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https://www.readbyqxmd.com/read/28813050/on-surface-synthesis-of-heptacene-and-its-interaction-with-a-metal-surface
#1
Malte Zugermeier, Manuel Gruber, Martin Schmid, Benedikt P Klein, Lukas Ruppenthal, Philipp Müller, Ralf Einholz, Wolfgang Hieringer, Richard Berndt, Holger F Bettinger, J Michael Gottfried
Heptacene was generated by surface-assisted didecarbonylation of an α-diketone precursor on a Ag(111) surface. Monitoring of the surface reaction and characterization of the adsorbed heptacene was performed with scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS), near-edge X-ray absorption fine structure (NEXAFS) spectroscopy, and density functional theory (DFT) calculations. The surface-assisted formation of heptacene occurs around 460 K. Both the heptacene and the precursor molecules are oriented along the high-symmetry directions of the (111) surface and their molecular π systems face towards the substrate...
August 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/28812421/right-hemispatial-ipsilesional-neglect-with-chronic-right-hemisphere-strokes
#2
John B Williamson, Damon G Lamb, D Brandon Burtis, Salsabil Haque, Eduardo M Zilli, Tigran Kesayan, Michal Harciarek, Kenneth M Heilman
BACKGROUND: Patients who present with spatial neglect after stroke often perform normally on tests for neglect after a few weeks. Whereas tests for neglect are often performed directly in front of a patient, in their actual environments many important stimuli may be present within their left or right hemispace. The presence and severity of neglect often depends on the hemisphere injured. It is possible, in chronic stroke, for spatial judgments to be influenced by an interaction of stroke laterality and the spatial location of stimuli...
August 16, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28812041/anthropometric-and-skeletal-parameters-predict-2-strand-semitendinosus-tendon-size-in-double-bundle-anterior-cruciate-ligament-reconstruction
#3
Daisuke Chiba, Eiichi Tsuda, Shizuka Sasaki, Xizhe Liu, Yasuyuki Ishibashi
BACKGROUND: Few studies have examined whether skeletal parameters predict hamstring graft size during anterior cruciate ligament reconstruction (ACLR). PURPOSE/HYPOTHESIS: The purpose of this study was to examine whether preoperative anthropometric and radiographic skeletal parameters could predict hamstring graft size during ACLR. We hypothesized that both anthropometric and skeletal parameters can be used to predict graft size in our double-bundle procedure and that the use of skeletal parameters will improve the accuracy of graft size prediction...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28811978/development-and-characterization-of-naive-single-type-tumor-antigen-specific-cd8-t-lymphocytes-from-murine-pluripotent-stem-cells
#4
Fengyang Lei, Mohammad Haque, Praneet Sandhu, Swetha Ravi, Jianyong Song, Bing Ni, Songguo Zheng, Deyu Fang, Hongyan Jia, Jin-Ming Yang, Jianxun Song
Optimal approaches to differentiate tumor antigen-specific cytotoxic T lymphocytes (CTLs) from pluripotent stem cells (PSCs) remain elusive. In the current study, we showed that combination of in vitro priming through Notch ligands and in vivo development facilitated the generation of tumor Ag-specific CTLs that effectively inhibited tumor growth. We co-cultured the murine induced PSCs (iPSCs) genetically modified with tyrosinase-related protein 2 (TRP2)-specific T cell receptors with OP9 cell line expressing both Notch ligands Delta-like 1 and 4 (OP9-DL1/DL4) for a week before adoptively transferred into recipient C67BL/6 mice...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811490/mammary-tumors-induce-central-pro-inflammatory-cytokine-expression-but-not-behavioral-deficits-in-balb-c-mice
#5
William H Walker Ii, Jeremy C Borniger, Surbhi, Abigail A Zalenski, Stevie L Muscarella, Julie A Fitzgerald, Ning Zhang, Monica M Gaudier-Diaz, A Courtney DeVries
Breast cancer survivors are more likely to develop mood disorders and cognitive deficits than women in the general population. Previous studies suggest that peripheral tumors elicit central pro-inflammatory cytokine production, in turn leading to depression and cognitive deficits. In the current study, two cohorts of female Balb/C mice received bilateral orthotopic injections of syngeneic 67NR, 4T07, or 4T1cells (1 × 10(5) cells per injection) to induce mammary tumors. Approximately three weeks later, learned fear (via fear conditioning) or depressive-like behavior (via tail suspension and forced swim test) was assessed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811179/lateral-frontal-pole-and-relational-processing-activation-patterns-and-connectivity-profile
#6
Bart Hartogsveld, Bob Bramson, Suhas Vijayakumar, A Dilene van Campen, José P Marques, Karin Roelofs, Ivan Toni, Harold Bekkering, Rogier B Mars
The functional contribution of the lateral prefrontal cortex to behavior has been discussed with reference to several higher-order cognitive domains. In a separate line of research, recent studies have focused on the anatomical organization of this part of the brain. However, these different approaches are rarely combined. Here, we combine previous work using anatomical connectivity that identified a lateral subdivision of the human frontal pole and work that suggested a general role for rostrolateral prefrontal cortex in processing higher-order relations, irrespective of the type of information...
