Results 31 to 40 of about 1,896 (161)

Estudos bacteriológicos e sorológicos de um surto de peste no Estado da Paraíba, Brasil Bacteriological and serological studies of a plague outbreak in the Paraíba state, Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1989
Foram realizados estudos bacteriológicos e/ou sorológicos para diagnóstico da infecção pestosa, em material obtido de 452 pacientes (48 positivos), 1.938 roedores e outros pequenos mamíferos (75 positivos), 4.756 cães (141 positivos) e 3.047 gatos (57 ...
Alzira Maria Paiva Almeida   +5 more
doaj   +1 more source

Bacteriologia, imunologia

open access: yesHansenologia Internationalis, 1983
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Hansenologia Internationalis
doaj   +2 more sources

Phenotypic and molecular detection of Salmonella sp. on growing, rearing and production phases in a commercial group of laying hens

open access: yesPesquisa Veterinária Brasileira, 2016
: This present study was developed with the objective of detect Salmonella sp. by conventional bacteriology and qPCR techniques in samples of flooring material from transport crates (meconium); raising environment (swab of cages and drinking fountains ...
Dunya M.C. Moraes   +6 more
doaj   +1 more source

Analysis of Aspergillus spp. Isolates According to Temporal–Spatial, Sociodemographic, and Clinical Variables—Microsatellite Typing of Clinical and Environmental Samples of Aspergillus fumigatus in a University Hospital in Sao Paulo, Brazil

open access: yesMycoses, Volume 69, Issue 1, January 2026.
ABSTRACT Background Typing Aspergillus species is crucial for understanding the sources of infection in hospital environments. Objectives This study analysed clinical and air samples as well as their relationship with the clinical forms of aspergillosis.
Claudia de Abreu Fonseca   +18 more
wiley   +1 more source

Uso de métodos complementares na inspeção post mortem de carcaças com suspeita de tuberculose bovina

open access: yesPesquisa Veterinária Brasileira, 2012
O objetivo foi utilizar métodos complementares de diagnóstico (histopatológicos, bacteriológicos e moleculares), no julgamento de lesões suspeitas de tuberculose observadas durante a inspeção post mortem de rotina em abatedouros.
Leone V. Furlanetto   +7 more
doaj   +1 more source

Characterization of milk production and quality on properties of family farming in the southern region of Rio Grande do Sul

open access: yesRevista do Instituto de Latícinios Cândido Tostes, 2020
The dairy chain has great socioeconomic importance in the national agricultural scenario. Family farmers have significant importance in this context, representing 60% of this production.
Bárbara Ponzilacqua Silva   +3 more
doaj   +1 more source

GalNAc Carbohydrate Prevents the Formation of Neutrophil Extracellular Traps and Increase Myeloperoxidase Enzyme Activity in Interactions of Neutrophils and Entamoeba histolytica Preincubated With GalNAc

open access: yesBioMed Research International, Volume 2026, Issue 1, 2026.
During amoebic infection, neutrophils are the first cells of the immune system to interact with trophozoites of Entamoeba histolytica, initiating amoebicidal activity. Different lectins and carbohydrates can participate in the mechanism of adhesion between E.
David Levaro-Loquio   +9 more
wiley   +1 more source

Salmonellosis detection and evidence of antibiotic resistance in an urban raccoon population in a highly populated area, Costa Rica

open access: yesZoonoses and Public Health, Volume 66, Issue 7, Page 852-860, November 2019., 2019
Abstract Wild animals are involved in zoonotic disease transmission cycles. These are generally complex and poorly understood, especially among animals adapted to life in human ecosystems. Raccoons are reservoirs and effective carriers for infectious agents such as Salmonella throughout different environments and contribute to the transference of ...
Mario Baldi   +3 more
wiley   +1 more source

Infecção tuberculosa latente em profissionais contatos e não contatos de detentos de duas penitenciárias do estado de São Paulo, Brasil, 2008 Latent tuberculosis among professionals with and without direct contact with inmates of two penitentiaries in the state of São Paulo, Brazil, 2008

open access: yesRevista Brasileira de Epidemiologia, 2011
INTRODUÇÃO: Para grupos de pessoas que permanecem confinadas, principalmente em presídios, a tuberculose sempre foi um grave problema de saúde, devido a sua transmissão respiratória, colocando em risco os profissionais que trabalham no sistema prisional,
Péricles Alves Nogueira   +2 more
doaj   +1 more source

Bioprospecting of Labdane‐Type Diterpenes From Austroeupatorium laetevirens: Molecular Networking, Structural Elucidation, and Biological Activity Evaluation

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Labdane‐type diterpenes are the main specialized metabolites in the Austroeupatorium genus, known for diverse biological activities. This study employed molecular networking to facilitate the identification of labdanes in Austroeupatorium laetevirens, alongside isolation, structural elucidation, and evaluation of anti‐Mycobacterium ...
Francielli A. P. Valeze   +13 more
wiley   +1 more source

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