Search results for: Rosa Silva

Items from 1 to 20 out of 56 results

article

Effect of glutamine and cysteine supplementation on quality of cryopreserved sperm of South American silver catfish

Bruna Bitencourt Da Costa, Lis Santos Marques, Paula Graziela Lassen, Rômulo Batista Rodrigues, more

Aquaculture Research > 52 > 5 > 2173 - 2181

The aim of this study was to investigate the effects of different concentrations of glutamine (experiment 1) and glutamine + cysteine (experiment 2) on post‐thaw sperm quality of South American silver catfish (Rhamdia quelen). The sperm was cryopreserved in cryoprotectant solution (fructose 50 g/L, powdered milk 50 g/L and methanol 100 ml/L) containing different glutamine concentrations (0, 2.5 and...

article

Crude glycerol inclusion in diets for post‐larvae Rhamdia voulezi and Rhamdia branneri

Marise Taise Theisen, Robie Allan Bombardelli, Fabio Meurer, Rosane Lopes Ferreira, more

Aquaculture Research > 51 > 3 > 1313 - 1316

article

Effects of cysteine supplementation on the quality of cryopreserved sperm of South American silver catfish

Bruna Bitencourt Da Costa, Lis Santos Marques, Paula Graziela Lassen, Rômulo Batista Rodrigues, more

Aquaculture Research > 51 > 2 > 455 - 464

The cryopreservation promotes cellular damage that could compromise sperm quality in terms of motility and fertility rates, which may be caused by oxidative stress. Thus, the aim of this study was to assess the effects of cysteine addition on post‐thaw sperm quality, DNA damage and indices of oxidative stress of the South American silver catfish (Rhamdia quelen) sperm, compared with the cryoprotectant...

article

Evidence that tolerance of Eutrema salsugineum to low phosphate conditions is hard-wired by constitutive metabolic and root-associated adaptations

Vera Marjorie Elauria Velasco, Solmaz Irani, Anna Axakova, Rosa Silva, more

Planta > 2020 > 251 > 1 > 1-17

Main conclusionThe extremophyteEutrema salsugineum(Yukon ecotype) has adapted to an environment low in available phosphate through metabolic and root-associated traits that enables it to efficiently retrieve, use, and recycle phosphorus. Abstract Efficient phosphate (Pi) use by plants would increase crop productivity under Pi-limiting conditions and reduce our reliance on Pi applied as fertilizer...

article

Growth of magnetic cobalt hexacyanoferrate nanoparticles onto bacterial cellulose nanofibers

Rafael Miguel Sábio, Robson Rosa Silva, Vagner Sargentelli, Junkal Gutierrez, more

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 18 > 16956- 16965

Natural polymers templates capable to maneuver the growth and spatial distribution of functional nanoparticles have been furthering the development of a new generation of sustainable and versatile materials. Pure cellulose nanofibrils, biosynthesized by bacteria, naturally deliver a 3D interconnected network of lightweight, foldable and sustainable matrices. Cellulose membrane is an exceptional biodegradable...

article

Screening of plant growth promotion ability among bacteria isolated from field-grown sorghum under different managements in Brazilian drylands

Jéssica Fernanda Silva, Thaise Rosa Silva, Indra Elena Costa Escobar, Ana Carla Resende Fraiz, more

World Journal of Microbiology and Biotechnology > 2018 > 34 > 12 > 1-10

Sorghum [Sorghum bicolor (L.) Moench] is a multipurpose grass cultivated in drylands due to its adaptation to drought. However the characteristics of sorghum-associated bacteria are not known in the Brazilian drylands. The aim of this study was to isolate and evaluate the plant growth promotion potential bacteria from field-grown sorghum under two irrigation and manure application levels in a Brazilian...

article

Optical properties and antiangiogenic activity of a chalcone derivate

Susy Ricardo Lemes, Luizmar Adriano Júnior, Diego da Silva Manoel, Maria Alice Montes de Sousa, more

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy > 2018 > 204 > C > 685-695

