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Resíduos de agrotóxicos em água potável usando SPE e determinação rápida por LC-MS/MS e GC-MS/MS
(Universidade Federal de Santa Maria, 2012-08-31)
The use of pesticides always has been associated with the effective control of pests
or invasive weeds to ensure an increase in the food production. However, the indiscriminate
use of these substances has caused the ...
Determinação multirresíduo de agrotóxicos por GC-MS/MS em plantas medicinais empregadas na produção de fitoterápicos
(Universidade Federal de Santa Maria, 2018-08-06)
The use of exotic and Brazilian plants as a resource for therapeutic purposes in the prevention and treatment of diseases, have been evaluated as to the possibility of extracting plant active compounds, as well as the ...
Determinação de resíduos de agrotóxicos em leite em pó empregando dispersão da matriz em fase sólida, GC-MS/MS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-07-31)
The milk powder is a food of complex composition (protein, fat, carbohydrate, vitamins,
etc.). It plays a fundamental role in child nutrition due to nutritional factors related to
cognitive ability. In recent years, ...
Estudo de método multirresíduo para determinação de agrotóxicos em águas superficiais por SPE e GC-MS/MS
(Universidade Federal de Santa Maria, 2013-07-30)
Modern agriculture started using different techniques and materials in order to
minimize losses in production and meet the growing demand for food, combining
productivity and profitability. However, the indiscriminate ...
Determinação de resíduos de agrotóxicos no leite bovino empregando método QuEChERS modificado e GC-MS/MS
(Universidade Federal de Santa Maria, 2012-03-26)
For providing a balanced composition, among fresh food, the milk is considered one
of the most nutritionally complete, being a product very well accepted in the market
with consumers of all ages. Thus, the analysis of ...
Determinação multirresíduo de agrotóxicos em água empregando microextração líquido-líquido dispersiva (DLLME) e GC-MS/MS
(Universidade Federal de Santa Maria, 2015-06-19)
The use of pesticides is related to effectiveness in pest control, as well as productivity
in food production in agriculture. However, the use of these substances in high
amounts is directly affecting water resources, ...
Agrotóxicos em milho: otimização e validação de método multirresíduo empregando GC-MS/MS
(Universidade Federal de Santa Maria, 2013-02-28)
Due to the complexity of its matrix, more efficient methods have been studied
for the determination of pesticide residues in maize. The use of QuEChERS method
coupled to low temperature clean up technique has showed ...
Desenvolvimento de método para determinação de resíduos de agrotóxicos em azeite de oliva empregando GC-MS/MS
(Universidade Federal de Santa Maria, 2022-03-16)
In Brazil, olive oil is defined as a product obtained from the fruits of the olive tree Oleaeuropaea L. and it is already configured in the international scenario as the second largest importer of olive oil. Olive oil has ...