Facultad de Ciencias Exactas y Naturales

Summary

Organization: Facultad de Ciencias Exactas y Naturales
Country: Argentina

Top Publications

  1. doi Photophysics and reductive quenching reactivity of gadusol in solution
    Ernesto Maximiliano Arbeloa
    Departamento de Quimica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, B7602AYL Mar del Plata, Argentina
    Photochem Photobiol Sci 10:133-42. 2011
  2. ncbi Crab herbivory regulates plant facilitative and competitive processes in Argentinean marshes
    Juan Alberti
    Laboratorio de Ecologia, Departamento de Biología FCEyN, Universidad Nacional de Mar del Plata, CC 573 Correo Central, B7600WAG Mar del Plata, Argentina
    Ecology 89:155-64. 2008
  3. doi Synthesis of tetracalcium phosphate from mechanochemically activated reactants and assessment as a component of bone cements
    H E Romeo
    Institute of Materials Science and Technology, University of Mar del Plata and National Research Council, Mar del Plata, Argentina
    J Mater Sci Mater Med 19:2751-60. 2008
  4. doi Efficacy of thymol against Echinococcus granulosus protoscoleces
    M Celina Elissondo
    Laboratorio de Zoonosis Parasitarias, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata UNMdP, Funes 3250, 7600 Mar del Plata, Argentina
    Parasitol Int 57:185-90. 2008
  5. ncbi Trans-species polymorphism and evidence of selection on class II MHC loci in tuco-tucos (Rodentia: Ctenomyidae)
    Ana Paula Cutrera
    Laboratorio de Ecofisiologia, Departamento de Biologia, Universidad Nacional de Mar del Plata, C C 1245, Mar del Plata, Argentina
    Immunogenetics 59:937-48. 2007
  6. ncbi Ecosystem engineers activate mycorrhizal mutualism in salt marshes
    Pedro Daleo
    Departamento de Biología FCEyN, UNMDP, CC 573 Correo Central, B7600WAG, Mar del Plata, Rivadavia 1917, 1033, Buenos Aires, Argentina
    Ecol Lett 10:902-8. 2007
  7. ncbi Paleoparasitological analysis of a raptor pellet from southern Patagonia
    M H Fugassa
    Laboratorio de Zoonosis Parasitarias, Deptamento de Biología, Universidad Nacional de Mar del Plata CONICET, Argentina
    J Parasitol 93:421-2. 2007
  8. ncbi New species of Moravecia (Nematoda: Dracunculoidea) from body cavity of marine perciform fish Percophis brasiliensis in Argentina
    Paola Braicovich
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata ANPCyT, Funes 3350, 7600 Mar del Plata, Argentina
    J Parasitol 93:353-6. 2007
  9. ncbi Energy and distribution in subterranean rodents: sympatry between two species of the genus Ctenomys
    Facundo Luna
    Laboratorio de Ecofisiologia, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET, CC 1245, Mar del Plata, Argentina
    Comp Biochem Physiol A Mol Integr Physiol 147:948-54. 2007
  10. ncbi Quantitative paleoparasitology applied to archaeological sediments
    Martín H Fugassa
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, Buenos Aires, Argentina
    Mem Inst Oswaldo Cruz 101:29-33. 2006

Scientific Experts

Detail Information

Publications62

  1. doi Photophysics and reductive quenching reactivity of gadusol in solution
    Ernesto Maximiliano Arbeloa
    Departamento de Quimica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, B7602AYL Mar del Plata, Argentina
    Photochem Photobiol Sci 10:133-42. 2011
    ..This reductive quenching reactivity may be considered as one of the underlying mechanisms that support the antioxidant capacity of gadusol in biological environments...
  2. ncbi Crab herbivory regulates plant facilitative and competitive processes in Argentinean marshes
    Juan Alberti
    Laboratorio de Ecologia, Departamento de Biología FCEyN, Universidad Nacional de Mar del Plata, CC 573 Correo Central, B7600WAG Mar del Plata, Argentina
    Ecology 89:155-64. 2008
    ..These results show that herbivory can mediate the balance between facilitative and competitive processes in vascular plant communities and that the strength of consumer regulation of interactions can vary seasonally and with patch size...
