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Rezultatele pentru horseradish peroxidase

Rezultate gasite: 8

EFFECT OF HYDRO- AND OSMO-PRIMING ON MEMBRANE DETERIORATION, PROLINE ACCUMULATION AND H2O2 SCAVENGING ENZYMES IN TWO SALT STRESSED CHICKPEA CULTIVARS
Environmental Engineering and Management JournalVol. 13Nr. 3
AbstractSeed priming has been reported to be a simple technique for enhancing seedling establishment in environment and cropproduction under stressed condition. In this study, we investigated osmo and hydropriming effect in two salt stressed chickpeacultivars. This research monitors the changes in growth factors, proline content, lipid peroxidation and H2O2 scavenging enzymesactivities in osmo (mannitol 4%) and hydro (water) primed plantlets of two salt stressed chickpea cultivars (Arman and Biv...
Autori: Akbar Mostajeran, Fatemeh Khodabakhsh, Rayhaneh Amooaghaie
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26315

REMOVAL OF AROMATIC COMPOUNDS FROM WASTEWATER BY HEMOGLOBIN SOLUBLE AND IMMOBILIZED ON EUPERGIT CM
Environmental Engineering and Management JournalVol. 13Nr. 10
AbstractThe potential application of methemoglobin from bovine blood to remove aromatic compounds in the presence of hydrogenperoxide has been evaluated. The organic compounds herein tested include phenols, amines or hydrocarbons, which arepollutants deriving from different industries and display high persistence and toxicity in waters. The oxidative process has beencharacterized by soluble hemoglobin and immobilized on Eupergit CM, using 4-chlorophenol as a model substrate. Theobtained ...
Autori: María Teresa Pérez-Prior
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26580

MAGNETIC CONTAMINATION OF ENVIRONMENT – LABORATORY SIMULATION OF MIXED IRON OXIDES IMPACT ON MICROORGANISM CELLS
Environmental Engineering and Management JournalVol. 14Nr. 3
Abstract Magnetic contamination is considered more and more as a challenging issue related to biosphere pollution with magnetic materials originating in natural and artificial sources (volcanic eruptions and respectively industrial activities that contributed to iron and other metal compounds spreading in air, water and soil). Aiming to study the impact of magnetic metal ions such as iron and cobalt on the metabolism of some environmental microorganisms, in this paper an experimental simulat...
Autori: Lacramioara Oprica
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=26675

CHANGES IN LOW MOLECULAR WEIGHT ORGANIC ACIDS AND ANTIOXIDATIVE ENZYME ACTIVITIES OF WETLAND PLANTS UNDER METAL STRESSES
Environmental Engineering and Management JournalVol. 15Nr. 7
The release of low molecular weight (LMW) organic acids under lead (Pb) and zinc (Zn) stresses in Typha latifolia (T. Latifolia) and Vetiver zizanioides (V. zizanioides) were investigated. In addition, changes in antioxidative enzymes: superoxide dismutase (SOD) and peroxidase (POD) in the leaves of T. Latifolia under Pb stress were also examined. Amongst the eight types of LMW organic acids detected in the present study, oxalic acid was found to be the most dominant during Pb and Zn treatmen...
Autori: Yu Bon Man
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27092

ENVIRONMENTALLY FRIENDLY ENZYME-CATALYZED POLYMERIZATION OF A NOVEL PHENOXY-KETIMINE
Environmental Engineering and Management JournalVol. 16Nr. 7
The monomer with ketimine side group, 2-(1-(benzylimino)ethyl)phenol (2-BEP), was synthesized from the condensation of 2- hydroxyacetophenone and benzyl amine. The enzymatic oxidative polymerization of 2-BEP was performed in the presence of hydrogen peroxide using horseradish peroxidase (HRP) as catalyst. The oxidation reaction was carried out in various solvents and phosphate buffers at room temperature. These studies have shown that a dark brown polymer was successfully synthesized by utilizin...
Autori: Senem Tapan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27377

EFFECT OF METAL TOLERANT PLANT GROWTH PROMOTING RHIZOBACTERIA ON BEAN GROWTH, CADMIUM AND ZINC UPTAKE AND STRESS RESPONSES
Environmental Engineering and Management JournalVol. 17Nr. 4
Plant growth promoting rhizobacteria (PGPR) serve as an alternative tool in sustainable agriculture. PGPR influence the heavy metal accumulation of crops in contaminated soils, either by decreasing or increasing the accumulation. This study focuses on the effect of plant growth-promoting rhizobacteria on the heavy metal uptake, plant growth and stress response of bean plants. The simultaneous treatment of Cd2+ and Mitsuaria chitosanitabida T310-2/4 (PGPR strain) as well as Zn2+ and bacteria resu...
Autori: Éva Boglárka Vincze
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27554

EFFECTS OF α-CYPERMETHRIN PESTICIDE ON DNA STABILITY AND OXIDATIVE ENZYMES IN MAIZE (Zea mays)
Environmental Engineering and Management JournalVol. 17Nr. 2
α-cypermethrin is a pyrethroid and environmental genotoxic pesticide extensively used worldwide for agricultural applications. However, like other pesticides, it affects non-target organisms as well as target organisms and causes various toxic effects. To evaluate α-cypermethrin toxicity in non-target organisms, the effect of α-cypermethrin on the activity of malondialdehyde (MDA, an indicator of lipid peroxidation) content, antioxidant enzymes (superoxide dismutase, SOD; perox...
Autori: Ozkan Aksakal
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27647

INFLUENCE OF CONTROLLED RELEASE FERTILIZERS ON Lilium regale SPECIES GROWTH AND FLOWERING
Environmental Engineering and Management JournalVol. 18Nr. 5
Our research aims to establish the influence of Osmocote®Pro fertilizer on ornamental characteristics, photosynthetic pigments content, superoxide dismutase and peroxidase activities for Lillium regale species. The tests were organized in four variants, each with three replicates, each replicate consisting of 10 bulbs. The growth of plants in the four experimental variants was achieved without fertilization in case of the control variant (M) and under fertilization conditions with Osmocot...
Autori: Maria Brînză
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=28005

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