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https://www.readbyqxmd.com/read/28092800/effect-of-venepuncture-process-design-on-efficiency-and-failure-rates-a-simulation-model-study-for-secondary-care
#1
Sean Reed, Rasa Remenyte-Prescott, Ben Rees
BACKGROUND: Healthcare aims to deliver good patient outcomes. For many clinical procedures there are multiple alternative task sequences that can be performed. These deviations can influence procedure reliability, efficiency of usage of hospital resources and risk to staff and patient safety. Venepuncture is one of the most common invasive procedures in healthcare. Literature of clinical practice shows evidence of wide variability in the procedure order and the duration of each step, which can depend on attributes, such as patient health, sampling method and staff skills...
December 29, 2016: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28092787/perfect-1-jch-resolved-hsqc-efficient-measurement-of-one-bond-proton-carbon-coupling-constants-along-the-indirect-dimension
#2
N Marcó, A A Souza, P Nolis, R R Gil, T Parella
A versatile (1)JCH-resolved HSQC pulse scheme for the speedy, accurate and automated determination of one-bond proton-carbon coupling constants is reported. The implementation of a perfectBIRD element allows a straightforward measurement from the clean doublets obtained along the highly resolved F1 dimension, even for each individual (1)JCHa and (1)JCHb in diastereotopic HaCHb methylene groups. Real-time homodecoupling during acquisition and other alternatives to minimize accidental signal overlapping in overcrowded spectra are also discussed...
January 3, 2017: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/28092785/integrated-ssfp-for-functional-brain-mapping-at-7t-with-reduced-susceptibility-artifact
#3
Kaibao Sun, Rong Xue, Peng Zhang, Zhentao Zuo, Zhongwei Chen, Bo Wang, Thomas Martin, Yi Wang, Lin Chen, Sheng He, Danny J J Wang
Balanced steady-state free precession (bSSFP) offers an alternative and potentially important tool to the standard gradient-echo echo-planar imaging (GE-EPI) for functional MRI (fMRI). Both passband and transition band based bSSFP have been proposed for fMRI. The applications of these methods, however, are limited by banding artifacts due to the sensitivity of bSSFP signal to off-resonance effects. In this article, a unique case of the SSFP-FID sequence, termed integrated-SSFP or iSSFP, was proposed to overcome the obstacle by compressing the SSFP profile into the width of a single voxel...
December 30, 2016: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/28092755/coagulation-flocculation-sequential-with-fenton-or-photo-fenton-processes-as-an-alternative-for-the-industrial-textile-wastewater-treatment
#4
Edison GilPavas, Izabela Dobrosz-Gómez, Miguel Ángel Gómez-García
In this study, the industrial textile wastewater was treated using a chemical-based technique (coagulation-flocculation, C-F) sequential with an advanced oxidation process (AOP: Fenton or Photo-Fenton). During the C-F, Al2(SO4)3 was used as coagulant and its optimal dose was determined using the jar test. The following operational conditions of C-F, maximizing the organic matter removal, were determined: 700 mg/L of Al2(SO4)3 at pH = 9.96. Thus, the C-F allowed to remove 98% of turbidity, 48% of Chemical Oxygen Demand (COD), and let to increase in the BOD5/COD ratio from 0...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28092721/use-of-maldi-tof-mass-spectrometry-in-the-battle-against-bacterial-infectious-diseases-recent-achievements-and-future-perspectives
#5
Vassilios Sandalakis, Ioannis Goniotakis, Iosif Vranakis, Dimosthenis Chochlakis, Anna Psaroulaki
Advancements in microbial identification occur increasingly faster as more laboratories explore, refine and extend the use of mass spectrometry in the field of microbiology. Areas covered: This review covers the latest knowledge found in the literature for quick identification of various classes of bacterial pathogens known to cause human infection by the use of MALDI-TOF MS technology. Except for identification of bacterial strains, more researchers try to "battle time" in favor of the patient. These novel approaches to identify bacteria directly from clinical samples and even determine antibiotic resistance are extensively revised and discussed...
January 16, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28092717/the-culture-war-modern-economics-and-environmental-education-in-the-united-states
#6
Eugene C Hargrove
Teaching ethics in public schools in the United States has been made almost impossible because of the Culture War and Modern Economics. When Catholics began to migrate to the United States in the early nineteenth century, they found that Protestant religion and ethics were taught in public schools and they created their own parochial schools. This controversy has continued for two hundred years. To encourage the Catholics to send their children to the public schools, by 1860 religion and ethics had been removed from the public schools...
