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List of works by Tarek S. Belal

A Comparative Study of Newly Developed HPLC-DAD and UHPLC-UV Assays for the Determination of Posaconazole in Bulk Powder and Suspension Dosage Form

scientific article

A simple and sensitive spectrofluorimetric method for analysis of some nitrofuran drugs in pharmaceutical preparations

scientific article

A validated HPLC method for the simultaneous determination of naftidrofuryl oxalate and its degradation product (metabolite), naftidrofuryl acid: applications to pharmaceutical tablets and biological samples

scientific article published on 28 February 2012

Adsorptive stripping voltammetric behaviour of azomethine group in pyrimidine-containing drugs

scientific article

Application of HPTLC, spectrofluorimetry and differential pulse voltammetry for determination of the antifungal drug posaconazole in suspension dosage form

scientific article published on 25 May 2019

Comparison of GC-MS and GC-IRD methods for the differentiation of methamphetamine and regioisomeric substances

scientific article published on 30 January 2009

Comprehensive stability-indicating high-performance liquid chromatography coupled with diode array detection method for simultaneous determination of amprolium hydrochloride and ethopabate in powder dosage form for veterinary use

scientific article published on 30 September 2019

Development and validation of HPLC-DAD method for the simultaneous determination of amoxicillin, metronidazole and rabeprazole sodium. Application to spiked simulated intestinal fluid samples

scientific article published on 26 May 2015

Development and validation of a versatile HPLC-DAD method for simultaneous determination of the antiviral drugs daclatasvir, ledipasvir, sofosbuvir and ribavirin in presence of seven potential impurities. Application to assay of dosage forms and dis

scientific article published on 01 April 2019

Differential pulse cathodic voltammetric determination of floctafenine and metopimazine

scientific article published on 11 December 2006

EXPRESS: Gas Chromatography-Mass Spectrometry (GC-MS) and Gas Chromatography-Infrared (GC-IR) Analyses of the Chloro-1-n-pentyl-3-(1-naphthoyl)-Indoles: Regioisomeric Cannabinoids

scientific article published on 16 November 2018

GC and mass spectral studies on acylated side chain regioisomers of 3-methoxy-4-methyl-phenethylamine and 4-methoxy-3-methyl-phenethylamine.

scientific article published in April 2009

GC-IRD methods for the identification of isomeric ethoxyphenethylamines and methoxymethcathinones

scientific article published on 15 January 2009

GC-IRD studies on regioisomeric ring substituted methoxy methyl phenylacetones related to 3,4-methylenedioxyphenylacetone

scientific article published on 13 November 2009

GC-MS analysis of the regioisomeric methoxy- and methyl-benzoyl-1-pentylindoles: Isomeric synthetic cannabinoids

scientific article published on 18 March 2015

GC-MS and GC-IR Analyses of the Methoxy-1-n-pentyl-3-(1-naphthoyl)-indoles: Regioisomeric Designer Cannabinoids

scientific article published on 01 October 2018

GC-MS evaluation of a series of acylated derivatives of 3,4-methylenedioxymethamphetamine.

scientific article published in May 2009

GC-MS studies on acylated derivatives of 3-methoxy-4-methyl- and 4-methoxy-3-methyl-phenethylamines: regioisomers related to 3,4-MDMA.

scientific article published on 19 March 2008

GC-MS studies on side chain regioisomers related to substituted methylenedioxyphenethylamines: MDEA, MDMMA, and MBDB.

scientific article published on October 2010

GC-MS studies on the six naphthoyl-substituted 1-n-pentyl-indoles: JWH-018 and five regioisomeric equivalents

scientific article published on 27 April 2015

Gradient HPLC-DAD determination of two pharmaceutical mixtures containing the antihistaminic drug ebastine

scientific article published on 07 June 2012

Gradient HPLC-DAD stability indicating determination of miconazole nitrate and lidocaine hydrochloride in their combined oral gel dosage form

scientific article

HPLC-DAD Stability Indicating Determination of Nitrofurazone and Lidocaine Hydrochloride in Their Combined Topical Dosage Form ⬇️

scientific article published on September 1, 2010

High Performance Liquid Chromatographic Assay for the Simultaneous Determination of Posaconazole and Vincristine in Rat Plasma.

