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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…
Kishore Kumar Hotha, Swapan Roychowdhury, Veerappan Subramanian
Reactions between active drug substances and excipients are of interest in the drug formulation process should be checked for the interactions during the storage conditions. Some excipients react with certain chemical groups in drug substances which will form…
Melih Onay, Cagla Sonmez, Huseyin A. Oktem, Meral Yucel
In recent years, photosynthetic microalgae regained attention for biodiesel production. For efficient utilization of microalgae, a number of criteria including a strain with high biomass and lipid productivities and employment of effective and reliable method…
Kishore Kumar Hotha, Swapan Roychowdhury, Veerappan Subramanian
The objective of the current research article is to provide a comprehensive review of excipients impact on the stability of the drug product and their implications during the product development. Recent developments in the understanding of the degradation pat…
Clémence Eboga Tanke, Bridget N. Ndosiri, Yves A. Mbiangué, Gouet Bebga, Justin Nenwa
A novel mixed barium(II)/silver(I)/chromium(III) oxalate salt, Ba 0.5 Ag 2 [Cr(C 2 O 4 ) 3 ]·5H 2 O (1), with open architecture has been synthesized in water and characterized by elemental analysis, vibrational and electronic spectra, and single crystal X-ray…
Peipei Zhang, Tingting Liu, Xuejiao Xu, Shuyu Liu, Dongying Chen
Two simple and rapid analytical methods (DSC and 1 H-NMR), are proposed for determination of meclofenoxate in meclofenoxate hydrochloride for injection. DSC thermogram is recorded without any sample pretreatment. The response linearity is ensured by linear de…
Bertyl Andri, Amandine Dispas, Roland Djang’eing’a Marini, Philippe Hubert
In recent times, the overall interest over Supercritical Fluid Chromatography (SFC) is truly growing within various domains but especially for pharmaceutical analysis. However, in the best of our knowledge modern SFC is not yet applied for drug quality contro…
Yuanyuan Li, Gaili Sun, Yiming Mi
The structures and properties of Y-substituted Mg 2 Ni alloys and the corresponding hydrides are investigated by a first-principles plane-wave pseudopotential method within density functional theory. Results show that Mg 2 Ni has the best structural stability…
Wawohinlin Patrice Ouattara, Kafoumba Bamba, Nahossé Ziao, Kouakou Nobel N’guessan
The heterogenized δ -RuCl 2 (Nazpy) 2 deposited on carbon toray (CT) was studied for the first time as electrochemical catalyst. Before, it was characterized by visible-ultraviolet spectra and theoretically by TDDFT method at B3LYP/Lanl2DZ level. It displayed…
Qiuxia Wang, Kris A. Berglund, 1 1, 1 1
Fluorescence quenching of pyranine by tryptophan, phenylalanine, and nicotinic acid was investigated by using steady state and time resolved fluorescence spectroscopy. On a comparative basis, nicotinic acid is a very strong quencher of pyranine fluorescence,…
Gaili Sun, Yuanyuan Li, Xinxin Zhao, Yiming Mi, Lili Wang
First-principles calculations were used to study the energetics and electronic structures of Ni and Sc co-doped MgH 2 system. The preferential positions for dopants were determined by the minimal total electronic energy. The results of formation enthalpy indi…
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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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