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Mehwish Naz, Toby Hallam, Nina C Berner, Niall McEvoy, Riley Gatensby, John B McManus, Zareen Akhter, Georg S Duesberg
We report on 2H-2H'/1T phase conversion of MoS2 and MoSe2 polycrystalline films grown by thermally assisted conversion. The structural conversion of the transition metal dichalcogenides was successfully carried out by organolithium treatment on chip. As a result we obtained a new 2H-2H'/1T co-phase system of the TMDs thin films which was verified by Raman spectroscopy, X-ray diffraction and X-ray photoelectron spectroscopy. The conversion was successfully carried to on selected areas yielding a lateral heterostructure between the pristine 2H phase and the 2H'/1T co-phase regions...
October 24, 2016: ACS Applied Materials & Interfaces
Advaitha Madireddy, Settapong T Kosiyatrakul, Rebecca A Boisvert, Emilia Herrera-Moyano, María L García-Rubio, Jeannine Gerhardt, Elizabeth A Vuono, Nichole Owen, Zi Yan, Susan Olson, Andrés Aguilera, Niall G Howlett, Carl L Schildkraut
Common fragile sites (CFSs) are genomic regions that are unstable under conditions of replicative stress. Although the characteristics of CFSs that render them vulnerable to stress are associated mainly with replication, the cellular pathways that protect CFSs during replication remain unclear. Here, we identify and describe a role for FANCD2 as a trans-acting facilitator of CFS replication, in the absence of exogenous replicative stress. In the absence of FANCD2, replication forks stall within the AT-rich fragility core of CFS, leading to dormant origin activation...
October 20, 2016: Molecular Cell
Susan Heavey, Sinead Cuffe, Stephen Finn, Vincent Young, Ronan Ryan, Siobhan Nicholson, Niamh Leonard, Niall McVeigh, Martin Barr, Kenneth O'Byrne, Kathy Gately
Clinical PI3K inhibition has been somewhat disappointing, due to both inadequate patient stratification and compensatory cell signalling through bypass mechanisms. As such, investigation of PI3K-MEK co-targeted inhibition has been recommended. With high mortality rates and a clear need for new therapeutic intervention strategies, non-small cell lung cancer (NSCLC) is an important setting to investigate the effectiveness of this approach.Here, 174 NSCLC tumours were screened for 150 mutations by Fluidigm technology, with 15 patients being profiled for phosphoprotein expression...
October 19, 2016: Oncotarget
Alex R Hardisty, Finn Bacall, Niall Beard, Maria-Paula Balcázar-Vargas, Bachir Balech, Zoltán Barcza, Sarah J Bourlat, Renato De Giovanni, Yde de Jong, Francesca De Leo, Laura Dobor, Giacinto Donvito, Donal Fellows, Antonio Fernandez Guerra, Nuno Ferreira, Yuliya Fetyukova, Bruno Fosso, Jonathan Giddy, Carole Goble, Anton Güntsch, Robert Haines, Vera Hernández Ernst, Hannes Hettling, Dóra Hidy, Ferenc Horváth, Dóra Ittzés, Péter Ittzés, Andrew Jones, Renzo Kottmann, Robert Kulawik, Sonja Leidenberger, Päivi Lyytikäinen-Saarenmaa, Cherian Mathew, Norman Morrison, Aleksandra Nenadic, Abraham Nieva de la Hidalga, Matthias Obst, Gerard Oostermeijer, Elisabeth Paymal, Graziano Pesole, Salvatore Pinto, Axel Poigné, Francisco Quevedo Fernandez, Monica Santamaria, Hannu Saarenmaa, Gergely Sipos, Karl-Heinz Sylla, Marko Tähtinen, Saverio Vicario, Rutger Aldo Vos, Alan R Williams, Pelin Yilmaz
BACKGROUND: Making forecasts about biodiversity and giving support to policy relies increasingly on large collections of data held electronically, and on substantial computational capability and capacity to analyse, model, simulate and predict using such data. However, the physically distributed nature of data resources and of expertise in advanced analytical tools creates many challenges for the modern scientist. Across the wider biological sciences, presenting such capabilities on the Internet (as "Web services") and using scientific workflow systems to compose them for particular tasks is a practical way to carry out robust "in silico" science...
October 20, 2016: BMC Ecology
Ugo Ikwuka, Niall Galbraith, Ken Manktelow, Josephine Chen-Wilson, Femi Oyebode, Rosemary C Muomah, Anuli Igboaka
The striking gaps in formal mental health care in the developing world are largely traceable to Instrumental and Ideological Barriers. Focusing on south-eastern Nigeria, the study aimed to establish the relative weight, significance and determinants of these barriers for prioritised policy interventions. Multistage sampling method was used to select participants (n = 706) to whom questionnaires were administered. Ideological Barriers (cultural and mental health literacy constraints) were more significantly perceived (84...
