Table 1 Linearity data of the proposed HPLC method for the determination of AZT, FP and OXY in nasal mucosa.

From: Validated HPLC method for simultaneous determination of azelastine hydrochloride fluticasone propionate and oxymetazoline in nasal mucosa and nasopharyngeal swabs from real human samples

Parameter

AZT

FP

OXY

Concentration range (µg/mL)

8-125

10–100

10–125

Linearity

   

Intercept

+ 231,591

− 12,629

+ 50,350

Slope

12,506

1561.7

7384.5

Correlation coefficient (r)

0.9994

0.9993

0.9994

LLOQ (µg/ml)

8.00

10.00

10.00