September 2016: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
https://www.readbyqxmd.com/read/28092710/-sobre-la-no-responsabilidad-de-la-tecnociencia-en-los-problemas-ambientales-y-la-b%C3%A3%C2%BAsqueda-de-pol%C3%A3-tica
#7
Jorge Martínez Barrera
In this paper I propose to reflect upon modern configuration of technique, i.e., technoscience, and our responsibility towards environmental management. I show that the technological products of our world imply a certain attitude of aggression towards nature, contrasting with the attitude of protection from her, which was peculiar of the pre-technological world. Finally I suggest recovering the classical notion of politics as a possible alternative for controlling techno-scientific imperatives.
September 2016: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
https://www.readbyqxmd.com/read/28092632/the-tilt-dependent-potential-of-mean-force-of-a-pair-of-dna-oligomers-from-all-atom-molecular-dynamics-simulations
#8
Ruggero Cortini, Xiaolin Cheng, Jeremy C Smith
Electrostatic interactions between DNA molecules have been extensively studied experimentally and theoretically, but several aspects (e.g. its role in determining the pitch of the cholesteric DNA phase) still remain unclear. Here, we performed large-scale all-atom molecular dynamics simulations in explicit water and 150 mM sodium chloride, to reconstruct the potential of mean force (PMF) of two DNA oligomers 24 base pairs long as a function of their interaxial angle and intermolecular distance. We find that the potential of mean force is dominated by total DNA charge, and not by the helical geometry of its charged groups...
January 16, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28092617/supplementation-of-pigs-diet-with-zinc-and-copper-as-alternative-to-conventional-antimicrobials
#9
B Dębski
Modern commercial pig farming systems inflict increased stress in animals, which often leads to various negative changes in the gastro-intestinal tract, especially in the case of piglets. Ban of antibiotics, used as growth promoters, has caused a need for alternatives to conventional antimicrobials in swine diets. Use of pre-/or probiotics, organic acids and plant extracts is often recommended, but it seems that zinc oxide and cooper salts, which were traditionally included in high doses to piglets diet, possess the highest efficacy...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092597/role-of-probiotics-in-nutrition-and-health-of-small-ruminants
#10
M M Abd El-Tawab, I M I Youssef, H A Bakr, G C Fthenakis, N D Giadinis
Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092574/dynamics-in-epistasis-analysis
#11
Aseel Awdeh, Hilary Phenix, Mads Kaern, Theodore Perkins
Finding regulatory relationships between genes, including the direction and nature of influence between them, is a fundamental challenge in the field of molecular genetics. One classical approach to this problem is epistasis analysis. Broadly speaking, epistasis analysis infers the regulatory relationships between a pair of genes in a genetic pathway by considering the patterns of change in an observable trait resulting from single and double deletion of genes. While classical epistasis analysis has yielded deep insights on numerous genetic pathways, it is not without limitations...
January 16, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28092550/-l_0-gradient-projection
#12
Shunsuke Ono
Minimizing L0 gradient, the number of the nonzero gradients of an image, together with a quadratic datafidelity to an input image has been recognized as a powerful edge-preserving filtering method. However, the L0 gradient minimization has an inherent difficulty: a user-given parameter controlling the degree of flatness does not have a physical meaning since the parameter just balances the relative importance of the L0 gradient term to the quadratic data-fidelity term. As a result, the setting of the parameter is a troublesome work in the L0 gradient minimization...
January 11, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092545/heterogeneous-face-recognition-a-common-encoding-feature-discriminant-approach
#13
Dihong Gong, Zhifeng Li, Weilin Huang, Xuelong Li, Dacheng Tao
Heterogeneous face recognition is an important yet challenging problem in face recognition community. It refers to matching a probe face image to a gallery of face images taken from alternate imaging modality. The major challenge of heterogeneous face recognition lies in the great discrepancies between different image modalities. Conventional face feature descriptors, e.g. LBP, HOG and SIFT, are mostly designed in a handcrafted way and thus generally fail to extract the common discriminant information from the heterogeneous face images...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092540/robust-and-discriminative-labeling-for-multi-label-active-learning-based-on-maximum-correntropy-criterion
#14
Bo Du, Zengmao Wang, Lefei Zhang, Liangpei Zhang, Dacheng Tao
Multi-label learning draws great interests in many real world applications. It is a highly costly task to assign many labels by the oracle for one instance. Meanwhile, it is also hard to build a good model without diagnosing discriminative labels. Can we reduce the label costs and improve the ability to train a good model for multi-label learning simultaneously? Active learning addresses the less training samples problem by querying the most valuable samples to achieve a better performance with little costs...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092519/newton-type-greedy-selection-methods-for-ell_0-constrained-minimization
#15
Xiao-Tong Yuan, Qingshan Liu
We introduce a family of Newton-type greedy selection methods for ℓ0-constrained minimization problems. The basic idea is to construct a quadratic function to approximate the original objective function around the current iterate and solve the constructed quadratic program over the cardinality constraint. The next iterate is then estimated via a line search operation between the current iterate and the solution of the sparse quadratic program. This iterative procedure can be interpreted as an extension of the constrained Newton methods from convex minimization to non-convex ℓ0-constrained minimization...
