Journal of AOAC International

Determination of Phytase Activity in Feed: Interlaboratory Study
pp. 259-267(9)
Authors: Gizzi, Gisele; Thyregod, Peter; von Holst, Christoph; Bertin, Gerard; Vogel, Kurt; Faurschou-Isaksen, Mai; Betz, Roland; Murphy, Richard; Andersen, Betina Brandt

Detection of Actaea racemosa Adulteration by Thin-Layer Chromatography and Combined Thin-Layer Chromatography-Bioluminescence
pp. 268-275(8)
Authors: Verbitski, Sheryl M; Gourdin, Gerald T; Ikenouye, Larissa M; McChesney, James D; Hildreth, Jana

Simultaneous Determination of Phenylephrine Hydrochloride, Guaifenesin, and Chlorpheniramine Maleate in Cough Syrup by Gradient Liquid Chromatography
pp. 276-284(9)
Authors: Amer, Sawsan M; Abbas, Samah S; Shehata, Mostafa A; Ali, Nahed M

Validation of the Normocythemic Mice Bioassay for the Potency Evaluation of Recombinant Human Erythropoietin in Pharmaceutical Formulations
pp. 285-291(7)
Authors: Barth, Thiago; Oliveira, Paulo R; D'Avila, Felipe B; Dalmora, Srgio L

Determination of Nebivolol and Valsartan in a Fixed-Dose Combination by Liquid Chromatography
pp. 292-298(7)
Authors: Doshi, Ashish S; Bhagwan, Sushil S; Mehta, Tushar N; Gupta, Vinod K; Subaaiah, Gunta

Smart Stability-Indicating Spectrophotometric Methods for Determination of Binary Mixtures Without Prior Separation
pp. 299-310(12)
Authors: El-Bardicy, Mohammad G; Lotfy, Hayam M; El-Sayed, Mohammad A; El-Tarras, Mohammad F

Simultaneous Determination of Piracetam and Vincamine by Spectrophotometric and High-Performance Liquid Chromatographic Methods
pp. 311-321(11)
Author: El-Saharty, Yasser Shaker Ibrahim

Stability of Chosen Beta-Adrenolytic Drugs of Different Polarity in Basic Environment
pp. 322-331(10)
Authors: Kwiecie, Anna; Krzek, Jan; Ylewski, Marek

Column High-Performance Liquid Chromatographic Determination of Norfloxacin and Its Main Impurities in Pharmaceuticals
pp. 332-338(7)
Authors: Mielji, Branislava; Popovi, Gordana; Agbaba, Danica; Markovi, Slavko; Simonovska, Breda; Vovk, Irena

Development and Validation of a Visible Absorption Densitometry Method for Quantitation of Conessine in Holarrhena antidysenterica (Kurchi)
pp. 339-343(5)
Authors: Patel, Rakesh K; Prajapati, Arun M

Column Reversed-Phase High-Performance Liquid Chromatographic Method for Simultaneous Determination of Rabeprazole Sodium and Domperidone in Combined Tablet Dosage Form
pp. 344-348(5)
Authors: Sabnis, Shweta Sadanand; Dhavale, Nilesh Dnvandev; Jadhav, Vijay Yeshawantrao; Gandhi, Santosh Vilashchand

Second-Derivative Synchronous Fluorescence Spectroscopy for the Simultaneous Determination of Cinnarizine and Nicergoline in Pharmaceutical Preparations
pp. 349-359(11)
Authors: Walash, Mohamed I; Belal, Fathalla; El-Enany, Nahed; Abdelal, Amina

Comparative Validation Study to Demonstrate the Equivalence of a Minor Modification to AOAC Method 996.09 [Visual Immunoprecipitate (VIP) for E. coli O157:H7] to the Reference Culture Methods
pp. 360-364(5)
Authors: Feldsine, Philip T; Kerr, David E; Shen, George S; Lienau, Andrew H

