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https://www.readbyqxmd.com/read/29223426/application-of-solidifiers-for-oil-spill-containment-a-review
#1
REVIEW
Fernanda L Motta, Stanislav R Stoyanov, João B P Soares
The need for new and/or improvement of existing oil spill remediation measures has increased substantially amidst growing public concern with the increased transportation of unconventional crudes, such as diluted bitumen products. Solidifiers may be a very good spill response measure to contain and mitigate the effects of oil discharge incidents, as these interact with the oil to limit hydrocarbon release into air and water, prevent it from adhering onto sediment and debris, and could allow for oil recovery and reuse...
November 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/29223098/trisubstituted-barbiturates-and-thiobarbiturates-synthesis-and-biological-evaluation-as-xanthine-oxidase-inhibitors-antioxidants-antibacterial-and-anti-proliferative-agents
#2
Joana Figueiredo, João L Serrano, Eunice Cavalheiro, Leena Keurulainen, Jari Yli-Kauhaluoma, Vânia M Moreira, Susana Ferreira, Fernanda C Domingues, Samuel Silvestre, Paulo Almeida
Barbituric and thiobarbituric acid derivatives have become progressively attractive to medicinal chemists due to their wide range of biological activities. Herein, different series of 1,3,5-trisubstituted barbiturates and thiobarbiturates were prepared in moderate to excellent yields and their activity as xanthine oxidase inhibitors, antioxidants, antibacterial agents and as anti-proliferative compounds was evaluated in vitro. Interesting bioactive barbiturates were found namely, 1,3-dimethyl-5-[1-(2-phenylhydrazinyl)ethylidene]pyrimidine-2,4,6(1H,3H,5H)-trione (6c) and 1,3-dimethyl-5-[1-[2-(4-nitrophenyl)hydrazinyl]ethylidene]pyrimidine-2,4,6(1H,3H,5H)-trione (6e), which showed concomitant xanthine oxidase inhibitory effect (IC50 values of 24...
November 27, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29222581/fractures-in-children-with-newly-diagnosed-hepatoblastoma
#3
Alexander J Towbin, Fernanda D C Braojos Braga, Bin Zhang, James I Geller, Greg M Tiao, Daniel J Podberesky
BACKGROUND: Hepatoblastoma is the most common primary hepatic malignancy in children. We have recently noticed an increased incidence of unsuspected fractures in children with newly diagnosed hepatoblastoma. This association has been suggested in the past, but the incidence and pathophysiology remain uncertain. OBJECTIVE: To define the incidence and imaging features of fractures in children with newly diagnosed hepatoblastoma. MATERIALS AND METHODS: We searched the oncology database and the radiology picture archiving and communication system of our large tertiary care children's hospital between January 2000 and August 2013 for all patients who presented to our institution with newly diagnosed hepatoblastoma...
December 8, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29220775/sio2-nanomaterial-as-a-tool-to-improve-hordeum-vulgare-l-tolerance-to-nano-nio-stress
#4
Cristiano Soares, Simão Branco-Neves, Alexandra de Sousa, Manuel Azenha, Ana Cunha, Ruth Pereira, Fernanda Fidalgo
This work was designed to assess the potential role of silicon dioxide nanomaterial (nano-SiO2) in enhancing barley's tolerance to nickel oxide nanomaterial (nano-NiO). For this purpose, plants were grown for 14days under nano-NiO (120mgkg-1) single and co-exposure with nano-SiO2 (3mgkg-1). The exposure of barley to nano-NiO caused a significant decrease in growth-related parameters and induced a negative response on the photosynthetic apparatus. However, upon nano-SiO2 co-exposure, the inhibitory effects of nano-NiO were partially reduced, with lower reductions in fresh and dry biomass, and with the recovery of the photosynthesis-related parameters...
December 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29219632/budd-chiari-syndrome-associated-with-al-amyloidosis-a-coagulation-paradox
#5
Guilherme Grossi Lopes Cançado, Luciana Costa Faria, Fernanda Maria Farage Osório, Paula Vieira Teixeira Vidigal, Cláudia Alves Couto, Teresa Cristina de Abreu Ferrari
No abstract text is available yet for this article.
