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https://www.readbyqxmd.com/read/28728110/development-of-a-bioanalytical-test-battery-for-water-quality-monitoring-fingerprinting-identified-micropollutants-and-their-contribution-to-effects-in-surface-water
#1
Peta A Neale, Rolf Altenburger, Selim Aït-Aïssa, François Brion, Wibke Busch, Gisela de Aragão Umbuzeiro, Michael S Denison, David Du Pasquier, Klára Hilscherová, Henner Hollert, Daniel A Morales, Jiří Novák, Rita Schlichting, Thomas-Benjamin Seiler, Helene Serra, Ying Shao, Andrew J Tindall, Knut Erik Tollefsen, Timothy D Williams, Beate I Escher
Surface waters can contain a diverse range of organic pollutants, including pesticides, pharmaceuticals and industrial compounds. While bioassays have been used for water quality monitoring, there is limited knowledge regarding the effects of individual micropollutants and their relationship to the overall mixture effect in water samples. In this study, a battery of in vitro bioassays based on human and fish cell lines and whole organism assays using bacteria, algae, daphnids and fish embryos was assembled for use in water quality monitoring...
July 9, 2017: Water Research
https://www.readbyqxmd.com/read/28727869/solid-tissue-simulating-phantoms-having-absorption-at-970%C3%A2-nm-for-diffuse-optics
#2
Gordon T Kennedy, Griffin R Lentsch, Brandon Trieu, Adrien Ponticorvo, Rolf B Saager, Anthony J Durkin
No abstract text is available yet for this article.
July 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28725178/different-forms-of-ampa-receptor-mediated-ltp-and-their-correlation-to-the-spatial-working-memory-formation
#3
Derya R Shimshek, Thorsten Bus, Bettina Schupp, Vidar Jensen, Verena Marx, Liliana E Layer, Georg Köhr, Rolf Sprengel
Spatial working memory (SWM) and the classical, tetanus-induced long-term potentiation (LTP) at hippocampal CA3/CA1 synapses are dependent on L-α-amino-3-hydroxy-5-methylisoxazole-4-propionate receptors (AMPARs) containing GluA1 subunits as demonstrated by knockout mice lacking GluA1. In GluA1 knockout mice LTP and SWM deficits could be partially recovered by transgenic re-installation of full-length GluA1 in principle forebrain neurons. Here we partially restored hippocampal LTP in GluA1-deficient mice by forebrain-specific depletion of the GluA2 gene, by the activation of a hypomorphic GluA2(Q) allele and by transgenic expression of PDZ-site truncated GFP-GluA1(TG)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28724584/vcp-related-multisystem-proteinopathy-presenting-as-early-onset-parkinson-disease
#4
Martin Regensburger, Matthias Türk, Axel Pagenstecher, Rolf Schröder, Jürgen Winkler
No abstract text is available yet for this article.
July 19, 2017: Neurology
https://www.readbyqxmd.com/read/28724405/environmental-drivers-of-viral-community-composition-in-antarctic-soils-identified-by-viromics
#5
Evelien M Adriaenssens, Rolf Kramer, Marc W Van Goethem, Thulani P Makhalanyane, Ian Hogg, Don A Cowan
BACKGROUND: The Antarctic continent is considered the coldest and driest place on earth with simple ecosystems, devoid of higher plants. Soils in the ice-free regions of Antarctica are known to harbor a wide range of microorganisms from primary producers to grazers, yet their ecology and particularly the role of viruses is poorly understood. In this study, we examined the virus community structures of 14 soil samples from the Mackay Glacier region. METHODS: Viral communities were extracted from soil and the dsDNA was extracted, amplified using single-primer amplification, and sequenced using the Ion Torrent Proton platform...
July 19, 2017: Microbiome
https://www.readbyqxmd.com/read/28723386/foam-adsorption-as-an-ex-situ-capture-step-for-surfactants-produced-by-fermentation
#6
Iva Anic, Arijit Nath, Pedro Franco, Rolf Wichmann
In this report, a method for a simultaneous production and separation of a microbially synthesized rhamnolipid biosurfactant is presented. During the aerobic cultivation of flagella-free Pseudomonas putida EM383 in a 3.1L stirred tank reactor on glucose as a sole carbon source, rhamnolipids are produced and excreted into the fermentation liquid. Here, a strategy for biosurfactant capture from rhamnolipid enriched fermentation foam using hydrophobic-hydrophobic interaction was investigated. Five adsorbents were tested independently for the application of this capture technique and the best performing adsorbent was tested in a fermentation process...
