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https://www.readbyqxmd.com/read/28437993/integrated-optical-force-sensors-using-focusing-photonic-crystal-arrays
#1
Jingkun Guo, Richard A Norte, S Gröblacher
Mechanical oscillators are at the heart of many sensor applications. Recently several groups have developed oscillators that are probed optically, fabricated from high-stress silicon nitride films. They exhibit outstanding force sensitivities of a few aN/Hz<sup>1/2</sup> and can also be made highly reflective, for efficient detection. The optical read-out usually requires complex experimental setups, including positioning stages and bulky cavities, making them impractical for real applications. In this paper we propose a novel way of building fully integrated all-optical force sensors based on low-loss silicon nitride mechanical resonators with a photonic crystal reflector...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28427352/point-of-sampling-detection-of-zika-virus-within-a-multiplexed-kit-capable-of-detecting-dengue-and-chikungunya
#2
Ozlem Yaren, Barry W Alto, Priyanka V Gangodkar, Shatakshi R Ranade, Kunal N Patil, Kevin M Bradley, Zunyi Yang, Nikhil Phadke, Steven A Benner
BACKGROUND: Zika, dengue, and chikungunya are three mosquito-borne viruses having overlapping transmission vectors. They cause diseases having similar symptoms in human patients, but requiring different immediate management steps. Therefore, rapid (< one hour) discrimination of these three viruses in patient samples and trapped mosquitoes is needed. The need for speed precludes any assay that requires complex up-front sample preparation, such as extraction of nucleic acids from the sample...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28422593/fundamentals-in-biostatistics-for-investigation-in-pediatric-dentistry-part-ii-biostatistical-methods
#3
Amaury Pozos-Guillén, Socorro Ruiz-Rodríguez, Arturo Garrocho-Rangel
The main purpose of the second part of this series was to provide the reader with some basic aspects of the most common biostatistical methods employed in health sciences, in order to better understand the validity, significance and reliability of the results from any article on Pediatric Dentistry. Currently, as mentioned in the first paper, Pediatric Dentists need basic biostatistical knowledge to be able to apply it when critically appraise a dental article during the Evidence-based Dentistry (EBD) process, or when participating in the development of a clinical study with dental pediatric patients...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28422152/towards-automatic-pulmonary-nodule-management-in-lung-cancer-screening-with-deep-learning
#4
Francesco Ciompi, Kaman Chung, Sarah J van Riel, Arnaud Arindra Adiyoso Setio, Paul K Gerke, Colin Jacobs, Ernst Th Scholten, Cornelia Schaefer-Prokop, Mathilde M W Wille, Alfonso Marchianò, Ugo Pastorino, Mathias Prokop, Bram van Ginneken
The introduction of lung cancer screening programs will produce an unprecedented amount of chest CT scans in the near future, which radiologists will have to read in order to decide on a patient follow-up strategy. According to the current guidelines, the workup of screen-detected nodules strongly relies on nodule size and nodule type. In this paper, we present a deep learning system based on multi-stream multi-scale convolutional networks, which automatically classifies all nodule types relevant for nodule workup...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28410681/simulation-of-scanner-and-patient-specific-low-dose-ct-imaging-from-existing-ct-images
#5
Robiël E Naziroglu, Vincent F van Ravesteijn, Lucas J van Vliet, Geert J Streekstra, Frans M Vos
PURPOSE: Simulating low-dose Computed Tomography (CT) facilitates in-silico studies into the required dose for a diagnostic task. Conventionally, low-dose CT images are created by adding noise to the projection data. However, in practice the raw data is often simply not available. This paper presents a new method for simulating patient-specific, low-dose CT images without the need of the original projection data. METHODS: The low-dose CT simulation method included the following: (1) computation of a virtual sinogram from a high dose CT image through a radon transform; (2) simulation of a 'reduced'-dose sinogram with appropriate amounts of noise; (3) subtraction of the high-dose virtual sinogram from the reduced-dose sinogram; (4) reconstruction of a noise volume via filtered back-projection; (5) addition of the noise image to the original high-dose image...
April 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28403851/making-connections-across-silos-intimate-partner-violence-mental-health-and-substance-use
#6
Robin Mason, Marni Wolf, Susan O'Rinn, Gabrielle Ene
BACKGROUND: Untold numbers of women worldwide are survivors of intimate partner violence (IPV) with a substantial number of these experiencing co-occurring mental health and substance use problems. Despite the complex interconnections among these problems, funding mechanisms and organizational structures and mandates have been designed to address just a single, focal problem. One of the challenges for frontline providers is the lack of effective, evidence-informed inter-professional education or training to help them identify and appropriately respond to co-occurring problems...
