115,850 results match your criteria Der Ophthalmologe [Journal]


[Diagnostic value of the BRAF variant V595E in urine samples, smears and biopsies from canine transitional cell carcinoma].

Tierarztl Prax Ausg K Kleintiere Heimtiere 2018 Oct 12;46(5):289-295. Epub 2018 Dec 12.

Objective: Transitional cell carcinoma (TCC) is the most common malignant tumour of the canine urinary tract. Previously, the mutation of the BRAF gene V595E was identified in approximately 85 % of canine TCC cases by DNA sequencing of TCC tumour cells, both in frozen and paraffin-embedded tissue sections, as well as in urine. The objective of this study was to establish these methods in cytological smears and to investigate the prevalence of BRAF mutation V595E in canine TCC in our cohort of patients. Read More

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October 2018

[A short essay on the spirituality of placebo from an (evolutionary) psychiatric perspective].

Authors:
Udo Bonnet

Fortschr Neurol Psychiatr 2018 Dec 12. Epub 2018 Dec 12.

Klinik für Psychiatrie, Psychotherapie und Psychosomatik im Evangelischen Krankenhaus Castrop-Rauxel, Castrop-Rauxel, Akademisches Lehrkrankenhaus der Universität Duisburg-Essen.

Different to spirituality, the placebo-effect is well operationalized. Against this background, an attempt is made to look at a possible phenomenological relationship between the therapeutic effectiveness of spirituality and placebo. Similar context influences as well as the possible common use of a phylogenetically well conserved protective route via the mesolimbic dopaminergic reward system are highlighted. Read More

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December 2018

[The Influence of Residence Status on Psychiatric Symptom Load of Asylum Seekers in Germany].

Psychiatr Prax 2018 Dec 12. Epub 2018 Dec 12.

Psychiatrische Universitätsklinik der Charité im St. Hedwig-Krankenhaus Berlin.

Background: The aim of this study was to assess asylum seekers' views on their legal situations, asylum procedures and living conditions, and the relationship of these factors towards psychological stress.

Methods: 650 asylum seekers in Berlin received a questionnaire.

Results: 76,3 % (N = 496) completed the questionnaires in full. Read More

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December 2018
1 Read

[Interagency Cooperation in a Community Mental Health Centre - A Qualitative Study about the Stakeholders' Experiences].

Psychiatr Prax 2018 Dec 12. Epub 2018 Dec 12.

Fachbereich Sozialwesen, Hochschule Niederrhein, University of Applied Sciences, Mönchengladbach.

Objective: This study explores the conditions for the stakeholders' cooperation in an integrative care model for people with psychosocial problems.

Methods: Expert interviews on various community mental health care providers were led and content analyzed.

Results: Joint objectives and conceptually comparable financing models were found to be essential for cooperation across mental health and social integration services. Read More

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December 2018

[A Reversible Case of Korsakoff Syndrome in an Alcohol Dependent Patient].

Psychiatr Prax 2018 Dec 12. Epub 2018 Dec 12.

LVR-Klinikum Düsseldorf, Kliniken der Heinrich-Heine-Universität, Medizinische Fakultät Düsseldorf.

Alcohol dependent patients represent a high-risk group for vitamin deficiency, which could lead to variable cognitive dysfunctions and, as an extreme example, to an amnestic-confabulatory syndrome. In this case report, we report about an alcohol dependent 58-year-old patient without focal neurological symptoms with an amnestic-confabulatory syndrome. After substitution of thiamine, vitamin B12 and folic acid, cognitive symptoms completely vanish within a 22-month period of observation. Read More

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December 2018

[Current trends in flexible ureteroscopy: an update].

Aktuelle Urol 2018 Dec 12. Epub 2018 Dec 12.

Department of Urology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg.

Flexible ureteroscopy (fURS) has become a success story in urology. Since its implementation into the treatment of urolithiasis, fURS has demonstrated excellent clinical performance and safety. In recent years, the spread of disposable ureteroscopes has shaped the field of endoscopic stone treatment. Read More

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December 2018
1 Read

SIRT7-Dependent Deacetylation of Fibrillarin Controls Histone H2A Methylation and rRNA Synthesis during the Cell Cycle.

