Rafaella F. Fernandes

Publications12
h-index4
Citations51
Highly Influential Citations1
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Conjugated polyenes as chemical probes of life signature: use of Raman spectroscopy to differentiate polyenic pigments
Polyenes, which are represented by carotenes, carotenoids and conjugated polyenals, are some of the most important targets for astrobiology, because they can provide strong evidence of the presence… Expand
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Raman spectroscopy as a tool in differentiating conjugated polyenes from synthetic and natural sources.
This work presents the Raman spectroscopic characterization of synthetic analogs of natural conjugated polyenals found in octocorals, focusing the unequivocal identification of the chemical species… Expand
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Vibrational spectroscopic study of some quinoline derivatives
Abstract This work deals with the successful synthesis, spectroscopic properties (Raman and infrared) and theoretical calculations of some quinoline derivatives, namely 4-azido-7-chloroquinoline and… Expand
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FT-Raman spectroscopy of the Candelaria and Pyxine lichen species: A new molecular structural study
Abstract In this work the chemistry of the lichens Candelaria fibrosa and Pyxine coccifera have been investigated for the first time using FT-Raman spectroscopy with the help of quantum mechanical… Expand
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Raman spectroscopy as a tool to the in situ study of three lichens species from Antarctica and Brazil
In this investigation the chemistry of the lichens Gondwania regalis, Teloschistes exilis and Xanthoria candelaria (Teloschistaceae) have been recorded by means of Raman spectroscopy. The… Expand
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Nature of light-absorbing pigments from Brazilian lichens identified by Raman spectroscopy
Abstract Light-absorbing pigments from different chemical classes have been identified from the lichens Usnea sp. and Crocodia aurata using Raman spectroscopy supported by quantum mechanical DFT… Expand
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Raman spectroscopic analysis of a belltower commemorative wall decoration
The Raman spectroscopic analysis of a rare wall decoration in a church belltower, depicting the initials of couples married there in circular roundels over some 230 years, since 1777, has been… Expand
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Caracterização espectroscópica de liquens do Brasil e da Antártida
Neste trabalho, a composicao quimica dos liquens Gondwania regalis, Teloschistes exilis, Xanthoria candelaria, Candelaria fibrosa, Pyxine coccifera, Usnea sp e Crocodia aurata foi avaliada pela… Expand
apid assessment of chemical compounds from Phyllogorgia dilatata sing Raman spectroscopy
The gorgonian Phyllogorgia dilatata is endemic to the Brazilian coast which is listed as threatened with extinction. This species is known to produce sterols, monoto tetra-terpenes, conjugated… Expand
Rapid assessment of chemical compounds from Phyllogorgia dilatata using Raman spectroscopy
The gorgonian Phyllogorgia dilatata is endemic to the Brazilian coast which is listed as threatened with extinction. This species is known to produce sterols, mono- to tetra-terpenes, conjugated… Expand
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