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https://www.readbyqxmd.com/read/28449529/do-hospitals-need-oncological-critical-care-units
#1
EDITORIAL
Abby Koch, William Checkley
Since the inception of critical care as a formal discipline in the late 1950s, we have seen rapid specialization to many types of intensive care units (ICUs) to accommodate evolving life support technologies and novel therapies in various disciplines of medicine. Indeed, the field has expanded such that specialized ICUs currently exist to address critical care problems in medicine, cardiology, neurology and neurosurgery, trauma, burns, organ transplant and cardiothoracic surgeries. Specialization does not only need new infrastructure, but also training and staffing of health care providers, ancillary staff, and development and implementation of processes of care...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449123/capturing-a-mammalian-dna-polymerase-extending-from-an-oxidized-nucleotide
#2
Amy M Whitaker, Mallory R Smith, Matthew A Schaich, Bret D Freudenthal
The oxidized nucleotide, 8-oxo-7,8-dihydro-2΄-deoxyguanosine (8-oxoG), is one of the most abundant DNA lesions. 8-oxoG plays a major role in tumorigenesis and human disease. Biological consequences of 8-oxoG are mediated in part by its insertion into the genome, making it essential to understand how DNA polymerases handle 8-oxoG. Insertion of 8-oxoG is mutagenic when opposite adenine but not when opposite cytosine. However, either result leads to DNA damage at the primer terminus (3΄-end) during the succeeding insertion event...
April 26, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28449031/rnablueprint-flexible-multiple-target-nucleic-acid-sequence-design
#3
Stefan Hammer, Birgit Tschiatschek, Christoph Flamm, Ivo L Hofacker, Sven Findeiß
Motivation: Realizing the value of synthetic biology in biotechnology and medicine requires the design of molecules with specialized functions. Due to its close structure to function relationship, and the availability of good structure prediction methods and energy models, RNA is perfectly suited to be synthetically engineered with predefined properties. However, currently available RNA design tools cannot be easily adapted to accommodate new design specifications. Furthermore, complicated sampling and optimization methods are often developed to suit a specific RNA design goal, adding to their inflexibility...
April 25, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28448698/characteristics-and-risk-factors-for-suicide-and-deaths-among-college-students-a-23-year-serial-prevalence-study-of-data-from-8-2-million-japanese-college-students
#4
Chiyoko Uchida, Mai Uchida
OBJECTIVE: Suicide is a leading cause of death for college students. The aim of this study was to identify risk factors of suicide among college students that could improve university services to help prevent college suicide. METHODS: We conducted a 23-year serial prevalence study of the prevalence and characteristics of death and suicide among 8,262,314 Japanese college students. We analyzed rates of suicide from the 1989 to 1990 academic year through the 2011-2012 academic year and characterized suicide among this population, focusing on students' sex and psychiatric and academic backgrounds to identify risk factors for suicide...
April 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28448488/the-potential-economic-burden-of-zika-in-the-continental-united-states
#5
Bruce Y Lee, Jorge A Alfaro-Murillo, Alyssa S Parpia, Lindsey Asti, Patrick T Wedlock, Peter J Hotez, Alison P Galvani
BACKGROUND: As the Zika virus epidemic continues to spread internationally, countries such as the United States must determine how much to invest in prevention, control, and response. Fundamental to these decisions is quantifying the potential economic burden of Zika under different scenarios. METHODOLOGY/PRINCIPLE FINDINGS: To inform such decision making, our team developed a computational model to forecast the potential economic burden of Zika across six states in the US (Alabama, Florida, Georgia, Louisiana, Mississippi, and Texas) which are at greatest risk of Zika emergence, under a wide range of attack rates, scenarios and circumstances...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28447823/the-promise-of-demand-side-employer-based-strategies-to-increase-employment-rates-for-people-living-with-serious-mental-illnesses
#6
Jonathan Delman, Lynn Kovich, Sara Burke, Kevin Martone
OBJECTIVE: This article describes current and promising demand-side strategies to increase job retention and employment rates of people living with serious mental illnesses. The article raises awareness of the potential impact of demand side strategies and generates considerations to implement and evaluate these strategies. METHOD: Information is drawn from peer reviewed research, policy articles and documents, and the authors' direct experiences. RESULTS: Employees with serious mental illnesses struggle to retain jobs due to workplace stigma, difficulty accessing reasonable accommodations, and noneligibility for health benefits...
April 27, 2017: Psychiatric Rehabilitation Journal
https://www.readbyqxmd.com/read/28445172/telehealth-intensive-care-unit-nurse-surveillance-of-sepsis
#7
Teresa A Rincon, E LaVerne Manos, Janet D Pierce
The purpose of this article is to describe the usability and human factors engineering standards used in development of a sepsis alert known as the sepsis prompt. Sensory processing, cognitive processing, signal detection, criterion response, and user satisfaction were evaluated with controlled user testing and critical incident response techniques. Nurses reported that the sepsis prompt was visible and distinct, making it easily detectable. The prompt provided a clear response mechanism and adequately balanced the number of false alerts with the likelihood of misses...