August 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28808951/what-is-the-diagnostic-accuracy-of-the-duck-walk-test-in-detecting-meniscal-tears
#7
A Van der Post, J C A Noorduyn, V A B Scholtes, E L A R Mutsaerts
BACKGROUND: Clinical weightbearing provocation tests, like the duck walk test, may be of value in diagnosing or screening for medial meniscal tears. However, evidence of the diagnostic accuracy of the duck walk test is lacking. QUESTIONS/PURPOSES: (1) To determine the sensitivity and specificity of the duck walk test in diagnosing medial meniscal tears. (2) To determine whether tear location, tear cause (traumatic versus degenerative), and ACL insufficiency were associated with differences in the sensitivity and specificity of the test...
August 14, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28807931/identification-of-novel-growth-regulators-in-plant-populations-expressing-random-peptides
#8
Zhilong Bao, Maureen A Clancy, Raquel F Carvalho, Kiona Elliott, Kevin M Folta
The use of chemical genomics approaches allows the identification of small molecules that integrate into biological systems, thereby changing discrete processes that influence growth, development or metabolism. Libraries of chemicals are applied to living systems, and changes in phenotype are observed, potentially leading to the identification of new growth regulators. This work describes an approach that is the nexus of chemical-genomics and synthetic biology. Here each plant in an extensive population synthesizes a unique small peptide arising from a transgene composed of a randomized nucleic acid sequence core, flanked by translational start, stop, and cysteine-encoding (for disulfide cyclization) sequences...
August 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28807791/effects-of-bosutinib-treatment-on-renal-function-in-patients-with-philadelphia-chromosome-positive-leukemias
#9
Jorge E Cortes, Carlo Gambacorti-Passerini, Dong-Wook Kim, Hagop M Kantarjian, Jeff H Lipton, Amit Lahoti, Moshe Talpaz, Ewa Matczak, Elly Barry, Eric Leip, Tim H Brümmendorf, H Jean Khoury
BACKGROUND: The purpose of the study was to assess renal function in patients with Philadelphia chromosome-positive leukemias receiving bosutinib or imatinib. PATIENTS AND METHODS: Patients received first-line bosutinib (n = 248) or imatinib (n = 251; phase III trial), or second-line or later bosutinib (phase I/II trial; n = 570). Adverse events (AEs) and changes from baseline in estimated glomerular filtration rate (eGFR) and serum creatinine were assessed. RESULTS: Time from the last patient's first dose to data cutoff was ≥ 48 months...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28807362/leg-movement-tracking-in-automatic-video-based-one-leg-stance-evaluation
#10
Jacek Kawa, Paula Stępień, Wojciech Kapko, Aleksandra Niedziela, Jarosław Derejczyk
Falls are a major risk in elder population. Early diagnosis is therefore an important step towards increasing the safety of elders. One of the common diagnostic tests is the Berg Balance Scale (BBS), consisting of 14 exercises arranged from the easiest (sitting-to-standing) to the most demanding (one-leg stance). In this study a novel approach to the automatic assessment of the time in which the patient can remain in the one-leg stance position without loosing balance is introduced. The data is collected using a regular video camera...
