The Scientific World Journal最新文献

{"title":"Effect of Presowing Treatments on Seed Germination and Growth Performance of 1-Year <i>Lagerstroemia speciosa</i> (L.) Pers Seedlings in Northeast India.","authors":"Faisal Ismail Musa, Uttam Kumar Sahoo","doi":"10.1155/tswj/8127830","DOIUrl":"10.1155/tswj/8127830","url":null,"abstract":"<p><p><i>Lagerstroemia speciosa</i> (L.) Pers (Lythraceae family), called pride of India, is an important ornamental and medicinal plant having a very high demand for its fruits. Six presowing treatments, that is, hot water, cold treatment, cow dung, H₂SO₄, gibberellic acid (GA₃), and scarification, were used to evaluate the effect of treatments on seed germination, mean germination time, and germination energy and monitor the growth performance of seedling as well as seedling quality index of <i>L. speciosa</i>. Among the different treatments, hot water recorded the highest germination percentage (51.95%). However, minimum mean germination time was achieved by H₂SO₄ treatment (21.17 days). Additionally, a significant difference (<i>p</i> < 0.05) was observed in germination rate among treatments and the number of seeds germinated per day among treatments. The mean seedling height of <i>L. speciosa</i> reached a maximum height of 104 cm and a diameter of 10.67 mm in 1 year. We found a strong relation between seedling height and soil temperature (<i>r</i> = 0.56) and between seedling characteristics and biomass parameters, while there was a negative correlation with the total percentage of water content. The Dickson quality index of the seedlings was found to be 2.68. Our findings recommend hot water as the best treatment for ensuring quality seedlings, and seedlings of 1 year is sufficiently robust for large-scale afforestation and reforestation programs.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"8127830"},"PeriodicalIF":0.0,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12069847/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the Influence of Ellipticity on the Purcell and Quality Factors in Planar-Elliptical Bragg Mirrors.","authors":"Sanaa Al-Sumaidae","doi":"10.1155/tswj/1033773","DOIUrl":"https://doi.org/10.1155/tswj/1033773","url":null,"abstract":"<p><p>High-quality factor <i>Q</i> and elliptical cross-section microcavity of small size are described. We present a numerical investigation of the performance of the elliptical microcavity. We design elliptical microcavities to control the emission rate of dipolar emitters and investigate how the ellipticity factor influences the Purcell and <i>Q</i>-factors. We demonstrate an enhancement of up to 16 × 10³ in the Purcell factor for TiO₂-based mirrors and 8 × 10³ for ZnS-based mirrors. A numerical study at 1550 nm also shows that an ellipticity factor (<i>ε</i> = 0.4) could significantly affect the Purcell and <i>Q</i>-factor. These benefits are expected to be even more persuasive in short wavelengths.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"1033773"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12061524/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144033135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nutrient Composition and Antinutritional Evaluation of Selected Wild Edible Plants Grown in Agroforestry of Simada District, Ethiopia.","authors":"Kindye Belaye Wassie","doi":"10.1155/tswj/3545895","DOIUrl":"https://doi.org/10.1155/tswj/3545895","url":null,"abstract":"<p><p>This investigation was carried out to evaluate the nutrient composition and antinutritional factors of five wild edible fruits <i>Embelia schimperi</i>, <i>Cordia africana</i>, <i>Ficus vasta</i>, <i>Mimusops kummel</i>, and <i>Syzygium guineense</i>. Proximate composition parameters (moisture, ash, crude fiber, crude fat, and crude protein) and antinutritional factors were evaluated using methods of the Association of Official Analytical Chemists and mineral analysis using the atomic absorption spectroscopy method. Microsoft Excel and Statistical Package for Social Sciences (SPSS Version 20) were used to analyze the data. Among the five wild edible fruit species, <i>Embelia schimperi</i> and <i>Cordia africana</i> had the highest fiber content (18 ± 0.03 g/100 g) and high protein content (8.7 ± 0.03 g/100 g), respectively. <i>Syzygium guineense</i> had the highest amount of moisture (16.3 ± 0.001 g/100 g), energy (320.58 ± 0.03 kcal/100 g), and carbohydrate content (76.72 g/100 g). <i>Embelia schimperi</i> was found to have the highest saponin content (2.1 mg/100 g). Oxalate content ranged from 0.46 mg/100 g in <i>Syzygium guineense</i> to 1.7 mg/100 g in <i>Cordia africana.