Results 21 to 30 of about 11,829 (139)

Impaired Lymphocyte Profile in Schistosomiasis Patients with Periportal Fibrosis

open access: yesJournal of Immunology Research, Volume 2013, Issue 1, 2013., 2013
The Th2 immune response in chronic schistosomiasis is associated with the development of periportal fibrosis. However, little is known about the phenotype and activation status of T cells in the process. Objective. To evaluate the profile of T cells in schistosomiasis patients with periportal fibrosis. Methods. It was a cross‐sectional study, conducted
Luciana Santos Cardoso   +7 more
wiley   +1 more source

Química de igarapés de água preta do nordeste do Amazonas - Brasil Chemical composition of black water creeks from northern of Amazonas - Brasil

open access: yesActa Amazonica, 2008
Neste estudo foram analisados pH, Eh, condutividade elétrica, cloreto, sílica, fosfato, K, Na, Ca, Mg, Fe, F, Zn, Ni, Co, Mn, Pb, Cu, Cr, Li e Cd nas águas de drenagens de pequeno porte no nordeste do Amazonas.
Adriana Maria Coimbra Horbe   +1 more
doaj   +1 more source

The Effect of Antihelminthic Treatment on Subjects with Asthma from an Endemic Area of Schistosomiasis: A Randomized, Double‐Blinded, and Placebo‐Controlled Trial

open access: yesJournal of Parasitology Research, Volume 2012, Issue 1, 2012., 2012
This is a prospective, double‐blinded, and placebo‐controlled trial evaluating the influence of antihelminthic treatments on asthma severity in individuals living in an endemic area of schistosomiasis. Patients from group 1 received placebo of Albendazole or of Praziquantel and from group 2 received Albendazole and Praziquantel.
Maria Cecilia F. Almeida   +10 more
wiley   +1 more source

LUMINOSIDADE EXCESSIVA REDUZ A COLORAÇÃO DA PELE DO CARDINAL TETRA

open access: yesBoletim do Instituto de Pesca, 2018
Para compreender as mudanças morfológicas e fisiológicas da perda da coloração no tegumento do cardinal após exposição í­Â  luminosidade, exemplares de Paracheirodon axelrodi foram submetidos a diferentes intensidades luminosas (0, 250, 500, 1.200 e 2 ...
Regiane Monteiro LINHARES   +2 more
doaj   +1 more source

Cytokine and Chemokine Profile in Individuals with Different Degrees of Periportal Fibrosis due to Schistosoma mansoni Infection

open access: yesJournal of Parasitology Research, Volume 2012, Issue 1, 2012., 2012
Periportal fibrosis in schistosomiasis has been associated to the host immune response to parasite antigens. We evaluated the immune response in S. mansoni infected individuals with different degrees of periportal fibrosis. Cytokine and chemokines were measured in serum and in supernatants of PBMC cultures stimulated with the soluble adult worm (SWAP ...
Robson Da Paixão De Souza   +8 more
wiley   +1 more source

Mineralogia e química dos sedimentos de fundo do médio e baixo Madeira e de seus principais tributários: Amazonas - Brasil Mineralogy and chemistry of bottom sediments of the middle and lower Madeira River and its main tributaries: Amazonas - Brazil

open access: yesActa Amazonica, 2011
O objetivo deste trabalho foi investigar a variação composicional e mineralógica dos sedimentos de fundo transportados pelos grandes rios da Amazônia, com nascentes nos Andes provenientes de rochas cratônicas.
Maria Mireide Andrade Queiroz   +2 more
doaj   +1 more source

Risk Factors for Asthma in a Helminth Endemic Area in Bahia, Brazil

open access: yesJournal of Parasitology Research, Volume 2012, Issue 1, 2012., 2012
Protective factors associated with atopy or asthma in rural areas include socioeconomic level, overcrowding, and helminth infection. However, little epidemiological information was originated from schistosomiasis areas. This study aimed to investigate factors associated with asthma in a schistosomiasis endemic area.
Luciana S. Cardoso   +7 more
wiley   +1 more source

Hidroquímica do rio Solimões na região entre Manacapuru e Alvarães: Amazonas - Brasil The Solimões river hydrochemistry between Manacapuru and Alvarães: Amazonas - Brazil

open access: yesActa Amazonica, 2009
Este trabalho discute as características físico-químicas das águas dos rios Solimões, Purus e seus afluentes, coletadas em novembro de 2004 no Estado do Amazonas, entre as cidades de Manacapuru-Alvarães e Anamã-Pirarauara.
Maria Mireide Andrade Queiroz   +3 more
doaj   +1 more source

Quality of a latosol-argisol system in the county of Lins/SP, Brazil [PDF]

open access: yes, 2008
Este trabalho objetivou caracterizar um sistema de solos, evidenciando a propriedades que possam esclarecer sua dinâmica e contribuir para a definição de critérios que condicionem a aptidão destes solos como receptores de efluentes.
IBRAHIM, Liliane, MELFI, Adolpho José
core   +3 more sources

O manejo do solo pelas populações pré-colombianas na Amazônia brasileira: vestígios deixados nas terras pretas de índio e terras mulatas. [PDF]

open access: yes, 2019
Práticas agrícolas na época pré-colombiana. As terras pretas de índio (TPI). Evidências do uso do fogo nas práticas agrícolas.
TEIXEIRA, W. G.
core  

Home - About - Disclaimer - Privacy