Search Results - "Mahmoud, Rizk"

PVC membrane bulk optode incorporating 4-nitrobenzo-15-crown-5 and sodium tetrakis(1-imidazolyl) borate for the pico-molar determination of silver ion in pharmaceutical formulation by Abdel-Haleem, Fatehy M., Alhashemi, Yaser, Rizk, Mahmoud S.

“…Silver ion (Ag + ) is of harmful effects to both environment and human health. Ag + soluble compounds and salts is used in treating mental illness, epilepsy,…”
Get full text

Diagnostic Value of Plasma Methylated Septin 9 in Detection of Hepatocellular Carcinoma in Egyptian Patient with Post Hepatitis C Liver Cirrhosis in Comparison to Serum Level of Alphafeto Protein by El moghney Moustafa, Mohamed Abd, Ali- Eldin, Zainab Ahmed, Elrahmen Ahmed, Ghada Abd, Mahmoud Rizk, Mahmoud Hassan

Get full text

Carbon‐based Nanosensors for Salicylate Determination in Pharmaceutical Preparations by Abdel‐Haleem, Fatehy M., Salah, Azza, Rizk, Mahmoud S., Moustafa, Hussein, Bechelany, Mikhael, Barhoum, Ahmed

“…Thiourea derivative‐based carbon paste electrode (TUD1‐CPE) was constructed as a potentiometric sensor for the determination of salicylate anion in…”
Get full text

Molecularly imprinted polymer/reduced graphene oxide‒based carbon‒paste sensor for highly sensitive determination of the anti‒HCV drug daclatasvir dihydrochloride by Abdel Ghani, Nour T., Abdulla, Hend, Rizk, Mahmoud S., Dena, Ahmed S. Abo, El Nashar, Rasha Mohamed

“…[Display omitted] •Computational design of a molecularly imprinted polymer for DCT.•MIP and RGO were used concurrently as modifiers for the sensor.•MIP and RGO…”
Get full text

Molecularly-imprinted polymer-base bulk optode for the determination of ivabradine hydrochloride in Procoralan by Abdel-Haleem, Fatehy M, Rizk, Mahmoud S, El-Beshlawy, Menna M

“…IVH may be administered orally twice per day for treating heart failure, sinus rhythm, heart-related chest pain and angina pectoris, and its overdose may cause…”
Get full text

Non-Enzymatic Phenylboronic Acid-Based Optode Membrane for Glucose Monitoring in Serums of Diabetic Patients and in the Culture Medium of Human Embryos by Taha, Mohamed M, Rizk, Mahmoud S, Zayed, Mohamed A, Abdel-Haleem, Fatehy M, Barhoum, Ahmed

“…Monitoring glucose levels is important not only for diabetics, but also for tracking embryonic development in human embryo culture media. In this study, an…”
Get full text

Molecularly Imprinted Electrochemical Sensor-Based Fe2O3@MWCNTs for Ivabradine Drug Determination in Pharmaceutical Formulation, Serum, and Urine Samples by Abdel-Haleem, Fatehy M., Gamal, Eman, Rizk, Mahmoud S., Madbouly, Adel, El Nashar, Rasha M., Anis, Badawi, Elnabawy, Hussam M., Khalil, Ahmed S. G., Barhoum, Ahmed

“…Ivabradine hydrochloride (IVR) is a medically important drug because of its ability to lower the heart rate. Techniques reported for IVR determination were…”
Get full text

Innovations in ion-selective optodes: a comprehensive exploration of modern designs and nanomaterial integration by Barhoum, Ahmed, Alhashemi, Yaser, Ahmed, Yomna M, Rizk, Mahmoud S, Bechelany, Mikhael, Abdel-Haleem, Fatehy M

“…In recent years, ion-selective optodes (ISOs) have remarkably progressed, driven by innovative modern designs and nanomaterial integration. This review…”
Get full text

Potentiometric Determination of Ciprofloxacin in Physiological Fluids Using Carbon Paste and Nano‐Composite Carbon Paste Electrodes by Abdel‐Haleem, Fatehy M., Rizk, Mahmoud S., Badr, Ibrahim H. A.

“…Nano‐composite carbon paste and simple carbon paste based potentiometric sensors were constructed and used for determination of ciprofloxacin at different pH…”
Get full text

Ionophore-modified polyaniline-based optode for the determination of hydrogen sulfite levels in beverages, wastewater, and soil by Algethami, Faisal K, Koraim, Basant H, Abdelrahman, Ehab A, El-Reash, Yasmeen G Abou, Rizk, Mahmoud S, Abdel-Haleem, Fatehy M

“…Sulfite is a very important species, affecting human health, plant and animal life, and environmental sustainability. In this study, for the first time, an…”
Get more information

Potentiometric Anion Selectivity and Analytical Applications of Polymer Membrane Electrodes Based on Novel Mn(III)- and Mn(IV)-Salophen Complexes by Abdel-Haleem, Fatehy M., Badr, Ibrahim H. A., Rizk, Mahmoud S.

