Y. Issa

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The determination of phosphonate base scale inhibitors in brines by plasma spectrometry

H. Ibrahim, Y. Issa, R. Kamal, 1992 .

SIMULTANEOUS DETERMINATION OF PARACETAMOL, CAFFEINE, DOMPERIDONE, ERGOTAMINE TARTRATE, PROPYPHENAZONE, AND DROTAVERINE HCL BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

Y. Issa, M. Hassouna, Ashraf G. Zayed, 2012 .

Applications, involving the iodide ion: VIII. Direct and indirect determination of mercury(I) and analysis of mixtures. Analysis of chromium(VI)-chromium (III) mixtures. Determination of hypochlorite

Y. Issa, H. Khalifa, 1973 .

Flow injection analysis with tubular membrane ion-selective electrode and coated wires for buspirone hydrochloride.

N. Abdel-Ghani, Y. Issa, A. Shoukry, 2007, Annali di chimica.

Diphenhydramine-sensitive membrane electrodes based on poly(vinylchloride) matrices and their use in drug analysis

Y. Issa, S. S. Badawy, A. Shoukry, 1987 .

PVC membrane ion-selective electrodes for the determination of Hyoscyamine in pure solution and in pharmaceutical preparations under batch and flow modes.

Y. Issa, S. S. Badawy, Ali A. Mutair, 2005, Journal of pharmaceutical and biomedical analysis.

Spectrophotometric Determination of Benzalkonium Chloride using Sulfonephthaleins B Research

Ahmed E. Zahran, Y. Issa, N. Abdel-Kader, 2021 .

A Novel Highly Selective and Sensitive Nano-Molar Cu(I), Cu(II) Modified Carbon Paste Sensors Based on Thiosemicarbazide and Acetaldehydethiosemicarbazone

Y. Issa, A. Khorshid, R. R. Amin, 2015 .

Simultaneous quantification of simeprevir sodium: A hepatitis C protease inhibitor in binary and ternary mixtures with sofosbuvir and/or ledipasvir utilizing direct and H-point standard addition strategies.

Y. Issa, S. Mohamed, Alyaa I. Salim, 2019, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Chemically Modified Carbon Paste Sensors for Micro- Determination of Doxycycline Based on Heteropolyacids

H. M. Abdel-Fattah, Y. Issa, N. B. Abdel-Moniem, 2016 .

Simultaneous determination of ibuprofen and paracetamol using derivatives of the ratio spectra method

I. Habib, Y. Issa, I. Habib, 2011 .

Spectrophotometric determination of sildenafil citrate in pure form and in pharmaceutical formulation using some chromotropic acid azo dyes.

Y. Issa, A. Youssef, W. F. El-Hawary, 2010, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Cathodic adsorptive stripping voltammetry of drotaverine hydrochloride and its determination in tablets and human urine by differential pulse voltammetry.

Y. Issa, S. I. Zayed, 2009, Bioelectrochemistry.

Conductimetric determination of phenylpropanolamine HCl, ranitidine HCl, hyoscyamine HBr and betaine HCl in their pure state and pharmaceutical preparations.

Y. Issa, Ali A. Mutair, A. Youssef, 2005, Farmaco.

Carbon Paste Electrode for the Potentiometric Flow Injection Analysis of Drotaverine Hydrochloride in Serum and Urine

H. Ibrahim, Y. Issa, H. M. Abu-Shawish, 2005 .

Conductimetric determination of reproterol HCl and pipazethate HCl and salbutamol sulphate in their pharmaceutical formulations.

Y. Issa, R. M. El-Nashar, A. Shoukry, 2001, Journal of pharmaceutical and biomedical analysis.

Spectrophotometric Determination of Trimethoprim in Pure Form and in Pharmaceutical Preparations using Bromothymol Blue, Bromocresol Green and Alizarin Red S

Y. Issa, A. El-Ansary, W. Selim, 1999 .

Colorimetric determination of ampicillin and 6-aminopenicillanic acid using acenaphthenequinone as a chromophoric reagent

A. Amin, Y. Issa, G. El-Sayed, 1997 .

Etilefrine Plastic Membrane Electrodes Based on Individual and Mixed Ion-exchangers of Etilefrinium Phosphotungstate and Tetraphenylborate.

