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https://www.readbyqxmd.com/read/28092824/chemically-modified-amino-porphyrin-tio2-for-the-degradation-of-acid-black-1-under-day-light-illumination
#1
Balu Krishnakumar, Avula Balakrishna, Cláudia T Arranja, Carlos M F Dias, Abilio J F N Sobral
In this paper, for the first time, chemically modified 5,10,15,20-meso-tetra-(para-amino)-phenyl-porphyrin/TiO2 (TPAPP/TiO2) was prepared and used for the degradation of an azo dye Acid Black 1 (AB 1) under direct sunlight. Initially, TiO2 was prepared by sol-gel method. Before making a TPAPP/TiO2 composite, the surface modification of TiO2 was carried out with glycidoxypropyltrimethoxy silane (GPTMS) which acts as a coupling agent. This is an epoxy terminated silane and could easily bond to the amino group of TPAPP through epoxy cleavage...
January 9, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28092765/cytotoxic-genotoxic-and-mutagenic-evaluation-of-surface-waters-from-a-coal-exploration-region
#2
Cynthia Silva Porta, Débora Lemes Dos Santos, Hélio Vieira Bernardes, Bruno Corrêa Bellagamba, Anaí Duarte, Johnny Ferraz Dias, Fernanda Rabaioli da Silva, Mauricio Lehmann, Juliana da Silva, Rafael Rodrigues Dihl
Coal mining generates a considerable amount of waste, which is disposed of in piles or dams near mining sites. As a result, leachates may reach rivers and streams, promoting the wide dispersion of contaminants in solution and as particulate matter. The present study evaluated the cytotoxic, genotoxic, and mutagenic action of surface waters collected around a thermoelectric power plant and the largest mining area in Brazil (Candiota). Four sites in Candiota stream were selected, and samples were collected in winter and summer...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28091804/baseline-results-from-the-uk-signify-study-a-whole-body-mri-screening-study-in-tp53-mutation-carriers-and-matched-controls
#3
Sibel Saya, Emma Killick, Sarah Thomas, Natalie Taylor, Elizabeth K Bancroft, Jeanette Rothwell, Sarah Benafif, Alexander Dias, Christos Mikropoulos, Jenny Pope, Anthony Chamberlain, Ranga Gunapala, Louise Izatt, Lucy Side, Lisa Walker, Susan Tomkins, Jackie Cook, Julian Barwell, Vicki Wiles, Lauren Limb, Diana Eccles, Martin O Leach, Susan Shanley, Fiona J Gilbert, Helen Hanson, David Gallagher, Bala Rajashanker, Richard W Whitehouse, Dow-Mu Koh, S Aslam Sohaib, D Gareth Evans, Rosalind A Eeles
In the United Kingdom, current screening guidelines for TP53 germline mutation carriers solely recommends annual breast MRI, despite the wide spectrum of malignancies typically seen in this group. This study sought to investigate the role of one-off non-contrast whole-body MRI (WB MRI) in the screening of asymptomatic TP53 mutation carriers. 44 TP53 mutation carriers and 44 population controls were recruited. Scans were read by radiologists blinded to participant carrier status. The incidence of malignancies diagnosed in TP53 mutation carriers against general population controls was calculated...
January 16, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28090721/an-ultrastable-and-easily-regenerated-hydrogen-bonded-organic-molecular-framework-with-permanent-porosity
#4
Falu Hu, Caiping Liu, Mingyan Wu, Jiandong Pang, Feilong Jiang, Daqiang Yuan, Maochun Hong
A robust hydrogen-bonded organic framework HOF-TCBP (H4 TCBP=3,3',5,5'-tetrakis-(4-carboxyphenyl)-1,1'-biphenyl) has been successfully constructed and structurally characterized. It possesses a permanent 3D porous structure with a 5-fold interpenetrated dia topological network. This activated HOF-TCBP has a high BET surface area of 2066 m(2)  g(-1) and is capable of highly selective adsorption and separation of light hydrocarbons under ambient conditions. It shows excellent thermal stability, as demonstrated by PXRD experiments and N2 adsorption tests...
