate zones. Seasonal patterns in the environmental variables and their associations with reported schistosomiasis infection rates varied across climate zones. Precipitation consistently demonstrated a positive association with disease outcome, with a 1-cm increase in rainfall contributing a 0.3-1.6% increase in monthly reported schistosomiasis infection rates. Generally, surveillance of neglected tropical diseases (NTDs) in low-income countries continues to suffer from data quality issues. However, with systematic improvements, our approach demonstrates a way for health departments to use routine surveillance data in combination with publicly available remote sensing data to analyze disease patterns with wide geographic coverage and varying levels of spatial and temporal aggregation.Accepted manuscrip

    Physician Empathy in Public and Private Internal Medicine Residency Training Programs in Pasig City

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    Research Question: What are the levels of patient-perceived and self-assessed physician empathy among internal medicine (IM) residents in two tertiary hospitals in Pasig City? Is there a significant difference in patient-perceived and self-assessed physician empathy levels between public and private tertiary hospitals? Background: Empathy is important because it has been speculated to have a positive effect on patient outcomes; it is a skill that can be learned and developed. Objectives: This study obtained quantitative measurements of patient-perceived and self-assessed physician empathy. Empathy levels between public and private tertiary hospitals were compared. General Study Design: This study utilized a quantitative cross-sectional design, with surveys as the strategy for data collection. Participants: 162 out-patient department patients aged 19-75, and 69 IM residents were sampled from one private and one public tertiary hospital. Outcome Measures: The Jefferson Scale of Patient Perceptions of Physician Empathy (JSPPPE) and the Jefferson Scale of Physician Empathy (JSE) were used to measure the empathy levels. Analysis: Sample size calculation was done using OpenEpi. An alpha level of .05 was used for computing the independent samples t-test. Results: Internal medicine patients from the private hospital rated the physicians with higher empathy scores (mean=31.23) compared to their public hospital counterparts (mean=29.01), which is significant (p=.0134). Residents from the private hospital also scored a higher self-assessed empathy score (mean=110.46) compared to physicians from the public hospital (mean=102.13), which is significant (p=.0147). Conclusion: This study provided preliminary information on the empathy levels of physicians in the Philippine setting between private and public hospitals, showing that physician empathy levels are consistently higher in the private hospital facility. The results can help hospitals incorporate or improve training in empathy in internal medicine residency programs, as empathy is known to affect patient health outcome

    Brief of Amici Curiae Legal Scholars in Support of Equality in Support of Respondents, Fulton v. City of Philadelpha

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    This Brief of Amici Curiae Legal Scholars in Support of Equality in Support of Respondents filed in Fulton v. City of Philadelphia addresses the propriety of an analogy to race discrimination in public accommodation cases involving sexual orientation discrimination. The race analogy in sexual orientation cases proceeds as follows: Advocates and judges widely agree that courts should, and would, reject a religious exemption claim by a public accommodation—such a foster care agency—seeking to turn away an African-American or interracial couple based on the public accommodation’s religious beliefs that Blacks are inferior to whites or that the races should not mix. The race analogy in today’s religious exemption cases is attractive to LGBT-rights advocates because the Court has—in the 1960s case of Piggie Park v. Newman—rejected a religious exemption claim in the context of racial discrimination in public accommodations.The amicus brief addresses two common arguments made by exemption seekers against the race analogy. First, today’s exemptions seekers bristle at the comparison to Piggie Park and to the vendors of the 1960s who sought to justify racial discrimination based on religious beliefs. They contend that the vendors of the 1960s were actually racists using religion as a cover for their bigotry. In contrast, today’s wedding vendors contend that they are asserting honorable and sincerely held religious beliefs that justify sexual orientation discrimination. This amicus brief asserts that the race analogy and the honorableness of today’s exemption seekers are not mutually exclusive because (1) the exemption seekers of the 1960s were viewed as honorable and sincere by courts and the public alike; and (2) courts need not look behind the asserted religious belief to validate or critique it, but must instead accept the asserted belief at face value; any normative characterization of the asserted religious belief is thus irrelevant assessing the propriety of the race analogy.Second, today’s exemption seekers argue that the race analogy is improper because race is subject to strict scrutiny in an equal protection analysis, whereas sexual orientation is subject to, at most, intermediate scrutiny. This argument fails because it is based on a fundamental misunderstanding of two things that are not commensurate: the relationship between the equal protection tiers of scrutiny, on one hand, and claims for religious exemptions from antidiscrimination law, on the other.The amicus brief concludes that analogizing to race in this case requires no improper governmental assessment of religious beliefs, just as courts made no such assessment in the 1960s. The race analogy, including an analogy to Piggie Park, should thus be used in the Fulton case and others like it

