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Table 5 Stability results of the studied drugs in spiked human plasma at different conditions using the proposed HPTLC method

From: A newly developed high-performance thin layer chromatographic method for determination of remdesivir, favipiravir and dexamethasone, in spiked human plasma: comparison with the published methods

The analyte

Recovery %a

Concentration

(µg/band)

Bench top stability

Three freeze thaw cyclesb

REM

0.4

97.31

95.76

1

100.18

99.24

4

98.39

97.72

Mean ± RSD

98.63 ± 1.57

97.57 ± 1.78

DEX

0.4

98.24

97.94

1

98.60

98.49

4

99.79

99.06

Mean ± RSD

98.88 ± 1.07

98.49 ± 0.57

FVP

0.8

99.51

97.77

3

98.91

97.13

10

100.08

98.62

Mean ± RSD

99.19 ± 1.14

97.84 ± 0

  1. aAverage of 3 determinations
  2. bFreezing was done at − 20 ºC