Y. Issa, R. M. El-Nashar, M. S. Rizk, 1996 .

Indirect atomic absorption and atomic emission spectrometric determination of antazoline, hydralazine and amiloride hydrochlorides and quinine sulphate

S. K. Mohamed, H. Ibrahim, Y. Issa, 1995 .

Spectrophotometric determination of 6-aminopenicillanic acid using bromophenol blue and bromothymol blue

A. Amin, Y. Issa, 1995 .

Evaluation of Different Sudan Dyes in Egyptian Food Samples Utilizing Liquid Chromatography/Tandem Mass Spectrometry

Y. Issa, M. Atwa, S. Mohamed, 2021, Food Analytical Methods.

Construction and performance characteristics of a metformin electrode based on the metformin phosphotungstate ion‐associate

H. M. Abdel-Fattah, Y. Issa, M. Rizk, 1994 .

Spectrophotometric determination of ciprofloxacin in pure form and in tablets through charge-transfer complexation reactions

H. M. Hussein, H. Fahmy, Y. Issa, 1998 .

Electrocatalytic Nitrite Determination Using Iron Phthalocyanine Modified Gold Nanoparticles

Baljit Singh, A. Saeed, E. Dempsey, 2015 .

PREPARATION, CHARACTERIZATION, AND THERMODYNAMIC STUDIES OF PROMAZINE, CHLORPROMAZINE, PROMETHAZINE, IMIPRAMINE, AND CIPROFLOXACIN ION-ASSOCIATES WITH SOME METAL COMPLEX IONS

Y. Issa, A. F. Ahmed, W. F. El-Hawary, 2001 .

Ligational Behaviour of Electrochemically Synthesized Copper(II) Complexes of Diethyl 2, 3-Dioxopentanedioate-2-Arylhydrazone Derivatives

N. Abdel-Ghani, Y. Issa, M. A. El-Ghar, 1999 .

Potentiometric, IR and thermal conductimetric studies on chelates of chromotropic acid with some transition metals

N. Abdel-Ghani, Y. Issa, M. Khaled, 1988 .

Chelating Behaviour of Substituted 3‐4 Aryl‐Hydrazo‐Pentane‐2, 4‐Dione: Part VI. Potentiometric and Infrared Studies of the Ligands and Their Divalent Metal Complexes

Y. Issa, G. A. El‐Inany, B. A. El‐Shetary, 1985 .

Chemically modified carbon paste and membrane sensors for the determination of benzethonium chloride and some anionic surfactants (SLES, SDS, and LABSA): Characterization using SEM and AFM.

Y. Issa, S. Mohamed, M. A. Baset, 2016, Talanta.

PVC Membrane electrode for trinitrobenzenesulfonate and its use for indirect determination of amino acids

Y. Issa, S. S. Badawy, A. Tag-Eldin, 1997 .

STABILITY OF SOME ARYLHYDRAZO-5-PYRAZOLONES CHELATES WITH DIVALENT IRON, COBALT, NICKEL, COPPER AND ZINC

H. M. Abdel-Fattah, Y. Issa, M. Rizk, 1994 .

SIMPLE AND ACCURATE RP-HPLC AND TLC- DENSITOMETRIC METHODS FOR DETERMINATION OF CARVEDILOL IN PHARMACEUTICAL FORMULATIONS

S. Barakat, E. Hussien, Y. Issa, 2012 .

Spectroscopic, thermal and magnetic properties of some transition metal complexes derived from 1-Phenyl-3-Substituted-4-Nitroso-5-Pyrazolones

Y. Issa, S. AbdelLatif, 2010 .

QUANTITATIVE DETERMINATION OF CLOPIDOGREL BISULFATE USING VALIDATED SPECTROPHOTOMETRIC METHODS

Y. Issa, S. Mohamed, Alyaa I. Salim, 2020 .

Studies on some salicylaldehyde Schiff base derivatives and their complexes with Cr(III), Mn(II), Fe(III), Ni(II) and Cu(II).

