Search Results - "SAMPIETRO, R"

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  1. 1

    Comparison of the free radical-scavenging activity of propolis from several regions of Argentina by Moreno, Marı́a I.Nieva, Isla, Marı́a I., Sampietro, Antonio R., Vattuone, Marta A.

    Published in Journal of ethnopharmacology (01-07-2000)
    “…Propolis is extensively used in Argentine folk medicine. Alcoholic extracts of propolis from different regions of Argentina were prepared. The extracts were…”
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  2. 2

    Antioxidant activity of Argentine propolis extracts by Isla, M.I, Nieva Moreno, M.I, Sampietro, A.R, Vattuone, M.A

    Published in Journal of ethnopharmacology (01-07-2001)
    “…Propolis is used in Argentine folk medicine. We have examined its possible protective action against oxidative modification of lipid in unfractionated serum…”
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  3. 3

    Screening of antibacterial activity of Amaicha del Valle (Tucumán, Argentina) propolis by Nieva Moreno, M.I., Isla, M.I., Cudmani, N.G., Vattuone, M.A., Sampietro, A.R.

    Published in Journal of ethnopharmacology (15-12-1999)
    “…Propolis is extensively used in Argentine folk medicine. Alcoholic extracts of propolis from four localities of Amaicha del Valle (El Paraiso, La Banda Este,…”
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    In vitro fungitoxic activity of Larrea divaricata cav. extracts by Quiroga, E.N, Sampietro, A.R, Vattuone, M.A

    Published in Letters in applied microbiology (01-01-2004)
    “…Aims:  To evaluate the fungitoxic activity of Larrea divaricata Cav. extract and one of its components against yeasts and fungi. This activity was compared…”
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  6. 6

    Videothoracoscopic treatment of bullous lung disease: indications and techniques by Sampietro, R

    Published in International surgery (01-10-1996)
    “…The author reports his experience of Minimally Invasive Surgery for treatment of bullous lung disease. He describes patient selection and preoperative study,…”
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  7. 7

    Hydrolysis of sucrose within isolated vacuoles from Solanum tuberosum L. tubers by Isla, M.I, Vattuone, M.A, Sampietro, A.R

    Published in Planta (01-08-1998)
    “…The soluble acid invertase (beta-D-fructofuranoside fructohydrolase, EC 3.2.1.26) from potato (Solanum tuberosum L. cv. Kennebec) tubers was located in the…”
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  8. 8

    A simple and sensitive method for determining reducing sugars in plant tissues. Application to quantify the sugar content in quinoa (Chenopodium quinoa Willd.) seedlings by Prado, F. E., González, J. A., Boero, C., Sampietro, A. R.

    Published in Phytochemical analysis (01-03-1998)
    “…A simple and sensitive method for the colorimetric determination of reducing sugars in plant materials is proposed. The procedure is based on reduction under…”
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  9. 9

    A hysteretic invertase from Equisetum giganteum L by Leal, Darı́o Patricio, Isla, Marı́a Inés, Vattuone, Marta Amelia, Sampietro, Antonio R

    Published in Phytochemistry (Oxford) (01-11-1999)
    “…The invertase from Equisetum giganteum L., a lower vascular sporophytic plant, was purified to chromatographic and electrophoretic homogeneity. The enzyme…”
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  10. 10

    Screening antifungal activities of selected medicinal plants by Quiroga, Emma Nelly, Sampietro, Antonio Rodolfo, Vattuone, Marta Amelia

    Published in Journal of ethnopharmacology (2001)
    “…Plants synthesise a vast array of secondary metabolites that are gaining importance for their biotechnological applications. The antifungal activity of the…”
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  11. 11

    Nicotiana glauca invertase: characterization and effects of endogenous alkaloids by Rojo, Hebe P, Quiroga, Emma N, Vattuone, Marta A, Sampietro, Antonio R

    Published in Phytochemistry (Oxford) (27-10-1998)
    “…An acid-soluble invertase from Nicotiana glauca has been studied for the first time. The plant was selected because it is known that the genus Nicotiana has…”
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  12. 12

    Invertase activity associated with the walls of Solanum tuberosum tubers by Isla, Marı́a Inés, Vattuone, Marta Amelia, Ordóñez, Roxana Mabel, Sampietro, Antonio Rodolfo

    Published in Phytochemistry (Oxford) (01-02-1999)
    “…Three fractions with invertase activity (β- d-fructofuranoside fructohydrolase, EC 3.2.1.26) were isolated from mature Solanum tuberosum tubers: acid soluble…”
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  13. 13

    Proteinaceous inhibitor versus fructose as modulators of Pteris deflexa invertase activity by Sayago, J E, Vattuone, M A, Sampietro, A R, Isla, M I

    “…An acid invertase from the fern Pteris deflexa Link was purified and the effect of reaction products on enzyme activity was studied. Fructose and glucose were…”
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  14. 14

    An invertase inhibitory protein from Pteris deflexa link fronds by Sayago, J E, Vattuone, M A, Sampietro, A R, Isla, M I

    Published in Journal of enzyme inhibition (01-01-2001)
    “…Plant invertases play important roles in sucrose metabolism. Cell wall invertase was reported to participate in phloem loading and unloading. Soluble…”
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  15. 15

    Invertase proteinaceous inhibitor of Cyphomandra betacea Sendt fruits by Ordóñez, R M, Isla, M I, Vattuone, M A, Sampietro, A R

    Published in Journal of enzyme inhibition (2000)
    “…This work describes a new invertase proteinaceous inhibitor from Cyphomandra betacea Sendt. (tomate de arbol) fruits. The proteinaceous inhibitor was isolated…”
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  16. 16

    Purification and characterization of Ricinus communis invertase by Prado, F E, Vattuone, M A, Fleischmacher, O L, Sampietro, A R

    Published in The Journal of biological chemistry (25-04-1985)
    “…An invertase from Ricinus communis leaves was purified 4,400-fold. The preparation was homogeneous by criteria of gel electrophoresis, gel permeation,…”
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    effects a selection of alkaloids on the invertase activity of some higher plants by Rojo, H.P, Quiroga, E.N, Vattuone, M.A, Sampietro, A.R

    “…The effects of several alkaloids on the invertase activities of Ricinus communis, Solanum tuberosum, Oryza sativa and Carica papaya were studied. The following…”
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  19. 19

    Production of plant protoplasts by enzymes from selected wood-destroying fungi by Leal, D.P, Isla, M.I, Vattuone, M.A, Sampietro, A.R

    Published in Applied microbiology and biotechnology (01-03-1994)
    “…The goal of this work was to select higher fungi for the production of enzymes able to produce plant protoplasts. The hydrolytic capacity of various species of…”
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  20. 20

    An N-acetylglucosamine oligomer binding agglutinin (lectin) from ripe Cyphomandra betacea Sendt. fruits by Sampietro, Antonio Rodolfo, Isla, Marı́a Inés, Quiroga, Emma Nelly, Vattuone, Marta Amelia

    Published in Plant science (Limerick) (01-03-2001)
    “…A new agglutinin (lectin), called CBL3, was purified from the juice of ripe Cyphomandra betacea Sendt. fruits until electrophoretically pure to homogeneity…”
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