“…New Mn(III)‐L and Mn(IV)‐L complexes were prepared from the highly lipophilic salophen ligand (L): phenol…”
Get full text

Low Serum 25-Hydroxy Vitamin D (25-OHD) and Hepatic Encephalopathy in HCV-Related Liver Cirrhosis by Afifi, Mohamed Abd Ellatif, Hussein, Ahmed Mohamed, Rizk, Mahmoud

“…Background. Patients with liver cirrhosis experience a large variety of metabolic disorders associated with more hepatic decompensation. Hepatic encephalopathy…”
Get full text

Cytokines profile and their related genotypes in COVID-19: Correlation with disease severity and outcome in Egyptian patients by Naglaa Elabd, Amany Saleh, Asmaa Elbrolosy, Reda Ibrahem, Noran Aboelkhair, Mohamed Enar, Ahmed Elesdoudy, Marwa Allahouny, Mahmoud Rizk, Moamena Elhamoly

“…Background and Aims: COVID-19-related pulmonary inflammation is linked to elevated plasma levels of a group of proinflammatory cytokines. We aim to identify…”
Get full text

Development of ionophore-based nanosphere emulsion incorporating ion-exchanger for complexometric titration of thiocyanate anion by Abdel-Haleem, Fatehy M., Rizk, Mahmoud S.

“…[Display omitted] Ionophore-based ion-exchange nanosphere emulsion was prepared and tested for the determination of thiocyanate. The emulsified nanosphere…”
Get full text

PVC membrane, coated-wire, and carbon-paste ion-selective electrodes for potentiometric determination of galantamine hydrobromide in physiological fluids by Abdel-Haleem, Fatehy M., Saad, Mohamed, Barhoum, Ahmed, Bechelany, Mikhael, Rizk, Mahmoud S.

“…We report on highly-sensitive ion-selective electrodes (ISEs) for potentiometric determining of galantamine hydrobromide (GB) in physiological fluids…”
Get full text

Development of two reference materials for all trans-retinol, retinyl palmitate, α- and γ-tocopherol in milk powder and infant formula by Shehata, Adel B., Rizk, Mahmoud S., Farag, Ahmad M., Tahoun, Ibrahim F.

“…Vitamins are important food constituents that can be present in almost every foodstuff. Food quality and safety depends on food surveillance by reliable…”
Get full text

Microalbuminuria besides to urinary enzymatic protein levels increase in Diabetic kidney disease with type II diabetics by Osama, Mosa, Mahmoud, Rizk, Said, Asmaa

“…Background: Diabetic kidney disease (DKD) is a time progressive problem, give rise in uncontrolled Diabetics increasing risks for chronic kidney disease (CKD)…”
Get full text

Clinical Outcome of Exocrine Pancreatic Adenocarcinoma: A Single Center Experience by Gohar, Suzy, Megahid, Fawzy, Rizk, Mahmoud, Kasemy, Zeinab, Barsoom, Tamer

“…Background: Pancreatic carcinoma is an uncommon tumor with a high mortality rate. Because of the late presentation of the disease, only a small percent of…”
Get full text

t-Butyl calixarene/Fe2O3@MWCNTs composite-based potentiometric sensor for determination of ivabradine hydrochloride in pharmaceutical formulations by Abdel-Haleem, Fatehy M., Gamal, Eman, Rizk, Mahmoud S., El Nashar, Rasha M., Anis, Badawi, Elnabawy, Hussam M., Khalil, Ahmed S.G., Barhoum, Ahmed

“…Ivabradine hydrochloride (IVB) has shown high medical importance as it is a medication for lowering the heart rate for the symptomatic chronic heart failure…”
Get full text

EFFECTS OF THERMAL MANIPULATION OF JAPANESE QUAIL EMBRYO ON POST-HATCH CARCASS TRAITS, WEIGHT OF INTERNAL ORGANS, AND BREAST MEAT QUALITY by El-Shater, Saad Nazeh, Khalil, Karim Mohamed, Rizk, Hamdy Mahmoud, Zaki, Hamdy, Abdelrahman, Hisham Ahmed, Abozeid, Hassanein, Khalifa, Elsayed Fath

“…Embryonic thermal manipulation was known as an effective protocol for improving post-hatch growth performance and thermotolerance acquisition among avian…”
Get full text