AI Medical Compendium Journal:
Journal of AOAC International

Showing 1 to 10 of 19 articles

Simultaneous determination of five alkaloids in extracted and non-extracted poppy APIs by HPLC.

Journal of AOAC International
BACKGROUND: Poppy Active Pharmaceutical Ingredients (APIs) are mainly used in the production of antitussives, analgesics, and other preparations. The alkaloid components play a major role, but the use of some alkaloids can cause dependence and toxic ...

Application of Chemometric Algorithms in the High-Performance Thin-Layer Chromatography Fingerprint of Traditional Chinese Medicines.

Journal of AOAC International
The use of HPTLC fingerprinting for the analysis of traditional Chinese medicines (TCMs) usually involves several image-processing steps. However, these image-processing steps are time consuming. We describe a new approach that applies artificial n...

Validated Spectrophotometric and RP-HPLC-DAD Methods for the Determination of Ursodeoxycholic Acid Based on Derivatization with 2-Nitrophenylhydrazine.

Journal of AOAC International
This work describes the development, validation, and application of two simple, accurate, and reliable methods for the determination of ursodeoxycholic acid (UDCA) in bulk powder and in pharmaceutical dosage forms. The carboxylic acid group in UDCA w...

Accelerated Solvent Extraction of Insecticides from Rice Hulls, Rice Bran, and Polished Rice Grains.

Journal of AOAC International
Analysis of pesticide residues in irrigated rice grains is important for food security. In this study, we analyzed accelerated solvent extraction (ASE) conditions for the extraction of thiamethoxam and chlorantraniliprole insecticides from rice hulls...

Novel Pure Component Contribution Algorithm (PCCA) and UHPLC Methods for Separation and Quantification of Amlodipine, Valsartan, and Hydrochlorothiazide in Ternary Mixture.

Journal of AOAC International
Two accurate and sensitive methods were developed and validated for the simultaneous determination of amlodipine (AML), valsartan (VAL), and hydrochlorothiazide (HCT) in their ternary mixture. The first method is a novel simple algorithm capable of e...

Simultaneous Determination of Five Active Components in the Chinese Patent Medicine Niuhuang Jiangya Pill by HPLC-MS/MS.

Journal of AOAC International
Niuhuang Jiangya (NHJY) pill is one of the well-known Chinese patent medicines in China used in the treatment of high blood pressure. The primary purpose of this study was to establish and validate a method using HPLC with tandem MS for the quality e...

Validated Chromatographic Methods for the Analysis of Two Binary Mixtures Containing Pyridoxine Hydrochloride.

Journal of AOAC International
Accurate and precise TLC-densitometric and HPLC-diode-array detector (DAD) methods have been developed and validated to resolve two binary mixtures containing pyridoxine hydrochloride (PYH) with either cyclizine hydrochloride (CYH) or meclizine hydro...

Ionic Liquid Dispersive LiquidLiquid Microextraction Method for the Determination of Irinotecan, an Anticancer Drug, in Water and Urine Samples Using UV-Vis Spectrophotometry.

Journal of AOAC International
A new, simple, efficient, and environmentally friendly ionic liquid dispersive liquid–liquid microextractionmethod was developed for the determination of irinotecan, an anticancer drug, in water and urine samples using UV-Vis spectrophotom...

Analytical Stability-Indicating Methods for Alogliptin in Tablets by LC-CAD and LC-UV.

Journal of AOAC International
Stability-indicating LC methods using a UV detector and a charged aerosol detector (CAD) simultaneously were validated for the assessment of alogliptin (ALG) in tablets. The analysis was performed on a C8 column (250 × 4.6 mm, 5 μm) at a flow of 0.8 ...

Simultaneous Enrichment and On-line Detection of Low-Concentration Copper, Cobalt, and Nickel Ions in Water by Near-Infrared Diffuse Reflectance Spectroscopy Combined with Chemometrics.

Journal of AOAC International
Sensitive detection of heavy metal ions in water is of great importance considering the effects that heavy metals have on public health. A developed fluidized bed enrichment technique was used to concentrate and detect low concentrations of Cu2+, Co2...