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Biblioteca(s): |
Embrapa Agroindústria de Alimentos. |
Data corrente: |
11/02/2011 |
Data da última atualização: |
11/02/2011 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
RAMOS, G. D. M.; SOUZA, G. F.; DAMASO, M. C. T.; ASCHERI, J. L. R.; SILVA, L. G.; COURI, S. |
Afiliação: |
GASPAR DIAS MONTEIRO RAMOS, UFRRJ; G. F. SOUZA, UEZO; MONICA CARAMEZ TRICHES DAMASO, CTAA; JOSE LUIS RAMIREZ ASCHERI, CTAA; L. G. SILVA, IFRJ; SONIA COURI, IFRJ. |
Título: |
Cinética da produção de fitase por fermentação semi-sólida usando a linhagem Aspergillus niger 11T53A9. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
In: SEMINÁRIO EM INOVAÇÃO E TECNOLOGIA NA ÁREA DE ALIMENTOS, 1., 2010, Rio de Janeiro. Resumos. Rio de Janeiro: IFRJ, 2010. |
Idioma: |
Português |
Palavras-Chave: |
Atividade fitase; Fermentação semi-sólida. |
Thesagro: |
Aspergillus Niger. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/27024/1/2010-196.pdf
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Marc: |
LEADER 00684nam a2200193 a 4500 001 1876791 005 2011-02-11 008 2010 bl uuuu u00u1 u #d 100 1 $aRAMOS, G. D. M. 245 $aCinética da produção de fitase por fermentação semi-sólida usando a linhagem Aspergillus niger 11T53A9. 260 $aIn: SEMINÁRIO EM INOVAÇÃO E TECNOLOGIA NA ÁREA DE ALIMENTOS, 1., 2010, Rio de Janeiro. Resumos. Rio de Janeiro: IFRJ$c2010 650 $aAspergillus Niger 653 $aAtividade fitase 653 $aFermentação semi-sólida 700 1 $aSOUZA, G. F. 700 1 $aDAMASO, M. C. T. 700 1 $aASCHERI, J. L. R. 700 1 $aSILVA, L. G. 700 1 $aCOURI, S.
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Embrapa Agroindústria de Alimentos (CTAA) |
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Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
13/11/2019 |
Data da última atualização: |
11/11/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
CHALK, P. M.; INACIO, C. de T.; CHEN, D. |
Afiliação: |
PHILLIP MICHAEL CHALK, UNIVERSITY OF MELBOURNE; CAIO DE TEVES INACIO, CNPS; DELI CHEN, UNIVERSITY OF MELBOURNE. |
Título: |
An overview of contemporary advances in the usage of 15N natural abundance (delta N-15) as a tracer of agro-ecosystem N cycle processes that impact the environment. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Agriculture, Ecosystems & Environment, v. 283, 106570, Nov. 2019. |
DOI: |
https://doi.org/10.1016/j.agee.2019.106570 |
Idioma: |
Inglês |
Conteúdo: |
During the past 20 years there have been major advances in the application of 15N natural abundance (NA) measurements to trace the pathways and magnitudes of N fluxes in the soil-plant-atmosphere continuum. However, estimates are often not quantitative due to the unknown extent of isotopic fractionation during a particular N transformation under study, when other processes compete simultaneously for substrate. Examples are the estimation of N fertilizer use efficiency or the transfer of biologically-fixed N2 to non-fixing companion species in intercrops or crop sequences. In some cases it has been possible to identify a particular process or source leading to a change in the relative isotopic composition (delta15N signature) of a system component, by innovative selection of experimental conditions that isolate the source or process from confounding factors. Nevertheless, there are examples where significant contemporary advances have occurred in the application of NA as a quantitative tracer, such as in the estimation of the symbiotic dependence of a range of N2 fixing plants. The key is the estimation of isotopic fractionation during N2 fixation and assimilation, and new knowledge has been obtained on factors contributing to variation, and new approaches devised to obtain more accurate estimates of fractionation. A second example is the innovative application of isotopomer measurements of the potent greenhouse gas N2O that enable presumptive identification of the biological and chemical processes resulting in its production under various agricultural scenarios. MenosDuring the past 20 years there have been major advances in the application of 15N natural abundance (NA) measurements to trace the pathways and magnitudes of N fluxes in the soil-plant-atmosphere continuum. However, estimates are often not quantitative due to the unknown extent of isotopic fractionation during a particular N transformation under study, when other processes compete simultaneously for substrate. Examples are the estimation of N fertilizer use efficiency or the transfer of biologically-fixed N2 to non-fixing companion species in intercrops or crop sequences. In some cases it has been possible to identify a particular process or source leading to a change in the relative isotopic composition (delta15N signature) of a system component, by innovative selection of experimental conditions that isolate the source or process from confounding factors. Nevertheless, there are examples where significant contemporary advances have occurred in the application of NA as a quantitative tracer, such as in the estimation of the symbiotic dependence of a range of N2 fixing plants. The key is the estimation of isotopic fractionation during N2 fixation and assimilation, and new knowledge has been obtained on factors contributing to variation, and new approaches devised to obtain more accurate estimates of fractionation. A second example is the innovative application of isotopomer measurements of the potent greenhouse gas N2O that enable presumptive identification of the biological... Mostrar Tudo |
Thesagro: |
Amônia; Composto Orgânico; Fertilizante; Nitrogênio; Solo. |
Thesaurus NAL: |
Ammonia; Composts; Fertilizers; Soil. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02420naa a2200265 a 4500 001 2114276 005 2021-11-11 008 2019 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.agee.2019.106570$2DOI 100 1 $aCHALK, P. M. 245 $aAn overview of contemporary advances in the usage of 15N natural abundance (delta N-15) as a tracer of agro-ecosystem N cycle processes that impact the environment.$h[electronic resource] 260 $c2019 520 $aDuring the past 20 years there have been major advances in the application of 15N natural abundance (NA) measurements to trace the pathways and magnitudes of N fluxes in the soil-plant-atmosphere continuum. However, estimates are often not quantitative due to the unknown extent of isotopic fractionation during a particular N transformation under study, when other processes compete simultaneously for substrate. Examples are the estimation of N fertilizer use efficiency or the transfer of biologically-fixed N2 to non-fixing companion species in intercrops or crop sequences. In some cases it has been possible to identify a particular process or source leading to a change in the relative isotopic composition (delta15N signature) of a system component, by innovative selection of experimental conditions that isolate the source or process from confounding factors. Nevertheless, there are examples where significant contemporary advances have occurred in the application of NA as a quantitative tracer, such as in the estimation of the symbiotic dependence of a range of N2 fixing plants. The key is the estimation of isotopic fractionation during N2 fixation and assimilation, and new knowledge has been obtained on factors contributing to variation, and new approaches devised to obtain more accurate estimates of fractionation. A second example is the innovative application of isotopomer measurements of the potent greenhouse gas N2O that enable presumptive identification of the biological and chemical processes resulting in its production under various agricultural scenarios. 650 $aAmmonia 650 $aComposts 650 $aFertilizers 650 $aSoil 650 $aAmônia 650 $aComposto Orgânico 650 $aFertilizante 650 $aNitrogênio 650 $aSolo 700 1 $aINACIO, C. de T. 700 1 $aCHEN, D. 773 $tAgriculture, Ecosystems & Environment$gv. 283, 106570, Nov. 2019.
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