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https://www.readbyqxmd.com/read/28538191/assessment-of-hyperspectral-imaging-system-for-colour-measurement
#1
Damian K Chlebda, Anna Rogulska, Tomasz Łojewski
A novel technique of reflective spectroscopy, hyperspectral imaging (HSI), was used to develop a methodology for colour measurement, which is very important in the field of art conservation - especially in the analysis of documents. The major focus of this work is an examination of the repeatability and reproducibility of colour parameters calculated from the hyperspectral data. The study was performed with commercial colour standards and pen ink lines, corresponding to large and small-scale colour areas, respectively...
May 17, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28533955/among-site-variability-in-the-stochastic-dynamics-of-east-african-coral-reefs
#2
Katherine A Allen, John F Bruno, Fiona Chong, Damian Clancy, Tim R McClanahan, Matthew Spencer, Kamila Żychaluk
Coral reefs are dynamic systems whose composition is highly influenced by unpredictable biotic and abiotic factors. Understanding the spatial scale at which long-term predictions of reef composition can be made will be crucial for guiding conservation efforts. Using a 22-year time series of benthic composition data from 20 reefs on the Kenyan and Tanzanian coast, we developed Bayesian vector autoregressive state-space models for reef dynamics, incorporating among-site variability, and quantified their long-term behaviour...
2017: PeerJ
https://www.readbyqxmd.com/read/28533390/prognostic-and-biological-significance-of-the-proangiogenic-factor-egfl7-in-acute-myeloid-leukemia
#3
Dimitrios Papaioannou, Changxian Shen, Deedra Nicolet, Betina McNeil, Marius Bill, Malith Karunasiri, Matthew H Burke, Hatice Gulcin Ozer, Selen A Yilmaz, Nina Zitzer, Gregory K Behbehani, Christopher C Oakes, Damian J Steiner, Guido Marcucci, Bayard L Powell, Jonathan E Kolitz, Thomas H Carter, Eunice S Wang, Krzysztof Mrózek, Carlo M Croce, Michael A Caligiuri, Clara D Bloomfield, Ramiro Garzon, Adrienne M Dorrance
Epithelial growth factor-like 7 (EGFL7) is a protein that is secreted by endothelial cells and plays an important role in angiogenesis. Although EGFL7 is aberrantly overexpressed in solid tumors, its role in leukemia has not been evaluated. Here, we report that levels of both EGFL7 mRNA and EGFL7 protein are increased in blasts of patients with acute myeloid leukemia (AML) compared with normal bone marrow cells. High EGFL7 mRNA expression associates with lower complete remission rates, and shorter event-free and overall survival in older (age ≥60 y) and younger (age <60 y) patients with cytogenetically normal AML...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28533012/a-technique-for-the-removal-of-a-wedged-implant-abutment-fragment-or-debonded-titanium-base
#4
Geoffrey R Johnston, Faris Z Jamjoom, Damian J Lee
A technique for the retrieval of wedged implant fragments is described. The technique is suitable for fractured zirconia and metal abutments and titanium bases left behind after fracture or debonding of the custom zirconia abutment from the titanium base of an implant-supported prosthesis. This straightforward, noninvasive, technique facilitates the removal of the fragments or titanium bases without risking damage to the implant, surrounding bone, or soft tissues.