2016: Journal of Health Care for the Poor and Underserved
Niall McCrae
With a spring in his step, lecturer Jeroen Ensink left his suburban London home to post cards to his many friends around the world, announcing the arrival of his baby daughter. Seconds later his life was over. A young man had pounced, and in a state of frenzy, savagely stabbed his random victim (Daily Mail, 4 January 2016). As psychiatric patient Femi Nandap begins detention in a high-security institution, we should spare some thought for Jeroen's wife, and his only child. This article is protected by copyright...
October 19, 2016: Journal of Advanced Nursing
Nicholas E Mamrak, Akiko Shimamura, Niall G Howlett
Fanconi anemia (FA) is a rare autosomal and X-linked genetic disease characterized by congenital abnormalities, progressive bone marrow failure (BMF), and increased cancer risk during early adulthood. The median lifespan for FA patients is approximately 33years. The proteins encoded by the FA genes function together in the FA-BRCA pathway to repair DNA damage and to maintain genome stability. Within the past two years, five new FA genes have been identified-RAD51/FANCR, BRCA1/FANCS, UBE2T/FANCT, XRCC2/FANCU, and REV7/FANCV-bringing the total number of disease-causing genes to 21...
October 13, 2016: Blood Reviews
Jan Franko, Qian Shi, Jeffrey P Meyers, Timothy S Maughan, Richard A Adams, Matthew T Seymour, Leonard Saltz, Cornelis J A Punt, Miriam Koopman, Christophe Tournigand, Niall C Tebbutt, Eduardo Diaz-Rubio, John Souglakos, Alfredo Falcone, Benoist Chibaudel, Volker Heinemann, Joseph Moen, Aimery De Gramont, Daniel J Sargent, Axel Grothey
BACKGROUND: Patients with peritoneal metastatic colorectal cancer have reduced overall survival compared with patients with metastatic colorectal cancer without peritoneal involvement. Here we further investigated the effect of the number and location of metastases in patients receiving first-line systemic chemotherapy. METHODS: We analysed individual patient data for previously untreated patients enrolled in 14 phase 3 randomised trials done between 1997 and 2008...
October 12, 2016: Lancet Oncology
Katherine Payne, Niall Davison, Alexander Thompson, Kevin O'Brien, Iain A Bruce
Children with a cleft palate (CP) have an increased tendency towards otitis media with effusion (OME) compared with other children; There are no epidemiological data available to indicate how many children within specific age groups with CP have OME, or will still have OME, after the current recommended 'watchful waiting' period of three-months before considering intervention; This study aimed to identify the proportion of 2-year olds with CP, or cleft lip and palate (CLP), that have a confirmed diagnosis of OME and the proportion of 2-year olds with CLP or CP that still have OME after a period of 3-months 'watchful waiting'; Using a structured elicitation exercise, this study identified that experts in the management of children with CP estimated that around 61% of 2-year olds would have a confirmed diagnosis of OME and 55% of these 2-year olds would still have OME after a period of 3-months watchful waiting; In the absence of data from a prospective cohort of children with CP the results from this study can be used as the foundation to inform the design of future prospective randomised trials of interventions for children with CP and OME: An elicitation exercise can be used to estimate the proportion of affected individuals when more definitive data is not available This article is protected by copyright...
October 15, 2016: Clinical Otolaryngology
Laveena Munshi, Hayley B Gershengorn, Eddy Fan, Hannah Wunsch, Niall D Ferguson, Therese A Stukel, Gordon D Rubenfeld
RATIONALE: Adoption and de-adoption of adjuvant strategies to mechanical ventilation for acute respiratory failure (ARF), and factors associated with their selection, have not been extensively evaluated. OBJECTIVES: To evaluate change in use of adjuvants to mechanical ventilation for ARF (2008-2013), the impact of landmark publications on adoption and de-adoption, and factors associated with use. METHODS: Changes in use of four adjuvants for ARF from 2008-2013, the impact of landmark publications on use, and factors associated with use were evaluated using the Premier Database...
October 13, 2016: Annals of the American Thoracic Society
D Lee Taylor, William A Walters, Niall J Lennon, James Bochicchio, Andrew Krohn, J Gregory Caporaso, Taina Pennanen
: While high-throughput-sequencing methods are revolutionizing fungal ecology, recovering accurate estimates of species richness and abundance has proven elusive. We sought to design ITS primers and an Illumina protocol that would maximize coverage of the kingdom Fungi while minimizing non-target eukaryotes. We inspected alignments of the 5.8S and LSU ribosomal genes and evaluated potential primers using PrimerProspector. We tested the resulting primers using tiered-abundance mock communities and five previously characterized soil samples...