Comparative Validation Study to Demonstrate the Equivalence of a Minor Modification to AOAC Method 997.03 [Visual Immunoprecipitate (VIP) for Listeria] to the Reference Culture Methods
pp. 365-369(5)
Authors: Feldsine, Philip T; Kerr, David E; Shen, George S; Lienau, Andrew H

Comparative Validation Study to Demonstrate the Equivalence of a Minor Modification to AOAC Method 999.09 [Visual Immunoprecipitate (VIP) for Salmonella] to the Reference Culture Methods
pp. 370-375(6)
Authors: Feldsine, Philip T; Kerr, David E; Shen, George S; Lienau, Andrew H

Detection of Ricin in Food Using Electrochemiluminescence-Based Technology
pp. 376-382(7)
Authors: Garber, Eric A.E; O'Brien, Thomas W

Rapid Method for the Determination of Coumarin, Vanillin, and Ethyl Vanillin in Vanilla Extract by Reversed-Phase Liquid Chromatography with Ultraviolet Detection
pp. 383-386(4)
Authors: Ali, Laila; Perfetti, Gracia; Diachenko, Gregory

Gas Chromatographic Analysis of Capsaicin in Gochujang
pp. 387-391(5)
Authors: Ha, Jaeho; Han, Kyu-Jai; Kim, Ki-Jin; Jeong, Seung-Weon

Instrumental Neutron Activation Analysis of Different Products from the Sugarcane Industry in PakistanPart 1: Essential Elements for Nutritional Adequacy
pp. 392-399(8)
Authors: Waheed, Shahida; Ahmad, Shujaat

Improved Extraction Method for the Determination of Iron, Copper, and Nickel in New Varieties of Sunflower Oil by Atomic Absorption Spectroscopy
pp. 400-407(8)
Authors: Ansari, Rehana; Kazi, Tasneem G; Jamali, Mohammad K; Arain, Mohammad B; Sherazi, Syed T; Jalbani, Nusrat; Afridi, Hassan I

Determination of Melamine in Pet Food by Enzyme Immunoassay, High-Performance Liquid Chromatography with Diode Array Detection, and Ultra-Performance Liquid Chromatography with Tandem Mass Spectrometry
pp. 408-413(6)
Authors: Kim, Byungchul; Perkins, Lewis B; Bushway, Rodney J; Nesbit, Stephanie; Fan, Titan; Sheridan, Robert; Greene, Virginia

Single-Laboratory Validation of a Method for the Determination of Furan in Foods by Using Headspace Gas Chromatography/Mass Spectrometry, Part 2Low-Moisture Snack Foods
pp. 414-421(8)
Authors: Nyman, Patricia J; Morehouse, Kim M; Perfetti, Gracia A; Diachenko, Gregory W; Holcomb, Jim R

A Rapid Multiresidue Method for Determination of Pesticides in Fruits and Vegetables by Using Acetonitrile Extraction/Partitioning and Solid-Phase Extraction Column Cleanup
pp. 422-438(17)
Authors: Schenck, Frank J; Brown, Amy N; Podhorniak, Lynda V; Parker, Alesia; Reliford, Michelle; Wong, Jon W

Determination of 1,4-Dioxane in Household Detergents and Cleaners
pp. 439-444(6)
Authors: Tanabe, Akiko; Kawata, Kuniaki

Estimation of Discrimination Errors in the Technique for Determining the Geographic Origin of Onions by Mineral Composition: Interlaboratory Study
pp. 445-460(16)
Authors: Ariyama, Kaoru; Kadokura, Masashi; Suzuki, Tadanao

Simultaneous Determination of Tetracylines and Quinolones Antibiotics in Egg by Ultra-Performance Liquid ChromatographyElectrospray Tandem Mass Spectrometry
pp. 461-468(8)
Authors: Jia, Xiaofei; Shao, Bing; Wu, Yongning; Yang, Yi; Zhang, Jing

Determination of Albendazole and Its Metabolites in the Muscle Tissue of Hybrid Striped and Largemouth Bass Using Liquid Chromatography with Fluorescence Detection
pp. 469-478(10)
Authors: Rummel, Nathan; Shaikh, Badar