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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…
Sabrina de Bona Sartor, Marla Sganzerla, José Teixeira Filho, Helena Teixeira Godoy
A method for optimization of extraction of volatile compounds in Chardonnay wine was developed using headspace-solid phase microextraction (HS-SPME) and gas chromatography coupled with triple quadrupole tandem mass spectrometry (GC-MS/MS). Optimization of the…
Feixue Li, Xuan Chen, Yanli Xu, Xiaohong Bai
Hollow fibre cell fishing with HPLC (HFCF-HPLC) based on the human ovarian cancer cell line SKOV-3, human renal tubular cell line ACHN or hepatoma cell line HepG-2 was employed to screen active groups of coumarin and volatile oil in Radix angelicae sinensis ,…
Malinidevi Ramanathan, Rajendran Lakshmanan
In this paper, mathematical model of Martens and Hall (Analytical chemistry 66, 2763-2770 (1994)) for an immobilized oxidase enzyme electrode is discussed. The model involves the system of non-linear reaction diffusion equations under the steady state conditi…
Vasudev Pottabathini, Vijayacharan Gugulothu, Muralidharan Kaliyaperumal, Satyanarayana Battu
A Novel stability indicating RP-UPLC chromatographic method was developed for analysis of Nevirapine in pharmaceutical formulations. The developed RP-UPLC method is superior in technology to conventional RP-HPLC with respect to speed, resolution, solvent cons…
Jason Brett Rushing, Uttam K. Saha, Rocky Lemus, Leticia Sonon, Brian S. Baldwin
Southeastern wildrye ( Elymus glabriflorus, Vasey ex L.H. Dewey) is a cool-season, perennial grass native to southeastern United States. Recently, there is a growing interest in its development as a grazing and haying forage crop due to its wide area of adapt…
Nina Molchan, Dmitriy Eliseev, Valery Fertikov
The aim of the work was the assessment of capability for the change control in the structure of a compact material of pelletized heatproof nickel alloy grade EP741NP using the atomic emission method. The proposed method of evaluation is based on the statistic…
Simona Schwarz, Christine Steinbach, Dana Schwarz, Mandy Mende, Regine Boldt
As a consequence of mining, heavy metal ions can be exposed to the environment hence contaminate ground water and surface water amongst others. The natural polymer chitosan was proved to be an excellent adsorber material for the effective removal of iron and…
R. A. Aliyeva, N. S. Huseynova, Ulviya M. Abilova, G. B. İskandarov, F. M. Chiragov
The copolymer of the maleic anhydride-styrene is modified at the presence of 4-amino-2-thiouracil and formaldehyde and the new polymeric sorbate with spatial structure is received. The received sorbate is identified by the IR-spectroscopy method. The complete…
Yusuf Yildiz, Manjista Dasgupta
Carnuba wax consists chiefly of myricyl cerotate (M W 817.4) and small quantities of free cerotic acid (C 26 H 52 O 2 , Mw 396.7) and myricyl alcohol (C 30 H 62 O, mp 90°C). Of the two common extraction solvents, ethyl ether or petroleum ether, Lewkowitsc…
Jane M. Morrell, Heriberto Rodriguez-Martinez
Colloid centrifugation can be used to separate heterogeneous populations of cells particularly semen samples, which typically contain mixtures of spermatozoa at different stage of maturity together with dead and dying spermatozoa and also non-sperm cells. Col…
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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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