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https://www.readbyqxmd.com/read/28551477/an-evaluation-of-approaches-used-to-teach-quality-improvement-to-pre-registration-healthcare-professionals-an-integrative-review
#1
REVIEW
Lorraine Armstrong, Ashley Shepherd, Fiona Harris
BACKGROUND: Improving the quality of healthcare remains central to UK and international policy, practice and research. In 2003, The Institute of Medicine's 'Health Professions Education: A Bridge to Quality', advocated quality improvement as a core competency for all healthcare professionals. As a result, developing capacity and capability of those applying improvement methodologies in the pre-registration population has risen, yet, little is known about the teaching approaches employed for this purpose...
May 22, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28551146/anodic-stripping-voltammetry-following-double-deposition-and-stripping-steps-application-of-a-new-approach-in-the-course-of-lead-ion-determination
#2
Iwona Gęca, Mieczyslaw Korolczuk
A new approach of double deposition and stripping steps was proposed in the course of anodic stripping lead ion determination in order to decrease the detection limit. Two bismuth film working electrodes differing in their surface area and mounted in one body were used for the measurements. In short, an ensemble of microelectrodes was centrally mounted in the electrode of a large surface area. The application of a new type of arrangement in combination with the additional deposition and stripping steps in one measurement cycle and in one electrochemical cell not only increased the sensitivity of determinations, but also facilitated the analysis...
August 15, 2017: Talanta
https://www.readbyqxmd.com/read/28550796/a-novel-tertiary-prep-hplc-method-for-the-isolation-of-single-amino-acids-for-ams-radiocarbon-measurement
#3
Ricardo Fernandes, Tomas Koudelka, Andreas Tholey, Alexander Dreves
AMS-radiocarbon measurements of amino acids can potentially provide more reliable radiocarbon dates than bulk collagen analysis. Nonetheless, the applicability of such an approach is often limited by the low-throughput of existing isolation methods and difficulties in determining the contamination introduced during the separation process. A novel tertiary prep-HPLC amino acid isolation method was developed that relies on the combustion of eluted material without requiring any additional chemical steps. Amino acid separation was carried out using a gradient mix of pure water and phosphoric acid with an acetonitrile step in-between runs to remove hydrophobic molecules from the separation column...
May 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28550456/what-doesn-t-work-for-whom-exploring-heterogeneity-in-responsiveness-to-the-family-check-up-in-early-childhood-using-a-mixture-model-approach
#4
William E Pelham, Thomas J Dishion, Jenn-Yun Tein, Daniel S Shaw, Melvin N Wilson
This study applied latent class analysis to a family-centered prevention trial in early childhood to identify subgroups of families with differential responsiveness to the Family Check-Up (FCU) intervention. The sample included 731 families with 2-year-olds randomized to the FCU or control condition and followed through age 5 with yearly follow-up assessments. A two-step mixture model was used to examine whether specific constellations of family characteristics at age 2 (baseline) were related to intervention response across ages 3, 4, and 5...
May 27, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28549629/testicular-tumors-of-adrenogenital-syndrome-from-physiopathology-to-therapy
#5
Sahbi Naouar, Salem Braiek, Rafik El Kamel
Testicular tumor of adrenogenital syndrome is a rare and benign anomaly usually presenting as bilateral testicular masses. It is the most important cause of infertility in adult male congenital adrenal hyperplasia. Distinction between testicular tumors of adrenogenital syndrome and Leydig cell tumors can be problematic; it is based on clinical, histopathologic, immunohistochemical and endocrine features. Biopsy is advised in cases of longstanding tumors in infertile patients and when surgery is indicated. Fertility preservation is a key management goal in testicular tumor of adrenogenital syndrome...
