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Search Results: 1 - 10 of 901 matches for " Matheus Hillard Farret "
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Cryptosporidium in ferret (Mustela putorius furo) in the south of Brazil
Vinicius da Rosa Fanfa,Matheus Hillard Farret,Aleksandro Schafer da Silva,Silvia Gonzalez Monteiro
Biotemas , 2010,
Abstract: The aim of this research study was to evaluate the gastrointestinal parasitism in ferrets (Mustela putorius furo) kept in captivity in the southern region of Brazil. Fecal samples of two three-year-old ferrets, a male and a female, were analyzed by the direct smear method, the centrifugal flotation technique with zinc sulfate, and tha Kinyoun staining method. Oocysts of Cryptosporidum sp. were observed in the faeces of both animals. This is the first report of this protozoan in ferrets in Brazil.
First report of Giardia sp. and Cryptosporidium sp. in fecal samples in blue macaw (Anodorhynchus hyacinthinus) in southern Brazil
Matheus Hillard Farret,Vinicius da Rosa Fanfa,Luisa Ragagnin,Aleksandro Schafer da Silva
Biotemas , 2010,
Abstract: This study reports the gastrointestinal parasitism by Giardia sp. and Cryptosporidium sp. in blue macaw (Anodorhynchus hyacinthinus) in the southern region of Brazil. Fecal samples of two species kept in captivity in the state of Rio Grande do Sul were analyzed by the direct smear method, centrifugal flotation technique with zinc sulfate and Kinyoun staining technique for research of parasites. Mixed infection by eggs of Capillaria, cysts of Giardia sp. and oocysts of Cryptosporidium sp. was observed. This is the first report this protozoa in blue macaw.
Gastrointestinal protozoa in Tayassu pecari kept in captivity in Brazil Protozoários gastrointestinais em Tayassu pecari mantidos em cativeiro no Brasil
Matheus Hilliard Farret,Vinícius da Rosa Fanfa,Aleksandro Schafer da Silva,Silvia Gonzalez Monteiro
Semina : Ciências Agrárias , 2010,
Abstract: The aim of this study was to report the gastrointestinal parasitism in white-lipped peccary (Tayassu pecari) in Brazil. Fecal samples of three animals kept in captivity in the state of Rio Grande do Sul were collected. Samples were analyzed by the centrifugal flotation technique with zinc sulfate and by the Kinyon staining method. All animals showed mixed infection by cysts of Giardia sp. and Balantidium sp. and by oocysts of Cryptosporidium sp. and Eimeria sp. This is the first report of these four genera of protozoa in T. pecari. Este estudo teve como objetivo registrar o parasitismo gastrintestinal em queixada (Tayassu pecari) no Brasil. Foram colhidas amostras de fezes, de três exemplares mantidos em cativeiro no estado do Rio Grande do Sul. As amostras foram analisadas pelas técnicas de centrífugo flutua o com sulfato de zinco e colora o de kinyon para pesquisa de parasitos. Em todos os animais observou-se uma infec o mista por cistos de Giardia sp. e Balantidium sp., além de oocistos de Cryptosporidium sp e Eimeria sp. Este estudo relata o primeiro registro destes quatro gêneros de protozoários em T. pecari.
Impacts of Zebra Mussel Veliger Control Treatments on the Survival of Water-Hardened Landlocked Fall Chinook Salmon Eggs  [PDF]
Sierra Hillard, Nathan Huysman, Michael E. Barnes
Natural Resources (NR) , 2019, DOI: 10.4236/nr.2019.104008
Abstract:
Several treatment options have been developed to minimize the spread of zebra mussel Dreissena polymorphaveligers (larvae) during fish transportation. However, the effect of these treatments on the survival of newly-fertilized salmonid eggs has not been evaluated. This study examined the survival of water-hardened landlocked fall Chinook salmon Oncorhynchus tshawytscha eggs after one of four different treatments: 1) Control (no chemicals), 2) 100 mg/L formalin for two hours, 3) 750 mg/L of potassium chloride for one hour followed by 20 mg/L formalin for two hours, and 4) 750 mg/L of potassium chloride for one hour followed by 20 mg/L formalin for three hours. The 100 mg/L formalin treatment produced complete egg mortality. Survival to hatch was not significantly different among the other three treatments. Based on these results, the use of 750 mg/L potassium chloride for one hour followed by 20 mg/L formalin for three hours is recommended when moving Chinook salmon eggs from waters potentially infested with zebra mussels to hatcheries for incubation.
