Výsledky vyhledávání - "Ana Rita M Silva"

Zeolite addition to improve biohydrogen production from dark fermentation of organic wastes

Autor: Ana Rita M Silva, Angela A Abreu, Andreia F Salvador, Maria Madalena Alves, Isabel C Neves, Maria Alcina Pereira

Background Hydrogen is a clean and renewable energy source that can be produced by biological processes, such as dark fermentation. However, hydrogen production yields are usually low.Results In this work, biohydrogen production from a mixture (1:1)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37aad11b39df4a726cf7464d5766c9ec
https://doi.org/10.21203/rs.3.rs-16853/v2

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Multi-Spheres Adsorptive Microextraction (MSAμE)—Application of a Novel Analytical Approach for Monitoring Chemical Anthropogenic Markers in Environmental Water Matrices

Autor: Nuno R. Neng, Ana Rita M. Silva, José M.F. Nogueira

Publikováno v: Molecules, Vol 24, Iss 5, p 931 (2019)
Molecules
Volume 24
Issue 5

Multi-spheres adsorptive microextraction using powdered activated carbons (ACs) was studied as a novel enrichment approach, followed by liquid desorption and high-performance liquid chromatography with diode array detection (MSAµ
E(AC)-LD/H

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::805eef68daddac188f065200f8f231bf
http://www.mdpi.com/1420-3049/24/5/931

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Diet and feeding strategy of the forkbeard Phycis phycis (Pisces: Phycidae) from the Portuguese continental coast

Autor: Ana Rita Vieira, Ana Rita M. Silva, Rafaela Barros Paiva, Leonel Serrano Gordo, Ana Neves, Vera Sequeira

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The diet and feeding behaviour of the forkbeard Phycis phycis was studied based on 246 stomachs collected between May 2011 and April 2012 from a commercial fleet operating off the central west coast of Portugal. A total of 44 prey items were identifi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74a6b411e3dba5892ec589a0a420d7e8

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Advances in stir bar sorptive extraction for the determination of acidic pharmaceuticals in environmental water matrices

Autor: José M.F. Nogueira, Ana Rita M. Silva, Fátima C.M. Portugal

Publikováno v: Journal of Chromatography A. 1209:10-16

Stir bar sorptive extraction with polyurethane (PU) and polydimethylsiloxane (PDMS) polymeric phases followed by high-performance liquid chromatography with diode array detection [SBSE(PU or PDMS)/HPLC-DAD] was studied for the determination of six ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06b2d7d61f9716d2324769178a49a966
https://doi.org/10.1016/j.chroma.2008.08.103

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New approach on trace analysis of triclosan in personal care products, biological and environmental matrices

Autor: José M.F. Nogueira, Ana Rita M. Silva

Publikováno v: Talanta. 74:1498-1504

Stir bar sorptive extraction and liquid desorption followed by high performance liquid chromatography with diode array detection (SBSE-LD-LC-DAD) is proposed for the determination of triclosan in personal care products, biological and environmental m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e506330791daa2d7cc5e413d2c65a27
https://doi.org/10.1016/j.talanta.2007.09.040

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Adsorptive micro-extraction techniques--novel analytical tools for trace levels of polar solutes in aqueous media

Autor: Ana Rita M. Silva, Nuno R. Neng, José M.F. Nogueira

Publikováno v: Journal of chromatography. A. 1217(47)

A novel enrichment technique, adsorptive μ-extraction (AμE), is proposed for trace analysis of polar solutes in aqueous media. The preparation, stability tests and development of the analytical devices using two geometrical configurations, i.e. bar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3bcb06c8a4e6c1ca926ffe18546b582
https://pubmed.ncbi.nlm.nih.gov/20950811

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Stir-bar-sorptive extraction and liquid desorption combined with large-volume injection gas chromatography-mass spectrometry for ultra-trace analysis of musk compounds in environmental water matrices

Autor: Ana Rita M. Silva, José M.F. Nogueira

Publikováno v: Analytical and bioanalytical chemistry. 396(5)

Stir-bar-sorptive extraction with liquid desorption followed by large-volume injection and capillary gas chromatography coupled to mass spectrometry in selected ion monitoring acquisition mode (SBSE–LD/LVI-GC–MS(SIM)) has been developed to monito

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afa7b991c7da9134ce6082c0ed387252
https://pubmed.ncbi.nlm.nih.gov/20049588

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Advances in stir bar sorptive extraction for the determination of acidic pharmaceuticals in environmental water matrices Comparison between polyurethane and polydimethylsiloxane polymeric phases

Autor: Ana Rita M, Silva, Fátima C M, Portugal, J M F, Nogueira

Publikováno v: Journal of chromatography. A. 1209(1-2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::de2ba54a81fa01c19b6c316e15caea1a
https://pubmed.ncbi.nlm.nih.gov/18805538

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