Výsledky vyhledávání - "João Lucas Rangel"

Molecular structure, natural bond analysis, vibrational and electronic spectra, surface enhanced Raman scattering and Mulliken atomic charges of the normal modes of [Mn(DDTC) 2 ] complex

Autor: Claudio A. Téllez S, M.A. Mondragón, Airton Abrahão Martin, G. Müller Lima, João Lucas Rangel, Anilton C. Costa, Glaucio B. Ferreira, O. Versiane

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 169:95-107

Theoretical and experimental bands have been assigned for the Fourier Transform Infrared and Raman spectra of the bis(diethyldithiocarbamate)Mn(II) complex, [Mn(DDTC)2]. The calculations have been based on the DFT/B3LYP method, second derivative spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbef141d2e9d8d9246614717d8728056
https://doi.org/10.1016/j.saa.2016.06.018

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Surface enhanced Raman scattering, electronic spectrum, natural bond orbital, and mulliken charge distribution in the normal modes of diethyldithiocarbamate copper (II) complex, [Cu(DDTC)2]

Autor: João Lucas Rangel, Leandro Raniero, M.A. Mondragón, N.C.V. Rost, Laís de Souza Vieira, O. Versiane, C.A. Téllez Soto, A.C. Costa, J.M. Ramos, Airton Abrahão Martin

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 116:546-555

Surface-enhanced Raman scattering (SERS) was used to study the interactions of the normal modes of the diethyldithiocarbamate copper (II) complex, [Cu(DDTC)2] on nano-structured mixture silver-gold surfaces and on silver surfaces. The electronic spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d86fe02943a09aebc35ed5092ace1bc
https://doi.org/10.1016/j.saa.2013.07.083

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Surface enhanced Raman scattering, electronic spectrum and Mulliken charge distribution in the normal modes of bis(diethyldithiocarbamate)zinc(II) complex

Autor: Leandro Raniero, Glaucio B. Ferreira, G. Bueno Costa, G.G.A. Bussi, João Lucas Rangel, G.F. Ondar, J.M. Ramos, Airton Abrahão Martin, O. Versiane, C.A. Téllez Soto, A.C. Costa, P. P. Favero

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 110:443-449

Surface-enhanced Raman scattering (SERS) was used to study the interactions of the normal modes of the bis(diethyldithiocarbamate)zinc(II) complex, [Zn(DDTC)2], on nano-structured silver surfaces. The electronic spectrum of this complex was measured

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78f849e7efb20a540d6a25d051e71aac
https://doi.org/10.1016/j.saa.2013.03.039

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Optical fiber Raman-based spectroscopy for oral lesions characterization: a pilot study

Autor: Lázaro Pinto Medeiros Neto, Airton Abrahão Martin, Inajara P. Oliveira, João Lucas Rangel, Isabelle Ferreira, Dárcio Kitakawa, Luis Felipe das Chagas e Silva de Carvalho

Publikováno v: SPIE Proceedings.

In the clinical daily life various lesions of the oral cavity have shown different aspects, generating an inconclusive or doubtful diagnosis. In general, oral injuries are diagnosed by histopathological analysis from biopsy, which is an invasive proc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b6ae8c7042d2174b910d95583155eeb
https://doi.org/10.1117/12.2212656

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Study of the vitamins A, E and C esters penetration into the skin by confocal Raman spectroscopy in vivo

Autor: Debora Isensee, Carine Dal Pizzol, Borys Mogilevych, Gustavo De Campos Dieamant, Valeska C. A. Martinello, Airton Abrahão Martin, João Lucas Rangel

Publikováno v: Biophotonics South America.

Vitamins A, E and C play important role in skin homeostasis and protection. Hence, they are extensively used in many cosmetic and cosmeceutic products. However, their molecules are unstable, and do not easily penetrate into the skin, which drasticall

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::190be2c0d038269c3dd483562c1c24bd
https://doi.org/10.1117/12.2181016

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Analysis of the in vivo confocal Raman spectral variability in human skin

Autor: Airton Abrahão Martin, Borys Mogilevych, Laurita dos Santos, Mariane P.J. Sousa, João Lucas Rangel, Karen Julie Santos Grancianinov

Publikováno v: Biophotonics South America.

