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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub…
Mosammad Shamsun Nahar, Jing Zhang
Recently, there have been many reports of silicon rubber (SR) hoses becoming brittle in juice factory within one month of purchase. The damage is a new phenomenon, and its cause is unknown. We have collected the damaged hoses attached to UHT sterilizer (ultra…
Sarah Catherine Moffatt, Patrick Robert Edwards, András Szeitz, Stelvio Mario Bandiera
In the present study, we developed and validated an analytical method using ultra performance liquid chromatography-mass spectrometry (UPLC/MS) for the quantitative determination of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) metabolism by rat hepatic microso…
Fathy M. M. Salamaa, Mohamed W. I. Nassar, Mohie M. K. Sharaf El-Din, Khalid A. M. Attia, Mohamed Yousri Kaddah
Two new selective, precise, and accurate methods were developed for the determination of fenofibrate in the presence of its basic degradation product. In the first method fenofibrate was determined using an algorithm bivariate calibration derivative method, i…
Mellina Damasceno Rachid Santos, Aline de Paula Vitor, Jailton da Costa Carneiro, Domingos Sávio Campos Paciullo, Renato Camargo Matos, Maria Auxiliadora Costa Matos
A method was developed for the analysis of ester-linked phenolic acids in forage samples using extraction by an ultrasound-assisted treatment and quantification by HPLC with a UV-VIS detector. A reversed-phase C18 column was used for developing the method and…
Daisuke Saigusa, Mai Takahashi, Yoshitomi Kanemitsu, Ayako Ishida, Takaaki Abe, Tohru Yamakuni, Naoto Suzuki, Yoshihisa Tomioka
Herein, we present a novel method of asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA) determination within biological samples using protein precipitation and LC/MS/MS. Chromatographic separation of ADMA and SDMA was successfully perfor…
Varada Vishnuvardhan, Yakkala Kalyan, Krishnapillai Padmajakumari Prathish, Battala Gangadhar, Yadamari Tharakeswar, Talasila Prasada Rao, Gurijala Ramakrishna Naidu
Biomimetic potentiometric sensor for the determination of diethyl chlorophosphate was developed using im- printed polymer inclusion membrane strategy. Semi-covalent imprinted and non-imprinted polymer particles were synthesized and found that non-imprinted po…
Antony Raj Gomes, Pannala Raghuram, J. Sriramulu, Nimmakalaya Srinivas
This research article describes stability indicating fast liquid chromatographic method for determination of chromatographic purity and assay of Nizatidine as a alternate for two different methods for chromatographic purity and assay as given in USP Monograph…
Pavel Straka, Petr Buryan
Gas chromatographic measurements of the relative retention times of alkyl-substituted arenes and phenols on capillary columns at temperatures of 125 – 140°C have shown that logarithms of retention times increase bilinearly with the number of carbon atoms in t…
Susheela Rani, Ashwini Kumar, Ashok Kumar Malik, P. Schmitt-Kopplin
This study presents a fast, accurate and sensitive technique using gas chromatography-mass spectrometry (GC-MS) for the identification and quantification of <i>N</i>-acyl homoserine lactones (AHLs) in the extracts of bacterial strain of <i>Pseudomonas aerugin…
Leila Farzin, Mohammad Reza Milani Hosseini
The electroanalysis of dopamine (DA) and ascorbic acid (AA) by square wave voltammetry has been performed at a modified carbon paste electrode with macrocyclic ligand 1, 4, 8, 11-tetraazacyclotetradecane (cyclam) and monolayer of Ni (II) cyclam. In pH 7.2 buf…
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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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