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28523332/apert-syndrome-clinical-case
#5
Mirela Anişoara Siminel, Cristian Ovidiu NeamŢu, Damian DiŢescu, Mircea Cătălin ForŢofoiu, Alexandru Cristian Comănescu, Marius Bogdan Novac, Simona Daniela NeamŢu, Adrian Gluhovschi
Apert syndrome - acrocephalosyndactyly - is a rare autosomal dominant disorder representing 1:65 000 cases of living newborns. Characteristic malformations of the Apert syndrome are early craniostenosis, microviscerocranium and II-V finger syndactyly of hand and toes with proximal phalanx of the bilateral thumb "in delta". It is difficult to determine prenatal diagnosis in the second quarter, when examining the morphology of fetal signs; the dysmorphism signs appeared in the third pregnancy quarter. We present here the case of a newborn with Apert syndrome that was born prematurely in our Clinic after a monitored pregnancy, where there was issued a suspicion of cranio-facial dysmorphism, malposition and malformation of the feet and hands in the third quarter of prenatal pregnancy...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28523313/correlation-of-clinical-and-biological-evidence-a-dominant-therapeutic-element-of-succeeding-in-ectopic-pregnancy
#6
Simona Daniela NeamŢu, Damian DiŢescu, Maria ForŢofoiu, Liliana Stanca, Cristian Tigae, Mihaela Niculescu, Cristian Ovidiu NeamŢu, Maria Magdalena Manolea, Mirela Anişoara Siminel, Leontina Eugenia Şurtea, Adela Valeria NeamŢu, Marius Bogdan Novac, Liviu Vasile, Adrian Gluhovschi
Tubal pathology, smoking, pelvic inflammatory disease, miscarriage, medical or surgical abortion, usage of intrauterine devices (IUDs) for women with salpingitis latent injuries, older than 40 years, are risk factors for ectopic pregnancy. The objective of this study concerns the correlation of the clinical and biological evidence for the early diagnosis of the ectopic pregnancy and, as soon as possible, for the estimation for eventual risk of complications that may appear. The transvaginal ultrasound test, minimal increases in serum beta-human chorionic gonadotropin (β-hCG) dynamics and blood counts are investigations of choice in achieving our objective...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28521429/b-cells-inhibit-the-antitumor-immunity-against-an-established-murine-fibrosarcoma
#7
Andrea Maglioco, Damián G Machuca, María Noel Badano, Paula Nannini, Gabriela V Camerano, Héctor Costa, Roberto Meiss, Raúl A Ruggiero, Mirta Giordano, Graciela I Dran
Despite the classic role of B cells in favoring the immune response, an inhibitory action of B lymphocytes in tumor immunity has emerged in certain studies. In methylcolanthrene-induced murine fibrosarcoma (MCC), the loss of immunogenicity and the establishment of tolerance are paralleled by systemic immune suppression and the appearance of B(+)IL-10(+) cells in tumor-draining lymph nodes. The present study aimed to assess the role of the B(+)IL-10(+) cell population in the immune evasion and tolerance induced by MCC through the depletion of B cells in mice at various times of tumor progression: Prior to or subsequent to tumor implantation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28515755/common-origin-of-all-three-coronary-arteries-from-the-right-sinus-of-valsalva-first-case-study-accompanied-by-mitral-valve-prolapse-and-vein-anomaly-second-case-study-followed-by-successful-percutaneous-coronary-intervention-of-right-coronary-artery-stenosis
#8
Brygida Przywara-Chowaniec, Agata Puzio, Łukasz Czarnecki, Damian Kawecki, Jan Głowacki, Ewa Nowalany-Kozielska, Aleksandra Czarnecka
Congenital anomalies of the coronary arteries can be divided into two broad categories: those that alter myocardial perfusion and those that do not. In coronary anomalies not altering myocardial perfusion, the coronary arteries originate from the aorta, but their origins are in unusual positions. Although myocardial perfusion is normal, the angiographer may have trouble locating them. Patients with an anomalous left main coronary artery arising from the right sinus of Valsalva are presented. The diagnosis was made by coronary angiography, transesophageal echocardiography and multislice computed tomography (MSCT)...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28515236/resonance-frequencies-of-honeybee-apis-mellifera-wings
#9
Christopher J Clark, Andrew M Mountcastle, Emily Mistick, Damian O Elias
During flight, insect wings bend and twist under the influence of aerodynamic and inertial forces. We tested whether wing resonance of honeybees (Apis mellifera) matches the wingbeat frequency, against the 'stiff element' hypothesis that the wing's first longitudinal mode exceeds the wingbeat frequency. Six bees were immobilized with their right wing pair outspread, and stimulated with a shaker while the normal modes were recorded with a Scanning Doppler Laser Vibrometer. The lowest normal mode of the wings was the first longitudinal bending mode, and at 602±145 Hz, greater than the wingbeat frequency of 234 Hz±13...
