Kuwait Journal of Science最新文献

{"title":"Optimal buffer sizes and inspection station positions in unreliable non-homogeneous production lines","authors":"Fatima Zahra Mhada ,&nbsp;Mohamed Ouzineb ,&nbsp;Issmail El Hallaoui","doi":"10.1016/j.kjs.2026.100543","DOIUrl":"10.1016/j.kjs.2026.100543","url":null,"abstract":"<div><div>The interaction between production management and quality management is crucial to ensuring high-quality products and maintaining customer satisfaction. In manufacturing settings, quality control and inspection stations are typically implemented on production lines to prevent the dispatch of defective products. This study explores the integration of additional inspection stations into a manufacturing line to minimize overall costs and improve operational efficiency. The non-homogeneous manufacturing line studied in this article consists of unreliable machines, inventories, and inspection stations. The goal is to minimize the long-term average cost per unit of time, which includes both storage costs and inspection costs. To solve the optimization problem, the study employs dynamic programming and demonstrates the approach with an illustrative example. The results suggest that a more complex optimal configuration, balancing inspection and storage needs, leads to better overall cost efficiency.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100543"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146078961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Slip boundary effects on hybrid nanofluid flow with activation energy and viscous dissipation in rotating rectangular systems","authors":"Z. Abbas,&nbsp;A. Hassan,&nbsp;M.Y. Rafiq,&nbsp;S. Goher","doi":"10.1016/j.kjs.2026.100547","DOIUrl":"10.1016/j.kjs.2026.100547","url":null,"abstract":"<div><div>This study provides a comprehensive comparative analysis of hybrid nanofluid flow and heat–mass transfer in a rotating rectangular system by incorporating velocity, thermal, and concentration slip conditions together with viscous dissipation and activation energy effects. The physical configuration consists of a fixed upper plate and a permeable, stretchable lower plate subjected to a uniform magnetic field and thermal radiation. Two hybrid nanofluid formulations, <em>Cu/Ag</em>–water and <em>CuO/TiO</em>₂–water, are employed to examine the influence of distinct thermophysical properties on transport phenomena. The governing nonlinear partial differential equations are transformed into a system of ordinary differential equations via similarity transformations and numerically solved using MATLAB's boundary value problem solver with a specified accuracy of 10⁻⁶. A detailed parametric study is carried out to assess the influence of Reynolds number, thermophoresis, Brownian motion, radiation, Eckert number, activation energy, Schmidt number, and slip parameters on the velocity, temperature, and concentration distributions. The results reveal that thermophoresis enhances mass diffusion while reducing the temperature gradient, whereas viscous dissipation notably elevates the thermal field. Activation energy significantly strengthens concentration boundary layers, and slip conditions reduce wall resistance, thereby modifying both heat and mass transfer rates. Thermal radiation increases the Nusselt number but decreases the Sherwood number for both hybrid nanofluids. Overall, the <em>CuO/TiO</em>₂–water hybrid nanofluid exhibits superior thermal performance, whereas <em>Cu/Ag</em>–water shows enhanced mass transfer characteristics.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100547"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146189542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of plant growth regulator combinations on the growth of ginger (Zingiber officinale Roscoe) plantlets in vitro","authors":"Quanlong Li,&nbsp;Xiaomeng Xing,&nbsp;Yongzhi Gong,&nbsp;Zehua Li,&nbsp;Mengjun Huang,&nbsp;Yusong Jiang","doi":"10.1016/j.kjs.2026.100539","DOIUrl":"10.1016/j.kjs.2026.100539","url":null,"abstract":"<div><div>The application of exogenous plant growth regulators (PGRs) alters the endogenous hormonal balance, thereby regulating key processes in plant tissue culture such as proliferation, rooting, and seedling production. Current research on ginger tissue culture predominantly focuses on the development of stage-specific culture media, tailored to particular phases such as proliferation or rooting. However, such narrowly optimized formulations often result in suboptimal efficiency when applied in scaled-up production systems. Therefore, it is imperative to devise integrated multifunctional media that can simultaneously support and enhance multiple developmental processes. This study used ginger shoot tips as explants and Murashige and Skoog (MS) basal medium in an orthogonal test design to investigate combinations of indole-3-butyric acid (IBA) and 6-benzylaminopurine (6-BA). The results showed that the optimal medium for <em>Z. officinale</em> tissue-cultured plantlets was MS + 0.25 mg L⁻¹ IBA +1.25 mg L⁻¹ 6-BA. This PGR combination resulted in the lowest browning rate (12.5 %) and no hyperhydricity of isolated stem tips. Rooting coefficient (17.67), fresh weight (1.02 g), and leaf number (7.33) were significantly higher (P &lt; 0.05) than other treatments. Additionally, shoot length (1.30 cm), multiplication coefficient (6.33), root length (1.48 cm), and plant height (3.67 cm) all ranked among the top performing groups. SOD activity (191.42 U·g⁻¹) in this group was significantly higher than the overall mean, while MDA (1.29 μmol mg⁻¹) and H₂O₂ (1.32 μmol g⁻¹) contents were lower than average values. This study provided a simple and rapid method for ginger tissue culture production, facilitating rational resource utilization and industrial application.