December 8, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/29219623/usual-normalization-strategies-for-gene-expression-studies-impair-the-detection-and-analysis-of-circadian-patterns
#6
Diego de Siqueira Figueredo, Mayara Rodrigues Barbosa, Daniel Gomes Coimbra, José Luiz Araújo Dos Santos, Ellyda Fernanda Lopes Costa, Bruna Del Vechio Koike, Magna Suzana Alexandre Moreira, Tiago Gomes de Andrade
Recent studies have shown that transcriptomes from different tissues present circadian oscillations. Therefore, the endogenous variation of total RNA should be considered as a potential bias in circadian studies of gene expression. However, normalization strategies generally include the equalization of total RNA concentration between samples prior to cDNA synthesis. Moreover, endogenous housekeeping genes (HKGs) frequently used for data normalization may exhibit circadian variation and distort experimental results if not detected or considered...
December 8, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29218786/how-fast-can-treatment-with-overdentures-improve-the-masticatory-function-and-ohrqol-of-atrophic-edentulous-patients-a-1-year-longitudinal-clinical-study
#7
Raissa Micaella Marcello-Machado, Fernanda Faot, Alessandra Julie Schuster, Amália Machado Bielemann, Gustavo Giacomelli Nascimento, Altair Antoninha Del Bel Cury
OBJECTIVES: The aim of this prospective clinical study was to evaluate the masticatory function (MF) and subjective perception of patients with poor denture-bearing tissue in relation to change and the time required to identify an improvement in these parameters after rehabilitation with mandibular overdentures (MO) by two narrow-diameter two-piece implants. MATERIAL AND METHODS: Twenty-three edentulous patients were selected for MO installation. The masticatory function (MF) was evaluated with the masticatory performance (MP) and swallowing threshold (ST) tests...
December 7, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29218421/cistus-ladanifer-cistaceae-a-natural-resource-in-mediterranean-type-ecosystems
#8
REVIEW
David F Frazão, Joana R Raimundo, Joana L Domingues, Celestino Quintela-Sabarís, José C Gonçalves, Fernanda Delgado
Cistus ladanifer has a well-defined taxonomic identity. 2,2,6-trimethylcyclohexanone may be an authenticity and taxonomic marker. Its traits and applications make it a possible economic resource fitted for Mediterranean areas. Cistus ladanifer is a dominant shrub species endemic to the western Mediterranean region. Due to its dominant nature and its potential ecological, aromatic or pharmacological applications, C. ladanifer has been the object of numerous studies. In this review current knowledge on different aspects of this species is summarized, from its taxonomy to its chemical characterisation or its competitive traits...
December 7, 2017: Planta
https://www.readbyqxmd.com/read/29218336/chemical-signaling-involved-in-plant-microbe-interactions
#9
REVIEW
Fernanda Oliveira Chagas, Rita de Cassia Pessotti, Andrés Mauricio Caraballo-Rodríguez, Mônica Tallarico Pupo
Microorganisms are found everywhere, and they are closely associated with plants. Because the establishment of any plant-microbe association involves chemical communication, understanding crosstalk processes is fundamental to defining the type of relationship. Although several metabolites from plants and microbes have been fully characterized, their roles in the chemical interplay between these partners are not well understood in most cases, and they require further investigation. In this review, we describe different plant-microbe associations from colonization to microbial establishment processes in plants along with future prospects, including agricultural benefits...
December 8, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/29217789/genome-sequences-of-19-rhodococcus-erythropolis-cluster-ca-phages
#10
J Alfred Bonilla, Sharon Isern, Ann M Findley, Karen K Klyczek, Scott F Michael, Margaret S Saha, William J Buchser, Mark H Forsyth, Sudip Paudel, Christopher R Gissendanner, Allison M D Wiedemeier, Fernanda L Alonzo, Rebecca A Garlena, Daniel A Russell, Welkin H Pope, Steven G Cresawn, Deborah Jacobs-Sera, Graham F Hatfull
We report the complete genome sequences of 19 cluster CA bacteriophages isolated from environmental samples using Rhodococcus erythropolis as a host. All of the phages are Siphoviridae, have similar genome lengths (46,314 to 46,985 bp) and G+C contents (58.5 to 58.8%), and share nucleotide sequence similarity.
