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Activity of ethylene oxide in the mouse sperm morphology test

Ribeiro, Lucia Regina; Salvadori, Daisy Maria Fivero; Pereira, Carlos Alberto Braganfa; Befak, Willy (Archives of Toxicology, 1987)

Inhaled ethylene oxide induced an increased frequency of abnormal sperm cells in mice when the animals were treated at 200 and 400 ppm (6 h per day; 5 days) in three stages of cell development: spermatozoa, spermatid and ...
Cytogenetic effects of inhaled ethylene oxide in somatic and germ cells of mice

Ribeiro, Lúcia Regina; Rabeilo-Gay, Maria Nazareth; Salvadori, Daisy Maria Fhvero; Pereira, Carlos Alberto Braganfa; Befak, Willy (Archives of Toxicology, 1987)

The induction of cytogenetic effects by inhalation of ethylene oxide was tested in bone marrow cells and primary spermatocytes at diakinesis-metaphase I cells from mouse after a single treatment (6 h/1 day) at 0, 200, 400 ...
Cytogenetic effects of malathion insecticide on somatic and germ cells of mice

Salvadori, D. M. F.; Ribeiro, L. R.; Pereira, Carlos Alberto Braganfa; Beçak, Willy (Mutation Research/Genetic Toxicology, 1988)

Male mice dermally exposed to single or multiple treatment (5 days/2 weeks) showed that the ability of malathion to induce chromosome aberrations in somatic (bone marrow) and germ cells (primary spermatocytes) was related ...
The protective effect of ß-carotene on genotoxicity induced by cyclophosphamide

Salvadori, Daisy M. F.; Ribeiro, Lúcia R.; Oliveira, Marília de Dirceu Machado de; Pereira, Carlos A. B.; Beçak, Willy (Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis, 1992)

The influence of ß-carotene on the clastogenicity of the indirect-acting mutagen cyclophosphamide (CPA) was investigated in mice, in vivo, for the induction of chromosome aberrations in bone marrow cells (BM). ß-Carotene ...
The protective effect of ß-carotene on genotoxicity induced by cyclophosphamide

Salvadori, Daisy M. F.; Ribeiro, Lúcia R.; Oliveira, Marília de Dirceu Machado de; Pereira, Carlos A. B.; Beçak, Willy (Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 1992)

The influence of ß-carotene on the clastogenicity of the indirect-acting mutagen cyclophosphamide (CPA) was investigated in mice, in vivo, for the induction of chromosome aberrations in bone marrow cells (BM). ß-Carotene ...
Clastogenic effect of extracts obtained from Crotalaria retusa L. and Crotalaria mucronata Desv. on mouse bone marrow cells

Ribeiro, Lúcia R.; Silva, Ana Rita; Bautista, Ana Rita Pedreira Lapa; Costa, Silvia Lima; Sales, Liana A.; Rios, Austregésilo C. C.; Salvadori, Daisy Maria Favero (1993)

This work has evaluated the clastogenicity of six extracts (tea and aqueous extract of leaves, tea, aqueous and methanolic extracts of dried fruit, and tea of unripe fruit) obtained from Crotalaria retusa L. and three ...
Biological monitoring of workers occupationally exposed to ethylene oxide

Ribeiro, L. R.; Salvadori, D. M. F.; Rios, A. C. C.; Costa, Silvia Lima; Tates, A. D.; Törnqvist, M.; Natarajan, A. T. (1994)

Ethylene oxide (EtO) is an important intermediate industrial chemical which is also used for sterilizing medical products and hospital equipment. In the present study we have evaluated some biological markers, such as ...
The action of the herbicide paraquat on somatic and germ cells of mice

Rios, Austregésilo C.C.; Salvadori, Daisy M.F.; Oliveira, Susie V.; Ribeiro, Lúcia R. (1995)

The genotoxic potential of paraquat was evaluated in mouse somatic (bone marrow) and germ (spermatozoa) cells. Two exposure schedules were conducted: single and multiple treatment. Only for multiple treatment was an increased ...
Soroprevalência da infecção pelo vírus da Artrite-Encefalite Caprina (Caev) no rebanho de caprinos leiteiros da região da grande Fortaleza, Ceará, Brasil

Melo, Ana Célia Mendes; Franke, Carlos Roberto (Universidade federal de Santa Maria, 1997)

Foi realizada uma pesquisa sorológica, com base no teste de imunodifusão em ágar gel (AGID) com antígeno (p28) do vírus Maedi/Visna, para estimar a soroprevalência da infecção pelo vírus da Artrite-Encefalite Caprina (CAEV) ...
A bis-labdenic diterpene from Moldenhawera nutans

David, Juceni Pereira de Lima; David, Jorge Mauricio; Yang, Shu-Wei; Cordell, Geoffrey A. (1998)

A new bis-diterpene, moldenin (6), derived from the esterification of 3-oxo-8(17)-15-labdenic acid with 3β-hydroxy-8(17)-15-labdenol, four normal-labdane diterpenes 1–4, and betulinic acid were isolated from the stems of ...
Seroprevalence of Neospora caninum in dairy cattle in Bahia, Brazil

Gondim, Luis Fernando Pita; Sartor, I. F.; Hasegawa, M.; Yamane, I. (1999)