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100539"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145980203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Emerging trends and hotspots in sandstorms and human health research: A bibliometric and knowledge mapping study","authors":"Jiaxin Cao ,&nbsp;Xinchen Shu ,&nbsp;Qi Liu ,&nbsp;Yixin Wang ,&nbsp;Yuxin Liu ,&nbsp;Feng Jiang ,&nbsp;Jin Shu","doi":"10.1016/j.kjs.2026.100544","DOIUrl":"10.1016/j.kjs.2026.100544","url":null,"abstract":"<div><div>Sandstorms are becoming increasingly frequent and intense as a result of climate change, desertification, and land-use degradation, posing substantial risks to human health. Exposure to airborne dust particles, particularly PM₁₀ and PM₂.₅, has been associated with a wide range of adverse health outcomes, including respiratory and cardiovascular diseases, conjunctivitis, and negative birth outcomes. To provide a systematic overview of global research trends in this field, we conducted a bibliometric and visualized analysis of sandstorm-related health studies published between 2005 and 2025 (provisional) using the Web of Science Core Collection. CiteSpace and VOSviewer were applied to examine publication outputs, international and institutional collaboration networks, author contributions, co-cited references, and keyword dynamics. A total of 1328 English-language articles and reviews were included, revealing a marked increase in publications after 2014, with a peak in 2019. China, the United States, and Iran emerged as the leading contributors, with major research output from institutions such as the Chinese Academy of Sciences and Tottori University. Co-citation and keyword analyses indicated a thematic evolution from particulate exposure and acute respiratory effects toward emerging topics including oxidative stress, microbial toxicity, machine learning applications, and climate change, while notable geographic underrepresentation persisted in African and Central Asian regions. Overall, this study delineates the evolving landscape of sandstorm-health research, highlighting both methodological diversification and persistent geographic and thematic gaps, and underscores the need for enhanced interdisciplinary collaboration and more regionally inclusive research to support effective mitigation strategies and health interventions.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100544"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146078960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The travelling wave solutions of the Aizhan-Gudekli-Nurshuak-Zhanbota equation and its numerical treatment","authors":"Reda A. Ibrahim ,&nbsp;Ahmet Bekir ,&nbsp;Ali Gökhan Ertaş ,&nbsp;Emad H.M. Zahran","doi":"10.1016/j.kjs.2026.100550","DOIUrl":"10.1016/j.kjs.2026.100550","url":null,"abstract":"<div><div>The cornerstone of this paper is the developing of novel analytical travelling wave solutions for the Aizhan-Gudekli-Nurshuak-Zhanbota equation <strong>(</strong>AGNZE), which was recently introduced as an integrable model arising in the study of space curves and surfaces. Therefore, its analytical exploration is vital for understanding its physical applications. We will explore solitons and various solitary wave solutions with diverse physical structures of this model. Significantly, this model characterizes the generalized Heisenberg ferromagnetic model. The innovation of this work lies in the enriched and distinct soliton solutions obtained, and in performing a comparative analysis of the proposed method, which has not been previously addressed. These achieved solutions correspond to the spin waves in the context of the ferromagnetic model. The construction of these new travelling wave solutions is carried out within the framework of notable schemes, the modified exp [−<span><math><mi>ξ</mi><mspace></mspace></math></span>]-expansion method and the modified simple equation method which are governed by the balance rule. Furthermore, the numerical solutions for all obtained analytical travelling wave solutions have been implemented by using the differential transform method (DTM), which is considered one of the most effective semi-analytical and numerical methods. The extracted solutions display distinct physical structures, including forms like bright solitons, dark solitons, combination of bright solitons and dark solitons, peakon-type bright and dark waves, anti-kink wave structures, W-like solitons, M-like solitons, hyperbolic solitons, singular solitons, and other rational solitons forms. The obtained solutions may be applied to model ultra-short pulse propagation in some nonlinear fields such as optical fibers, photonic crystals, waveguides, and solitary waves in shallow water. Additionally, we will use 2D and 3D graphical simulations to illustrate the new dynamic properties of our obtained solutions by using a mathematical tool.