Cell Rep 2018 Dec;25(11):2946-2954.e5

Molecular Biology of the Cell II, German Cancer Research Centre (DKFZ), DKFZ-Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH) Alliance, 69120 Heidelberg, Germany. Electronic address:

Fibrillarin (FBL) is a dual-function nucleolar protein that catalyzes 2'-O methylation of pre-rRNA and methylation of histone H2A at glutamine 104 (H2AQ104me). The mechanisms that regulate FBL activity are unexplored. Here, we show that FBL is acetylated at several lysine residues by the acetyltransferase CBP and deacetylated by SIRT7. Read More

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December 2018

Usefulness of baseline statin therapy in non-obstructive coronary artery disease by coronary computed tomographic angiography: From the CONFIRM (COronary CT Angiography EvaluatioN For Clinical Outcomes: An InteRnational Multicenter) study.

PLoS One 2018 12;13(12):e0207194. Epub 2018 Dec 12.

Department of Radiology, NewYork-Presbyterian Hospital and the Weill Cornell Medical College, New York, New York, United States of America.

Background: The extent to which the presence and extent of subclinical atherosclerosis by coronary computed tomography angiography influences a potential mortality benefit of statin is unknown. We evaluated the relationship between statin therapy, mortality, and subclinical atherosclerosis.

Methods: In the CONFIRM study, patients with normal or non-obstructive plaque (<50% diameter stenosis) for whom data on baseline statin use was available were included. Read More

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December 2018

Histamine causes influx via T-type voltage-gated calcium channels in an enterochromaffin tumor cell line: potential therapeutic target in adverse food reactions.

Am J Physiol Gastrointest Liver Physiol 2018 Dec 12. Epub 2018 Dec 12.

Institute of Pathophysiology and Immunology, Medical University of Graz.

The P-STS human ileal neuroendocrine tumor cells, as a model for gut enterochromaffin cells, are strongly and synergistically activated by histamine plus acetylcholine (ACh), presumably via histamine 4 receptors, and weakly activated by histamine alone. Sensing these signals, enterochromaffin cells could participate in intestinal intolerance or allergic reactions to food constituents associated with elevated histamine levels. In this study we aimed to analyze the underlying molecular mechanisms. Read More

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December 2018

The Origin of Two-Dimensional Vertical Ferroelectricity in WTe Bilayer and Multilayer.

J Phys Chem Lett 2018 Dec 12. Epub 2018 Dec 12.

In a recent report (Nature 2018, 560, 336), room-temperature vertical ferroelectricity was experimentally shown in WTe2 bilayer, while its mechanism of ferroelectric switching without vertical ion displacements remains unclarified. In this work we reveal its origin by first-principles calculations that the polarization stems from uncompensated interlayer vertical charge transfer depending on in-plane translation, which can be switched upon interlayer sliding. The calculated results are consistent with experimental data, and similar switching mechanism can be applied to multilayer counterpart. Read More

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December 2018

Adsorption of Amino Acids on Gold: Assessing the Accuracy of the GolP-CHARMM Forcefield and Parametrization of Au-S Bonds.

J Chem Theory Comput 2018 Dec 12. Epub 2018 Dec 12.

The interaction of amino acids with metal electrodes plays a crucial role in bioelectrochemistry and the emerging field of bionanoelectronics. Here we present benchmark calculations of the adsorption structure and energy of all natural amino acids on Au(111) in vacuum using a van-der-Waals density functional (revPBE-vdW) that showed good performance on the S22 set of weakly bound dimers (mean relative unsigned error (MRUE) wrt CCSD(T)/CBS = 13.3%) and adsorption energies of small organic molecules on Au(111) (MRUE wrt experiment = 11. Read More

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December 2018

The London - van der Waals Force Field of a Chemically Patterned Surface to Enable Selective Adhesion.

Langmuir 2018 Dec 12. Epub 2018 Dec 12.

The London - van der Waals (L-vdW) force between a particle and a surface strongly depends on the topography and the chemical properties of the interacting surfaces. While a great deal of work has been done to understand the effect of topographical heterogeneity on the L-vdW adhesion, the role of chemical heterogeneity has been discussed only rarely. This study makes an attempt to quantify the magnitude and range of the L-vdW force acting on a spherical particle in the vicinity of a chemically patterned surface. Read More

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December 2018

Catalytic formal [4 + 1] isocyanide-based cycloaddition: an efficient strategy for the synthesis of 1H-cyclopenta[b]quinolin-1-one derivatives.

