16,813 results match your criteria Ciencia & saude coletiva[Journal]


PAD2-Mediated Citrullination Contributes to Efficient Oligodendrocyte Differentiation and Myelination.

Cell Rep 2019 Apr;27(4):1090-1102.e10

Laboratory of Molecular Neurobiology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 17177 Stockholm, Sweden; Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institutet, 171 77 Stockholm, Sweden. Electronic address:

Citrullination, the deimination of peptidylarginine residues into peptidylcitrulline, has been implicated in the etiology of several diseases. In multiple sclerosis, citrullination is thought to be a major driver of pathology through hypercitrullination and destabilization of myelin. As such, inhibition of citrullination has been suggested as a therapeutic strategy for MS. Read More

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http://dx.doi.org/10.1016/j.celrep.2019.03.108DOI Listing

Antiproliferative activity of essential oils from three plants of the Brazilian Cerrado: Campomanesia adamantium (Myrtaceae), Protium ovatum (Burseraceae) and Cardiopetalum calophyllum (Annonaceae).

Braz J Biol 2019 Apr 18. Epub 2019 Apr 18.

Instituto Federal de Educação, Ciência e Tecnologia do Triângulo Mineiro - Campus Uberlândia Centro, Rua Blanche Galassi, Morada da Colina, CEP 38411-104, Uberlândia, MG, Brasil.

Essential oils, which may be extracted from several parts of plants, have different biological activities. The Brazilian Cerrado has a large variety of plants that yield essential oils, even though many have not been studied yet. Taking into account the biodiversity of this biome, this study aimed at evaluating the antiproliferative activity of essential oils extracted from three species of plants of the Cerrado in Goiás state: Campomanesia adamantium (Cambess. Read More

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http://dx.doi.org/10.1590/1519-6984.192643DOI Listing

Anisakidae Skrjabin & Karokhin, 1945 and Raphidascarididae Hartwich, 1954 nematodes in lutjanidae (pisces: perciformes) from the Brazilian Northeast Coast.

Braz J Biol 2019 Apr 18. Epub 2019 Apr 18.

Laboratório de Biologia Tropical e Laboratório de Doenças Infecciosas e Parasitárias, Instituto de Tecnologia e Pesquisa - ITP, Programa de Pós-graduação em Saúde e Ambiente, Universidade Tiradentes - UNIT, Av. Murilo Dantas, 300, Farolândia, CEP 49032-490, Aracaju, SE, Brasil.

The present study aimed at describing and evaluating the fauna of Anisakidae and Raphidacarididae nematodes of lutjanid fish (snappers) from the Brazilian northeastern coast unloaded at the city of Aracaju, capital of the State of Sergipe. A total of 186 lutjanids of 5 different species were analyzed including 69 Lutjanus analis, 51 L. vivanus , 29 Ocyurus chrysurus, 23 L. Read More

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http://dx.doi.org/10.1590/1519-6984.190350DOI Listing

Are municipal waste utilities becoming sustainable? A framework to assess and communicate progress.

Environ Sci Pollut Res Int 2019 Apr 23. Epub 2019 Apr 23.

Research Centre for Natural Resources, Environment and Society (CERNAS) & Polytechnic Institute of Coimbra (IPC), 3045-601, Coimbra, Portugal.

A framework of indicators to assess the progress towards sustainability of municipal waste management utilities is developed. Its purpose is to fulfil the need for assessing the performance of municipal waste (MW) management in a simple but comprehensive way-unlike indicators based on individual aspects such as recycling-and including aspects not well considered before, such as waste prevention. The framework is composed of a set of six single indicators, concerning the three dimensions of sustainability: reduction of effectively landfilled MW and reduction of MW generation (environmental component), balance between expenses and revenues and reduction of costs (economic component), accessibility to separate collection and number of complaints (social component). Read More

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http://dx.doi.org/10.1007/s11356-019-05102-4DOI Listing

The Response to Stimulation in Neurons and Astrocytes.

Neurochem Res 2019 Apr 23. Epub 2019 Apr 23.

Departamento de Biología Molecular, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Nicolás Cabrera, 1, 28049, Madrid, Spain.

The brain uses mainly glucose as fuel with an index of glucose to oxygen utilization close to 6, the maximal index if all glucose was completely oxidized. However, this high oxidative index, contrasts with the metabolic traits of the major cell types in the brain studied in culture, neurons and astrocytes, including the selective use of the malate-aspartate shuttle (MAS) in neurons and the glycerol-phosphate shuttle in astrocytes. Metabolic interactions among these cell types may partly explain the high oxidative index of the brain. Read More

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http://dx.doi.org/10.1007/s11064-019-02803-7DOI Listing

The Role of Hypernetworks as a Multilevel Methodology for Modelling and Understanding Dynamics of Team Sports Performance.

Sports Med 2019 Apr 23. Epub 2019 Apr 23.

CIFI2D, Centre of Research, Education, Innovation and Intervention in Sport, Faculdade de Desporto, Universidade do Porto, Rua Dr. Plácido Costa, 91, 4200-450, Porto, Portugal.