August 3, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28807326/the-end-of-the-line-antagonistic-attentional-weightings-in-unilateral-neglect
#11
Robert D McIntosh
The line bisection task is widely used in the study of neglect. Some years ago, McIntosh, Schindler, Birchall, & Milner (2005) proposed a radical reframing of this ubiquitous task. Rather than using the traditional measure of directional bisection error, they quantified the sensitivities of the response to the changing locations of the left and right endpoints of the line, expressing these as 'endpoint weightings'. A novel prediction generated from their analysis was that manipulations increasing attention to the left end of the line should cause an increase in the left endpoint weighting and a corresponding reduction in the right endpoint weighting...
July 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28807048/response-to-single-agent-pd-1-inhibitor-after-progression-on-previous-pd-1-pd-l1-inhibitors-a-case-series
#12
Dylan J Martini, Aly-Khan A Lalani, Dominick Bossé, John A Steinharter, Lauren C Harshman, F Stephen Hodi, Patrick A Ott, Toni K Choueiri
BACKGROUND: Monoclonal antibodies targeting the PD-1/PD-L1 axis have gained increasing attention across many solid tumors and hematologic malignancies due to their efficacy and favorable toxicity profile. With more than 1 agent now FDA-approved in a wide variety of tumor types, and with others in clinical trials, it is becoming more common that patients present to clinic for potential treatment with a second PD-1/PD-L1 inhibitor. CASE PRESENTATION: In this report, we present two patients with renal cell carcinoma and one with melanoma who received PD-1/PD-L1 inhibitors...
August 15, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28805962/medicago-truncatula-molybdate-transporter-type-1-mtmot1-3-is-a-plasma-membrane-molybdenum-transporter-required-for-nitrogenase-activity-in-root-nodules-under-molybdenum-deficiency
#13
Manuel Tejada-Jiménez, Patricia Gil-Díez, Javier León-Mediavilla, Jiangqi Wen, Kirankumar S Mysore, Juan Imperial, Manuel González-Guerrero
Molybdenum, as a component of the iron-molybdenum cofactor of nitrogenase, is essential for symbiotic nitrogen fixation. This nutrient has to be provided by the host plant through molybdate transporters. Members of the molybdate transporter family Molybdate Transporter type 1 (MOT1) were identified in the model legume Medicago truncatula and their expression in nodules was determined. Yeast toxicity assays, confocal microscopy, and phenotypical characterization of a Transposable Element from Nicotiana tabacum (Tnt1) insertional mutant line were carried out in the one M...
August 14, 2017: New Phytologist
https://www.readbyqxmd.com/read/28803831/localization-of-connexin-43-gap-junctions-and-hemichannels-in-tanycytes-of-adult-mice
#14
Anett Szilvásy-Szabó, Edina Varga, Zsuzsa Beliczai, Ronald M Lechan, Csaba Fekete
Tanycytes are specialized glial cells lining the lateral walls and the floor of the third ventricle behind the optic chiasm. In addition to functioning as barrier cells, they also have an important role in the regulation of neuroendocrine axes and energy homeostasis. To determine whether tanycytes communicate with each other via Connexin 43 (Cx43) gap junctions, individual tanycytes were loaded with Lucifer yellow (LY) through a patch pipette. In all cases, LY filled a larger group of tanycytes as well as blood vessels adjacent to tanycyte processes...
August 10, 2017: Brain Research
https://www.readbyqxmd.com/read/28803375/lung-ultrasound-in-internal-medicine-efficiently-drives-the-management-of-patients-with-heart-failure-and-speeds-up-the-discharge-time
#15
Chiara Mozzini, Marco Di Dio Perna, Giancarlo Pesce, Ulisse Garbin, Anna Maria Fratta Pasini, Andrea Ticinesi, Antonio Nouvenne, Tiziana Meschi, Alder Casadei, Maurizio Soresi, Luciano Cominacini
Lung ultrasound (LUS) is a valid tool for the assessment of heart failure (HF) through the quantification of the B-lines. This study in HF patients aims to evaluate if LUS: (1) can accelerate the discharge time; (2) can efficiently drive diuretic therapy dosage; and (3) may have better performance compared to the amino-terminal portion of B type natriuretic peptide (NT-proBNP) levels in monitoring HF recovery. A consecutive sample of 120 HF patients was admitted from the Emergency Department (ED) to the Internal Medicine Department (Verona University Hospital)...