January 11, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28092502/capacity-evaluation-of-a-quantum-based-channel-in-a-biological-context
#16
Valeria Loscri, Anna Maria Vegni
Nanotechnology, as enabler of the miniaturization of devices in a scale ranging from 1 to few hundreds of nm , represents a viable solution for " alternative" communication paradigms that could be effective in complex networked systems, as body area networks. Traditional communication paradigms are not effective in the context of joint body and nano-networked systems, for several reasons, and then novel approaches have been investigated such as nanomechanical, electromagnetic, acoustic, molecular, etc. On the other hand, quantum phenomena represent a natural direction for developing nanotechnology, since it has to be considered as a new scale where new phenomena can occur and can be exploited for information purpose...
December 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28092469/investigational-drugs-in-recent-clinical-trials-for-treatment-resistant-depression
#17
Ricardo P Garay, Carlos A Zarate, Thomas Charpeaud, Leslie Citrome, Christoph U Correll, Ahcène Hameg, Pierre-Michel Llorca
The authors describe the medications for treatment-resistant depression (TRD) in phase II/III of clinical development in the EU and US and provide an opinion on how current treatment can be improved in the near future. Areas covered: Sixty-two trials were identified in US and EU clinical trial registries that included six investigational compounds in recent phase III development and 12 others in recent phase II clinical trials. Glutamatergic agents have been the focus of many studies. A single intravenous dose of the glutamatergic modulator ketamine produces a robust and rapid antidepressant effect in persons with TRD; this effect continues to remain significant for 1 week...
January 16, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28092425/chemical-composition-of-the-essential-oil-of-nigeria-grown-hoslundia-opposita-vahl-lamiaceae-dried-leaves-and-its-bioactivity-against-cowpea-seed-bruchid
#18
Samuel Adelani Babarinde, Olufemi Olutoyin Richard Pitan, Ganiyu Olatunji Olatunde, Michael Oluwole Ajala
Due to several ecological and human hazards of synthetic pesticides in postharvest crop protection, there is the need to search for eco-friendly alternatives. In this study, chemical composition and insecticidal activities of essential oil (EO) obtained from Hoslundia opposita dried leaves were evaluated against cowpea seed bruchid. Eight constituents, predominated by oxygenated monoterpenes (78.86%), were identified using GC-MS. The constituents were 1,8-cineole (1; 61.15%), followed by α-terpineol (2; 16...
January 16, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28092379/structure-fragmentation-patterns-and-magnetic-properties-of-small-nickel-oxide-clusters
#19
R H Aguilera-Del-Toro, F Aguilera-Granja, L C Balbás, A Vega
We report a comprehensive theoretical study of the structural and electronic properties of neutral and charged nickel oxide clusters, NinOm(0/±) (n = 3-8 and m = 1-10), in the context of recent experiments of photodissociation and Ion Mobility Mass Spectrometry. By means of density functional theory calculations in the generalized gradient approximation for exchange and correlation, we determined the putative ground states as well as the low-energy structural- and spin-isomers which were then used to explore the favorable fragmentation channels of the nickel oxide cationic clusters, and the resulting most abundant products, in good qualitative agreement with photodissociation measurements...
January 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28092369/context-dependent-role-for-chromatin-remodeling-component-pbrm1-baf180-in-clear-cell-renal-cell-carcinoma
#20
A Murakami, L Wang, S Kalhorn, P Schraml, W K Rathmell, A C Tan, R Nemenoff, K Stenmark, B-H Jiang, M E Reyland, L Heasley, C-J Hu
A subset of clear cell renal cell carcinoma (ccRCC) tumors exhibit a HIF1A gene mutation, yielding two ccRCC tumor types, H1H2 type expressing both HIF1α and HIF2α, and H2 type expressing HIF2α, but not functional HIF1α protein. However, it is unclear how the H1H2 type ccRCC tumors escape HIF1's tumor-suppressive activity. The polybromo-1 (PBRM1) gene coding for the BAF180 protein, a component of the SWItch/Sucrose Non-Fermentable (SWI/SNF) chromatin remodeling complex, is inactivated in 40% ccRCCs, the function and mechanism of BAF180 mutation is unknown...
January 16, 2017: Oncogenesis
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