Despite its importance in many academic fields, traditional scientific methodologies struggle to cope with analysis of interactions in many complex adaptive systems, including team sports. Inherent features of such systems (e.g. Read More

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http://link.springer.com/10.1007/s40279-019-01104-x
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http://dx.doi.org/10.1007/s40279-019-01104-xDOI Listing

The Endocannabinoid System Is Present in Rod Outer Segments from Retina and Is Modulated by Light.

Mol Neurobiol 2019 Apr 24. Epub 2019 Apr 24.

Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB, UNS-CONICET), Edificio E1, Camino La Carrindanga km 7, 8000, Bahía Blanca, Argentina.

The aim of the present research was to evaluate if the endocannabinoid system (enzymes and receptors) could be modulated by light in rod outer segment (ROS) from bovine retina. First, we analyzed endocannabinoid 2-arachidonoylglycerol (2-AG) metabolism in purified ROS obtained from dark-adapted (DROS) or light-adapted (LROS) retinas. To this end, diacylglycerol lipase (DAGL), monoacylglycerol lipase (MAGL), and lysophosphatidate phosphohydrolase (LPAP) enzymatic activities were analyzed using radioactive substrates. Read More

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http://dx.doi.org/10.1007/s12035-019-1603-5DOI Listing

Commentary on Grandellis et al. 2019: suggesting endogenous DNA as further player in the plant immune response to DOTAP.

Authors:
Martin Heil

Planta 2019 Apr 23. Epub 2019 Apr 23.

Departmento de Ingeniería Genética, Centro de Investigación y de Estudios Avanzados (CINVESTAV) Unidad Irapuato, 36824, Irapuato, Guanajuato, Mexico.

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http://dx.doi.org/10.1007/s00425-019-03170-xDOI Listing

Soil lead pollution modifies the structure of arbuscular mycorrhizal fungal communities.

Mycorrhiza 2019 Apr 23. Epub 2019 Apr 23.

Instituto Multidisciplinario de Biología Vegetal (IMBIV)-CONICET, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sársfield, 1611, Córdoba, Argentina.

The impact of lead (Pb) pollution on native communities of arbuscular mycorrhizal fungi (AMF) was assessed in soil samples from the surroundings of an abandoned Pb smelting factory. To consider the influence of host identity, bulk soil surrounding plant roots soil samples of predominant plant species (Sorghum halepense, Bidens pilosa, and Tagetes minuta) growing in Pb-polluted soils and in an uncontaminated site were selected. Molecular diversity was assessed by sequencing the 18S rDNA region with primers specific to AMF (AMV4. Read More

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http://dx.doi.org/10.1007/s00572-019-00895-1DOI Listing

Meniscus Subluxation Retensioning: "Autotransplant".

Arthrosc Tech 2019 Mar 25;8(3):e335-e341. Epub 2019 Feb 25.

Clínica do Dragão, Espregueira-Mendes Sports Centre-FIFA Medical Centre of Excellence, Porto, Portugal.

Knee osteoarthritis (OA) is a common condition in the older population and is characterized by several articular dysfunctions with consequent anatomic abnormalities including osteochondral degenerative changes and meniscal extrusion. Meniscal damage with extrusion is one of the strongest identified risk factors for the development and progression of knee OA and represents an important factor in the long-term health of the joint. Meniscal extrusion can alter normal knee biomechanics and dramatically inhibit meniscal function. Read More

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http://dx.doi.org/10.1016/j.eats.2018.11.007DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6475648PMC

Effect of nanostructuration on the spin crossover transition in crystalline ultrathin films.

Chem Sci 2019 Apr 21;10(14):4038-4047. Epub 2019 Feb 21.

Instituto de Ciencia Molecular , Universitat de València , Catedrático José Beltrán 2 , 46980 Paterna , Spain . Email: ; Email: ; Email:

Mastering the nanostructuration of molecular materials onto solid surfaces and understanding how this process affects their properties are of utmost importance for their integration into solid-state electronic devices. This is even more important for spin crossover (SCO) systems, in which the spin transition is extremely sensitive to size reduction effects. These bi-stable materials have great potential for the development of nanotechnological applications provided their intrinsic properties can be successfully implemented in nanometric films, amenable to the fabrication of functional nanodevices. Read More

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http://dx.doi.org/10.1039/c8sc04935aDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6460953PMC

Discrimination between two memory channels by molecular alloying in a doubly bistable spin crossover material.

Chem Sci 2019 Apr 22;10(13):3807-3816. Epub 2019 Feb 22.

Departament de Química Inorgànica , Institut de Ciència Molecular (ICMol) , Universitat de València , Valencia , Spain . Email:

A multistable spin crossover (SCO) molecular alloy system [Fe M (Bu-im)(tren)](P As F) (M = Zn, Ni; (Bu-im)(tren) = tris(-butyl-imidazol(2-ethylamino))amine) has been synthesized and characterized. By controlling the composition of this isomorphous series, two cooperative thermally induced SCO events featuring distinct critical temperatures () and hysteresis widths (Δ, memory) can be selected at will. The pristine derivative 100As ( = 0, = 1) displays a strong cooperative two-step SCO and two reversible structural phase transitions (PTs). Read More

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http://dx.doi.org/10.1039/c8sc05256eDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6457193PMC

Efficacy profile of Cypermethrin and Chlorpyrifos based acaricides on Rhipicephalus microplus control on cattle in the rearing phase, naturally infested and exposed to tick fever agents in central Brazil.

