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20312024
Article
Visual representation of selected Malaysian political trolling on social media: Disclose the ideology and power
Md Zahril Nizam Md Yusoff
—The visual variety involving internet political trolling in Malaysia also adds to and impacts the audience's awareness of this resource. The existence of internet trolling encourages the audience's openness to give diverse responses and perceptions in politics in Malaysia. Thus, these responses and views will have a big impact on anything that is depicted visually, especially on social media. This study examines the ideology and power behind visual internet trolling on social media. For this purpose, the research methodology applies a qualitative approach based on visual content. Social media such as Twitter is used as the medium and unit of analysis of this study in visual sources. Adaptation of the theory uses Fairclough's (1995) critical discourse analysis and Visual Semiotics Theory by Kress and van Leeuwen (1996) in studying selected visual trolling. By using a combination and adaptation of these theories, visual ideology, and power can be best unraveled. The results of the stu.....

402 hits

20322024
Article
Formal and informal institutional factors and women entrepreneurship in Egypt: A qualitative perspective
Rosfizah Md Taib
This paper aims to identify the constrains faced by female entrepreneurs in Egypt. This study also intends to examine the influence of formal and informal institutional factors on women’s entry into entrepreneurship in Egypt. In addition, to explore the factors enable women entrepreneurs to overcome the barriers they may face. The qualitative research approach was adopted in the study to explore the challenges experienced by Egyptian female entrepreneurs. Purposeful sampling was employed and twenty-five (25) women entrepreneurs were selected from five Egyptian governorates to conduct semi-structured interviews to collect primary data. The findings indicated that the main constraints faced Egyptian women entrepreneurs arise from difficulty in raising capital, socio-culture commitments, sexual harassment, work-family conflict and lack of managerial skills. The study found factors such family-husband support, religious values, personal traits and technological skills are crucial for ove.....

608 hits

20332024
Article
Quantitative assessment of Hurricane Ian's damage on urban vegetation dynamics utilizing Landsat 9 in Fort Myers, Florida
Zullyadini A. Rahaman
Florida's unique climatic and geographical features have profoundly influenced its hurricane history. This study quantitatively examines the effects of Hurricane Ian on urban vegetation in Fort Myers, Florida, using remote sensing data. We analyzed pre- and post-hurricane vegetation indices, including NDVI (Normalized Difference Vegetation Index), ARVI (Atmospherically Resistant Vegetation Index), and SAVI (Soil-Adjusted Vegetation Index). Our findings reveal varied spatial impacts, with NDVI changes ranging from −0.03 to 0.333, ARVI changes from −0.016 to 0.25, and SAVI changes from −0.04 to 0.5. Negative values indicate vegetation damage, while positive values suggest resilience or recovery. The study area experienced a 63.75% reduction in vegetation cover, from 67.10 km2 before Hurricane Ian to 24.325 km2 after. Pre-hurricane NDVI ranged from −0.2298 to 0.5663, while post-hurricane values ranged from −0.189 to 0.521, indicating overall vegetation stress. ARVI maxima decrea.....

201 hits

20342024
Article
Leveraging machine learning algorithms in dynamic modeling of urban expansion, surface heat islands, and carbon storage for sustainable environmental management in coastal ecosystems
Zullyadini A. Rahaman
Climate change and rapid urbanization are dramatically altering coastal ecosystems worldwide, with significant implications for land surface temperatures (LST) and carbon stock concentration (CSC). This study investigates the impacts of day and night time LST dynamics on CSC in Cox's Bazar, Bangladesh, from 1996 to 2021, with future projections to 2041. Using Landsat and MODIS imagery, we found that mean daytime LST increased by 3.57 °C over the 25-year period, while nighttime LST showed a slight decrease of 0.05 °C. Concurrently, areas with no carbon storage increased by 355.78%, while high and very high CSC zones declined by 14.15% and 47.78%, respectively. The Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) model estimated a 28.64 km2 reduction in high CSC areas from 1996 to 2021. Statistical analysis revealed strong negative correlations between LST and vegetation indices (R2 = −0.795 to −0.842, p < 0.001) and positive correlations with built-up indices (R2 .....

249 hits

20352024
Article
The effects of medicine ball training on batting velocity in female collegiate softball players
Ali Md Nadzalan
Softball batting performance, characterised by bat velocity and rotational strength, is crucial for competitive success. This study explores the effect of medicine ball training, a widely used yet understudied method, on these key performance metrics. This study examines the impact of an 8-week medicine ball training program on torso rotation strength and batting velocity in female collegiate softball players. Forty participants were divided into a control group and a medicine ball group, performing 100 bat swings thrice weekly. Additionally, the medicine ball group undertook full-body medicine ball exercises thrice weekly. Results showed a significant main effect, F(1, 38) = 5.00, p = 0.03, partial eta squared = 0.12 for torso rotation strength test and F(1, 38) = 4.01, p = 0.05, partial eta squared = 0.10 for batting velocity, signifying there is a difference in the effectiveness of the two training approaches. Pre- and post-intervention tests showed significant improvements in both .....

