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https://www.readbyqxmd.com/read/27933754/tandem-thorpe-reaction-palladium-catalyzed-asymmetric-allylic-alkylation-access-to-chiral-%C3%AE-enaminonitriles-with-excellent-enantioselectivity
#1
Xue Long Hou, Da-Chang Bai, Xiu-Yan Liu, Hao Li, Chang-Hua Ding
A new type of nucleophile, 3-imino nitrile carbanion generated in-situ by Thorpe reaction of acetonitrile with base, was developed successfully and applied in Pd-catalyzed asymmetric allylic alkylation with mono substituted allyl reagents under Pd/SIOCPhox catalysis, affording β-enaminonitrile products in high yields with excellent regio- and enantioselectivities.
December 8, 2016: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/27933711/using-a-co-production-prioritization-exercise-involving-south-asian-children-young-people-and-their-families-to-identify-health-priorities-requiring-further-research-and-public-awareness
#2
Logan Manikam, Rakhee Shah, Kate Reed, Gupreet Santini, Monica Lakhanpaul
OBJECTIVES: To facilitate South Asian (SA) families and health-care professionals (HCPs) participation in a prioritization exercise to co-produce child health research and public awareness agendas. DESIGN: A three-stage process was adopted involving the following: (i) systematic literature review, (ii) HCP scoping survey and (iii) focus groups of SA adolescents and families. A Punjabi- and Urdu-speaking community facilitator moderated focus groups. A British Sign Language interpreter assisted in the hard of hearing group...
December 8, 2016: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/27933681/evaluating-a-primary-care-psychology-service-in-ireland-a-survey-of-stakeholders-and-psychologists
#3
Mark Corcoran, Michael Byrne
Primary care psychology services (PCPS) represent an important resource in meeting the various health needs of our communities. This study evaluated the PCPS in a two-county area within the Republic of Ireland. The objectives were to (i) examine the viewpoints of the service for both psychologists and stakeholders (healthcare professionals only) and (ii) examine the enactment of the stepped care model of service provision. Separate surveys were sent to primary care psychologists (n = 8), general practitioners (GPs; n = 69) and other stakeholders in the two counties...
December 8, 2016: Health & Social Care in the Community
https://www.readbyqxmd.com/read/27933647/whole-woman-s-health-v-hellerstedt-and-the-current-implications-for-abortion-access
#4
Y Tony Yang, Katy B Kozhimannil
No abstract text is available yet for this article.
December 9, 2016: Birth
https://www.readbyqxmd.com/read/27933616/efficacy-of-preoperative-ibuprofen-and-meloxicam-on-the-success-rate-of-inferior-alveolar-nerve-block-for-teeth-with-irreversible-pulpitis
#5
Yazdan Shantiaee, Sahar Javaheri, Amir Movahhedian, Sarah Eslami, Omid Dianat
OBJECTIVE: The purpose of this study was to determine whether premedication with ibuprofen or meloxicam increases the success rate of anaesthesia in teeth with irreversible pulpitis. MATERIALS AND METHODS: In this parallel, double-blind clinical trial, 92 patients diagnosed with irreversible pulpitis were randomly divided into four groups of 23 patients. The first group (the no-premedication group) received no premedication, the second group (the meloxicam group) received 7...
December 8, 2016: International Dental Journal
https://www.readbyqxmd.com/read/27933602/fish-tales-the-use-of-zebrafish-xenograft-human-cancer-cell-models
#6
REVIEW
Yvette Drabsch, B Ewa Snaar-Jagalska, Peter Ten Dijke
Advances in scientific techniques have provided researchers with exceptional new opportunities to identify and monitor changes between different cancer types, during different stages of progression, between individual tumor cells and in the surrounding stroma. The wealth of information that can be obtained from new scientific techniques places additional requirements on the conventional cancer models. New models that could be used to rapidly access the (potential) functional importance of newly identified (epi)genetic and proteomic changes and test the efficacy on emerging (combinatorial) therapies are desperately required...
December 9, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27933554/use-of-anticoagulant-rodenticides-by-pest-management-professionals-in-massachusetts-usa
#7
Kristin Memmott, Maureen Murray, Allen Rutberg
Secondary exposure to chemical rodenticides, specifically second-generation anticoagulant rodenticides (SGARs), poses a threat to non-target wildlife including birds of prey. Federal regulations in the United States currently limit homeowner access to SGARs as a way of minimizing this threat. With legal access to SGARs, pest management professionals (PMPs) represent a potential linkage to non-target exposure. There is limited research focused on rodent control practices, chemical rodenticide preferences, level of concern and awareness, or opinions on rodenticide regulations as they relate to PMPs...