    Thermokarst-lake methanogenesis along a complete talik (thaw bulb) profile

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    Thermokarst (thaw) lakes emit methane (CH4) to the atmosphere, with the carbon (C) originating from terrestrial sources such as the Holocene soils of the lakes’ watersheds, thaw of Holocene- and Pleistoceneaged permafrost soil beneath and surrounding the lakes, and decomposition of contemporary organic matter (OM) in the lakes. However, the relative magnitude of CH4 production in surface lake sediments versus deeper thawed permafrost horizons is not well understood. We assessed anaerobic CH4 production potentials from 22 depths along a 590 cm long lake sediment core from the center of an interior Alaska thermokarst lake, Vault Lake, that captured the entire package of surface lake sediments, the talik (thaw bulb), and the top 40 cm of thawing permafrost beneath the talik. We also studied the adjacent Vault Creek permafrost tunnel that extends through icerich yedoma permafrost soils surrounding the lake and into underlying fluvial gravel. Our results show, in the center of a first generation thermokarst-lake, whole-column CH4 production is dominated by methanogenesis in the organic-rich surface lake sediments [151 cm thick; mean ± SD 5.95 ± 1.67 μg C-CH4 per g dry weight sediment per day (g dw−1 d−1); 125.9 ± 36.2 μg C-CH4 per g organic carbon per day (g Corg−1 d−1)]. The organic-rich surface sediments contribute the most (67%) to whole-column CH4 production despite occupying a lesser fraction (26%) of sediment column thickness. High CH4 production potentials were also observed in recently-thawed permafrost (1.18 ± 0.61 μg C-CH4 g dw−1 d−1; 59.60 ± 51.5 μg CCH4 g Corg−1 d−1) at the bottom of the talik, but the narrow thicknesses (43 cm) of this horizon limited its overall contribution to total sediment column CH4 production in the core. Lower rates of CH4 production were observed in sediment horizons representing permafrost that has been thawed in the talik for longer periods of time. The thickest sequence in the Vault Lake core, which consisted of combined Lacustrine silt and Taberite facies (60% of total core thickness), had low CH4 production potentials, contributing only 21% of whole sediment column CH4 production potential. No CH4 production was observed in samples obtained from the permafrost tunnel, whose sediments represent a non-lake environment. Our findings imply that CH4 production is highly variable in thermokarstlake systems and that both modern OM supplied to surface sediments and ancient OM supplied to both surface and deep lake sediments by in situ thaw, as well as shore erosion of yedoma permafrost, are important to lake CH4 production. Knowing where CH4 originates and what proportion of produced CH4 is emitted will aid in estimations of how C release and processing in a thermokarst-lake environment differs from other thawing permafrost and non-permafrost environments. References: Heslop, J.K.; Walter Anthony, K.M.; Sepulveda-Jauregui, A.; Martinez-Cruz, K.; Bondurant, A.; Grosse, G. and Jones, M.C. [2015]: Thermokarst lake methanogenesis along a complete talik profile. Biogeosciences, 12:4317–4331, doi:10.5194/bg-12-4317-2015

    Plan de negocio para determinar la viabilidad de constituir una empresa de dise?o y fabricaci?n de m?quinas trituradoras de Cizalla

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    Nuestra tesis, enfocada en la fabricaci?n de maquinaria industrial, aspira a ser una buena opci?n manufacturera que brinde: valor agregado a la materia prima, genere empleo y sobretodo que beneficie a la sociedad y al medio ambiente. Para ello, hemos identificado un problema de com?n denominador a nivel mundial, la excesiva generaci?n de residuos s?lidos, en contraparte hemos revisado soluciones para corregir y/o aliviar esta situaci?n, eligiendo la m?quina trituradora de cizalla como la opci?n m?s amigable y confiable para reducir el tama?o de los residuos s?lidos, cualquiera sea su origen. Para el Estudio de Mercado, ten?amos que estudiar el proceso de gesti?n de residuos s?lidos en Lima Metropolitana; y elegir certeramente nuestra posible cartera de clientes, en algunos casos ideando estrategias para crear la demanda la cual era nula. Estimada la demanda, ideamos el Plan de Marketing que haga atractivo y sostenible nuestro Plan de Negocio y en funci?n a ello creamos nuestro Plan de Operaciones, considerando proveedores, procesos, costos y legislaci?n vigente. Finalmente nuestro Plan Financiero reflej? que nuestra idea de negocio s? era rentable y atractiva. Esperamos que esta Tesis sea de gu?a para futuras ideas de negocios en nuestra incipiente industria manufacturera peruana