May 23, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28548845/a-new-analytical-framework-for-verification-of-biomarkers-of-exposure-to-chemicals-combining-human-biomonitoring-and-water-fingerprinting
#6
Luigi Lopardo, Andrew Cummins, Axel Rydevik, Barbara Kasprzyk-Hordern
Molecular epidemiology approaches in human biomonitoring are powerful tools that allow for verification of public exposure to chemical substances. Unfortunately, due to logistical difficulties and high cost, they tend to evaluate small study groups and as a result might not provide comprehensive large scale community-wide exposure data. Urban water fingerprinting provides a timely alternative to traditional approaches. It can revolutionise the human exposure studies as urban water represents collective community-wide exposure...
May 26, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28548507/bloch-waves-in-minimal-landau-gauge-and-the-infinite-volume-limit-of-lattice-gauge-theory
#7
Attilio Cucchieri, Tereza Mendes
By exploiting the similarity between Bloch's theorem for electrons in crystalline solids and the problem of Landau gauge fixing in Yang-Mills theory on a "replicated" lattice, we show that large-volume results can be reproduced by simulations performed on much smaller lattices. This approach, proposed by Zwanziger [Nucl. Phys. B412, 657 (1994)NUPBBO0550-321310.1016/0550-3213(94)90396-4], corresponds to taking the infinite-volume limit for Landau-gauge field configurations in two steps: first for the gauge transformation alone, while keeping the lattice volume finite, and second for the gauge-field configuration itself...
May 12, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28547769/evaluation-of-piggybac-mediated-cho-pools-to-enable-material-generation-to-support-glp-toxicology-studies
#8
Yashas Rajendra, Sowmya Balasubramanian, Neil A McCracken, Dawn L Norris, Zhirui Lian, Matthew G Schmitt, Christopher C Frye, Gavin C Barnard
Generating purified protein for GLP toxicology studies (GLP-Tox) represents an important and often rate limiting step in the biopharmaceutical drug development process. Toxicity testing requires large amounts of therapeutic protein (>100g), typically produced in a single 500L - 2,500L bioreactor, using the final CHO clonally-derived cell line (CDCL). One approach currently used to save time is to manufacture GLP-Tox material using pools of high-producing CHO CDCLs instead of waiting for the final CDCL. Recently, we reported CHO pools producing mAb titers >7 g/L using piggyBac-mediated gene integration (PB CHO pools)...
May 25, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/28544265/lasting-improvement-of-medication-overuse-headache-after-brief-intervention-a-long-term-follow-up-in-primary-care
#9
E S Kristoffersen, J Straand, M B Russell, C Lundqvist
BACKGROUND AND PURPOSE: Withdrawal therapy improves the headache situation for many patients with medication-overuse headache (MOH), but relapses are common. The objective was to assess the long-term effectiveness of a general practitioner conducted brief intervention (BI) for MOH. METHODS: Sixty MOH patients initially participating in a blinded cluster-randomized controlled trial evaluating BI versus business as usual (BAU) were followed up for 16 months. Follow-up was open after 6 months...
May 23, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28542636/influence-of-learning-styles-on-the-practical-performance-after-the-four-step-basic-life-support-training-approach-an-observational-cohort-study
#10
Hanna Schröder, Alexandra Henke, Lina Stieger, Stefan Beckers, Henning Biermann, Rolf Rossaint, Saša Sopka
BACKGROUND: Learning and training basic life support (BLS)-especially external chest compressions (ECC) within the BLS-algorithm-are essential resuscitation training for laypersons as well as for health care professionals. The objective of this study was to evaluate the influence of learning styles on the performance of BLS and to identify whether all types of learners are sufficiently addressed by Peyton's four-step approach for BLS training. METHODS: A study group of first-year medical students (n = 334) without previous medical knowledge was categorized according to learning styles using the German Lernstilinventar questionnaire based on Kolb's Learning Styles Inventory...
2017: PloS One
https://www.readbyqxmd.com/read/28541224/protein-protein-interaction-interface-residue-pair-prediction-based-on-deep-learning-architecture
#11
Zhenni Zhao, Xinqi Gong
MOTIVATION: Proteins usually fulfill their biological functions by interacting with other proteins. Although some methods have been developed to predict the binding sites of a monomer protein, these are not sufficient for prediction of the interaction between two monomer proteins. The correct prediction of interface residue pairs from two monomer proteins is still an open question and has great significance for practical experimental applications in the life sciences. We hope to build a method for the prediction of interface residue pairs that is suitable for those applications...
