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Determinação de resíduos de anabolizantes em músculo, pelo e soro bovino por LC-MS/MS: desenvolvimento analítico e estudos in vivo
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE QUÍMICAPrograma de Pós-Graduação em QuímicaUFMG, 2020-02-28)
This work involved the optimization and validation of three multi-residue methods for the analysis of anabolic substances in muscle, hair and bovine serum by LC-MS/MS. The last two matrices were also evaluated by an animal ...
Reprint of “Genotoxic permanent hair dye precursors p-aminophenol and p-toluenediamine electrochemical oxidation mechanisms and evaluation in biological fluids”
(2020-01-01)
The p-toluenediamine (PTD) and p-aminophenol (PAP), genotoxic precursor agents widely used in permanent hair dyeing formulations, electrochemical mechanisms and evaluation in biological fluids, at a glassy carbon electrode, ...
Genotoxic permanent hair dye precursors p-aminophenol and p-toluenediamine electrochemical oxidation mechanisms and evaluation in biological fluids
(2020-01-15)
The p-toluenediamine (PTD) and p-aminophenol (PAP), genotoxic precursor agents widely used in permanent hair dyeing formulations, electrochemical mechanisms and evaluation in biological fluids, at a glassy carbon electrode, ...
Ultra sensitive microfluidic immunosensor for determination of clenbuterol in bovine hair samples using electrodeposited gold nanoparticles and magnetic micro particles as bio-affinity platform
(Elsevier, 2013-03-15)
In this article, we report the first integrated microfluidic immunosensor coupled to a screen-printed carbon electrode (SPCE) applied to determination of clenbuterol (CLB) in bovine hair samples. CLB is a member of the ...
Unhairing of bovine skin with fungal enzymes by immersion and spread throughout the epidermis
(Society of Leather Technologists and Chemists, 2019-02)
The use of enzymes during unhairing in the leather industry to partially reduce sulfide can decrease H2S emission to almost 50%. However the proteolysis needs to be controlled to prevent collagen damage. In bovine epidermis, ...
Enzymatic unhairing: Permeability assay of bovine skin epidermis with fungal enzyme extracts
(Asociación Química Española de la Industria del Cuero, 2019-07)
The aim of enzymatic unhairing is to allow the separation of the outer sheath of hair root from the dermal connective tissue. This is considered an ecofriendly process. It?s not expensive since if the enzymes are applied ...
Short communication: Administering an appeasing substance to Bos indicus-influenced beef cattle at weaning and feedlot entry
(2019-01-01)
The bovine appeasing substance (BAS) is expected to have calming effects in cattle experiencing stressful situations. Therefore, this study investigated the impacts of BAS administration during two of the most stressful ...
Avaliação da resposta de bovinos Nelore e cruzados, Senepol x Nelore e Angus X Nelore, infestados com carrapato Rhipicephalus (Boophilus) microplus
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Genética Evolutiva e Biologia Molecular - PPGGEv, 2012-06-04)
Infestations caused by ectoparasites are among the main problems that affect stock raising in tropical countries, and in Brazil, the Rhipicephalus (Boophilus) tick is responsible for substantial losses in the animal ...