</i> Mineral analysis showed that <i>Ficus vasta</i> had the highest Ca content (1015 mg/100 g), whereas the highest Zn content (38.6 mg/100 g) was investigated in <i>Embelia schimperi</i>. According to their recommended proximate and mineral contribution to daily nutrient requirements in humans, <i>Embelia schimperi</i>, <i>Cordia africana</i>, <i>Ficus vasta</i>, <i>Mimusops kummel</i>, and <i>Syzygium guineense</i> are sound in their dietary composition and in combating hunger especially in developing countries. More studies are vital to assess the nutritional composition and antinutritional quality of these wild edible plants and encourage farmers to cultivate in the agroforestry system.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"3545895"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12061528/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Severe Maternal Outcome in Women Admitted to an Obstetric Intensive Care Unit in the Northeast of Brazil: A Cross-Sectional Study.","authors":"Flávio Xavier da Silva, Ryta de Kássia Andrade Rufino, Micaelly Barbosa Padilha, Stephanie Karoline Santos Bezerra, Mario Diego Teles Correia, Leila Katz","doi":"10.1155/tswj/3559062","DOIUrl":"https://doi.org/10.1155/tswj/3559062","url":null,"abstract":"<p><p><b>Objective:</b> The objective of this study is to describe the characteristics of women who experienced severe maternal outcomes (SMO: maternal near-miss or maternal death) in an obstetric intensive care unit (ICU). <b>Methods:</b> A cross-sectional study was carried out including pregnant or postpartum women up to 42 days of childbirth admitted to the obstetric ICU at one reference centre in the northeast of Brazil, for any clinical, surgical, or obstetric complication, with data collected between October 29, 2018, and September 30, 2019. Maternal characteristics, details on admission to the ICU, pregnancy outcomes, and causes for ICU admission were compared between groups with SMO or with the remaining group, potential life-threatening conditions (PLTCs). A significance level of 5% was adopted. <b>Results:</b> During the study period, 309 women were admitted to the obstetric ICU and considered eligible for the study. SMO was observed in 150 (48.5%) of these women. Of these, 8 (2.6%) were maternal deaths, and 142 (45.9%) presented one or more near-miss criteria. Most women with a SMO were admitted for direct obstetric causes such as hypertensive syndromes, postpartum haemorrhage, or puerperal infection. SMO was associated more frequently with puerperal infection. <b>Conclusion:</b> SMO is a commonly occurring outcome in an obstetric ICU with great possibility of treatment. Direct obstetric causes such as hypertension syndromes, postpartum haemorrhage, and puerperal infection were the most prevalent causes in the development of this outcome. Puerperal infection was the condition most associated with SMO.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"3559062"},"PeriodicalIF":0.0,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055320/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploration of the Use of Traditional Herbs to Overcome Cough and Cold in Three Provinces of East Java Province.","authors":"Wiwied Ekasari, Retno Widyowati, Nazila D Kurnia, Akhmad Q Jayanegara, Atikah L Sari, Ram K Sahu","doi":"10.1155/tswj/1622754","DOIUrl":"https://doi.org/10.1155/tswj/1622754","url":null,"abstract":"<p><p>This study is aimed at documenting traditional practices in the use of medicinal plants to overcome cough and cold in three selected regions of East Java Province, by establishing the relative significance, consensus, and scope of all medicinal plants used. The survey on the use of medicinal plants was conducted in one subdistrict in each of the three selected regions in East Java Province, Indonesia. Ethnomedicine data were collected through semistructured interviews, group discussions, and guided field visits from 111 informants. Plant importance is calculated using indices such as use report (UR), family importance value (FIV), and use value (UV). A total of 32 traditional herbs for the treatment of coughs and 20 traditional herbs for the treatment of