  3. doi Synthesis of tetracalcium phosphate from mechanochemically activated reactants and assessment as a component of bone cements
    H E Romeo
    Institute of Materials Science and Technology, University of Mar del Plata and National Research Council, Mar del Plata, Argentina
    J Mater Sci Mater Med 19:2751-60. 2008
    ....
  4. doi Efficacy of thymol against Echinococcus granulosus protoscoleces
    M Celina Elissondo
    Laboratorio de Zoonosis Parasitarias, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata UNMdP, Funes 3250, 7600 Mar del Plata, Argentina
    Parasitol Int 57:185-90. 2008
    ..The data reported in this article demonstrate a clear in vitro effect of thymol against E. granulosus protoscoleces...
  5. ncbi Trans-species polymorphism and evidence of selection on class II MHC loci in tuco-tucos (Rodentia: Ctenomyidae)
    Ana Paula Cutrera
    Laboratorio de Ecofisiologia, Departamento de Biologia, Universidad Nacional de Mar del Plata, C C 1245, Mar del Plata, Argentina
    Immunogenetics 59:937-48. 2007
    ..These findings suggest that MHC genes in these animals have historically been subject to balancing selection and yield new insights into the complex suite of forces shaping MHC diversity in free-living vertebrates...
  6. ncbi Ecosystem engineers activate mycorrhizal mutualism in salt marshes
    Pedro Daleo
    Departamento de Biología FCEyN, UNMDP, CC 573 Correo Central, B7600WAG, Mar del Plata, Rivadavia 1917, 1033, Buenos Aires, Argentina
    Ecol Lett 10:902-8. 2007
    ..Our findings align salt marshes with other important biogenic habitats whose productivity is reliant on mutualisms between the primary foundation species and micro-organisms...
  7. ncbi Paleoparasitological analysis of a raptor pellet from southern Patagonia
    M H Fugassa
    Laboratorio de Zoonosis Parasitarias, Deptamento de Biología, Universidad Nacional de Mar del Plata CONICET, Argentina
    J Parasitol 93:421-2. 2007
    ..and a mite, Demodex sp., were found. The parasites found in the pellet belong to a rodent ingested by the bird. The present report constitutes the first paleoparasitological study of a regurgitated pellet...
  8. ncbi New species of Moravecia (Nematoda: Dracunculoidea) from body cavity of marine perciform fish Percophis brasiliensis in Argentina
    Paola Braicovich
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata ANPCyT, Funes 3350, 7600 Mar del Plata, Argentina
    J Parasitol 93:353-6. 2007
    ..This is the second known species of Moravecia Ribu et Lester, 2004 and the first species of this genus reported from South American waters...
  9. ncbi Energy and distribution in subterranean rodents: sympatry between two species of the genus Ctenomys
    Facundo Luna
    Laboratorio de Ecofisiologia, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET, CC 1245, Mar del Plata, Argentina
    Comp Biochem Physiol A Mol Integr Physiol 147:948-54. 2007
    ..Our data did not support the thermal stress hypothesis, but the cost of burrowing hypothesis was not rejected. Other alternative hypotheses are proposed to explain the distribution of C. talarum and C. australis...
  10. ncbi Quantitative paleoparasitology applied to archaeological sediments
    Martín H Fugassa
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, Buenos Aires, Argentina
    Mem Inst Oswaldo Cruz 101:29-33. 2006
    ..Positive results were obtained only with the modified technique, resulting in the finding of Trichuris trichiura eggs in the sediment...
  11. ncbi [Evaluation of hypertensive patients by radial arterial diameter variation recording]
    Fernando M Clara
    Universidad Nacional de Mar del Plata, Argentina 2C nica 25 de Mayo, Mar del Plata 3lnstituto de Rehabilitacion del Sur, Mar del Plata
    Medicina (B Aires) 66:533-9. 2006
    ..These results, using available technology of smaller cost, were well-matched to those achieved by pressure signals at radial artery obtained by means of applanation tonometry...
  12. ncbi Paleoparasitological records in a canid coprolite from Patagonia, Argentina
    M H Fugassa
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata CONICET, Argentina
    J Parasitol 92:1110-3. 2006
    ..Eggs of nematodes identified as Trichuris sp., Capillaria sp., Uncinaria sp., and an ascaridid (probably Toxascaris sp.) or spirurids (presumably Physaloptera sp.), plus a cestode (Anoplocephalidae), presumably Moniezia sp., were found...
