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https://www.readbyqxmd.com/read/29655933/-document-management-systems-to-support-quality-management-systems-at-university-hospitals-an-interview-based-study
#1
Martin Holderried, Ann-Catrin Bökel, Elke Ochsmann
In order to save and control the processes and quality of medical services, a suitable steering system of all relevant documents is essential from the point of view of clinical quality management. Systems supporting an automated steering system of documents are called document management systems (DMS), and they also enter the healthcare sector. The use of DMS in the German healthcare sector has hardly been investigated so far. To close this knowledge gap, interviews were carried out with German university hospitals over a six-month period and subjected to a qualitative content analysis according to Mayring...
April 12, 2018: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/29644260/biochemical-analysis-of-dimethyl-suberimidate-crosslinked-yeast-nucleosomes
#2
Yuichi Ichiakwa, Paul D Kaufman
Nucleosomes are the fundamental unit of eukaryotic chromosome packaging, comprised of 147 bp of DNA wrapped around two molecules of each of the core histone proteins H2A, H2B, H3, and H4. Nucleosomes are symmetrical, with one axis of symmetry centered on the homodimeric interaction between the C-termini of the H3 molecules. To explore the functional consequences of nucleosome symmetry, we designed an obligate pair of H3 heterodimers, termed H3X and H3Y, allowing us to compare cells with single or double H3 alterations...
March 20, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29608293/differential-mobility-spectrometry-of-1-deoxysphingosine-isomers-new-insights-into-the-gas-phase-structures-of-ionized-lipids
#3
Berwyck L J Poad, Alan T Maccarone, Haibo Yu, Todd W Mitchell, Essa M Saied, Christoph Arenz, Thorsten Hornemann, James N Bull, Evan John Bieske, Stephen J Blanksby
Separation and structural identification of lipids remains a major challenge for contemporary lipidomics. Regioisomeric lipids differing only in position(s) of unsaturation are not differentiated by conventional liquid chromatography-mass spectrometry approaches leading to the incomplete, or sometimes incorrect, assignation of molecular structure. Here we describe an investigation of the gas phase separations by differential mobility spectrometry (DMS) of a series of synthetic analogues of the recently described 1-deoxysphingosine...
April 2, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29596720/differential-mobility-spectrometry-dms-reveals-the-elevation-of-urinary-acetylcarnitine-in-non-human-primates-nhps-exposed-to-radiation
#4
Nicholas B Vera, Zhidan Chen, Evan Pannkuk, Evagelia C Laiakis, Albert J Fornace, Derek M Erion, Stephen L Coy, Jeffrey A Pfefferkorn, Paul Vouros
Acetylcarnitine has been identified as one of several urinary biomarkers indicative of radiation exposure in adult rhesus macaque monkeys (non-human primates, NHPs). Previous work has demonstrated an up-regulated dose-response profile in a balanced male/female NHP cohort1 . As a contribution toward the development of metabolomics-based radiation biodosimetry in human populations and other applications of acetylcarnitine screening, we have developed a quantitative, high-throughput method for the analysis of acetylcarnitine...
March 29, 2018: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29589592/developing-a-hippocampal-neural-prosthetic-to-facilitate-human-memory-encoding-and-recall
#5
Robert E Hampson, Dong Song, Brian S Robinson, Dustin Fetterhoff, Alexander S Dakos, Brent M Roeder, Xiwei She, Robert T Wicks, Mark R Witcher, Daniel E Couture, Adrian W Laxton, Heidi Munger-Clary, Gautam Popli, Myriam J Sollman, Christopher T Whitlow, Vasilis Z Marmarelis, Theodore W Berger, Sam A Deadwyler
OBJECTIVE: We demonstrate here the first successful implementation in humans of a proof-of-concept system for restoring and improving memory function via facilitation of memory encoding using the patient's own hippocampal spatiotemporal neural codes for memory. Memory in humans is subject to disruption by drugs, disease and brain injury, yet previous attempts to restore or rescue memory function in humans typically involved only nonspecific, modulation of brain areas and neural systems related to memory retrieval...
