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Registro Completo |
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
04/08/2021 |
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Data da última atualização: |
11/03/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, C. A. da; GARCIA, C. A. B.; SANTANA, H. L. P. de; PONTES, G. C. de; WASSERMAN, J. C.; COSTA, S. S. L. da. |
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Afiliação: |
CARLOS ALBERTO DA SILVA, CPATC; CARLOS A. B. GARCIA, UFS; HORTENCIA L. P. DE SANTANA, UFS; GABRIELA C. DE PONTES, UFF; JULIO C. WASSERMAN, UFF; SILVANIO S. L. DA COSTA, UFS. |
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Título: |
Metal and metalloid concentrations in marine fish marketed in Salvador, BA, northeastern Brazil, and associated human health risks. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Regional Studies in Marine Science, v. 43, 101716, 2021. |
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ISSN: |
2352-4855 |
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DOI: |
https://doi.org/10.1016/j.rsma.2021.101716 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Arsênio; Cádimo. |
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Thesagro: |
Alimentação; Chumbo; Comercio; Contaminação; Mercúrio; Metal; Peixe; Peixe Marinho; Saúde; Saúde Pública; Tóxico; Toxicologia de Alimento. |
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Thesaurus Nal: |
Fish; Human health; Marine fish; Market analysis; Metalloids. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/224795/1/Metal-and-metalloid-concentrations-in-marine-fish-marketed-in-Salvador.pdf
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Marc: |
LEADER 01194naa a2200421 a 4500
001 2133209
005 2024-03-11
008 2021 bl uuuu u00u1 u #d
022 $a2352-4855
024 7 $ahttps://doi.org/10.1016/j.rsma.2021.101716$2DOI
100 1 $aSILVA, C. A. da
245 $aMetal and metalloid concentrations in marine fish marketed in Salvador, BA, northeastern Brazil, and associated human health risks.$h[electronic resource]
260 $c2021
650 $aFish
650 $aHuman health
650 $aMarine fish
650 $aMarket analysis
650 $aMetalloids
650 $aAlimentação
650 $aChumbo
650 $aComercio
650 $aContaminação
650 $aMercúrio
650 $aMetal
650 $aPeixe
650 $aPeixe Marinho
650 $aSaúde
650 $aSaúde Pública
650 $aTóxico
650 $aToxicologia de Alimento
653 $aArsênio
653 $aCádimo
700 1 $aGARCIA, C. A. B.
700 1 $aSANTANA, H. L. P. de
700 1 $aPONTES, G. C. de
700 1 $aWASSERMAN, J. C.
700 1 $aCOSTA, S. S. L. da
773 $tRegional Studies in Marine Science$gv. 43, 101716, 2021.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
20/10/2021 |
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Data da última atualização: |
20/10/2021 |
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Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
NOVOTNY, E. H.; HAYES, M. H. B.; AZEVEDO, E. R. de; BONAGAMBA, T. J. |
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Afiliação: |
ETELVINO HENRIQUE NOVOTNY, CNPS; MICHAEL H. B. HAYES, UNIVERSITY OF LIMERICK; EDUARDO R. DE AZEVEDO, USP; TITO J. BONAGAMBA, USP. |
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Título: |
Characterisation of black carbon-rich samples by 13C solid-state nuclear magnetic resonance. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Naturwissenschaften, v. 93, p. 447-450, 2006. |
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DOI: |
https://doi.org/10.1007/s00114-006-0126-x |
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Idioma: |
Inglês |
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Notas: |
Short communication. |
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Conteúdo: |
There are difficulties in quantifying and characterising the organic matter (OM) in soils that contain significant amounts of partially oxidised char or charcoal materials. The anthropogenic black carbon (BC), such as that found in the Terra Preta de Índio soils of the Amazon region, is a good example of the OM that is difficult to analyse in such soils. 13C direct polarisation/magic angle spinning (DP/MAS) at high MAS frequency, 1H-13C cross polarisation (CP)/MAS with total suppression of spinning sidebands (TOSS), and chemical shift anisotropy (CSA) filter nuclear magnetic resonance techniques have been applied successfully for quantifying the different components of OM. However, because pyrogenic materials present strong local magnetic susceptibility heterogeneities, the use of CSA-filter and TOSS make the pulse sequences very sensitive to imperfections in the π pulses. In this study, the DP/MAS pulse sequence was replaced by a CP with a radio frequency ramp-variable amplitude CP (VACP)-VACP/MAS pulse sequence, and composite π pulses were used in the CSA-filter and TOSS pulse sequences. In that way, the component functionalities in a humic acid from a BC soil were successfully determined. The spectrometer time needed was greatly decreased by employing this VACP/MAS technique. This development provides an accurate method for characterising BC-rich samples from different origins. |
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Palavras-Chave: |
Black carbon; Chemical shift anisotropy; International Humic Substance Society; Magic angle spin. |
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Thesaurus NAL: |
Humic acids. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02184naa a2200241 a 4500
001 2135461
005 2021-10-20
008 2006 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00114-006-0126-x$2DOI
100 1 $aNOVOTNY, E. H.
245 $aCharacterisation of black carbon-rich samples by 13C solid-state nuclear magnetic resonance.$h[electronic resource]
260 $c2006
500 $aShort communication.
520 $aThere are difficulties in quantifying and characterising the organic matter (OM) in soils that contain significant amounts of partially oxidised char or charcoal materials. The anthropogenic black carbon (BC), such as that found in the Terra Preta de Índio soils of the Amazon region, is a good example of the OM that is difficult to analyse in such soils. 13C direct polarisation/magic angle spinning (DP/MAS) at high MAS frequency, 1H-13C cross polarisation (CP)/MAS with total suppression of spinning sidebands (TOSS), and chemical shift anisotropy (CSA) filter nuclear magnetic resonance techniques have been applied successfully for quantifying the different components of OM. However, because pyrogenic materials present strong local magnetic susceptibility heterogeneities, the use of CSA-filter and TOSS make the pulse sequences very sensitive to imperfections in the π pulses. In this study, the DP/MAS pulse sequence was replaced by a CP with a radio frequency ramp-variable amplitude CP (VACP)-VACP/MAS pulse sequence, and composite π pulses were used in the CSA-filter and TOSS pulse sequences. In that way, the component functionalities in a humic acid from a BC soil were successfully determined. The spectrometer time needed was greatly decreased by employing this VACP/MAS technique. This development provides an accurate method for characterising BC-rich samples from different origins.
650 $aHumic acids
653 $aBlack carbon
653 $aChemical shift anisotropy
653 $aInternational Humic Substance Society
653 $aMagic angle spin
700 1 $aHAYES, M. H. B.
700 1 $aAZEVEDO, E. R. de
700 1 $aBONAGAMBA, T. J.
773 $tNaturwissenschaften$gv. 93, p. 447-450, 2006.
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