  13. ncbi [Inhibition of Paenibacillus larvae employing a mixture of essential oils and thymol]
    S R Fuselli
    Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    Rev Argent Microbiol 38:89-92. 2006
    ..An inhibitory synergetic effect on AFB was observed reducing MIC and MBC values due to the use of a mixture of 62.5% of thyme, 12.5% of cinnamon and 25% of thymol...
  14. ncbi Effect of tunnel inclination on digging energetics in the tuco-tuco, Ctenomys talarum (Rodentia: Ctenomyidae)
    Facundo Luna
    Funes 3250, Mar del Plata, CC 1245, Buenos Aires, Argentina
    Naturwissenschaften 94:100-6. 2007
    ..Even given that tunnels >40 degrees represented only 6% of the total burrow length, burrow architecture appears to be constrained by the high energetic cost of constructing in steeper angles...
  15. doi Digestive strategies in the South American subterranean rodent Ctenomys talarum
    Juana C del Valle
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Argentina
    Comp Biochem Physiol A Mol Integr Physiol 150:387-94. 2008
    ....
  16. doi Eimeriid oocysts from archaeological samples in Patagonia, Argentina
    M H Fugassa
    Conicet Laboratorio de Zoonosis Parasitarias, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Mar del Plata, Argentina
    J Parasitol 94:1418-20. 2008
    ..Explanations regarding coevolution between parasites, hosts and paleoenvironmental conditions are discussed herein...
  17. doi The importance of the compound community on the parasite infracommunity structure in a small benthic fish
    Juan Tomás Timi
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET, 7600 Mar del Plata, Argentina
    Parasitol Res 104:295-302. 2009
    ..They are obtained by passive sampling of infective stages as fish feed, and lead to predictable assemblages, with a non-random composition and structure modeled mainly by ecological filters...
  18. ncbi Seasonal stability in parasite assemblages of the Brazilian flathead, Percophis brasiliensis (Perciformes: Percophidae): predictable tools for stock identification
    Paola E Braicovich
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    Folia Parasitol (Praha) 57:206-12. 2010
    ..Parasites can, therefore, be considered predictable markers for fish stock identification, independently of the season of capture, at least on an annual scale...
  19. doi Retinal photoreceptors of two subterranean tuco-tuco species (Rodentia, Ctenomys): morphology, topography, and spectral sensitivity
    Cristian E Schleich
    Laboratorio Ecofisiología, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Argentina
    J Comp Neurol 518:4001-15. 2010
    ..Avoiding predators and selecting food during the brief aboveground excursions may have exerted pressure to retain robust cone-based vision in Ctenomys. UV tuning of the S cone pigment is shared with a number of other hystricomorphs...
  20. doi Effect of bacterial metabolites on microsporidian Nosema ceranae and on its host Apis mellifera
    Martín P Porrini
    Arthropods Laboratory FCEyN, UNMDP, Mar del Plata, Argentina
    Parasitol Res 107:381-8. 2010
    ..Based on the results obtained, one of the surfactins is herein postulated as a molecule capable of reducing N. ceranae development, acting either by direct exposure to purified spores or incorporated into the digestive tract of the bee...
  21. doi Primary cell culture of Echinococcus granulosus developed from the cystic germinal layer: biological and functional characterization
    Clara M Albani
    Laboratorio de Zoonosis Parasitarias, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, Nivel Cero, 7600 Mar del Plata, Argentina
    Int J Parasitol 40:1269-75. 2010
    ..This method also constitutes a powerful tool for the design of more efficient therapeutic alternatives...
  22. ncbi Paleoparasitological results for rodent coprolites from Santa Cruz Province, Argentina
    Norma Haydée Sardella
    Laboratorio de Paleoparasitología, Universidad Nacional de Mar del Plata, Mar del Plata, Argentina
    Mem Inst Oswaldo Cruz 105:33-40. 2010
    ..In this study, the specific filiations of parasites, their zoonotic importance, the rodent identity, on the basis of previous zooarchaeological knowledge, and the environmental conditions during the Holocene in the area are discussed...
  23. ncbi Echinococcus granulosus: biological comparison of cattle isolates from endemic regions of Argentina and Spain
    M V Andresiuk
    Laboratorio de Zoonosis Parasitarias, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes, Buenos Aires, Argentina
    Rev Argent Microbiol 41:218-25. 2009
    ..Further studies involving other epidemiological, morphometric and molecular data, including other types of livestock, would contribute to clarify and expand the present work...