March 28, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29588063/evidence-for-a-relatively-high-proportion-of-dm2-mutations-in-a-large-group-of-polish-patients
#6
Anna Sulek, Wioletta Krysa, Marta Rajkiewicz, Anna Lusakowska, Anna Kaminska, Monika Nojszewska, Elzbieta Zdzienicka, Jolanta Kubalska, Maria Rakowicz, Walentyna Szirkowiec, Hubert Kwiecinski, Jacek Zaremba
INTRODUCTION: Myotonic dystrophies (DMs) type 1 (DM1) and type 2 (DM2) are autosomal dominant, multisystem disorders, considered the most common dystrophies in adults. DM1 and DM2 are caused by dynamic mutations in the DMPK and CNBP genes, respectively. METHODS: Molecular analyses were performed by PCR and the modified RP-PCR in patients, in their at-risk relatives and prenatal cases. RESULTS: The analysis of Polish controls revealed the range of 5-31 CTG repeats for DM1 and 110-228 bp alleles for DM2...
March 7, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29587565/fronto-limbic-disconnection-in-patients-with-multiple-sclerosis-and-depression
#7
Quinten van Geest, Rosa E Boeschoten, Matthijs J Keijzer, Martijn D Steenwijk, Petra Jw Pouwels, Jos Wr Twisk, Johannes H Smit, Bernard Mj Uitdehaag, Jeroen Jg Geurts, Patricia van Oppen, Hanneke E Hulst
BACKGROUND: The biological mechanism of depression in multiple sclerosis (MS) is not well understood. Based on work in major depressive disorder, fronto-limbic disconnection might be important. OBJECTIVE: To investigate structural and functional fronto-limbic changes in depressed MS (DMS) and non-depressed MS (nDMS) patients. METHODS: In this retrospective study, 22 moderate-to-severe DMS patients (disease duration 8.2 ± 7.7 years), 21 nDMS patients (disease duration 15...
March 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29580703/-delusional-misidentification-syndromes-a-factor-associated-with-violence-literature-review-of-case-reports
#8
M Horn, D Pins, G Vaiva, P Thomas, T Fovet, A Amad
OBJECTIVES: Delusional misidentification syndromes (DMS) correspond to the delusional belief of misidentification of familiar persons, places or objects and to the conviction that they have been replaced or transformed. Several cases of patients who developed violent behavior while suffering from DMS have been published. This led some authors to consider patients with DMS at risk of violence. However, only a few studies have focused on the potential relationship between violence and DMS...
March 23, 2018: L'Encéphale
https://www.readbyqxmd.com/read/29570980/identifying-fenton-reacted-trimethoprim-transformation-products-using-differential-mobility-spectrometry
#9
Jarrod Psutka, Annick Dion-Fortier, Thorsten Dieckmann, J Larry Campbell, Pedro Alejandro Segura, W Scott Hopkins
A transformation product of trimethoprim, a contaminant of emerging concern in the environment, is generated using an electro-assisted Fenton reaction and analyzed using differential mobility spectrometry (DMS) in combination with MS/MS techniques and quantum chemical calculations to develop a rapid method for identification. DMS is used as a pre-filter to separate positional iso-mers prior to subsequent identification by mass spectrometric analyses. Collision induced dissociation of each DMS separated spe-cies is used to reveal fragmentation patterns that can be correlated to specific isomer structures...
March 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29561774/dietary-inflammatory-index-and-type-2-diabetes-mellitus-in-adults-the-diabetes-mellitus-survey-of-mexico-city
#10
Edgar Denova-Gutiérrez, Paloma Muñoz-Aguirre, Nitin Shivappa, James R Hébert, Lizbeth Tolentino-Mayo, Carolina Batis, Simón Barquera
Diet and inflammation are both associated with type 2 diabetes mellitus (T2DM). In the present study, we aimed to assess the relation between the dietary inflammatory index (DII) and the presence of T2DM in Mexican adults participating in the Diabetes Mellitus Survey administered in Mexico City (DMS-MC). The study involved 1174 subjects (48.5% men) between 20-69 years of age. A validated semi-quantitative food frequency questionnaire was employed to evaluate dietary intake and to compute DII. The DII is based on scientific evidence about the association between dietary compounds and six established inflammatory biomarkers...
