Search results for: Rosa Silva

Items from 1 to 20 out of 64 results

article

Ruellia blechum: A new case of cleistogamy in Acanthaceae

Olavo Honório Corrêa Bonzanini, Milena Rodrigues Soares, Devando Rosa Silva, Raphael Matias

Cleistogamy is characterized by the presence of flowers that are permanently closed, yet they still produce fruits and seeds through autonomous self‐pollination. Populations with cleistogamous flowers can also have flowers that open, called chasmogamous, which promote cross‐pollination and genetic variability. Acanthaceae is among the families with the highest frequency of cleistogamy, observed mainly...

article

The stingless bee Trigona spinipes (Hymenoptera: Apidae) is at risk from a range of insecticides via direct ingestion and trophallactic exchanges

Renata Cunha Pereira, José Olívio Lopes Vieira Júnior, João Victor Panisset Lima Barcelos, Ludimila Simões Peçanha, more

Pest Management Science > 80 > 4 > 2188 - 2198

BACKGROUND The stingless bee, Trigona spinipes, is an important pollinator of numerous native and cultivated plants. Trigona spinipes populations can be negatively impacted by insecticides commonly used for pest control in crops. However, this species has been neglected in toxicological studies. Here we observed the effects of seven insecticides on the survival of bees that had fed directly on insecticide‐contaminated...

article

The flip‐flops sandal sign: A semiotic evidence of chronic venous insufficiency in patients with stasis dermatitis

Guilherme Almeida Rosa Silva, Walter A. Eyer‐Silva, Marcelo Costa Velho Mendes Azevedo

International Wound Journal > 21 > 3 > n/a - n/a

article

Numerical microstructural optimization for the hydrogen electrode of solid oxide cells

Manon Prioux, Eduardo Da Rosa Silva, Maxime Hubert, Julien Vulliet, more

Fuel Cells > 23 > 6 > 408 - 419

A multiscale model has been used to optimize the microstructure of a classical hydrogen electrode made of nickel and yttria‐stabilized zirconia (Ni‐8YSZ). For this purpose, a 3D reconstruction of a reference electrode has been obtained by X‐ray nano‐holotomography. Then, a large dataset of synthetic microstructures has been generated around this reference with the truncated Gaussian random field method,...

article

Açaí palm management disturbs seed rain and soil seed bank of an Amazonian estuarine forest

Gabriele Rosa Silva, Marcelo Tabarelli, Mário Augusto Gonçalves Jardim, Eniel David Cruz, more

Austral Ecology > 48 > 6 > 1132 - 1153

The exploitation of non‐timber forest products has been proposed as a sustainable way to exploit tropical forests, but such an opportunity remains to be proved. Here, we examine the impact of intensive açaí palm (Euterpe oleracea) management on the seed rain and soil seed bank in an estuarine forest landscape with a long history of forest management by locals in the Amazon region. Seed rain (100 80...

article

An unusual occurrence of oral mucocele: A case report and literature review

Kaique Leite Lima, Lorena Rosa Silva, Eneida Franco Vêncio, Fernanda Paula Yamamoto‐Silva, more

International Journal of Paediatric Dentistry > 33 > 4 > 418 - 421

article

Lethal and sublethal effects of insecticides used in the management of Plutella xylostella (Lepidoptera: Plutellidae) on the predator Cycloneda sanguinea L. (Coleoptera: Coccinellidae)

Wanderson Rosa Silva, Renata Cunha Pereira, Laís Viana Paes Mendonça, Ludimila Simões Peçanha, more

Pest Management Science > 78 > 10 > 4397 - 4406

BACKGROUND The application of synthetic insecticides is the main strategy used to reduce the damage caused by the diamondback moth Plutella xylostella in commercial Brassica crops. However, incorrect insecticide use can cause biological and ecological disturbances in agroecosystems. Cycloneda sanguinea is a generalist voracious predator and is distributed widely in cultivated and noncultivated ecosystems...

article

Prediction of fumonisins B₁ and B₂ in corn distiller's dried grains with solubles through near‐infrared reflectance spectroscopy

Denize Tyska, Adriano Olnei Mallmann, Cristina Tonial Simões, Cristiane Rosa Silva, more

Journal of the Science of Food and Agriculture > 102 > 11 > 4514 - 4521

BACKGROUND Distiller's dried grains with solubles (DDGS) are coproducts of the biofuel industries that use corn as raw material. This cereal is commonly contaminated by mycotoxins, including fumonisins (FBs), which can pose a serious health threat to humans and animals. Corn DDGS are typically used as a protein‐rich animal feed. As mycotoxins from the original cereal grains become concentrated in...

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...

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INFONA - science communication portal

Search results for: Rosa Silva

Ruellia blechum: A new case of cleistogamy in Acanthaceae

The stingless bee Trigona spinipes (Hymenoptera: Apidae) is at risk from a range of insecticides via direct ingestion and trophallactic exchanges

The flip‐flops sandal sign: A semiotic evidence of chronic venous insufficiency in patients with stasis dermatitis

Numerical microstructural optimization for the hydrogen electrode of solid oxide cells

Açaí palm management disturbs seed rain and soil seed bank of an Amazonian estuarine forest

An unusual occurrence of oral mucocele: A case report and literature review

Lethal and sublethal effects of insecticides used in the management of Plutella xylostella (Lepidoptera: Plutellidae) on the predator Cycloneda sanguinea L. (Coleoptera: Coccinellidae)

Prediction of fumonisins B₁ and B₂ in corn distiller's dried grains with solubles through near‐infrared reflectance spectroscopy

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

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