Vet Parasitol Reg Stud Reports 2018 May 6;12:43-48. Epub 2018 Feb 6.

Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Campo Grande, MS, Brazil. Electronic address:

The objective of this work was to evaluate the efficacy of two cypermethrin- and chlorpyrifos-based acaricides in controlling Rhipicephalus microplus in a naturally infested bovine herd and in in vitro tests, as well as to monitor the animals for tick fever. Male bovines in the rearing phase were used, with 30 Brangus and 30 Nellore animals naturally infested. The groups were composed as follows: 15 Nellore treated, 15 Nellore control, 15 Brangus treated and 15 Brangus control. Read More

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http://dx.doi.org/10.1016/j.vprsr.2018.02.001DOI Listing

Cytotoxic Acetogenins from the Roots of .

Int J Mol Sci 2019 Apr 16;20(8). Epub 2019 Apr 16.

Facultad de Ciencias Químicas, Universidad de Colima, Carretera Colima-Coquimatlán km 9, 28400 Coquimatlán, Colima, Mexico.

, known in Mexico as "cabeza de negro" or "ilama", belongs to the Annonaceae family. Its roots are employed in folk medicine in several regions of Mexico. Taking that information into account, a chemical and biological analysis of the components present in the roots of this species was proposed. Read More

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http://dx.doi.org/10.3390/ijms20081870DOI Listing

Macrocolony of NDM-1 Producing subsp. Generates Subpopulations with Different Features Regarding the Response of Antimicrobial Agents and Biofilm Formation.

Pathogens 2019 Apr 14;8(2). Epub 2019 Apr 14.

Faculty of Pharmacy and Center of Biotechnology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul CE 90610-000, Brazil.

complex has been increasingly recognized as a nosocomial pathogen representing the third major Enterobacteriaceae species involved with infections. This study aims to evaluate virulence and antimicrobial susceptibility of subpopulations generated from macrocolonies of NDM-1 producing clinical isolates. Biofilm was quantified using crystal violet method and fimbrial genes were investigated by PCR. Read More

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http://dx.doi.org/10.3390/pathogens8020049DOI Listing

Folding Status Is Determinant over Traffic-Competence in Defining CFTR Interactors in the Endoplasmic Reticulum.

Cells 2019 Apr 14;8(4). Epub 2019 Apr 14.

BioISI-Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, Campo Grande C8, 1749-016 Lisboa, Portugal.

The most common cystic fibrosis-causing mutation (F508del, present in ~85% of CF patients) leads to CFTR misfolding, which is recognized by the endoplasmic reticulum (ER) quality control (ERQC), resulting in ER retention and early degradation. It is known that CFTR exit from the ER is mediated by specific retention/sorting signals that include four arginine-framed tripeptide (AFT) retention motifs and a diacidic (DAD) exit code that controls the interaction with the COPII machinery. Here, we aim at obtaining a global view of the protein interactors that regulate CFTR exit from the ER. Read More

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https://www.mdpi.com/2073-4409/8/4/353
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http://dx.doi.org/10.3390/cells8040353DOI Listing
April 2019
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Enabling Efficient Communications with Resource Constrained Information Endpoints in Smart Homes.

Sensors (Basel) 2019 Apr 13;19(8). Epub 2019 Apr 13.

Universidad Politécnica de Madrid, UPM Campus Sur, Km 7.5 de la Autovía de Valencia, Madrid 28031, Spain.

Smart Homes are one of the most promising real applications of Internet of Things and Cyber-Physical Systems. Devices and software components are deployed to create enhanced living environments where physical information is captured by sensors, sent to servers and finally transmitted to information endpoints to be consumed after its processing. These systems usually employ resource constrained components in dense architectures supported by massive machine type communications. Read More

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http://dx.doi.org/10.3390/s19081779DOI Listing

Permeability versus Design in TPMS Scaffolds.

Materials (Basel) 2019 Apr 22;12(8). Epub 2019 Apr 22.

IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1649-004 Lisboa, Portugal.

Scaffolds for bone tissue engineering are porous structures that serve as support for cellular growth and, therefore, new tissue formation. The present work assessed the influence of the porous architecture of triply periodic minimal surface (TPMS) scaffolds on their macroscopic permeability behavior, combining numerical and experimental methods. The TPMS scaffolds considered were Schwartz D, Schwartz P, and Gyroid, which have been previously studied for bone tissue engineering, with 70% porosity. Read More

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http://dx.doi.org/10.3390/ma12081313DOI Listing

Polymeric Materials: Surfaces, Interfaces and Bioapplications.

Materials (Basel) 2019 Apr 22;12(8). Epub 2019 Apr 22.

Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain.

This special issue "Polymeric Materials: Surfaces, Interfaces and Bioapplications" was proposed to cover all the aspects related to recent innovations on surfaces, interfaces and bioapplications of polymeric materials. The collected articles show the advances in polymeric materials, which have tremendous applications in agricultural films, food packaging, dental restoration, antimicrobial systems and tissue engineering. We hope that readers will be able to enjoy highly relevant topics that are related to polymers. Read More

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http://dx.doi.org/10.3390/ma12081312DOI Listing

Antifungal and Antioxidant Properties of Chitosan Polymers Obtained from Nontraditional Sources.