May 17, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28514703/bacterial-infections-and-hepatic-encephalopathy-in-liver-cirrhosis-prophylaxis-and-treatment
#10
REVIEW
Damian Piotrowski, Anna Boroń-Kaczmarska
Infections are common among patients with liver cirrhosis. They occur more often in cirrhotic patient groups than in the general population and result in higher mortality. One reason for this phenomenon is bacterial translocation from the intestinal lumen that occurs as a consequence of intestinal bacterial overgrowth, increased permeability and decreased motility. The most common infections in cirrhotic patients are spontaneous bacterial peritonitis and urinary tract infections, followed by pneumonia, skin and soft tissue infections...
May 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28510614/connexin-dependent-intercellular-stress-signaling-in-tissue-homeostasis-and-tumor-development
#11
Jarosław Czyż, Katarzyna Piwowarczyk, Milena Paw, Marcin Luty, Tomasz Wróbel, Jessica Catapano, Zbigniew Madeja, Damian Ryszawy
Cellular stress responses determine tissue development, homeostasis and pathogenesis. Paracrine signaling, exchange of mechanical stimuli and intercellular transfer of small metabolites via connexin-built gap junctional channels are involved in the cellular stress detection and propagation of stress stimuli in multicellular networks. Cellular stress responses are also regulated through the activity of unpaired connexons (hemichannels) and via the intracellular interference of connexins with the cell cycle and pro-apoptotic machinery...
May 17, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28508897/whole-genome-analysis-of-a-schistosomiasis-transmitting-freshwater-snail
#12
Coen M Adema, LaDeana W Hillier, Catherine S Jones, Eric S Loker, Matty Knight, Patrick Minx, Guilherme Oliveira, Nithya Raghavan, Andrew Shedlock, Laurence Rodrigues do Amaral, Halime D Arican-Goktas, Juliana G Assis, Elio Hideo Baba, Olga L Baron, Christopher J Bayne, Utibe Bickham-Wright, Kyle K Biggar, Michael Blouin, Bryony C Bonning, Chris Botka, Joanna M Bridger, Katherine M Buckley, Sarah K Buddenborg, Roberta Lima Caldeira, Julia Carleton, Omar S Carvalho, Maria G Castillo, Iain W Chalmers, Mikkel Christensens, Sandra Clifton, Celine Cosseau, Christine Coustau, Richard M Cripps, Yesid Cuesta-Astroz, Scott F Cummins, Leon di Stephano, Nathalie Dinguirard, David Duval, Scott Emrich, Cédric Feschotte, Rene Feyereisen, Peter FitzGerald, Catrina Fronick, Lucinda Fulton, Richard Galinier, Sandra G Gava, Michael Geusz, Kathrin K Geyer, Gloria I Giraldo-Calderón, Matheus de Souza Gomes, Michelle A Gordy, Benjamin Gourbal, Christoph Grunau, Patrick C Hanington, Karl F Hoffmann, Daniel Hughes, Judith Humphries, Daniel J Jackson, Liana K Jannotti-Passos, Wander de Jesus Jeremias, Susan Jobling, Bishoy Kamel, Aurélie Kapusta, Satwant Kaur, Joris M Koene, Andrea B Kohn, Dan Lawson, Scott P Lawton, Di Liang, Yanin Limpanont, Sijun Liu, Anne E Lockyer, TyAnna L Lovato, Fernanda Ludolf, Vince Magrini, Donald P McManus, Monica Medina, Milind Misra, Guillaume Mitta, Gerald M Mkoji, Michael J Montague, Cesar Montelongo, Leonid L Moroz, Monica C Munoz-Torres, Umar Niazi, Leslie R Noble, Francislon S Oliveira, Fabiano S Pais, Anthony T Papenfuss, Rob Peace, Janeth J Pena, Emmanuel A Pila, Titouan Quelais, Brian J Raney, Jonathan P Rast, David Rollinson, Izinara C Rosse, Bronwyn Rotgans, Edwin J Routledge, Kathryn M Ryan, Larissa L S Scholte, Kenneth B Storey, Martin Swain, Jacob A Tennessen, Chad Tomlinson, Damian L Trujillo, Emanuela V Volpi, Anthony J Walker, Tianfang Wang, Ittiprasert Wannaporn, Wesley C Warren, Xiao-Jun Wu, Timothy P Yoshino, Mohammed Yusuf, Si-Ming Zhang, Min Zhao, Richard K Wilson
