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Physical Sciences and Mathematics

2017

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Articles 571 - 581 of 581

Full-Text Articles in Medicine and Health Sciences

Nursing Informatics Competency Program, Kristina Ann Dunn Jan 2017

Nursing Informatics Competency Program, Kristina Ann Dunn

Walden Dissertations and Doctoral Studies

Currently, C Hospital lacks a standardized nursing informatics competency program to validate nurses' skills and knowledge in using electronic medical records (EMRs). At the study locale, the organization is about to embark on the implementation of a new, more comprehensive EMR system. All departments will be required to use the new EMR, unlike the current policy that allows some areas to still document on paper. The Institute of Medicine, National League of Nursing, and American Association of Colleges of Nursing support and recommend that information technology be an essential core competency for nurses. Evidence of the need for nursing informatic …


Visualizing Morphogenesis With The Processing Programming Language, Avik Patel, Amar Bains, Richard Millet, Tamira Elul Jan 2017

Visualizing Morphogenesis With The Processing Programming Language, Avik Patel, Amar Bains, Richard Millet, Tamira Elul

Faculty Publications & Research of the TUC College of Osteopathic Medicine

We used Processing, a visual artists’ programming language developed at MIT Media Lab, to simulate cellular mechanisms of morphogenesis – the generation of form and shape in embryonic tissues. Based on observations of in vivo time-lapse image sequences, we created animations of neural cell motility responsible for elongating the spinal cord, and of optic axon branching dynamics that establish primary visual connectivity. These visual models underscore the significance of the computational decomposition of cellular dynamics underlying morphogenesis.


Research Strategies For Biomedical And Health Informatics: Some Thought-Provoking And Critical Proposals To Encourage Scientific Debate On The Nature Of Good Research In Medical Informatics, Reinhold Haux, Et Al. Jan 2017

Research Strategies For Biomedical And Health Informatics: Some Thought-Provoking And Critical Proposals To Encourage Scientific Debate On The Nature Of Good Research In Medical Informatics, Reinhold Haux, Et Al.

Research Collection School Of Computing and Information Systems

Medical informatics, or biomedical and health informatics (BMHI), has become an established scientific discipline. In all such disciplines there is a certain inertia to persist in focusing on well-established research areas and to hold on to well-known research methodologies rather than adopting new ones, which may be more appropriate. To search for answers to the following questions: What are research fields in informatics, which are not being currently adequately addressed, and which methodological approaches might be insufficiently used? Do we know about reasons? What could be consequences of change for research and for education? Outstanding informatics scientists were invited to …


Multi-Scale Cardiovascular Flow Analysis By An Integrated Meshless-Lumped Parameter Model, Leonardo A. Bueno, Eduardo A. Divo, Alain J. Kassab Jan 2017

Multi-Scale Cardiovascular Flow Analysis By An Integrated Meshless-Lumped Parameter Model, Leonardo A. Bueno, Eduardo A. Divo, Alain J. Kassab

Publications

A computational tool that integrates a Radial basis function (RBF)-based Meshless solver with a Lumped Parameter model (LPM) is developed to analyze the multi-scale and multi-physics interaction between the cardiovascular flow hemodynamics, the cardiac function, and the peripheral circulation. The Meshless solver is based on localized RBF collocations at scattered data points which allows for automation of the model generation via CAD integration. The time-accurate incompressible flow hemodynamics are addressed via a pressure-velocity correction scheme where the ensuing Poisson equations are accurately and efficiently solved at each time step by a Dual-Reciprocity Boundary Element method (DRBEM) formulation that takes advantage …


Dihydropyridines As Calcium Channel Blockers: An Overview, Thelma Salazar, Andres Gonzalez, Debasish Bandyopadhyay Jan 2017

Dihydropyridines As Calcium Channel Blockers: An Overview, Thelma Salazar, Andres Gonzalez, Debasish Bandyopadhyay

Chemistry Faculty Publications and Presentations

Cardiovascular disease remains one of the leading causes of death in the United States. It is estimated that 1 in every 3 American adults suffer from high blood pressure. Hypertension, a precursor to most cardiovascular diseases, continues to grow at an alarming rate and is seldom managed carefully. Attempts have been made to manage hypertension and reduce the morbidity and mortality of the cardiovascular organ through methods including diets, increased amount of exercise, and medications. Many commercial drugs have been derived from dihydropyridine due to its antihypertensive property. Dihydropyridine derivatives work by acting as calcium channel blockers blocking the intake …


Marginal Structural Cox Model For Survival Data With Treatment-Confounder Feedback, Yanan Zhang Jan 2017

Marginal Structural Cox Model For Survival Data With Treatment-Confounder Feedback, Yanan Zhang

Theses and Dissertations

In an observational longitudinal study, there can be time-varying exposure/treatment and time-varying confounders. When the confounders affect the exposure and prior exposure also has an impact on levels of confounders, there is treatment confounder feedback. To admit estimation of unbiased causal effects, these conditions need to be hold, exchangeability, positivity, consistency. The traditional method of conditioning on potential confounders does not meet these 3 conditions. Therefore, parameter estimates from traditional Cox model are biased casual effect estimates when the treatment confounder feedback exists. The marginal structural Cox model can be used to address this issue. By calculating and including inverse …


