2,985 Works

Older adults’ home- and community-based care service use and residential transitions: a longitudinal study

Ya-Mei Chen & Bobbie Berkowitz
As Home-and Community-Based Services (HCBS), such as skilled nursing services or personal care services, have become increasingly available, it has become clear that older adults transit through different residential statuses over time. Older adults may transit through different residential statuses as the various services meet their needs. The purpose of this exploratory study was to better understand the interplay between community-dwelling older adults’ use of home- and community-based services and their residential transitions. The study...

Essays on Inventory Management and Conjoint Analysis

Yupeng Chen
With recent theoretic and algorithmic advancements, modern optimization methodologies have seen a substantial expansion of modeling power, being applied to solve challenging problems in impressively diverse areas. This dissertation aims to extend the modeling frontier of optimization methodologies in two exciting fields inventory management and conjoint analysis. Although the three essays concern distinct applications using different optimization methodologies, they share a unifying theme, which is to develop intuitive models using advanced optimization techniques to solve...

Paul Theberge. Any Sound You Can Imagine: Making Music/Consuming Technology. Hanover: Wesleyan University Press, 1997. xx, 293 pp.

Kai Fikentscher
In 1904 Erich M. von Hornbostel and Otto Abraham published an article entitled "On the Significance of the Phonograph for Comparative Musicology" in the Zeitschrift fur Ethnologie, thereby formally establishing the connection between technologies of sound recording and reproduction, and their field of academic inquiry, then known as comparative musicology. Since then, both domains have developed significantly. In the United States comparative musicology became ethnomusicology in the 1950s, while in the realm of musical technologies,...

Timothy McGee, editor, with A. G. Rigg and David N. Klausner. Singing Early Music: The Pronunciation of European Languages in the Late Middle Ages and Renaissance

Eric Rice
Singing Early Music is designed primarily as a practical handbook for performers based on sound linguistic scholarship. It offers important advice to singers and choral conductors, and it is of interest to musicologists and literary scholars as well. Much of the information presented was not easily accessible to performers prior to the book's publication, and this information has been gathered and presented in a clear, concise, interesting, and, above all, convenient fashion. This is an...

Active Enchantments: Form, Nature, and Politics in American Literature

Vesna Kuiken
Situated at the crossroads of literary studies, ecocriticism and political theory, Active Enchantments explores a strain of thought within American literature that understands life in all of its forms to be generated not by self determined identities, but by interconnectedness and self abandonment. I argue that this interest led American writers across the nineteenth century to develop theories of subjectivity and of politics that not only emphasize the entanglement of the self with its environment,...

Leveraging Mining Demand for Internet and Telecommunications Infrastructure for Broad Economic Development: Models, Opportunities and Challenges

Perrine Toledano & Clara Roorda
Access to broadband infrastructure is fundamental to lift developing countries out of poverty and an estimated 1.1 billion households are still unconnected to the Internet. Mining companies are increasingly installing fiber optic networks along their grids, railroad tracks and pipelines to improve monitoring of their infrastructure and ensure greater reliability and safety. If mining-related Internet and Telecommunications (ICT) investments are designed to contribute to the development of public infrastructure, the incremental capital cost of building...

In the War but Not of the War: The Protestant Public Sphere in WW-II-era China

Amy R. M. O'Keefe
Many thanks for a very fruitful trip to Columbia University’s Burke Library. Helpful staff enabled me to maximize my productivity during the short time I was there, and I came away thrilled with what I was able to accomplish. While in New York I went through a large amount of the materials in the National Christian Council of China papers, took photos of relevant items for future perusal, and obtained digital copies of much of...

Prenatal polychlorinated biphenyl exposure is associated with decreased gestational length but not birth weight: archived samples from the Child Health and Development Studies pregnancy cohort

Katrina Lynn Kezios, Xinhua Liu, Piera Cirillio, Olga Kalantzi, Yunzhu Wang, Myrto Petreas, June-Soo Park, Gary Bradwin, Barbara Cohn & Pam Factor-Litvak
Polychlorinated biphenyls (PCBs), known endocrine disruptors, were banned in 1979 but persist in the environment. Previous studies are inconsistent regarding prenatal exposure to PCBs and pregnancy outcomes. We investigated associations between prenatal exposure to PCBs and gestational length and birth weight. In a sample of 600 infants (born between 1960 and 1963) randomly selected from Child Health and Development Studies participants followed through adolescence we measured 11 PCB congeners in maternal post partum sera (within...

An online operational rainfall-monitoring resource for epidemic malaria early warning systems in Africa

Emily Grover-Kopec, Mika Kawano, Robert Klaver, Martin Benno Blumenthal, Pietro N. Ceccato & Stephen J. Connor
Periodic epidemics of malaria are a major public health problem for many sub-Saharan African countries. Populations in epidemic prone areas have a poorly developed immunity to malaria and the disease remains life threatening to all age groups. The impact of epidemics could be minimized by prediction and improved prevention through timely vector control and deployment of appropriate drugs. Malaria Early Warning Systems are advocated as a means of improving the opportunity for preparedness and timely...

