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https://www.readbyqxmd.com/read/28738676/in-situ-crystallization-of-the-insoluble-anhydrite-aii-phase-in-graphene-pockets
#1
Tibor Lehnert, Michael Kiarie Kinyanjui, Anita Ladenburger, Dimitri Rommel, Katharina Wörle, Felix Börrnert, Kerstin Leopold, Ute Kaiser
Single-distilled water encapsulated in graphene pockets, which has been studied by aberration-corrected high-resolution transmission electron microscopy (AC-HRTEM) and Electron Energy Loss Spectroscopy (EELS) at an acceleration voltage of 80 kV. Inside the graphene pockets crystallization and in-situ crystal growth is reported and identified as ultrathin insoluble AII phase of CaSO4 (anhydrite) in a quasi 2-dimensional system. Its formation condition is discussed with respect to the possible temperature and van der Waals pressure between the graphene sheets...
July 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28738439/terpenoids-from-the-oleo-gum-resin-of-boswellia-serrata-and-their-antiplasmodial-effects-in-vitro
#2
Hippolyt L Greve, Marcel Kaiser, Reto Brun, Thomas J Schmidt
In the course of our ongoing search for new natural products as leads against protozoal diseases, the dichloromethane extract of Indian frankincense, the oleo-gum-resin obtained from Boswellia serrata, showed in vitro activity against Plasmodium falciparum. Bioactivity-guided fractionation led to the isolation of eight diterpenes: (1S,3E,7E,11R)-verticilla-3,7,12(18)-triene (1), cembrene A (2), serratol (3), 1S,3E,7R,8R,11E-7,8-epoxy-cembra-3,11-dien-1-ol (4), incensole oxide (5), rel (1S,3R,7E,11S,12R)-1,12-epoxy-4-methylenecembr-7-ene-3, 11-diol (6), isoincensole oxide (7), and isodecaryiol (8)...
July 24, 2017: Planta Medica
https://www.readbyqxmd.com/read/28736861/azadirachtin-effects-on-mating-success-gametic-abnormalities-and-progeny-survival-in-drosophila-melanogaster-diptera
#3
Chemseddine M Oulhaci, Béatrice Denis, Samira Kilani-Morakchi, Jean-Christophe Sandoz, Laure Kaiser, Dominique Joly, Nadia Aribi
BACKGROUND: Azadirachtin is a prominent natural pesticide and represents an alternative to conventional insecticides. It has been successfully used against insect pests. However, its effects on reproduction require further analysis. Here we investigated lethal and sublethal effects of azadirachtin, on treated adults in a model insect, Drosophila melanogaster (Meigen). Dose-mortality relationships as well as several parameters of reproduction (mating, spermatogenesis, oogenesis and fertility) were examined...
July 24, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28735891/versatile-nature-of-hetero-chitosan-based-derivatives-as-biodegradable-adsorbent-for-heavy-metal-ions-a-review
#4
REVIEW
Mudasir Ahmad, Kaiser Manzoor, Saiqa Ikram
The polyfunctional chitosan can act as the biological macromolecule ligand not only for the adsorption and the recovery of metal ions from an aqueous media, but also for the fabrication of novel adsorbents which shows selectivity and better adsorption properties. The unmodified chitosan itself, a single cationic polysaccharide, has hydroxyl and amine groups carrying complex properties with the metal ions. In addition, the selectivity of metal ions, the adsorption efficiency and adsorption capacity of the adsorbent can be modified chemically...
July 20, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28734626/staged-treatment-of-mega-aortic-syndrome-using-the-frozen-elephant-trunk-and-hybrid-thoracoabdominal-repair
#5
Asimakis Gkremoutis, Andreas Zierer, Thomas Schmitz-Rixen, Ali El-Sayed Ahmad, Erhard Kaiser, Michael Keese, Thomas Schmandra
OBJECTIVE: We report our experience with a staged hybrid approach for the treatment of extended aortic disease, also known as "mega aortic syndrome." METHODS: A total of 15 patients (10 male, 5 female) underwent staged repair of the thoracoabdominal aorta, consisting of 3 separate stages (repair of ascending aorta and aortic arch using the frozen elephant trunk technique and hybrid thoracoabdominal repair with debranching of the renovisceral branches and stent graft implantation)...