Org Biomol Chem 2018 Dec 12. Epub 2018 Dec 12.

Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany.

An unprecedented catalytic isocyanide-based cycloaddition of alkyl and aryl isocyanides with (Z)-2-(2-hydroxy-2-alkylvinyl)quinoline-3-carbaldehydes was developed for the direct and efficient synthesis of 1H-cyclopenta[b]quinolin-1-one derivatives. On the basis of DFT calculations, a mechanism is proposed involving formal [4 + 1] cycloaddition of isocyanides, followed by imine-enamine tautomerization and air oxidation. Read More

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December 2018

[The Münsteraner Memorandum on Alternative Practitioners - Analysis and evaluation of critical commentaries].

Z Evid Fortbild Qual Gesundhwes 2018 Nov 26;137-138:27-35. Epub 2018 Oct 26.

Institut für Ethik, Geschichte und Theorie der Medizin der Universität Münster, Deutschland. Electronic address:

With its "Münsteraner Memorandum on Alternative Practitioners" the author collective "Münsteraner Kreis" has recently criticized current German double standards for physicians versus alternative practitioners with regard to minimal competency and to quality assurance. The authors' main goal was to attract attention to the problem and to provide systematic arguments in favor of a healthcare system that is serving patients' needs more appropriately. Reactions to the Memorandum were numerous, divergent in their evaluations, often constructive, and frequently emotionally heated. Read More

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November 2018

Surgineering: a new type of collaboration among surgeons and engineers.

Int J Comput Assist Radiol Surg 2018 Dec 11. Epub 2018 Dec 11.

Chair of Micro Technology and Medical Device Technology, TUM Department of Mechanical Engineering, Technische Universität München, Boltzmannstraße 3, 85748, Garching bei München, Germany.

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December 2018
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Emerging Immunotherapies for Parkinson Disease.

Neurol Ther 2018 Dec 11. Epub 2018 Dec 11.

Neurologische Klinik der Ruhr-Universität Bochum, St. Josef-Hospital, Bochum, Germany.

Symptomatic treatment options for Parkinson disease have steadily improved, and individualized therapeutic approaches are becoming established for every stage of the disease. However, disease-modifying therapy with a causal approach is still unavailable. The central causative role of alpha-synuclein pathology, including its progressive spread to most areas of the CNS, has been widely recognized, and a strong involvement of immune responses has recently been discovered. Read More

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December 2018

High short-term return to sports rate despite an ongoing healing process after acute meniscus repair in young athletes.

Knee Surg Sports Traumatol Arthrosc 2018 Dec 11. Epub 2018 Dec 11.

Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany.

Purpose: Acute meniscus repair in young athletes is always a challenge due to the long rehabilitation process and time to return to sport (RTS). The purpose was to investigate signal alterations in short-term follow-up after acute meniscus repair on specific magnetic resonance imaging (MRI) scan sequences. It was hypothesized that (1) MRI signal changes over the first postoperative healing phase and represent a continuous healing process and (2) meniscus healing properties correlates with clinical outcomes and RTS. Read More

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December 2018

No effect of sex on ethanol intake and preference after dopamine transporter (DAT) knockdown in adult mice.

Psychopharmacology (Berl) 2018 Dec 12. Epub 2018 Dec 12.

Division of Biochemistry, Department of Medicine, University of Fribourg, 1700, Fribourg, Switzerland.

Rationale: Dopamine levels are controlled in part by transport across the cell membrane by the dopamine transporter (DAT), and recent evidence showed that a polymorphism in the gene encoding DAT is associated with alcoholism. However, research in animal models using DAT knockout mice has yielded conflicting results.

Objectives: The present study was planned to evaluate the effects of DAT knockdown in the nucleus accumbens (Nacc) on voluntary ethanol consumption and preference in male and female C57BL/6J mice. Read More

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December 2018

Femoral neck fractures in old age treated with hemiarthroplasty : Effects of preoperative waiting time and timing of surgery on the risk of periprosthetic infections.

Orthopade 2018 Dec 11. Epub 2018 Dec 11.