April 12, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28392913/low-molecular-weight-heparin-versus-unfractionated-heparin-in-the-management-of-cerebral-venous-thrombosis-a-systematic-review-and-meta-analysis
#7
REVIEW
Anjum Qureshi, Andrea Perera
INTRODUCTION: There are two main choices of anti-coagulation in cerebral venous thrombosis: Unfractionated heparin versus low molecular weight heparin. A consensus is yet to be reached regarding which agent is optimal. Therefore the aim of this systematic review and meta-analysis was to identify which agent is most effective in treating CVT. METHODS: Databases Pubmed (MEDLINE), Google Scholar and hand-picked references from papers of interest were reviewed. Studies comparing the use of low molecular weight heparin and unfractionated heparin in adult patients with a confirmed diagnosis of cerebral vein thrombosis were selected...
May 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28384991/hybrid-doctors-the-need-risen-from-informed-patients
#8
Shyamala Karnam, Prasanna Raghavendra
In the last decade, we have seen a significant surge in the number of patients whom we can term as "Informed patients". Informed patients are well read on the medical condition that they are looking to resolve. They may have often over researched and may be paranoid about what they may be going through; they may also know all potential medications that may be used for treatment and also potential side effects of these. However, they may not be in a position to judge what is actually right and what is actually applicable for what they are going through...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28382823/tandem-oligonucleotide-probe-annealing-and-elongation-to-discriminate-viral-sequence
#9
Maria Taskova, Jesper Uhd, Laura Miotke, Matthew Kubit, John Bell, Hanlee P Ji, Kira Astakhova
New approaches for genomic DNA/RNA detection are in high demand in order to provide controls for existing enzymatic technologies and to create alternatives for emerging applications. In particular, there is an unmet need in rapid, reliable detection of short RNA regions which could open up new opportunities in transcriptome analysis, virology, and other fields. Herein, we report for the first time a "click" chemistry approach to oligonucleotide probe elongation as a novel approach to specifically detect a viral sequence...
April 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28368929/outcomes-after-arthroscopic-fixation-of-tibial-eminence-fractures-with-bioabsorbable-nails-in-skeletally-immature-patients
#10
Amit M Momaya, Connor Read, Megan Steirer, Reed Estes
The aim of this paper is to report the outcomes and any complications with arthroscopic bioabsorbable nail fixation of tibial eminence fractures in skeletally immature patients. We retrospectively reviewed all surgically treated tibial eminence fractures treated by a single surgeon and seven patients were identified with a minimum 2-year follow-up. Mean deficits of flexion and extension were minimal. Satisfactory Tegner levels, Lysholm knee scores, and International Knee Documentation Committee subjective scores were reported...
March 31, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28365740/effective-biomedical-document-classification-for-identifying-publications-relevant-to-the-mouse-gene-expression-database-gxd
#11
Xiangying Jiang, Martin Ringwald, Judith Blake, Hagit Shatkay
The Gene Expression Database (GXD) is a comprehensive online database within the Mouse Genome Informatics resource, aiming to provide available information about endogenous gene expression during mouse development. The information stems primarily from many thousands of biomedical publications that database curators must go through and read. Given the very large number of biomedical papers published each year, automatic document classification plays an important role in biomedical research. Specifically, an effective and efficient document classifier is needed for supporting the GXD annotation workflow...
January 1, 2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28362170/accuracy-and-reproducibility-of-dental-measurements-on-tomographic-digital-models-a-systematic-review-and-meta-analysis
#12
Jamille B Ferreira, Ilana O Christovam, David S Alencar, Andréa F J da Motta, Claudia T Mattos, Adriana Cury-Saramago
OBJECTIVES: The aim of this systematic review with meta-analysis was to assess the accuracy and reproducibility of dental measurements obtained from digital study models generated from CBCT compared with those acquired from plaster models. METHODS: The electronic databases Cochrane Library, Medline (via PubMed), Scopus, VHL, Web of Science, and System for Information on Grey Literature in Europe were screened to identify articles from 1998 until February 2016. The inclusion criteria were: prospective and retrospective clinical trials in humans; validation and/or comparison articles of dental study models obtained from CBCT and plaster models; and articles that used dental linear measurements as an assessment tool...
April 26, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28359967/alcohol-related-serious-road-traffic-injuries-between-2000-and-2010-a-new-perspective-to-deal-with-administrative-data-in-australia
#13
Jason Ferris, Jessica Killian, Belinda Lloyd
BACKGROUND: According to the most recent statistics from the World Health Organization, 1.2 million people die or are injured on the world's roads every year. Drink-driving continues to be a major risk factor for road traffic crashes, with 22% of serious road injuries (SRIs) in Victoria involving a blood alcohol concentration (BAC) equal to or above the legal driving limit of 0.05g/mL. Use of police and hospital data to determine alcohol involvement in SRIs is not reliable, with researchers using proxy measures such as high alcohol hours (HAH)...
