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J Peters, J Marion, F J Becher, M Trapp, T Gutberlet, D J Bicout, T Heimburg
We compared the effect of cholesterol at different concentration on the phase behaviour of DMPC (1,2-dimyristoyl-sn-glycero-3-phosphocholine) multilamellar vesicles. We used pressure perturbation differential scanning calorimetry (PPC) that studies a system on the whole by giving access to relevant thermodynamic quantities, and elastic incoherent neutron scattering (EINS) that probes local motions of a system at the atomic level by allowing extraction of dynamical parameters. PPC revealed that the volume expansion coefficient of DMPC and DMPC/Cholesterol samples with 13 and 25 mol% cholesterol is a linear function of the heat capacity measured by differential scanning calorimetry...
November 10, 2017: Scientific Reports
Ralf Gutzmer, Bernhard Frerich, Albrecht Krause-Bergmann, Edgar Dippel
No abstract text is available yet for this article.
November 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Karin Ellen Katharina Seidenschnur, Corinna Dressler, Karsten Weller, Alexander Nast, Ricardo Niklas Werner
No abstract text is available yet for this article.
November 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Gabriele Rotter, Benno Brinkhaus
No abstract text is available yet for this article.
October 27, 2017: Complementary Medicine Research
Danit Ein-Gar, Yael Steinhart
Self-efficacy constitutes a key factor that influences people's inclination to engage in effortful tasks. In this study, we focus on an interesting interplay between two prominent factors known to influence engagement in effortful tasks: the timing of the task (i.e., whether the task is scheduled to take place in the near or distant future) and individuals' levels of self-control. Across three studies, we show that these two factors have an interacting effect on self-efficacy. Low self-control (LSC) individuals report higher self-efficacy for distant-future effortful tasks than for near-future tasks, whereas high self-control (HSC) individuals report higher self-efficacy for near-future tasks than for distant future tasks...
2017: Frontiers in Psychology
Sabine Klein, Sara Kohler, Daniel Krüerke, Arnoud Templeton, Adrian Weibel, Erlendur Haraldsson, Michael Nahm, Ursula Wolf
No abstract text is available yet for this article.
October 26, 2017: Complementary Medicine Research
Rhett Kempe, Fabian Kallmeier
Der nachhaltige Umgang mit den Ressourcen unseres Planeten ist essentiell. Edelmetalle sind sehr selten und werden vielfältig in Schlüsseltechnologien genutzt, zu denen insbesondere die Katalyse zählt. Mangan ist das dritthäufigste Übergangsmetall der Erdkruste und aufgrund seiner kürzlich entdeckten beeindruckenden Reaktivität für Hydrier- und Dehydrierreaktionen ein potenziell geeigneter "Edelmetallersatz". An einen derartigen "Ersatz" sind auch Hoffnungen auf neuartige, durch Edelmetalle nicht vermittelbare, Selektivitätsprofile geknüpft...
October 24, 2017: Angewandte Chemie
Vivian C A Koh, Yong Kuen Ho, Michael C Stevens, Robert F Salamonsen, Nigel H Lovell, Einly Lim
Control for dual rotary left ventricular assist devices (LVADs) used as a biventricular assist device (BiVAD) is challenging. If the control system fails, flow imbalance between the systemic and the pulmonary circulations would result, subsequently leading to ventricular suction or pulmonary congestion. With the expectation that advanced control approaches such as model predictive control could address the challenges naturally and effectively, we developed a synergistic first principles model predictive controller (MPC) for the BiVAD...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Trude Fløystad Eines, Solfrid Vatne
AIM: The aim of this study was to evaluate nurses' and nurse assistants' experiences with a design thinking approach to innovation used in a nursing home in Norway. BACKGROUND: A design thinking approach to innovation that focuses on users' needs can be employed to address many of the challenges facing health care providers in a field facing a growing ageing population, complex diseases and financial shortfalls. EVALUATION: This study is based on a thematic analysis of four focus group interviews with nurses and nurse assistants (n = 23)...
October 23, 2017: Journal of Nursing Management
Olga Reitblat, Adi Levy, Guy Kleinmann, Tsahi T Lerman, Ehud I Assia
PURPOSE: To compare the accuracy of intraocular lens power prediction for eyes with average keratometry (K) readings greater than 46.00 diopters (D) and lower than 42.00 D. SETTING: Ein-Tal Eye Center, Tel-Aviv, Israel. DESIGN: Retrospective case series. METHODS: Eyes having cataract extraction surgery with steep and flat preoperative corneal curvatures determined with the Lenstar-LS900 device were enrolled. Refractive prediction errors for the Barrett Universal II, Haigis, Hill-RBF, Hoffer-Q, Holladay 1, Holladay 2, Olsen, and SRK/T formulas were compared...
September 2017: Journal of Cataract and Refractive Surgery
Seetha Lakshmi, Susan E Beekmann, Philip M Polgreen, Allan Rodriguez, Maria L Alcaide
Models of care for people living with HIV (PLWH) have varied over time due to long term survival, development of HIV-associated non-AIDS conditions, and HIV specific primary care guidelines that differ from those of the general population. The objectives of this study are to assess how often infectious disease (ID) physicians provide primary care for PLWH, assess their practice patterns and barriers in the provision of primary care. We used a 6-item survey electronically distributed to ID physician members of Emerging Infections Network (EIN)...