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100550"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146189593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Corrigendum to “Microstructural and photocatalytic properties of nanostructured near-β Ti-Nb-Zr alloy for total hip prosthesis use” [Kuwait J. Sci., 51 (2024) 100276]","authors":"Mamoun Fellah ,&nbsp;Naouel Hezil ,&nbsp;Dikra Bouras ,&nbsp;Majeed Ali Habeeb ,&nbsp;Fouzia Hamadi ,&nbsp;Nabila Bouchareb ,&nbsp;Salah Eddine Laouini ,&nbsp;Alejandro Perez Larios ,&nbsp;Obrosov Aleksei ,&nbsp;Gamal A. El-Hiti","doi":"10.1016/j.kjs.2026.100549","DOIUrl":"10.1016/j.kjs.2026.100549","url":null,"abstract":"","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 2","pages":"Article 100549"},"PeriodicalIF":1.1,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146189585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mapping volcanogenic massive sulphide-associated gossans in hyper-arid terrains using PRISMA hyperspectral imaging and random forest models: A case study from Ariab, NE Sudan","authors":"Abdelmajeed A. Elrasheed ,&nbsp;Samia Abdelrahman ,&nbsp;Szilárd Szabó","doi":"10.1016/j.kjs.2025.100526","DOIUrl":"10.1016/j.kjs.2025.100526","url":null,"abstract":"<div><div>The global demand for key metals (Ni, Cu, and Co), coupled with the depletion of easily discoverable resources, necessitates advanced exploration methodologies for volcanogenic massive sulphide (VMS) deposits. Gossans, key surface indicators of VMS and associated gold mineralization, are particularly challenging to identify in regions with complex geological settings, deep weathering, and rugged topography, such as the Ariab mining district of the Arabian Nubian Shield (ANS). This study investigated the novel application of the space borne hyperspectral PRISMA (PRecursore IperSpettrale della Missione Applicativa) sensor, leveraging its high spectral resolution for gossan detection. An integrated approach was employed, incorporating color composites, band ratios, density slicing, and a hyperparameter-optimized Random Forest classifier. The model achieved an overall accuracy exceeding 80 %, demonstrating its efficacy for scalable gossan mapping. The results were validated through spectral analysis, confirming diagnostic jarosite signatures and extensive fieldwork. This research establishes PRISMA as a powerful, exploration-ready tool for early-stage targeting of auriferous VMS deposits in the ANS and similar arid shield terrains globally.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 1","pages":"Article 100526"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145786762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On q-Pell sequence spaces: A study of operator ideals and geometric properties","authors":"Shiva Shah,&nbsp;Bipan Hazarika","doi":"10.1016/j.kjs.2025.100512","DOIUrl":"10.1016/j.kjs.2025.100512","url":null,"abstract":"&lt;div&gt;&lt;div&gt;The matrix &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mrow&gt;&lt;mo&gt;{&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;}&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;mo&gt;∈&lt;/mo&gt;&lt;mi&gt;N&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;, called the &lt;span&gt;&lt;math&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;-Pell matrix, with elements determined by &lt;span&gt;&lt;span&gt;&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mfenced&gt;&lt;mrow&gt;&lt;mtable&gt;&lt;mtr&gt;&lt;mtd&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/mfrac&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;/mtd&gt;&lt;mtd&gt;&lt;mtext&gt;if&lt;/mtext&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;≤&lt;/mo&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;mo&gt;≤&lt;/mo&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;/mtd&gt;&lt;/mtr&gt;&lt;mtr&gt;&lt;mtd&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;/mtd&gt;&lt;mtd&gt;&lt;mtext&gt;if&lt;/mtext&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;mo&gt;&gt;&lt;/mo&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;.