December 7, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29217418/molecular-characterization-of-virulence-and-antimicrobial-resistance-profile-of-shigella-species-isolated-from-children-with-moderate-to-severe-diarrhea-in-northeastern-brazil
#11
Pedro Henrique Quintela Soares Medeiros, Aldo Ângelo Moreira Lima, Marjorie Moreira Guedes, Alexandre Havt, Mariana Duarte Bona, Luís Carlos Rey, Alberto Melo Soares, Richard Littleton Guerrant, Bernhard H Weigl, Ila Fernanda Nunes Lima
Molecular characterization of virulence and antimicrobial resistance profiles were determined for Shigella species isolated from children with diarrhea in Fortaleza, Brazil. Fecal specimens were collected along with socioeconomic and clinical data from children with moderate to severe diarrhea requiring emergency care. Shigella spp. were isolated by standard microbiological techniques, and we developed 4 multiplex polymerase chain reaction assays to detect 16 virulence-related genes (VRGs). Antimicrobial susceptibility tests were performed using disk diffusion assays...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29217385/4-methylesculetin-a-coumarin-derivative-ameliorates-dextran-sulfate-sodium-induced-intestinal-inflammation
#12
Aline Witaicenis, Ellen Cristina Souza de Oliveira, Alexandre Tanimoto, Sofia Fernanda Gonçalves Zorzella-Pezavento, Silvio Luiz de Oliveira, Alexandrina Sartori, Luiz Claudio Di Stasi
4-methylesculetin is one of the coumarin derivatives with great anti-oxidant and anti-inflammatory activities. Recent studies shown that 4-methylesculetin has a promising potentiality to treat inflammatory diseases, especially those related to reactive oxygen species, as inflammatory bowel disease. Based on this, the present study aims to investigate the intestinal anti-inflammatory activity of 4-methylesculetin in dextran sulfate sodium (DSS) model. For this purpose, mice received DSS 5% for 5 days followed by 2 days of filtered tap water...
December 4, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29217312/long-term-stability-of-dental-adhesive-incorporated-by-boron-nitride-nanotubes
#13
Felipe Weidenbach Degrazia, Vicente Castelo Branco Leitune, Fernanda Visioli, Susana Maria Werner Samuel, Fabrício Mezzomo Collares
OBJECTIVE: The aim of this study was to evaluate physicochemical properties, long-term microtensile bond strength and cytotoxicity of methacrylate-based adhesive containing boron nitride nanotubes (BNNTs) as fillers. METHODS: A dental adhesive was formulated using BisGMA/HEMA, 66/33wt% (control). Inorganic BNNT fillers were incorporated into the adhesive at different concentrations (0.05, 0.075, 0.1 and 0.15wt%). Analyses of degree of conversion (DC), polymerization rate [Rp...
December 4, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29216797/mandibular-condylar-dimensions-correlation-between-3d-tomography-and-dried-skull-measurements
#14
Rafaela Scariot, Briana Gonsar, Navenett Gill, Fabio Furquim, Paola Fernanda Cotait de Lucas Corso, Paula Cristina Trevillato, Anitha Potluri, Alexandre Rezende Vieira
Objective Compare the anatomical dimensions of mandibular condyles with the same CBCT measurements. Methods Four landmarks were identified on the condyles of dried skulls and are measured with their corresponding areas in CBCT images: Right Width of Condyle (RW), Left Width of Condyle (LW), Right Length of Condyle (RL), and Left Length of Condyle (LL). Results With respect to direct measurements on the dry skulls, statistically significant differences were found between sexes (p < 0.001). When the real values were compared with the CBCT, it was observed that the bias depends on the magnitude of the measurement...
December 8, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29215686/are-desensitizing-toothpastes-equally-biocompatible-and-effective-against-microorganisms
#15
Samira Esteves Afonso Camargo, Noala Vicensoto Moreira Milhan, Fernanda de Oliveira Saraiva, Jonatas Rafael de Oliveira, Luciane Dias de Oliveira, Carlos Henrique Ribeiro Camargo
The aims of this study were evaluate cytotoxicity, genotoxicity, antimicrobial activity of desensitizing toothpastes compared to a common one and the surface roughness of tooth enamel submitted to brushing with these toothpastes. Samples of three desensitizing toothpastes (Colgate Sensitive, Sensodyne and Oral B Sensitive) and common toothpaste (Colgate) were placed in contact with gingival human fibroblasts. Cytotoxicity and genotoxocity were measured by MTT assay and micronucleus test. Antimicrobial activity of the toothpastes extracts against C...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29215682/physicochemical-and-biological-evaluation-of-endodontic-filling-materials-for-primary-teeth
#16