July 16, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28722572/handwashing-in-51-countries-analysis-of-proxy-measures-of-handwashing-behavior-in-multiple-indicator-cluster-surveys-and-demographic-and-health-surveys-2010-2013
#7
Swapna Kumar, Libbet Loughnan, Rolf Luyendijk, Orlando Hernandez, Merri Weinger, Fred Arnold, Pavani K Ram
In 2009, a common set of questions addressing handwashing behavior was introduced into nationally representative Demographic and Health Surveys (DHS) and Multiple Indicator Cluster Surveys (MICS), providing large amounts of comparable data from numerous countries worldwide. The objective of this analysis is to describe global handwashing patterns using two proxy indicators for handwashing behavior from 51 DHS and MICS surveys conducted in 2010-2013: availability of soap anywhere in the dwelling and access to a handwashing place with soap and water...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28720659/microbleeds-cerebral-hemorrhage-and-functional-outcome-after-stroke-thrombolysis-individual-patient-data-meta-analysis
#8
Andreas Charidimou, Guillaume Turc, Catherine Oppenheim, Shenqiang Yan, Jan F Scheitz, Hebun Erdur, Pascal P Klinger-Gratz, Marwan El-Koussy, Wakoh Takahashi, Yusuke Moriya, Duncan Wilson, Chelsea S Kidwell, Jeffrey L Saver, Asma Sallem, Solene Moulin, Myriam Edjlali-Goujon, Vincent Thijs, Zoe Fox, Ashkan Shoamanesh, Gregory W Albers, Heinrich P Mattle, Oscar R Benavente, H Rolf Jäger, Gareth Ambler, Junya Aoki, Jean-Claude Baron, Kazumi Kimura, Wataru Kakuda, Shunya Takizawa, Simon Jung, Christian H Nolte, Min Lou, Charlotte Cordonnier, David J Werring
BACKGROUND AND PURPOSE: We assessed whether the presence, number, and distribution of cerebral microbleeds (CMBs) on pre-intravenous thrombolysis MRI scans of acute ischemic stroke patients are associated with an increased risk of intracerebral hemorrhage (ICH) or poor functional outcome. METHODS: We performed an individual patient data meta-analysis, including prospective and retrospective studies of acute ischemic stroke treated with intravenous tissue-type plasminogen activator...
July 18, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28719609/renal-function-following-xenon-anesthesia-for-partial-nephrectomy-an-explorative-analysis-of-a-randomized-controlled-study
#9
Ana Stevanovic, Patrick Schaefer, Mark Coburn, Rolf Rossaint, Christian Stoppe, Peter Boor, David Pfister, Axel Heidenreich, Hildegard Christ, Martin Hellmich, Astrid V Fahlenkamp
BACKGROUND: Perioperative preservation of renal function has a significant impact on morbidity and mortality in kidney surgery. Nephroprotective effects of the anesthetic xenon on ischemia-reperfusion injury were found in several experimental studies. OBJECTIVE: We aimed to explore whether xenon anesthesia can reduce renal damage in humans undergoing partial nephrectomy and to gather pilot data of possible nephroprotection in these patients. DESIGN: A prospective randomized, single-blinded, controlled study...
2017: PloS One
https://www.readbyqxmd.com/read/28718606/-interventional-treatment-of-venous-insufficiency
#10
Barbara Ney, Rolf P Engelberger, Amin Dabiri, Jean-François Lüthi, Andreas Erdmann, Caroline Krieger, Sébastien Déglise, Thierry Merminod, Philippe Kern, Lucia Mazzolai
Interventional treatment of venous insufficiency has been revolutionized by endovascular techniques. Some of these techniques, and particularly thermal ablation (endovenous laser, radiofrequency) are now recommended as first-line therapy in the latest international guidelines. This is because of less post-operative pain, a shorter leave from employment and similar or lower recurrence rate. Endovenous techniques allow safer and more efficient treatment of certain particular conditions : small saphenous vein, ulcers, and recurrent varicose veins...
