Search Results - "Cançado, L G"

Quantifying Defects in Graphene via Raman Spectroscopy at Different Excitation Energies by Cançado, L. G, Jorio, A, Ferreira, E. H. Martins, Stavale, F, Achete, C. A, Capaz, R. B, Moutinho, M. V. O, Lombardo, A, Kulmala, T. S, Ferrari, A. C

“…We present a Raman study of Ar+-bombarded graphene samples with increasing ion doses. This allows us to have a controlled, increasing, amount of defects. We…”
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Group theory analysis of phonons in two-dimensional transition metal dichalcogenides by Ribeiro-Soares, J., Almeida, R. M., Barros, E. B., Araujo, P. T., Dresselhaus, M. S., Cançado, L. G., Jorio, A.

“…Transition metal dichalcogenides (TMDCs) have emerged as a new two-dimensional material's field since the monolayer and few-layer limits show different…”
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Influence of the atomic structure on the Raman spectra of graphite edges by CANCADO, L. G, PIMENTA, M. A, NEVES, B. R. A, DANTAS, M. S. S, JORIO, A

“…A study of step edges in graphite with different atomic structures combining Raman spectroscopy and scanning probe microscopy is presented. The orientation of…”
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Measuring the absolute Raman cross section of nanographites as a function of laser energy and crystallite size by Cançado, L. G., Jorio, A., Pimenta, M. A

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Nanoscale mapping of carbon oxidation in pyrogenic black carbon from ancient Amazonian anthrosols by Archanjo, B S, Baptista, D L, Sena, L A, Cançado, L G, Falcão, N P S, Jorio, A, Achete, C A

“…Understanding soil organic matter is necessary for the development of soil amendments, which are important for sustaining agriculture in humid tropical…”
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Anisotropy of the Raman spectra of nanographite ribbons by Cançado, L G, Pimenta, M A, Neves, B R A, Medeiros-Ribeiro, G, Enoki, Toshiaki, Kobayashi, Yousuke, Takai, Kazuyuki, Fukui, Ken-Ichi, Dresselhaus, M S, Saito, R, Jorio, A

“…A polarized Raman study of nanographite ribbons on a highly oriented pyrolytic graphite substrate is reported. The Raman peak of the nanographite ribbons…”
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Necator americanus infection: a possible cause of altered dendritic cell differentiation and eosinophil profile in chronically infected individuals by Fujiwara, Ricardo T, Cançado, Guilherme G L, Freitas, Paula A, Santiago, Helton C, Massara, Cristiano Lara, Dos Santos Carvalho, Omar, Corrêa-Oliveira, Rodrigo, Geiger, Stefan M, Bethony, Jeffrey

“…Hookworms survive for several years (5 to 7 years) in the host lumen, inducing a robust but largely ineffective immune response. Among the most striking…”
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General equation for the determination of the crystallite size La of nanographite by Raman spectroscopy by Cançado, L. G., Takai, K., Enoki, T., Endo, M., Kim, Y. A., Mizusaki, H., Jorio, A., Coelho, L. N., Magalhães-Paniago, R., Pimenta, M. A.

“…This work presents a systematic study of the ratio between the integrated intensities of the disorder-induced D and G Raman bands (ID∕IG) in nanographite…”
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Studying disorder in graphite-based systems by Raman spectroscopy by Pimenta, M A, Dresselhaus, G, Dresselhaus, M S, Cançado, L G, Jorio, A, Saito, R

“…Raman spectroscopy has historically played an important role in the structural characterization of graphitic materials, in particular providing valuable…”
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Resonance effects on the Raman spectra of graphene superlattices by Carozo, V., Almeida, C. M., Fragneaud, B., Bedê, P. M., Moutinho, M. V. O., Ribeiro-Soares, J., Andrade, N. F., Souza Filho, A. G., Matos, M. J. S., Wang, B., Terrones, M., Capaz, Rodrigo B., Jorio, A., Achete, C. A., Cançado, L. G.