Chalcones and their derivatives exhibit numerous pharmacological activities such as antibacterial, antifungal, cytotoxic, antinociceptive and anti-inflammatory. Recently, they have been assessed aiming for novel application in nonlinear optics and in the treatment of immune diseases and cancers. In this study, we investigate the optical properties of synthetic chalcona 1E,4E-1-(4-chlorophenyl)-5-(2,6,6-trimethylcyclohexen-1-yl)penta-1,4-dien-3-one...

article

Systemic Inflammation Changes the Site of RAGE Expression from Endothelial Cells to Neurons in Different Brain Areas

Juciano Gasparotto, Camila Tiefensee Ribeiro, Helen Tais Rosa-Silva, Rafael Calixto Bortolin, more

Molecular Neurobiology > 2019 > 56 > 5 > 3079-3089

The receptor for advanced glycation endproducts (RAGE) is a transmembrane, immunoglobulin-like receptor that interacts with a broad repertoire of extracellular ligands. RAGE belongs to a family of cell adhesion molecules and is considered a key receptor in the inflammation axis and a potential contributor to the neurodegeneration. The present study aimed to investigate the content and cell localization...

article

The unique tRNA^Sec and its role in selenocysteine biosynthesis

Vitor Hugo Balasco Serrão, Ivan Rosa Silva, Marco Tulio Alves Silva, Jéssica Fernandes Scortecci, more

Amino Acids > 2018 > 50 > 9 > 1145-1167

Selenium (Se) is an essential trace element for several organisms and is mostly present in proteins as l-selenocysteine (Sec or U). Sec is synthesized on its l-seryl–tRNA^Sec to produce Sec–tRNA^Sec molecules by a dedicated selenocysteine synthesis machinery and incorporated into selenoproteins at specified in-frame UGA codons. UGA–Sec insertion is signaled by an mRNA stem-loop structure called the...

article

FTO rs9939609 A allele influences anthropometric outcome in response to dietary intervention, but not in response to physical exercise program

Gabrielle Araujo Nascimento, Mayza Dalcin Teixeira, Lupe Furtado-Alle, Neiva Leite, more

European Journal of Nutrition > 2019 > 58 > 1 > 325-334

Purpose The fat mass and obesity-associated (FTO) gene is involved in energy homeostasis. The A allele of the rs9939609 (SNP; T>A) is associated with obesity and higher food intake, while its effect in energy expenditure remains unclear. The aim of this study is to examine whether FTO rs9939609 is associated with the anthropometric outcomes of a physical exercise program and a dietary intervention...

article

Synthesis, Crystal Structure, and Catalytic Properties of Porous 3d‐4f Heterometallic Coordination Polymers Constructed from Pyrazine‐2,3‐dicarboxylic Acid

Ting‐Hai Yang, Ana Rosa Silva, Lianshe Fu, Fa‐Nian Shi

Zeitschrift für anorganische und allgemeine Chemie > 643 > 22 > 1801 - 1808

Reactions of pyrazine‐2,3‐dicarboxylic acid (H₂pzdc), cobalt nitrate and lanthanide (Ln) oxide under hydrothermal conditions result in four new 3d‐4f heterometal coordination polymers, namely, [Ln₂Co(pzdc)₄(H₂O)₆]·2H₂O [Ln = La (1), Pr (2), Eu (3) and Gd (4)]. All compounds were characterized by elemental analysis, infrared spectroscopy, thermal gravimetric analysis, and X‐ray diffraction. The compounds...

article

High prevalence of skin and wound care of hospitalized elderly in Brazil: a prospective observational study

Carleara Ferreira Rosa Silva, Rosimere Ferreira Santana, Beatriz Guitton Renaud Baptista Oliveira, Thalita Gomes Carmo

BMC Research Notes > 2017 > 10 > 1 > 1-6

Background Skin changes caused by aging increase the risk of skin damages, such as pressure ulcers, during hospitalization of elderly patients. There is few information about the cost of wound treatment in Brazil. Conversely, skin and wound problems are highly reported among hospitalized elderly patients and caregivers. The purpose is to analyze the socio-demographic and clinical profile associated...

