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Isolation of Surfactant-Resistant Pseudomonads from the Estuarine Surface Micro...
Louvado, A.; Coelho, F.; Domingues, P.; Santos, A. L.; Gomes, N. C. M.; Almeida, A.; Cunha, A.Bioremediation efforts often rely on the application of surfactants to enhance hydrocarbon bioavailability. However, synthetic surfactants can sometimes be toxic to degrading microorganisms, thus reducing the clearance rate of the pollutant. Therefore, surfactant-resistant bacteria can be an important tool for bioremediation efforts of hydrophobic pollutants, circumventing the toxicity of synthetic surfactants ...
Study of data variability acquired by multiple profilometers
Freitas, Elisabete F.; Pereira, Paulo A. A.; Antunes, L.; Domingues, P.The accuracy and reliability of road monitoring data constitute a major concern among road designers, contractors and road administrations. These data may have foremost implications on rehabilitation strategies and, therefore, on costs and service life. For this reason, this paper aims to provide the interested bodies referred with useful information in relation to the variability of data acquired by road profi...
Effect of the pH of growth on the survival of Lactobacillus delbrueckii subsp. ...
Silva, J.; Carvalho, A. S.; Ferreira, R.; Vitorino, R.; Amado, F.; Domingues, P.; Teixeira, P.; Gibbs, P. A.Aims: The aim of this study was to optimize survival of Lactobacillus delbrueckii subsp. bulgaricus during spraydrying and subsequent storage through optimizing the pH of growth conditions. Methods and Results: Cell concentrates previously grown without or with pH controlled were spray-dried and stored at 20ºC and heat treated at 57ºC. Cells grown under noncontrolled pH were more resistant to both drying and he...
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