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Sandra Sendra, Jaime Lloret, Jose Miguel Jimenez, Joel J P C Rodrigues
Video surveillance is needed to control many activities performed in underwater environments. The use of wired media can be a problem since the material specially designed for underwater environments is very expensive. In order to transmit the images and videos wirelessly under water, three main technologies can be used: acoustic waves, which do not provide high bandwidth, optical signals, although the effect of light dispersion in water severely penalizes the transmitted signals and therefore, despite offering high transfer rates, the maximum distance is very small, and electromagnetic (EM) waves, which can provide enough bandwidth for video delivery...
October 23, 2016: Sensors
An Li, Jiawen Li, Kenneth A Johnson
HIV Reverse Transcriptase (RT) plays a central role in viral replication and requires coordination of both polymerase and RNase H activities. Although this coordination is crucial in viral replication, whether a DNA/RNA hybrid can simultaneously engage both active sites has yet to be determined since structural and kinetic analyses have provided contradictory results. Single nucleotide incorporation and RNase H cleavage were examined using pre-steady-state kinetics with global data analysis. The results revealed three interconverting RT-DNA/RNA species: 43% were active for both sites, 27% showed only polymerase activity, and the remaining 30% were nonproductive...
October 24, 2016: Journal of Biological Chemistry
Abdul H Sultan, Ash Monga, Joseph Lee, Anton Emmanuel, Christine Norton, Giulio Santoro, Tracy Hull, Bary Berghmans, Stuart Brody, Bernard T Haylen
INTRODUCTION AND HYPOTHESIS: The terminology for anorectal dysfunction in women has long been in need of a specific clinically-based Consensus Report. METHODS: This Report combines the input of members of the Standardization and Terminology Committees of two International Organizations, the International Urogynecological Association (IUGA) and the International Continence Society (ICS), assisted on Committee by experts in their fields to form a Joint IUGA/ICS Working Group on Female Anorectal Terminology...
October 24, 2016: International Urogynecology Journal
Riaz A Agha, Alexander J Fowler, Shivanchan Rajmohan, Ishani Barai, Dennis P Orgill
INTRODUCTION: Case series have been a long held tradition within the surgical literature and are still frequently published. Reporting guidelines can improve transparency and reporting quality. No guideline exists for reporting case series and our recent systematic review highlights key data being missed from such reports. Our objective was to develop reporting guidelines for surgical case series. METHODS: A Delphi consensus exercise was conducted to determine items to include in the reporting guideline...
October 19, 2016: International Journal of Surgery
Abdul H Sultan, Ash Monga, Joseph Lee, Anton Emmanuel, Christine Norton, Giulio Santoro, Tracy Hull, Bary Berghmans, Stuart Brody, Bernard T Haylen
INTRODUCTION: The terminology for anorectal dysfunction in women has long been in need of a specific clinically-based Consensus Report. METHODS: This Report combines the input of members of the Standardization and Terminology Committees of two International Organizations, the International Urogynecological Association (IUGA) and the International Continence Society (ICS), assisted on Committee by experts in their fields to form a Joint IUGA/ICS Working Group on Female Anorectal Terminology...
October 22, 2016: Neurourology and Urodynamics
Masaki Hashimoto, Shigeki Shimizu, Teruhisa Takuwa, Yoshitane Tsukamoto, Tohru Tsujimura, Seiki Hasegawa
BACKGROUND: An atypical type A thymoma variant was newly added to the WHO classification of type A thymoma family in 2015. CASE PRESENTATION: A 72-year-old female was present a large round mass in the anterior mediastinum. The radiological examination led to a preoperative diagnosis of non-invasive thymoma. Tumor resection was undertaken via median sternotomy. Complete removal of the mediastinal tumor was achieved. Pathological examination revealed that the tumor cells were spindle- and oval-shaped with atypia...
December 2016: Surgical Case Reports
H Orpana, M Chawla, E Gallagher, E Escaravage
INTRODUCTION: In 2006, the World Health Organization launched the Global Age-Friendly Cities Project to support active aging. Canada has a large number of age-friendly initiatives; however, little is known about the effectiveness and outcomes of age-friendly community (AFC) initiatives. In addition, stakeholders report that they lack the capacity and tools to develop and conduct evaluations of their AFC initiatives. In order to address these gaps, the Public Health Agency of Canada developed indicators to support the evaluation of AFC initiatives relevant to a wide range of Canadian communities...
