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Desenvolvimento de métodos HPLC-UV para formulações farmacêuticas de dose fixa

Desenvolvimento de métodos HPLC-UV para formulações farmacêuticas de dose fixa

Anunny Sharma / Sonia Yadav / Sushma Maratha

73,26 €
IVA incluido
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Farmacología
ISBN:
9786209855672
73,26 €
IVA incluido
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Estimativa do cloridrato de imeglimin no plasma humano por HPLC-UV. A estimativa de fármacos por RP-HPLC (cromatografia de fase reversa) foi escolhida uma vez que é aconselhada para utilização com compostos iónicos e leves a não polares. A cromatografia de fase reversa é simples, específica e superior em termos de eficiência, estabilidade e reprodutibilidade. Para a separação da imeglimin, foi selecionada a coluna C18 250 x 4,6 mm, com partículas de 5 µm. Na fase móvel, foram testadas e combinadas várias soluções de solventes para obter um desempenho ótimo. Cloridrato de imeglimin (4 µg/ml) em tampão, pH 4 para acetonitrilo: água (70:30), uma gama de concentrações (8-40 e 0,5-4 µg/ml) que apresenta um pico excelente e um nível de resolução considerável. Com a fase móvel a correr a 1 ml/min, foram utilizados detectores de arranjo de fotodíodos para detetar ambos os analitos a 215 nm. O método foi validado em diferentes gamas de concentração em plasma humano. A precisão inter e intra-corrida da imeglimin foi inferior a 3,60% e a exatidão foi inferior a 1,869%. A imeglimin no plasma humano foi validada pela linearidade, matriz de recuperação e estabilidade. O tempo de retenção do IMEG é de 4,8 minutos no plasma. O método sugerido denota que é rentável.

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