Y. Issa, S. A. Abdel-Latif, H. Hassib, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Ion-Pair Formation in Pharmaceutical Analysis. Conductimetric Determination of Promazine, Chlorpromazine, Promethazine, Imipramine and Ciprofloxacin Hydrochlorides in Pure Form, Drug Formulations and Urine

Y. Issa, W. F. El-Hawary, Ahmed F. Ahmed, 2000 .

Chelation behaviour of lanthanides with somethio-Schiff bases

Y. Issa, A. Soliman, M. M. Omar, 1995 .

Chelation behaviour of lanthanons witho-arsonodibenzoylmethanephenylhydrazone

Y. Issa, H. Mohamed, M. M. Omar, 1990 .

Spectrophotometric determination of some lanthanides using 3-hydroxy-2-naphthoic acid azo dyes

Y. Issa, A. A. Salem, N. T. A. Ghani, 1989 .

Spectrophotometric Microdetermination of Sulfamethoxazole and Trimethoprim Using Alizarin and Quinalizarin

A. Amin, Y. Issa, 1994 .

Single and mixed chemically modified carbon paste ion-selective electrodes for determination of ketotifen fumarate.

Y. Issa, S. Mohamed, M. M. Khater, 2013, Drug testing and analysis.

WITHDRAWN: Solid contact sensors for determination of the antihistaminic drug ketotifen fumarate

Y. Issa, S. Mohamed, M. M. Khater, 2011 .

DINUCLEAR COMPLEXES OF DIETHYL 2-(2-CARBOXYPHENYLHYDRAZONO)-3-OXOPENTANEDIOATE WITH SOME TRANSITION METAL IONS

N. Abdel-Ghani, Y. Issa, M. A. El-Ghar, 1998 .

Electrical conductivity studies on some dibenzoylmethane arylhydrazones (DBMAH)

Y. Issa, W. S. Mohamed, H. Hassib, 2010 .

Separation and structural studies of manganese(II), cobalt(II), nickel(II), copper(II) and cadmium(II) complexes of benzilic and mandelic esters

Y. Issa, R. Issa, W. F. El-Hawary, 1995 .

Structural studies on new copper(II) phenylhydrazoacetylacetone isonicotinoyl hydrazone complexes

Y. Issa, R. El-Bahnasawy, E. El-Shereafy, 1995 .

Performance characteristics and regeneration of a tetraphenylboron(III) selective electrode

Y. Issa, S. S. Badawy, A. Shoukry, 1987 .

Kinetic Study of the Hydrolysis of Schiff Bases Derived from 2-Aminothiophenol

Y. Issa, H. Hassib, N. Abdel‐Kader, 2012, Journal of Solution Chemistry.

COMPLEXES OF CERIUM(III), THORIUM(IV), AND DIOXOURANIUM(II) WITH 8-(ARYLAZO)-7-HYDROXY-4-METHYLCOUMARIN DYES

B. A. Sabrah, Y. Issa, S. Mohamed, 1992 .

Separation and spectroscopic characterization of new metal chelates of 8-arylazo-6-formyl-7-hydroxy-5-methoxy-2-methyl chromones

Y. Issa, A. El‐Ansary, O. E. Sherif, 1997 .

SYNTHESIS AND CHARACTERIZATION OF CU(II) COMPLEXES WITH NEW MANDELIC HYDRAZONES

Y. Issa, S. A. Abdel-Latif, H. A. Abdel-Salam, 1999 .

Thermodynamic Parameters of Some Schiff Bases Derived From 5,7-dihydroxy-6-formyl-2-methylbenzopyran-4-one

Y. Issa, Y. M. Issa, S. Abbas, 2000 .

Preparation and Investigation of Ce(III), Th(IV) AND U(VI) Chelates with Some Schiff Bases Derived from 5,7-Dihydroxy-6-Formyl-2-Methylbenzopyran-4-One

Y. Issa, O. E. Sherif, S. M. Abbas, 1999 .

Spectrophotometric studies on complexes of Co(II), Ni(II) and Cu(II) with benzimidazolylazo derivatives

M. M. Khater, Y. Issa, A. Shoukry, 1979 .

Studies on halogen derivatives of phenylazochromotropic acid: II. Spectrophotometric microdetermination of thorium

M. M. Khater, Y. Issa, S. S. Badawy, 1977 .

Applications involving the iodide ion: VI. Determination of thallium(I) and analysis of its mixtures with some metal ions

Y. Issa, H. Khalifa, 1970 .

Electrical and thermal studies on some acetylacetoneand benzoylacetone-arylhydrazones

Y. Issa, W. S. Mohamed, H. Hassib, 2008 .

Cetyltrimethylammonium‐Selective PVC Electrode Based On Its Trinitrobenzene Sulfonate Ion‐Pair

Y. Issa, S. S. Badawy, W. F. El-Hawary, 1999 .

Charge-transfer complexes of pyrimidine Schiff bases with aromatic nitro compounds.