Biochemical composition of the skin changes in each layer and, therefore, the skin spectral profile vary with the depth. In this work, in vivo Confocal Raman spectroscopy studies were performed at different skin regions and depth profile (from the su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a67f338b6a6ad254bec4c429bcd6d23a
https://doi.org/10.1117/12.2181030

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Biochemical imaging of normal, adenoma, and colorectal adenocarcinoma tissues by Fourier transform infrared spectroscopy (FTIR) and morphological correlation by histopathological analysis: preliminary results

Autor: Cristiane Oliveira, João Lucas Rangel Silva, Emilia Angela Lo Schiavo Arisawa, Juliana Aparecida de Almeida Chaves Piva, Juliana Ferreira, Renata de Azevedo Canevari, Leandro Raniero, Carmen Silvia Passos Lima, Airton Abrahão Martin

Publikováno v: Research on Biomedical Engineering, Volume: 31, Issue: 1, Pages: 10-18, Published: MAR 2015
Research on Biomedical Engineering, Vol 31, Iss 1, Pp 10-18
Research on Biomedical Engineering v.31 n.1 2015
Research on Biomedical Engineering
Sociedade Brasileira de Engenharia Biomédica (SBEB)
instacron:SBEB

Introduction: The colorectal cancer is a major health problem worldwide. Histology is considered the gold standard for differential diagnosis. However, it depends on the observer's experience, which can lead to discrepancies and poor results. Spectro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18e77dc9716ff2879ddbb83677721d7a
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2446-47402015000100010&lng=en&tlng=en

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Confocal Raman spectroscopy: determination of natural moisturizing factor profile related to skin hydration

Autor: P. P. Favero, Maira Gaspar Tosato, João Lucas Rangel, Leandro Raniero, Ana Paula Teixeira, Airton Abrahão Martin

Publikováno v: Revista Brasileira de Engenharia Biomédica v.30 n.1 2014
Revista Brasileira de Engenharia Biomédica
Sociedade Brasileira de Engenharia Biomédica (SBEB)
instacron:SBEB
Revista Brasileira de Engenharia Biomédica, Volume: 30, Issue: 1, Pages: 11-16, Published: MAR 2014
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

Skin health and skin care to reduce the effects of aging are the main interests of many researchers. The skin is very important because it protects the body from various effects of the external environment, and studies of the largest organ of the hum

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac6e951d87c38ec91dbb9a61465c315f
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-31512014000100003

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Study of advanced rheumatoid arthritis

Autor: Carolina da Silva Carvalho, Luiz Eduardo Coelho Andrade, Leandro Raniero, Silene Peres Keusseyan, Juliana Ferreira-Strixino, João Lucas Rangel, Airton Abrahão Martin

Publikováno v: Revista Brasileira de Engenharia Biomédica, Volume: 30, Issue: 1, Pages: 54-63, Published: MAR 2014
Revista Brasileira de Engenharia Biomédica v.30 n.1 2014
Revista Brasileira de Engenharia Biomédica
Sociedade Brasileira de Engenharia Biomédica (SBEB)
instacron:SBEB

INTRODUCTION: Rheumatic diseases are considered public health problems affecting millions of people worldwide resulting in high and rising health-care costs. In this work, Fourier Transform Infrared spectroscopy associated to Partial Least Square reg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2c8929cfda5fd9f56812838c94704f8
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-31512014000100008&lng=en&tlng=en

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Surface enhancement Raman scattering of tautomeric thiobarbituric acid. Natural bond orbitals and B3LYP/6-311+G (d, p) assignments of the Fourier Infrared and Fourier Raman Spectra

Autor: Tibebe Lemma, P. P. Favero, Otavio Versiane, João Lucas Rangel, C.A. Téllez Soto, A.C. Costa Junior, Laís de Souza Vieira, J.M. Ramos, Airton Abrahão Martin, Grisset F. Ondar, Leandro Raniero

Publikováno v: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 114

Surface enhancement Raman scattering (SERS) of two tautomer of thiobarbituric acid was obtained using silver and gold nanoparticles. Large band enhancement in the region of the ν(C S), ν(C C), δ(CH2), and δ(CNH) vibrational modes was found. Natur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60e856c3c96af857d6c7525b2c04b2f9
https://pubmed.ncbi.nlm.nih.gov/23792287

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