  24. ncbi Beyond competition: the stress-gradient hypothesis tested in plant-herbivore interactions
    Pedro Daleo
    Laboratorio de Ecologia, FCEyN, Universidad Nacional de Mar del Plata, CC 573 Correo Central B7600WAG, Mar del Plata, Argentina
    Ecology 90:2368-74. 2009
    ..Our findings suggest that the balance between positive and negative interactions along stress gradients is more important than previously perceived and also applies to facilitation and herbivory between animals and plants...
  25. doi Similarity in parasite communities of the teleost fish Pinguipes brasilianus in the southwestern Atlantic: infracommunities as a tool to detect geographical patterns
    Juan T Timi
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Científicas y Técnicas CONICET, Funes 3350, 7600 Mar del Plata, Argentina
    Int J Parasitol 40:243-54. 2010
    ..Infracommunities showed a stronger effect of distance than component communities, probably due to the influence of short term and local variability of oceanographic conditions...
  26. doi ATR-SEIRAs characterization of surface redox processes in G. sulfurreducens
    Juan Pablo Busalmen
    Instituto de Electroquimica, Universidad de Alicante, Apartado de Correos 99, 03080 Alicante, Spain
    Bioelectrochemistry 78:25-9. 2010
    ..The expression of external cytochromes in response to the potential of the electron acceptor suggests the existence of alternative pathways of electron transport with different energy yield, though it remains to be demonstrated...
  27. doi Evolution of brain size in a highly diversifying lineage of subterranean rodent genus Ctenomys (Caviomorpha: Ctenomyidae)
    Aldo Iván Vassallo
    Laboratorio de Ecofisiologia, Depto de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET, Argentina
    Brain Behav Evol 73:138-49. 2009
    ..Brain size evolution in Ctenomys is discussed in regards to sensory capabilities and behavioral attributes associated with the occupation of a subterranean ecological niche...
  28. ncbi Evaluation of culture media for Paenibacillus larvae applied to studies of antimicrobial activity
    L B Gende
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata
    Rev Argent Microbiol 40:147-50. 2008
    ..larvae strains: 0.227 +/- 0.016 for the Cobo strain, 0.279 +/- 0.015 for La Plata strain, 0.758 +/- 0.020 for Mechongué strain and 0.244 +/- 0.0079 for Sierra de los Padres strain, respectively...
  29. doi Paleoparasitological analysis of rodent coprolites in holocenic samples from Patagonia, Argentina
    Norma H Sardella
    CONICET, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Funes 3250, 7600 Mar del Plata, Argentina
    J Parasitol 95:646-51. 2009
    ..The finding of Paraspidodera in Patagonian samples represents new evidence that strengthens the co-phylogenies between nematodes of this genus and Ctenomys and reinforces the value of parasites as tags in paleoparasitology...
  30. doi A new species of Capillostrongyloides (Nematoda: Capillariidae) parasitizing the horsefish, Congiopodus peruvianus (Pisces: Congiopodidae), from Argentina
    Delfina M P Cantatore
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Cientificas y Técnicas, Mar del Plata, Argentina
    J Parasitol 95:388-91. 2009
    ..In addition, the site of infection, i.e., stomach versus gall bladder. This is the first Capillostrongyloides species reported from fishes in the southern Atlantic Ocean...
  31. ncbi Morphology and histology of P. argentinus (Crustacea, Decapoda, Caridea) digestive tract
    Liliana Sousa
    Depto de Ciencias Marinas, Facultad de Ciencias Exactas y Naturales, UNMP, Mar del Plata, Argentina
    Biocell 30:287-94. 2006
    ..argentinus is basically similar to that of most of decapods. The absence of calcified structures in the stomach and the width of the longitudinal channels in the filter are related to the predominantly detritivorous diet...
  32. ncbi A new species of Capillaria (Nematoda: Capillariidae) parasitizing Conger orbignianus (Pisces: Congridae) from Argentina
    Juan T Timi
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Científicas y Técnicas Mar del Plata, Argentina
    J Parasitol 92:628-30. 2006
    ..P.) margolisi, from which it is distinguished by lacking a medial expansion in the spicule and a slightly elevated anterior lip of vulva, and by having a shorter esophagus, a larger number of stichocytes, and a shorter tail...