Department of Orthopedic Surgery, Traumatology and Plastic Surgery, University Hospital Leipzig, Liebigstraße 20, 04103, Leipzig, Germany.

Background: Hemiarthroplasty is an established treatment for femoral neck fractures (FNF) in old age; however, approximately 20-30% of patients die within 1 year after surgery. Periprosthetic joint infections (PJI) are one of the severest complications and associated with a high mortality rate. In this retrospective study of aged patients with FNF treated with hemiarthroplasty, the incidence of PJI was evaluated with respect to the influence of the delay to and timing of surgical treatment. Read More

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December 2018

[Patellar sleeve fractures : Bracing and augmentation technique with suture tape].

Oper Orthop Traumatol 2018 Dec 11. Epub 2018 Dec 11.

Abteilung für Sportorthopädie, Klinikum rechts der Isar, Ismaninger Str. 22, 81675, München, Deutschland.

Objective: Transosseous augmentation of patellar sleeve fractures (PSF) with suture tape in young athletes.

Indications: Acute avulsions of the proximal or distal patellar pol with clinical relevant deficit of knee extension.

Contraindications: Local infections, severe soft tissue damage (relative contraindication), fractures of the patella or tibial tuberosity. Read More

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December 2018
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Predictive Factors for Vitamin D Concentrations in Swiss Athletes: A Cross-sectional Study.

Sports Med Int Open 2018 Sep 25;2(5):E148-E156. Epub 2018 Sep 25.

Epidemiology, Biostatistics and Prevention Institute, University of Zürich, Zürich, Switzerland.

Vitamin D concentrations corresponding to 75 nmol/L 25(OH)D have been associated with maintained muscle function, growth and regeneration, optimal bone health and immunology in athletes. The objective of this study was to investigate the prevalence and predictors of insufficient 25(OH)D concentrations in athletes. Six hundred three Swiss athletes were assessed. Read More

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September 2018
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Dealing with flawed items in examinations: Using the compensation of disadvantage as used in German state examinations in items with partial credit scoring.

Authors:
Andreas Möltner

GMS J Med Educ 2018 15;35(4):Doc49. Epub 2018 Nov 15.

Medizinische Fakultät Heidelberg, Kompetenzzentrum für Prüfungen in der Medizin, Heidelberg, Germany.

In the written part of German state exams, multiple choice questions which inherit a flaw are not always excluded but taken into consideration when awarding a grade to any individual candidate, if this is advantageous to the candidate. This process of elimination and compensation of disadvantage in flawed questions, as applied by the Institut für medizinische und pharmazeutische Prüfungsfragen (IMPP), can lead to being taken into consideration in the grading and to the application of . This procedure is applied here to examinations containing items with partial credit scoring. Read More

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November 2018

School-related experience and performance with inflammatory bowel disease: results from a cross-sectional survey in 675 children and their parents.

BMJ Open Gastroenterol 2018 24;5(1):e000236. Epub 2018 Nov 24.

Division of Epidemiology and Biometry, Medical Faculty, Carl von Ossietzky University Oldenburg, Oldenburg, Germany.

Objective: We describe school performance and experience in children with inflammatory bowel disease (IBD) across Germany and Austria. Predictors of compromised performance and satisfaction were evaluated to identify subgroups of increased risk.

Design: This cross-sectional analysis was based on a postal survey in children aged 10-15 with Crohn's disease, ulcerative colitis or unclassified IBD and their families. Read More

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November 2018

Omega-9 Oleic Acid, the Main Compound of Olive Oil, Mitigates Inflammation during Experimental Sepsis.

Oxid Med Cell Longev 2018 13;2018:6053492. Epub 2018 Nov 13.

Laboratório de Imunofarmacologia, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, RJ, Brazil.

The Mediterranean diet, rich in olive oil, is beneficial, reducing the risk of cardiovascular diseases and cancer. Olive oil is mostly composed of the monounsaturated fatty acid omega-9. We showed omega-9 protects septic mice modulating lipid metabolism. Read More

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November 2018

Circulating Semaphorin 4D as a Marker for Predicting Radiographic Progression in Patients with Rheumatoid Arthritis.

Dis Markers 2018 14;2018:2318386. Epub 2018 Nov 14.

Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.