article

Crude glycerol in diets for Nile tilapia sex reversal (Oreochromis niloticus, Linnaeus 1758)

Fábio Meurer, Aldo Tovo Neto, Lilian Carolina Rosa Silva, Luana Cagol, more

Aquaculture Research > 47 > 8 > 2682 - 2685

article

Simple HPLC‐UV for the quantification of a new leishmanicidal candidate (E)‐1‐4(trifluoromethyl) benzylidene)‐5‐(2‐4‐dichlorozoyl) carbonylhydrazine (LASSBio‐1736) in rat plasma for pharmacokinetics assessment

Barbra Katyuschya Sanches Moraes, Lisiane Bajerski, Alcides Parisotto, Carlos Eduardo da Rosa Silva, more

Biomedical Chromatography > 30 > 7 > 1029 - 1035

In this study, a sensitive HPLC‐UV assay was developed and validated for the determination of LASSBio‐1736 in rat plasma with sodium diclofenac as internal standard (IS). Liquid–liquid extraction using acetonitrile was employed to extract LASSBio‐1736 and IS from 100 μL of plasma previously basified with NaOH 0.1 M. Chromatographic separation was carried on Waters Spherisorb^®S5 ODS2 C₁₈ column (150...

article

Expression analysis of the α-1,2-mannosidase from the mycoparasitic fungus Trichoderma harzianum

Paulo Roberto da Mota, Marcela Suriani Ribeiro, Raphaela de Castro Georg, Gabrielle Rosa Silva, more

Biological Control > 2016 > 95 > C > 1-4

A range of hydrolytic enzymes are involved in mycoparasitism, including chitinases, β-glucanases and proteases. Recent studies of Trichoderma harzianum interaction with certain phytopathogens have shown that other enzymes may also be involved in this mechanism, among them α-1,2-mannosidases. These enzymes play an essential role in glycoprotein recycling in filamentous fungi, but nothing is known about...

article

Chiral Copper(II) Bis(oxazoline) Complexes Directly Coordinated to Amine‐Functionalized Phenylene/Biphenylene Periodic Mesoporous Organosilicas as Heterogeneous Catalysts

Liliana Carneiro, Ana Rosa Silva, Mirtha A. O. Lourenço, Alvaro Mayoral, more

European Journal of Inorganic Chemistry > 2016 > 3 > 413 - 421

Copper(II) complexes with commercial chiral bis(oxazoline)s were for the first time directly coordinated onto amine‐modified mesoporous phenylene and biphenylene silicas. All final materials maintained the 2D ordered mesoporous structure. The copper metal coordinates directly to the amine groups within the walls of the materials. The materials were tested as asymmetric heterogeneous catalysts in the...

article

Discriminative Dissolution Method for Benzoyl Metronidazole Oral Suspension

Aline Santos Silva, Carlos Eduardo Rosa Silva, Fávero Reisdorfer Paula, Fabiana Ernestina Barcellos Silva

AAPS PharmSciTech > 2016 > 17 > 3 > 778-786

A dissolution method for benzoyl metronidazole (BMZ) oral suspensions was developed and validated using a high-performance liquid chromatography (HPLC) method. After determination of sink conditions, dissolution profiles were evaluated using different dissolution media and agitation speeds. The sample insertion mode in dissolution media was also evaluated. The best conditions were obtained using a...

article

Amino-modified periodic mesoporous biphenylene-silica

Mirtha A.O. Lourenço, Alvaro Mayoral, Isabel Díaz, Ana Rosa Silva, more

Microporous and Mesoporous Materials > 2015 > 217 > Complete > 167-172

The amination reaction of biphenylene moieties in crystal-like mesoporous silica (Bph-PMO) is successfully achieved with a density of 3.17 mmol g⁻¹. The amination occurs approximately in every aromatic ring of the biphenylene bridge in the position 2 and 2′, leading to above 50% of the biphenylene group di-aminated. The structural integrity of the synthetized material is preserved during the strong...