Biomphalaria snails are instrumental in transmission of the human blood fluke Schistosoma mansoni. With the World Health Organization's goal to eliminate schistosomiasis as a global health problem by 2025, there is now renewed emphasis on snail control. Here, we characterize the genome of Biomphalaria glabrata, a lophotrochozoan protostome, and provide timely and important information on snail biology. We describe aspects of phero-perception, stress responses, immune function and regulation of gene expression that support the persistence of B...
May 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28505488/predictors-of-buprenorphine-treatment-success-of-opioid-dependence-in-two-baltimore-city-grassroots-recovery-programs
#13
April Joy Damian, Tamar Mendelson, Deborah Agus
INTRODUCTION: Despite evidence for the efficacy of buprenorphine treatment in primary care, few studies have identified factors associated with treatment success, nor have such factors been evaluated in community settings. Identifying correlates of treatment success can facilitate the development of treatment models tailored for distinct populations, including low-income communities of color. The current study examined client-level socio-demographic factors associated with treatment success in community-based buprenorphine programs serving vulnerable populations...
May 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28505142/mitochondria-targeting-with-luminescent-rhenium-i-complexes
#14
Joanna Skiba, Tytus Bernaś, Damian Trzybiński, Krzysztof Woźniak, Giarita Ferraro, Daniela Marasco, Antonello Merlino, Marsel Z Shafikov, Rafał Czerwieniec, Konrad Kowalski
Two new neutral fac-[Re(CO)₃(phen)L] compounds (1,2), with phen = 1,10-phenanthroline and L = O₂C(CH₂)₅CH₃ or O₂C(CH₂)₄C≡CH, were synthetized in one-pot procedures from fac-[Re(CO)₃(phen)Cl] and the corresponding carboxylic acids, and were fully characterized by IR and UV-Vis absorption spectroscopy, ¹H- and (13)C-NMR, mass spectrometry and X-ray crystallography. The compounds, which display orange luminescence, were used as probes for living cancer HeLa cell staining. Confocal microscopy revealed accumulation of both dyes in mitochondria...
May 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28503302/reliability-and-validity-of-using-telephone-calls-for-post-discharge-surveillance-of-surgical-site-infection-following-caesarean-section-at-a-tertiary-hospital-in-tanzania
#15
Boniface Nguhuni, Pasquale De Nardo, Elisa Gentilotti, Zainab Chaula, Caroline Damian, Paola Mencarini, Emanuele Nicastri, Arnold Fulment, Alessandro Piscini, Francesco Vairo, Alexander M Aiken, Giuseppe Ippolito
BACKGROUND: Surgical site infection (SSI) is a common post-operative complication causing significant morbidity and mortality. Many SSI occur after discharge from hospital. Post-discharge SSI surveillance in low and middle income countries needs to be improved. METHODOLOGY: We conducted an observational cohort study in Dodoma, Tanzania to examine the sensitivity and specificity of telephone calls to detect SSI after discharge from hospital in comparison to a gold standard of clinician review...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28500088/spotting-the-black-swan-why-emergency-medicine-is-ahead-of-the-curve
#16
EDITORIAL
Damian Roland
"Black Swans", originally described as an economic theory, are unexpected events whose potential to occur only becomes apparent after they have happened. The concept is very relevant to the practice of Emergency Medicine and this article explores how black swans impact on emergency care and how staff unconsciously aim to mitigate against them.