Semaphorin 3A (Sema3A) and semaphorin 4D (Sema4D) are molecules which regulate immune responses as well as bone remodeling process. The aim of this study was to evaluate the serum levels of Sema3A and Sema4D and to investigate their clinical significance in rheumatoid arthritis (RA). The serum levels of Sema3A and Sema4D were measured in 130 patients with RA and 65 sex- and age-matched healthy individuals. Read More

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November 2018

Migration phenology determines niche use of East Asian buntings (Emberizidae) during stopover.

Curr Zool 2018 Dec 6;64(6):681-692. Epub 2018 Feb 6.

Institute of Avian Research "Vogelwarte Helgoland", An der Vogelwarte 21, Wilhelmshaven, Germany.

Stopover niche utilization of birds during migration has not gained much attention so far, since the majority of the studies focuses on breeding or wintering areas. However, stopover sites are crucial for migratory birds. They are often used by a multitude of species, which could lead to increased competition. Read More

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December 2018

Seasonal and ecohydrological regulation of active microbial populations involved in DOC, CO, and CH fluxes in temperate rainforest soil.

ISME J 2018 Dec 11. Epub 2018 Dec 11.

Department of Microbiology & Immunology, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada.

The Pacific coastal temperate rainforest (PCTR) is a global hot-spot for carbon cycling and export. Yet the influence of microorganisms on carbon cycling processes in PCTR soil is poorly characterized. We developed and tested a conceptual model of seasonal microbial carbon cycling in PCTR soil through integration of geochemistry, micro-meteorology, and eukaryotic and prokaryotic ribosomal amplicon (rRNA) sequencing from 216 soil DNA and RNA libraries. Read More

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December 2018

Reversible and selective ion intercalation through the top surface of few-layer MoS.

Nat Commun 2018 12 11;9(1):5289. Epub 2018 Dec 11.

Department of Materials Science and Engineering, Stanford University, Stanford, California, 94305, USA.

Electrochemical intercalation of ions into the van der Waals gap of two-dimensional (2D) layered materials is a promising low-temperature synthesis strategy to tune their physical and chemical properties. It is widely believed that ions prefer intercalation into the van der Waals gap through the edges of the 2D flake, which generally causes wrinkling and distortion. Here we demonstrate that the ions can also intercalate through the top surface of few-layer MoS and this type of intercalation is more reversible and stable compared to the intercalation through the edges. Read More

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December 2018
6 Reads

[Use of Negative Pressure Wound Therapy with Instillation and Dwell Time for Wound Treatment - Results of an Expert Consensus Conference].

Zentralbl Chir 2018 Dec 11;143(6):609-616. Epub 2018 Dec 11.

Unfallchirurgie, Bundeswehrkrankenhaus Berlin, Deutschland.

Rinsing wounds with wound cleansing solutions has long been a recognised cornerstone in wound management as a means of removing cell debris and surface pathogens in wound exudates. In combination with surgical debridement and topical negative pressure wound therapy (NPWT), this can facilitate the intended progression from the inflammatory to the proliferative phase of wound healing. Procedures of topical negative pressure wound therapy with instillation and a defined exposure/dwell-time of topical solutions under cyclic compression and decompression with foam dressings (NPWTi-d) can remove cellular remnants and debris that may inhibit the healing process. Read More

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December 2018
1 Read

[Transcranial direct current stimulation (tDCS) for obsessive-compulsive disorder: A new treatment option?]

Fortschr Neurol Psychiatr 2018 Dec 11. Epub 2018 Dec 11.

Klinik und Poliklinik für Psychiatrie und Psychotherapie, Klinikum der Universität München.

More than 40 % of patients with obsessive-compulsive disorder (OCD) do not respond to established treatments despite advances in psychopharmacology and psychotherapy. Since a couple of years, non-invasive brain stimulation techniques gain importance in the treatment of psychiatric disorders. Transcranial direct current stimulation (tDCS) uses weak constant direct current to modulate neuronal activation and changes the function of neuronal networks. Read More

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December 2018
1 Read

[Coercion and aggression in psychiatry: the individual psychological dimension of aggressive and coercive acts by therapists].

Fortschr Neurol Psychiatr 2018 Dec 11. Epub 2018 Dec 11.

Klinik für Psychiatrie, Psychotherapie und Präventivmedizin, LWL-Universitätsklinikum der Ruhr-Universität Bochum.