June 24, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28732518/impact-of-the-change-of-copay-policy-in-medicare-part-d-on-zoster-vaccine-uptake-among-medicare-beneficiaries-in-a-managed-care-organization
#6
Rulin C Hechter, Lei Qian, Songkai Yan, Yi Luo, Girishanthy Krishnarajah, Hung-Fu Tseng
BACKGROUND: Kaiser Permanente Southern California (KPSC) adopted the Medicare Part D Tier-6 with zero patient copay for zoster vaccination in 2012. We assessed the impact of the implementation on zoster vaccination rate (GSK study identifier: HO-13-14,182). METHODS: Zoster vaccination rate was examined among an open cohort of ≥65-year-old Medicare Part D beneficiaries during 01/01/2008-06/30/2014, compared to ≥65-year-old commercial health plan members and 60-64-year-old members...
July 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28731318/ultrafast-ionic-liquid-assisted-microwave-synthesis-of-sno-microflowers-and-their-superior-sodium-ion-storage-performance
#7
Bingsheng Qin, Huang Zhang, Thomas Diemant, Dorin Geiger, Rinaldo Raccichini, R Jürgen Behm, Ute Kaiser, Alberto Varzi, Stefano Passerini
Tin oxide (SnO) is considered one of the most promising metal oxides for utilization as anode material in sodium ion batteries (SIBs), due to its ease of synthesis, high specific gravimetric capacity and satisfactory cycling performance. However, to aim at practical applications, the coulombic efficiency during cycling needs to be further improved, which requires a deeper knowledge of its working mechanism. Here, a microflower-shaped SnO material is synthesized by means of an ultrafast ionic liquid-assisted microwave method...
July 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28729489/nih-redefines-clinical-trials-attracting-critics
#8
Jocelyn Kaiser
No abstract text is available yet for this article.
July 21, 2017: Science
https://www.readbyqxmd.com/read/28729233/dynamo-a-modular-platform-for-monitoring-process-outcome-and-algorithm-based-treatment-planning-in-psychotherapy
#9
Tim Kaiser, Anton Rupert Laireiter
BACKGROUND: In recent years, the assessment of mental disorders has become more and more personalized. Modern advancements such as Internet-enabled mobile phones and increased computing capacity make it possible to tap sources of information that have long been unavailable to mental health practitioners. OBJECTIVE: Software packages that combine algorithm-based treatment planning, process monitoring, and outcome monitoring are scarce. The objective of this study was to assess whether the DynAMo Web application can fill this gap by providing a software solution that can be used by both researchers to conduct state-of-the-art psychotherapy process research and clinicians to plan treatments and monitor psychotherapeutic processes...
July 20, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28728177/porcine-collagen-transconjunctival-wound-closure-system-for-microincisional-vitrectomy-surgery
#10
Tiffany A Chen, Peter K Kaiser, Rainer Fasching, Darius M Moshfeghi
BACKGROUND AND OBJECTIVE: Microincisional vitrectomy surgery has improved outcomes for vitrectomies; however, wound closure complications remain an important concern. The authors introduce a technique to improve transconjunctival wound closure in vitrectomy surgery. PATIENTS AND METHODS: The authors evaluated the efficacy of porcine collagen plugs on stopping leakage from sclerotomy test sites in vitro and in vivo and assessed wound site healing with histology samples...
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28728165/active-multiple-myeloma-suppresses-and-typically-eliminates-coexisting-mgus
#11
John P Campbell, Jennifer L J Heaney, Sankalp Pandya, Zaheer Afzal, Martin Kaiser, Roger Owen, J Anthony Child, Walter Gregory, Gareth J Morgan, Graham H Jackson, Chris M Bunce, Mark T Drayson
BACKGROUND: Myeloma is consistently preceded by premalignant monoclonal gammopathy of undetermined significance (MGUS). In >5% of MGUS patients there is a second MGUS clone (biclonal gammopathy of undetermined significance; BGUS), yet, at myeloma diagnosis, presentation of biclonal gammopathy myeloma (BGMy) is considered less frequent, implying that myeloma eradicates coexisting MGUS. METHODS: In the largest study of its kind, we assessed BGMy frequency amongst 6399 newly diagnosed myeloma patients enrolled in recent UK clinical trials...
