2019
DOI: 10.21577/0100-4042.20170416
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Biossensores Plasmônicos Baseados Em Espalhamento Raman Intensificado Por Superfície Utilizando Nanobastões De Ouroǁ

Abstract: Submetido para fazer parte do número especial em homenagem ao Prof. Hans Stammreich por ocasião do 50° aniversário do seu falecimento.

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Cited by 4 publications
(4 citation statements)
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“…As a result of these movements, distinct spectra of molecules are generated, providing a “fingerprint” of the analyte. The use of surface-enhanced Raman scattering (SERS) appears as an amplifier of Raman intensity, in the order of 10 6 and 10 8 fold, enabling its use in biological materials [ 78 , 79 , 80 ].…”
Section: New Methodologies For Direct Detection Of Flavivirusmentioning
confidence: 99%
See 1 more Smart Citation
“…As a result of these movements, distinct spectra of molecules are generated, providing a “fingerprint” of the analyte. The use of surface-enhanced Raman scattering (SERS) appears as an amplifier of Raman intensity, in the order of 10 6 and 10 8 fold, enabling its use in biological materials [ 78 , 79 , 80 ].…”
Section: New Methodologies For Direct Detection Of Flavivirusmentioning
confidence: 99%
“…Fourth, SERS labels are not susceptible to photobleaching. Finally, it has multiplex capability, as spectral widths are 10–100 times narrower than fluorescence labels, thus minimizing the overlap between different labels [ 78 , 79 , 80 ]. In addition, portable equipment is already available for measuring the spectra; therefore, this methodology can be used to perform diagnoses outside the laboratory.…”
Section: New Methodologies For Direct Detection Of Flavivirusmentioning
confidence: 99%
“…This enhancement of the electric field mainly allows the occurrence of plasmon-enhanced spectroscopic phenomena such as surface-enhanced Raman scattering (SERS) and surface-enhanced fluorescence (SEF). 6,7 SERS and SEF have been developed over the years to be applied in several areas, such as analytical chemistry, [6][7][8][9] biodiagnostics, [10][11][12] and materials science. [13][14][15] One major issue for plasmon-enhanced spectroscopies is the observation that nanoparticles of coinage metals (Au, Ag and Cu) interact strongly with each other and may form aggregates in suspension, which strongly affects both suspension stability and spectroscopic characteristics reproducibility.…”
Section: Introductionmentioning
confidence: 99%
“…As AgNPs, bem como as nanopartículas de ouro e de cobre, possuem a frequência do LSPR na região do visível e infravermelho próximo (PEIXOTO et al, 2019). É importante salientar que essa banda de absorção LSPR pode ser "deslocada e ajustada" a partir da variação de alguns fatores, como por exemplo, a morfologia e o tamanho da nanoestrutura (FENG et al, 2020).…”
Section: Agnpsunclassified