Search Results - "Vieira Júnior, Nilson Dias"

Hair fiber characteristics and methods to evaluate hair physical and mechanical properties by Velasco, Maria Valéria Robles, Dias, Tania Cristina de Sá, Freitas, Anderson Zanardi de, Júnior, Nilson Dias Vieira, Pinto, Claudinéia Aparecida Sales de Oliveira, Kaneko, Telma Mary, Baby, André Rolim

“…The hair thread is a natural fiber formed by keratin, a protein containing high concentration of sulfur coming from the amino acid cystine. The main physical…”
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Study of blood porphyrin spectral profile for diagnosis of tumor progression by Courrol, Lilia Coronato, de Oliveira Silva, Flávia Rodrigues, Coutinho, Enia Lúcia, Piccoli, Michelly França, Mansano, Ronaldo Domingues, Vieira Júnior, Nilson Dias, Schor, Nestor, Bellini, Maria Helena

“…Renal cell carcinoma (RCC) accounts for approximately 3% of new cancer incidence and mortality in the United States. Unfortunately many RCC masses remain…”
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Synthesis of silver nanoparticles using agar–agar water solution and femtosecond pulse laser irradiation by Matos, Ricardo Almeida de, Cordeiro, Thiago da Silva, Samad, Ricardo Elgul, Sicchieri, Letícia Bonfante, Vieira Júnior, Nilson Dias, Courrol, Lilia Coronato

“…[Display omitted] ► Green synthesis of spherical silver nanoparticles using agar–agar. ► Reduction of silver nanoparticles diameter by femtosecond pulse laser…”
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Prospective ultramorphological characterization of human hair by optical coherence tomography by Velasco, Maria Valéria Robles, Baby, André Rolim, Sarruf, Fernanda Daud, Kaneko, Telma Mary, Samad, Ricardo Elgul, Vieira Júnior, Nilson Dias, de Freitas, Anderson Zanardi

“…The continuous advancement in cosmetic science has led to an increasing demand for the development of non-invasive, reliable scientific techniques directed…”
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D-Scan measurement of ablation threshold incubation effects for ultrashort laser pulses by Machado, Leandro Matiolli, Samad, Ricardo Elgul, de Rossi, Wagner, Vieira Junior, Nilson Dias

“…We report the validation of the Diagonal Scan (D-Scan) technique to determine the incubation parameter for ultrashort laser pulses ablation. A theory to…”
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Optical properties and antimicrobial effects of silver nanoparticles synthesized by femtosecond laser photoreduction by dos Santos Courrol, Daniella, Regina Borges Lopes, Carla, da Silva Cordeiro, Thiago, Regina Franzolin, Marcia, Dias Vieira Junior, Nilson, Elgul Samad, Ricardo, Coronato Courrol, Lilia

“…•Tryptophan silver nanoparticles were synthesized by femtosecond laser photoreduction.•Effects of laser exposure time and pulse energy were studied.•Longer…”
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Morphological assessment of dentine and cementum following apicectomy with Zekrya burs and Er:YAG laser associated with direct and indirect Nd:YAG laser irradiation by de Moura, Abilio Albuquerque Maranhão, DMD, MSc, PhD, Moura-Netto, Cacio, DDS, MSc, PhD, Barletta, Fernando Branco, DDS, MSc, PhD, Vieira-Júnior, Nilson Dias, PhD, de Paula Eduardo, Carlos, DMD, MSc, PhD

“…Objectives This study aimed to assess the apical surface morphology of maxillary central incisors resected 3.0 mm from the tooth apex using Zekrya burs or…”
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Multimodal evaluation of ultra-short laser pulses treatment for skin burn injuries by Santos, Moises Oliveira Dos, Latrive, Anne, De Castro, Pedro Arthur Augusto, De Rossi, Wagner, Zorn, Telma Maria Tenorio, Samad, Ricardo Elgul, Freitas, Anderson Zanardi, Cesar, Carlos Lenz, Junior, Nilson Dias Vieira, Zezell, Denise Maria

“…Thousands of people die every year from burn injuries. The aim of this study is to evaluate the feasibility of high intensity femtosecond lasers as an…”
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Pulsed Nd:YAG laser welding of AISI 304 to AISI 420 stainless steels by Berretta, José Roberto, de Rossi, Wagner, David Martins das Neves, Maurício, Alves de Almeida, Ivan, Dias Vieira Junior, Nilson

“…The technique to weld AISI 304 stainless steel to AISI 420 stainless steel with a pulsed Nd:YAG laser has been investigated. The main objective of this study…”
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ICT Lifecycle and its major Role in the Development of Strategic Intelligence by Paletta, Francisco Carlos, Dias Vieira Junior, Nilson