October 2016: Health Promotion and Chronic Disease Prevention in Canada
Nicole Cathcart, Neil Coombs, Ilya Gourevich, Vladimir Kitaev
In this work, we use silver decahedral nanoparticle (AgDeNP) seeds to synthesize pentagonal silver stars (AgStDeNPs) and study the sensing properties of these nanoparticles. The regrowth process of AgStDeNPs is kinetically-controlled, so the purity of the seed NPs is critical to avoid secondary deposition in the highly non-equilibrium reduction. To control the regrowth process, surface blocking with sodium polyacrylate (PANa) was implemented. PANa moderates rough silver nanostructures typically obtained by reduction with ascorbic acid...
October 21, 2016: Nanoscale
Michael E Holmstrup, Brock T Jensen, William S Evans, Emily C Marshall
The kettlebell swing (KBS), emphasizing cyclical, explosive hip extension in the horizontal plane, aligns with movement- and velocity-specificity of sprinting. The present study examined the effect of an eight-week KBS intervention on sprinting in recreationally-active females, in comparison to an eight-week intervention using the stiff-legged deadlift (SDL). Following a pre-testing session measuring 30 meter sprint and countermovement vertical jump performance, participants were divided evenly by sprint time into KBS (n=8) and SDL (n=10) cohorts...
2016: International Journal of Exercise Science
Gurmail Singh Paddan
INTRODUCTION: Measurements were made of the sound pressure levels on a military ship HMS Grimsby during firing of a Heavy Machine Gun (HMG) mounted on the starboard bridge wing. The measurement positions comprised three locations on the ship's bridge (the wheelhouse) and one location on the starboard bridge wing. Equipment and Procedure: The three locations on the bridge were the starboard door, centre and port door. A total of 255 burst firings were measured during the survey comprising 850 rounds with each burst encompassing from 1 to 10 rounds...
September 2016: Noise & Health
K H N Weerdesteijn, F G Schaafsma, A J van der Beek, J R Anema
Purpose The purpose of this study was to obtain consensus among physicians of several medical specialties on the level of limitations to work-related functioning of people with persistent "medically unexplained" physical symptoms (PPS). Methods A modified Delphi study was conducted with 15 physicians of five different medical specialties. The study involved two email rounds and one meeting. In each round, the physicians prioritized the level of limitations in 78 work-related functioning items for four different PPS cases...
October 19, 2016: Journal of Occupational Rehabilitation
Miroslawa Bilska, Haili Tang, David C Montefiori
Env-pseudotyped viruses are valuable reagents for studies of HIV-1 neutralizing antibodies. It is often assumed that all particles in the pseudovirus preparations are capable of only a single round of infection, making them a safe alternative to work with live HIV-1. Here we show that some Env-pseudotyped virus preparations give rise to low levels of replication-competent virus (RCV). These levels did not compromise results in the TZM-bl neutralization assay; however, their presence highlights a need to adhere to the same level of biosafety when working with Env-pseuodtyped viruses that is required for work with replication competent HIV-1...
October 19, 2016: AIDS Research and Human Retroviruses
Kirsten Beck, Elaine Albert, Andrew Johnsen, Courtney Newhouse, John McGuire
Medical rounds in the Pediatric Intensive Care Unit (PICU) took about four hours each day to complete. The length of rounds was affecting the advancement of care of the patients, the engagement of sub-specialty providers who needed to be present on other rounds, and the engagement of the PICU faculty and staff due to overburdening waste created by the long duration of rounds. Specific interventions were identified aimed at reducing the duration of rounds each day, increasing engagement of the rounding team and satisfying the needs of the patients and families...
