Dr. Ahmed Mohammed Abu-Dief Mohammed

Prof. Assistant - Assistant professor of Inorganic and Physical Chemistry

Faculty of science

Address: Behind hospital of Sohag University - Ali Ebn Abi Taleb Street




Dr. Ahmed Mohammed Abu-Dief  Mohammed, Assisstant professor of Inorganic and Physical Chemistry at Chemistry Department, Faculty of Science, Sohag University, Sohag, Egypt, Post doctor, Faculty of  Chemistry, Oviedo University, Spain,2015. I published more than 65  articles in international journals, 7 books and participated in more than 60 workshops and international conferences with h- index 20. Moreover,i work as a reviewer in more than 100 international journals and editorial member in more than30 international journals. Furthermore, i supervised 11 master and 4 PhD students.

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2018-12-18 08:14:30
تنبيه هام لطلاب الفرق المختلفة
لطلاب الفرق المختلفة كلية التربية والعلوم : يرجى مراجعة المرفقات الخاصة بكل مقرر كل حسب فرقته والتى تساعد على تيسسير فهم المقرر والموجودة بأيقونة Supplements Read more

2018-12-16 13:00:41
عناوين المحاضرة الثانية عشرة  والأ خيرة لطلاب الفرقة الأولى تربية كيمياء وأحياء
لطلابى الأعزاء من الفرقة الاولى تربية كيمياء وأحياء سوف تحتوى المحاضرة الأخيرة على : * الكشف عن وجود العناصر فى وجود عناصر أخرى من مجموعات مختلفة * مسائل على الكيمياء العامة والوصفية * مراجعة العناوين الرئيسية لفرعى المادة Read more

2018-12-15 09:53:13
العناوين الرئيسية لمادة الكيمياء عضو معدنية المحاضرة الثامنة للفرقة الرابعة علوم
لطلابى الاعزاء طلاب الفرقة الرابعة علوم اليكم العناوين الرئيسية للمحاضرة الثامنة فى الكيمياء عضو معدنية لتسهل المتابعة 1- EAN rule for different organometallic compounds. 2- Catalytic applications of organometallic compounds Read more

2018-12-14 09:17:52
العنواين الرئيسة للمحاضرة العاشرة للفرقة الثالثة تربية كيمياء
لطلابى الأعزاء من الفرقة الثالثة تربية كيمياء اليكم العنواين الرئيسة للمحاضرة العاشرة 1- الخواص العامة لعائلة البلاتين 2-أنواع البلاتين 3-حالات التكافؤ المختلفة 4- الأهمية والاستخدامات Read more

Novel Di- and Tri-azomethine Compounds as Chemo Sensors for the Detection of Various Metal Ions
In this study, HNA imine compound was synthesized by a simple one-pot condensation of 2-hydroxy-1-naphthaldhide with 2-amino benzoic acid in 1:1 ratio and HNAP imine compound derived from 2-hydroxynaphthaldhide and 3-amino pyridine. Results of the newly synthesized compounds established by elemental analyses, FT-IR, 1H-NMR, 13C-NMR and electronic spectral studies experiments were consistent with their chemical structures. The theoretical DFT calculations ... Read more

A comparative study for the effect of nano-sized Moringa oleifera and Delonix regia for removal heavy ions from water
The ability of natural biosorbents for removing heavy metal ionswere investigated by studying the effect of nano sized _Delonixregia _and _Moringa__ oleifera_on adsorption of Cd2+and Pb2+ions from aqueous solution. The investigated biosorbents (_Delonixregia_and _Moringa__oleifera)_ were characterized by FT-IR, SEM, TEM, XRD and EDS techniques.The influence of pH, temperature, adsorbent dosage, contact time and initial metal ion concentration on adsorption process ... Read more

Design, Synthesis, Characterization and biological application of some new Schiff Base Cu(II), Pd(II) and Ag(I) Complexes
In this investigation, new Cu(II), Pd(II) and Ag(I) complexes with the tetra-dentate DSPH Schiff base ligand were synthesized. The DSPH Schiff base and its complexes were characterized by using different physicochemical and spectral analysis. The results revealed that the metal ions coordinated with DSPH ligand through azomethine nitrogen and phenolic oxygen. Cu(II), Pd(II) and Ag(I) complexes are present in a ... Read more

New palladium (II) and silver (I) Schiff base complexes Promising antibiotic and anticancer agents
Some new complexes derived from Ag (I) and Pd(II) metal ions and HNA imine ligand (L) _i.e. _(2-[(6-Allylidene-2-hydroxy-cyclohexa-1,3-dienylmethylene)-amino]-benzoic acid) have been synthesized and characterized by elemental analyses, molar conductance, magnetic susceptibility measurements, IR, NMR and electronic spectral studies. Moreover, the stability constants of the synthesized complexes were determined spectrophotometrically. On the basis of molar conductance and elemental analyses the complexes ... Read more

Synthesis, Characterization and Biological Studies of Some new Cr(III), Fe(III) and Cu(II) Complexes based on Multi-Substituted  Aryl Imidazole ligand
New Cr (III), Fe (III) and Cu (II) complexes with MSBB (2‐(1‐butyl‐4,5 diphenyl‐1H‐imidazol‐2‐yl)(4-bromophenol) were synthesized. The multi-substituted aryl imidazole ligand (MSBB) and its complexes were characterized by using elemental and thermal analysis, molar conductivity, magnetic susceptibility, UV-Vis spectral data, IR, and NMR. The obtained data showed that prepared complexes were 1 :1 (metal : ligand) ratio, octahedral (Oh) for all ... Read more

2019-01-07 09:29:12 | Transition elements
طيف انتقال الشحنة
اشرح ظاهرة طيف انتقال الشحنة كمصدر للون فى اعناصر الانتقالية مع ذكر أمثلة؟ Read more

2018-12-30 16:35:25 | Organometallic Chemistry
Stability of Organometallic compounds2
Put true or false Cyclopentadiene is more stable than cyclopentadienyl in their organometallic compounds ( ) Read more

2018-12-30 16:03:10 | Organometallic Chemistry
metal-bound arene ring
WHICH OF THE FOLLOWING STATEMENTS IS CORRECT ABOUT THE METAL-BOUND ARENE RING IN (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? a- The metal-bound ring is more susceptible to attack by electrophiles than free C6H6 b- The metal-bound ring is more susceptible to attack by nucleophiles than free C6H6 c- The metal-bound ring readily undergoes addition reactions, whereas free ... Read more

2018-12-28 14:19:15 | Advanced coordination chemistry
Δ0 changes 
Describe how Δ0 changes withe change of the oxidation state of central metal ion in complexes? Read more

2018-12-28 10:07:33 | Advanced coordination chemistry
Stability of complexes
How chelation participates on the stability of complexes? Read more