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Physical Sciences, Life Science and Engineering
ISSN : -     EISSN : 30319021     DOI : https://doi.org.10.47134/pslse
Explore the Physical Sciences, Life Science and Engineering. This section accommodates research papers that aim to present the practical aspects of certain theoretical hypotheses reflected through empirical approach to problemsolving, systematic methodology that guarantee the validity of research results, expert opinions, sophisticated utilization of devices in a variety of field of studies such as in physics, geography and engineering. Focus and Scope: Remote Sensing, Chemistry, Cartography, Geographic Information Systems, Astrophysics, Nuclear Physics, Applied Physics, Geophysics, Applied Mathematics, Environmental Science, Geology, Astronomy, Earth, Science, Aerospace, Computer Science, Applied Engineering and Material Science.
Articles 3 Documents
Search results for , issue "Vol. 2 No. 4 (2025): September" : 3 Documents clear
Synthesis of New Phosphine-Containing Hg Complexes Derived from 2-Thiouracil and Evaluation of Their Biological Activity Mohammed, Lubna Waleed; Mohammed, Sabah Farhan; Sulaiman, Maha Mohammed; Saleh, Mohammed Jwher; Saleh, Jamil Nadhem; Ali, Marwan Hasan
Physical Sciences, Life Science and Engineering Vol. 2 No. 4 (2025): September
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i4.462

Abstract

The study involved the formation of several new mercury complexes by reacting 2-thiouracil with mercury chloride and sodium hydroxide to yield the mercury complex L1. This reaction was considered the basis for preparing other complexes, as it reacts with two moles of triphenylphosphine (PPh3) to form complex L2, and through the reaction of complex L1 with bis(diphenylphosphanyl)methane (dppm) to create complex L3, and with 1,2-bis(diphenylphosphanyl)ethane (dppe) to form complex L4, and with 1,3-bis(diphenylphosphanyl)propane (dppp) to form complex L5. The validity of the prepared complexes was confirmed through spectral measurements, including the infrared spectrum and the proton and phosphorus nuclear magnetic resonance spectra. The presence of new bands in the infrared spectrum, such as the (Hg-N) and (Hg-O) bands, provided evidence of a bond. Mercury with thiouracil as between the bands belonging to (P-Ph) and (C-P), proof of the association of phosphine with the metal, and between the 1H-NMR spectrum, there are signals belonging to the benzene ring in phosphine, and this was confirmed by their complements, which were identical to the protons of the benzene rings. Between the 31P-NMR spectrum, there is a single signal indicating that the association is double in phosphine with the presence of one isomer of the complexes. The effectiveness of the prepared complexes was tested on two types of bacteria, positive and negative, using the antibiotic amoxicillin as a control sample. The confounders showed a direct relationship with the concentration, and the L2 complex showed the highest effectiveness against the two types of bacteria studied.
Assessment Oxidative Stress and Antioxidants in Hypothyroidism Patients Before and After Treatment Ali_Samarrai, Nuha Ali Hadi; Zanzal, Rana Raad; Wasmi, Mays Subhi
Physical Sciences, Life Science and Engineering Vol. 2 No. 4 (2025): September
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i4.465

Abstract

Thyroid hormones influence the majority of bodily functions by directly impacting various physiological processes and the operation of numerous tissues. They are essential for the operation of other hormones. Aim of the study : Assessment level of glutathione (GSH), glutathione peroxidase (GSH-PX), and malondialdehyde (MDA), ,Thyroxine (T4) and triiodothyronine (T3),and lipid profile in hypothyroidism women before and after treatment with levothyroxine. Materials and methods: 60 patients (before and after taking Levothyroxine treatment) and 30 control group were selected for the study. The study sample was selected from (15-54) years for the period from the end of September 2024 to the beginning of March 2025. The peak age of women with hypothyroidism was between (35-54) years, and its percentage reached 40%. Samples were taken from people who visit specialists in outpatient clinics and health centers in Samarra city. Result: The serum levels of GSH, GSH-PX, and MDA in hypothyroid patients before and after treatment were significantly distinct from those in the control group (p < 0.001). The lipid profiles, including total cholesterol, triglycerides, low-density lipoprotein (LDL) cholesterol, and high-density lipoprotein (HDL) cholesterol, in the serum of hypothyroid patients exhibited significant differences from those of the control group before and after treatment (p = 0.01). Thyroid hormone levels (TSH, T3, and T4) exhibited a substantial rise (p < 0.01) in the serum of hypothyroid patients pre- and post-treatment in comparison to the control group. Conclusion: The current study concluded increase MDA in patient with hypothyroidism before treatment, while decrease after treatment. In contrast decrease both GSH, GSH-PX, and HDL in in patient with hypothyroidism before treatment, while increase after treatment
The Application of Lean Construction uses the Borda Method and the Root Cause Analysis Method (Case Study: Sunrise Mall 2 Construction) Rahadian, Reza; Putra, I
Physical Sciences, Life Science and Engineering Vol. 2 No. 4 (2025): September
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i4.521

Abstract

The construction industry often faces challenges such as delays, cost overruns, and waste. This research aims to improve the efficiency of mall construction projects using lean construction principles. The methods applied include borda method for prioritization, pareto method for identification of the dominant cause of the problem, root cause analysis (RCA) method to analyze the root of the problem and fishbone diagram to visualize the root cause of the problem. The case study was conducted on an ongoing mall construction project. Data were collected through field observations, interviews with relevant parties, and analysis of project documents. The results show that the application of the borda method helps identify the factors that have the most influence on project efficiency, the pareto method focuses attention on 20% of the main causes of problems that contribute 80% to inefficiency, and the RCA method uncovers the underlying root causes. Based on the calculation results, it was found that the most common waste parameter and their sub-parameter were overprocessing with the sub-parameter “Repair”; overproduction with the sub-parameter “Design change”; motion with the sub-parameter “No special storage”; defects with the sub-parameter “Suitability/adequacy of heavy equipment used” waiting with the sub-parameter “Delay in material arrival at project site”.

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