August 12, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28802836/neocortical-prodynorphin-expression-is-transiently-increased-with-learning-implications-for-time-and-learning-dependent-neocortical-kappa-opioid-receptor-activation
#16
Ryan Loh, Sean Collins, Roberto Galvez
There are several lines of evidence that indicate a prominent role for the opioid system in the acquisition and consolidation of learned associations. Specifically, kappa opioid receptor (KOR) modulation has been demonstrated to alter various behavioral tasks including whisker trace eyeblink conditioning (WTEB). WTEB is an associative conditioning paradigm in which a neutral conditioned stimulus (CS; Whisker stimulation) is paired following a short stimulus free trace interval with a salient unconditioned stimulus that elicits a blink response (US; Eye shock)...
August 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28802798/most-common-sites-on-mri-of-intracranial-neoplastic-leptomeningeal-disease
#17
J Matthew Debnam, Rory R Mayer, T Linda Chi, Leena Ketonen, Jeffrey S Weinberg, Wei Wei, Morris D Groves, Nandita Guha-Thakurta
Neoplastic leptomeningeal disease (LMD) represents infiltration of the leptomeninges by tumor cells. Knowledge of the frequencies of locations of LMD on MRI may assist in early detection, help elucidate the process of leptomeningeal spread of cancer and understand how LMD affects the central nervous system. Our goal was to identify intracranial sites of neoplastic LMD predilection on MRI in patients with cytologically-proven LMD. The presence of FLAIR signal hyperintensity and T1-weighted post-contrast enhancement in the sulci of the supratentorial compartment and cerebellum and enhancement of the cranial nerves (CNs), basal cisterns, pituitary stalk, and ependymal surface of the lateral ventricles, as well as the presence of parenchymal metastasis were recorded...
August 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28801751/activity-demands-during-multi-directional-team-sports-a-systematic-review
#18
REVIEW
Jeffrey B Taylor, Alexis A Wright, Steven L Dischiavi, M Allison Townsend, Adam R Marmon
BACKGROUND: Late-stage rehabilitation programs often incorporate 'sport-specific' demands, but may not optimally simulate the in-game volume or intensity of such activities as sprinting, cutting, jumping, and lateral movement. OBJECTIVE: The aim of this review was to characterize, quantify, and compare straight-line running and multi-directional demands during sport competition. DATA SOURCES: A systematic review of PubMed, CINAHL, SPORTDiscus, and Cochrane Central Register of Controlled Trials databases was conducted...
August 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28800646/heritability-of-retinal-vascular-fractals-a-twin-study
#19
Anna Stage Vergmann, Rebecca Broe, Line Kessel, Jesper Leth Hougaard, Sören Möller, Kirsten Ohm Kyvik, Michael Larsen, Inger Christine Munch, Jakob Grauslund
Purpose: To determine the genetic contribution to the pattern of retinal vascular branching expressed by its fractal dimension. Methods: This was a cross-sectional study of 50 monozygotic and 49 dizygotic, same-sex twin pairs aged 20 to 46 years. In 50°, disc-centered fundus photographs, the retinal vascular fractal dimension was measured using the box-counting method and compared within monozygotic and dizygotic twin pairs using Pearson correlation coefficients...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28799679/scanning-electron-microscope-investigation-on-the-process-of-healing-of-skin-wounds-in-cirrhinus-mrigala
#20
Neeraj Verma, Usha Kumari, Swati Mittal, Ajay Kumar Mittal
Present scanning electron microscope study, reports healing of excised skin wounds in Cirrhinus mrigala. Healing process of wounds, inflicted on head skin, using biopsy punch was observed at intervals-0 hour (h), 1, 2, 4, 6, 12 h, 1 day (d) 2 and 4 d. Accumulation of mucus in wound region within 1h after infliction of wound has been considered an immediate measure to provide protection to injured skin from microbial invasion and other external environmental hazards. On infliction of wound, mobilization of epithelial cells at wound edge is associated with disturbance of coaptive relationship of epithelial cells till original coaptive stability is reached...
August 11, 2017: Microscopy Research and Technique
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