December 8, 2016: Ecotoxicology
https://www.readbyqxmd.com/read/27933524/a-suite-of-tools-for-biologists-that-improve-accessibility-and-visualization-of-large-systems-genetics-datasets-applications-to-the-hybrid-mouse-diversity-panel
#8
Christoph D Rau, Mete Civelek, Calvin Pan, Aldons J Lusis
In this chapter we address the recent explosion in large multilevel population studies such as the METSIM study in humans as well as large panels of animal models such as the Hybrid Mouse Diversity Panel or the BXD set of recombinant inbred strains. These studies have harnessed the increasing affordability of large-scale high-throughput profiling to gather massive quantities of data. These datasets, spread across different -omics levels (genome, transcriptome, etc.), different tissues (e.g. heart, plasma, bone) and different environmental factors (e...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933488/effects-of-economic-recession-on-elderly-patients-perceptions-of-access-to-health-care-and-medicines-in-portugal
#9
Filipa Alves da Costa, Inês Teixeira, Filipa Duarte-Ramos, Luís Proença, Ana Rita Pedro, Cristina Furtado, José Aranda da Silva, José Cabrita
Background In view of the current financial and demographic situation in Portugal, accessibility to health care may be affected, including the ability to adhere to medication. Objective To evaluate the perceived effects of the crisis on elderly patient's access to medicines and medical care, and its implications on medicine-taking behaviour. Setting Community pharmacy. Method A cross-sectional study was undertaken during April 2013, where elderly patients answered a self-administered questionnaire based on their health-related experiences in the current and previous year...
December 9, 2016: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/27933430/structural-dynamics-of-nucleosome-mediated-by-acetylations-at-h3k56-and-h3k115-122
#10
Muthukumaran Rajagopalan, Sangeetha Balasubramanian, Ilya Ioshikhes, Amutha Ramaswamy
Post translational modifications have a profound role in the regulation of several biological processes such as transcription, replication, and DNA repair. Acetylation and phosphorylation form a major class of post translational modifications involved in nucleosomal regulation by modifying its structure. The effect of post translational modifications on nucleosome structure could be better explored when the molecular trajectories explaining the time dependent structural evolution over a period of time is examined at the atomic level...
December 8, 2016: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/27933383/the-burden-of-rotator-cuff-surgery-in-italy-a-nationwide-registry-study
#11
Umile Giuseppe Longo, Giuseppe Salvatore, Giacomo Rizzello, Alessandra Berton, Mauro Ciuffreda, Vincenzo Candela, Vincenzo Denaro
PURPOSE: This study aimed to estimate the yearly number of RC surgeries in Italy, a country with universal access to healthcare for its population, from 2001 to 2014, based on official information source as hospitalization records. A secondary aim was to explore geographical variation in equity in access to RC surgery between three macroregions of Italy (North, Center and South). A tertiary aim was to perform statistical projections of the number of RC procedure volumes and rates on the basis of data from 2001 to 2014...
December 8, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27933375/a-novel-method-of-adrenal-venous-sampling-via-an-antecubital-approach
#12
Xiongjing Jiang, Hui Dong, Meng Peng, Wuqiang Che, Yubao Zou, Lei Song, Huimin Zhang, Haiying Wu
PURPOSE: Currently, almost all adrenal venous sampling (AVS) procedures are performed by femoral vein access. The purpose of this study was to establish the technique of AVS via an antecubital approach and evaluate its safety and feasibility. MATERIALS AND METHODS: From January 2012 to June 2015, 194 consecutive patients diagnosed as primary aldosteronism underwent AVS via an antecubital approach without ACTH simulation. Catheters used for bilateral adrenal cannulations were recorded...
