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

DJ Tognarelli

Simultaneous Quantitation of Olmesartanmedoxomil, Amlodipine besylate andHydrochlorothiazide in Pharmaceuticaldosage 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,… Continue reading Simultaneous Quantitation of Olmesartanmedoxomil, Amlodipine besylate andHydrochlorothiazide in Pharmaceuticaldosage form by using HPLC

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… Continue reading 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

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

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

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

DJ Tognarelli

Chemiluminescence analysis of enrofloxacin in surface water using the tris(1,10-phenantroline)–ruthenium(II)/peroxydisulphate system and extraction with molecularly imprinted polymers

2013 / Microchemical Journal

This paper reports a sensitive, highly selective flow injection (FI) method for the chemiluminescence-based determination of enrofloxacin (ENRO), a fluoroquinolone… Continue reading Chemiluminescence analysis of enrofloxacin in surface water using the
tris(1,10-phenantroline)–ruthenium(II)/peroxydisulphate system and
extraction with molecularly imprinted polymers

DJ Tognarelli