Top-down and bottom-up research in biodemography
Hillard Kaplan,Michael Gurven
Demographic Research , 2008,
Abstract: The most efficient way to make scientific progress in biodemography is to encourage bi-directional exchange between 'top-down' and 'bottom-up' research. This will entail exchange along the continuum of research from microscopic intracellular processes to population-level consequences. In addition, our understanding of the biology of aging and its demographic consequences will be enriched by mutual influence between studies of mechanistic or 'proximate' causal processes and investigations of the evolutionary processes underlying the same phenomena. Researchers working at these different levels of explanation could be more productive if they were informed by research at other levels and interacted with scientists with complementary expertise. Such collaborations could be encouraged both through interdisciplinary workshops, research projects, program projects and training programs.
Aplicabilidade do georreferenciamento de aerofotos de pequeno formato na forma??o de bancos de dados espaciais: uma alternativa para o cadastro técnico rural municipal
Farret, Julio Cesar;Giotto, Enio;
Ciência Rural , 1997, DOI: 10.1590/S0103-84781997000400009
Abstract: the lack of cartographic base for cartain regions, has taken to a more intensive use of aerial photographies of small format as a source of agile spatial information and of a low cost to the system users which treat georeferencing images to several purposes, specially to the rural municipal technical cadaster (rmtc), which demands that the magnitude of the errors inherentin the process be known. a study was developed in order to quantifi the inaccuracy, originated from the straight use, with no restitution of these aerial photographies in the two main ways of entrance of the spacial information in these systems: the manual digitizer, through digital table, using the cr-sigder 2.0 system, and the electronic digitizer, through scanner, with direct vector, in the screen svga, with mouse, using the cr-imarea 1.0 system. the supporting points to the transformation of scales were transformed to the utm system through gps and topography. the main parameter analysed was the average error of the position in the co-ordinates. there was also the attempt to discover which is the best distribution of the field supporting points to the scale transformation in these systems. the best point distribution presented a 6.96 meters average error of position in the coordinates to the digitizer table, and a 7.53 meters on to the svga monitor. taken into account the small scale used, these results show the big potencial of aerial photographies of small format to the purposes proposed in this work, since they are translated in errors of distances and areas in the topographic tolerance, as long as the supporting points are distributed one in each corner of the aerial photography.
Plerixafor for autologous CD34+ cell mobilization
Huda Salman, Hillard M Lazarus
Core Evidence , 2011, DOI: http://dx.doi.org/10.2147/CE.S7801
Abstract: ixafor for autologous CD34+ cell mobilization Review (3887) Total Article Views Authors: Huda Salman, Hillard M Lazarus Published Date February 2011 Volume 2011:6 Pages 23 - 29 DOI: http://dx.doi.org/10.2147/CE.S7801 Huda Salman, Hillard M Lazarus Division of Hematology-Oncology, Blood and Marrow Transplant Program, University Hospitals Case Medical Center, Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA Abstract: High-dose chemotherapy and autologous transplantation of hematopoietic cells is a crucial treatment option for hematologic malignancy patients. Current mobilization regimes often do not provide adequate numbers of CD34+ cells. The chemokine receptor CXCR4 and ligand SDF-1 are integrally involved in homing and mobilization of hematopoietic progenitor cells. Disruption of the CXCR4/SDF-1 axis by the CXCR4 antagonist, plerixafor, has been demonstrated in Phase II and Phase III trials to improve mobilization when used in conjunction with granulocyte colony-stimulating factor (G-CSF). This approach is safe with few adverse events and produces significantly greater numbers of CD34+ cells when compared to G-CSF alone. New plerixafor initiatives include use in volunteer donors for allogeneic hematopoietic cell transplant and in other disease targets.
