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BioMed Research International
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2014
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Article
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Tab 5
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Research Article
Development of New Method for Simultaneous Analysis of Piracetam and Levetiracetam in Pharmaceuticals and Biological Fluids: Application in Stability Studies
Table 5
Recovery from serum and urine samples.
Conc. (ng/mL)
Serum
Urine
Piracetam
Levetiracetam
Piracetam
Levetiracetam
%Recovery
%Recovery
%Recovery
%Recovery
20
97.6
96.8
98.74
97.59
50
97.9
97.4
99.26
98.37
100
99.2
98.8
98.05
98.14
1000
99.3
98.6
100.14
99.18
5000
97.4
96.9
99.93
97.33
10000
99.74
99.84
99.77
99.27