July 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28727884/oct-angiography-and-ellipsoid-zone-mapping-of-macular-telangiectasia-type-2-from-the-avatar-study
#12
Anne P Runkle, Peter K Kaiser, Sunil K Srivastava, Andrew P Schachat, Jamie L Reese, Justis P Ehlers
Purpose: To evaluate alterations on optical coherence tomography angiography (OCT-A) and quantitatively assess alterations in the ellipsoid zone (EZ) in eyes with macular telangiectasia type 2 (MacTel type 2). Methods: The Observational Assessment of Visualizing and Analyzing Vessels With Optical Coherence Tomography Angiography in Retinal Diseases study is an institutional review board-approved prospective, observational study investigating OCT-A in macular disease...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28727814/low-pcsk9-levels-are-correlated-with-mortality-in-patients-with-end-stage-liver-disease
#13
Valentin Schlegel, Theresa Treuner-Kaueroff, Daniel Seehofer, Thomas Berg, Susen Becker, Uta Ceglarek, Joachim Thiery, Thorsten Kaiser
INTRODUCTION: Proprotein convertase subtilisin/kexin type 9 (PCSK9) plays a key role in the cholesterol metabolism and is synthesized by the liver. It interacts with the LDL-receptor to promote its degradation. The model of end-stage liver disease (MELD) score is a well-established tool to estimate the risk of mortality in patients with end-stage chronic liver disease. The study aims to assess the associations between PCSK9, hypocholesterinemia, liver synthesis, cholestasis, MELD score and mortality in patients with end-stage liver disease...
2017: PloS One
https://www.readbyqxmd.com/read/28727378/anastomosing-hemangioma-simulating-renal-cell-carcinoma
#14
Mariana Athaniel Silva, Eduardo Kaiser Ururahy Nunes Fonseca, Fernando Ide Yamauchi, Ronaldo Hueb Baroni
The anastomosing hemangioma is a recent described rare variant, which histologically simulates an angiosarcoma and occurs primarily in the genitourinary tract. We present a case of renal anastomosing hemangioma from a radiologic perspective, describing its imaging features and reviewing its presentation and management.
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28725026/microbiome-analysis-and-confocal-microscopy-of-used-kitchen-sponges-reveal-massive-colonization-by-acinetobacter-moraxella-and-chryseobacterium-species
#15
Massimiliano Cardinale, Dominik Kaiser, Tillmann Lueders, Sylvia Schnell, Markus Egert
The built environment (BE) and in particular kitchen environments harbor a remarkable microbial diversity, including pathogens. We analyzed the bacterial microbiome of used kitchen sponges by 454-pyrosequencing of 16S rRNA genes and fluorescence in situ hybridization coupled with confocal laser scanning microscopy (FISH-CLSM). Pyrosequencing showed a relative dominance of Gammaproteobacteria within the sponge microbiota. Five of the ten most abundant OTUs were closely related to risk group 2 (RG2) species, previously detected in the BE and kitchen microbiome...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722766/comparative-analysis-of-the-radiology-of-osteoporotic-vertebral-fractures-in-women-and-men-cross-sectional-and-longitudinal-observations-from-the-canadian-multicentre-osteoporosis-study-camos
#16
Brian C Lentle, Claudie Berger, Linda Probyn, Jacques P Brown, Lisa Langsetmo, Ben Fine, Kevin Lian, Arvind K Shergill, Jacques Trollip, Stuart Jackson, William D Leslie, Jerilynn C Prior, Stephanie M Kaiser, David A Hanley, Jonathan D Adachi, Tanveer Towheed, K Shawn Davison, Angela M Cheung, David Goltzman
We compared two methods for osteoporotic vertebral fracture (VF) assessment on lateral spine radiographs, the Genant semi-quantitative (GSQ) technique and a modified algorithm-based qualitative (mABQ) approach. We evaluated 4465 women and 1771 men > 50 years old from the Canadian Multicentre Osteoporosis Study with available X-ray images at baseline. Observer agreement was lowest for grade 1 VFs determined by GSQ. Among physician readers, agreement was greater for VFs diagnosed by mABQ [ranging from 0...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28722299/cost-and-health-care-utilization-implications-of-bariatric-surgery-versus-intensive-lifestyle-and-medical-intervention-for-type-2-diabetes
#17
Souvik Banerjee, Louis P Garrison, David R Flum, David E Arterburn
OBJECTIVE: The aim of this study was to compare the cost and health care utilization of patients with obesity and type 2 diabetes mellitus (T2DM) randomized into either Roux-en-Y gastric bypass (RYGB) surgery or an intensive lifestyle and medical intervention (ILMI). METHODS: This analysis (N = 745) is based on 2-year follow-up of a small randomized controlled trial (RCT); adult patients with obesity and T2DM were recruited between 2011 and 2012 from Kaiser Permanente Washington...
