Bio
Dr. Thualfeqar G Mohammed is a dedicated researcher and academic currently serving as the Head of the Biochemistry Department at the Faculty of Medicine, University of Kufa in Najaf, Iraq. He is also a PhD candidate at Mississippi State University, where his doctoral research focuses on advanced biochemistry, clinical chemistry, and proteomics. Dr. Mohammed's work spans a diverse range of topics, from the relevance of sex hormones in male infertility to the synthesis of isocyanate-free polyurethane materials and zirconium-containing mesoporous catalysts. His publications have been cited nearly 50 times, reflecting an emerging impact in the fields of biochemistry and materials science. With a strong international profile, he holds affiliations with institutions in Iraq, Malaysia, and the United States, and maintains active academic identifiers including ORCID, Scopus, and Web of Science.
Educational Journey
University of Kufa & Mississippi State University
PhD Candidate at Mississippi State University • Chemistry, Biochemistry, Clinical Chemistry, & Proteomics
Mississippi State University
Biochemistry • Biochemistry
Experience
Kufa University / Iraq-Najaf-Kufa
Head of Biochemistry Department | Faculty of Medicine
2026 - Present • BiochemistryMississippi State University
0 - Present • BiochemistryResearch
Synthesisof Zirconium Containing Mesoporous Material for the Efficient Catalytic Esterification of Benzyl Alcohol and Acetic Acid
This research focuses on the synthesis of metalcontainin gmesoporous silica for catalytic esterification of benzyl alcohol with acetic acid. In this study Zr-containing MCM-41 with different molar ratios of Si/Zr were synthesized successfully. It is observed that the structural ordering of Zr- MCM-41varies with the Si/Zr ratio, and highly ordered mesoporous molecular sieves could be obtained for a Si/Zr molar ratio larger than 5. Calcination may significantly improve the structural regularity. In esterification reaction of benzyl alcohol with acetic acid, the benzyl alcohol conversion over all the Zr-MCM-41catalysts linearly increases with increasing the reaction temperature and selectivity to benzyl acetate was 100 %. The molar ratios of reactants also were investigated for final product yield; the molar ratio of acetic acid to benzyl alcohol can be 2:1 for high yield.
Synthesis and Applications of Isocyanate Free Polyurethane Materials
The manufacture of conventional polyurethanes include the use of isocyanates, which in turn require using toxic and hazardous phosgene. The safety devices are necessary to prepare these monomers. Therefore, the huge investment is inevitable for this process. Also, these monomers cannot be considered as environmentally friendly chemicals. The increasing global awareness for protection of environment from chemical pollutants has created a necessary demand for environmentally benign products. The reaction of cyclic carbonates (polycarbonates) with amines results in formation of hydroxyurethanes that can be taken into account as a unique reaction. This specific reaction has been investigated over last few years. Most chemists have been strongly attracted by this technique that is due to its potential application to prepare the green, non-toxic, non-sensitive towards moisture isocyanate free polyurethanes. This review is focused on the variety of catalysts used to prepare isocyanate free polyurethanes from five membered cyclic polycarbonates. Also, the reaction mechanism and kinetics for their synthesis have been discussed. In this review, the six-membered cyclic carbonates depicted the higher reactivity rather than five-membered cyclic carbonates for production of non-isocyanate polyurethanes. The various functions of isocyanate free polyurethanes in different fields such as coatings, construction and bio-composites have been summarized.
Calculation of Proton range in Some Organic Compounds Energies (1000-100000)keV
Theoretical study have been done to calculated the Range for protons in ten organic compounds which is: [ polypropylene(C3H6) ,Polycarbonate (C16H14O3), Mylar (C10H8O4), Polyvinylalcohol (C2H4O), Polyoxymethylene (CH2O), by using SRIM2013 program written by Mathlab language. the range calculated to protons for energy (1000-100000) keV , by using fitting equations and the semi empirical equation (Devise two equation), and we calculated the rate error and correlation coefficient betweenRange(SRIM) and Range(semi-emp) as seen in tables by using Excel program. The results are agreed with the SRIM 2013 program, so our results showed to be good.
Ribonuclease (RNase) Activity as a Marker to Predict Ovarian Tumors
Background : Ribonuclease (RNase) are widely distributed in various organs and body fluids, including serum, urine, saliva, and cerebrospinal fluid. Small amounts of extracellular (( exocrine)) forms of this enzyme are secreted by the normal human pancreases into the gut, have observed increased levels of serum RNase in a series of patients with cancer of ovary. They have suggested that this might represent increased enzyme synthesis by proliferating tumor cell within the ovary. Objective : The aim of this study was to evaluate acid and alkaline RNase activities in serum of women presented with benign and malignant ovarian tumors with respect to these of healthy women. Method : A total of twenty nine women patients (15 women with benign ovarian tumor and 14 women with malignant ovarian tumors) were included.. Their age were 28-60 years the two groups were compared with a group of age matched (16 healthy women). Five milliliter of blood samples were obtained from patients by vein puncture just before surgery, as well as the from healthy women. Protein concentration was determined for patients and healthy individuals, and RNase activity for both the acid and alkaline forms were estimated by spectrophotometric methods with yeast RNase as the substrate. Results : Results revealed that patients group with ovarian malignancy had significant increase(p<0001) in both serum alkaline and acid RNase activity when compared with patients of benign tumors and the control group. There were significant (p<0.05).increases in serum alkaline and acid RNase specific activities, in women with ovarian cancer when compared with women of benign tumors and the control group. Conclusion : Estimation of alkaline and acid RNase activity is a promising approach for the detecting of ovarian cancer.
Relevance of Sex Hormones Levels with Spermogram of Infertile Men
Infertility is the inability of a sexually active, noncontracepting couple to achieve pregnancy in one year. The causes of male infertility include, the testicular primary failure, deficient gonadotropin secretion or due to unexplained causes. The present study was conducted to verify the relationship of male sex hormones changes with spermogram. To achieve this aim 75 infertile men with ages of 30.9±5.8 y and 35 fertile men with ages of 31.5±6.3 y (control group) were enrolled and the prevalence and pattern of endocrinological abnormalities in the patients were investigated for male infertility who attending the Central Public Health Laboratories Department of Hormones and Kamal ALSamaraie hospital period from September 2009 to April 2010.