March 21, 2018: Nutrients
https://www.readbyqxmd.com/read/29561599/the-dmsp-lyase-and-lyase-like-cupin-family-consists-of-bona-fide-dmsp-lyases-as-well-as-other-enzymes-with-unknown-function
#11
Lei Lei, Kesava Phaneendra Cherukuri, Uria Alcolombri, Diana Meltzer, Dan S Tawfik
Marine organisms release dimethylsulfide (DMS) via cleavage of dimethylsulfoniopropionate (DMSP). Different genes encoding proteins with DMSP lyase activity are known, yet these exhibit highly variable levels of activity. Most assigned bacterial DMSP lyases, including DddK, DddL, DddQ, DddW and DddY, appear to belong to one, cupin-like superfamily. Here, we attempted to define and map this superfamily dubbed Cupin-DLL: DMSP lyases and lyase-like. To this end, we have pursued the characterization of various recombinant DMSP lyases belonging to this superfamily of metallo-enzymes, and especially of DddY and DddL that seem to be the most active DMSP lyases in this superfamily...
March 21, 2018: Biochemistry
https://www.readbyqxmd.com/read/29557236/new-body-scales-reveal-body-dissatisfaction-thin-ideal-and-muscularity-ideal-in-males
#12
Christina Ralph-Nearman, Ruth Filik
The aim of the current study was to develop, test, and retest two new male body dissatisfaction scales: The Male Body Scale (MBS; consisting of emaciated to obese figures) and the Male Fit Body Scale (MFBS; consisting of emaciated to muscular figures). These scales were compared to the two most commonly used visually based indices of body dissatisfaction (Stunkard Figure Rating Scale, SFRS; and Somatomorphic Matrix, SM). Male participants rated which body figure on each scale most represented their current figure, then their ideal figure, and then rated which one of the three scales (MBS, MFBS, and SFRS) best represented their current and ideal body overall...
March 1, 2018: American Journal of Men's Health
https://www.readbyqxmd.com/read/29540574/quantitative-structural-multi-class-lipidomics-using-differential-mobility-electron-impact-excitation-of-ions-from-organics-eieio-mass-spectrometry
#13
Takashi Baba, J Larry Campbell, J C Yves Le Blanc, Paul R S Baker, Kazutaka Ikeda
We report a method for comprehensive structural characterization of lipids in animal tissues using a combination of differential Ion mobility spectrometry (DMS) with electron-impact excitation of ions from organics (EIEIO) mass spectrometry. Singly charged lipid ions in protonated or sodiated forms were dissociated by an electron beam having a kinetic energy of 10 eV in a branched radio-frequency ion trap. We established a comprehensive set of diagnostics to characterize structures of glycerophospholipids, sphingolipids, and acylglycerols, including glycosylated, plasmalogen, and ester forms...
March 14, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29540548/acc-to-dorsal-medial-striatum-inputs-modulate-histaminergic-itch-sensation
#14
Yu-Chen Lu, Yu-Jun Wang, Bin Lu, Ming Chen, Ping Zheng, Jing-Gen Liu
Itch is an unpleasant sensation that initiates scratching behavior. Itch-scratch reaction is a complex phenomenon whose occurrence implicates supraspinal structures required for regulation of sensory, emotional, cognitive, and motivational aspects. However, the central mechanisms underlying the processing of itch and the interplay of the supraspinal regions and spinal cord in regulating itch-scratch processes are poorly understood. Here, we have identified that the neural projections from anterior cingulate cortex (ACC) to dorsal medial striatum (DMS) constitute a critical circuit element for regulating itch-related behaviors in the brain of male C57BL/6J mice...
March 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29538091/lymphoid-aggregates-in-desmoplastic-melanoma-have-features-of-tertiary-lymphoid-structures
#15
Anne M Stowman, Alexandra W Hickman, Ileana S Mauldin, Adela Mahmutovic, Alejandro A Gru, Craig L Slingluff
Desmoplastic melanomas (DM) have unique and challenging clinical presentations and histomorphology. A characteristic feature is the presence of scattered lymphoid aggregates. However, the nature of these aggregates is not defined. We hypothesized that they may be tertiary lymphoid structures (TLS), and may be associated with programmed death ligand 1 (PD-L1) expression. We searched our tissue database for 'pure' DMs and for scars as control tissues, collected clinical information, and reviewed H&E histology...