January 16, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28090181/how-much-we-think-of-ourselves-and-how-little-we-think-of-others-an-investigation-of-the-neuronal-signature-of-self-consciousness-between-different-personality-traits-through-an-event-related-potential-study
#5
Auwal Bello Hassan, Tahamina Begum, Mohammed Faruque Reza, Nasir Yusoff
BACKGROUND: Previous studies have revealed that self-related tasks (items) receive more attention than non-self-related, and that they elicit event-related potential (ERP) components with larger amplitudes. Since personality has been reported as one of the biological correlates influencing these components, as well as our behavioural differences, it is important to examine how it affects our self-consciousness in relation to tasks of varied relevance and the neurological basis. METHODS: A total of 33 male and female undergraduate Malaysian medical students of Universiti Sains Malaysia (USM) participated in the study...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28088473/endothelium-adhesion-molecules-icam-1-icam-2-vcam-1-and-vla-4-expression-in-leprosy
#6
Juarez de Sousa, Tinara Leila Sousa Aarão, Jorge Rodrigues de Sousa, Kelly Emi Hirai, Luciana Mota Silva, Leonidas Braga Dias, Francisca Regina Oliveira Carneiro, Hellen Thais Fuzii, Juarez Aantonio Simoes Quaresma
Leprosy triggers a complex relationship between the pathogen and host immune response. Endothelium plays an important role in this immune response by directly influencing cell migration to infected tissues. The objective of this work is to investigate the possible role of endothelium in M. leprae infection, correlating the characteristics of endothelial markers with the expression pattern of cytokines. Thirty-six skin biopsy samples were cut into 5-μm thick sections and stained with hematoxylin-eosin and Ziehl-Neelsen for morphological analysis and then submitted to immunohistochemical analysis using monoclonal antibodies against ICAM-1, ICAM-2, VCAM-1, and VLA-4...
January 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28080216/occurrence-of-mycotoxins-in-wheat-grains-exposed-to-fungicides-on-fusarium-head-blight-control-in-southern-brazil
#7
Leandro N Marques, Ionara R Pizzutti, Ricardo S Balardin, Ingrid D Dos Santos, Jonatan V Dias, Marlon T Stefanello, Pablo T Serafini
Mycotoxins occurrence in wheat grains impose risks to human and animal health. The southern Brazil has favorable weather conditions for Fusarium graminearum infections and consequently for mycotoxins accumulation on grains. The goal of this study was to evaluate the behavior of new wheat commercial genotypes to Fusarium Head Blight (FHB), to control performance of new fungicide formulations and their relationship with mycotoxins concentration in grains. The manly mycotoxin occurrence on wheat grains in southern Brazil was deoxynivalenol (DON)...
January 12, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28076597/oral-health-evaluation-in-special-needs-individuals
#8
Danielle de Moraes Pini, Paula Cristina Gil Ritter Fröhlich, Lilian Rigo
Objective: To identify the prevalence of the main oral problems present in special needs children and to relate the underlying conditions with the clinical and demographic variables. Methods: The study was based on the physical examination of 47 students from the Associação de Pais e Amigos dos Excepcionais diagnosed as Down syndrome, cerebral palsy and intellectual deficit. For data collection, we used a self-administered questionnaire that included indices of dental caries and oral hygiene, Angle classification, malposition of dental groups and oral hygiene habits...
October 2016: Einstein
https://www.readbyqxmd.com/read/28076479/dietary-management-for-dyslipidemia-in-liver-transplant-recipients
#9
Andressa S Pinto, Marcio F Chedid, Léa T Guerra, Daiane D Cabeleira, Cleber D P Kruel
Background: Dyslipidemia occurs in approximately 70% of all liver transplant (LT) recipients, and no prior control studies have demonstrated any dietary intervention to change it. Aim: To analyze the effects of a dietary intervention on the lipid profile of dyslipidemic LT recipients. Methods: All LT recipients with dyslipidemia on clinical follow-up were enrolled. Anthropometric evaluation, food history, body composition (bioimpedance) and assessment of basal metabolism through indirect calorimetry were performed...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28076449/long-term-follow-up-of-patients-after-percutaneous-coronary-intervention-with-everolimus-eluting-bioresorbable-vascular-scaffold
#10
Rafael Alexandre Meneguz-Moreno, José de Ribamar Costa, Freddy Antônio Britto Moscoso, Rodolfo Staico, Luiz Fernando Leite Tanajura, Marinella Patrizia Centemero, Auréa Jacob Chaves, Andrea Claudia Leão de Sousa Abizaid, Amanda Guerra de Moraes Rego E Sousa, Alexandre Antonio Cunha Abizaid
Background: Bioresorbable vascular scaffolds (BVS) were developed to improve the long-term results of percutaneous coronary intervention, restoring vasomotion. Objectives: To report very late follow-up of everolimus-eluting Absorb BVS (Abbott Vascular, Santa Clara, USA) in our center. Methods: Observational retrospective study, in a single Brazilian center, from August 2011 to October 2013, including 49 patients submitted to Absorb BVS implantation...
