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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…
Carmen S. H. Domínguez, Pedro Hernández
A square wave voltammetry (DPV) method for trans -Pt[Cl 2 (Dimethylamine)(isopropylamine)] determination is developed. To this end, all the chemical and instrumental variables affecting the determination of trans -Pt[Cl 2 (Dimethylamine) (isopropylamine)] are…
I. Marzouk, L. Dammak, L. Chaabane, B. Hamrouni
The removal of chromium (VI) from aqueous solutions by Donnan dialysis has been investigated in this paper. In this process, two anion-exchange membranes (AEMs) were used: Selemion ? AMV and Neosepta ? AFN. The amount of chromium (VI) removed was determined i…
Hirokazu Yokoyama, Yukishige Okamura, Toshifumi Hibi
By combining native polyacrylamide gel electrophoresis (PAGE) and nicotinamide adenine dinucleotide phosphate (NADPH)-diaphorase staining, a simple method for detecting NADPH-cytochrome P450 reductase in tissue samples was established. When rat liver microsom…
Solange Carvalho da Silva, Célio Wisniewski, Pedro Orival Luccas, Cristiana Schmidt de Magalhães
For building a biosensor, at least two enzyme sources can be employed. The pure enzyme has features with better selec tivity and low stability. Crude extract presents better stability and wrong selectivity. Thus, one intermediate condition can be feasible joi…
K. Tirumala Rao, L. Vaikunta Rao
A simple, rapid, precise, accurate, rugged and robust stability-indicating ultra-fast high performance liquid chroma tographic (UHPLC) method has been developed for the estimation of related compounds (imp-A, imp-B, imp-C, imp-D and imp-E) in Naproxen and als…
Motoh Mutsuga, Miku Yamaguchi, Yoko Kawamura
A testing method for N -nitrosamines and N- nitrosatable substances in rubber teats and soothers was modified. N -Ni trosamines are generally analyzed using either a nitrogen chemiluminescence detector (NCD) or a thermal energy ana lyzer (TEA). However, becau…
Armando Guerrero, Francisco Anguebes, Mepivoseth Castelán, Victorino Morales, Ismael León, José C. Zavala, Atl V. Córdova
In this work, we developed an analytical method based on UV-visible spectroscopy to determine the concentration of biodiesel from African palm in blends of petrodiesel. Seventy-five samples with biodiesel concentrations between 0-100 wt% were prepared. The sp…
Majid Soleimani, Lope Tabil
Bio-based media, derived from cellulosic biomass depolymerisation or bioconversion processes, are composed of sev eral chemicals and biochemicals. In this study, the main components of a hemicellulosic-based medium were analyzed using a dual detection HPLC me…
Sayed Sayed Badawy, Sherif Abo El Seoud El Said
Promethazine modified carbon paste ion selective electrode has been prepared, based on the ion pair of promethazine hydrochloride Pm.Cl with sodium tetraphenyl boron(III) Pm-TPB dissolved in dioctyl phthalate DOP as a pasting liquid. The electrode showed the…
Farya Zafar, Muhammad Harris Shoaib, Asia Naz, Rabia Ismail Yousuf, Huma Ali
For in vivo pharmacokinetic studies, it is pre-requisite to quantify drug concentrations in plasma. In the present study a RP-HPLC procedure was developed and validated for the assessment of ketoprofen in human plasma. For this purpose mobile phase consist in…
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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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