Y. Issa, H. Hassib, A. El‐Ansary, 2011, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

A REVIEW ON THE CHEMICAL ANALYSIS OF TELLURIUM AND ITS REMOVAL FROM REAL AND BIOLOGICAL SAMPLES

Y. Issa, N. B. Abdel-Moniem, H. Abdel-Fattah, 2016 .

Determination of nitrite in environmental samples using chemically modified carbon paste electrode based on new Co(III)-benzopyran-4-one Schiff Base complex

Ola R. Shehab, H. Ibrahim, Y. Issa, 2012 .

1H NMR, 13C NMR and mass spectral studies of some Schiff bases derived from 3-amino-1,2,4-triazole.

Y. Issa, H. Hassib, H. Abdelaal, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

New copper(II)-selective chemically modified carbon paste electrode based on etioporphyrin I dihydrobromide

Ola R. Shehab, H. Ibrahim, Y. Issa, 2012 .

The surfactant sensitized analytical reaction of cerium(IV) with some triphenylformazan derivatives.

I. Ahmed, A. Amin, Y. Issa, 2006, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Spectrophotometric Microdetermination of Some Pharmaceutically Impor tant Aminoquinoline Antimalarials, as Ion-Pair Complexes

A. Amin, Y. Issa, 2000 .

Utility of formazans and cetylpyridinium chloride in rapid spectrophotometric determination of zinc in biological materials and pharmaceutical formulations.

A. Amin, Y. Issa, 2003, Journal of pharmaceutical and biomedical analysis.

EXTRACTION-COLORIMETRIC METHOD FOR THE DETERMINATION OF ERYTHROMYCIN AND ITS ESTERS IN DOSAGE FORMS USING CHROMOTROPIC ACID AZO DYES

A. Amin, Y. Issa, 2001 .

Utility of the ion-pair formation for spectrophotometric determination of terfenadine in pure form and in some pharmaceutical formulations

A. Amin, Y. Issa, 1999 .

Tetracycline Sensitive Membrane Electrodes Based on Poly (Vinyl Chloride) Matrices and their use in Drug Analysis

Y. Issa, A. El‐Ansary, A. Tag-Eldin, 1999 .

D-C Polarographic Determination of Ampicillin in Pharmaceutical Dosage Forms

A. Amin, Y. Issa, G. O. E. Sayed, 1994 .

Application of alizarine derivatives as chromogenic reagents for the spectrophotometric determination of some sulfa drugs

A. Amin, Y. Issa, G. El-Sayed, 1995 .

Conductometric and indirect AAS determination of antimalarials.

A. Amin, Y. Issa, 2003, Journal of pharmaceutical and biomedical analysis.

Structural studies on new diphenyl formazans and their lanthanide(III) complexes

Y. Issa, S. S. Badawy, H. Abdel-Fattah, 1989 .

Spectrophotometric determination of meclozine HCl and papaverine HCl in their pharmaceutical formulations.

N. Abdel-Ghani, Y. Issa, A. Shoukry, 2002, Journal of pharmaceutical and biomedical analysis.

SPECTROPHOTOMETRIC DETERMINATION OF DIPYRIDAMOLE AND CHLORPHENIRAMINE MALEATE USING SOME CHROMOTROPIC ACID AZO DYES

N. T. Abdel Ghani, Y. Issa, A. Shoukry, 2001 .

Extraction-Spectrophotometric Method for the Determination of Betamethasone in Pure Form and in Pharmaceutical Formulations

A. Amin, Y. Issa, 1997 .

Spectrophotometric assay of cephalosporins in pharmaceutical products, using chromotrope 2B and chromotrope 2R

