Search Results - "Guerra, Marcelo"

Distribution of 45S rDNA sites in chromosomes of plants: structural and evolutionary implications by Roa, Fernando, Guerra, Marcelo

“…45S rDNA sites are the most widely documented chromosomal regions in eukaryotes. The analysis of the distribution of these sites along the chromosome in…”
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Agmatoploidy and symploidy: a critical review by Guerra, Marcelo

“…Agmatoploidy is a type of chromosome rearrangement that involves the fragmentation of an entire chromosome complement, generating a diploid with double its…”
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Condensation patterns of prophase/prometaphase chromosome are correlated with H4K5 histone acetylation and genomic DNA contents in plants by Feitoza, Lidiane, Costa, Lucas, Guerra, Marcelo

“…Mitotic prophase chromosome condensation plays an essential role in nuclear division being therefore regulated by highly conserved mechanisms. However, degrees…”
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Functional recovery of elderly patients with surgically-treated intertrochanteric fractures: preliminary results of a randomised trial comparing the dynamic hip screw and proximal femoral nail techniques by Guerra, Marcelo T.E, Pasqualin, Sandro, Souza, Marcos Paulo, Lenz, Renata

“…Abstract Introduction Intertrochanteric fractures of the femur are prevalent in the elderly, and leave patients with functional restrictions after surgical…”
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Performance evaluation of collision–reaction interface and internal standardization in quadrupole ICP-MS measurements by Salazar, Rodrigo F.S., Guerra, Marcelo B.B., Pereira-Filho, Edenir R., Nóbrega, Joaquim A.

“…► The combination of CRI-technology and internal standards for ICP-QMS is here discussed. ► Non-spectral and spectral interferences are minimized. ► Figures of…”
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Monocentric chromosomes in Juncus (Juncaceae) and implications for the chromosome evolution of the family by Guerra, Marcelo, Ribeiro, Tiago, Felix, Leonardo P

“…Abstract Holocentric chromosomes are rare among angiosperms, but have been suggested to be shared by all or most of the species of Cyperaceae and Juncaceae…”
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Post-catastrophe Analysis of the Fundão Tailings Dam Failure in the Doce River System, Southeast Brazil: Potentially Toxic Elements in Affected Soils by Guerra, Marcelo Braga Bueno, Teaney, Brian T., Mount, Brianna J., Asunskis, Daniel J., Jordan, Brennan T., Barker, Ryan J., Santos, Eliana E., Schaefer, Carlos Ernesto G. R.

“…On November 5, 2015, after the collapse of the Fundão tailings dam, a massive amount of iron mine waste was released into the Doce River system in southeast…”
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A chemometric approach exploring Derringer's desirability function for the simultaneous determination of Cd, Cr, Ni and Pb in micronutrient fertilizers by laser-induced breakdown spectroscopy by Nunes, Lidiane Cristina, Pereira-Filho, Edenir Rodrigues, Guerra, Marcelo Braga Bueno, Krug, Francisco José

“…Given the large variety of raw materials used in manufacturing micronutrient fertilizers, the quantitative determination of Cd, Cr, Ni and Pb in such complex…”
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A Systematic Review of the Effects of Automatic Scoring and Automatic Feedback in Educational Settings by Hahn, Marcelo Guerra, Navarro, Silvia Margarita Baldiris, De La Fuente Valentin, Luis, Burgos, Daniel

“…Automatic scoring and feedback tools have become critical components of online learning proliferation. These tools range from multiple-choice questions to…”
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Fast and effective arsenic removal from aqueous solutions by a novel low-cost eggshell byproduct by Ribeiro, Ivan Célio Andrade, Vasques, Isabela Cristina Filardi, Teodoro, Jéssica Cristina, Guerra, Marcelo Braga Bueno, da Silva Carneiro, Jefferson Santana, Melo, Leônidas Carrijo Azevedo, Guilherme, Luiz Roberto Guimarães

“…Developing alternative green solutions for local and correct recycling of eggshells waste (ES) are needed by the egg-processing industries. In this study, we…”
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In situ Determination of K, Ca, S and Si in Fresh Sugar Cane Leaves by Handheld Energy Dispersive X-Ray Fluorescence Spectrometry by Guerra, Marcelo, Adame, Andressa, de Almeida, Eduardo, Brasil, Marcos, Schaefer, Carlos, Krug, Francisco