  33. ncbi Detection of quorum sensing signals in the haloalkaliphilic archaeon Natronococcus occultus
    Roberto A Paggi
    Instituto de Investigaciones Biologicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600 Mar del Plata, Argentina
    FEMS Microbiol Lett 221:49-52. 2003
    ..We report the detection of potential autoinducer molecules of the acylated homoserine lactone type in the archaeon N. occultus. These molecules may be responsible for the production/activation of extracellular protease...
  34. ncbi Nematodes as indicators of wetland pollution
    S E Murialdo
    Grupo de Ingeniería Bioquímica GIB, Facultad de Ingenieria, Universidad Nacional de Mar del Plata, Juan B Justo 4302, Mar del Plata 7600, Buenos Aires, Argentina
    J Environ Biol 23:423-8. 2002
    ..These preliminary results from the wetland present a description of nematode communities existing under a particular set of conditions that have not been reported previously...
  35. ncbi Occurrence and distribution of organochlorine pesticides (OCPs) in tomato (Lycopersicon esculentum) crops from organic production
    Mariana Gonzalez
    Laboratorio de Ecotoxicologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, Argentina
    J Agric Food Chem 51:1353-9. 2003
    ..The occurrence of OCPs in the study farm, where agrochemicals have never been used, is a result of atmospheric deposition of those pesticides...
  36. ncbi Efficacy of formic acid in gel for Varroa control in Apis mellifera L.: importance of the dispenser position inside the hive
    Martin Eguaras
    CONICET, Dpto Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, Mar del Plata 7600, Argentina
    Vet Parasitol 111:241-5. 2003
    ..The higher efficacy was registered when the dispensers were placed over brood combs and on the hive bottom. It is suggested that efficacy is related to dispenser position within the hive...
  37. ncbi Bioenergetics of reproduction and pup development in a subterranean rodent (Ctenomys talarum)
    Roxana R Zenuto
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, C C 1245 7600 Mar del Plata, Argentina
    Physiol Biochem Zool 75:469-78. 2002
    ..Suckling time decreased with age of pups, and at the same time, mother chases directed toward their pups increased. These reproductive characteristics may contribute to successful existence in a subterranean habitat...
  38. ncbi Flexural strength distribution of a PMMA-based bone cement
    Claudia I Vallo
    Institute of Materials Science and Technology INTEMA, Universidad Nacional de Mar del Plata National Research Council CONICET, Av Juan B Justo 4302, 7600 Mar del Plata, Argentina
    J Biomed Mater Res 63:226-36. 2002
    ..Cements tested in four-point bending resulted in lower flexural strength than that tested in three-point bending. The ratio of mean strength measured in the different load arrangements was satisfactory, as predicted by the Weibull model...
  39. ncbi Changes in the hepatopancreas histology of Palaemonetes argentinus (Crustacea, Caridea) during moult
    L G Sousa
    Departamento de Ciencias Marinas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, B7602AYL, Mar del Plata, Argentina
    Biocell 25:275-81. 2001
    ..R-cells are the most abundant, and F-cells do not change significantly through the cycle. The observations suggest that the hepatopancreas of P. argentinus undergoes a significant dynamic and cellular turn over rate in relation to moult...
  40. ncbi Salinity dependent Na+-K+ATPase activity in gills of the euryhaline crab Chasmagnathus granulata
    C E Schleich
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Argentina
    Gen Physiol Biophys 20:255-66. 2001
    ....
  41. ncbi Trichoderma koningii as a biomineralizing fungous agent of calcium oxalate crystals in typical Argiudolls of the Los Padres Lake natural reserve (Buenos Aires, Argentina)
    F Oyarbide
    Centro de Geologia de Costas y del Cuaternario, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Argentina
    Microbiol Res 156:113-9. 2001
    ..T. koningii was identified as the most active biomineralizing organism thus constituting the first reference to indicate this species as a biomineral producing agent...
  42. pmc Adhesion of Pseudomonas fluorescens (ATCC 17552) to nonpolarized and polarized thin films of gold
    J P Busalmen
    División Corrosión, INTEMA CONICET, Universidad Nacional de Mar del Plata, B7608FDQ Mar del Plata, Argentina
    Appl Environ Microbiol 67:3188-94. 2001
    ..01 M). At high ionic strength (0.1 M), deviations from DLVO behavior related to the participation of specific interactions were observed, when surfaces were polarized to negative potentials...