A. Amin, Y. Issa, 1996 .

Conductometric titration of pindolol and propranolol using ammonium reineckate and potassium tetracyanonickelate

A. Amin, Y. Issa, 1995 .

UTILITY OF SOME π-ACCEPTORS FOR THE SPECTROPHOTOMETRIC DETERMINATION OF TRIMETAZIDINE HYDROCHLORIDE

Y. Issa, Y. M. Issa, F. M. Abdel-Gawad, 2002 .

Utility of certain π-acceptors for the spectrophotometric determination of norfloxacin

A. Amin, Y. Issa, G. El-Sayed, 1995 .

CHEMICALLY MODIFIED CARBON PASTE SENSORS FOR DETERMINATION OF CLOMIPRAMINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS

Y. Issa, S. Mohamed, S. Elfeky, 2014 .

Plastic Membrane Selective Electrodes for Chlortetracyclinium Ion Based on Chlortetracyclinium‐Phosphotungstate and Phosphomolybdate Ion‐Pair Associates

Y. Issa, A. El‐Ansary, A. Tag-Eldin, 2001 .

Spectrophotometric and conductimetric determination of dipyridamole in pure and dosage forms using chromotrope 2B and phosphotungstic acid

Y. Issa, A. A. Salem, M. Bahbouh, 1998 .

Charge Transfer Complex Formation in Spectrophotometric Determination of Verapamil Hydrochloride

Y. Issa, A. A. Salem, M. Bahbouh, 1997 .

Selective spectrophotometric method for the determination of erythromycin and its esters in pharmaceutical formulations using gentiana violet.

A. Amin, Y. Issa, 1996, Journal of pharmaceutical and biomedical analysis.

Ion-association method for the colorimetric determination of neomycin sulphate in pure and dosage forms.

A. Amin, Y. Issa, 2003, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Spectrophotometric Microdetermination of Ampicillin and Amoxicillin with Picric and Picramic Acids

A. Amin, Y. Issa, M. E. Moustafa, 1994 .

Colorimetric determination of amoxycillin in pure form and in pharmaceutical preparations.

A. Amin, Y. Issa, A. El‐Ansary, 1994, Talanta.

Spectrophotometric Determination of Ampicillin with Some Nitro Compounds

A. Amin, Y. Issa, 1993 .

Ion-selective electrode for the determination of metoclopramide.

Y. Issa, S. S. Badawy, A. Shoukry, 1986, The Analyst.

Determination of Microgram Amounts of Copper in Real Samples Using New Modified Carbon Paste Electrode

Ola R. Shehab, Y. Issa, A. Youssef, 2015, International Journal of Electrochemical Science.

Synthesis and Analytical Application of the Complexes of 4-Methylesculetin Azo Compounds with Some Transition Metal Ions

Y. Issa, W. F. El-Hawary, M. E. Moustafa, 1999 .

Quantitative determination of some pharmaceutical piperazine derivatives through complexation with iron(III) chloride.

Y. Issa, F. M. Abdel-Gawad, S. M. Abdel-hamid, 2003, Farmaco.

An Eco-Concerned Development of a Fast, Precise and Economical Spectrophotometric Assay for the Antiviral Drug Simeprevir based on Ion-Pair Formation

Y. Issa, S. Mohamed, Alyaa I. Salim, 2021 .

Spectrophotometric Determination of Ofloxacin and Lomefloxacin Hydrochloride with Some Sulphonphthalein Dyes

H. M. Hussein, Y. Issa, F. M. Abdel-Gawad, 1997 .

Chelation Behaviour of Ce(III), Th(IV), and UO2(VI) with 5,7-Dihydroxy-6-formyl-2-methylbenzopyran-4-one Schiff Bases

Y. Issa, O. E. Sherif, S. M. Abbas, 1998 .

Spectral investigation of the intramolecular charge-transfer in some aminotriazole Schiff bases.

Y. Issa, H. Hassib, I. M. Kenawi, 2011, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Spectrophotometry Determination of Copper and Palladium Using Some 1,3,5‐Triphenylformazans

Y. Issa, A. El‐Ansary, Z. F. Hanna, 1986 .

A Disposable Homemade Screen Printed Electrochemical Sensor for Vitamin B1 Determination in Multivitamin Ampoules: Potentiometric and Surface Morphology Studies

Y. Issa, A. S. Dena, O. E. Sherif, 2017 .

New Ampicillin Selective Plastic Membrane and Coated Metal Electrodes Based on Ampicillinium Phosphotungstate Ion pair.

