Determination of losartan potassium in the presence of hydrochlorothiazide via a combination of magnetic solid phase extraction and fluorometry techniques in urine samples

Farnoudian-Habibi, Amir; Kangari, Sahar; Massoumi, Bakhshali; Jaymand, Mehdi

doi:10.1039/c5ra20117a

Cited by 23 publications

(12 citation statements)

References 40 publications

(31 reference statements)

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“…Developing an appropriate isotherm model for adsorption is essential to the design and optimization of adsorption process. Several isotherm models such as Langmuir, Freundlich, RedlichPeterson, Dubinin-Radushkevich, Sips, and Temkin have been developed for evaluating the equilibrium adsorption of compounds from solutions [31]. In this respect, the Freundlich equations is one of the most commonly used models, and the experimental results of this study were fitted with this model.…”

Section: Equilibrium Studiesmentioning

confidence: 99%

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A novel strategy for spectrophotometric simultaneous determination of amitriptyline and nortriptyline based on derivation with a quinonoid compound in serum samples

Farnoudian-Habibi

Massoumi

Jaymand

2016

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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Section: Equilibrium Studiesmentioning

confidence: 99%

“…The imidazolium ionic liquid (Imz)-modified Fe 3 O 4 @SiO 2 nanoparticles (Fe 3 O 4 @SiO 2 -Imz) as adsorbent was synthesized in our laboratory as illustrated in Scheme 3 [31].…”

Section: Synthesis Of Adsorbentmentioning

confidence: 99%

A novel strategy for spectrophotometric simultaneous determination of amitriptyline and nortriptyline based on derivation with a quinonoid compound in serum samples

Farnoudian-Habibi

Massoumi

Jaymand

2016

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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“…The resultant mixture was kept at 80°C for 1 h under strong stirring, and then cooled to 25°C. The black powder was collected by an external magnetic field, washed with 50% aqueous ethanol for several times, and afterwards dried in room temperature .…”

Section: Methodsmentioning

confidence: 99%

Preparation of magnetic molecularly imprinted polymer for dispersive solid‐phase extraction of valsartan and its determination by high‐performance liquid chromatography: Box‐Behnken design

Kaabipour¹,

Khodadoust²,

Zeraatpisheh³

2019

J of Separation Science

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In this work, core/shell magnetic molecularly imprinted polymer nanoparticles were synthesized for extraction and pre‐concentration of valsartan from different samples and then it was measured with high‐performance liquid chromatography. For preparation of molecularly imprinted polymer nanoparticles, Fe3O4 nanoparticles were coated with tetraethyl orthosilicate and then functionalized with 3‐(trimethoxysilyl) propyl methacrylate. In the next step, molecularly imprinted polymer nanoparticles were synthesized under reflux and distillation conditions via polymerization of methacrylic acid, valsartan (as a template), azobisisobutyronitrile and ethylene glycol dimethacrylate as cross linking. The properties of molecularly imprinted polymer nanoparticle were investigated by FTIR spectroscopy, field emission scanning electron microscopy, and X‐ray diffraction. Box‐Behnken design with the aid of desirability function was used for optimizing the effect of variables such as the amounts of molecularly imprinted polymer nanoparticles, time of sonication, pH, and volume of methanol on the extraction percentage of valsartan. According to the obtained results, the affecting variables extraction condition were set as 10 mg of adsorbent, 16 min for sonication, pH = 5.5 and 0.6 mL methanol. The obtained linear response (r2 > 0.995) was in the range of 0.005–10 µg/mL with detection limit 0.0012 µg/mLand extraction recovery was in the range of 92–95% with standard deviation less than 6% (n = 3).

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“…The MNPs were synthesized by coprecipitation method as described in our previous work . For this purpose, a 500 mL three‐neck round‐bottom flask was equipped with a condenser, gas inlet/outlet, and a magnetic stirrer, was charged with 150 mL of distilled water.…”

Section: Methodsmentioning

confidence: 99%

“…It is an unquestionable fact that the MNPs have attracted great deal of research efforts over the past decade in technological as well as biomedical applications. These NPs have been extensively employed as magnetic storage media, ferrofluids, in analytical and bioanalytical fields, heterogeneous catalysis as well as biomedical fields including magnetic resonance imaging tools, medical diagnoses, and drug and gene delivery …”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of a novel stimuli‐responsive magnetite nanohydrogel based on poly(ethylene glycol) and poly(N‐isopropylacrylamide) as drug carrier

Mozaffari

Hatamzadeh

Massoumi

et al. 2018

J of Applied Polymer Sci

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A novel stimuli‐responsive magnetite nanohydrogel (MNHG), namely [poly(ethylene glycol)‐block‐poly(N‐isopropylacrylamide‐co‐maleic anhydride)2]‐graft‐poly(ethylene glycol)/Fe3O4 [PEG‐b‐(PNIPAAm‐co‐PMA)2]‐g‐PEG/Fe3O4, was successfully developed. For this purpose, NIPAAm and MA monomers were block copolymerized onto PEG‐based macroinitiator through atom transfer radical polymerization technique to produce PEG‐b‐(PNIPAAm‐co‐PMA)2. The synthesized Y‐shaped terpolymer was crosslinked through the esterification of maleic anhydride units using PEG chains to afford a hydrogel. Afterward, magnetite nanoparticles were incorporated into the synthesized hydrogel through the physical interactions. The chemical structures of all synthesized samples were characterized using Fourier transform infrared and proton nuclear magnetic resonance spectroscopies. Morphology, thermal stability, size, and magnetic properties of the synthesized MNHG were investigated. In addition, the doxorubicin hydrochloride loading and encapsulation efficiencies as well as stimuli‐responsive drug release ability of the synthesized MNHG were also evaluated. The drug‐loaded MNHG at physiological condition exhibited negligible drug release values. In contrast, at acidic (pH 5.3) condition and a little bit higher temperature (41 °C) the developed MNHG showed higher drug release values, which qualified it for cancer chemotherapy due to especial physiology of cancerous tissue in comparison with the surrounding normal tissue. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46657.

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Determination of losartan potassium in the presence of hydrochlorothiazide via a combination of magnetic solid phase extraction and fluorometry techniques in urine samples

Abstract: A sensitive and highly efficient method for the determination of losartan potassium (LOS) in the presence of hydrochlorothiazide (HCTZ) via a combination of magnetic solid phase extraction (MSPE) and fluorometry techniques is suggested.

Cited by 23 publications

References 40 publications

A novel strategy for spectrophotometric simultaneous determination of amitriptyline and nortriptyline based on derivation with a quinonoid compound in serum samples

A novel strategy for spectrophotometric simultaneous determination of amitriptyline and nortriptyline based on derivation with a quinonoid compound in serum samples

Preparation of magnetic molecularly imprinted polymer for dispersive solid‐phase extraction of valsartan and its determination by high‐performance liquid chromatography: Box‐Behnken design

Synthesis and characterization of a novel stimuli‐responsive magnetite nanohydrogel based on poly(ethylene glycol) and poly(N‐isopropylacrylamide) as drug carrier

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