colds, made of 25 species belonging to 21 genera from 15 families, have been identified as having ethnomedicine significance. The highest FIV (63.96) in the treatment of coughs and colds was reported for Zingiberaceae. The most commonly cited types of medicinal plants are <i>Kaempferia galanga</i> (27 UR; 0.27 UV) for the treatment of coughs and <i>Zingiber officinale</i> (34 UR; 0.486 UV) for the treatment of colds. The findings of this study show the rich tradition of using medicinal plants and cultural knowledge of local communities in three selected regions of East Java Province. Thus, for the potential management and conservation strategy of plant genetic resources, recording traditional knowledge about medicinal plants and their practices is very important. This legacy of awareness about medicinal plants will pave the way for future drug discovery to improve global health care.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"1622754"},"PeriodicalIF":0.0,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12050156/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144035690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of Engineered Particle Size Distribution of Ordinary Portland Cement on Slag Supplemented Cement: A Comparative Performance Analysis With Commercial Portland Slag Cement.","authors":"Rajan Suresh Kamble, Krishnasetty Govindaraja Guptha, Ashish Kumar Nayak, Jagadish Vengala","doi":"10.1155/tswj/5442750","DOIUrl":"https://doi.org/10.1155/tswj/5442750","url":null,"abstract":"<p><p>This study explores the critical interplay between particle size distribution (PSD) and Bogue's compounds, highlighting their essential roles in enhancing the early strength of cement while ensuring sustainability. The research explores experimental procedures by subjecting commercial ordinary Portland cement (C-OPC) to a grinding process, resulting in a specific fineness of 5390 cm²/g, referred to as the \"stimulator (S)\". Blending this stimulator with standard C-OPC at a precisely calibrated 45% weight ratio (referred to as 'S45') demonstrates a refined approach to optimizing the PSD of the mixture. The results confirm the superior properties of the resulting slag cement blend, with engineered PSD serving as the central driver of these improvements. To broaden the study's scope, ground granulated blast furnace slag (GGBFS) is introduced as a supplementary cementitious material (SCM) and strategically combined with S45 in varying proportions. This systematic approach shows that the optimized blend of S45 and GGBFS outperforms commercial Portland slag cement (Com-PSC) and ushers in a new paradigm in cement formulation using SCMs. The findings underscore the significance of PSD in enhancing both the initial and long-term compressive strength of cement, with performance improvements evaluated over a period of up to 365 days. Importantly, the optimized approach enables the production of more sustainable cement without increasing production costs. This not only reduces the carbon footprint but also promotes a safer and more environmentally friendly industry. The research highlights a practical pathway for cement manufacturers to enhance the performance of slag cement, though the quality of slag remains dependent on its source. Future research aimed at developing comprehensive guidelines will provide valuable insights to further advance sustainable cement production.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"5442750"},"PeriodicalIF":0.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12048185/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143982920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trends in Hospitalization for Fall-Related Injuries in US Older Adults, 2001-2021.","authors":"Carlos H Orces","doi":"10.1155/tswj/8340466","DOIUrl":"https://doi.org/10.1155/tswj/8340466","url":null,"abstract":"<p><p><b>Introduction:</b> Fall-related injuries are a major public health problem affecting ageing populations. Although previous studies have reported increasing hospitalization rates for fall-related injuries in United States older adults, recent trends in hospitalization for these injuries have not been examined. Thus, the present study aimed to examine nationwide trends in hospitalization after emergency department (ED) visits for fall-related injuries. <b>Methods:</b> The National Electronic Injury Surveillance System-All Injury