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December 2018

Diabetes-induced neuropathic mechanical hyperalgesia depends on P2X4 receptor activation in Dorsal Root Ganglia.

Neuroscience 2018 Dec 8. Epub 2018 Dec 8.

Department of Structural and Functional Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas, SP, Brazil. Electronic address:

Peripheral diabetic neuropathy (PDN) manifests in 50-60% of type I and II diabetic patients and is the major cause of limb amputation. Adequate therapy for PDN is a current challenge. There are evidences that the activation of the P2X4 receptor (P2X4R) expressed on microglial cells of the central nervous system takes part in the development of neuropathic pain. Read More

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December 2018
1 Read

Update Dermatologische Lasertherapie 2018 I - Epilation, Gefäße und Pigmente.

J Dtsch Dermatol Ges 2018 Dec;16(12):1417-1424

Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Leipzig AöR und Medizinische Fakultät der Universität Leipzig.

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December 2018

Rezidivierendes akutes hämorrhagisches Ödem des Kindesalters (AHEI) in der Pubertät.

J Dtsch Dermatol Ges 2018 Dec;16(12):1496-1498

Abteilung für Translationale Dermatoinfektiologie, Universitätsklinikum Münster.

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December 2018

Patientencharakteristika der dermatologischen Notfallambulanz an einer Universitätsklinik in Deutschland.

J Dtsch Dermatol Ges 2018 Dec;16(12):1451-1458

Klinik für Dermatologie und Venerologie, Universitätsklinikum Freiburg und Medizinische Fakultät, Universität Freiburg, Deutschland.

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December 2018

Nomenklatur der kutanen Vaskulitiden - deutschsprachige Definitionen des Dermatologischen Anhanges zur Chapel Hill Consensus Conference.

J Dtsch Dermatol Ges 2018 Dec;16(12):1425-1433

Klinik für Dermatologie und Venerologie, Universitätsklinik Innsbruck, Innsbruck, Österreich.

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December 2018

Sequenzielles Auftreten einer primären und sekundären Hypothyreose unter Therapie mit Nivolumab: Fallstricke in der immunonkologischen Therapie und endokrinologischen Diagnostik.

J Dtsch Dermatol Ges 2018 Dec;16(12):1483-1485

Klinik für Dermatologie und Venerologie, Universitätsklinikum Freiburg und Medizinische Fakultät, Universität Freiburg.

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December 2018

IL-37 alleviates house dust mite-induced chronic allergic asthma by targeting TSLP through the NF-κB & ERK1/2 signaling pathways.

Immunol Cell Biol 2018 Dec 11. Epub 2018 Dec 11.

Department of Pulmonary Diseases, The Third Affiliated Hospital of Sun Yat-Sen University, Institute of Respiratory Diseases of Sun Yat, Sen University, Guangzhou, China.

Interleukin (IL)-37 has been described as a negative regulator of immune responses and is critical for asthma pathogenesis, but the mechanisms behind the protective role of IL-37 against allergic asthma are less well understood. We show here that IL-37 administered intranasally (i.n. Read More

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December 2018

Site-Selective and van der Waals Epitaxial Growth of Rhenium Disulfide on Graphene.

Small 2018 Dec 11:e1804133. Epub 2018 Dec 11.

Department of Energy Engineering, School of Energy and Chemical Engineering, Low Dimensional Carbon Materials Center, Perovtronics Research Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.

The surface property of growth substrate imposes significant influence in the growth behaviors of 2D materials. Rhenium disulfide (ReS ) is a new family of 2D transition metal dichalcogenides with unique distorted 1T crystal structure and thickness-independent direct bandgap. The role of growth substrate is more critical for ReS owing to its weak interlayer coupling property, which leads to preferred growth along the out-of-plane direction while suppressing the uniform in-plane growth. Read More

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December 2018
4 Reads

The diversity of population responses to environmental change.

Ecol Lett 2018 Dec 9. Epub 2018 Dec 9.

Université Lyon 1, CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, F-69622, Villeurbanne, France.