July 19, 2017: Obesity
https://www.readbyqxmd.com/read/28722266/second-generation-drug-eluting-stents-versus-bare-metal-stents-for-percutaneous-coronary-intervention-of-the-proximal-left-anterior-descending-artery-an-analysis-of-the-basket-prove-i-and-ii-trials
#18
Fernanda Marinho Mangione, Tor Biering-Sørensen, Kotaro Nochioka, Tannas Jatene, Odilson Marcos Silvestre, Kim Wadt Hansen, Rikke Sørensen, Jan Skov Jensen, Peter Godsk Jorgensen, Raban Jeger, Christoph Kaiser, Matthias Pfisterer, Søren Galatius
OBJECTIVES: To compare mid-term outcomes between patients undergoing proximal left anterior descending artery (LAD) percutaneous coronary intervention (PCI) with second generation drug-eluting stent (DES) or bare-metal stent (BMS). BACKGROUND: PCI with BMS and first-generation DES have shown to be safe options for the treatment of proximal LAD stenosis, however associated with considerable reintervention rates. Overall, second-generation DES has proven to be superior to BMS and first-generation DES, nevertheless, its effect for proximal LAD PCI has not previously been reported...
July 19, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28721671/front-end-electron-transfer-dissociation-coupled-to-a-21-tesla-ft-icr-mass-spectrometer-for-intact-protein-sequence-analysis
#19
Chad R Weisbrod, Nathan K Kaiser, John E P Syka, Lee Early, Christopher Mullen, Jean-Jacques Dunyach, A Michelle English, Lissa C Anderson, Greg T Blakney, Jeffrey Shabanowitz, Christopher L Hendrickson, Alan G Marshall, Donald F Hunt
High resolution mass spectrometry is a key technology for in-depth protein characterization. High-field Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) enables high-level interrogation of intact proteins in the most detail to date. However, an appropriate complement of fragmentation technologies must be paired with FTMS to provide comprehensive sequence coverage, as well as characterization of sequence variants, and post-translational modifications. Here we describe the integration of front-end electron transfer dissociation (FETD) with a custom-built 21 tesla FT-ICR mass spectrometer, which yields unprecedented sequence coverage for proteins ranging from 2...
July 18, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28720905/antiplasmodial-ealapasamines-a-c-mixed-naphthylisoquinoline-dimers-from-the-central-african-liana-ancistrocladus-ealaensis
#20
Dieudonné Tshitenge Tshitenge, Doris Feineis, Virima Mudogo, Marcel Kaiser, Reto Brun, Gerhard Bringmann
Three unusual heterodimeric naphthylisoquinoline alkaloids, named ealapasamines A-C (1-3), were isolated from the leaves of the tropical plant Ancistrocladus ealaensis J. Léonard. These 'mixed', constitutionally unsymmetric dimers are the first stereochemically fully assigned cross-coupling products of a 5,8'- and a 7,8'-coupled naphthylisoquinoline linked via C-6' in both naphthalene portions. So far, only two other West and Central Ancistrocladus species were known to produce dimers with a central 6,6″-axis, yet, in contrast to the ealapasamines, usually consisting of two 5,8'-coupled monomers, like e...
July 18, 2017: Scientific Reports
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