December 8, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27933269/blas3-optimization-for-the-godson-3b1500
#13
Ming Zhang, Naijie Gu, Kaixin Ren
This paper proposes a performance model for general matrix multiplication (GEMM) on decoupled access/execute (DAE) architecture platforms, in order to guide improvements of the GEMM performance in the Godson-3B1500. This model focuses on the features of access processors (APs) and execute processors (EPs). To reduce the synchronization overhead between APs and EPs, a synchronization module selection mechanism (SMSM) is presented. Furthermore, two optimized algorithms of GEMM for DAE platforms based on the performance model are proposed for ideal performance...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933247/fault-tolerance-in-computational-grids-perspectives-challenges-and-issues
#14
REVIEW
Sajjad Haider, Babar Nazir
Computational grids are established with the intention of providing shared access to hardware and software based resources with special reference to increased computational capabilities. Fault tolerance is one of the most important issues faced by the computational grids. The main contribution of this survey is the creation of an extended classification of problems that incur in the computational grid environments. The proposed classification will help researchers, developers, and maintainers of grids to understand the types of issues to be anticipated...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933235/thailand-s-universal-coverage-scheme-and-its-impact-on-health-seeking-behavior
#15
Seung Chun Paek, Natthani Meemon, Thomas T H Wan
BACKGROUND: Thailand's Universal Coverage Scheme (UCS) has improved healthcare access and utilization since its initial introduction in 2002. However, a substantial proportion of beneficiaries has utilized care outside the UCS boundaries. Because low utilization may be an indication of a policy gap between people's health needs and the services available to them, we investigated the patterns of health-seeking behavior and their social/contextual determinants among UCS beneficiaries in the year 2013...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933150/implementing-mobile-devices-to-reduce-non-rostered-workload-for-junior-doctors
#16
Allan Plant, Suzanne Round, Joe Bourne
There is a large body of evidence demonstrating the detrimental effect of long work hours on the performance, mood, and job satisfaction of junior doctors. By extension these effects carry over into the realm of patient safety, compromising the quality of care provision. House officers in the general surgery department of Tauranga Hospital, New Zealand are often required to arrive at work well before their rostered start time of 7.30am to hand write the results of clinical investigations on their patient lists...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27933103/programmatic-conversion-of-crystal-structures-into-3d-printable-files-using-jmol
#17
Vincent F Scalfani, Antony J Williams, Valery Tkachenko, Karen Karapetyan, Alexey Pshenichnov, Robert M Hanson, Jahred M Liddie, Jason E Bara
BACKGROUND: Three-dimensional (3D) printed crystal structures are useful for chemistry teaching and research. Current manual methods of converting crystal structures into 3D printable files are time-consuming and tedious. To overcome this limitation, we developed a programmatic method that allows for facile conversion of thousands of crystal structures directly into 3D printable files. RESULTS: A collection of over 30,000 crystal structures in crystallographic information file (CIF) format from the Crystallography Open Database (COD) were programmatically converted into 3D printable files (VRML format) using Jmol scripting...
2016: Journal of Cheminformatics
https://www.readbyqxmd.com/read/27933069/accumulation-and-secretion-of-coumarinolignans-and-other-coumarins-in-arabidopsis-thaliana-roots-in-response-to-iron-deficiency-at-high-ph
#18
Patricia Sisó-Terraza, Adrián Luis-Villarroya, Pierre Fourcroy, Jean-François Briat, Anunciación Abadía, Frédéric Gaymard, Javier Abadía, Ana Álvarez-Fernández
Root secretion of coumarin-phenolic type compounds has been recently shown to be related to Arabidopsis thaliana tolerance to Fe deficiency at high pH. Previous studies revealed the identity of a few simple coumarins occurring in roots and exudates of Fe-deficient A. thaliana plants, and left open the possible existence of other unknown phenolics. We used HPLC-UV/VIS/ESI-MS(TOF), HPLC/ESI-MS(ion trap) and HPLC/ESI-MS(Q-TOF) to characterize (identify and quantify) phenolic-type compounds accumulated in roots or secreted into the nutrient solution of A...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933042/the-role-of-stress-and-stress-adaptations-in-determining-the-fate-of-the-bacterial-pathogen-listeria-monocytogenes-in-the-food-chain
#19
REVIEW
Kerrie NicAogáin, Conor P O'Byrne
The foodborne pathogen Listeria monocytogenes is a highly adaptable organism that can persist in a wide range of environmental and food-related niches. The consumption of contaminated ready-to-eat foods can cause infections, termed listeriosis, in vulnerable humans, particularly those with weakened immune systems. Although these infections are comparatively rare they are associated with high mortality rates and therefore this pathogen has a significant impact on food safety. L. monocytogenes can adapt to and survive a wide range of stress conditions including low pH, low water activity, and low temperature, which makes it problematic for food producers who rely on these stresses for preservation...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27933008/healthcare-needs-experiences-and-satisfaction-after-terrorism-a-longitudinal-study-of-survivors-from-the-ut%C3%A3-ya-attack
#20
Lise E Stene, Tore Wentzel-Larsen, Grete Dyb
Background: Public health outreach programs have been developed in order to ensure that needs are met after disasters. However, little is known about survivors' experiences with post-terror healthcare. In the present study, our objectives were to (1) describe survivors' experiences with post-terror healthcare, (2) identify factors associated with reports of unmet healthcare needs, and (3) examine the relationship between socio-demographic characteristics, healthcare experiences and satisfaction. Methods: Our study comprised three waves of semi-structured interviews with 261/490 (53%) survivors of the Utøya mass shooting...
2016: Frontiers in Psychology
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