“…In this article, we focus on the role of Information and Communication Technologies - ICT - to create additional sources of competitive advantage that can help…”
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Production of color centers in PMMA by ultrashort laser pulses by Samad, Ricardo Elgul, Courrol, Lilia Coronato, Lugão, Ademar Benévolo, Freitas, Anderson Zanardi de, Vieira, Nilson Dias

“…We report here the creation of color centers in commercial, transparent PMMA samples by ultrashort pulses from a Ti:Sapphire laser emitting at 800 nm, with…”
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Analytical quantification of low-density lipoprotein using europium tetracycline indicator by De Oliveira Silva, Flávia Rodrigues, Monteiro, Andrea Moreira, Neto, Antônio M. Figueiredo, Gidlund, Magnus, Junior, Nilson Dias Vieira, Courrol, Lilia Coronato

“…Low‐density lipoprotein (LDL) is known as ‘bad’ cholesterol. If too much LDL circulates in the blood it can be retained in the walls of the arteries, causing…”
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Information technology and communication and best practices in it lifecycle management by Paletta, Francisco Carlos, Dias Vieira Junior, Nilson

“…In this work, we focus on the role of Information and Communication Technologies – ICT - to create additional sources of competitive advantage that can help…”
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Development of dielectric de Laval nozzles for laser electron acceleration by ultrashort pulses micromachining by Chiomento, Bruno Britto, Zuffi, Armando V. F., Junior, Nilson Dias Vieira, Tabacow, Fabio B. D., Maldonado, Edson P., Samad, Ricardo Elgul

“…This work reports the development and experimental implementation of a methodology for manufacturing submillimetric de Laval nozzles by ultrashort laser pulses…”
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Correlation Between Autofluorescence Intensity and Tumor Area in Mice Bearing Renal Cell Carcinoma by Bellini, Maria Helena, Coutinho, Enia Lúcia, Courrol, Lilia Coronato, Rodrigues de Oliveira Silva, Flávia, Vieira Júnior, Nilson Dias, Schor, Nestor

“…Protoporphyrin IX (PpIX) is a porphyrin derivative that is accumulated in cancerous tissue in consequence of the tumor-specific metabolic alterations. The aim…”
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Microtensile bond strength to Er:YAG laser pretreated dentin by Da Graça Lopes, Roberta Marques, Steiner-Oliveira, Carolina, Aranha, Ana Cecília Côrrea, Castellan, Carina Strano, Bello-Silva, Marina Stella, Dias Vieira Júnior, Nilson, De Paula Eduardo, Carlos

“…Objective: Although the effects of Er:YAG  (erbium:yttrium aluminium garnet) laser on cavity  preparation as well as on dentin bonding to composite  have been…”
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Enhancement of europium luminescence in tetracycline-europium complexes in the presence of urea hydrogen peroxide by da Silva, Flávia Rodrigues, Courrol, Lilia Coronato, Tarelho, Luis Vicente Gomes, Gomes, Laércio, Júnior, Nilson Dias Vieira

“…An increase in the europium emission band was observed, for the first time, with addition of urea hydrogen peroxide to the tetracycline-europium…”
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High Intensity ultrashort laser pulses and their applications at IPEN by Samad, Ricardo Elgul, Maldonado, Edison Puig, de Rossi, Wagner, Junior, Nilson Dias Vieira

“…Ultrashort laser pulses interact with matter in unique, nonselective ways, due to electronic direct excitation in an ultrafast time scale. Additionally, these…”
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Laser wakefield electron accelerator: possible use for radioisotope production by Vieira, Nilson Dias, Maldonado, Edison Puig, Bonatto, Alexandre, Nunes, Roger Pizzato, Banerjee, Sudeep, Genezini, Frederico Antonio, Moralles, Mauricio, Zuffi, Armando V. F., Samad, Ricardo Elgul

“…Electron beams generated by laser wakefield acceleration can induce a photoneutron reaction to convert 100 Mo into 99 Mo. Multi-pC, several-MeV electron beams,…”
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Self-modulated laser-plasma acceleration in a H2 gas target, simulated in a spectral particle-in-cell algorithm: wakefield and electron bunch properties by Maldonado, Edison Puig, Elgul Samad, Ricardo, Felicio Zuffi, Armando Valter, Bittencourt Dutra Tabacow, Fabio, Dias Vieira, Nilson

“…We evaluate the results of self-modulated, laser wakefield acceleration of electrons in homogeneous, 150-μm-thick hydrogen gas target, simulated using the…”
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