Establishment of inherent stability of pramipexole and development of validated stability indicating LC–UV and LC–MS method

2013 / Journal of Pharmaceutical Analysis

Pramipexole belongs to a class of nonergot dopamine agonist recently approved for the treatment of early and advanced Parkinson’s disease. A validated specific stability …

DJ Tognarelli

Development of a simple and stability-indicating RP-HPLC method for determining olanzapine and related impurities generated in the preparative process

2011 / Analyst

A simple and stability-indicating reverse phase high performance liquid chromatographic (RP-HPLC) method was developed and validated for the determination of …

DJ Tognarelli

Extraction and high performance liquid chromatographic determination of 3-indole butyric acid in pea plants by using imidazolium-based ionic liquids as extractant

2008 / Talanta

In this paper, imidazolium-based ionic liquids [C4mim][PF6], [C6mim][PF6], [C8mim][PF6], [C6mim][BF4] and [C8mim][BF4] were tested as extracting solvents for removal of …

DJ Tognarelli

Simultaneous Quantitation of Olmesartan medoxomil, Amlodipine besylate and Hydrochlorothiazide in Pharmaceutical dosage form by using HPLC

2011 / International Journal of PharmTech Research

A simple, fast, and precise reverse phase, isocratic HPLC method was developed for the separation and quantification of olmesartan medoxomil, …

DJ Tognarelli

Development of a high speed counter-current chromatography system with Cu(II)-chiral ionic liquid complexes and hydroxypropyl-β-cyclodextrin as dual chiral selectors for enantioseparation of naringenin

2016 / Journal of Chromatography A

Cu(II) complexed amino acid ionic liquid, Cu(II)-[1-butyl-3-methylimidazolium][L-Pro] (Cu(II)-[BMIm][L-Pro]), was successfully adopted as chiral ligand to improve the enantioseparation efficiency in …

DJ Tognarelli

On-line anion exchange solid-phase extraction coupled to liquid chromatography with fluorescence detection to determine quinolones in water and human urine

2013 / Journal of Chromatography A

An analytical method based on on-line solid-phase extraction coupled to liquid chromatography with fluorescence detection has been developed to determine …

DJ Tognarelli

Determination of the Quaternary Ammonium Compounds Dequalinium and Cetylpyridinium Chlorides in Candy-based Lozenges by High-performance Liquid Chromatography

1997 / Analyst

The retention behaviour of the quaternary ammonium compounds benzalkonium chloride, cetylpyridinium chloride and dequalinium chloride on a 100 × 4.6 …

DJ Tognarelli