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1965 articles for “O(n)” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Design and Implementation of an IoT-Enabled Autonomous Hexapod Robot for Enhanced Navigation and Remote Operations
Abstract: This system develops an autonomous hexapod robot using an ESP32 microcontroller and IoT technology. This robot can move on its own, avoiding obstacles without human help. It's equipped with various sensors like distance and ground slope sensors. These sensors provide data to the microcontroller, helping it control the robot's movements and steer clear of obstacles. The robot runs on a battery, ensuring it can operate for extended periods without human …
Published in Trends in Opto-electro & Optical Communication · Vol. 14, Issue 2, 2024 · pp. 14–20 Read article
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Analysis of Losses in Geostationary Intersatellite Optical Wireless Communication Links
Abstract: The effective method to create a link between satellites is inter-satellite communication. Data is transmitted from one side to the other via a laser in this groundbreaking method. Optical networks, which offer continuous data transport over vast distances, are networks with high bandwidth efficiency. Inter-satellite optical wireless communication (Is-OWC) is a common method to transfer high-speed data between various satellites in free space. Is-OWC networks have undoubtedly innovated satellite communications …
Published in International Journal of Satellite Remote Sensing · Vol. 2, Issue 2, 2024 · pp. 1–18 Read article
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An Overview on Harnessing Microwave Frequencies for Next-Generation Satellite Communication and Earth Observation
Abstract: In the vacuum of space, where traditional cables cannot reach, humanity has woven an invisible, high-speed infrastructure made of oscillating electromagnetic waves. At the heart of this architecture lies the microwave spectrum—the unsung hero that enables everything from global GPS navigation to real-time climate monitoring. The evolution of global connectivity and environmental monitoring is intrinsically linked to the mastery of the microwave spectrum. As satellite constellations transition from traditional Geostationary …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 1, 2026 · pp. 1–6 Read article
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Mechanical and Physicochemical Characteristics of Nano-Hydroxyapatite Polymer Composites
Abstract: This study focuses on the development and characterization of nano-hydroxyapatite (nHAp)-reinforced poly (lactic acid) (PLA) composites for biomedical applications. The composites, prepared with varying nHAp content (5–25 wt%), were evaluated for their mechanical and physicochemical properties, including tensile strength, Young’s modulus, elongation at break, thermal stability, hydrophilicity, and crystallinity. Results revealed that tensile strength increased significantly with the incorporation of nHAp, reaching a peak of 62 MPa at 15 wt%, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 115–125 Read article
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Smart Polymer Composites with Multifunctional Capabilities Integrating Electroactive Polymers Conductive Nanofillers and Flexible Electronics for Advanced Sensing and Actuation Systems
Abstract: Smart polymer composites have gained significant attention to their ability to integrate polymer matrices with conductive nanofillers, offering tunable electrical, mechanical, and electroactive properties. These composites are highly responsive to external stimuli such as electrical fields, mechanical stress, and temperature variations, making them ideal for applications in flexible electronics, soft robotics, and adaptive sensing systems. This research investigates the effect of nanofiller dispersion on the performance of polymer composites, optimizing …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 946–965 Read article
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In-Situ Polymerized GO/PANI Composites: Structural Evolution, Optical Modulation, and NH₃ Sensing at Room Temperature
Abstract: Graphene oxide (GO)/polyaniline (PANI) composites with varying PANI contents (20, 40, and 60 wt%) were synthesized via in-situ oxidative polymerization and systematically investigated for their structural, morphological, optical, and gas-sensing properties. X-ray diffraction (XRD) confirmed a progressive increase in interlayer spacing and partial exfoliation of GO layers with increasing PANI content, indicating intercalation-assisted hybridization. Fourier transform infrared (FTIR) spectroscopy revealed the characteristic vibrational bands of both constituents and confirmed strong …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Synthesis, Characterization of New Imidazolidin-4-One Containing Azo Compound Derived from Acetylacetone as Antibacterial and Antioxidant Agents