May 19, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28540845/simple-and-rapid-dual-dispersive-liquid-liquid-microextraction-as-an-innovative-extraction-method-for-uranium-in-real-water-samples-prior-to-the-determination-of-uranium-by-a-spectrophotometric-technique
#12
Naeemullah Khan, Mustafa Tuzen, Tasneem Gul Kazi
An innovative, rapid, and simple dual-dispersive liquidߛliquid microextraction (DDLL-ME) approach was used to extract uranium from real samples for the first time. The main objective of this study was to disperse extraction solvent by using an air-agitated syringe system to overcome matrix effects and avoid dispersion of hazardous dispersive organic solvents by using heat. The DDLL-ME method consisted of two dispersive liquidߛrliquid extraction steps with chloroform as the extracting solvent. Uranium formed complexes with 4-(2-thiazolylazo) resorcinol in the aqueous phase and was extracted in extracting solvent (chloroform) after the first dispersive liquidߛrliquid process...
May 25, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28540719/one-step-toward-a-new-generation-of-c-mos-compatible-oxide-p-n-junctions-structure-of-the-lsmo-zno-interface-elucidated-by-an-experimental-and-theoretical-synergic-work
#13
Daniele Pullini, Mauro Francesco Sgroi, Agnes Nora Mahmoud, Nicolas Gauquelin, Lorenzo Maschio, Anna Maria Ferrari, Rik Groenen, Cas Damen, Guus Rijnders, Karel H W van den Bos, Sandra Van Aert, Johan Verbeeck
Heterostructures formed by La0.7Sr0.3MnO3/ZnO (LSMO/ZnO) interfaces exhibit extremely interesting electronic properties making them promising candidatea for novel oxide p-n junctions with multifunctional features. In this work, the structure of the interface is studied through a combined experimental/theoretical approach, . Hetero-structures were grown epitaxially and homogeneously on 4" silicon wafers, characterized by advanced electron microscopy imaging and spectroscopy, and simulated by ab-initio DFT calculations...
May 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28536858/quantification-of-micrornas-directly-from-body-fluids-using-a-base-stacking-isothermal-amplification-method-in-a-point-of-care-device
#14
Maggie R Williams, Robert D Stedtfeld, Tiffany M Stedtfeld, James M Tiedje, Syed A Hashsham
MicroRNAs have been proposed to be a class of biomarkers of disease as expression levels are significantly altered in various tissues and body fluids when compared to healthy controls. As such, the detection and quantification of microRNAs is imperative. While many methods have been established for quantification of microRNAs, they typically rely on time consuming handling such as RNA extraction, purification, or ligation. Here we describe a novel method for quantification of microRNAs using direct amplification in body fluids without upstream sample preparation...
September 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28536050/a-systematic-reactor-design-approach-for-the-synthesis-of-active-pharmaceutical-ingredients
#15
Victor N Emenike, René Schenkendorf, Ulrike Krewer
Today's highly competitive pharmaceutical industry is in dire need of an accelerated transition from the drug development phase to the drug production phase. At the heart of this transition are chemical reactors that facilitate the synthesis of active pharmaceutical ingredients (APIs) and whose design can affect subsequent processing steps. Inspired by this challenge, we present a model-based approach for systematic reactor design. The proposed concept is based on the elementary process functions (EPF) methodology to select an optimal reactor configuration from existing state-of-the-art reactor types or can possibly lead to the design of novel reactors...
