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23 articles for “Usman”
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Research ArticleOpen accessIn the author namesBioethanol Production from Graminoid Weeds in Bayero University Kano: A Potential Feedstock for Future Sustainable Aviation Fuel ApplicationsAdam Salihu Kila, Sa’idu Hassan Musa, Umar Aliyu Ahmed et al.This study evaluates the potential of selected graminoid weeds from Bayero University, Kano (BUK), Nigeria, as feedstock for bioethanol production. Ten (10) abundant weed species, including Cenchrus species, Cynodon dactylon, and Setaria barbata, were subjected to physicochemical pretreatment (ultrasonication, hydrothermal treatment, and enzymatic hydrolysis) followed by fermentation using Bacillus subtilis, Saccharomyces cerevisiae, and their co-culture. Pretreatment significantly enhanced reducing sugar … …Energy Research Journal, Vol. 15, Issue 1 · 15 Jul 2026 · 1,181 accessesView PDFCite
Research ArticleOpen accessIn the author namesGenetic Diversity of Leifsonia xyli Subsp. xyli Causing Ratoon Stunting Diseases of Sugarcane in Indonesia Using Intergenic Spacer Region Sequence AnalysisSisca Prayudani Usman, Abdul Latief Abadi et al.Leifsonia xyli subsp xyli (Lxx) is the cause of Ratoon Stunting Disease (RSD) on sugarcane and it considers as a quarantine pest in certain regions of Indonesia. RSD is a systemic disease that causes severe cane yield loss. Information about genetic diversity of this bacterial pathogen in Indonesia is limited. While global trading of sugar cane seed may facilitate the … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 23 Jun 2025 · 3,358 accessesView PDFCite
Research ArticleOpen accessIn the author namesScalable and Advanced Framework for Hate Speech Detection on Social Media Using BERT and GPT-2 through Encoder and Decoder ArchitecturesUsman, Nabeela Hasan, Syed Mohammad Khurshid QuadriHate speech is a major problem on social media platforms. Every day, numerous instances of hateful behavior based on race, ethnicity, religion, or gender are witnessed on social media. Most of the leading social media platforms like Instagram, Facebook, Twitter Reddit, etc., have strong community guidelines that condemn and restrict the exchange of hateful language/content in any form. Despite the … …Journal of Computer Science, Vol. 21, Issue 3 · 7 Feb 2025 · 7,333 accessesView PDFCite
Research ArticleOpen accessIn the author namesVirtual Screening of CPP Conjugated Peptide as QcrB BCC Protein Inhibitors of Mycobacterium tuberculosis BacteriaMuhammad Ihsan Muttaqin, Manaman Huang, Usman Sumo Friend TambunanTuberculosis is a global leading cause of death, just below COVID-19 and ranked above HIV. This disease is caused by a pathogen called Mycobacterium tuberculosis, which spreads easily through the air and is known to remain latent in most people's bodies, about a quarter of the world's population. The current problems with TB also include two main concerns: The official … …OnLine Journal of Biological Sciences, Vol. 24, Issue 3 · 14 Mar 2024 · 5,523 accessesView PDFCite
Research ArticleOpen accessIn the author namesIRED: An Improved Active Queue Management AlgorithmSamuel Oluwatosin Hassan, Adewole Usman Rufai, Samson Ojo Ogunlere et al.Quality of Service (QoS) of Internet routers is still challenged with the issue of congestion. Active Queue Management (AQM) algorithms aimed at improving end-to-end delay of packets by keeping the average queue size small. This objective is yet to be fully accomplished, especially for interactive services. In this study, an AQM algorithm named Improved Random Early Detection (IRED) algorithm based … …Journal of Computer Science, Vol. 18, Issue 3 · 28 Mar 2022 · 6,602 accessesView PDFCite
Research ArticleOpen accessIn the author namesOptimized Biodiesel Production from jatropha curcas oilHaruna Musa, Daniel Eric, Alkhairu Hassan et al.In this study, a mathematical model for the trans-esterification reaction of jatropha curcas seed Oil (JCO) was developed using Response Surface Methodology(RSM) in terms of operational variables such as temperature (50 to 80°C), catalyst concentration (0.7 to 1% in relation to oil mass) and methanol/oil ratio (3:1-9:1), at fixed reaction time (90 min) and mixing intensity. Biodiesel was produced by … …Energy Research Journal, Vol. 12, Issue 1 · 12 Oct 2021 · 7,291 accessesView PDFCite
Letters to the EditorOpen accessIn the author namesCOVID-19 Masquerading as Chikungunya FeverWaqas Ullah, Andrew Tran, Sohaib Roomi et al.The COVID-19 outbreak is an unprecedented global public health challenge. It has a myriad of clinical presentations including fever, cough, vomiting, and diarrhea. Here, we present a unique case of COVID-19, with an atypical presentation of arthralgias and false-positive results for the chikungunya virus. By highlighting the importance of this rare association, we want physicians to be vigilant in the … …American Journal of Infectious Diseases, Vol. 16, Issue 2 · 14 May 2020 · 7,833 accessesView PDFCite
Review ArticleOpen accessIn the author namesBiopesticides as Promising Alternatives to Chemical Pesticides: A Review of Their Current and Future StatusLukmanul Hakim Samada, Usman Sumo Friend TambunanBiopesticides are living organisms or natural products that control agricultural pests including bacteria, fungi, weeds, viruses and insects. Biopesticides can be classified into different categories, such as microbial pesticides, plant-incorporated protectants and biochemicals. Biopesticides are a crucial component of integrated pest management programs for pest control, which lead to more natural alternatives to chemical pesticides that are eco-friendly and safer. … …OnLine Journal of Biological Sciences, Vol. 20, Issue 2 · 29 Apr 2020 · 23,626 accessesView PDFCite
Review ArticleOpen accessIn the author namesStrategies of Tuberculosis–HIV Vaccines Design using Immunoinformatic ApproachAni Fatonah, Ig. Satrio Wicaksono, Usman Sumo Friend TambunanTuberculosis is amongst the highest cause death worldwide. According to WHO, an estimated of more than a million people fell ill with Tuberculosis (TB) in 2016. The resistances of the M. tuberculosis (MTb) bacteria make drugs, not that useful in battle with TB. Vaccination is a better choice to avoid the worst cases of TB. The resistance possessed by MTb … …OnLine Journal of Biological Sciences, Vol. 19, Issue 2 · 10 May 2019 · 7,928 accessesView PDFCite
Research ArticleOpen accessIn the author namesEffect of GA3 and Shading on the Growth and Content of Artemisinin Compound in Leaf of Artemisia (Artemisia annua L.) Grown on the Medium Land of Karanganyar, IndonesiaYuni Kusumodewi, Usman Siswanto, Samanhudi, Ahmad YunusMalaria is still becomes a concern for the government of Indonesia, since this disease has affected many people. Artemisia annua L. is an aromatic plant that destroys malarial parasites, lowers fever and of which the secondary metabolite is artemisinin. Enhanced production of the artemisinin content in the whole plant is desirable. This experiment was conducted in Karanganyar, Indonesia 900m asl. … …American Journal of Applied Sciences, Vol. 14, Issue 10 · 1 Nov 2017 · 8,011 accessesView PDFCite