Prospective application of clinician-performed lung ultrasonography during the 2009 H1N1 influenza A pandemic: distinguishing viral from bacterial pneumonia

James Tsung, David Oren Kessler & Vaishali Shah
Emergency department visits quadrupled with the initial onset and surge during the 2009 H1N1 influenza pandemic in New York City from April to June 2009. This time period was unique in that >90% of the circulating virus was surveyed to be the novel 2009 H1N1 influenza A according to the New York City Department of Health. We describe our experience using lung ultrasound in a case series of patients with respiratory symptoms requiring chest X-ray...

Treatment outcomes among HIV-1 and HIV-2 infected children initiating antiretroviral therapy in a concentrated low prevalence setting in West Africa

Uduak Okomo, Toyin Togun, Francis Oko, Kevin Peterson, John Townend, Ingrid Peterson & Assan Jaye
There is little data on responses to combination antiretroviral therapy (cART) among HIV-infected children in the West African region. We describe treatment outcomes among HIV-1 and HIV-2 infected children initiating cART in a research clinic in The Gambia, West Africa. All treatment naive HIV-infected children who initiated cART according to the WHO ART guidelines for children between October 2004 and December 2009 were included in the analysis. Kaplan-Meir estimates and sign-rank test were used to...

Development and description of measurement properties of an instrument to assess treatment burden among patients with multiple chronic conditions

Philippe Ravaud, Bruno Falissard, Dan Baruch, Viet-Thi Tran, Victor M. Montori & David T. Eton
Patients experience an increasing treatment burden related to everything they do to take care of their health: visits to the doctor, medical tests, treatment management and lifestyle changes. This treatment burden could affect treatment adherence, quality of life and outcomes. We aimed to develop and validate an instrument for measuring treatment burden for patients with multiple chronic conditions. Items were derived from a literature review and qualitative semistructured interviews with patients. The instrument was then...

Smoking Status and Metabolic Syndrome in the Multi-Ethnic Study of Atherosclerosis. A cross-sectional study

Alain Gerald Bertoni, Ivan Berlin, Susan Xiaogin Lin & Joao A. C. Lima
Current smoking is associated with type 2 diabetes mellitus and impaired glucose tolerance but its association with the metabolic syndrome (metS), particularly with sufficiently sampled African American representation, has not been clearly established. To assess whether a) metS is associated with smoking; b) any increased risk of metS among smokers is independent of body mass index (BMI) compared with non-smokers; c) smoking status is differentially associated with the metS and its components across different ethnic...

Recognizing Uncommon Presentations of Psychogenic (Functional) Movement Disorders

José Fidel Baizabal-Carvallo & Robert Fekete
Background: Psychogenic or functional movement disorders (PMDs) pose a challenge in clinical diagnosis. There are several clues, including sudden onset, incongruous symptoms, distractibility, suggestibility, entrainment of symptoms, and lack of response to otherwise effective pharmacological therapies, that help identify the most common psychogenic movements such as tremor, dystonia, and myoclonus. Methods: In this manuscript, we review the frequency, distinct clinical features, functional imaging, and neurophysiological tests that can help in the diagnosis of uncommon presentations...

Does Developmental Education Improve Labor Outcomes? Evidence from Two States.

Michelle Hodara & Di Xu
Nationally, about two thirds of community college students are referred to developmental education. Thus far, research on the effectiveness of developmental education has focused on students’ academic outcomes; in this paper, we examine the economic consequences of developmental education for students. Using longitudinal student-unit record data from two large community college systems linked to wage record data, we estimate the labor market returns to developmental credits versus college-level credits for two cohorts of students who...

What About Certificates? Evidence on the Labor Market Returns to Non-Degree Community College Awards in Two States.

Di Xu & Madeline Joy Trimble
The annual number of certificates (non-degree awards that typically require less time to complete than degrees) awarded by community colleges has increased dramatically since 2000, but relatively little research has been conducted on the economic benefits of certificates in the labor market. Based on detailed student-level information from matched college transcript and employment data in two states, this paper estimates the relationship between earning a certificate and student earnings and employment status after exiting college....

Transbordering planning: esempi dalle Americhe Latine

Clara E. Irazabal Zurita
Le discipline spaziali sono chiamate ad interrogarsi con maggiore attenzione sul ruolo che le dinamiche transnazionali hanno nella configurazione del paesaggio contemporaneo, nelle sue forme urbane, sociali ed identitarie. Lo studio di processi transnazionali del contesto latino-americano, all'interno e al di la delle sue frontiere politiche, sociali, culturali e simboliche, mostra come le popolazioni migranti trascendano, negozino e ridisegnino i confini dei regini di potere esistenti, attraverso le proprie pratiche abitative e di mobilita a...