chapter

A Bayesian Game Based Optimization Strategy Proposal for Routing in Energy Constrained DTNs

Sergio Luiz Freitas Maia, Ederson Rosa Silva, Paulo Roberto Guardieiro

2015 XXXIII Brazilian Symposium on Computer Networks and Distributed Systems > 1 - 9

2015 XXXIII Brazilian Symposium on Computer Networks and Distributed Systems (SBRC)

In this paper, we propose an optimization strategy to be applied to a well-known DTN routing algorithm as PRoPHET and SimBetTS which, by default, don't regard to the issue of energy constraint. Our proposed strategy is based on modeling of the message forwarding as a Bayesian game that aims specifically to capture the dynamic nature of the multi-copy replication decisions, the energy constraint of...

article

Bi–Mn mixed metal organic oxide: A novel 3d-6p mixed metal coordination network

Fa-Nian Shi, Ana Rosa Silva, Liang Bian

Journal of Solid State Chemistry > 2015 > 225 > C > 45-52

A new terminology of metal organic oxide (MOO) was given a definition as a type of coordination polymers which possess the feature of inorganic connectivity between metals and the direct bonded atoms and show 1D, 2D or 3D inorganic sub-networks. One such compound was shown as an example. A 3d-6p (Mn–Bi. Named MOOMnBi) mixed metals coordination network has been synthesized via hydrothermal method....

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INFONA - science communication portal

Search results for: Rosa Silva

Effect of glutamine and cysteine supplementation on quality of cryopreserved sperm of South American silver catfish

Crude glycerol inclusion in diets for post‐larvae Rhamdia voulezi and Rhamdia branneri

Effects of cysteine supplementation on the quality of cryopreserved sperm of South American silver catfish

Evidence that tolerance of Eutrema salsugineum to low phosphate conditions is hard-wired by constitutive metabolic and root-associated adaptations

Growth of magnetic cobalt hexacyanoferrate nanoparticles onto bacterial cellulose nanofibers

Screening of plant growth promotion ability among bacteria isolated from field-grown sorghum under different managements in Brazilian drylands

Optical properties and antiangiogenic activity of a chalcone derivate

Systemic Inflammation Changes the Site of RAGE Expression from Endothelial Cells to Neurons in Different Brain Areas

The unique tRNA^Sec and its role in selenocysteine biosynthesis

FTO rs9939609 A allele influences anthropometric outcome in response to dietary intervention, but not in response to physical exercise program

Synthesis, Crystal Structure, and Catalytic Properties of Porous 3d‐4f Heterometallic Coordination Polymers Constructed from Pyrazine‐2,3‐dicarboxylic Acid

High prevalence of skin and wound care of hospitalized elderly in Brazil: a prospective observational study

Crude glycerol in diets for Nile tilapia sex reversal (Oreochromis niloticus, Linnaeus 1758)

Simple HPLC‐UV for the quantification of a new leishmanicidal candidate (E)‐1‐4(trifluoromethyl) benzylidene)‐5‐(2‐4‐dichlorozoyl) carbonylhydrazine (LASSBio‐1736) in rat plasma for pharmacokinetics assessment

Expression analysis of the α-1,2-mannosidase from the mycoparasitic fungus Trichoderma harzianum

Chiral Copper(II) Bis(oxazoline) Complexes Directly Coordinated to Amine‐Functionalized Phenylene/Biphenylene Periodic Mesoporous Organosilicas as Heterogeneous Catalysts

Discriminative Dissolution Method for Benzoyl Metronidazole Oral Suspension

Amino-modified periodic mesoporous biphenylene-silica

A Bayesian Game Based Optimization Strategy Proposal for Routing in Energy Constrained DTNs

Bi–Mn mixed metal organic oxide: A novel 3d-6p mixed metal coordination network

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