Mar Drugs 2019 Apr 22;17(4). Epub 2019 Apr 22.

MARE-Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal.

Chitin was extracted from , a swimming crab, captured in large quantities throughout the Portuguese coast by purse seine vessels as bycatch. After standard chitin extraction procedures, water-soluble chitosan products were obtained via two different methods: (1) -acetylation with the addition of acetic anhydride and (2) a reaction with hydrogen peroxide. The chemical structure and molecular weight of chitosan derivatives, water-soluble chitosan (WSC) and chitooligosaccharides (COS), were confirmed by Fourier Transform Infrared Spectroscopy (FT-IR) and gel permeation chromatography (GPC). Read More

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http://dx.doi.org/10.3390/md17040239DOI Listing

In Vitro Probiotic and Antioxidant Potential of subsp. LL95 and Its Effect in Mice Behaviour.

Nutrients 2019 Apr 22;11(4). Epub 2019 Apr 22.

Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa (UNIPAMPA), Campus Uruguaiana, Uruguaiana 97501-970, RS, Brazil.

The composition of intestinal microbiota is widely believed to not only affect gut health but also influence behaviour. This study aimed to evaluate the probiotic characteristics, antioxidant activity, and antidepressant- and anxiolytic-like activities of subsp. LL95. Read More

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http://dx.doi.org/10.3390/nu11040901DOI Listing

Altered Glycemic Control Associated With Polymorphisms in the SLC22A1 (OCT1) Gene in a Mexican Population With Type 2 Diabetes Mellitus Treated With Metformin: A Cohort Study.

J Clin Pharmacol 2019 Apr 23. Epub 2019 Apr 23.

Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda," Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México.

The organic cation transporters OCT1 and OCT2 and the multidrug and toxin extrusion transporter MATE1, encoded by the SLC22A1, SLC22A2, and SLC47A1 genes, respectively, are responsible for the absorption of metformin in enterocytes, hepatocytes, and kidney cells. The aim of this study was to evaluate whether genetic variations in the SLC22A1, SLC22A2, and SLC47A1 genes could be associated with an altered response to metformin in patients with type 2 diabetes mellitus. A cohort study was conducted in 308 individuals with a diagnosis of type 2 diabetes mellitus of less than 3 years and who had metformin monotherapy. Read More

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http://dx.doi.org/10.1002/jcph.1425DOI Listing

Subcritical Fluid Extraction of Antioxidant Phenolic Compounds from Pistachio (Pistacia vera L.) Nuts: Experiments, Modeling, and Optimization.

J Food Sci 2019 Apr 23. Epub 2019 Apr 23.

Facultad de Ciencias Exactas, Físicas y Naturales (UNC), Inst. Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Univ. Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba, Argentina.

A process to obtain phenolic compounds with antioxidant properties from pistachio nuts using water/ethanol mixture under high temperature and pressure conditions was carried out. To optimize extraction conditions and antioxidant activity of bioactive compounds, theoretical models were scanned against experimental data. Phenolic profile was dominated by several flavonoids and gallic acid derivatives. Read More

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http://dx.doi.org/10.1111/1750-3841.14507DOI Listing

Predictor Parameters of Liver Viability During Porcine Nomothermic Ex-Situ Liver Perfusion in a Model of Liver Transplantation with Marginal Grafts.

Am J Transplant 2019 Apr 23. Epub 2019 Apr 23.

Multi Organ Transplant Program, Toronto General Hospital, Toronto, ON, Canada.

Normothermic ex-situ liver perfusion(NEsLP) offers the opportunity to assess biomarkers of graft function and injury. We investigated NEsLP parameters(biomarkers and markers) for the assessment of liver viability in a porcine transplantation model. Grafts from heart beating donors(HBD), and from donors with 30'(DCD30'), 70'(DCD70') and 120'(DCD120') of warm ischemia were studied. Read More

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http://dx.doi.org/10.1111/ajt.15395DOI Listing

Grammatical gender processing in bilinguals: An analytic review.

Psychon Bull Rev 2019 Apr 22. Epub 2019 Apr 22.

Centro de Enseñanza Superior Cardenal Cisneros, Universidad Complutense de Madrid, Madrid, Spain.

In this review article, we analyze how grammatical gender is represented and processed in the bilingual mind. To that end, we review the data from 13 existing behavioral studies of mainly late second language (L2) learners on the so-called gender congruency (GC) effect (facilitated processing for translation equivalents with the same gender, in comparison to those with a different gender) in L2 production and comprehension. The majority of the results showed a GC effect, regardless of the type of language involved. Read More

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http://dx.doi.org/10.3758/s13423-019-01596-8DOI Listing

Blood vessels guide Schwann cell migration in the adult demyelinated CNS through Eph/ephrin signaling.

Acta Neuropathol 2019 Apr 22. Epub 2019 Apr 22.

Institut du Cerveau et de la Moelle Epinière-Groupe Hospitalier Pitié-Salpêtrière, INSERM, U1127; CNRS, UMR 7225; Sorbonne Universités, Université Pierre et Marie Curie Paris 06, UM-75, Paris, France.