&lt;/mo&gt;&lt;/mtd&gt;&lt;/mtr&gt;&lt;/mtable&gt;&lt;/mrow&gt;&lt;/mfenced&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;with &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mo&gt;{&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;}&lt;/mo&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; representing the &lt;span&gt;&lt;math&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;-Pell sequence. Using &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; is defined by &lt;span&gt;&lt;span&gt;&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;for &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;λ&lt;/mi&gt;&lt;mo&gt;≥&lt;/mo&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;, &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;mo&gt;,&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Ψ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;. In this context, the Schauder basis is derived for the space &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;ℓ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;p&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; for &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;≤&lt;/mo&gt;&lt;mi&gt;p&lt;/mi&gt;&lt;mo&gt;≤&lt;/m","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 1","pages":"Article 100512"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145576353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative assessment of physicochemical and biological properties of silver nanoparticles (AgNPs) synthesized from aerial and underground parts of Arnebia benthamii","authors":"Yasmeen Mukhtar ,&nbsp;Munazza Nazir ,&nbsp;Shumaila Naz ,&nbsp;Rizwan Taj khan ,&nbsp;Wasim Akhtar ,&nbsp;Laiba Abdul ,&nbsp;Asif Kamal ,&nbsp;Abdulwahed Fahad Alrefaei ,&nbsp;Eman Alshehri ,&nbsp;Maximilian Lackner","doi":"10.1016/j.kjs.2025.100478","DOIUrl":"10.1016/j.kjs.2025.100478","url":null,"abstract":"<div><div><em>Arnebia benthamii</em> is a source of secondary metabolites with significant medicinal potential. This work studied the biogenic synthesis of silver nanoparticles (AgNPs) by <em>A. benthamii</em> root and inflorescence extracts. The novelty of this research lies in the comparative assessment of nanoparticles derived from aerial and underground plant parts, highlighting differences in physicochemical and biological properties. A 1:5 ratio of plant extract to silver nitrate (AgNO₃) solution (1 mM) was used in the formation of NPs, and they were characterized by UV-Vis spectroscopy (UV), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction spectroscopy (XRD). UV-Vis analysis confirmed AgNP formation by an absorbance peak at 432 nm (root-mediated) and 436 nm (inflorescence-mediated). XRD confirmed their crystalline nature, while SEM revealed that root-derived AgNPs were irregular (40 nm) and inflorescence-derived AgNPs were spherical (23 nm). FTIR showed the part of secondary metabolites that serve as natural capping agents. For antibacterial activity, the well diffusion method was employed, where AgNPs were tested against <em>Acinetobacter calcoaceticus</em> and <em>Enterobacter hormaechei</em> subsp. <em>xiangfangensis</em>. Inflorescence-mediated AgNPs were found to exhibit superior antibacterial activity, likely due to smaller NP size. For antioxidant assays, these AgNPs also demonstrated enhanced 2,2-diphenyl-1-picrylhydrzyl (DPPH) of 83 % and 2,2-azino-bis(ethylbenzothiazoline-6-suphonic acid) (ABTS) of 61 % compared to root-mediated AgNPs (DPPH 80 %, ABTS 57 %). The findings suggest that <em>A. benthamii</em>-mediated AgNPs possess a significant potential for biological applications. Enhanced bioactivity of inflorescence-derived AgNPs highlights their promise in antimicrobial and antioxidant therapies, supporting their future use in pharmaceutical and nanotechnological advancements.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 1","pages":"Article 100478"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144830692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On complex hybrid numbers: Algebraic structures, matrix representations, and geometric interpretations","authors":"Furkan Seçgin ,&nbsp;Çağla Ramis İlgüz ,&nbsp;İsmail Gök","doi":"10.1016/j.kjs.2025.100528","DOIUrl":"10.1016/j.kjs.2025.100528","url":null,"abstract":"<div><div>This work introduces complex hybrid numbers, an extension of hybrid numbers, which are defined as <span><math><mrow><mi>Z</mi><mo>=</mo><msub><mrow><mi>z</mi></mrow><mrow><mn>0</mn></mrow></msub><mo>+</mo><msub><mrow><mi>z</mi></mrow><mrow><mn>1</mn></mrow></msub><mi>i</mi><mo>+</mo><msub><mrow><mi>z</mi></mrow><mrow><mn>2</mn></mrow></msub><mi>ɛ</mi><mo>+</mo><msub><mrow><mi>z</mi></mrow><mrow><mn>3</mn></mrow></msub><mi>h</mi></mrow></math></span> where <span><math><msub><mrow><mi>z</mi></mrow><mrow><mi>i</mi></mrow></msub></math></span> are complex numbers and <span><math><mrow><mi>i</mi><mi>h</mi><mo>=</mo><mo>−</mo><mi>h</mi><mi>i</mi><mo>=</mo><mi>i</mi><mo>+</mo><mi>ɛ</mi></mrow></math></span>. We investigate their algebraic properties, classify them into <span><math><msub><mrow><mi>ℂ</mi></mrow><mrow><mn>1</mn></mrow></msub></math></span>, <span><math><mrow><msub><mrow><mi>ℂ</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo></mrow></math></span> <span><math><mi>D</mi></math></span>, and <span><math><mi>P</mi></math></span>-types, and analyze their matrix representations. Numerical examples illustrate key findings, highlighting both their theoretical structure and potential areas of application. Key findings are demonstrated with numerical examples, emphasizing their structural importance and their uses.</div></div>","PeriodicalId":17848,"journal":{"name":"Kuwait Journal of Science","volume":"53 1","pages":"Article 100528"},"PeriodicalIF":1.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145880144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}