March 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28718444/tumor-host-cell-interactions-in-ovarian-cancer-pathways-to-therapy-failure
#11
REVIEW
Elke Pogge von Strandmann, Silke Reinartz, Uwe Wager, Rolf Müller
Although most ovarian cancer patients are highly responsive to chemotherapy, they frequently present with recurrent metastatic lesions that result in poor overall survival, a situation that has not changed in the last 20 years. This review discusses new insights into the regulation of ovarian cancer chemoresistance with a focus on the emerging role of immune and other host cells. Here, we summarize the complex molecular pathways that regulate the interaction between tumor and host cells, discuss the limitations of current in vitro and in vivo models for translational studies, and present perspectives for the development of innovative therapies...
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28715662/preaged-remodeling-of-myofibrillar-cytoarchitecture-in-skeletal-muscle-expressing-r349p-mutant-desmin
#12
Stefanie Diermeier, Andreas Buttgereit, Sebastian Schürmann, Lilli Winter, Hongyang Xu, Robyn M Murphy, Christoph S Clemen, Rolf Schröder, Oliver Friedrich
The majority of hereditary and acquired myopathies are clinically characterized by progressive muscle weakness. We hypothesized that ongoing derangement of skeletal muscle cytoarchitecture at the single fiber level may precede and be responsible for the progressive muscle weakness. Here, we analyzed the effects of aging in wild-type (wt) and heterozygous (het) and homozygous (hom) R349P desmin knock-in mice. The latter harbor the ortholog of the most frequently encountered human R350P desmin missense mutation...
June 13, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28715488/microrna-dependent-and-independent-deregulation-of-long-non-coding-rnas-by-an-oncogenic-herpesvirus
#13
Sunantha Sethuraman, Lauren Appleby Gay, Vaibhav Jain, Irina Haecker, Rolf Renne
Kaposi's sarcoma (KS) is a highly prevalent cancer in AIDS patients, especially in sub-Saharan Africa. Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of KS and other cancers like Primary Effusion Lymphoma (PEL). In KS and PEL, all tumors harbor latent KSHV episomes and express latency-associated viral proteins and microRNAs (miRNAs). The exact molecular mechanisms by which latent KSHV drives tumorigenesis are not completely understood. Recent developments have highlighted the importance of aberrant long non-coding RNA (lncRNA) expression in cancer...
July 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28714775/the-implementation-of-guided-internet-based-cognitive-behaviour-therapy-for-panic-disorder-in-a-routine-care-setting-effectiveness-and-implementation-efforts
#14
Tine Nordgreen, Rolf Gjestad, Gerhard Andersson, Per Carlbring, Odd E Havik
Panic disorder is a common mental disorder. Guided Internet-based cognitive behavioural therapy (Guided Internet-based cognitive behaviour therapy (ICBT)) is a promising approach to reach more people in need of help. In the present effectiveness study, we investigated the outcome of guided ICBT for panic disorder after implementation in routine care. A total of 124 patients were included in the study, of which 114 started the treatment. Large within-group effect sizes were observed on the primary panic disorder symptoms (post-treatment: d = 1...
