International Journal of

Pharmaceutical Quality Assurance

ISSN: 0975 9506
Peer Review Journal

doi prefix: 10.25258/ijpqa

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1. Validation of Stability Indicating HPLC Method in the Application of Comparative Pharmacokinetic Studies of Atorvastatin in Different Pharmaceutical Formulations (bulk drug, tablet, and nanoemulsion).
Gulam Mustafa, Mohd. Aamir Mirza, Zeenat Iqbal, Sushama Talegaonkar
A simple, highly sensitive, isocratic stability indicating reversed phase-high performance liquid chromatography (RP-HPLC) method with UV detection at 247 nm was developed and validated for analysis of Atorvastatin (AT). Diclofenac was used as an internal standard (IS). Retention times of the AT and diclofenac (IS) were found to be 4.2 and 8.2 min, respectively. A mobile phase consisting of 0.05 M sodium phosphate buffer and methanol (30:70 v/v) pH 4.1 at flow rate 1ml/min was employed in this study. The calibration curves were linear with regression coefficient (r2 detection (LOD) and the limits of quantitation (LOQ) were found out to be 5.0 and 15 ng/ml, respectively. The method was statistically validated in accordance with International Conference on Harmonization (ICH) guidelines. The proposed method is sensitive, specific and was successfully applied for the estimation of atorvastatin in pharmaceutical formulations (bulk drug, tablet, nanoemulsion) and in rat serum pharmacokinetic studies.

2. Ground Water Quality of Piro and Jagdishpur Blocks of Bhojpur District: A Middle Gangatic Plain
Md. Shahnawaz, K.M. Singh.
This communication presents an analysis of physico-chemical characteristics of groundwater quality of Piro and Jagdishpur blocks of Bhojpur District of Bihar. Total 40 numbers of groundwater samples were collected from different locations of these blocks and analysed for the parameters pH, electrical conductivity (EC), total dissolved solid(TDS), total hardness(TH),  Calcium(Ca2+), magnesium(Mg2+),fluoride(F-), iron(Fe), sulphate(SO42-)and arsenic (As). Water samples were collected from shallow hand pumps, deep hand pumps and public water supply.

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