October 7, 2016: Applied and Environmental Microbiology
Michael A Terzidis, Andreea Prisecaru, Zara Molphy, Niall Barron, Antonio Randazzo, Elise Dumont, Marios G Krokidis, Andrew Kellett, Chryssostomos Chatgilialoglu
Herein we report the quantification of purine lesions arising from gamma-radiation sourced hydroxyl radicals (HO(•)) on tertiary dsDNA helical forms of supercoiled (SC), open circular (OC) and linear (L) conformation, along with single-stranded folded and non-folded sequences of guanine rich DNA in selected G-quadruplex structures. We identify that DNA helical topology and folding plays major, and unexpected, roles in the formation of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxo-dG) and 8-oxo-7,8-dihydro-2'-deoxyadenosine (8-oxo-dA), along with tandem-type purine lesions 5',8-cyclo-2'-deoxyguanosine (5',8-cdG) and 5',8-cyclo-2'-deoxyadenosine (5',8-cdA)...
October 13, 2016: Free Radical Research
Srinivas Suda, Des Field, Niall Barron
Antimicrobial peptides (AMPs) are natural defense compounds which are synthesized as ribosomal gene-encoded pre-peptides and produced by all living organisms. AMPs are small peptides, usually cationic and typically have hydrophobic residues which interact with cell membranes and have either a narrow or broad spectrum of biological activity. AMPs are isolated from the natural host or heterologously expressed in other hosts such as Escherichia coli. The proto-typical lantibiotic Nisin is a widely used AMP that is produced by the food-grade organism Lactococcus lactis...
2017: Methods in Molecular Biology
Grant Wilson, Martin Trusler, Joseph Yao, Jet-Sing M Lee, Richard Graham, Niall Mac Dowell, Rosa Cuellar-Franca, George Dowson, Paul Fennell, Peter Styring, Jon Gibbins, Marco Mazzotti, Stefano Brandani, Christoph Müller, Ross Hubble
No abstract text is available yet for this article.
October 20, 2016: Faraday Discussions
Jet-Sing M Lee, Gary Rochelle, Peter Styring, Paul Fennell, Grant Wilson, Martin Trusler, Peter Clough, John Blamey, Matthew Dunstan, Niall MacDowell, Stephen Lyth, Joseph Yao, Thomas Hills, Matteo Gazzani, Patrick Brandl, Rahul Anantharaman, Stefano Brandani, Joshuah Stolaroff, Marco Mazzotti, Geoffrey Maitland, Christoph Müller, George Dowson, Jon Gibbins, Raffaella Ocone, Kyra Sedransk Campbell, María Erans, Liya Zheng, Daniel Sutter, Andac Armutlulu, Berend Smit
No abstract text is available yet for this article.
October 20, 2016: Faraday Discussions
Berend Smit, Richard Graham, Peter Styring, Joseph Yao, Peter Clough, Jet-Sing M Lee, Niall MacDowell, Stephen Lyth, Gary Rochelle, Thomas Hills, Grant Wilson, Camille Petit, Jasmin Kemper, Rosa Cuellar-Franca, George Dowson, Matteo Gazzani, Paul Fennell, Daniel Sutter, Colin Scholes, Adisa Azapagic, Robert Bell, Jon Gibbins, Marco Mazzotti, Geoffrey Maitland, Stefano Brandani, Raffaella Ocone, Mayte Mota-Martinez, Matthew Dunstan, Peiting Liang, Rahul Anantharaman, Lisa Joss, Joshuah Stolaroff
No abstract text is available yet for this article.
October 20, 2016: Faraday Discussions
Gang-Wei Wang, Niall G McCreanor, Megan H Shaw, William G Whittingham, John F Bower
Under carbonylative conditions, neutral Rh(I)-systems modified with weak donor ligands (AsPh3 or 1,4-oxathiane) undergo N-Cbz, N-benzoyl, or N-Ts directed insertion into the proximal C-C bond of aminomethylcyclopropanes to generate rhodacyclopentanone intermediates. These are trapped by N-tethered alkenes to provide complex perhydroisoindoles.
October 6, 2016: Journal of the American Chemical Society
Niall D Ferguson
No abstract text is available yet for this article.
October 5, 2016: JAMA: the Journal of the American Medical Association
Harish Bangalore, Emma Borrows, Niall Martin
No abstract text is available yet for this article.
October 2016: Pediatric Critical Care Medicine
John Hargraves, Niall Brennan
Between 2007 and 2015, Medicare hospice spending rose by 52 percent, from $10.4 billion to $15.8 billion. The rise was driven primarily by an increase in the number of patients in hospice care. Medicare spending on hospice care was $642 million, or 4.2 percent, higher in 2015 than it was in 2014. Spending and spending growth varied by geographic region and diagnosis.
October 1, 2016: Health Affairs
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