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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
14/05/2021 |
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Data da última atualização: |
10/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
MONARETTO, T.; MORAES, T. B.; COLNAGO, L. A. |
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Afiliação: |
LUIZ ALBERTO COLNAGO, CNPDIA. |
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Título: |
Recent 1D and 2D TD NMR pulse sequences for plant science. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Plants, v. 10, n. 833, 2021. |
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DOI: |
https://doi.org/10.3390/plants10050833 |
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Idioma: |
Inglês |
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Conteúdo: |
Time domain nuclear magnetic resonance (TD–NMR) has been widely applied in plant science in the last four decades. Several TD–NMR instruments and methods have been developed for laboratory, green-house, and field studies. This mini-review focuses on the recent TD–NMR pulse sequences applied in plant science. One of the sequences measures the transverse relaxation time (T2 ) with minimal sample heating, using a lower refocusing flip angle and consequently lower specific absorption rate than that of conventional CPMG. Other sequences are based on a continuous wave free precession (CWFP) regime used to enhance the signal-to-noise ratio, to measure longitudinal (T1 ) and transverse relaxation time in a single shot experiment, and as alternative 2D pulse sequences to obtain T1–T2 and diffusion-T1 correlation maps. This review also presents some applications of these sequences in plant science. |
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Palavras-Chave: |
Carr-Purcell-Meiboom-Gill (CPMG); CWFP; Pulse sequence; Relaxation measurement; Time domain NMR. |
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Categoria do assunto: |
-- |
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Marc: |
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024 7 $ahttps://doi.org/10.3390/plants10050833$2DOI
100 1 $aMONARETTO, T.
245 $aRecent 1D and 2D TD NMR pulse sequences for plant science.$h[electronic resource]
260 $c2021
520 $aTime domain nuclear magnetic resonance (TD–NMR) has been widely applied in plant science in the last four decades. Several TD–NMR instruments and methods have been developed for laboratory, green-house, and field studies. This mini-review focuses on the recent TD–NMR pulse sequences applied in plant science. One of the sequences measures the transverse relaxation time (T2 ) with minimal sample heating, using a lower refocusing flip angle and consequently lower specific absorption rate than that of conventional CPMG. Other sequences are based on a continuous wave free precession (CWFP) regime used to enhance the signal-to-noise ratio, to measure longitudinal (T1 ) and transverse relaxation time in a single shot experiment, and as alternative 2D pulse sequences to obtain T1–T2 and diffusion-T1 correlation maps. This review also presents some applications of these sequences in plant science.
653 $aCarr-Purcell-Meiboom-Gill (CPMG)
653 $aCWFP
653 $aPulse sequence
653 $aRelaxation measurement
653 $aTime domain NMR
700 1 $aMORAES, T. B.
700 1 $aCOLNAGO, L. A.
773 $tPlants$gv. 10, n. 833, 2021.
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