January 9, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28073733/antibiotic-therapy-and-staphylococcal-skin-infections-in-a-tropical-malarial-zone-guyana-practices-in-conventional-and-exceptional-situations
#11
S-P Corcostegui, H Lefort, A Dia, V Pommier de Santi, C Carfantan, J Galant, E Lightburne, P Guénot, X Deparis, R Migliani, J-J Morand
A problem of community-acquired Staphylococcus aureus skin infections emerged in the French armed forces in 2004, in a malaria-endemic areas. The high incidence rate led us to evaluate military staff practices. This was a cross-sectional survey of doctors and nurses deployed as officers in French Guyana since 2006. The definition of skin and soft-tissue infection came from the criteria for epidemiological surveillance of the armed forces. We studied the management of antibiotic therapy and its related difficulties...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28073726/breast-cancer-in-women-younger-than-35%C3%A2-years%C3%A2-features-and-outcomes-in-the-breast-unit-at-aristide-le-dantec-teaching-hospital-dakar
#12
M Gueye, S M Kane Gueye, M D Ndiaye Gueye, F Niasse Dia, O Gassama, M Diallo, J C Moreau
The aim of this study was to determine the clinical features and outcomes of women younger than 35 years with breast cancer. This study was performed at Gynecologic and Obstetric Clinic of Dakar Teaching Hospital and retrospectively reviewed the records of all women younger than 35 years seen in our department for histologically proven breast cancer. Data were analyzed with SPSS software (Statistical Package for Social Science) Version 23. Between 2007 and 2015, 62 women with breast cancer met the inclusion criteria and were included...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28073255/biaxial-strain-transfer-in-supported-graphene
#13
C Bousige, F Balima, D Machon, G S Pinheiro, A Torres-Dias, J Nicolle, D Kalita, N Bendiab, L Marty, V Bouchiat, G Montagnac, A G Souza Filho, P Poncharal, A San-Miguel
Understanding the mechanism and limits of strain transfer between supported 2D systems and their substrate is a most needed step toward the development of strain engineering at the nanoscale. This includes applications in straintronics, nanoelectromechanical devices, or new nanocomposites. Here, we have studied the limits of biaxial compressive strain transfer among SiO2, diamond, and sapphire substrates and graphene. Using high pressure-which allows maximizing the adhesion between graphene and the substrate on which it is deposited-we show that the relevant parameter governing the graphene mechanical response is not the applied pressure but rather the strain that is transmitted from the substrate...
January 11, 2017: Nano Letters
https://www.readbyqxmd.com/read/28072885/functional-role-of-intracellular-calcium-receptor-inositol-1-4-5-trisphosphate-type-1-in-rat-hippocampus-after-neonatal-anoxia
#14
Juliane Midori Ikebara, Silvia Honda Takada, Débora Sterzeck Cardoso, Natália Myuki Moralles Dias, Beatriz Crossiol Vicente de Campos, Talitha Amanda Sanches Bretherick, Guilherme Shigueto Vilar Higa, Mariana Sacrini Ayres Ferraz, Alexandre Hiroaki Kihara
Anoxia is one of the most prevalent causes of neonatal morbidity and mortality, especially in preterm neonates, constituting an important public health problem due to permanent neurological sequelae observed in patients. Oxygen deprivation triggers a series of simultaneous cascades, culminating in cell death mainly located in more vulnerable metabolic brain regions, such as the hippocampus. In the process of cell death by oxygen deprivation, cytosolic calcium plays crucial roles. Intracellular inositol 1,4,5-trisphosphate receptors (IP3Rs) are important regulators of cytosolic calcium levels, although the role of these receptors in neonatal anoxia is completely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28068925/effectiveness-of-a-serological-tool-to-predict-malaria-transmission-intensity-in-an-elimination-setting
#15
Rajika Lasanthi Dewasurendra, Janaka Nandana Dias, Nuno Sepulveda, Geethika Sharmini Abayaweera Gunawardena, Naduviladath Chandrasekharan, Chris Drakeley, Nadira Dharshani Karunaweera
BACKGROUND: Sri Lanka achieved the WHO certificate as a malaria free country in September 2016, thus monitoring of malaria transmission using sensitive and effective tools is an important need. Use of age-specific antibody prevalence as a serological tool to predict transmission intensity is proven to be a cost effective and reliable method under elimination settings. This paper discusses the correlation of four anti-malarial antibodies against vivax and falciparum malaria with the declining transmission intensities in two previously high malaria endemic districts i...
