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2. | | SANTOS, D. M. dos; PEIXOTO, R. T. dos G. Avaliação d parâmetros físicos e químicos durante a compostagem produzida com diferentes resíduos orgânicos. In: CONGRESSO DE PESQUISA, 2., JORNADA DE INICIAÇÃO CIENTÍFICAS DA UFRural/RJ, 14., 2004, Seropédica, RJ. Anais... Seropédica: Universidade Federal Rural do Rio de Janeiro, 2004. v. 14 p. 21-23. CD ROM. Área de Agronomia, JIC116.pdf Biblioteca(s): Embrapa Agrobiologia. |
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15. | | NASCIMENTO, W. M.; SANTOS, D. M. dos; BOITEUX, L. S. Qualidade fisiológica de semetnes de abóbora em função da idade dos frutos e do condicionamento das sementes. Horticultura Brasileira, Brasília, DF, v. 27, n. 2, p. S3952-S3957, ago. 2009. CD-ROM. Suplemento. Trabalho apresentado no 49. Congresso Brasileiro de Olericultura, Águas de Lindóia, SP. Biblioteca(s): Embrapa Hortaliças. |
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16. | | SANTOS, D. M. dos; PEREIRA FILHO, I. A.; LEMOS, J. W. V.; ALBUQUERQUE, M. M. de. Comparacao de sistemas de controle de ervas daninhas nas culturas de milho e feijao, isoladas e consorciadas. In: REUNIÃO SOBRE CULTURAS CONSORCIADAS NO NORDESTE, 1., 1983, Teresina. Anais... Teresina: EMBRAPA-UEPAE de Teresina, 1983. v. 1, p. 22. Biblioteca(s): Embrapa Semiárido. |
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18. | | FACURE, M. H. M.; SCHNEIDER, R.; ANDRE, R. S.; SANTOS, D. M. dos; CORREA, D. S. Detecção de antibióticos utilizando língua eletrônica à base de óxido de grafeno e dissulfeto de molibdênio. In: SIMPÓSIO NACIONAL DE INSTRUMENTAÇÃO AGROPECUÁRIA, 4., 2019, São Carlos, SP. Ciência, inovação e mercado: anais. São Carlos, SP: Embrapa Instrumentação, 2019. Editores: Paulino Ribeiro Villas-Boas, Maria Alice Martins, Débora Marcondes Bastos Pereira Milori, Ladislau Martin Neto. SIAGRO 2019. 583-586 Biblioteca(s): Embrapa Instrumentação. |
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Registros recuperados : 134 | |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
27/09/2022 |
Data da última atualização: |
25/11/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 5 |
Autoria: |
CONTI, P. P.; SANTOS, D. M. dos; GOLDTHORPE, I. A.; CORREA, D. S. |
Afiliação: |
DANIEL SOUZA CORREA, CNPDIA. |
Título: |
TiO2 hollow nanofiber/polyaniline nanocomposites for ammonia detection at room temperature. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Chemistry of Nanomaterials for Energy, Biology and More, v. 8, n. 8, e202200154, 2022. |
Páginas: |
1 - 9 |
ISSN: |
2199-692X |
DOI: |
doi.org/10.1002/cnma.202200154 |
Idioma: |
Inglês |
Conteúdo: |
Ammonia (NH3) detection has gained considerable attention in agricultural and environmental monitoring, chemical and pharmaceutical processing, and disease diagnosis, which requires the development of sensors with high sensitivity. Herein, we propose a novel gas sensor based on nanocomposites of TiO2 hollow nanofibers and polyaniline (PANI) for the sensitive detection of ammonia at room temperature. TiO2 nanostructures in anatase phase were prepared by the combination of coaxial electrospinning and calcination treatment. The resulting material was mixed with PANI and deposited onto gold interdigitated electrodes (IDEs). The hybrid platforms exhibited superior sensing performance compared to the platform based on their individual phases, which is ascribed to a synergistic effect from p-n heterojunction formation. Specifically, the platforms based on TiO2/PANI nanocomposite showed a fast response towards NH3 (e.g., 55 s at 10 ppm) at room temperature (25°C). Additionally, the platform demonstrated the ability to detect NH3 at low concentrations (10?30 ppm) and a detection mechanism was proposed to explain the results. Overall, these results show the promise of electrospun TiO2 hollow nanofibers/PANI composites for the development of high-performance room temperature ammonia sensors |
Palavras-Chave: |
Chemiresistive sensors; Gas pollutants; Toxic gas. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146890/1/P-TiO2-Hollow-Nanofiber-Polyaniline-Nanocomposites-for-Ammonia.pdf
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Marc: |
LEADER 02018naa a2200229 a 4500 001 2146890 005 2022-11-25 008 2022 bl uuuu u00u1 u #d 022 $a2199-692X 024 7 $adoi.org/10.1002/cnma.202200154$2DOI 100 1 $aCONTI, P. P. 245 $aTiO2 hollow nanofiber/polyaniline nanocomposites for ammonia detection at room temperature.$h[electronic resource] 260 $c2022 300 $a1 - 9 520 $aAmmonia (NH3) detection has gained considerable attention in agricultural and environmental monitoring, chemical and pharmaceutical processing, and disease diagnosis, which requires the development of sensors with high sensitivity. Herein, we propose a novel gas sensor based on nanocomposites of TiO2 hollow nanofibers and polyaniline (PANI) for the sensitive detection of ammonia at room temperature. TiO2 nanostructures in anatase phase were prepared by the combination of coaxial electrospinning and calcination treatment. The resulting material was mixed with PANI and deposited onto gold interdigitated electrodes (IDEs). The hybrid platforms exhibited superior sensing performance compared to the platform based on their individual phases, which is ascribed to a synergistic effect from p-n heterojunction formation. Specifically, the platforms based on TiO2/PANI nanocomposite showed a fast response towards NH3 (e.g., 55 s at 10 ppm) at room temperature (25°C). Additionally, the platform demonstrated the ability to detect NH3 at low concentrations (10?30 ppm) and a detection mechanism was proposed to explain the results. Overall, these results show the promise of electrospun TiO2 hollow nanofibers/PANI composites for the development of high-performance room temperature ammonia sensors 653 $aChemiresistive sensors 653 $aGas pollutants 653 $aToxic gas 700 1 $aSANTOS, D. M. dos 700 1 $aGOLDTHORPE, I. A. 700 1 $aCORREA, D. S. 773 $tChemistry of Nanomaterials for Energy, Biology and More$gv. 8, n. 8, e202200154, 2022.
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