Program was used to estimate hospitalizations after ED visits for fall-related injuries in adults ≥ 65 years between 2001 and 2021. Joinpoint regression software V.5.0.2 was used to examine the average annual percent change in age- and sex-adjusted hospitalization rates according to type of injury, body parts, and traumatic brain injuries. <b>Results:</b> A total of 704,875 ED visits for fall-related injuries occurred in US older adults between 2001 and 2021. Of those 26.5% (95% CI: 26.3, 26.6) were hospitalized. Overall, women represented 59.2% (95% CI: 59.0, 59.5) of the hospitalizations and fractures were the leading type of injury. By sex, hospitalization rates in women annually increased on average by 2.5% (95% CI: 2.0, 3.0) and in men by 4.2% (95% CI: 3.6, 4.9). Similarly, fall-related fracture rates in men increased annually on average by 2.5% (95% CI: 1.9, 3.2) and in women by 1.5% (95% CI: 1.0, 2.2) during the study period. Notably, the highest increase in hospitalization rates during the study period occurred among older adults with traumatic brain injuries. <b>Conclusion:</b> Hospitalizations for fall-related injuries significantly increased in US older adults over the past two decades. The present findings underscore the importance of implementing effective community-based programs to prevent fall-related injuries.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"8340466"},"PeriodicalIF":0.0,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12033062/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143996215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the Impact of Selected Financial Indicators on Foreign Direct Investment in Bangladesh: A Nonlinear Modeling Approach.","authors":"Md Sifat Ar Salan, Akher Ali, Ruhul Amin, Afroza Sultana, Mahabuba Naznin, Mohammad Alamgir Kabir, Md Moyazzem Hossain","doi":"10.1155/tswj/4406958","DOIUrl":"https://doi.org/10.1155/tswj/4406958","url":null,"abstract":"<p><p><b>Background:</b> Foreign direct investment (FDI) is a steadfast contributor to capital flows and plays an indispensable role in driving economic advancement and emerging as a pivotal avenue for financing growth in Bangladesh. Therefore, this study identifies the factors that influence FDI inflows in Bangladesh. Moreover, the authors explored the more appropriate model for predicting FDI by comparing the efficacy of other models' predictions. <b>Methods:</b> This study is based on secondary data over the period 1973 to 2021 and collected from the publicly accessible website of the World Bank. A generalized additive model (GAM) was implemented for describing the proper splines. The model's performance was assessed using the modified <i>R</i>-squared, the Bayesian information criterion (BIC), and the Akaike information criterion (AIC). <b>Results:</b> Findings depict a significant nonlinear relationship between Bangladesh's FDI and key economic indicators, including GDP, trade openness, external debt, gross capital formation, gross national income (GNI) and government rates of exchange, total reserves, and total natural resource rent. It is also observed that the GAM (<i>R</i> ² = 0.987, <i>AIC</i> = 608.03, and <i>BIC</i> = 658.28) outperforms multiple linear regressions and polynomial regression in predicting FDI, emphasizing the superiority of GAM in capturing complex relationships and improving predictive accuracy. <b>Conclusion:</b> A nonlinear relationship is observed between FDI along with the covariates considered in this study. The authors believed that this study's findings would assist in taking efficient initiatives for FDI management and proactive economic indicator optimization to empower Bangladesh's economic resilience and foster sustainable growth. The analysis revealed that FDI and its related risk factors follow a nonlinear pattern. The study recommends using the GAM regression as a reliable method for predicting FDI in Bangladesh. The authors suggest that the findings can guide policymakers in developing strategies to increase FDI inflows, stimulate economic growth, and ensure sustainable economic development in Bangladesh.