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Antimicrobial Effect of Bacillus Spp. on MRSA Samarah Jafar Alwash; Zahraa A. Jabur; Maha Mohammad; Saad Sabah Fakhry; Farqad Farhan Abdulhammed
Journal of Global Pharma Technology Vol. 9 Issue 7 : 2017
Publisher : Journal of Global Pharma Technology

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Abstract

There are many antimicrobial peptides produced by Bacillus species, which have a bacteriostatic and/or bactericidal activity. The aim of this study is to investigate the antimicrobial activity of Bacillus spp. against methicillin-resistant Staphylococcus aureus (MRSA) by analyzing 59 Bacillus spp. isolated from rice and spices using the agar well diffusion method in terms of their general inhibition effects on some MRSA isolates. Nine isolates were found to be effective against MRSA and their effects were compared with some antibiotics. The study showed that many Bacillus spp. has antimicrobial effect against MRSA3 which is resistant to all antibiotics except vancomycin. It has been found that Bacillus lentus is more effective against MRSA when compared with some antibiotics. Further studies may be required to assess the use of Bacillus lentus as therapeutic and bio preservative in food processing industry.Keywords: MRSA, Bacillus lentus, Antimicrobial peptides, Antibiotic, API-CHB-50.
The Synthetic Strategy and its Role to developing the Mathematical Creative Thinking Skills Hind Salem; Azaa Kindi; Maha Mohammad; Zahraa Hamad; Tashtoush, Mohammad
International Journal of Multidisciplinary Sciences and Arts Vol. 2 No. 2 (2023): International Journal of Multidisciplinary Sciences and Arts, Article April 202
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/ijmdsa.v2i1.2485

Abstract

This study aimed to investigate the role of the Synthetic Strategy on the development of mathematical creative thinking skills. The study sample consisted of (46) eighth-grade female students who were divided into two groups: an experimental group of (24) students taught linear equations using the Synthetic strategy, and a control group of (22) students taught using the traditional method. An experimental approach was employed, and a test for mathematical creative thinking was prepared. A pre-test and post-test were administered to both study groups, and their validity and reliability were confirmed. The Synthetic strategy was applied to teach solving linear equations. The results revealed a difference in the level of mathematical creative thinking in favor of the experimental group, and statistically significant differences were found between the mean scores of the two groups in mathematical creative thinking skills, which were attributed to the teaching strategy and in favor of the Synthetic strategy. Finally, the study recommended using the Synthetic strategy to teach linear equation and diversifying teaching strategies. It also suggested conducting further studies and research to explore the impact of different teaching strategies on the development of mathematical creative thinking skills.