Function and regulation of the transcription factor HLH-2/E2A during gonadogenesis in Caenorhabditis elegans.

Maria Danielle Sallee
During animal development, cells are born with the potential to adopt different cell fates. Many of the mechanisms that control cell fate choice are highly conserved. Here I study how the fates of two important cell types, the Anchor Cell (AC) and the Distal Tip Cell (DTC), are specified during C. elegans gonadogenesis. The AC is an important signaling hub that directs uterine and vulval development. Its specification and function require the E protein HLH-2/Da/E2A,...

Where Local Kings Rule: Long-Term Impacts of Precolonial Institutions and Geography on Access to Public Infrastructure Services in Nigeria

Belinda Archibong
Though previous works have discussed the benefits of precolonial ethnic state centralization for development in Africa, the findings, of a positive relationship between centralization and development and the mechanisms provided, of local accountability of ethnic state leaders, do not explain the heterogeneity in outcomes, reflected in the unequal distribution of access to public services among formerly centralized states today. Here, I find that centralization has had a negative effect on access to federally administrated, high...

Development of Trimethoprim Chemical Tags for Single Molecule Imaging in Live Cells

Tracy Yuh Wang
By tagging biomolecules with bright and photostable fluorophores, chemical tags enable single molecule (SM) detection and imaging for the study of biological mechanism. One of these tags. the trimethoprim chemical tag (TMP-tag), labels biomolecules using the high affinity interaction between E.coli dihydrofolate reductase and fluorescent derivatives of the antibiotic trimethoprim. The TMP-tag is one of the few chemical tags that has enabled live cell SM imaging. In this work, I present the development of the...

Thriving beyond survival: Understanding utilization of perinatal health services as predictors of birth registration: A cross-sectional study

Michelle Jackson, Putu Duff, Santi Kusumanigrum & Lindsay B. Stark
There are an estimated 35 million unregistered children in Indonesia. To understand ways to best leverage existing health system-related resources and ensure greater protective measures for these vulnerable children, this study explores the predictive relationship between the utilization of perinatal health services and birth certificate ownership in two Indonesian provinces. This study employed a cross-sectional design with interviewer-administered household surveys to heads of households in West Nusa Tenggara and East Nusa Tenggara from May to...

Post-surgical surveillance of locally advanced ileal carcinoids found by routine ileal intubation during screening colonoscopy: a case series

Eileen Ten Cate, Leslie Ann Wong, Walter Groff & Aaron Miller
Carcinoid tumors are the most common type of small bowel tumor, and the incidence is rising. The majority of small bowel carcinoid tumors arise within 60cm of the ileocecal valve. The addition of ileoscopy to screening colonoscopy can detect asymptomatic small bowel carcinoid tumors and improve long-term prognosis through early surgical resection. Ileoscopy is a brief procedure with a high success rate and minimal complications beyond those of colonoscopy. The use of ileoscopy during screening...

Enzymatic cleavage of histone H3: a new consideration when measuring histone modifications in human samples

Caitlin Grace Howe & Mary Gamble
Histone modifications are increasingly being used as biomarkers of cancer prognosis and survival. However, we identified a cleavage product of histone H3 in human peripheral blood mononuclear cells, which interferes with measures of certain H3 modifications. Therefore, the potential for enzymatic cleavage of histones should be considered when measuring histone modifications in human samples. Furthermore, the enzymatic cleavage of human H3 is itself a fascinating area of research and two important questions remain to be...

Mass fatality preparedness among medical examiners/coroners in the United States: a cross-sectional study

Robyn R. Gershon, Mark Orr, Qi Zhi, Jacqueline A. Merrill, Daniel Chen, Halley Riley & Martin Sherman
In the United States (US), Medical Examiners and Coroners (ME/Cs) have the legal authority for the management of mass fatality incidents (MFI). Yet, preparedness and operational capabilities in this sector remain largely unknown. The purpose of this study was twofold; first, to identify appropriate measures of preparedness, and second, to assess preparedness levels and factors significantly associated with preparedness. Three separate checklists were developed to measure different aspects of preparedness: MFI Plan Elements, Operational Capabilities,...

Temporal trends and risk factors for extended-spectrum beta-lactamase-producing Escherichia coli in adults with catheter-associated urinary tract infections

Joseph Spadafino, Bevin A. Cohen, Jianfang Liu & Elaine L. Larson
Extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli cause up to 10% of catheter-associated urinary tract infections (CAUTI). We report changes in ESBL prevalence among CAUTIs in an adult acute care hospital from 2006-2012 and describe factors associated ESBL-production among E. coli CAUTI. Data on patients ≥18 years discharged from a 647-bed tertiary/quaternary care hospital (2006-2012), a 221-bed community hospital (2007-2012), and a 914-bed tertiary/quaternary care hospital (2008) were obtained retrospectively from an electronic database (N = 415,430 discharges). Infections...

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