Schwann cells (SC) enter the central nervous system (CNS) in pathophysiological conditions. However, how SC invade the CNS to remyelinate central axons remains undetermined. We studied SC migratory behavior ex vivo and in vivo after exogenous transplantation in the demyelinated spinal cord. Read More

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http://dx.doi.org/10.1007/s00401-019-02011-1DOI Listing

Photoluminescent Cu(i) vs. Ag(i) complexes: slowing down emission in Cu(i) complexes by pentacoordinate low-lying excited states.

Dalton Trans 2019 Apr 23. Epub 2019 Apr 23.

Institut de Ciència Molecular (ICMol), Universitat de València, 46980 Paterna, València, Spain.

This work describes the synthesis, and structural, spectroscopic, and theoretical studies of a mononuclear silver(i) complex with the formula [Ag(Xantphos)(4,4'-(MeO)2-2,2'-bipy)]BF4·DCM (1·BF4) [Xantphos: 4,5-bis(diphenylphosphino)-9,9'-dimethylxanthene]. We provide meaningful insights into the enhancement of the photoluminescence features of this silver(i) complex compared to its copper(i) analogue. Read More

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http://xlink.rsc.org/?DOI=C9DT00772E
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http://dx.doi.org/10.1039/c9dt00772eDOI Listing
April 2019
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Dynamics of thymol dietary supplementation in quail (): Dataset on thymol bioavailability, egg yolk fatty acids profile and performance traits.

Data Brief 2019 Jun 30;24:103884. Epub 2019 Mar 30.

Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Córdoba, Argentina.

Dietary supplementation with thymol (2-isopropyl-5-methylphenol) has been proposed as a strategy to improve modern intensive poultry production. Moreover, its antioxidant properties and potential beneficial influence on lipid metabolism have fostered current research focusing on enhancing nutritional quality of meat and egg products. In general, studies have focused on the overall effects of dietary supplementation once the supplementation protocol has finished and using only one potential dose, without actually measuring bioactive compounds' concentration in the diet supplied or target tissues. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S23523409193023
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http://dx.doi.org/10.1016/j.dib.2019.103884DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6463762PMC
June 2019
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Wet and dry tropical forests show opposite successional pathways in wood density but converge over time.

Nat Ecol Evol 2019 Apr 22. Epub 2019 Apr 22.

Department of Biological Sciences, Macquarie University, Sydney, New South Wales, Australia.

Tropical forests are converted at an alarming rate for agricultural use and pastureland, but also regrow naturally through secondary succession. For successful forest restoration, it is essential to understand the mechanisms of secondary succession. These mechanisms may vary across forest types, but analyses across broad spatial scales are lacking. Read More

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http://dx.doi.org/10.1038/s41559-019-0882-6DOI Listing

Synthesis and Characterization of Clay Polymer Nanocomposites of P(4VPAAm) and Their Application for the Removal of Atrazine.

Polymers (Basel) 2019 Apr 19;11(4). Epub 2019 Apr 19.

Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de Mexico, Circuito Exterior S/N, Ciudad Universitaria, Mexico City 04510, Mexico.

Atrazine (ATZ) is an herbicide which is applied to the soil, and its mechanism of action involves the inhibition of photosynthesis. One of its main functions is to control the appearance of weeds in crops, primarily in corn, sorghum, sugar cane, and wheat; however, it is very toxic for numerous species, including humans. Therefore, this work deals with the adsorption of ATZ from aqueous solutions using nanocomposite materials, synthesized with two different types of organo-modified clays. Read More

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http://dx.doi.org/10.3390/polym11040721DOI Listing

Using Extra Virgin Olive Oil to Cook Vegetables Enhances Polyphenol and Carotenoid Extractability: A Study Applying the Technique.

Molecules 2019 Apr 19;24(8). Epub 2019 Apr 19.

Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain.

Olive oil is the main source of fat in the Mediterranean diet and the most frequently used ingredient in Mediterranean cuisine. Cooking with olive oil has been attracting attention because it can act as a food excipient, thereby increasing the bioaccessibility and bioavailability of ingested bioactive compounds. The aim of this study was to understand the effect of cooking with olive oil on the bioactive components in other ingredients (tomato, onion, and garlic) of sauce, a representative model of Mediterranean cuisine. Read More

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http://dx.doi.org/10.3390/molecules24081555DOI Listing

Natural and Artificial Sweeteners and High Fat Diet Modify Differential Taste Receptors, Insulin, and TLR4-Mediated Inflammatory Pathways in Adipose Tissues of Rats.

Nutrients 2019 Apr 19;11(4). Epub 2019 Apr 19.

Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City 14080, Mexico.

It is difficult to know if the cause for obesity is the type of sweetener, high fat (HF) content, or the combination of sweetener and fat. The purpose of the present work was to study different types of sweeteners; in particular, steviol glycosides (SG), glucose, fructose, sucrose, brown sugar, honey, SG + sucrose (SV), and sucralose on the functionality of the adipocyte. Male Wistar rats were fed for four months with different sweeteners or sweetener with HF added. Read More

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http://dx.doi.org/10.3390/nu11040880DOI Listing

A Microwave Polarimeter Demonstrator for Astronomy with Near-Infra-Red Up-Conversion for Optical Correlation and Detection.

Sensors (Basel) 2019 Apr 19;19(8). Epub 2019 Apr 19.

Grupo de Ingeniería Fotónica, Universidad de Cantabria, Plaza de la Ciencia s/n, 39005 Santander, Spain.

