Výsledky vyhledávání - "Martinha Pereira"

A review of mycotoxins in food and feed products in Portugal and estimation of probable daily intakes

Autor: Luís Abrunhosa, Martinha Pereira, Célia Maria Gonçalves Soares, Thalita Calado, Ana Sofia Vila-Chã, Hector Morales, Armando Venâncio

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

Mycotoxins are toxic secondary metabolites produced by filamentous fungi that occur naturally in agricultural commodities worldwide. Aflatoxins, ochratoxin A, patulin, fumonisins, zearalenone, trichothecenes and ergot alkaloids are presently the most

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1d6ba1983efc048cd6fff3e51079bcf

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Separation of endo-polygalacturonase using aqueous two-phase partitioning

Autor: José A. Teixeira, You-Ting Wu, Armando Venâncio, Martinha Pereira

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

The partitioning of endo-polygalacturonase (endo-PG) in polyethylene glycol (PEG)–polyvinyl alcohol (PVA10 000) and PEG–hydroxypropyl starch (Reppal PES100) aqueous two-phase systems was studied, and revealed the possibility of using aqueous two-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0652f0e66459397bbbfa3a01d6c6a758
https://doi.org/10.1016/s0021-9673(01)01161-x

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[Untitled]

Autor: Armando Venâncio, Martinha Pereira, You-Ting Wu, José A. Teixeira

Publikováno v: Bioseparation. 9:247-254

The partitioning behaviour of endo-polygalacturonase (endo-PG) and total protein from a clarified Kluyveromyces marxianus fermentation broth in polyethylene glycol (PEG)-ammonium sulfate and PEG-potassium phosphate (pH=7) aqueous two-phase systems wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2a31321e9efb8ca3f0d7375189ca204
https://doi.org/10.1023/a:1008171105319

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Certification and integration of environment with quality and safety – a path to sustained success

Autor: Martinha Pereira, Gilberto Santos, Síria Barros, Manuel Ferreira Rebelo

Publikováno v: CIÊNCIAVITAE
Sustainable Development-Authoritative and Leading Edge Content for Environmental Management

According to Wright [1] certification of products and processes began during the 1960’s in the manufacturing industry, as a tool to control and assure the quality/conformity of products and services provided by suppliers to customers/consumers. Thu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac277be4536b1485c968780c351f2462
http://hdl.handle.net/11110/609

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Liquid-liquid equilibrium phase diagrams of new aqueous two-phase systems : Ucon 50-HB5100 + Ammonium Sulfate + water, Ucon 50-HB5100 + Poly(vinyl alcohol) + water, Ucon 50-HB5100 + Hydroxypropyl Starch + water, and Poly(ethylene glycol) 8000 + Poly(vinyl alcohol) + water

Autor: and Eugénia Macedo, Martinha Pereira, Armando Venâncio, José A. Teixeira, You-Ting Wu, Pedro P. Madeira

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

The phase diagrams of Ucon 50-HB-5100 (Ucon) + ammonium sulfate (NH4)(2)SO4 + water, Ucon 50-HB-5100 + poly(vinyl alcohol) 10000 (PVA 10000) + water, Ucon 50-HB-5100 + hydroxypropyl starch (Reppal PES 100) + water, and poly(ethylene glycol) 8000 (PEG

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ced7854a07354f7f6edd091d4b58b96f

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Aqueous two-phase extraction using thermoseparating polymer : a new system for the separation of endo-polygalacturonase

Autor: José A. Teixeira, Armando Venâncio, You-Ting Wu, Martinha Pereira

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

Aqueous two-phase partitioning of endo-polygalacturonase (endo-PG) produced by Kluyveromyces marxianus strains was studied, on systems containing the thermoseparating polymer Ucon 50-HB-5100 (a random copolymer of 50% ethylene oxide (EO) and 50% prop

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdc7d73a54717962140be3073d95787a
https://hdl.handle.net/1822/1610

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What do tropical cryptogams reveal? Strong genetic structure in Amazonian bryophytes

Autor: Petra Ballings, Alice Ledent, Martinha Pereira, Jérémy Gauthier, Alain Vanderpoorten, S. Robbert Gradstein, Charles E. Zartman, Benjamin Laenen, Myriam de Haan, Iris Van der Beeten, Rick P. Overson, Patrick Mardulyn

Publikováno v: New phytologist

Lowland tropical bryophytes have been perceived as excellent dispersers. In such groups, the inverse isolation hypothesis proposes that spatial genetic structure is erased beyond the limits of short-distance dispersal. Here, we determine the influenc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08f126bc76784c6acbe96cdcf523e189
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/308683

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