2016: BMJ Quality Improvement Reports
Floriana Pinto, Gianni Biancofiore
BACKGROUND: The ABCDE (Awakening and Breathing coordination of daily sedation and ventilator removal trials; Choice of sedative or analgesic exposure; Delirium monitoring and management; and Early mobility and exercise) bundle is a multidisciplinary set of evidence-based practices for improving patient outcomes in the intensive care unit. Nurses are critical to all the bundle's requirements. Therefore, understanding their knowledge, attitudes, and perception of the different bundle's components might help for an easier implementation into everyday clinical practice...
November 2016: Dimensions of Critical Care Nursing: DCCN
Nathan Crook, Joseph Abatemarco, Jie Sun, James M Wagner, Alexander Schmitz, Hal S Alper
Directed evolution remains a powerful, highly generalizable approach for improving the performance of biological systems. However, implementations in eukaryotes rely either on in vitro diversity generation or limited mutational capacities. Here we synthetically optimize the retrotransposon Ty1 to enable in vivo generation of mutant libraries up to 1.6 × 10(7) l(-1) per round, which is the highest of any in vivo mutational generation approach in yeast. We demonstrate this approach by using in vivo-generated libraries to evolve single enzymes, global transcriptional regulators and multi-gene pathways...
October 17, 2016: Nature Communications
Robert P Fisher
How and when eukaryotic cells make the irrevocable commitment to divide remain central questions in the cell-cycle field. Parallel studies in yeast and mammalian cells seemed to suggest analogous control mechanisms operating during the G1 phase-at Start or the restriction (R) point, respectively-to integrate nutritional and developmental signals and decide between distinct cell fates: cell-cycle arrest or exit versus irreversible commitment to a round of division. Recent work has revealed molecular mechanisms underlying this decision-making process in both yeast and mammalian cells but also cast doubt on the nature and timing of cell-cycle commitment in multicellular organisms...
2016: F1000Research
Akinori Suzuki, Hidero Komata, Shogo Iwashita, Shotaro Seto, Hironobu Ikeya, Mitsutoshi Tabata, Takashi Kitano
In vertebrates, there are four major genes in the RH (Rhesus) gene family, RH, RHAG, RHBG, and RHCG. These genes are thought to have been formed by the two rounds of whole-genome duplication (2R-WGD) in the common ancestor of all vertebrates. In our previous work, where we analyzed details of the gene duplications process of this gene family, three nucleotide sequences belonging to this family were identified in Far Eastern brook lamprey (Lethenteron reissneri), and the phylogenetic positions of the genes were determined...
October 13, 2016: Molecular Phylogenetics and Evolution
Prashant Pendyala, Harpreet Singh Grewal, Hong Nam Kim, Il-Joo Cho, Eui-Sung Yoon
Nanoscale patterns have dimensions that are comparable to the length scales affected by intermolecular and surface forces. In this study, we systematically investigated the individual roles of curvature, surface energy, lateral stiffness, material, pattern density on the characteristics of the adhesion and friction of nanopatterns. For this purpose, we used a combination of capillary force lithography and nanodrawing methods to fabricate cylindrical and mushroom-shaped pillars with flat- and round-top morphologies...
October 14, 2016: ACS Applied Materials & Interfaces
Annick Vanclooster, Hub Wollersheim, Kris Vanhaecht, Dorine Swinkels, Bert Aertgeerts, David Cassiman
BACKGROUND: HFE-related hereditary haemochromatosis (HH) is a common autosomal recessive disorder with clinical manifestations ranging from asymptomatic disease to possible life-threatening complications. Cirrhosis, hepatocellular carcinoma, diabetes mellitus or osteoporosis can develop in HH patients not treated or monitored optimally. The purpose of this study was to develop key-interventions (KI's) to measure and improve the quality of care delivered to patients diagnosed with HH. METHODS: A RAND-Modified Delphi method was used to develop KI's...
October 13, 2016: BMC Health Services Research
Natalia Servetto, Ricardo Sahade
The pennatulid Malacobelemnon daytoni is one of the dominant species in Potter Cove, Antarctica. Its abundance and range of distribution have increased in recent years probably related to climate change mediated alterations of environmental factors. This work is the second part of a study dealing on the reproductive ecology of Malacobelemnon daytoni, and aims to assess its reproductive seasonality over a two-year period. Sampling was carried out every month during 2009-2010 and samples were examined by histological analysis...
2016: PloS One
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