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https://www.readbyqxmd.com/read/28440043/self-sealed-bionic-long-microchannels-with-thin-wall-and-designable-nanoholes-prepared-by-line-contact-capillary-force-assembly
#1
Zhao-Xin Lao, Yan-Lei Hu, Deng Pan, Ren-Yan Wang, Chen-Chu Zhang, Jin-Cheng Ni, Bing Xu, Jia-Wen Li, Dong Wu, Jia-Ru Chu
Long microchannels with thin walls, small width, and nanoholes or irregular shaped microgaps, which are similar to capillaries or cancerous vessels, are urgently needed to simulate the physiological activities in human body. However, the fabrication of such channels remains challenging. Here, microchannels with designable holes are manufactured by combining laser printing with line-contact capillary-force assembly. Two microwalls are first printed by femtosecond laser direct-writing, and subsequently driven to collapse into a channel by the capillary force that arises in the evaporation of developer...
April 25, 2017: Small
https://www.readbyqxmd.com/read/28439751/development-of-a-streamlined-work-flow-for-handling-patients-genetic-testing-insurance-authorizations
#2
Wendy R Uhlmann, Katie Schwalm, Victoria M Raymond
Obtaining genetic testing insurance authorizations for patients is a complex, time-involved process often requiring genetic counselor (GC) and physician involvement. In an effort to mitigate this complexity and meet the increasing number of genetic testing insurance authorization requests, GCs formed a novel partnership with an industrial engineer (IE) and a patient services associate (PSA) to develop a streamlined work flow. Eight genetics clinics and five specialty clinics at the University of Michigan were surveyed to obtain benchmarking data...
April 24, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28439549/observation-of-current-induced-long-lived-persistent-spin-polarization-in-a-topological-insulator-a-rechargeable-spin-battery
#3
Jifa Tian, Seokmin Hong, Ireneusz Miotkowski, Supriyo Datta, Yong P Chen
Topological insulators (TIs), with their helically spin-momentum-locked topological surface states (TSSs), are considered promising for spintronics applications. Several recent experiments in TIs have demonstrated a current-induced electronic spin polarization that may be used for all-electrical spin generation and injection. We report spin potentiometric measurements in TIs that have revealed a long-lived persistent electron spin polarization even at zero current. Unaffected by a small bias current and persisting for several days at low temperature, the spin polarization can be induced and reversed by a large "writing" current applied for an extended time...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28439537/the-nearly-universal-link-between-the-age-of-past-knowledge-and-tomorrow-s-breakthroughs-in-science-and-technology-the-hotspot
#4
Satyam Mukherjee, Daniel M Romero, Ben Jones, Brian Uzzi
Scientists and inventors can draw on an ever-expanding literature for the building blocks of tomorrow's ideas, yet little is known about how combinations of past work are related to future discoveries. Our analysis parameterizes the age distribution of a work's references and revealed three links between the age of prior knowledge and hit papers and patents. First, works that cite literature with a low mean age and high age variance are in a citation "hotspot"; these works double their likelihood of being in the top 5% or better of citations...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28439193/hysteroscopic-management-of-uterine-arteriovenous-malformation
#5
Stefano Calzolari, Mauro Cozzolino, Eleonora Castellacci, Valeria Dubini, Alfonso Farruggia, Giovanni Sisti
BACKGROUND AND OBJECTIVES: Uterine arteriovenous malformation (AVM) is characterized by shunts between the myometrial arteries and veins. Treatment is based on the severity of uterine bleeding and ranges from conservative medical approaches to embolization of affected arteries. The aim of study was to evaluate the feasibility and safety of hysteroscopy for management of uterine AVM. METHODS: This was a retrospective study of a cohort of 11 cases occurring between March 2012 and December 2015 in our Regional Center of Excellence in Hysteroscopy, University of Florence...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28439189/development-and-evaluation-of-two-abbreviated-questionnaires-for-mentoring-and-research-self-efficacy
#6
Donna B Jeffe, Treva K Rice, Josephine E A Boyington, Dabeeru C Rao, Girardin Jean-Louis, Victor G Dávila-Román, Anne L Taylor, Betty S Pace, Mohamed Boutjdir
OBJECTIVES: To reduce respondent burden for future evaluations of the National Heart, Lung, and Blood Institute-supported Programs to Increase Diversity Among Individuals Engaged in Health-Related Research (PRIDE), a mentored-research education program, we sought to shorten the 33-item Ragins and McFarlin Mentor Role Instrument (RMMRI), measuring mentor-role appraisals, and the 69-item Clinical Research Appraisal Inventory (CRAI), measuring research self-efficacy. METHODS: Three nationally recruited, junior-faculty cohorts attended two, annual 2-3 week Summer Institutes (SI-1/SI-2: 2011/2012, 2012/2013, 2013/2014) at one of six PRIDE sites...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28439130/ismp-adverse-drug-reactions
#7
Michael A Mancano
The purpose of this feature is to heighten awareness of specific adverse drug reactions (ADRs), discuss methods of prevention, and promote reporting of ADRs to the US Food and Drug Administration's (FDA's) MedWatch program (800-FDA-1088). If you have reported an interesting, preventable ADR to MedWatch, please consider sharing the account with our readers. Write to Dr. Mancano at ISMP, 200 Lakeside Drive, Suite 200, Horsham, PA 19044 (phone: 215-707-4936; e-mail: mmancano@temple.edu). Your report will be published anonymously unless otherwise requested...