Alamat Klinik Aborsi Di Asahan-Jual Obat Aborsi Tuntas 082295374972, Mutiara Klinik Dec 2016

Alamat Klinik Aborsi Di Asahan-Jual Obat Aborsi Tuntas 082295374972, Mutiara Klinik

mutiara klinik

KLINIK ABORSI-JUAL OBAT ABORSI AMPUH-OBAT PENGGUGUR KANDUNGN-OBAT TELAT BULAN
klinik aborsi,obat aborsi,jual obat aborsi,cara menggugurkan kandungan. 
Kami beri jasa Aborsi dengan bantuan obat Cytotec melalui metode terpadu kami terbukti selama 3 tahun sejauh ini HANYA mampu mencapai keberhasilan aborsi sampai 97%. Tidak ada keberhasilan 100% atau mutlak karena ditentukan oleh beberapa parameter, kondisi badan setiap individu sengat berbeda satu sama lain. Tidak ada 1 pun orang di dunia ini bahkan pemenang NOBEL biologi sekalipun bisa menggaransi hasil dan reaksi yang sama persis pada setiap individu (tehnik sampling dan statistik), setiap obat yang diluncurkan di pasaran sudah melewati ribuan tes dan percobaan …


Using Raman Spectroscopy To Improve Hyperpolarized Noble Gas Production For Clinical Lung Imaging Techniques, Jonathan R. Birchall, Nicholas Whiting, Jason G. Skinner, Michael J. Barlow, Boyd M. Goodson Dec 2016

Using Raman Spectroscopy To Improve Hyperpolarized Noble Gas Production For Clinical Lung Imaging Techniques, Jonathan R. Birchall, Nicholas Whiting, Jason G. Skinner, Michael J. Barlow, Boyd M. Goodson

Nicholas Whiting

Spin-exchange optical pumping (SEOP) can be used to “hyperpolarize” 129Xe for human lung MRI. SEOP involves transfer of angular momentum from light to an alkali metal (Rb) vapor, and then onto 129Xe nuclear spins during collisions; collisions between excited Rb and N2 ensure that incident optical energy is nonradiatively converted into heat. However, because variables that govern SEOP are temperature-dependent, the excess heat can complicate efforts to maximize spin polarization—particularly at high laser fluxes and xenon densities. Ultra-low frequency Raman spectroscopy may be used to perform in situ gas temperature measurements to investigate the interplay of energy thermalization and SEOP …


Kapsul Obat Kelamin Terasa Panas Pada Wanita Setelah Menstruasi, Obat Kencing Nanah Dec 2016

Kapsul Obat Kelamin Terasa Panas Pada Wanita Setelah Menstruasi, Obat Kencing Nanah

obat kencing nanah

kapsul obat kelamin terasa panas pada wanita setelah menstruasi


Regional Initiatives For Malaria Elimination: Building And Maintaining Partnerships, Andrew A. Lover, Kelly E. Harvard, Alistair E. Lindawson, Cara Smith Gueye, Rima Shretta, Roly Gosling, Richard Feachem Dec 2016

Regional Initiatives For Malaria Elimination: Building And Maintaining Partnerships, Andrew A. Lover, Kelly E. Harvard, Alistair E. Lindawson, Cara Smith Gueye, Rima Shretta, Roly Gosling, Richard Feachem

Andrew Lover

  • Country programs and international donors are increasingly focused on regional approaches to malaria elimination; regional initiatives have been established in southern Africa, the Arabian Peninsula, Asia Pacific, Eastern Europe, and Latin America. Despite this growing attention, there is limited information and guidance on both key activities and organizational components of regional initiatives.
  • In a review conducted for this policy forum, common characteristics across existing regional initiatives emerged: building a region-specific evidence base, leveraging expertise and resources, shifting commodities or pooling procurement, developing data-sharing systems, mobilizing resources, promoting high-level accountability, and strengthening advocacy.
  • Regional initiatives share key structural elements: a strategic …


Malaria Risk Factors And Care-Seeking Behaviour Within The Private Sector Among High-Risk Populations In Vietnam: A Qualitative Study, Ingrid Chen, Huong Ngo Thi Thanh, Andrew A. Lover, Phung Thi Thao, Tang Viet Luu, Hoang Nghia Thang, Ngo Duc Thang, Josselyn Neukom, Adam Bennett Dec 2016

Malaria Risk Factors And Care-Seeking Behaviour Within The Private Sector Among High-Risk Populations In Vietnam: A Qualitative Study, Ingrid Chen, Huong Ngo Thi Thanh, Andrew A. Lover, Phung Thi Thao, Tang Viet Luu, Hoang Nghia Thang, Ngo Duc Thang, Josselyn Neukom, Adam Bennett

Andrew Lover

Background
Vietnam has successfully reduced malaria incidence by more than 90% over the past 10 years, and is now preparing for malaria elimination. However, the remaining malaria burden resides in individuals that are hardest to reach, in highly remote areas, where many malaria cases are treated through the informal private sector and are not reported to public health systems. This qualitative study aimed to contextualize and characterize the role of private providers, care-seeking behaviour of individuals at high risk of malaria, as well as risk factors that should be addressed through malaria elimination programmes in Vietnam.
Methods
Semi-structured qualitative interviews were …