“…In this work, a study of resonance effects in the Raman spectra of twisted bilayer graphene (tBLG) is presented. The analysis takes into account the effect of…”
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Measuring the degree of stacking order in graphite by Raman spectroscopy by Cançado, L.G., Takai, K., Enoki, T., Endo, M., Kim, Y.A., Mizusaki, H., Speziali, N.L., Jorio, A., Pimenta, M.A.

“…This manuscript reports the analysis of the G′ band profile in the Raman spectra of nanographites with different degrees of stacking order. Since the G′ band…”
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Double resonance Raman spectroscopy of single-wall carbon nanotubes by Saito, R, Grüneis, A, Samsonidze, Ge G, Brar, V W, Dresselhaus, G, Dresselhaus, M S, Jorio, A, Cançado, L G, Fantini, C, Pimenta, M A, Souza Filho, A G

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The use of Raman spectroscopy to characterize the carbon materials found in Amazonian anthrosoils by Ribeiro-Soares, J., Cançado, L. G., Falcão, N. P. S., Martins Ferreira, E. H., Achete, C. A., Jorio, A.

“…This manuscript presents the Raman characterization of the stable carbon materials found in a special type of soil, named Terra Preta de Índio (Indian Dark…”
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Mechanism of near-field Raman enhancement in one-dimensional systems by Cançado, L G, Jorio, A, Ismach, A, Joselevich, E, Hartschuh, A, Novotny, L

“…We develop a theory of near-field Raman enhancement in one-dimensional systems, and report supporting experimental results for carbon nanotubes. The…”
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In Situ Atomic Force Microscopy Tip-Induced Deformations and Raman Spectroscopy Characterization of Single-Wall Carbon Nanotubes by Araujo, P. T, Barbosa Neto, N. M, Chacham, H, Carara, S. S, Soares, J. S, Souza, A. D, Cançado, L. G, de Oliveira, A. B, Batista, R. J. C, Joselevich, E, Dresselhaus, M. S, Jorio, A

“…In this work, an atomic force microscope (AFM) is combined with a confocal Raman spectroscopy setup to follow in situ the evolution of the G-band feature of…”
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Microscopy and spectroscopy analysis of carbon nanostructures in highly fertile Amazonian anthrosoils by Jorio, A., Ribeiro-Soares, J., Cançado, L.G., Falcão, N.P.S., Dos Santos, H.F., Baptista, D.L., Martins Ferreira, E.H., Archanjo, B.S., Achete, C.A.

“…► Interdisciplinary nanotechnology approach to study Amazonian Dark Earth carbon. ► Electron microscopy/diffraction gives the chemical contents and morphology…”
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Late onset vedolizumab-induced eosinophilic pneumonia in a patient with ulcerative colitis by Faria, Leonardo M., Oliveira, Munira M., Faria, Anderson A., Vasconcellos, Ana Victoria O., Cançado, Guilherme G.L.

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Adalimumab-induced leukocytoclastic vasculitis in a Crohn’s disease patient by Cançado, Guilherme G.L., Nardelli, Mateus J., Gouthier, Mabely A.D.

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Acute generalized exanthematous pustulosis induced by itraconazole: an immunological approach by Cançado, G. G. L., Fujiwara, R. T., Freitas, P. A., Correa-Oliveira, R., Bethony, J. M.

“…Summary Acute generalized exanthematous pustulosis (AGEP) is an uncommon disease, which presents as a nonfollicular erythematous sterile pustular eruption…”
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Portal vein thrombosis in patients with hepatosplenic schistosomiasis who underwent oesophagogastric devascularization combined with splenectomy by Cançado, Guilherme G L, Nardelli, Mateus J, Barbosa, Fernanda A, Silva, Catherine F, Osório, Fernanda M F, Ferrari, Teresa C A, Couto, Claudia A, Faria, Luciana C

“…Background Portal vein thrombosis (PVT) has been described in nearly 50% of patients who underwent oesophagogastric devascularization combined with splenectomy…”
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