THROMBOTIC MICROANGIOPATHY IN HAEMATOPOIETIC CELL TRANSPLANTATION:AN UPDATE
Evi Stavrou,Hillard Michael Lazarus
Mediterranean Journal of Hematology and Infectious Diseases , 2010, DOI: 10.4084/mjhid.2011.
Abstract: Allogeneic hematopoietic cell transplantation (HCT) represents a vital procedure for patients with various hematologic conditions. Despite advances in the field, HCT carries significant morbidity and mortality. A rare but potentially devastating complication is transplantation-associated thrombotic microangiopathy (TA-TMA). In contrast to idiopathic TTP, whose etiology is attributed to deficient activity of ADAMTS13, (a member of the A Disintegrin And Metalloprotease with Thrombospondin 1 repeats family of metalloproteases), patients with TA-TMA have > 5% ADAMTS13 activity. Pathophysiologic mechanisms associated with TA-TMA, include loss of endothelial cell integrity induced by intensive conditioning regimens, immunosuppressive therapy, irradiation, infections and graft-versus-host (GVHD) disease. The reported incidence of TA-TMA ranges from 0.5% to 75%, reflecting the difficulty of accurate diagnosis in these patients. Two different groups have proposed consensus definitions for TA-TMA, yet they fail to distinguish the primary syndrome from secondary causes such as infections or medication exposure. Despite treatment, mortality rate in TA-TMA ranges between 60% to 90%. The treatment strategies for TA-TMA remain challenging. Calcineurin inhibitors should be discontinued and replaced with alternative immunosuppressive agents. Daclizumab, a humanized monoclonal anti-CD25 antibody, has shown promising results in the treatment of TA-TMA. Rituximab or the addition of defibrotide, have been reported to induce remission in this patient population. In general, plasma exchange is not recommended.
Plerixafor for autologous CD34+ cell mobilization
Huda Salman,Hillard M Lazarus
Core Evidence , 2011,
Abstract: Huda Salman, Hillard M LazarusDivision of Hematology-Oncology, Blood and Marrow Transplant Program, University Hospitals Case Medical Center, Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USAAbstract: High-dose chemotherapy and autologous transplantation of hematopoietic cells is a crucial treatment option for hematologic malignancy patients. Current mobilization regimes often do not provide adequate numbers of CD34+ cells. The chemokine receptor CXCR4 and ligand SDF-1 are integrally involved in homing and mobilization of hematopoietic progenitor cells. Disruption of the CXCR4/SDF-1 axis by the CXCR4 antagonist, plerixafor, has been demonstrated in Phase II and Phase III trials to improve mobilization when used in conjunction with granulocyte colony-stimulating factor (G-CSF). This approach is safe with few adverse events and produces significantly greater numbers of CD34+ cells when compared to G-CSF alone. New plerixafor initiatives include use in volunteer donors for allogeneic hematopoietic cell transplant and in other disease targets.Keywords: plerixafor, autologous hematopoietic cell transplant, CD34, lymphoma, myeloma, granulocyte colony-stimulating factor (G-CSF)
Estimativas da qualidade de linhas poligonais topográficas
Stringhini, Mário;Moraes, Carlito Vieira de;Farret, Julio Cesar;
Ciência Rural , 2008, DOI: 10.1590/S0103-84782008000600017
Abstract: the objective through this article is to describe a procedure that contributes with quality survey estimations by means pre-analysis survey and estimations by means post-adjustment. the estimations are given by the chi-square test of the quadratic form of misclosures, the chi-square of the quadratic form of residuals from the least-squares adjustment method, the baarda's data snooping test, the standard ellipse, the confidence ellipse, position error circle and mean error circle. these concepts are examined through the numerical values provided in the case of a simple topographical traverse which was implanted at the universidade federal de santa maria campus with electronic tachymeter.
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