670 hits

20362024
Article
In silico and MS/MS-Based approaches to investigate protein-protein interaction networks in staphylococcus aureus biofilm
Hamidah Idris
Staphylococcus aureus is a Gram-positive pathogen inhabiting soft tissues like the epidermis and nasal cavity. Currently, there is limited knowledge of the protein-protein interaction (PPI) networks in S. aureus biofilm. The present study aimed to characterize S. aureus proteins and their interaction networks using an in silico approach and to identify the proteins expressed in S. aureus biofilm using tandem mass spectrometry. Initially, a preliminary characterization of the PPI networks in S. aureus was conducted using the STRING 12.0 database. Subsequently, S. aureus biofilm was developed in a 6-well microplate and harvested at 6 h, 12 h, 18 h, and 24 h. The expression of proteins in S. aureus biofilm was determined using a combination of one-dimensional SDSPAGE and HPLC-ESI-MS/MS. The in silico results demonstrated that 147 biological processes, 46 molecular functions, 17 cellular components, and 15 biological pathways were significantly enriched (p ..

254 hits

20372024
Article
Triterpenoids from Swietenia mahagoni L Jacq. And their cytotoxic activity against MCF-7 breast cancer and CV-1 normal kidney cell lines
Mohd Azlan Nafiah
Triterpenoid is a group of natural products with various remarkable activities, including cytotoxic. One of the sources for this type of compounds is Swietenia genus belong to Meliaceae family. This genus known to contains various secondary metabolites including limonoids, flavonoids, and triterpenoids. Especially for triterpenoid, there is limited report on isolation as well as biological activity from Swietenia genus, such as Swietenia mahagoni. In this research, three triterpenoid compounds have been successively isolated and identified from n-hexane extract, namely, (-)-leucophyllone (1), toonaciliatavarin E (2), and moronic acid (3). All isolated were assed against MCF-7 breast cancer and CV-1 normal kidney cell lines. The result showed that only moronic acid (3) performed moderate activity against two cells with IC50 of 63.10 and 48.04 µM, respectively. The other isolated compounds (1 and 2) showed weak cytotoxicity with IC50 > 500 µM. Based on preliminary structure activity re.....

213 hits

20382024
Article
The urban air quality nexus: Assessing the interplay of land cover change and air pollution in emerging South Asian cities
Zullyadini A. Rahaman
Air quality degradation presents a significant public health challenge, particularly in rapidly urbanizing regions where changes in land use/land cover (LULC) can dramatically influence pollution levels. This study investigates the association between LULC changes and air pollution (AP) in the five fastest-growing cities of Bangladesh from 1998 to 2021. Leveraging satellite data from Landsat and Sentinel-5P, the analysis reveals a substantial increase in urban areas and sparse vegetation, with declines in dense vegetation and water bodies over this period. Urban expansion was most pronounced in Sylhet (22–254%), while Khulna experienced the largest increase in sparse vegetation (2–124%). Dense vegetation loss was highest in Dhaka (20–77%) and water bodies (9–59%) over this period. Concentrations of six major air pollutants (APTs) - aerosol index, CO, HCHO, NO2, O3, and SO2 - were quantified, showing alarmingly high levels in densely populated industrial and commercial zones. Pe.....

232 hits

20392024
Article
Hot extraction of curcuma xanthorrhiza and its application as textile natural dyes
Arasinah Kamis
This study explored the utilisation of Curcuma xanthorrhiza extract as a natural dye for cotton fabric, assessing its effects on colour intensity and colour permanence. The study utilised different mordanting techniques, such as pre mordanting, meta mordanting, and post mordanting, using ferrous sulphate, soda ash, and alum. The colour strength data demonstrated different levels of efficacy, with meta mordanting displaying the most profound and vibrant coloration, followed by post mordanting and pre mordanting. The results exhibited exceptional colour fastness when using ferrous sulphate as a post mordant, whereas pre mordanting and meta mordanting generated very good results. The colour fastness of dyed cotton fabric is directly influenced by the mordanting processes. The sequence of colour fastness, ranging from exceptional to very good, highlights the importance of mordanting in enhancing the stability and durability of the fabric. The interactions of Curcuma xanthorrhiza extract, m.....

283 hits

20402024
Article
Development of e-learning ethno socioscientific issues (ESSI) "waste and its handling" to empower students
Mohd Fauzi Sedon @ M. Dom
This research aims to develop ethno socioscientific issues (ESsI) e-learning to empower students' creative thinking abilities. The design-based research (DBR) method consists of 4 steps, namely, analysis of e-learning needs, design planning, development, and reflection on results. The research subjects were high school students in the experimental group and control group. Collect pre-test and posttest data on creative thinking abilities, teacher and student response questionnaires. The data analysis technique uses the prerequisite tests for normality, homogeneity, and t-test hypothesis testing. The research results show that the development of ESsI e-learning meets the criteria of being valid, practical, and effective in empowering creative thinking skills. The practicality of ESsI e-learning through student and teacher responses is in a good category, meaning it is easy to use the product developed. Based on the t-test, there are differences in the results of the creative thinking ski.....

428 hits

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