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الابحاث العلمية

1 - Advanced eco-friendly spectrophotometric analysis for Nebivolol, Valsartan, and related impurity with comprehensive environmental impact assessment (2025).

2 - "فحوصات كروماتوجرافية على بعض الادوية الهامة المفردة او الموجودة مع أدوية أخرى "Chromatographic examinations of some important drugs either individually or in multicomponent mixtures (2024).

3 - استحداث طرق تحليل آلى لتقديربعض الأدويه المخفضه لكل من ضغط الدم، السكر و الدهون أو بعض منها "New instrumental methods for determination of some hypotensive, hypoglycemic and/or hypolipidemic drugs." (2024).

4 - Green micelle and complex inclusion enhance synchronous spectrofluorimetric quantification of a novel analgesic combination: Tramadol and celecoxib in tablet dosage form and spiked human plasma (2023).

5 - Exciting Advances in Sustainable Spectrophotometric Micro-Quantitation of an Innovative Painkiller “Tramadol and Celecoxib” Mixture in the Presence of a Toxic Impurity, Promoting Greenness and Whiteness Studies (2023).

6 - Stability-indicating HPLC-DAD and TLC-densitometry methods for the quantification of bupivacaine and meloxicam in their co-formulated mixture (2023).

7 - HPLC-DAD technique for the quantification of a recently approved anti-diabetic triple combination along with two toxic official impurities: Toxicity confirmation aided by molecular docking application (2023).

8 - Manipulation and Processing of Spectral Signals for the Assay of the Newly Authorized Mixture of Bupivacaine/ Meloxicam Using Fully Green Solvents and a Comparative Green Evaluation Supporting the Greenness and Sustainability of the Developed Smart Spectrophotometric Methods (2023).

9 - Quality by Design Strategy for Simultaneous HPLC Determination of Bromhexine HCl and Its Metabolite Ambroxol HCl in Dosage Forms and Plasma (2020).

10 - Quality by design approach for development and validation of a RP-HPLC method for simultaneous determination of co-administered levetiracetam and pyridoxine HCl in prepared tablets (2018).

11 - Performance comparison between monolithic, core-shell and totally porous particulate columns for application in greener and faster chromatography (2018).

12 - Eco-friendly environmental trace analysis of thorium using a new supramolecular solvent-based liquid-liquid microextraction combined with spectrophotometry (2018).

13 - Comparison between core-shell and totally porous particle stationary phases for fast and green LC determination of five hepatitis-C antiviral drugs (2018).

14 - -" Performance comparison between monolithic, core-shell and totally porous particulate columns for application in greener and faster chromatography" Adel Ehab Ibrahim, Hisham Hashem, Magda Elhenawee, Hanaa Saleh, accepted for publication in AOAC , Vol. 101, No. 6, (2018) 1985-1992. (2018).

15 - A rapid stability indicating LC-method for determination of praziquantel in presence of its pharmacopoeial impurities (2017).

16 - Chromatographic Application on a Calixarene Stationary Phase: A Novel HPLC Determination of Flumethasone Pivalate and Salicylic Acid in Their Binary Mixture and Ointment Dosage Form after Two Steps Extraction (2016).

17 - Simultaneous determination of the antihypertensives hydrochlorothiazide, losartan potassium, irbesartan and valsartan in bulk powders and pharmaceutical preparations by high performance liquid chromatography (2016).

18 - A fast stability-indicating HPLC method for determination of sotalol hydrochloride in bulk powder and in dosage form (2016).

19 - Simultaneous determination of the antihypertensives hydrochlorothiazide, losartan potassium, irbesartan and valsartan in bulk powders and pharmaceutical preparations by high performance liquid chromatography (2016).

20 - "Development and Validation of a Rapid Stability-Indicating HPLC Method for Determination of Carbamazepine in Pure and Dosage Forms. (2016).

21 - Chromatographic analysis of some drugs employed in erectile dysfunction therapy: Qualitative and quantitative studies using calixarene stationary phase (2014).

22 - Development and validation of a rapid stability indicating HPLC-method using monolithic stationary phase and two spectrophotometric methods for determination of antihistaminic acrivastine in capsules (2014).

23 - Comparison between Calixarene and Conventional HPLC-Stationary Phases concerning with Separation of Antihypertensive Drugs" (2014).

24 - High performance liquid chromatographic and spectrophotometric determinations of Pioglitazone-HCl either alone or in combination with Metformin-HCl (2013).

25 - Development and validation of rapid stability indicating HPLC-determinations of antiepileptic drugs Phenobarbital in suppositories and Phenytoin in capsules as well as in urine sample" (2013).

26 - Simultaneous HPLC-Determination of Nortriptyline and Fluphenazine in One Minute Using Monolithic Stationary Phase (2013).

27 - Development and validation of a rapid stability indicating chromatographic determination of Cefdinir in bulk powder and dosage form using monolithic stationary phase (2012).

28 - Improvement of separation in non-aqueous capillary electrophoresis using surfactants and calixarenes as additives (2012).

29 - Spectrophotometric and stability indicating high performance liquid chromatographic determination of Terbutaline-sulfate (2012).

30 - Rapid RP-HPLC method for simultaneous estimation of Norfloxacin and Tinidazole in tablet dosage form (2011).

31 - Rapid RP-HPLC Method for Simultaneous Estimation of Sparfloxacin, Gatifloxacin, Metronidazole and Tinidazole (2011).

32 - Rapid RP-HPLC method for simultaneous estimation of Levofloxacin hydrochloride, Lomefloxacin hydrochloride, Gatifloxacin and Sparfloxacin (2011).

33 - Effect of chromatographic conditions on liquid chromatographic chiral separation of terbutaline and salbutamol on Chirobiotic V column (2011).

34 - Spectophotometric methods for determination of Cefdinir in pharmaceutical formulations via derivatization with 1,2-naphthoquinone-4-sulfonate and 4-chloro-7-nitrobenzo-2-oxa-1, 3-diazole (2011).

35 - Chromatographic Application on Calixarene columns Part I: A stability indicating HPLC-method for Determination of Celecoxib in Tablet formulation (2009).

36 - Chromatographic application on calixarene bonded stationary phases: Stability indicating LC method for simultaneous determination of Paracetamol, Caffeine and Acetylsalicylic acid in Excedrin® tablets (2009).

37 - The role of silver nitrate as additive in non-aqueous capillary electrophoresis (2009).

38 - The effect of the process variables on the HPLC separation of tricyclic neuroleptics on calixarene-bonded statinary phase (1900).

39 - Chromatographic applications on monolithic columns: Determination of (1900).

40 - Retention behaviour of beta-blockers in HPLC using a monolithic column (1900).

41 - Effect of chaotropic mobile phase additives on retention behaviour of (1900).

42 - Comparison of the chromatographic raphic behaviour of tricyclic neuroleptics on ics on (1900).

43 - Storage Behaviour of some loca & Importel canned foods Via changes in their tin& Iron Contents (1900).

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