Encontrados 13 documentos, a visualizar página 1 de 2
Ecotechnologies as urban solutions for sustainable water management
Calheiros, Cristina S. C.; Monteiro, Cristina M.; Rangel, A.O.S.S.; Castro, Paula M. L.
Zinc accumulation in plant species from a contaminated portuguese site
Moreira, Helena; Marques, A. P. G. C.; Rangel, A. O. S. S; Castro, P. M. L.
Potentiometric determination of fluoride with a flow system for the on-line mon...
Mesquita, Raquel B. R.; Santos, Inês C.; Pedrosa, Marta F. F.; Duque, Anouk F.; Castro, M. L.; Rangel, A. O. S. S.
Cell membrane damage induced by phenolic acids on wine lactic acid bacteria
Campos, F.M.; Couto, J.A.; Figueiredo, A.R.; Tóth, I.V.; Rangel, A.O.S.S.; Hogg, T.A.The aim of this work was to investigate the effect of phenolic acids on cell membrane permeability of lactic acid bacteria from wine. Several phenolic acids were tested for their effects on the cell membrane of Oenococcus oeni and Lactobacillus hilgardii by measuring potassium and phosphate efflux, proton influx and by assessing culture viability employing a fluorescence technique based on membrane integrity. T...
Dynamics of microbial communities from constructed wetlands treating tannery wa...
Calheiros, C.S.C.; Duque, A.F.; Henriques, I.; Moura, A.; Correia, A.; Rangel, A.O.S.S.; Castro, P.M.L.
Cell membrane damage induced by phenolic acids on wine lactic acid bacteria
Campos, F. M.; Couto, J. A.; Figueiredo, A. R.; Tóth, I. V.; Rangel, A. O. S. S.; Hogg, T. A.
Fluorimetric detection of cell membrane lesions in wine lactic acid bacteria ex...
Moreira, J. M.; Reis, O. A.; Campos, F. M.; Tóth, I. V.; Figueiredo, A. R.; Couto, J. A.; Rangel, A. O. S. S.; Hogg, T. A.
Spectrophotometric determination of iron and boron in soil extracts using a mul...
Gomes, D. M. C.; Segundo, M. A.; Lima, J. L. F. C.; Rangel, A. O. S. S.In the last decade, significant advances in flow analysis have been reported, namely the extensive use of computer-controlled devices to enhance the autonomy and performance of analysers. In the present work, computer-controlled multi-syringe flow injection systems are proposed to perform the spectrophotometric determination of available iron and boron in soil extracts. The methodologies were based on the forma...
Determinação potenciométrica de efluxo de potássio em bactérias lácticas do vin...
Campos, F. M.; Couto, J. A.; Hogg, T. A.; Rangel, A. O. S. S.; Tóth, I. V.
Biological treatment of a contaminated gaseous emission containing monochlorobe...
Bastos, F. S. C.; Rangel, A. O. S. S.; Castro, P. M. L.; Jorge, R. M. FerreiraThis study presents the operation of a biotrickling filter when treating a monochlorobenzene (MCB) contaminated gaseous emission. Treatment dynamics were characterised by exposing the reactor to various MCB Organic Loads (OL). The use of different growth support materials, namely limestone, sand, ceramic and PVC pall-rings, was investigated. Limestone led to clogging of the reactor due to the accumulation of su...
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