  43. ncbi Reproductive energetics and thermoregulatory status of nestlings in pampas mice Akodon azarae (rodentia: sigmodontinae)
    C D Antinuchi
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600 Mar del Plata, Argentina
    Physiol Biochem Zool 74:319-24. 2001
    ..Differences were not detected in body temperatures among solitary or grouped pups...
  44. ncbi Genotoxic evaluation of the pyrethroid lambda-cyhalothrin using the micronucleus test in erythrocytes of the fish Cheirodon interruptus interruptus
    M A Campana
    Lab Genética, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3250, 3er Piso, 7600, Mar del Plata, Argentina
    Mutat Res 438:155-61. 1999
    ..The results could be considered as a validation of the MN test in fishes for the assessment of genotoxic pollutants...
  45. ncbi Myxosporeans and coccidians parasitic on engraulid fishes from the coasts of Argentina and Uruguay
    J T Timi
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Argentina
    Parasite 5:331-9. 1998
    ..01%). Eimeria patagonensis n. sp. was found in E. anchoita living in the Patagonian region of the Argentine Sea (prevalence 0.45%). Details of some ultrastructural features of S. argentinensis are provided...
  46. ncbi Thermoregulatory development in pups of the subterranean rodent Ctenomys talarum
    Ana Paula Cutrera
    Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, C C 1245 7600, Mar del Plata, Argentina
    Physiol Behav 79:321-30. 2003
    ..Huddling did not have a significant effect on energy expenditure of young tuco-tucos, being this related to the stable thermal conditions found in natural burrows and pups' mode of development...
  47. ncbi Organochlorine pesticide residues in leek (Allium porrum) crops grown on untreated soils from an agricultural environment
    Mariana Gonzalez
    Laboratorio de Ecotoxicologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    J Agric Food Chem 51:5024-9. 2003
    ..The occurrence of OCPs in this farm could be the result of atmospheric deposition and/or surface runoff of these pesticides...
  48. ncbi Argentinochondria patagonensis n. gen., n. sp. (Copepoda: Chondracanthidae) parasitic on Genypterus brasiliensis (Pisces: Ophidiidae) from Patagonia, Argentina
    Jorge A Etchegoin
    Laboratorio de Parasitologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    J Parasitol 89:701-4. 2003
    ..Males have usual chondracanthid form, oral appendages as in female, except a longer paragnath, fewer teeth on maxilla, and 2 pairs of reduced legs...
  49. ncbi A new species of Dichelyne (Nematoda: Cucullanidae) parasitizing Pogonias cromis (Pisces: Sciaenidae) from Mar Chiquita coastal lagoon, Argentina
    Ana J Alarcos
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Funes 3350, 7600 Mar del Plata, Argentina
    J Parasitol 92:341-5. 2006
    ..75). Among Dichelyne (Cucullanellus), the new species is unique in having the papillae 2 situated at the level of ventral sucker in males and bearing subcuticular ornamentation in the female tail...
  50. ncbi Integrated morphophysiological assessment of two methods for sperm selection in bovine embryo production in vitro
    A Cesari
    Instituto de Investigaciones Biologicas, Facultad de Ciencias Exactas y Naturales, UNMdP CC 1245 7600 Mar del Plata, Buenos Aires, Argentina
    Theriogenology 66:1185-93. 2006
    ....
  51. ncbi Size relationships between the parasitic copepod, Lernanthropus cynoscicola , and its fish host, Cynoscion guatucupa
    J T Timi
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET, Argentina
    Parasitology 132:207-13. 2006
    ..However, its location along the host size range could be determined by a balance between fecundity and number of available hosts, which increases and decreases, respectively, with both host and parasite size...
  52. ncbi Bioresorbable poly(ester-ether urethane)s from L-lysine diisocyanate and triblock copolymers with different hydrophilic character
    Gustavo A Abraham
    Instituto de Investigaciones en Ciencia y Tecnología de Materiales, INTEMA, UNMdP CONICET, J B Justo 4302, B7608FDQ Mar del Plata, Argentina
    J Biomed Mater Res A 76:729-36. 2006
    ..The use of triblock macrodiols with different hydrophilicity allowed the preparation of a series of polyurethanes having a broad range of properties...