March 27, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28338024/evidence-for-use-of-intraoral-scanners-under-clinical-conditions-for-obtaining-full-arch-digital-impressions-is-insufficient
#14
COMMENT
Hadil Khraishi, Brett Duane
Data sourcesPubMed, Scopus, Cochrane Library, Web of Science, Embase. Relevant papers were also searched from the reference lists of selected studies. A web search of current manufacturers of intraoral scanners.Study selectionStudies with full-arch digital impressions recorded intraorally that tested any of the following outcomes; validity, repeatability, reproducibility, time efficiency. Patient acceptance of digital impressions were considered for the review.Data extraction and synthesisInitially, only titles of the papers identified from the databases were screened, then further screening of the abstracts of the selected titles was carried out...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28325132/physical-symptoms-and-working-performance-in-female-breast-cancer-survivors-a-systematic-review
#15
Kamilla Zomkowski, Bruna Cruz de Souza, Fabiana Pinheiro da Silva, Géssica Maria Moreira, Natália de Souza Cunha, Fabiana Flores Sperandio
PURPOSE: The aim of this systematic review was to summarize and systematize the information about physical symptoms and its relation with work activity on female Breast Cancer Survivors (BCS). METHODS: A systematic search was performed on the databases MEDLINE/PubMed (via National Library of Medicine), SCOPUS (Elsevier), Web of Science (Thomson Reuters Scientific) and CINAHL with full text (EBSCO), including papers about physical impairments experienced by female workers who have had breast cancer...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28323612/from-particularities-to-context-refining-our-thinking-on-illness-narratives
#16
Annie Le, Kara Miller, Juliet McMullin
This paper examines how illness narratives are used in medical education and their implications for clinicians' thinking and care of patients. Ideally, collecting and reading illness narratives can enhance clinicians' sensitivity and contextual thinking. And yet these narratives have become part of institutionalizing cultural competency requirements in ways that tend to favor standardization. Stereotyping and reductionistic thinking can result from these pedagogic approaches and obscure structural inequities...
March 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28306682/training-future-anesthesiologists-in-obstetric-care
#17
Mauricio Vasco Ramírez
PURPOSE OF REVIEW: In order for the obstetric anesthesiologist to become a true perioperative / peripartum physician, a change in formative programs and certification process in anesthesia are needed. RECENT FINDINGS: Anesthesia training programs are migrating to competency based medical education (CBME) worldwide. The traditional model of attending lectures, grand rounds, reading textbooks and journal papers should be complemented by virtual modalities such as massive open online courses or online teaching tools...
April 10, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28301003/minor-and-major-health-a-nietzschean-reading
#18
Emília Carvalho Leitão Biato, Luciano Bedin da Costa, Silas Borges Monteiro
This paper aims to discuss the concept of health, understood as multiple and plural. We use Friedrich Nietzsche's philosophical thought as an analytical tool, allowing us to reach a typology involving minor and major health. While the first is normative and sustained by an ideal of healing, the second is an expanding strength, a condition constantly achieved. If minor health follows a preset life moralization script, major health relates to the expanded living being, which affirms its creative nature and transcends established rules...
March 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28295400/paper-based-point-of-care-testing-for-cost-effective-diagnosis-of-acute-flavivirus-infections
#19
Frederic Bedin, Laurent Boulet, Elodie Voilin, Gerald Theillet, Agnes Rubens, Christine Rozand
Flavivirus infections are a serious healthcare concern in tropical and subtropical countries. Although well-established laboratory tests can provide early diagnosis of acute dengue or Zika infections, access to these tests is limited in developing countries, presenting an urgent need to develop simple, rapid, and robust diagnostic tools. Microfluidic Paper-based Analytical Devices (μPAD), are typically rapid, cost-effective, user-friendly, and they can be used as diagnostic tools for the diagnosis of these infections at Point of Care settings...
March 11, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28278236/iopa-i-o-aware-parallelism-adaption-for-parallel-programs
#20
Tao Liu, Yi Liu, Chen Qian, Depei Qian
With the development of multi-/many-core processors, applications need to be written as parallel programs to improve execution efficiency. For data-intensive applications that use multiple threads to read/write files simultaneously, an I/O sub-system can easily become a bottleneck when too many of these types of threads exist; on the contrary, too few threads will cause insufficient resource utilization and hurt performance. Therefore, programmers must pay much attention to parallelism control to find the appropriate number of I/O threads for an application...
2017: PloS One
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