October 9, 2017: AIDS Care
Julia K Mack, Ellen Kienzle
A dog was referred for nutrition consultation after surgical removal of struvite uroliths from the bladder. Inspection of the dog's current ration revealed a pronounced vitamin-A deficiency together with a marked deficiency of protein, phosphorus and magnesium. Therefore, a supersaturation of the urine with ammonium, magnesium and phosphate, the three constituents of struvite, as a cause of struvite calculi formation appears rather unlikely. Vitamin-A deficiency can promote urinary infections and consequently struvite stone formation because of the lack of the protective effect of vitamin A on the epithelia of the urinary tract...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
Nativ Dudai, Alona Shachter, Prabodh Satyal, William N Setzer
Background:Commiphora gileadensis (Hebrew: apharsemon) has been used since Biblical times to treat various ailments, and is used today in the traditional medicine of some Middle Eastern cultures. Methods: The essential oils from the stem bark, leaves, and fruits of Commiphora gileadensis-collected at the Ein Gedi Botanical Garden, Israel-were obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry. In addition, the enantiomeric distributions of the monoterpenoids in the essential oils have been determined by chiral gas chromatography...
September 12, 2017: Medicines (Basel, Switzerland)
Jin Sun Cho, Mi-Hyang Lee, Seung Il Kim, Seho Park, Hyung Seok Park, Ein Oh, Jong Ho Lee, Bon-Nyeo Koo
Introduction: Perioperative anesthesia and analgesia exacerbate immunosuppression in immunocompromised cancer patients. The natural killer (NK) cell is a critical part of anti-tumor immunity. We compared the effects of two different anesthesia and analgesia methods on the NK cell cytotoxicity (NKCC) in patients undergoing breast cancer surgery. Methods: Fifty patients undergoing breast cancer resection were randomly assigned to receive propofol-remifentanil anesthesia with postoperative ketorolac analgesia (Propofol-ketorolac groups) or sevoflurane-remifentanil anesthesia with postoperative fentanyl analgesia (Sevoflurane-fentanyl group)...
2017: International Journal of Medical Sciences
Gilad Hirschberger, Jenna Hayes, Adi Shtrul, Tsachi Ein-Dor
Five studies examined defensive intergroup helping-when responsibility for an out-group victim's injury decreases helping, whereas lack of responsibility increases helping when death is salient. In Study 1 ( N = 350), implicit death primes increased petition signings to allow a Palestinian child to receive medical treatment in Israel, when the child was a victim of Palestinian fire. When the child was a victim of Israeli fire, however, death primes decreased petition signings. Study 2 ( N = 200) partially replicated these effects on commitment to donate blood to an injured Palestinian child...
October 2017: Personality & Social Psychology Bulletin
Dina S Ahmed, Gamal A El-Hiti, Ayad S Hameed, Emad Yousif, Ahmed Ahmed
Three new tetra-Schiff bases were synthesized and characterized to be used as photostabilizers for poly(vinyl chloride) (PVC) films. The photostability of PVC films (40 μm thickness) in the presence of Schiff bases (0.5 wt %) upon irradiation (300 h) with a UV light (λmax = 365 nm and light intensity = 6.43 × 10(-9) ein∙dm(-3)∙s(-1)) was examined using various spectroscopic measurements and surface morphology analysis. The changes in various functional groups' indices, weight and viscosity average molecular weight of PVC films were monitored against irradiation time...
September 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Ioana Cosgarea, Cathrin Ritter, Jürgen C Becker, Dirk Schadendorf, Selma Ugurel
Die Behandlungsstrategie beim metastasierten Melanom hat sich mit der Identifizierung therapeutisch angreifbarer molekularer Zielstrukturen innerhalb zellulärer Signalwege radikal geändert. Durch die Zulassung von Substanzen, die gezielt an den zentralen Schaltmolekülen, den Phosphokinasen, angreifen, können diese Signalwege selektiv abgeschaltet werden. Dies ist insbesondere bei denjenigen Tumoren von Interesse, deren Signalwege durch aktivierende Mutationen der für die Schaltmoleküle kodierenden Gene konstitutiv aktiviert sind...
September 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Julia Liersch, Amelie von Köckritz, Jörg Schaller
In diesem CME-Artikel werden histopathologische Grundkenntnisse der häufigsten Hauttumoren (epidermal, adnexiell, melanozytär, mesenchymal), deren labortechnische Aufarbeitung sowie der Stellenwert immunhistochemischer und molekularer Zusatzuntersuchungen zusammengefasst. Dies soll dem erfahrenen Kliniker bei der Wahl der richtigen Entnahmetechnik und der Interpretation der histopathologischen Befundberichte behilflich sein und in dermatologischer Weiterbildung befindlichen Ärzten ein besseres Verständnis der Dermatohistologie vermitteln...
September 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Sven Schneider, Tatiana Görig, Laura Schilling, Eckhard W Breitbart, Rüdiger Greinert, Katharina Diehl
HINTERGRUND UND ZIELE: Das Projekt "Nationales Krebshilfe-Monitoring zur Solariennutzung" (National Cancer Aid Monitoring of Tanning Bed Use, NCAM) ist eine deutsche Großstudie mit dem Ziel, die wichtigsten Risikofaktoren für Hautkrebs zu beobachten: natürliches Sonnenlicht und künstliche UV-Strahlung. TEILNEHMER UND METHODEN: NCAM ist eine bundesweite Querschnittstudie mit zunächst vier Runden der Datenerfassung (sogenannten Wellen) zwischen 2015 und 2018...
September 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Roger Stutz, Delia Schreiber
No abstract text is available yet for this article.
September 5, 2017: Complementary Medicine Research
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