March 13, 2018: Melanoma Research
https://www.readbyqxmd.com/read/29532192/probing-the-application-range-and-selectivity-of-a-differential-mobility-spectrometry-mass-spectrometry-platform-for-metabolomics
#16
Stefanie Wernisch, Farsad Afshinnia, Thekkelnaycke Rajendiran, Subramaniam Pennathur
Metabolomics applications of differential mobility spectrometry (DMS)-mass spectrometry (MS) have largely concentrated on targeted assays and the removal of isobaric or chemical interferences from the signals of a small number of analytes. In the work reported here, we systematically investigated the application range of a DMS-MS method for metabolomics using more than 800 authentic metabolite standards as the test set. The coverage achieved with the DMS-MS platform was comparable to that achieved with chromatographic methods...
March 12, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29523239/quantitative-methods-to-investigate-the-4d-dynamics-of-heterochromatic-repair-sites-in-drosophila-cells
#17
Christopher P Caridi, Laetitia Delabaere, Harianto Tjong, Hannah Hopp, Devika Das, Frank Alber, Irene Chiolo
Heterochromatin is mostly composed of long stretches of repeated DNA sequences prone to ectopic recombination during double-strand break (DSB) repair. In Drosophila, "safe" homologous recombination (HR) repair of heterochromatic DSBs relies on a striking relocalization of repair sites to the nuclear periphery. Central to understanding heterochromatin repair is the ability to investigate the 4D dynamics (movement in space and time) of repair sites. A specific challenge of these studies is preventing phototoxicity and photobleaching effects while imaging the sample over long periods of time, and with sufficient time points and Z-stacks to track repair foci over time...
2018: Methods in Enzymology
https://www.readbyqxmd.com/read/29515142/probe-caught-spontaneous-and-deliberate-mind-wandering-in-relation-to-self-reported-inattentive-hyperactive-and-impulsive-traits-in-adults
#18
Gizem Arabacı, Benjamin A Parris
Research has revealed a positive relationship between types of mind wandering and ADHD at clinical and subclinical levels. However, this work did not consider the relationship between mind wandering and the core symptoms of ADHD: inattention, hyperactivity and impulsivity. Given that the DMS-V attributes mind wandering to inattention only, and that only inattention is thought to result from impairment to the executive function linked to mind wandering, the present research sought to examine this relationship in 80 undiagnosed adults...
March 7, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29513697/some-linguistic-neutrosophic-hamy-mean-operators-and-their-application-to-multi-attribute-group-decision-making
#19
Peide Liu, Xinli You
Linguistic neutrosophic numbers (LNNs) can easily describe the incomplete and indeterminate information by the truth, indeterminacy, and falsity linguistic variables (LVs), and the Hamy mean (HM) operator is a good tool to deal with multiple attribute group decision making (MAGDM) problems because it can capture the interrelationship among the multi-input arguments. Motivated by these ideas, we develop linguistic neutrosophic HM (LNHM) operator and weighted linguistic neutrosophic HM (WLNHM) operator. Some desirable properties and special cases of two operators are discussed in detail...
2018: PloS One
https://www.readbyqxmd.com/read/29511837/novel-capsule-phase-microextraction-in-combination-with-liquid-chromatography-tandem-mass-spectrometry-for-determining-personal-care-products-in-environmental-water
#20
Sameer S Lakade, Francesc Borrull, Kenneth G Furton, Abuzar Kabir, Rosa Maria Marcé, Núria Fontanals
A novel sample preparation technique named capsule phase microextraction (CPME) is presented here. The technique utilizes a miniaturized microextraction capsule (MEC) as the extraction medium. The MEC consists of two conjoined porous tubular polypropylene membranes, one of which encapsulates the sorbent through sol-gel technology, while the other encapsulates a magnetic metal rod. As such, MEC integrates both the extraction and stirring mechanisms into a single device. The aim of this article is to demonstrate the application potential of CPME as sample preparation technique for the extraction of a group of personal care products (PCPs) from water matrices...
March 6, 2018: Analytical and Bioanalytical Chemistry
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