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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…
Kurunatha Perumal Thevar Preethi, Velmurgan Meena, Rajaram Poovazhaki
A mathematical modelling of diagnostic biosensors system at three basic types of enzyme kinetics is discussed in the presence of diffusion. Enzyme kinetics is adopted to be first order, Michaelis-Menten and ping-pong mechanism. In this paper, approximate anal…
Uttam Saha, Dinku Endale, P. Glynn Tillman, W. Carroll Johnson, Julia Gaskin, Leticia Sonon, Harry Schomberg, Yuangen Yang
Soybean and sunflower are summer annuals that can be grown as an alternative to corn and may be particularly useful in organic production systems for forage in addition to their traditional use as protein and/or oil yielding crops. Rapid and low cost methods…
Arun Bhutnar, Sachin Khapare, Anita Desai, Smitha Dsouza
Budesonide is a corticosteroid used for the treatment of asthma via various matrices and inhalation mechanisms. An unknown peak of Budesonide aqueous formulation has been investigated during stability study wherein the impurity level observed around 0.1% well…
Yosef Alemayehu, Teshome Tolcha, Negussie Megersa
In this study, salting-out assisted liquid-liquid extraction combined with high performance liquid chromatography diode array detector (SALLE-HPLC-DAD) method was developed and validated for simultaneous analysis of carbaryl, atrazine, propazine, chlorothalon…
Krishna Prasad Bastola, Yadhu Nath Guragain, Vamsi Bhadriraju, Praveen Venkata Vadlani
Folin Ciocalteu (F-C) assay is the most widely used and convenient method to determine the total phenolics content in foods, herbs, and other plant extracts. Different phenolics standards such as gallic acid, ferulic acid, chlorogenic acid, catechol, and vani…
I. O. Okerulu, C. T. Onyema, V. I. Onwukeme, C. M. Ezeh
The proximate, elemental and phytochemical compositions of the leaves of Pterocarpus soyauxii ( Oha ) were studied. The results obtained for the proximate composition showed the following: moisture content (17.2%), ash content (5.7%), crude fibre (17.2%), cru…
N. Nassar, A. Kravtsova, M. Frontasyeva, M. M. Sherif
The concentrations of Na, Mg, Al, S, Cl, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, As, Se Br, Rb, Sr, Zr, Mo, Ag, Sb, I, Cs, Ba, La, Sm, Eu, Tb, Yb, Hf, Ta, W, Au, Th and U in 6 types of marine macrophytes (algae and seagrass): Gelidium pusil l um (Stackhouse…
Shashikant B. Landge, Sunil B. Dahale, Sanjay A. Jadhav, Pavankumar V. Solanki, Saroj R. Bembalkar, Vijayavitthal T. Mathad
A new, specific, rapid and stability indicating reversed phase liquid chro-matographic (RP-LC) method for the determination of process related and degradation related impurities of Apremilast has been developed and validated. The degradation study performed i…
Adedotun Adebowale, Tuan Phan
Analysis of Volatile Organic Compounds (VOCs) in crude coconut and petroleum oils from Nigeria is reported. Using head-space gas chromatography with a flame ionization detector and mass spectrometer, 8 VOCs were found in crude coconut oil and 29 VOCs were ide…
Christina Yacoub Ishak, Elfatih A. Hassan, Mohamed Ezeldin
The main objective of this project is quality improvement of Sudanese petrodiesel fuel by the use of furfural. The Gas Chromatography Mass Spectrometry GC/MS technique was performed to analyze organic compounds for marked petrodiesel fuel before and after tre…
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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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