Sera collected from 447 dairy cattle on 14 dairy farms were tested for Neospora caninum antibodies by use of an immunofluorescent antibody technique. Positive reactions with titres ≥1 : 200 were found in 63 (14.09%) of ...
Gender determination in equine fetuses between days 50 and 90 of pregnancy

Merkt, H.; Moura, J. C. de Andrade; Jöchle, W. (1999)

For fetal gender determination, 169 thoroughbred mares were examined with ultrasound between Days 50 and 70 of pregnancy. Sex differentiation was based on the position of the genital tubercle (GT), which during this time ...
Geographic information systems and the environmental risk of schistosomiasis in Bahia, Brazil

Bavia, Maria Emília; Hale, Lamar F.; Malone, John B.; Braud, Dewitt H.; Shane, Simon M. (American Journal of Tropical Medicine and Hygiene, 1999)

A geographic information system was constructed using maps of regional environmental features, Schistosoma mansoni prevalence in 30 representative municipalities, and snail distribution in Bahia, Brazil to study the spatial ...
Serological survey of antibodies to Toxoplasma gondii in goats, sheep, cattle and water buffaloes in Bahia State, Brazil

Gondim, Luis Fernando Pita; Barbosa Junior, Helio Vilela; Ribeiro Filho, C. H. A.; Saeki, H. (Veterinary Parasitology, 1999)

Serum samples from 439 goats, 240 sheep, 194 cattle and 104 water buffaloes were tested for antibodies to Toxoplasma gondii by a latex agglutination test. Antibodies to T. gondii were found in 28.93% of goats, 18.75% of ...
Exame do fluido peritoneal e hemograma de eqüinos submetidos à laparotomia e infusão intraperitoneal de carboximetilcelulose

Lopes, Marco Aurélio Ferreira; Dearo, Antonio Cezar de Oliveira; Biondo, Alexander Welker; Godin, Luiz Fenando Pita; Iamaguti, Paulo; Thomassian, Armen; Kohayagawa, Aguemi (Universidade federal de Santa Maria, 1999-01)

A aplicação intraperitoneal de carboximetilcelulose (CMC) tem sido utilizada na prevenção de aderências peritoneais em animais e em humanos. Os objetivos deste trabalho foram avaliar a resposta do peritônio ao trauma ...
Serological survey of antibodies to Toxoplasma gondii in goats, sheep, cattle and water buffaloes in Bahia State, Brazil

Gondim, Luis Fernando Pita; Barbosa Junior, Helio Vilela; Ribeiro Filho, C. H. A.; Saeki, H. (Elsevier, 1999-05)

Serum samples from 439 goats, 240 sheep, 194 cattle and 104 water buffaloes were tested for antibodies to Toxoplasma gondii by a latex agglutination test. Antibodies to T. gondii were found in 28.93% of goats, 18.75% of ...
Lymphoproliferative response and T lymphocyte subsets in a medium-term multi-organ bioassay for carcinogenesis in Wistar rats

Spinardi-Barbisan, Ana Lúcia Tozzi; Kaneno, Ramon; Rodrigues, Maria Aparecida Marchesan; Salvadori, Daisy Maria Fávero; Moreira, Eduardo Luiz Trindade; Barbisan, Luís Fernando; Camargo, João Lauro Viana de (2000)

The lymphoproliferative response and T lymphocyte subsets were evaluated at different stages of carcinogenesis in male Wistar rats sequentially initiated with N-diethylnitrosamine (DEN), N-butyl-N-4(hydroxybutyl)nitrosamine ...
Fatores etários no leucograma de fêmeas zebuínas sadias da raça Nelore (Bos indicus)

Costa, Joselito Nunes; Benesi, Fernando José; Birgel, Eduardo Harry; D'Angelino, José Luiz; Ayres, Maria Consuêlo Caribé; Barros Filho, Ivan Roque de (Universidade federal de Santa Maria, 2000)

Para avaliar-se a influência dos fatores etários sobre o leucograma de fêmeas zebuínas da raça Nelore, examinaram-se amostras de sangue de 158 animais, distribuídos por sete grupos etários ( até 3 meses; 3 a 6 meses; 6 a ...
Efeito do Número de Inseminações Artificiais por Ciclo sobre a Fertilidade de Éguas Inseminadas com Sêmen Eqüino Diluído, Resfriado a 20oC e Transportado

Lima, Marcos Chalhoub Coelho; Silva Filho, José Monteiro da; Carvalho, Giovanni Ribeiro de; Palhares, Maristela Silveira; Valle, Guilherme Ribeiro; Oliveira, Henrique Nunes (2000)

Cento e vinte ciclos estrais de cento e cinco fêmeas eqüinas da raça Mangalarga Marchador foram analisados com o objetivo de estudar o efeito do número de inseminações artificiais por ciclo sobre a fertilidade de éguas ...
Perfil dos constituintes do sangue no puerpério imediato de ovelhas submetidas a cesariana eletiva e de ovelhas com parto normal

Chalhoub, M.; Gentile, L. B.; Prestes, N. C.; Lopes, M. D.; Lopes, R. S. (Escola de Veterinária UFMG, 2000)

Compararam-se os perfis dos constituintes do sangue de ovelhas submetidas a cesariana eletiva (n=21; GI) ou com partos normais (n= 11; GII). Obtiveram-se amostras de sangue em cinco momentos: no dia do parto, antes de sua ...

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