Y. Issa, M. S. Rizk, A. Shoukry, 1994 .

Flow injection determination of ketotifen fumarate using PVC membrane selective electrodes.

Y. Issa, M. M. Khater, S. H. Mohammed, 2009, Bioelectrochemistry.

Potentiometric Flow Injection Analysis of Drotaverine Hydrochloride in Pharmaceutical Preparations

H. Ibrahim, Y. Issa, H. M. Abu-Shawish, 2005 .

Papaverine-Selective Plastic Membrane Electrode Based on Papaverinium Tetraphenylborate

H. Ibrahim, Y. Issa, A. Shoukry, 1991 .

Dipyridamole plastic membrane electrodes based on individual and mixed ion-exchangers of dipyridamolium phosphotungstate and tetraphenylborate

Y. Issa, Y. M. Issa, R. M. El-Nashar, 1997 .

Potentiometric and surface topography studies of new carbon-paste sensors for determination of thiamine in Egyptian multivitamin ampoules

Y. Issa, A. S. Dena, F. M. Attia, 2017 .

Spectrometric, Thermal and Conductometric Studies of Some Lanthanide, Thorium and Uranyl Complexes with Some Hydroxy Nitrosocoumarins

Y. Issa, S. A. Abdel-Latif, S. A. Abdel‐Latif, 1998 .

Potentiometric determination of L‐dopa, carbidopa, methyldopa and aspartame using a new trinitrobenzenesulfonate selective electrode

Y. Issa, S. S. Badawy, A. Tag-Eldin, 1996 .

Effect of substituents on the Ionization Constants of Some 8‐Quinolinol Azo‐Compounds

M. M. Khater, Y. Issa, A. Shoukry, 1980 .

Development and Validation of a New Method for the Determination of Anti-hepatitis C Agent Simeprevir in Human Plasma using HPLC with Fluorescence Detection

Y. Issa, A. Youssef, K. M. Nabil, 2020, Current Analytical Chemistry.

Application of Ion-Pairs in Pharmaceutical Analysis. Atomic Absorption Spectrometric Determination of Promazine, Chlorpromazine, Promethazine, Imipramine and Ciprofloxacin Hydrochlorides with Sodium Cobaltinitrite

Y. Issa, A. F. Ahmed, W. F. El-Hawary, 1999 .

Potentiometric determination of ephedrine hydrochloride using plastic membrane ion-selective electrode.

Y. Issa, A. Shoukry, M. Zareh, 2007, Journal of chemical technology and biotechnology.

Potentiometric sensor for phenylephrine based on phenylephrine-tetraphenylborate lipophilic salt

Y. Issa, R. El-Sheikh, A. Shoukry, 1989 .

New Ion-Selective Electrodes for Determination of Bupivacaine and Oxybuprocaine

Y. Issa, A. Shoukry, M. Zareh, 1991 .

Plastic membrane and coated Wire Ion Selective Electrodes for Propylhexedrine

Y. Issa, R. El-Sheikh, A. Shoukry, 1992 .

Modified carbon paste sensor for the potentiometric determination of neostigmine bromide in pharmaceutical formulations, human plasma and urine.

Y. Issa, A. Khorshid, 2014, Biosensors & bioelectronics.

CHELATES OF PRASEODYMIUM-, NEODYMIUM-, SAMARIUM-, GADOLINIUM-, HOLMIUM-, ERBIUM-, THULIUM- AND YTTERBIUM(III) AND SOME SYMMETRIC 1,5-DIPHENYL-3-CYANOF ORMAZANS

N. Abdel-Ghani, Y. Issa, A. Tawansi, 1996 .

Thermogravimetric studies on lanthanide complexes of new derivatives of 1,5-diaryl-3-acetylformazan

Y. Issa, S. S. Badawy, H. Abdel-Fattah, 1989 .

Spectral Studies and Normal Coordinate Analysis of Some Symmetric 1,5-Diaryl-3-cyanoformazans