Katerine Jahnecke Pilownic, Ana Paula Neutzling Gomes, Zhe Jun Wang, Luiza Helena Silva Almeida, Ana Regina Romano, Ya Shen, Anelize de Oliveira Campello Felix, Markus Haapasalo, Fernanda Geraldo Pappen
This study assessed the pH, radiopacity, antimicrobial effect, cytotoxicity and biocompatibility of endodontic filling materials for primary teeth. Zinc oxide eugenol (ZOE), Vitapex and Calen paste thickened with zinc oxide (ZO) were evaluated in comparison to an experimental MTA-based material. Radiopacity was tested using a graduated aluminum stepwedge with a digital sensor (n=5). The materials pH was recorded at 1, 4, 12 h; 1, 3, 7, 15 and 30 days (n=5). Direct contact test was used to assess the antimicrobial efficacy against Enterococcus faecalis after 1, 4, 12, 24 h (n=5)...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29215676/analysis-of-the-epithelium-mesenchymal-transition-process-on-oral-squamous-cell-carcinomas
#17
Taiane Berguemaier de Lima, Isadora Peres Klein, Márcia Gaiger de Oliveira, Pantelis Varvaki Rados, Manoel Sant'Ana, Fernanda Visioli
The aim of this study is to evaluate the immunohistochemical expression of E-cadherin, N-cadherin and Bmi-1, and their association with clinical parameters and with the degree of histopathological differentiation in oral squamous cell carcinomas. 65 squamous cell carcinoma samples were used for constructing a tissue microarray block, and then immunohistochemistry was performed for different markers. A semi-quantitative analysis of the amount of positive tumor cells was performed by two blind and calibrated observers (Kappa>0...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29215607/proteomic-and-functional-analysis-identifies-galectin-1-as-a-novel-regulatory-component-of-the-cytotoxic-granule-machinery
#18
Tiago Clemente, Narcisio J Vieira, Juan P Cerliani, Colin Adrain, Alexander Luthi, Mariana R Dominguez, Monica Yon, Fernanda C Barrence, Thalita B Riul, Richard D Cummings, Telma M Zorn, Sebastian Amigorena, Marcelo Dias-Baruffi, Maurício M Rodrigues, Seamus J Martin, Gabriel A Rabinovich, Gustavo P Amarante-Mendes
Secretory granules released by cytotoxic T lymphocytes (CTLs) are powerful weapons against intracellular microbes and tumor cells. Despite significant progress, there is still limited information on the molecular mechanisms implicated in target-driven degranulation, effector cell survival and composition and structure of the lytic granules. Here, using a proteomic approach we identified a panel of putative cytotoxic granule proteins, including some already known granule constituents and novel proteins that contribute to regulate the CTL lytic machinery...
December 7, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29215188/pcr-test-in-induced-sputum-of-patients-with-pulmonary-tuberculosis
#19
Verônica da Silva Paiva, Fernanda Luiza Staub, Dirceu Felipe Valentini, Regina Bones Barcellos, Karen Barros Schmid, Elis Regina Dalla Costa, Maria Lucia Rosa Rossetti, Paulo de Tarso Roth Dalcin, Denise Rossato Silva
INTRODUCTION: Induced sputum (IS) is an alternative method of obtaining sputum, but IS smears are frequently negative. Culture is more time-consuming in its results, and less useful to guide the diagnosis. Polymerase chain reaction (PCR) is the most common methodology for rapid diagnosis of TB, and few studies evaluated its role in IS samples. OBJECTIVES: The objective of this study is to determine the diagnostic yield of PCR for TB compared with culture in IS samples...
December 7, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29214922/the-design-and-rationale-of-an-interdisciplinary-non-prescriptive-and-health-at-every-size%C3%A2-based-clinical-trial-the-health-and-wellness-in-obesity-study
#20
Mariana D Ulian, Bruno Gualano, Fabiana B Benatti, Patricia Lopes de Campos-Ferraz, Desire Coelho, Odilon J Roble, Fernanda Sabatini, Isabel Perez, Luiz Aburad, Ana Jéssica Pinto, André Vessoni, Jhessica Campos Victor, Victoria Kupper Lima, Ramiro Fernandez Unsain, Priscila de Morais Sato, Marcelo Macedo Rogero, Tatiana Natasha Toporcov, Fernanda B Scagliusi
BACKGROUND: This manuscript describes the design and rationale of a clinical trial that aims to investigate the multiple physiological, attitudinal, nutritional, and behavioral effects of a new interdisciplinary intervention based on the Health at Every Size® (HAES®) approach in obese women. METHODS: This will be a prospective, 7-month, randomized (2:1), mixed-method clinical trial. Obese women will be recruited and randomly allocated into two groups. The intervention group (I-HAES®; proposed n = 40) will undertake a novel HAES®-based intervention...
December 2017: Nutrition and Health
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