January 9, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28068458/synthetic-muc1-glycopeptide-bearing-%C3%AE-galnac-thr-as-tn-antigen-isomer-induces-antibodies-production-against-tumor-cells
#16
Vanessa Leiria Campo, Thalita Riul, Leandro Bortot, Maristela Martins-Teixeira, Marcelo Marchiori, Emanuela Iaccarino, Menotti Ruvo, Marcelo Dias-Baruffi, Ivone Carvalho
This study presents the synthesis of the novel protected O-glycosyl amino acids βGalNAc-SerOBn (1) and βGalNAc-ThrOBn (2) as mimetics of the natural Tn antigen (αGalNAc-Ser/Thr), along with the solid-phase assembly of the glycopeptides NHAcSer-Ala-Pro-Asp-Thr[αGalNAc]-Arg-Pro-Ala-Pro-Gly-BSA (3-BSA) and NHAcSer-Ala-Pro-Asp-Thr[βGalNAc]-Arg-Pro-Ala-Pro-Gly-BSA (4-BSA), bearing αGalNAc-Thr or βGalNAc-Thr, as mimetics of MUC1 tumor mucin glycoproteins. According to ELISA tests, mice immunizations with βGalNAc-glycopeptide 4-BSA induced higher sera titers (1:320000) if compared to immunizations with αGalNAc-glycopeptide 3-BSA (1:40000)...
January 9, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28063327/serum-levels-of-fibroblast-growth-factor-23-are-elevated-in-patients-with-active-lupus-nephritis
#17
Aline L Resende, Rosilene M Elias, Myles Wolf, Luciene M Dos Reis, Fabiana G Graciolli, Geuza D Santos, Cristiane B Dias, Vanda Jorgetti, Viktoria Woronik, Rosa M A Moysés
BACKGROUND: Fibroblast growth factor 23 (FGF23), a phosphate-regulating hormone is an established cardiovascular risk factor. Recently, FGF23 has been related to inflammation. Lupus is an inflammatory disease, and whether FGF23 is associated with Lupus nephritis (LN) activity is unknown. MATERIALS AND METHODS: We studied 15 pre-menopausal patients with recent LN diagnose (⩽2months) and compared them to 1:1 age-matched healthy control group. We measured serum levels of intact FGF23, interleukin-6 (IL-6), tumor necrosis factor α (TNFα), and urinary levels of monocyte chemotactic protein (MCP1)...
January 4, 2017: Cytokine
https://www.readbyqxmd.com/read/28063018/analysis-of-the-variation-in-low-level-laser-energy-density-on-the-crushed-sciatic-nerves-of-rats-a-morphological-quantitative-and-morphometric-study
#18
Eduardo Keiske Mastuda Ziago, Valéria Paula Sassoli Fazan, Mamie Mizusaki Iyomasa, Luiz Gustavo Sousa, Paula Yumi Yamauchi, Eunice Aparecida da Silva, Eduardo Borie, Ramón Fuentes, Fernando José Dias
The objective of this study was to evaluate three energy densities of low-level laser therapy (LLLT, GaAlAs, 780 nm, 40 mW, 0.04 cm(2)) for the treatment of lesions to peripheral nerves using the sciatic nerve of rats injured via crushing model (15 kgf, 5.2 MPa). Thirty Wistar rats (♂, 200-250 g) were divided into five groups (n = 6): C-control, not injured, and irradiated; L0-injured nerve without irradiation; L4-injured nerve irradiated with LLLT 4 J/cm(2) (0.16 J); L10-injured nerve irradiated with LLLT 10 J/cm(2) (0...
January 7, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28062254/the-effects-of-d-govadine-on-conditioned-place-preference-with-d-amphetamine-or-food-reward
#19
Maya O Nesbit, Carine Dias, Anthony G Phillips
Tetrahydroprotoberberines (THPB) have a high affinity for dopamine (DA) D1 and D2 receptors and may provide a novel treatment for drug addiction. We assessed the effects of the THPB d-govadine on the acquisition, expression, extinction and reinstatement of d-amphetamine-(1.5mg/kg, i.p.) induced conditioned place preference (CPP). Furthermore, the effects of d-govadine on conditioned association between contextual stimuli and a natural reward were examined using food-induced CPP. In separate experiments, rats received d-govadine (0, 0...
January 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28058953/use-of-a-subdermal-plexus-flap-to-reconstruct-an-upper-eyelid-following-radical-tumor-resection-in-a-cat
#20
Filipe C Dias, Alan Danielski, Kate Forster, David L Williams
CASE DESCRIPTION A 15-year-old neutered male domestic shorthair cat was examined for treatment of a recurrent neoplastic mass in the left upper eyelid that had been excised 6 months earlier by the referring veterinarian. CLINICAL FINDINGS An apparently nonpainful firm cutaneous mass (approx 2 × 2 mm) was located on the lateral third of the left upper eyelid near the scar from the previous surgical excision. TREATMENT AND OUTCOME Approximately one-third of the left upper lip was used as a subdermal plexus (lip-to-lid) flap to cover the defect created by en bloc excision of the eyelid mass...
January 15, 2017: Journal of the American Veterinary Medical Association
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