Electropolymerisation of the natural monomer riboflavin and its characterisation

A Radzevič, G Niaura, I Ignatjev, T Rakickas… - Electrochimica …, 2016 - Elsevier
Electropolymerisation of riboflavin (Rf) was performed in different media in order to optimise
the best conditions for the creation of a stable and electroactive polymerised riboflavin (PRf) …

Bioactivities of novel metal complexes involving B vitamins and glycine

AE Fazary, YH Ju, AQ Rajhi, AS Alshihri, MY Alfaifi… - Open …, 2016 - degruyter.com
In this work twelve novel mixed ligand complexes were synthesized. The complexes were
formed between a metal ion (Cu (II), Cd (II), Mn (II), Fe (III), Ni (II), Pb (II)) and vitamins (B 3 …

Environment and solute-solvent interaction effects on photo-physical behaviors of Folic acid and Folinic acid drugs

MK Sadigh, MS Zakerhamidi, SMS Ahmadian… - Journal of Molecular …, 2016 - Elsevier
In this paper, spectral properties of Folic acid and Folinic acid as widely used drugs in the
treatment of some diseases have been studied in various environments with different …

Adsorption of folic acid, riboflavin, and ascorbic acid from aqueous samples by Fe 3 O 4 magnetic nanoparticles using ionic liquid as modifier

S Kamran, M Asadi, G Absalan - Analytical Methods, 2014 - pubs.rsc.org
In this paper, nanoparticles of Fe3O4 as well as its binary mixtures with ionic liquid 1-hexyl-3-
methylimidazolium bromide (IL–Fe3O4) were prepared and used for adsorption of folic acid …

Stability constants and complex formation equilibria between iron, calcium, and zinc metal ions with vitamin B9 and glycine

AE Fazary, AM Ramadan - Complex Metals, 2014 - Taylor & Francis
The complexation equilibria of folic acid (FA) and glycine (Gly) were studied in aqueous
solutions at room temperature (ca. 298.15 K) and in fixed ionic strength (0.15 mol. dm− 3 …

Electrosynthesis and characterisation of poly (folic acid) films

R Celiešiūtė, T Venckus, Š Vaitekonis, R Pauliukaite - Electrochimica Acta, 2014 - Elsevier
Electropolymerisation of folic acid (FA) was performed in different media in order to optimise
the best conditions for the formation of a stable poly (folic acid)(PFA) film. Different …

Spectrophotometric determination of acidity constants of alizarine red S in mixed aqueous− organic solvents

J Ghasemi, S Lotfi, M Safaeian, A Niazi… - Journal of Chemical & …, 2006 - ACS Publications
The effect of different organic− water mixtures on the acidity constants of alizarine red s (9,
10-dihydro-3, 4-dihydroxy-9, 10-dioxo-2-anthracenesulfonic acid) were determined at 25° C …

A simple and efficient ultrasonic-assisted extraction procedure combined with UV-Vis spectrophotometry for the pre-concentration and determination of folic acid …

R Gürkan, N Altunay - Food Additives & Contaminants: Part A, 2016 - Taylor & Francis
ABSTRACT A simple and efficient ultrasonic-assisted extraction (UAE) procedure has been
proposed for the pre-concentration of (2S)-2-[(4-{[(2-amino-4-hydroxypteridin-yl) methyl] …

Hard–soft modeling parallel factor analysis to solve equilibrium processes

SM Sajjadi, H Abdollahi - Journal of Chemometrics, 2011 - Wiley Online Library
PARAFAC model is the most famous model for analyzing three‐way data. However, this
method does not converge to chemically meaningful solutions when applied to three‐way …

Development and analytical validation of the methodology for vitamins in tablets by ultra-performance liquid chromatography

GDC d'Oliveira, AR Chaves… - Journal of …, 2019 - academic.oup.com
In the present study, we developed a reliable and robust chromatographic method for the
quantification of multivitamins in tablet samples by ultra-performance liquid chromatography …