2010
DOI: 10.1590/s0103-50532010000400017
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Determination of metallic contaminants in human recombinant erythropoietin (EPO) formulations by adsorptive cathodic stripping voltammetry and UV photo-decomposition of samples

Abstract: A contaminação de pacientes com insuficiência renal por espécies metálicas pode estar associada a presença destes na medicação empregada durante o tratamento. Dentre os possíveis contaminantes estão metais nefrotóxicos tais como alumínio, cromo e níquel. No presente trabalho, a presença de Al, Cr e Ni como contaminantes em formulações de eritropoetina (EPO) foi investigada através da otimização de métodos analíticos empregando a voltamétria adsortiva de redissolucao catódica (AdCSV) associada a foto-decomposiç… Show more

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“…The measured Al levels confirm that EPO may be a significant source of Al for CKD patients. 7,8 Comparing different lots of the same formulation, it is possible to see that older vials possess higher Al contamination. On the other hand, there is a significant difference among the Al level in liquid and lyophilized forms.…”
Section: Resultsmentioning
confidence: 99%
“…The measured Al levels confirm that EPO may be a significant source of Al for CKD patients. 7,8 Comparing different lots of the same formulation, it is possible to see that older vials possess higher Al contamination. On the other hand, there is a significant difference among the Al level in liquid and lyophilized forms.…”
Section: Resultsmentioning
confidence: 99%