This paper presents a 10 to 20 GHz bandwidth microwave polarimeter demonstrator, based on the implementation of a near-infra-red frequency up-conversion stage that allows both the optical correlation, when operating as a synthesized-image interferometer, and signal detection, when operating as a direct-image instrument. The proposed idea is oriented towards the implementation of ultra-sensitive instruments presenting several dozens or even thousands of microwave receivers operating in the lowest bands of the cosmic microwave background. In this work, an electro-optical back-end module replaces the usual microwave detection stage with Mach-Zehnder modulators for the frequency up-conversion, and an optical stage for the signals correlation and detection at near-infra-red wavelengths (1550 nm). Read More

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http://dx.doi.org/10.3390/s19081870DOI Listing

Exposure to Insecticides Reduces Populations of in Oil Palm Plantations with Bud Rot Disease.

Insects 2019 Apr 19;10(4). Epub 2019 Apr 19.

Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa 36570-000, Minas Gerais, Brazil.

The South American palm weevil (SAPW), Linnaeus (Coleoptera: Curculionidae) is the main pest of and damages palm trees with bud rot disease in the Americas. The effects of six neurotoxic insecticides (abamectin, carbaryl, deltamethrin, fipronil, imidacloprid and spinosad) were evaluated against SAPW for toxicity, survival, reproduction, and mortality. Abamectin (LC = 0. Read More

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http://dx.doi.org/10.3390/insects10040111DOI Listing

Enhancement of the Quality of the Shell-Core Bond Interface in Duplex Work Rolls Manufactured by Centrifugal Casting Used in Hot Strip Mills.

Materials (Basel) 2019 Apr 20;12(8). Epub 2019 Apr 20.

Materials Pro Group, Departamento de Ciencia de los Materiales e IngenieríaMetalúrgica, Universidad de Oviedo; Independencia 13, 33004 Oviedo, Spain.

To ensure the formation of a sound shell-core bond interface free of defects between the shell and the core in work rolls used in the finishing stands of hot strip mills, a complete fusion of this interface must be achieved, avoiding excessive mixing of the two components and the formation of hard, fragile microstructures. The shell is made of white cast iron, alloyed with Ni and Cr, and the core is manufactured of grey cast iron spheroidal graphite in a pearlitic matrix. It is thus advisable to inoculate the shell with 0. Read More

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http://dx.doi.org/10.3390/ma12081304DOI Listing

The poly(A) polymerase PAPS1 interacts with the RNA-directed DNA methylation pathway in sporophyte and pollen development.

Plant J 2019 Apr 22. Epub 2019 Apr 22.

Institute for Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Str. 24-25, D-14476, Potsdam-Golm, Germany.

RNA-based processes play key roles in the regulation of eukaryotic gene expression. This includes both the processing of pre-mRNAs into mature mRNAs ready for translation and RNA-based silencing processes, such as RNA-directed DNA methylation (RdDM). Polyadenylation of pre-mRNAs is one important step in their processing and is carried out by three functionally specialized canonical nuclear poly(A) polymerases in Arabidopsis thaliana. Read More

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http://dx.doi.org/10.1111/tpj.14348DOI Listing

Conditional cash transfers for primary education: Which children are left out?

World Dev 2018 May;105:1-12

Heller School for Social Policy and Management, Brandeis University, 415 South Street, Waltham, MA 02453, USA.

Conditional cash transfer (CCT) programs to increase primary-school enrollment and attendance among low-income households have been shown to benefit children and households, but to date little is known about who joins such programs. We test three hypotheses about predictors of CCT program participation in indigenous societies in Bolivia, focusing on attributes of the household (ethnicity), parents (modern human capital), and children (age, sex). We model whether children receive a transfer from Bolivia's CCT program (), using data from 811 school-age children and nine ethnic groups. Read More

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http://dx.doi.org/10.1016/j.worlddev.2017.12.021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6472288PMC

Carnauba wax uses in food - A review.

Food Chem 2019 Sep 26;291:38-48. Epub 2019 Mar 26.

Laboratório de Bioquímica Humana, Universidade Estadual do Ceará, Avenida Silas Muguba, (1700), Campus do Itaperi, Fortaleza, Ceará CEP 60.714.903, Brazil.

Carnauba wax is widely used in food, due to its physico-chemical characteristics with a predominance of esters and inert and stable components. Even with so many possibilities for the use of carnauba wax in food, there are still a large number of researchers around the world searching for new applications and a demand for new products with new technologies to improve existing ones. Recently, many parts of research which focus on the use of this wax in conservation and food processing have been carried out, some of which highlight the role of this wax in the microencapsulation of flavours, in preparing edible films and super hydrophobic and biodegradable packaging. Read More

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http://dx.doi.org/10.1016/j.foodchem.2019.03.133DOI Listing
September 2019

Design of a synthetic miniR1 plasmid and its production by engineered Escherichia coli.

Bioprocess Biosyst Eng 2019 Apr 20. Epub 2019 Apr 20.

Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Santa Fe, 05348, Mexico City, Mexico.

A synthetic plasmid consisting of the minimal elements for replication control of the R1 replicon and kanamycin resistance marker, which was named pminiR1, was developed. pminiR1 production was tested at 30 °C under aerobic and microaerobic conditions in Escherichia coli W3110 recA (W1). The plasmid DNA yields from biomass (Y) were only 0. Read More

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http://dx.doi.org/10.1007/s00449-019-02129-2DOI Listing

Superoxide dismutase in nanoarchaeosomes for targeted delivery to inflammatory macrophages.