H. Mikosch, Y. Issa, G. Bauer, 1999 .

Potentiometric determination of titanium(III), tin(II), and some hydrazine derivatives

H. Ibrahim, N. Abdel-Ghani, Y. Issa, 1988 .

The synthesis, spectroscopic characterization, DFT/TD-DFT/PCM calculations of the molecular structure and NBO of the novel charge-transfer complexes of pyrazine Schiff base derivatives with aromatic nitro compounds

Y. Issa, S. A. Abdel-Latif, H. Hassib, 2021 .

Spectral and thermal conductance studies of some symmetric 1,5-diphenyl-3-cyanoformazans. SCF PPP CI calculation

N. Abdel-Ghani, Y. Issa, M. Khaled, 1989 .

Plastic Membrane Selective Electrode for Cetirizinium Ion Based on Cetirizinium‐Tetraphenylborate Ion‐Pair

N. Abdel-Ghani, Y. Issa, A. Shoukry, 1999 .

Dynamic potential and surface morphology study of sertraline membrane sensors

Y. Issa, H. Hassib, M. M. Khater, 2014, Journal of advanced research.

Construction and Performance Characterization of Ion‐Selective Electrodes for Potentiometric Determination of Paroxetine Hydrochloride in Pharmaceutical Preparations and Biological Fluids

Y. Issa, M. Khalil, A. G. Mohamed, 2014 .

Potentiometric flow injection analysis of dicyclomine hydrochloride in serum, urine and milk

H. Ibrahim, Y. Issa, H. M. Abu-Shawish, 2005 .

Use of hydrazine reduction in potentiometric determination of gold: Analysis of mixtures

Y. Issa, M. Zaky, 1986 .

Analytical application of atomic absorption spectrometry for the determination of chlorpheniramine maleate and chlorphenoxamine hydrochloride in pure form and in pharmaceutical preparations

A. Amin, Y. Issa, 1996 .

Trimethoprimium-Phosphotungstate Ion Associate as Ion-Exchanger For Trimethoprimium Ion-Selective Electrode

Y. Issa, A. Shoukry, Mahmoud . Abou-Dan, 1996 .

Studies on halogen derivatives of phenylazochromotropic acid

M. M. Khater, Y. Issa, S. S. Badawy, 1977 .

Solubilities and solubility products of clomipramine hydrochloride ion-associates with tetraphenylborate and silicotungstate

Y. Issa, S. Mohamed, S. Elfeky, 2017 .

CONDUCTIMETRIC STUDIES OF CHARGE TRANSFER COMPLEXES OF SOME BENZYLIDINE ANILINE SCHIFF BASES WITH SUBSTITUTED RHO -BENZOQUINONES

Y. Issa, H. Hassib, 1996 .

SPECTROPHOTOMETRIC STUDIES ON SOME HYDROXY NITROSOCOUMARINS

N. Abdel-Ghani, Y. Issa, S. A. Abdel-Latif, 1996 .

Construction and performance characteristics of new tetramisole selective plastic membrane electrodes.

Y. Issa, M. S. Rizk, E. M. Atia, 1994, Talanta: The International Journal of Pure and Applied Analytical Chemistry.

Preparation and IR-spectroscopic study of charge transfer complexes of naphthalene derivatives with some tri- and di-nitrobenzenes

Y. Issa, R. Issa, A. M. Hindawey, 1980 .

Thermal-conductimetric studies on some isonicotinoyl hydrazone derivatives and their metal complexes

Y. Issa, R. El-Bahnasawy, E. El-Shereafy, 1990 .

Spectrophotometric Determination of Cinnarizine through Charge-Transfer Complex Formation with Polynitro Compounds

Y. Issa, A. Youssef, W. F. El-Hawary, 2013 .

Enthalpimetric Determination of Sulfa Drugs in Pure Form and Pharmaceutical Formulations

Y. Issa, W. Selim, A. El‐Ansary, 1998 .

Determination and Speciation of Tellurium Hazardous Species in Real and Environmental Samples

Y. Issa, 2016 .

Colorimetric and Atomic Absorption Spectrometric Methods for the Determination of Hyoscine N-Butylbromide in Pharmaceutical Formulations Using Cobalt (II) and Chromium (III) Thiocyanate Complexes

