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| Registros recuperados : 45 | |
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Registro Completo
|
Biblioteca(s): |
Embrapa Instrumentação. |
|
Data corrente: |
12/07/2023 |
|
Data da última atualização: |
15/01/2024 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
LYSAK, D. H.; GRISI, M.; MARABLE, K.; CONLEY, G. M.; MICHAL, C. A.; MOXLEY-PAQUETTE, V.; WOLFF, W. W.; DOWNEY, K.; KOCK, F. V. C.; COSTA, P. M.; RONDA, K.; MORAES, T. B.; STEINER, K.; COLNAGO, L. A.; SIMPSON, A. J. |
|
Afiliação: |
LUIZ ALBERTO COLNAGO, CNPDIA. |
|
Título: |
Exploring the Potential of Broadband Complementary Metal Oxide Semiconductor Micro-Coil Nuclear Magnetic Resonance for Environmental Research. |
|
Ano de publicação: |
2023 |
|
Fonte/Imprenta: |
Molecules, v. 28, 5080, 2023. |
|
Páginas: |
14 p. |
|
DOI: |
https://doi.org/10.3390/molecules28135080 |
|
Idioma: |
Inglês |
|
Conteúdo: |
With sensitivity being the Achilles? heel of nuclear magnetic resonance (NMR), the superior mass sensitivity offered by micro-coils can be an excellent choice for tiny, mass limited samples such as eggs and small organisms. Recently, complementary metal oxide semiconductor (CMOS)-based micro-coil transceivers have been reported and demonstrate excellent mass sensitivity. However, the ability of broadband CMOS micro-coils to study heteronuclei has yet to be investigated, and here their potential is explored within the lens of environmental research. Eleven nuclei including 7Li, 19F, 31P and, 205Tl were studied and detection limits in the low to mid picomole range were found for an extended experiment. Further, two environmentally relevant samples (a sprouting broccoli seed and a D. magna egg) were successfully studied using the CMOS micro-coil system. 13C NMR was used to help resolve broad signals in the 1H spectrum of the 13C enriched broccoli seed, and steady state free precession was used to improve the signal-to-noise ratio by a factor of six. 19F NMR was used to track fluorinated contaminants in a single D. magna egg, showing potential for studying egg?pollutant interactions. Overall, CMOS micro-coil NMR demonstrates significant promise in environmental research, especially when the future potential to scale to multiple coil arrays (greatly improving throughput) is considered. |
|
Palavras-Chave: |
CMOS; Environmental NMR; Heteronuclei; Micro-coil NMR; Steady state free precession. |
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Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154925/1/P-Exploring-the-Potential-of-Broadband-Complementary-Metal-Oxide-Semiconductor.pdf
|
|
Marc: |
LEADER 02477naa a2200373 a 4500
001 2154925
005 2024-01-15
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3390/molecules28135080$2DOI
100 1 $aLYSAK, D. H.
245 $aExploring the Potential of Broadband Complementary Metal Oxide Semiconductor Micro-Coil Nuclear Magnetic Resonance for Environmental Research.$h[electronic resource]
260 $c2023
300 $a14 p.
520 $aWith sensitivity being the Achilles? heel of nuclear magnetic resonance (NMR), the superior mass sensitivity offered by micro-coils can be an excellent choice for tiny, mass limited samples such as eggs and small organisms. Recently, complementary metal oxide semiconductor (CMOS)-based micro-coil transceivers have been reported and demonstrate excellent mass sensitivity. However, the ability of broadband CMOS micro-coils to study heteronuclei has yet to be investigated, and here their potential is explored within the lens of environmental research. Eleven nuclei including 7Li, 19F, 31P and, 205Tl were studied and detection limits in the low to mid picomole range were found for an extended experiment. Further, two environmentally relevant samples (a sprouting broccoli seed and a D. magna egg) were successfully studied using the CMOS micro-coil system. 13C NMR was used to help resolve broad signals in the 1H spectrum of the 13C enriched broccoli seed, and steady state free precession was used to improve the signal-to-noise ratio by a factor of six. 19F NMR was used to track fluorinated contaminants in a single D. magna egg, showing potential for studying egg?pollutant interactions. Overall, CMOS micro-coil NMR demonstrates significant promise in environmental research, especially when the future potential to scale to multiple coil arrays (greatly improving throughput) is considered.
653 $aCMOS
653 $aEnvironmental NMR
653 $aHeteronuclei
653 $aMicro-coil NMR
653 $aSteady state free precession
700 1 $aGRISI, M.
700 1 $aMARABLE, K.
700 1 $aCONLEY, G. M.
700 1 $aMICHAL, C. A.
700 1 $aMOXLEY-PAQUETTE, V.
700 1 $aWOLFF, W. W.
700 1 $aDOWNEY, K.
700 1 $aKOCK, F. V. C.
700 1 $aCOSTA, P. M.
700 1 $aRONDA, K.
700 1 $aMORAES, T. B.
700 1 $aSTEINER, K.
700 1 $aCOLNAGO, L. A.
700 1 $aSIMPSON, A. J.
773 $tMolecules$gv. 28, 5080, 2023.
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