scientific article published on 22 December 2015

High-performance liquid chromatography with diode array detection method for the simultaneous determination of seven selected phosphodiesterase-5 inhibitors and serotonin reuptake inhibitors used as male sexual enhancers

scientific article published on 11 March 2016

Hyperlipidemia Alters the Pharmacokinetics of Posaconazole and Vincristine Upon Co-Administration in Rats

scientific article

Mass spectral studies on 1-n-pentyl-3-(1-naphthoyl)indole (JWH-018), three deuterium-labeled analogues and the inverse isomer 1-naphthoyl-3-n-pentylindole

scientific article

New simple spectrophotometric method for determination of the binary mixtures (atorvastatin calcium and ezetimibe; candesartan cilexetil and hydrochlorothiazide) in tablets

scientific article published on 31 October 2012

Quick Test for Determination of N-Bombs (Phenethylamine Derivatives, NBOMe) Using High-Performance Liquid Chromatography: A Comparison between Photodiode Array and Amperometric Detection

scientific article published on 29 August 2019

Selective determination of dimenhydrinate in presence of six of its related substances and potential impurities using a direct GC/MS method

scientific article published on 7 February 2015

Sensitive spectrofluorimetric and spectrophotometric methods for the determination of thonzylamine hydrochloride in pharmaceutical preparations based on coupling with dimethylbarbituric acid in presence of dicyclohexylcarbodiimide

scientific article published in March 2000

Simple mix-and-read assays for the determination of baclofen in pharmaceutical formulation

scientific article published on 07 June 2019

Simultaneous spectrofluorimetric determination of amlodipine besylate and valsartan in their combined tablets

scientific article published on October 2010

Spectrofluorimetric determination of 2-aminopyridine as a potential impurity in piroxicam and tenoxicam within the pharmacopoeial limit

scientific article

Stability-indicating determination of trimetazidine dihydrochloride inthe presence of two of its related substances using a direct GC/MS method

scientific article published on 01 November 2014

The effect of hyperlipidemia on the pharmacokinetics, hepatic and pulmonary uptake of posaconazole in rat.

scientific article

The effect of increased lipoproteins levels on the disposition of vincristine in rat

scientific article published on 09 September 2016

Validated HPLC-DAD Method for the Simultaneous Determination of Six Selected Drugs Used in the Treatment of Glaucoma.

scientific article published in September 2017

Validated Spectrophotometric and RP-HPLC-DAD Methods for the Determination of Ursodeoxycholic Acid Based on Derivatization with 2-Nitrophenylhydrazine

scientific article published on 23 December 2016

Validated Stability-Indicating HPLC-DAD Method for the Simultaneous Determination of Diclofenac Sodium and Diflunisal in Their Combined Dosage Form

scientific article published on 17 March 2013

Validated spectrofluorimetric determination of two pharmaceutical antihypertensive mixtures containing amlodipine besylate together with either candesartan cilexetil or telmisartan

scientific article published on 26 February 2014

Validated spectrophotometric and chromatographic methods for analysis of the recently approved hepatitis C antiviral combination ledipasvir and sofosbuvir

scientific article

Validated spectrophotometric and chromatographic methods for simultaneous determination of ketorolac tromethamine and phenylephrine hydrochloride

scientific article published on 16 February 2016

Validated spectrophotometric methods for determination of sodium valproate based on charge transfer complexation reactions

scientific article published on 10 November 2015

Validated stability-indicating HPLC-DAD method for determination of the recently approved hepatitis C antiviral agent daclatasvir.

scientific article published on 7 February 2017

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