Y. Issa, A. Youssef, M. A. Awady, 2005 .

Spectrophotometric determination of lignocaine in pure form and in pharmaceutical preparations

Y. Issa, M. S. Rizk, A. Shoukry, 1997 .

Extraction-spectrophotometric determination of amprolium hydrochloride using bromocresol green, bromophenol blue and bromothymol blue

M. Rizk, Y. Issa, A. Shoukry, 1997 .

Spectrophotometric Determination of Dioxovanadium (V) Ion Using Some Halogen Derivatives of Phenylazo‐Chromotropic Acid

Y. Issa, S. S. Badawy, 1983 .

APPLICATION OF HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC METHOD FOR THE DETERMINATION OF LEVODOPA, CARBIDOPA, AND ENTACAPONE IN TABLET DOSAGE FORMS

Y. Issa, Ashraf G. Zayed, M. Hassoun, 2011 .

Molecular compounds of dichloro-p-benzoquinone derivatives with hydroxy aromatic Schiff's bases

Y. Issa, 1984 .

Solubility and thermodynamic studies of sparingly soluble tellurite salts

Y. Issa, Nahla B. Mohamed, H. Abdel-Fattah, 2020, Journal of Thermal Analysis and Calorimetry.

Amoxycillinium-Selective plastic membrane electrodes based on amoxycillinium-phosphotungstate ion associate

Y. Issa, M. Rizk, A. Shoukry, 1994 .

Spectroscopic, thermogravimetric studies and DFT calculations of pentoxyverine citrate ion-pairs with sulfonephthalein dyes

Ashour A. Ahmed, Y. Issa, S. Mohamed, 2020 .

A comparative study of the in-vitro dissolution profiles of paracetamol and caffeine combination in different formulations using HPLC

Y. Issa, M. Hassouna, Ashraf G. Zayed, 2012 .

Extraction-free spectrophotometric assay of the antitussive drug pentoxyverine citrate using sulfonephthalein dyes.

Y. Issa, S. Mohamed, S. Elfeky, 2019, Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy.

Some observations on a new adiphenine-selective plastic membrane electrode based on adipheninium tetraphenylborate

H. Ibrahim, Y. Issa, A. Shoukry, 1990 .

New Application of Chromotropic Acid for the Determination of Some Sulphonamides in their Pharmaceutical Preparations

Y. Issa, F. Aly, M. M. A. MoetY, 2002 .

Plastic membrane electrodes for amprolium

M. Rizk, Y. Issa, A. Shoukry, 1998 .

A New Metformin Selective Plastic Membrane Electrode Based on Metformin Tetraphenylborate

Y. Issa, E. M. Atia, H. Abdel-Fattah, 1993 .

Polarographic Investigation of Co(II), Ni(II) and Zn(II) Complexes With Procaine

Y. Issa, G. El-Sayed, 1997 .

SPECTROPHOTOMETRIC DETERMINATION OF DIPYRIDAMOLE AND CHLORPHENIRAMINE MALEATE USING SOME CHROMOTROPIC ACID AZO DYES

Y. Issa, A. Shoukry, N. T. A. Ghani, 2001 .

Spectrophotometric Microdetermination of Sulfamethoxazole and Trimethoprim Using Alizarin and Quinalizarin

A. Amin, Y. Issa, 1994 .

Y. Issa, H. Hassib, A. El‐Ansary, 2021, New Journal of Chemistry.

Synthesis, Characterization and Spectrophotometric Study on Some New Chromotropic Acid Azo Dyes: Analytical Application on Thorium Determination

Y. Issa, N. Abdel‐Kader, M. A. Zaky, 2022, International journal of pharmaceutical sciences review and research.

SYNTHESIS AND STRUCTURAL STUDY OF THE ION-ASSOCIATES OF SILDENAFIL CITRATE WITH CHROMOTROPIC ACID AZO DYES

Y. Issa, A. Youssef, W. F. El-Hawary, 2012 .

Fabrication of a Novel Highly Selective and Sensitive Nano-Molar Cu(I), Cu(II) Membrane Sensors Based on Thiosemicarbazide and Acetaldehydethiosemicarbazone Copper Complexes

Y. Issa, A. Khorshid, R. R. Amin, 2013 .