Search Results - "Lombardi, A. T"

Metal mobility and toxicity to microalgae associated with acidification of sediments: CO2 and acid comparison by De Orte, M.R., Lombardi, A.T., Sarmiento, A.M., Basallote, M.D., Rodriguez-Romero, A., Riba, I., Del Valls, A.

“…The injection and storage of CO2 into marine geological formations has been suggested as a mitigation measure to prevent global warming. However, storage leaks…”
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Growing Scenedesmus quadricauda in used culture media: is it viable? by Rocha, G. S, Pinto, F. H. V, Melão, M. G. G, Lombardi, A. T

“…Large-scale cultures of freshwater microalgae species demand high volumes of water used for culture media preparation. The recycling of culture media may help…”
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Effects of dietborne cadmium on life history and secondary production of a tropical freshwater cladoceran by Souza, J. P, Melo, D. C, Lombardi, A. T, Melão, M. G. G

“…The presence of metals in aquatic environments has increased worldwide. Environmental assessments of metals in freshwater ecosystems presume that toxicity is…”
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Effects of Dietary Copper on Life-History Traits of a Tropical Freshwater Cladoceran by Gusso-Choueri, P. K., Choueri, R. B., Lombardi, A. T., Melão, M. G. G.

“…Life-history parameters of Ceriodaphnia cornuta (Cladocera: Daphniidae) fed on Pseudokirchneriella subcapitata (Chlorophyceae) exposed to different copper…”
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Copper and cadmium complexation by high molecular weight materials of dominant microalgae and of water from a eutrophic reservoir by Gouvêa, S.P., Vieira, A.A.H., Lombardi, A.T.

“…High molecular weight materials (HMWM, >12 000–14 000 Da) excreted by the two cyanophyte species ( Microcystis aeruginosa and Anabaena spiroides) and a diatom…”
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Copper complexing properties of dissolved organic materials exuded by the freshwater microalgae Scenedesmus acuminatus (Chlorophyceae) by Lombardi, A.T., Hidalgo, T.M.R., Vieira, A.A.H.

“…Dissolved organic materials released by the freshwater microalgae Scenedesmus acuminatus were fractionated into low- and high-molecular weight materials, which…”
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Natural DOM Affects Copper Speciation and Bioavailability to Bacteria and Ciliate by Nogueira, P. F. M, Melão, M. G. G, Lombardi, A. T, Nogueira, M. M

“…This study aimed to investigate the influence of natural dissolved organic materials (DOM) on copper speciation (total dissolved, particulate, and free Cu²⁺…”
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effects of humic substances on copper toxicity to Ceriodaphnia silvestrii Daday (Crustacea, Cladocera) by Santos, M. A. P. F, Melão, M. G. G, Lombardi, A. T

“…A major question in the field of ecotoxicology is how DOM affects copper accumulation and toxicity in planktonic organisms; copper acute toxicity and…”
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The effects of Anabaena spiroides exopolysaccharides on copper accumulation in an aquatic food chain by Nogueira, P.F.M., Melão, M.G.G., Lombardi, A.T., Nogueira, M.M., Vieira, A.A.H.

“…The influence of Anabaena spiroides exopolysaccharides (EPS) on copper speciation (total dissolved, particulate and free Cu 2+ ions) and bioavailability in…”
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Fluorescence spectroscopy of high performance liquid chromatography fractionated marine and terrestrial organic materials by Lombardi, Ana T., Jardim, Wilson F.

“…Marine dissolved organic material (“marine DOM”, Mediterranean Sea) and a well characterized soil fulvic acid (“SFA”, Conway) were extracted using tC18 Sep-Pak…”
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Effects of the herbicide bentazon on growth and photosystem II maximum quantum yield of the marine diatom Skeletonema costatum by Macedo, R.S., Lombardi, A.T., Omachi, C.Y., Rörig, L.R.

“…Chlorophyll fluorescence techniques are used for the detection of toxic substances in samples of photosynthetic cells by measuring chlorophyll a fluorimetric…”
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Particulate lipid class composition of three marine phytoplankters Chaetoceros gracilis, Isochrysis galbana (Tahiti) and Dunaliella tertiolecta grown in batch culture by LOMBARDI, A. T, WANGERSKY, P. J

“…The green algae D. tertiolecta, the flagellate I. galbana and the diatom C. gracilis were grown in batch cultures. The organisms were analysed for lipid class…”
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Influence of phosphorus and silicon on lipid class production by the marine diatom Chaetoceros gracilis grown in turbidostat cage cultures by Lombardi, A. T., Wangersky, P. J.

“…Production of intracellular and extracellular lipid classes by Chaetoceros gracilis was studied over a wide range of supply rates of inorganic phosphorus and…”
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Cylindrospermopsis raciborskii exudate–Cu complexes: impact on copper dynamics and bioavailability in an aquatic food chain by Nogueira, P. F. M., Lombardi, A. T., Nogueira, M. M.

“…Introduction The increasing contamination of aquatic environments motivates studies on the interactions among natural dissolved organic matter, metals, and the…”
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An evaluation into the potential of biological processing for the removal of metals from sewage sludges by Lombardi, A T, Garcia Júnior, O

“…The use of sewage sludge in agricultural land as a means of sludge disposal and recycling has been shown to be economical and suitable because of the presence…”
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Biological leaching of Mn, Al, Zn, Cu and Ti in an anaerobic sewage sludge effectuated by Thiobacillus ferrooxidans and its effect on metal partitioning by Lombardi, Ana T, Garcia, Oswaldo

“…The chemical fractionation and bioleaching of Mn, Al, Zn, Cu and Ti in municipal sewage sludge were investigated using Thiobacillus ferrooxidans as leaching…”
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Mucilaginous capsule adsorption and intracellular uptake of copper by Kirchneriella aperta (Chlorococcales) by Lombardi, A T, Vieira, A A, Sartori, LA

“…The purpose of the present investigation was to evaluate possible ecological and physiological functions of mucilaginous capsules produced by the freshwater…”
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Reverse phase high performance liquid chromatographic fractionation of marine organic matter by Lombardi, A.T., Morelli, E., Balestreri, E., Seritti, A.

“…Marine dissolved organic matter, isolated by adsorption onto tC 18 Sep-Pak cartridges (SPE-MOM), and soil fulvic acid tC 18 Sep-Pak processed (SPE-FA) were…”
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BIOLEACHING OF METALS FROM ANAEROBIC SEWAGE SLUDGE: EFFECTS OF TOTAL SOLIDS, LEACHING MICROORGANISMS, AND ENERGY SOURCE by Lombardi, Ana T., Garcia, Oswaldo, Mozeto, Antonio A.

“…The effects of municipal sewage sludge solids concentration, leaching microorganisms (Thiobacillus thiooxidans or Thiobacillus ferrooxidans) and the addition…”
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The Effects of Humic Substances on Copper Toxicity to Ceriodaphina silvestrii Daday (Crustacea, Cladocera) by Santos, MAPF, Melao, MGG, Lombardi, A T

“…The effects of humic substances on copper toxicity to Ceriodaphnia silvestrii Daday, were assessed. Free copper ions were quantified using a cupric…”
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