March 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28437690/a-guide-to-nursing-students-written-reflections-for-students-and-educators
#8
Jessica Naber, Liz Markley
Experiences from the clinical setting are ideal for building critical thinking skills if reflection is used as a teaching tool. Reflective writing is the purposeful and recurring inspection of thoughts, feelings, and occurrences that coordinate with experiences during practice. Reflecting on clinical experiences develops critical thinking ability, fosters self-understanding, facilitates coping, and leads to improvement in clinical practice (Kennison, 2006). Reflective writing allows students to combine clinical experiences and takeaways with didactic material to better understand both practice and instruction...
April 7, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28437386/the-international-liver-transplantation-society-living-donor-liver-transplant-recipient-guideline
#9
Charles M Miller, Cristiano Quintini, Anil Dhawan, Francois Durand, Julie K Heimbach, Hyung Leona Kim-Schluger, Eirini Kyrana, Sung-Gyu Lee, Jan Lerut, Chung-Mau Lo, Elizabeth Anne Pomfret
Living donor liver transplantation (LDLT) has been increasingly embraced around the world as an important strategy to address the shortage of deceased donor livers. The aim of this guideline, approved by the International Liver Transplantation Society (ILTS), is to provide a collection of expert opinions, consensus, and best practices surrounding LDLT. Recommendations were developed from an analysis of the National Library of Medicine living donor transplantation indexed literature using the Grading of Recommendations Assessment, Development and Evaluation methodology...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28436845/drawing-and-recognizing-chinese-characters-with-recurrent-neural-network
#10
Xu-Yao Zhang, Fei Yin, Yan-Ming Zhang, Cheng-Lin Liu, Yoshua Bengio
Recent deep learning based approaches have achieved great success on handwriting recognition. Chinese characters are among the most widely adopted writing systems in the world. Previous research has mainly focused on recognizing handwritten Chinese characters. However, recognition is only one aspect for understanding a language, another challenging and interesting task is to teach a machine to automatically write (pictographic) Chinese characters. In this paper, we propose a framework by using the recurrent neural network (RNN) as both a discriminative model for recognizing Chinese characters and a generative model for drawing (generating) Chinese characters...
April 18, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28436256/clinical-and-economic-impact-of-hyperkalemia-in-patients-with-chronic-kidney-disease-and-heart-failure
#11
Michael Polson, Todd C Lord, Anne Kangethe, Lindsay Speicher, Carolyn Farnum, Melanie Brenner, Nina Oestreicher, Paula Alvarez
BACKGROUND: Hyperkalemia (HK) is a concern for patients with chronic kidney disease (CKD) and heart failure (HF), and for those receiving treatments that inhibit the renin-angiotensin-aldosterone system (RAASi). An analysis of 1.7 million medical records of patients in the United States revealed that among individuals with more than 2 potassium values during 2007 to 2012, HK was detected in 34.6% of patients with CKD and 30.0% of patients with HF. OBJECTIVE: To evaluate the association of HK and use of RAASi therapies at optimal and suboptimal doses in patients with CKD and/or HF with health care resource utilization and overall cost of care in a diverse cohort of commercially insured patients...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28435813/medical-care-or-disciplinary-discourses-preventive-measures-against-the-black-death-in-late-medieval-paris-a-brief-review
#12
REVIEW
Yong Jin Hong, Sam Hun Park
BACKGROUND: This paper examined the political and social implications of the Compendium de epidemia prescription written by the Masters of the Faculty of Medicine of the University of Paris in the mid-14th century during the Black Death. This study aimed to examine how the effects of power as a discourse owned by medical knowledge are revealed. METHODS: This paper outlines the composition of the contents based on the 1888 edition edited and translated by Émile H...
March 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28435096/improving-automated-multiple-sclerosis-lesion-segmentation-with-a-cascaded-3d-convolutional-neural-network-approach
#13
Sergi Valverde, Mariano Cabezas, Eloy Roura, Sandra González-Villà, Deborah Pareto, Joan C Vilanova, Lluís Ramió-Torrentà, Àlex Rovira, Arnau Oliver, Xavier Lladó
In this paper, we present a novel automated method for White Matter (WM) lesion segmentation of Multiple Sclerosis (MS) patient images. Our approach is based on a cascade of two 3D patch-wise convolutional neural networks (CNN). The first network is trained to be more sensitive revealing possible candidate lesion voxels while the second network is trained to reduce the number of misclassified voxels coming from the first network. This cascaded CNN architecture tends to learn well from a small (n≤35) set of labeled data of the same MRI contrast, which can be very interesting in practice, given the difficulty to obtain manual label annotations and the large amount of available unlabeled Magnetic Resonance Imaging (MRI) data...