July 17, 2017: Cognitive Behaviour Therapy
https://www.readbyqxmd.com/read/28713294/screening-for-adult-attention-deficit-hyperactivity-disorder-in-a-psychiatric-outpatient-population-with-specific-focus-on-sex-differences
#15
Salvatore Corbisiero, Raffaela M Hartmann-Schorro, Anita Riecher-Rössler, Rolf-Dieter Stieglitz
BACKGROUND/AIMS: Attention-deficit/hyperactivity disorder (ADHD) is often overlooked in adults; moreover, the problem seems to be even more critical in women. In the present, observational screening study, a clinical, particularly adult outpatient population was examined regarding frequency and severity of a likely ADHD, whereby sex differences were of particular interest. METHODS: 224 participants, 146 men and 78 women, were included. Based on data recorded with the self-rating WHO screening instrument Adult ADHD Self-Report Scale (ASRS-v1...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28712571/hierarchical-status-predicts-behavioral-vulnerability-and-nucleus-accumbens-metabolic-profile-following-chronic-social-defeat-stress
#16
Thomas Larrieu, Antoine Cherix, Aranzazu Duque, João Rodrigues, Hongxia Lei, Rolf Gruetter, Carmen Sandi
Extensive data highlight the existence of major differences in individuals' susceptibility to stress [1-4]. While genetic factors [5, 6] and exposure to early life stress [7, 8] are key components for such neurobehavioral diversity, intriguing observations revealed individual differences in response to stress in inbred mice [9-12]. This raised the possibility that other factors might be critical in stress vulnerability. A key challenge in the field is to identify non-invasively risk factors for vulnerability to stress...
July 10, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28711754/stability-and-priority-of-symptoms-and-symptom-clusters-among-allogeneic-hsct-patients-within-a-5-year-longitudinal-study
#17
Peter Esser, Katharina Kuba, Angela Scherwath, Christoffer Johansen, Anke Schwinn, Lena Schirmer, Frank Schulz-Kindermann, Margitta Kruse, Uwe Koch, Axel Rolf Zander, Nicolaus Kröger, Heide Götze, Anja Mehnert
CONTEXT: Due to toxicity and invasiveness, allogeneic HSCT causes severe and longstanding symptom burden. Longitudinal studies on symptoms and symptom clusters (SC) would be helpful to optimize symptom control, but are rare to date. OBJECTIVES: To investigate stability of symptoms, extract time stable SC and to determine their priority in symptom management. METHODS: In this multicenter study, patients diagnosed with hematological cancer were assessed before conditioning (T0) and three months (T1), one year (T2) and five years (T3) after transplantation...
July 12, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28710454/stability-of-buried-carbon-in-deep-ploughed-forest-and-cropland-soils-implications-for-carbon-stocks
#18
Viridiana Alcántara, Axel Don, Lars Vesterdal, Reinhard Well, Rolf Nieder
Accumulation of soil organic carbon (SOC) may play a key role in climate change mitigation and adaptation. In particular, subsoil provides a great potential for additional SOC storage due to the assumed higher stability of subsoil SOC. The fastest way in which SOC reaches the subsoil is via burial, e.g. via erosion or deep ploughing. We assessed the effect of active SOC burial through deep ploughing on long-term SOC stocks and stability in forest and cropland subsoil. After 25-48 years, deep-ploughed subsoil contained significantly more SOC than reference subsoils, in both forest soil (+48%) and cropland (+67%)...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709404/accounting-for-treatment-use-when-validating-a-prognostic-model-a-simulation-study
#19
Romin Pajouheshnia, Linda M Peelen, Karel G M Moons, Johannes B Reitsma, Rolf H H Groenwold
BACKGROUND: Prognostic models often show poor performance when applied to independent validation data sets. We illustrate how treatment use in a validation set can affect measures of model performance and present the uses and limitations of available analytical methods to account for this using simulated data. METHODS: We outline how the use of risk-lowering treatments in a validation set can lead to an apparent overestimation of risk by a prognostic model that was developed in a treatment-naïve cohort to make predictions of risk without treatment...
July 14, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28707948/interpretation-and-utility-of-the-moments-of-small-angle-x-ray-scattering-distributions
#20
Peter Modregger, Matias Kagias, Sarah C Irvine, Rolf Brönnimann, Konstantins Jefimovs, Marco Endrizzi, Alessandro Olivo
Small angle x-ray scattering has been proven to be a valuable method for accessing structural information below the spatial resolution limit implied by direct imaging. Here, we theoretically derive the relation that links the subpixel differential phase signal provided by the sample to the moments of scattering distributions accessible by refraction sensitive x-ray imaging techniques. As an important special case we explain the scatter or dark-field contrast in terms of the sample's phase signal. Further, we establish that, for binary phase objects, the nth moment scales with the difference of the refractive index decrement to the power of n...
June 30, 2017: Physical Review Letters
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