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"4406958"},"PeriodicalIF":0.0,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12031603/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144052545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vagal Splenic-Dependent Effects Influence Glucose Homeostasis, Insulin Secretion, and Histopathology of the Endocrine Pancreas in Hypothalamic Obese Male Rats: Vagus Nerve and Spleen Interactions Affect the Endocrine Pancreas.","authors":"Bruna Schumaker Siqueira, Ellen Carolina Zawoski Gomes, Thiago Rentz, Ananda Malta, Paulo Cezar de Freitas Mathias, Sandra Lucinei Balbo, Sabrina Grassiolli","doi":"10.1155/tswj/9910997","DOIUrl":"https://doi.org/10.1155/tswj/9910997","url":null,"abstract":"<p><p>Vagus nerve (VN) and spleen dysfunctions are often associated with obesity (Ob). <b>Aim:</b> We evaluated the effects of VN and spleen ablation on adiposity, metabolism, and insulin secretion in hypothalamic obese male rats. <b>Methods:</b> Ob was induced by neonatal subcutaneous injection of monosodium glutamate (4 g/kg). At 60 days of life, Ob animals were randomly distributed into four groups (<i>n</i> = 16 rats/group): sham operation (SHAM), vagotomy (VAG), splenectomy (SPL), and VAG + SPL. Body weight and food intake were monitored for 8 weeks postsurgery. Intraperitoneal glucose tolerance test (ipGTT) and intraperitoneal pyruvate tolerance test (ipPTT) were performed at 148 days of life, and VN activity was recorded at 150 days. After euthanasia (150 days), adiposity, plasma biochemical parameters, glucose-induced insulin secretion (GIIS), and cholinergic and adrenergic islet responsiveness were evaluated. The pancreas was submitted for histopathological analysis, and the protein content of OXPHOS and IL-10 was evaluated in isolated pancreatic islets. <b>Results:</b> Decreased VN activity was confirmed in the Ob-VAG groups, associated with lower visceral adiposity, triglycerides, and plasma insulin, together with improved insulin sensibility and pyruvate tolerance, compared to Ob-SHAM rats. Spleen absence reduced VN activity and cholinergic insulinotropic responses, with deleterious effects on the endocrine pancreas. Furthermore, Ob-VAG + SPL rats presented greater reductions in GIIS and more severe endocrine pancreas histopathology, compared to the Ob-SHAM group, without altered islet size or number or protein content of OXPHOS or IL-10. <b>Conclusion:</b> Vagal and splenic interactions contribute to glucose homeostasis control in hypothalamic obese rats, modulating insulin secretion and pancreas histology.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"9910997"},"PeriodicalIF":0.0,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12021492/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144000512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Isolation and Identification of Black Oil-Degrading Bacteria From Lubricant-Contaminated Soil in Northern Baghdad, Iraq.","authors":"Zeena Ghazi Faisal, Mohannad Mohammed Jameel, Othman Abbas Abdullah","doi":"10.1155/tswj/4009105","DOIUrl":"https://doi.org/10.1155/tswj/4009105","url":null,"abstract":"<p><p>Black oil is a refined petroleum product that poses a significant environmental risk. It contains complex multihydrocarbons that decompose slowly, so black oil remains in the environment for a long time, causing various toxic effects. This study isolates and identifies an indigenous bacterium from soil samples contaminated with waste lubricating oil and evaluates its potential for degrading black crude oil. Twelve species of black oil-degrading bacteria were isolated from six soil samples of automobile and motorcycle workshops in the Al-Tarmiyah District of Baghdad, Iraq. Isolated bacteria were identified based on morphological and VITEK 2 system as <i>Pseudomonas aeruginosa</i>, <i>Bacillus cereus</i>, <i>Burkholderia cepacia</i>, <i>Pseudomonas fluorescens</i>, <i>Acinetobacter lwoffii</i>, <i>Acinetobacter radioresistens</i>, <i>Stenotrophomonas maltophilia</i>, and <i>Streptococcus parasanguinis</i>. Among these, based on the measurement of optical density and chromatogram analysis, <i>B. cereus</i> exhibited the maximum efficiency in degrading black oil, followed by <i>P. aeruginosa</i>. Therefore, these indigenous bacteria have the potential to be used in black oil removal from contaminated sites and the expansion of bioremediation approaches.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2025 ","pages":"4009105"},"PeriodicalIF":0.0,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12011454/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144061720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}