April 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28434287/la-donna-di-ostuni-a-case-of-eclampsia-28-000%C3%A2-years-ago
#14
Pierre-Yves Robillard, Marco Scioscia, Donato Coppola, Jean Chaline, Francesco Bonsante, Silvia Iacobelli
La "Donna di Ostuni", the Lady from Ostuni (fortified medieval city, on the southern Italian Adriatic coast) is the skeleton of "the human most ancient mother" ever found by paleoanthropologists, grave dated of 28,000 years BP. It concerns a 20-years-old woman buried with her baby in her womb estimated at 8 months gestation. To date, the cause of the maternal-fetal deaths is qualified of unknown origin. We propose that eclampsia may be a possible explanation for these deaths (mother and baby together). Eclampsia (convulsions), the curse of human births (non-existent in other mammals), has been described since writings has existed 5000 years ago in all civilisations...
April 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28433803/colorimetric-and-fluorimetric-response-of-salicylaldehyde-dithiosemicarbazone-towards-fluoride-cyanide-and-copper-ions-spectroscopic-and-td-dft-studies
#15
Vengayil K Harikrishnan, Sabeel M Basheer, Nithin Joseph, Anandaram Sreekanth
The sensing mechanism of salicylaldehyde phenyldithiosemicarbazone (SDTSC) chemosensor has been investigated by spectroscopic and TD-DFT methods. The SDTSC shows colourimetric and spectral changes towards fluoride, cyanide and copper ions. The interaction between SDTSC with fluoride, cyanide and copper ions was examined through their absorption and fluorescence behaviour, and found that SDTSC has more sensing ability towards Cu(2+) ion than CN(-) and F(-) ions. The (1)H NMR titration with SDTSC and F(-) gives the structural changes in the sensing process...
April 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28433083/getting-write-into-therapy
#16
EDITORIAL
Peter H Marcus
No abstract text is available yet for this article.
May 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28431554/a-need-to-accelerate-health-research-productivity-in-an-african-university-the-case-of-makerere-university-college-of-health-sciences
#17
Damalie Nakanjako, Dickens Akena, Dan K Kaye, James Tumwine, Elialilia Okello, Annettee Nakimuli, Andrew Kambugu, Hazel McCullough, Harriet Mayanja-Kizza, Moses R Kamya, Nelson K Sewankambo
BACKGROUND: In the last decade, Makerere University College of Health Sciences (MakCHS) has taken strides in research and training to improve healthcare through collaborative training and research programs. However, there is limited data on the trends of MakCHS faculty contributions to research and on faculty growth to take leading roles in health research. This paper reviews MakCHS faculty research publications over 15.5 years and outlines possible strategies to enhance faculty research outputs...
April 21, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28430501/metric-independence-of-vacuum-and-force-free-electromagnetic-fields
#18
Abraham I Harte
Electromagnetic fields which solve the vacuum Maxwell equations in one spacetime are well known to also be solutions in all spacetimes with conformally related metrics. This provides a sense in which electromagnetism alone cannot be used to measure certain aspects of geometry. We show that there is actually much more which cannot be so measured; relatively little of a spacetime's geometry is in fact imprinted in any particular electromagnetic field. This is demonstrated by finding a much larger class of metric transformations-involving five free functions-which preserve Maxwell solutions both in vacuum, without local currents, and also for the force-free electrodynamics associated with a tenuous plasma...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28429665/the-2016-aha-acc-guideline-on-the-management-of-patients-with-lower-extremity-peripheral-artery-disease-an-interview-with-svm-members-of-the-writing-committee
#19
Ehrin J Armstrong, Heather L Gornik, Naomi M Hamburg, Scott Kinlay
No abstract text is available yet for this article.
April 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28428047/diffusion-mri-of-the-human-brain-at-ultra-high-field-uhf-a-review
#20
Daniel Gallichan
The continued drive towards MRI scanners operating at increasingly higher main magnetic fields is primarily motivated by the maxim that more teslas mean more signal and lead to better images. This promise of increased signal, which cannot easily be achieved in other ways, encourages efforts to overcome the inextricable technical challenges which accompany this endeavor. Unlike for many applications, however, diffusion imaging is not currently able to directly reap these potential signal gains - at the time of writing it seems fair to say that, for matched gradient and RF hardware, the majority of diffusion images acquired at 7T, while comparable in quality to those achievable at 3T, do not demonstrate a clear advantage over what can be obtained at lower field...
April 18, 2017: NeuroImage
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