    Enrichment of Sialylated IgG by Lectin Fractionation Does Not Enhance the Efficacy of Immunoglobulin G in a Murine Model of Immune Thrombocytopenia

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    Intravenous immunoglobulin G (IVIg) is widely used against a range of clinical symptoms. For its use in immune modulating therapies such as treatment of immune thrombocytopenic purpura high doses of IVIg are required. It has been suggested that only a fraction of IVIg causes this anti immune modulating effect. Recent studies indicated that this fraction is the Fc-sialylated IgG fraction. The aim of our study was to determine the efficacy of IVIg enriched for sialylated IgG (IVIg-SA (+)) in a murine model of passive immune thrombocytopenia (PIT). We enriched IVIg for sialylated IgG by Sambucus nigra agglutinin (SNA) lectin fractionation and determined the degree of sialylation. Analysis of IVIg-SA (+) using a lectin-based ELISA revealed that we enriched predominantly for Fab-sialylated IgG, whereas we did not find an increase in Fc-sialylated IgG. Mass spectrometric analysis confirmed that Fc sialylation did not change after SNA lectin fractionation. The efficacy of sialylated IgG was measured by administering IVIg or IVIg-SA (+) 24 hours prior to an injection of a rat anti-mouse platelet mAb. We found an 85% decrease in platelet count after injection of an anti-platelet mAb, which was reduced to a 70% decrease by injecting IVIg (p<0.01). In contrast, IVIg-SA (+) had no effect on the platelet count. Serum levels of IVIg and IVIg-SA (+) were similar, ruling out enhanced IgG clearance as a possible explanation. Our results indicate that SNA lectin fractionation is not a suitable method to enrich IVIg for Fc-sialylated IgG. The use of IVIg enriched for Fab-sialylated IgG abolishes the efficacy of IVIg in the murine PIT model

    Safety, pharmacokinetics and target engagement of novel RIPK1 inhibitor SAR443060 (DNL747) for neurodegenerative disorders:Randomized, placebo-controlled, double-blind phase I/Ib studies in healthy subjects and patients

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    RIPK1 is a master regulator of inflammatory signaling and cell death and increased RIPK1 activity is observed in human diseases, including Alzheimer's disease (AD) and amyotrophic lateral sclerosis (ALS). RIPK1 inhibition has been shown to protect against cell death in a range of preclinical cellular and animal models of diseases. SAR443060 (previously DNL747) is a selective, orally bioavailable, central nervous system (CNS)-penetrant, small-molecule, reversible inhibitor of RIPK1. In three early-stage clinical trials in healthy subjects and patients with AD or ALS (NCT03757325 and NCT03757351), SAR443060 distributed into the cerebrospinal fluid (CSF) after oral administration and demonstrated robust peripheral target engagement as measured by a reduction in phosphorylation of RIPK1 at serine 166 (pRIPK1) in human peripheral blood mononuclear cells compared to baseline. RIPK1 inhibition was generally safe and well-tolerated in healthy volunteers and patients with AD or ALS. Taken together, the distribution into the CSF after oral administration, the peripheral proof-of-mechanism, and the safety profile of RIPK1 inhibition to date, suggest that therapeutic modulation of RIPK1 in the CNS is possible, conferring potential therapeutic promise for AD and ALS, as well as other neurodegenerative conditions. However, SAR443060 development was discontinued due to long-term nonclinical toxicology findings, although these nonclinical toxicology signals were not observed in the short duration dosing in any of the three early-stage clinical trials. The dose-limiting toxicities observed for SAR443060 preclinically have not been reported for other RIPK1-inhibitors, suggesting that these toxicities are compound-specific (related to SAR443060) rather than RIPK1 pathway-specific
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