May 20, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28532044/pancreatic-differentiation-of-induced-pluripotent-stem-cells-in-activin-a-grafted-gelatin-poly-lactide-co-glycolide-nanoparticle-scaffolds-with-induction-of-ly294002-and-retinoic-acid
#16
Yung-Chih Kuo, Yu-Chuan Liu, Rajendiran Rajesh
The differentiation of induced pluripotent stem cells (iPSCs) in biomaterial scaffolds is an emerging area for biomedical applications. This study proposes, for the first time, the production of pancreatic cells from iPSCs in gelatin-poly(lactide-co-glycolide) nanoparticle (PLGA NP) scaffolds. The porosity and swelling ratio of the scaffolds decreased with increases in gelatin and PLGA NP concentrations. The adhesion efficiency of iPSCs in gelatin-PLGA NP scaffolds was found to be higher at 6.7% (w/w) PLGA NP...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531268/implementation-of-an-integrated-approach-to-the-national-hiv-aids-strategy-for-improving-human-immunodeficiency-virus-care-for-youths
#17
J Dennis Fortenberry, Linda J Koenig, Bill G Kapogiannis, Carrie L Jeffries, Jonathan M Ellen, Craig M Wilson
Importance: Youths aged 13 to 24 years old living with human immunodeficiency virus (HIV) are less likely than adults to receive the health and prevention benefits of HIV treatments, with only a small proportion having achieved sustained viral suppression. These age-related disparities in HIV continuum of care are owing in part to the unique developmental issues of adolescents and young adults as well as the complexity and fragmentation of HIV care and related services. This article summarizes a national, multiagency, and multilevel approach to HIV care for newly diagnosed youths designed to bridge some of these fragmentations by addressing National HIV/AIDS Strategy goals for people living with HIV...
May 22, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28530259/approach-to-the-correction-of-drooping-tip-common-problems-and-solutions
#18
P G Giacomini, S Rubino, S Mocella, M Pascali, S Di Girolamo
The drooping tip deformity is both a bothersome aesthetic feature and functional impairment of the nose. Both static and dynamic factors may affect tip appearance and it seems logical to take into account these factors when planning correction of drooping tip. Many studies have examined this topic, but its treatment remains controversial. In order to make nasal tip surgery successful, it is useful to identify the keystone anatomical characteristics of the tip itself. Naso-labial angle, nostril axis, tip rotation angle according to Frankfort plane and columellar-facial angle may be measured to assess nasal tip position...
May 22, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28523914/polymerizable-supramolecular-approach-to-highly-conductive-pedot-pss-patterns
#19
Taegeun Kim, Suryong Ha, Hyosung Choi, Kyungchan Uh, Umesha Kundapur, Sumin Park, Chan Woo Lee, Sang-Hwa Lee, Jaeyong Kim, Jong-Man Kim
Owing to its high conductivity, solution processability, mechanical flexibility and transparency, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been extensively explored for use in functional devices including solar cells, sensors, light emitting diodes and supercapacitors. The ability to fabricate patterned PEDOT:PSS on a solid substrate is of significant importance in order to develop practical applications of this conducting polymer. Herein we describe a new approach to obtain PEDOT:PSS patterns that is based on a polymerizable supramolecular concept...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28523480/2-methoxylated-fa-display-unusual-antibacterial-activity-towards-clinical-isolates-of-methicillin-resistant-staphylococcus-aureus-cimrsa-and-escherichia-coli
#20
Néstor M Carballeira, Nashbly Montano, Christian Morales, Joseph Mooney, Xiomara Torres, Dakeishla Díaz, David J Sanabria-Rios
The naturally occurring (6Z)-(±)-2-methoxy-6-hexadecenoic acid (1) and (6Z)-(±)-2-methoxy-6-octadecenoic acid (2) were synthesized in 7-8 steps with 38 and 13% overall yields, respectively, by using an acetylide coupling approach, which made it possible to obtain a 100% cis-stereochemistry for the double bonds. In a similar fashion, the acetylenic analogs (±)-2-methoxy-6-hexadecynoic acid (3) and (±)-2-methoxy-6-octadecynoic acid (4) were also synthesized in 6-7 steps with 48 and 16% overall yields, respectively...
May 18, 2017: Lipids
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