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SPE and large-volume sample stacking in MEKC for determination of doxycycline in biological fluids: Comparison of direct injection to SPE-MEKC
(Wiley-VCH Verlag GMBH, Weinheim, 2008)
A novel and simple method has been developed for the determination of doxycycline (DOX) in biological fluids. The method is based on SPE, large-volume sample stacking (LVSS) and MEKC with UV-DAD detection. Six SPE cartridges ...
Malonic acid concentration as a control parameter in the kinetic analysis of the Belousov-Zhabotinsky reaction under batch conditions
(Royal Soc Chemistry, Cambridge, 2008)
The influence of the initial malonic acid concentration [MA](0) (8.00 x 10(-3) lt = [MA](0) lt = 4.30 x 10(-2) mol dm(-3)) in the presence of bromate (6.20 x 10(-2) mol dm(-3)), bromide (1.50 x 10(-5) mol dm(-3)), sulfuric ...
Dynamics of noisy FitzHugh-Nagumo neurons with delayed coupling
(Pergamon-Elsevier Science Ltd, Oxford, 2009)
Results of an extensive numerical Study of the influence of additive white noise oil the dynamics of a pair of delayed Coupled FitzHugh-Nagumo neurons Lire presented. An intuitively clear simple method is utilized to predict ...
Polyphenol contents and antioxidant activity of soybean seed extracts
(Elsevier Sci Ltd, Oxford, 2008)
The antioxidant activity and contents of various polyphenol classes in the seeds of 20 soybean hybrids were evaluated. Total polyphenols, tannins and proanthocyanidins were determined after extraction of plant material ...
Justification of Biowaiver for Carbamazepine, a Low Soluble High Permeable Compound, in Solid Dosage Forms Based on IVIVC and Gastrointestinal Simulation
(Amer Chemical Soc, Washington, 2009)
The aim of the present study was to use gastrointestinal simulation technology and in vitro-in vivo correlation (IVIVC) as tools to investigate a possible extension of biowaiver criteria to BCS class II drugs using ...
Validation of a high-performance liquid chromatographic method for the simultaneous determination of tramadol and its impurities in oral drops as a pharmaceutical formulation
(Elsevier Science BV, Amsterdam, 2006)
The novel, rapid high performance liquid chromatographic method for the determination of tramadol hydrochloride and its three impurities was developed and validated. The method can simultaneously assay potassium sorbate, ...
Exact synchronization of noisy bursting neurons with coupling delays
(Pergamon-Elsevier Science Ltd, Oxford, 2009)
Exact synchronization of a pair of stochastically perturbed Hindmarsh-Rose bursting neurons with delayed electrical coupling is studied. Possibility of stochastically stable exact synchronization with sufficiently strong ...
WHO Technical Report Series: Evaluation of certain food additives
(World Health Organization, 2005)
Evaluation of certain food additives
(World Health Organization, 2005)
Investigation of chromatographic conditions for the separation of ofloxacin and its degradation products
(Elsevier Science BV, Amsterdam, 2006)
A sensitive, precise, and accurate reversed-phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for simultaneous determination of fluoroquinolone antibacterial ofloxacin and its ...