Colloids Surf B Biointerfaces 2019 Mar 28;179:479-487. Epub 2019 Mar 28.

Nanomedicine Research & Development Center, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Saenz Peña 352, Bernal, B1876BXD, Argentina. Electronic address:

Oxidative stress plays an essential role in the pathogenesis and progression of inflammatory bowel disease. Co-administration of antioxidants and anti-inflammatory drugs has shown clinical benefits. Due to its significant reactive oxygen species (ROS) scavenging ability, great interest has been focused on superoxide dismutase (SOD) for therapeutic use. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S09277765193021
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http://dx.doi.org/10.1016/j.colsurfb.2019.03.061DOI Listing
March 2019
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Sarcopenia in children and adolescents with chronic liver disease.

J Pediatr (Rio J) 2019 Apr 18. Epub 2019 Apr 18.

Universidade Federal da Bahia (UFBA), Instituto de Ciências da Saúde, Programa de Pós-Graduação em Processos Interativos dos Órgãos e Sistemas, Salvador, BA, Brazil; Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Medicina (FAMED), Departamento de Pediatria, Porto Alegre, RS, Brazil; Universidade Federal da Bahia (UFBA), Complexo Hospitalar Universitário Professor Edgard Santos (HUPES), Serviço de Gastroenterologia e Hepatologia Pediátricas, Salvador, BA, Brazil.

Objective: To investigate the occurrence of sarcopenia in children and adolescents with chronic liver disease.

Methods: A series of cases, with patients aged 6-19 years of both genders, who were treated in Liver Outpatient Clinics. Weight, height, muscle strength (assessed by manual grip strength), and muscle mass (estimated through dual-energy X-ray absorptiometry) were measured. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00217557183108
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http://dx.doi.org/10.1016/j.jped.2019.02.005DOI Listing
April 2019
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Mass energy absorption coefficients and energy responses of magnesium tetraborate dosimeters for 0.02 MeV to 20 MeV photons using Monte Carlo simulations.

Appl Radiat Isot 2019 Apr 13;148:232-239. Epub 2019 Apr 13.

Departamento de Física, Universidade Federal de Sergipe (UFS), São Cristóvão, SE, Brazil. Electronic address:

Thermoluminescence dosimeters containing boron, such as magnesium tetraborate (MgBO), are of interest because of their very high sensitivity, near tissue-equivalent absorption coefficients, low cost, easy handling, and very large linearity range for absorbed dose. Another important parameter that should be considered when working with thermoluminescent dosimeter (TLD) is the mass energy absorption coefficient (μ/ρ), which is a close approximation to the energy available for production of chemical, biological and other effects associated with exposure to ionizing radiation, therefore important in estimating dose in medical and health physics. In this study the mass energy absorption coefficients and energy responses of undoped and some doped magnesium tetraborates were calculated by Monte Carlo N-particle transport code for a range of photon energies between 20 keV and 20 MeV. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S09698043183071
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http://dx.doi.org/10.1016/j.apradiso.2019.04.015DOI Listing
April 2019
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Slaughter weight rather than sex affects carcass cuts and tissue composition of Bisaro pigs.

Meat Sci 2019 Apr 11;154:54-60. Epub 2019 Apr 11.

Mountain Research Centre (CIMO), Escola Superior Agrária/Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal. Electronic address:

Carcass cuts and tissue composition were assessed in Bisaro pigs (n = 64) from two sexes (31 gilts and 33 entire males) reared until three target slaughter body-weights (BW) means: 17 kg, 32 kg, and 79 kg. Dressing percentage and backfat thickness increased whereas carcass shrinkage decreased with increasing BW. Slaughter weight affected most of the carcass cut proportions, except shoulder and thoracic regions. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S03091740183109
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http://dx.doi.org/10.1016/j.meatsci.2019.04.012DOI Listing
April 2019
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Semicarbazone derivatives as promising therapeutic alternatives in leishmaniasis.

Exp Parasitol 2019 Apr 17. Epub 2019 Apr 17.

Laboratório de Farmacologia e Imunologia- Universidade Federal de Alagoas, Laboratório de Farmacologia e Imunidade, Instituto de Ciências Biológicas e da Saúde, Av. Lourival Melo Mota, s/n, Tabuleiro do Martins, CEP:57072-900, Maceió - AL, Brazil; Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR)(3). Universidade Federal do Rio de Janeiro, Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio(®))(4) CCS, Cidade Universitária, P.O. Box 68024, ZIP, 21941-971, Rio de Janeiro-RJ, Brazil. Electronic address:

In the present study, we investigated the in vitro and in vivo leishmanicidal activity of synthetic compounds, containing a semicarbazone scaffold as a peptide mimetic framework. The leishmanicidal effect against amastigotes of Leishmania amazonensis was also evaluated at concentration of 100 μM-0.01 nM. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00144894183038
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http://dx.doi.org/10.1016/j.exppara.2019.04.003DOI Listing
April 2019
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Physicochemical and microbiological quality of the public water supply in 38 cities from the midwest region of the State of São Paulo, Brazil.