“…A portable energy dispersive X-ray fluorescence spectrometer was evaluated in the in situ analysis of fresh sugar cane leaves for real time plant nutrition…”
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Does the chromosomal position of 35S rDNA sites influence their transcription? A survey on Nothoscordum species (Amaryllidaceae) by Báez, Mariana, Souza, Gustavo, Guerra, Marcelo

“…35S ribosomal DNA (rDNA) sites are the regions where the ribosomal genes 18S, 5.8S and 25S, responsible for the formation of the nucleoli, are found. The fact…”
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Soil Contamination by Toxic Metals Near an Antarctic Refuge in Robert Island, Maritime Antarctica: A Monitoring Strategy by de Lima Neto, Elias, Guerra, Marcelo Braga Bueno, Thomazini, André, Daher, Mayara, de Andrade, André Medeiros, Schaefer, Carlos Ernesto G. R.

“…The anthropogenic effects of Antarctic refuge buildings and research stations on the surrounding soils are scarcely investigated, especially when the…”
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The karyotype of Adenia and the origin of the base number x = 12 in Passifloroideae (Passifloraceae) by MELO, NATONIEL FRANKLIN DE, GUERRA, MARCELO

“…Abstract Adenia is an Old World genus of Passifloroideae closely related to Passiflora. The two genera comprise the large majority of Passifloroideae species,…”
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Chemical analysis and hydroalcoholic extract activity of ferns on the mutualist fungus of leafcutter ants by Lancellotti, Isabella Rodrigues, Araujo, Fábio Vieira, Rocha, Leandro Machado, Santos, Marcelo Guerra

“…Abstract Leafcutter ants are among the most important agricultural and forest pests in the Neotropical region, given that they use plant matter as substrate…”
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Molluscicidal and Cercaricidal Effects of Myrciaria floribunda Essential Oil Nanoemulsion by Machado, Francisco Paiva, Folly, Diogo, Esteves, Ricardo, Ruppelt, Bettina Monika, da Silva, Victoria Marques, Matos, Ana Paula dos Santos, Santos, José Augusto Albuquerque dos, Rangel, Leonardo da Silva, Santos, Marcelo Guerra, von Ranke, Natalia Lidmar, Rodrigues, Carlos Rangel, Ricci-Junior, Eduardo, Rocha, Leandro, Faria, Robson Xavier

“…Schistosomiasis is a tropical disease transmitted in an aqueous environment by cercariae from the Schistosoma genus. This disease affects 200 million people…”
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Effects of post combustion temperature on the wear of the supersonic nozzles in BOF lance tip by Garajau, Fabrício Silveira, Guerra, Marcelo de Souza Lima, Maia, Breno Totti, Cetlin, Paulo Roberto

“…This paper studies the influence of post-combustion on supersonic lance tip nozzles wear for an 80t converter, using CFD (Computational Fluid Dynamics)…”
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A synopsis of fern galls in Brazil by Santos, Marcelo Guerra, Maia, Valéria Cid

“…Abstract Galls are neo-formed plant structures induced by species-specific interaction between an inducing organism and a host plant. Lycophytes and ferns are…”
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Determination of inorganic nutrients in wheat flour by laser-induced breakdown spectroscopy and energy dispersive X-ray fluorescence spectrometry by Peruchi, Lidiane Cristina, Nunes, Lidiane Cristina, de Carvalho, Gabriel Gustinelli Arantes, Guerra, Marcelo Braga Bueno, de Almeida, Eduardo, Rufini, Iolanda Aparecida, Santos, Dário, Krug, Francisco José

“…Laser-induced breakdown spectroscopy (LIBS) and energy dispersive X-ray fluorescence spectrometry (EDXRF) were evaluated for the determination of P, K, Ca, Mg,…”
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Alterations induced by Tortrimosaica polypodivora on the stems of Microgramma vacciniifolia: simple or complex galls? by Martins, Gabriela Soares, Santos, Marcelo Guerra, Reis, Atiles, Ferreira, Bruno Garcia

“…Abstract Microgramma vacciniifolia, an epiphyte fern, hosts of two stem galls. One is induced by Tortrimosaica polypodivora (Lepidoptera), which can also…”
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