  53. ncbi Corynosoma australe Johnston, 1937 and C. cetaceum Johnston & Best, 1942 (Acanthocephala: Polymorphidae) from marine mammals and fishes in Argentinian waters: allozyme markers and taxonomic status
    Norma H Sardella
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    Syst Parasitol 61:143-56. 2005
    ..However, a number of morphological and morphometric features of the Argentinian material were different to those of C. australe and C. cetaceum described from other regions of the world...
  54. ncbi Properties of acrylic bone cements formulated with Bis-GMA
    Claudia I Vallo
    Institute of Materials Science and Technology INTEMA, Universidad Nacional de Mar del Plata National Research Council CONICET, Av Juan B Justo 4302, 7600 Mar del Plata, Argentina
    J Biomed Mater Res B Appl Biomater 74:676-85. 2005
    ..The increase in the crosslinking density with increasing amount of Bis-GMA renders the polymer matrix more brittle. This feature was considered responsible for the reduced flexural strength...
  55. ncbi Use of chemical communication by the subterranean rodent Ctenomys talarum (tuco-tuco) during the breeding season
    Roxana R Zenuto
    Facultad de Ciencias Exactas y Naturales Universidad Nacional de Mar del Plata Cc 1245, 7600 Mar del Plata, Argentina
    J Chem Ecol 30:2111-26. 2004
    ..The role of chemical cues in territory defense and breeding performance by this highly territorial subterranean rodent is discussed...
  56. ncbi Evaluation of conventionally and organically produced vegetables for high lipophilic organochlorine pesticide (OCP) residues
    Mariana Gonzalez
    Laboratorio de Ecotoxicologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    Food Chem Toxicol 43:261-9. 2005
    ..Thus, environmental conditions like presence or absence of trees, hedgerows or nearby to conventional farms influence on OCP occurrence and levels in vegetables organically grown...
  57. ncbi Is there a trade-off between fecundity and egg volume in the parasitic copepod Lernanthropus cynoscicola?
    Juan Tomás Timi
    Laboratorio de Parasitologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Científicas y Técnicas CONICET, Argentina
    Parasitol Res 95:1-4. 2005
    ..In contrast, under conditions in which resources are plentiful, large females produce large quantities of high-quality eggs, and have a marked fitness advantage over small females...
  58. ncbi Phenotypic flexibility of digestive morphology and physiology of the South American omnivorous rodent Akodon azarae (Rodentia: Sigmodontinae)
    Juana C del Valle
    Laboratorio de Ecofisiologia, Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, Mar del Plata 7600, Argentina
    Comp Biochem Physiol A Mol Integr Physiol 139:503-12. 2004
    ..Furthermore, this work suggests that low temperature is an independent cue of other environmental factors to trigger the strategies allowing the maintenance of body condition in A. azarae...
  59. ncbi BSp66 protease is widespread in the acrosomal region of sperm from several mammalian species
    A Cesari
    Instituto de Investigaciones Biologicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245 7600 Mar del Plata, Buenos Aires, Argentina
    Biochem Biophys Res Commun 324:874-7. 2004
    ..This protein was located on the acrosomal region of sperm cells by immunofluorescence methods. We concluded that BSp66 is widespread in mammalian sperm, with a conserved location in the acrosomal region...
  60. ncbi Antioxidant activity in hepatopancreas of the shrimp (Pleoticus muelleri) by electron paramagnetic spin resonance spectrometry
    Ana C Díaz
    Departamento Ciencias Marinas, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina
    J Agric Food Chem 52:3189-93. 2004
    ..In contrast, the extracts of control animals, fed with squid mantle, had the weakest antioxidant activity (4%). These data indicated that the presence of vitamin E in the diet can provide immediate protection against free radicals...
  61. ncbi Semiautomated image segmentation of bone marrow biopsies by texture features and mathematical morphology
    Gustavo Javier Meschino
    Signal Processing Laboratory, Department of Electronics, Faculty of Engineering, National University of Mar del Plata, Mar del Plata, Argentina
    Anal Quant Cytol Histol 26:31-8. 2004
    ....
  62. ncbi Anoplocephalid cestodes of veterinary and medical significance: a review
    G Denegri
    Department of Biology, Faculty of Science, National University of Mar del Plata, Argentina
    Folia Parasitol (Praha) 45:1-8. 1998
    ..Aspects of this proposal are discussed using the biology of the cestodes of family Anoplocephalidae, as examples...