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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…
Nese Ataci, Ayfer Sarac
Most applications of surfactants depend on formation and characteristics of micelle. In this study we measured critical micelle concentration (CMC) of cationic surfactant N, N’, N’-polyethylene (10)-N tallow-1, 3-di amine propane (PEG-10 tallow) in aqua solut…
Ayfer Sarac, Bahire Filiz Senkal, Murat Yıldırım
In this study, the emulsion homopolymerization system containing vinyl acetate, potassium persulfate, a new cationic polymeric surfactant and water was studied by the applying semi-continuous emulsion polymerization process. The effects of new polymeric emuls…
J. K. Braga, M. B. A. Varesche
Surfactants are the major active ingredients of laundry detergents. Therefore, special attention should be focused on the treatment and disposal of laundry wastewater. The aim of this study was to characterise the wastewater from a commercial laundry over 30…
Fawwaz Jumean, Magdy El-Dakiky, Adnan Manassra, Manal Abdul Kareem, Mohammad Abu Alhaj, Mustafa Khamis
The interaction of the dye acid alizarin violet (AVN) with three transition metals was followed spectrophotometrically in water and in micellar solutions of the cationic cetyltrimethylammonium bromide (CTAB), the anionic sodium dode- cyl sulfate (SDS) and the…
Zhe Lu, Jacob A. Hines, Daniel J. Rozewicz, Michael L. Hines
To accommodate long duration biology research with rodent habitats on the International Space Station while providing a healthy living and working environment for crewmembers, NASA Ames Research Center developed a new exhaust filter for odor control for the A…
Yan Gao, Congying Shao, Wanru Ji, Min Xiao, Fan Yi, Tong Zhou, Yanqin Zi
The binding characteristics of vitamin B 1 (VB 1 ) and vitamin B 9 (VB 9 ) with trypsin were investigated by fluorescence spectrometry and UV/vis spectrophotometry under simulated physiological conditions. With the addition of VB 1 or VB 9 , the intrinsic flu…
Claudio Capparucci, Sara Frattari, Fausto Gironi
In this paper experimental equilibrium data on the system supercritical CO 2 - orange essential oil and the system supercritical CO 2 -linalool are reported at 323.15 K and 343.15 K, for pressures in the ranges of 7.6 - 13.5 MPa. The behavior of the system su…
Satoshi Yamauchi, Sakura Hatakeyam, Yoh Imai, Masayoshi Tonouchi
Lactose powder consisting of α -D-lactose monohydrate and anhydrous β -D-lactose was nondestructively and quantitatively evaluated by transmission-type Terahertz time-domain spectroscopy (THz-TDS). An absorption with peak at 39.7 cm - 1 (1.19 THz) was assigne…
Li Zhang, Mingxing Huang, Cairong Zhou
The thermal stability and decomposition kinetics of p olysuccinimide (PSI) were investigated using analyzer DTG-60 under high purity nitrogen atmosphere at different heating rates (3, 6, 9, 12 K / min). The thermal decomposition mechanism of PSI was determine…
Jamlet Monaselidze, Maya Gorgoshidze, David Khachidze, Maya Kiladze, Vasil Bregadze, Eugene Kiziria, Hakob Margaryan, Nune Hakobyan
It is known that at low concentrations of TMPyP4, this porphyrin predominantly intercalates between GC pairs at GC-rich sites of duplex DNA and G-quadruplexes of various constructions, and stabilizes these structures. However, there are still some arguable su…
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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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