Water Environ Res 2019 Apr 20. Epub 2019 Apr 20.

Instituto Adolfo Lutz, Centro de Laboratório Regional de Bauru, Núcleo de Ciências Químicas e Bromatológicas, Rua Rubens Arruda, Quadra 6, Centro, , CEP: 17015-110, Bauru, SP, Brazil.

The public water supply is a constant subject of concern since its quality depends on many different factors. The intention of this paper was to evaluate the quality of the public water supply in 38 cities from the Midwest Region of the State of São Paulo, Brazil, during the year of 2016. The parameters investigated included free residual chlorine, pH, apparent color, turbidity, fluoride, nitrate and the presence of total coliforms and Escherichia coli. Read More

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http://dx.doi.org/10.1002/wer.1124DOI Listing

Seasonal changes in the song control nuclei of the Rufous-bellied Thrush, Turdus rufiventris (Oscine, Passeriformes, and Turdidae).

J Exp Zool B Mol Dev Evol 2019 Apr 19. Epub 2019 Apr 19.

Instituto de Ciências Biológicas, Centro de Genômica e Biologia de Sistemas, Universidade Federal do Pará, Belém, Brazil.

In vocal learning birds, memorization and song production rely on a set of telencephalic nuclei referred to as the song control system. Seasonal changes in song production are correlated with changes in the volume of the song control nuclei and are influenced by photoperiodic conditions and hormonal cues. The seasonal volume changes in the avian brain that controls singing are thought to involve regulation of neuronal replacement, which is a striking example of neuronal plasticity. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/jez.b.22853
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http://dx.doi.org/10.1002/jez.b.22853DOI Listing
April 2019
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Non-supervised breathing exercise regimen in women with fibromyalgia: A quasi-experimental exploratory study.

Complement Ther Clin Pract 2019 May 15;35:170-176. Epub 2019 Feb 15.

Instituto de Geriatria e Gerontologia - IGG, Pontifícia Universidade Católica Do Rio, Grande Do Sul - PUCRS, Brazil.

Objectives: To know the effectiveness and safety of non-supervised breathing exercise regimen by promoting patients' self-management, and to investigate if non-supervised breathing exercise regimen shows similar benefits to supervised regimen in improving pain and fibromyalgia (FM) impact on daily life.

Material And Methods: Fifty-one women with FM were assigned to: supervised breathing exercise regimen group, non-supervised breathing exercise regimen group, and control group. Pain thresholds tolerance on tender points and FM impact on daily life were evaluated. Read More

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http://dx.doi.org/10.1016/j.ctcp.2019.02.006DOI Listing

Drug Susceptibility Testing and Synergistic Antibacterial Activity of Curcumin with Antibiotics against Enterotoxigenic .

Antibiotics (Basel) 2019 Apr 18;8(2). Epub 2019 Apr 18.

Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Calle Sierra Mojada 950, Independencia Oriente, Guadalajara 44340, Jalisco, Mexico.

This study investigated the susceptibility of Enterotoxigenic to curcumin, as well as its synergistic effect with 12 antimicrobial drugs. Our study shows that curcumin did not affect bacterial growth. The antimicrobial susceptibility of curcumin and antibiotic synergy were identified using disc diffusion on Mueller-Hinton agar. Read More

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http://dx.doi.org/10.3390/antibiotics8020043DOI Listing

Reassessment of Viroid RNA Cytosine Methylation Status at the Single Nucleotide Level.

Viruses 2019 Apr 18;11(4). Epub 2019 Apr 18.

Istituto per la Protezione Sostenibile delle Piante (CNR), 70126 Bari, Italy.

Composed of a few hundreds of nucleotides, viroids are infectious, circular, non-protein coding RNAs able to usurp plant cellular enzymes and molecular machineries to replicate and move in their hosts. Several secondary and tertiary RNA structural motifs have been implicated in the viroid infectious cycle, but whether modified nucleotides, such as 5C-methylcytosine (mC), also play a role has not been deeply investigated so far. Here, the possible existence of mC in both RNA polarity strands of potato spindle tuber viroid and avocado sunblotch viroid -which are representative members of the nucleus- and chloroplast-replicating viroids, respectively- has been assessed at single nucleotide level. Read More

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https://www.mdpi.com/1999-4915/11/4/357
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http://dx.doi.org/10.3390/v11040357DOI Listing
April 2019
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Inhibitory action of thymol on fecal microbial activity in Tamandua tetradactyla and its effect on glucocorticoid metabolite measurement.

Gen Comp Endocrinol 2019 Apr 16. Epub 2019 Apr 16.

Instituto de Ciencia y Tecnología de los Alimentos and Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Argentina.

Faecal glucocorticoid measurement is a potentially important tool for improving wildlife conservation, but its use is still limited by methodological issues including the need to avoid modifications of steroids by faecal microorganisms during storage. The freezing of faeces is recommended as a means of avoiding such alterations, but this is costly under non-controlled environmental conditions. The present study was designed to determine whether the application of thymol reduced the proliferation of microorganisms in the faeces of Tamandua tetradactyla and whether it influenced faecal glucocorticoid metabolite (FGM) measurements. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00166480183024
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http://dx.doi.org/10.1016/j.ygcen.2019.04.015DOI Listing
April 2019
2 Reads