Analytical Chemistry Letters Volume 6 Issue 6, Page 2

Journal Article

Determination of Nano Amounts of Copper in Environmental, Biological, and Water Samples Via Cloud Point Extraction and Spectrophotometry

Amin, Alaa S.; Kassem, Mohammed A.

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2017.1279568

AbstractA cloud point extraction procedure was presented for the preconcentration and determination of copper(II) ion in various real samples. After complexation by amino-4-(3-nitrophenylazo)pyridine-3-ol, (ANPAP), copper(II) ions was quantitatively recovered in Triton X-114 after centrifugation....

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Journal Article

Optimization of Baicalein and Chrysin Production in Cell Cultures of Oroxylum indicum (L.) Vent.

Gokhale, Mamta; Bansal, Yogendra; Sandhu, Sardaul

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1260494

AbstractA phytochemical screening revealed the presence of phytoconstituents like flavonoid, anthraquinone and phenol in the callus and suspension culture of Oroxylum indicum (L.) Vent. (Bignoniaceae). The quantitative estimation using TLC technique reflected the presence of two flavonoids viz....

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Journal Article

Investigation of the Profile and Kinetics of Degradation of Fenticonazole Nitrate using Stability-indicating HPLC Assay in Presence of Methyl and Propyl Parabens: Application to Preformulation Studies

Noaman, Eman; Al-Ghobashy, Medhat A.; Lotfy, Hayam

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1278179

AbstractFenticonazole (FEN), an imidazole group containing antifungal was subjected to stress conditions; acid and base hydrolysis, photodegradation, thermal decomposition and oxidation. The structure of one major oxidative degradation product was ellucidated using LC-MS/MS.A stability-indicating...

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Journal Article

Comparative Study of Different Spectrophotometric Methods for Determination of Phenazopyridine Hydrochloride in the Presence of its Oxidative Degradation Product

Attia, Khalid A.M.; El-Abasawi, Nasr M.; El-Olemy, Ahmed; Abdelazim, Ahmed H.

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1268542

AbstractFour stability indicating spectrophotometric methods have been developed for selective determination of phenazopyridine hydrochloride (PAP) in the presence of its oxidative degradation product 2,3,6-triaminopyridine (TAP). The described spectrophotometric methods namely; first derivative...

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Journal Article

Spectroscopic Study on the Interaction of Haloperidol and 2,4-Dinitrophenylhydrazine and its Application for the Quantification in Drug Formulations

Rahman, Nafisur; Sameen, Shahroora; Kashif, Mohammad

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1265898

AbstractA simple and sensitive spectrophotometric procedure has been developed for the determination of haloperidol in bulk and its formulation/tablets. Method is based on the interaction of carbonyl group of haloperidol with 2,4-dinitrophenyl hydrazine [DNPH]. The condensation reaction produces...

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Journal Article

Detection of Amino Acids on TLC Plates by a Novel Spray Reagent

Dey, Milan Chandra; Basu, Sarmistha; Sinhababu, Amalendu

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1278181

AbstractDetection of amino acids is utmost important for the evaluation of protein structure and also for the determination of the C-terminal units of degraded proteins. Thin layer chromatography (TLC) is an important tool for the identification of amino acids by various spray reagents. A new...

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Journal Article

Development and Validation of UV-Spectroscopy Based Stability Indicating Method for the Determination of Fluoxetine Hydrochloride

Kumar, Amrish; Jain, Sunil Kumar

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1278180

AbstractA simple and sensitive UV-spectrophotometric method was developed and validated for the determination of hydrochloride salt of fluoxetine in bulk form. The validation of method as a stability indicating method was based on the forced degradation reactions in acidic, basic, oxidative,...

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Journal Article

A Brief News on the AOAC India Annual Conference

2016 Analytical Chemistry Letters

doi:10.1080/22297928.2016.1281607