The current extinction and climate change crises pressure us to predict population dynamics with ever-greater accuracy. Although predictions rest on the well-advanced theory of age-structured populations, two key issues remain poorly explored. Specifically, how the age-dependency in demographic rates and the year-to-year interactions between survival and fecundity affect stochastic population growth rates. Read More

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December 2018

Continued use of poliovirus after eradication: hyper-attenuated strains as a safe alternative for release testing of human immunoglobulins.

Transfusion 2018 Dec;58 Suppl 3:3084-3089

Global Pathogen Safety, Vienna, Austria.

Background: Wild-type poliovirus may be eradicated soon and under WHO GAPIII guidance, laboratory use will be discontinued or subject to strict containment. Per US Code of Federal Regulations, however, immunoglobulin lot release testing will still require use of replicating poliovirus. The suitability of S19 hyper-attenuated and apathogenic poliovirus strains as alternatives to the currently used wild-type virus in such a release assay was investigated. Read More

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December 2018

[Speech and Language Disorders in the Elderly].

Authors:
Arno Olthoff

Laryngorhinootologie 2018 Dec 10;97(12):846-851. Epub 2018 Dec 10.

Phoniatrie und Pädaudiologie Göttingen, Klinik für Hals-, Nasen- und Ohrenheilkunde.

Cerebrovascular insults and neurodegenerative diseases are the main causes of acquired speech and language disorders. A massive increase in the prevalence of both is evident from the age of 65 years. By the age of 90 years, more than 10 % of the population would have experienced a stroke and 30 % would have suffered from neurodegenerative diseases. Read More

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December 2018

Der Stimmlippenpolyp.

Authors:
Tadeus Nawka

Laryngorhinootologie 2018 Dec 10;97(12):836-837. Epub 2018 Dec 10.

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December 2018

[Registry Research Funding of the German Society of Plastic, Reconstructive and Aesthetic Surgeons (DGPRÄC) and Research Funding Report 2017/2018].

Handchir Mikrochir Plast Chir 2018 Dec 10. Epub 2018 Dec 10.

Klinik und Poliklinik für Plastische, Hand- und Wiederherstellungschirurgie, Medizinische Hochschule Hannover.

Introduction: This report serves to publicize the research of academic institutions for Plastic Surgery within our society DGPRÄC in 2017/2018 and sequels the funding report of 2015/2016. Applications to public, non-public, or industrial funding organizations were evaluated. At the same time, this paper analyses the number of approved DFG applications in Plastic, Thoracic and Vascular Surgery in the GEPRIS system. Read More

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December 2018

Hyperplastic polyps and nonadvanced adenomas, but not advanced polypoid lesions, are detected more frequently in the presence of colonic diverticula during screening colonoscopies.

Z Gastroenterol 2018 Dec 10;56(12):1475-1480. Epub 2018 Dec 10.

Department of Gastroenterology and Hepatology, University Hospital Cologne, Germany.

Hintergrund:  Die bisher veröffentlichte Studienlage zur Assoziation von Kolondivertikeln und kolorektalen Polypen einschließlich des kolorektalen Karzinoms (KRK) ist konträr. Ziel der Studie war es, die Assoziation für sämtliche relevanten histologischen Polypensubtypen, d. h. Read More

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December 2018

[Medicine and Economy Today].

Authors:
S Ewig

Pneumologie 2018 Dec 7. Epub 2018 Dec 7.

Thoraxzentrum Ruhrgebiet, Bochum.

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December 2018

[A Pioneer of Anatomy - Dryander of Marburg (1500 -1560) and the Anatomic Illustration of the Lung].

Authors:
U Koehler

Pneumologie 2018 Dec 7. Epub 2018 Dec 7.

Klinik für Innere Medizin, SP Pneumologie, Intensiv- und Schlafmedizin, Philipps-Universität, Marburg.

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December 2018

Tunable Electric Properties of Bilayer α-GeTe with Different Interlayer Distances and External Electric Fields.

Nanoscale Res Lett 2018 Dec 7;13(1):400. Epub 2018 Dec 7.

Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan, 430072, China.

Based on first-principle calculations, the stability, electronic structure, optical absorption, and modulated electronic properties by different interlayer distances or by external electric fields of bilayer α-GeTe are systemically investigated. Results show that van der Waals (vdW) bilayer α-GeTe has an indirect band structure with the gap value of 0.610 eV, and α-GeTe has attractively efficient light harvesting. Read More

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December 2018
1 Read