April 25, 2017: Computers, Informatics, Nursing: CIN
https://www.readbyqxmd.com/read/28445131/therapeutic-benefit-of-salmonella-attributed-to-lps-and-tnf-%C3%AE-is-exhaustible-and-dictated-by-tumor-susceptibility
#8
Dino Kocijancic, Sara Leschner, Sebastian Felgner, Ronja-Melinda Komoll, Michael Frahm, Vinay Pawar, Siegfried Weiss
The potential of bacteria-mediated tumor therapy (BMTT) is highlighted by more than a century of investigation. Attenuated Salmonella has prevailed as promising therapeutic agents. For BMTT - categorized as an immune therapy - the exact contribution of particular immune reactions to the therapeutic effect remains ambiguous. In addition, one could argue for or against the requirement of bacterial viability and tumor targeting. Herein we evaluate the isolated therapeutic efficacy of purified LPS and TNF-α, which together account for a dominant immunogenic pathway of gram negative bacteria like Salmonella...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444798/multi-gel-casting-apparatus-for-vertical-polyacrylamide-gels-with-in-built-solution-flow-system-and-liquid-level-detectors
#9
Praveen Maurye, Arpita Basu, Tapas Kumar Bandyopadhyay, Jayanta Kumar Biswas, Bimal Prasana Mohanty
Polyacrylamide gel electrophoresis (PAGE) is the most widely used technique for the separation and biochemical analysis of biomolecules. The ever growing field of proteomics and genomics necessitates the analysis of many proteins and nucleic acid samples to understand further about the structure and function of cells. Simultaneous analysis of multiple protein samples often requires casting of many PAGE gels. Several variants of multi-gel casting/electrophoresis apparatuses are frequently used in research laboratories...
April 26, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28443668/tungsten-vi-copper-i-sulfur-cluster-supported-metal-organic-frameworks-bridged-by-in-situ-click-formed-tetrazolate-ligands
#10
Qiu-Fang Chen, Xin Zhao, Quan Liu, Ji-Dong Jia, Xiao-Ting Qiu, Ying-Lin Song, David James Young, Wen-Hua Zhang, Jian-Ping Lang
Six analogous two-dimensional (2D) [Tp*WS3Cu3]-based (Tp* = hydridotris(3,5-dimethylpyrazol-1-yl)borate) networks, namely, {[(Tp*WS3Cu3)2L3](μ3-N3)}n (2: L = 5-methyltetrazolate (Mtta); 3a: L = 5-ethyltetrazolate (Etta)) and {[(Tp*WS3Cu3)2L3]BF4}n (3b: L = Etta; 4: L = 5-propyltetrazolate (Ptta); 5: L = 5-butyltetrazolate (Btta); 6: L = 5-pentyltetrazolate (Petta)) were synthesized by reactions of [Et4N][Tp*WS3] (1), [Cu(CH3CN)4]BF4, NaN3, and NH4BF4 in different nitrile solvents (CH3(CH2)nCN, n = 0, 1, 2, 3, and 4) under solvothermal conditions...
April 26, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28443330/mechanisms-by-which-salt-concentration-moderates-the-dynamics-of-human-serum-transferrin
#11
Haleh Abdizadeh, Ali Rana Atilgan, Canan Atilgan
The dynamical and thermodynamic behavior of human transferrin (hTf) protein in saline aqueous solution of various concentrations is studied. hTf is an essential transport protein circulating iron in the blood and delivering it to tissues. It displays highly pH dependent cooperativity between the two lobes each carrying an iron, and forms a tight complex with the receptor during endocytosis, eventually recycled to the serum after iron release. Molecular dynamics simulations are used to investigate the effects of the amount of salt on protein conformation and dynamics to analyze the structure-function relationship in free hTf at serum pH...
April 26, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28442750/hepatitis-a-virus-infections-and-outbreaks-in-asylum-seekers-arriving-to-germany-september-2015-to-march-2016
#12
Kai Michaelis, Jürgen J Wenzel, Klaus Stark, Mirko Faber
From September 2015 to March 2016, hepatitis A notifications in Germany increased by 45% to 699 cases compared to 482 cases in the same period of the previous year. Children aged five to nine years were predominantly affected (22% of all cases in this period). We hypothesized that this increase could be explained by the marked influx of asylum seekers in this time period. We analysed national surveillance data and estimated the number of imported and autochthonous hepatitis A cases in asylum seekers. We also investigated molecular signatures of hepatitis A viruses sampled from asylum seekers to identify chains of transmission...
April 26, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28442192/structural-insights-into-the-mechanism-of-scanning-and-start-codon-recognition-in-eukaryotic-translation-initiation
#13
REVIEW
Alan G Hinnebusch
Initiation of translation on eukaryotic mRNAs generally follows the scanning mechanism, wherein a preinitiation complex (PIC) assembled on the small (40S) ribosomal subunit and containing initiator methionyl tRNAi (Met-tRNAi) scans the mRNA leader for an AUG codon. In a current model, the scanning PIC adopts an open conformation and rearranges to a closed state, with fully accommodated Met-tRNAi, upon AUG recognition. Evidence from recent high-resolution structures of PICs assembled with different ligands supports this model and illuminates the molecular functions of eukaryotic initiation factors eIF1, eIF1A, and eIF2 in restricting to AUG codons the transition to the closed conformation...