May 12, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28498493/involvement-of-microglia-in-early-axoglial-alterations-of-the-optic-nerve-induced-by-experimental-glaucoma
#17
Melina P Bordone, María F González Fleitas, Laura A Pasquini, Alejandra Bosco, Pablo H Sande, Ruth E Rosenstein, Damián Dorfman
Glaucoma is a leading cause of blindness, characterized by retinal ganglion cell (RGC) loss and optic nerve (ON) damage. Cumulative evidence suggests glial cell involvement in the degeneration of the ON and RGCs. We analyzed the contribution of microglial reactivity to early axoglial alterations of the ON in an induced model of ocular hypertension. For this purpose, vehicle or chondroitin sulfate (CS) were weekly injected into the eye anterior chamber from Wistar rats for different intervals. The amount of Brn3a(+) RGC significantly decreased in CS-injected eyes for 10 and 15 (but not 6) weeks...
May 12, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28498111/-sup-55-sup-mn-nmr-observation-of-colossal-magnetoresistance-effect-in-sm-sub-0-55-sub-sr-sub-0-45-sub-mno-sub-3-sub
#18
Jan Marek Michalik, Damian Rybicki, Z Tarnawski, Marcin Sikora, Jose de Teresa, M Ibarra, Czeslaw Kapusta
Temperature dependent <sup>55</sup>Mn NMR study of Sm<sub>0.55</sub>Sr<sub>0.45</sub>MnO<sub>3</sub> is reported. Previous bulk magnetization measurements have shown that below T<sub>C</sub>~125K the sample is ferromagnetic metallic (FMM) and above T<sub>C</sub> it is charge ordered and insulating. In present report, we show that from zero-field NMR a single line double-exchange (DE) signal is observed at temperatures up to 139K, which is due to a presence of FMM clusters also above TC...
May 12, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28497840/risk-factors-of-atrial-fibrillation-recurrence-despite-successful-radiofrequency-ablation-of-accessory-pathway-at-11-years-of-follow-up
#19
Michał Orczykowski, Piotr Urbanek, Robert Bodalski, Paweł Derejko, Grzegorz Warmiński, Małgorzata Łodyga, Damian Łasocha, Łukasz Mazurkiewicz, Maciej Dąbrowski, Paweł Tyczyński, Joanna Zakrzewska-Koperska, Rafał Baranowski, Artur Oręziak, Maciej Sterliński, Maria Bilińska, Łukasz Szumowski
BACKGROUND: Previous reports on patients with radiofrequency catheter ablation (RFCA) of accessory pathway (AP) and atrial fibrillation (AF) include only short follow-up periods. The aim of this study was to analyse predictors of recurrence of AF in patients after successful RFCA of APs over long term follow-up periods. METHODS: Of the 1,007 patients who underwent non-pharmacological treatment of Aps ( between the years 1993-2008), data of 100 consecutive patients were retrospectively analyzed (75 men, mean age 43...
May 12, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28494247/removal-of-micropollutants-in-biofilters-hydrodynamic-effects-on-biofilm-assembly-and-functioning
#20
Corey M G Carpenter, Damian E Helbling
Global water resources contain a variety of micropollutants (MPs), including pharmaceuticals, personal care products, and pesticides. This study investigated the removal of MPs during drinking water production by means of biofiltration. The objective of this work was to investigate the influence of hydrodynamics on biofilm growth and development in a biofiltration process and the consequent effect on MP biotransformation rates. We operated three groups of biofiltration columns continuously for 381 days under three distinct hydrodynamic regimes (superficial velocity: 10, 20, 40 cm h(-1)) and fed them a mixture of 29 micropollutants at low concentrations...
May 2, 2017: Water Research
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