April 22, 2017: Trends in Biochemical Sciences
https://www.readbyqxmd.com/read/28442175/reframing-continence-care-in-care-dependence
#14
Joan Ostaszkiewicz
International guidelines promote active investigation and treatment of incontinence; however, these guidelines do not fully accommodate the psychosocial aspects associated with providing continence care i.e. the caregiving dynamics. The author developed a new framework that aims to support nurses and care workers in their efforts to identify and meet the continence care needs of individuals with complex health conditions who are dependent on another person for assistance to manage incontinence or to maintain continence...
April 23, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28441595/modelling-drivers-and-distribution-of-lead-and-zinc-concentrations-in-soils-of-an-urban-catchment-sydney-estuary-australia
#15
L E Johnson, T F A Bishop, G F Birch
The human population is increasing globally and land use is changing to accommodate for this growth. Soils within urban areas require closer attention as the higher population density increases the chance of human exposure to urban contaminants. One such example of an urban area undergoing an increase in population density is Sydney, Australia. The city also possesses a notable history of intense industrial activity. By integrating multiple soil surveys and covariates into a linear mixed model, it was possible to determine the main drivers and map the distribution of lead and zinc concentrations within the Sydney estuary catchment...
April 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28441541/molecular-interaction-of-2-4-diacetylphloroglucinol-dapg-with-human-serum-albumin-hsa-the-spectroscopic-calorimetric-and-computational-investigation
#16
Pragna Lakshmi T, Moumita Mondal, Krishna Ramadas, Sakthivel Natarajan
Drug molecule interaction with human serum albumin (HSA) affects the distribution and elimination of the drug. The compound, 2,4-diacetylphloroglucinol (DAPG) has been known for its antimicrobial, antiviral, antihelminthic and anticancer properties. However, its interaction with HSA is not yet reported. In this study, the interaction between HSA and DAPG was investigated through steady-state fluorescence, time-resolved fluorescence (TRF), circular dichroism (CD), Fourier transform infrared (FT-IR) spectroscopy, isothermal titration calorimetry (ITC), molecular docking and molecular dynamics simulation (MDS)...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441014/chemistry-inspired-adaptable-framework-structures
#17
Zhiguo Xia, Kenneth R Poeppelmeier
Adaptable crystalline frameworks are important in modern solid-state chemistry as they are able to accommodate a wide range of elements, oxidation states, and stoichiometries. Owing to this ability, such adaptable framework structures are emerging as the prototypes for technologically important advanced functional materials. In this Account, the idea of cosubstitution is explored as a useful "pairing" concept that can potentially lead to the creation of many new members of one particular framework structure...
April 25, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28440829/ruthenium-ii-catalyzed-ortho-c-h-arylation-of-diverse-n-heterocycles-with-aryl-silanes-by-exploiting-solvent-controlled-n-coordination
#18
Pradeep Nareddy, Frank Jordan, Michal Szostak
We report the first method for the direct, regioselective Ru(ii)-catalyzed oxidative arylation of C-H bonds in diverse N-heterocycles with aryl silanes by exploiting solvent-controlled N-coordination. The reaction takes advantage of the attractive features of organosilanes as coupling partners, providing proof of concept for N-directed Ru(ii)-catalyzed C-H arylation. This novel, operationally-simple and versatile protocol utilizes the Ru(ii)/CuF2 reagent system in which CuF2 serves as a dual activator/oxidant in non-coordinating solvents to accommodate for ligand N-coordination...
April 25, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28440251/accommodative-amplitude-using-the-minus-lens-at-different-near-distances
#19
Hamed Momeni-Moghaddam, Jason S Ng, Bruno Mario Cesana, Abbas Ali Yekta, Mohammad Reza Sedaghat
PURPOSE: The purpose of this study was to compare the mean findings and the repeatability of the minus lens (ML) amplitude of accommodation (AA) at 33 cm and 40 cm. MATERIALS AND METHODS: AA was measured from the dominant eye of 120 fully corrected subjects using the ML procedure when viewing the target at both 33 and 40 cm. Each measurement was repeated between 24 and 48 hours after the first trial. RESULTS: Mean AA when tested at 33 cm and 40 cm was 10...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439975/scleral-changes-with-accommodation
#20
Alejandra Consejo, Hema Radhakrishnan, D Robert Iskander
PURPOSE: To assess whether the sclera changes its shape during accommodation, quantify those changes and ascertain whether they depend on age and refractive power. METHODS: Twenty-two subjects, aged between 19 and 84 years old were recruited for the study. Young subjects were grouped according to their refractive power as emmetropes (seven subjects) and myopes (seven subjects). Data were obtained with a height corneo-scleral topographer (Eye Surface Profiler) with coverage area far beyond the limbus...
May 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
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