Abstract: In the present study, new derivatives of imidazolidine-4-one was prepared. Which involved reactions to diazonium salt of o-methoxy aniline with acetylacetone in the presence of sodium hydroxide, and isolating the azo compound as a brown precipitate. The azo diketone reacts efficiently with aromatic amine derivatives to produce Schiff bases as a light yellow and dark brown precipitates, and from this Schiff bases three derivatives of imidazolidine-4-one was prepared by reacting …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 94–114 Read article
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Mental Health Nursing Interventions in Schizophrenia Care: Effectiveness of Nurse-Led Strategies in Managing Schizophrenia Disorder
Abstract: Schizophrenia is a chronic and severe mental disorder characterized by disturbances in thought, perception, emotion, and behavior that significantly impair an individual’s functioning and quality of life. Mental health nurses play a pivotal role in the management of schizophrenia through comprehensive, patient-centered, and evidence-based interventions. This article critically examines the effectiveness of nurse-led strategies in managing schizophrenia disorder, focusing on pharmacological support, psychosocial interventions, psychoeducation, therapeutic communication, relapse prevention, and …
Published in Journal of Nursing Science & Practice · Vol. 16, Issue 1, 2026 Read article
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Overview of Diabetic Neuropathy: A Comprehensive Examination
Abstract: Abstract: India has earned the unfortunate distinction of being the global epicenter for diabetes, with an alarming projection of 109 million individuals expected to be afflicted by the condition by 2035The global influence of diabetic neuropathy is significant, with an estimated 132 million individuals affected as of 2010, constituting roughly 1.9% of the global populace. Notably, within the diabetic population, there exists a significantly heightened prevalence The prevalence of sensory …
Published in Research and Reviews: A Journal of Toxicology · Vol. 14, Issue 1, 2024 · pp. 26–36 Read article
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Monitoring of Ship Deployment Through Emerging Technologies
Abstract: The mission for naval vessels encompasses defining combat tasks, deployment statuses, and timing requirements to optimize combat patrol effectiveness and daily ship management. This involves inheriting, developing, and optimizing ship deployment strategies while establishing new deployment categories with distinct names, connotations, personnel, and equipment needs to ensure organic integration and synergy. Emphasis is placed on maintaining continuity, stability, and forward-thinking to meet the demands of warship combat operations, facilitate management …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 11, Issue 2, 2024 · pp. 59–66 Read article
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An Effective Role of Soil Minerals in Plant Nutrition
Abstract: Soil mineral nutrient required by plants is an essential for its survival without availability it can’t be survived. A various way of transportation of nutrients through different phenomenon’s involved in its activity. Although, 17 essential elements are required by plants in which Carbon, Hydrogen and Oxygen is freely available in the atmosphere whereas other nutrients are available through soil. Uptake of nutrients by plants in ionic (both cationic and anionic) …
Published in Research and Reviews : Journal of Crop science and Technology Read article
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Effectiveness of Twill Technique Vs Endotracheal Tube Holder on ETT Securement: A Comparative Study
Abstract: Endotracheal intubation is an urgent procedure which is performed on patients who are unconscious and can’t breathe by their own. Endotracheal Intubation keeps an airway open and helps to prevent chocking. When the patient is intubated, maintaining the endotracheal tube placement is essential. In case Endotracheal Tube is not secured, even basic nursing management can cause tubing slippage which is a major factor in causing airway trauma or injuries Aim: …
Published in Research and Reviews: A Journal of Medicine · Vol. 14, Issue 2, 2024 · pp. 39–47 Read article
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Evaluation of Physico-Chemical Parameters of Drilling Fluid and Its Effects on Water Quality Discharged in (Okoroagu River) in Etche LGA of Rivers State
Abstract: The study evaluated the surface water quality of Okoroagu River, Niger Delta of Nigeria, in order to determine the water quality index. Water samples were collected at five sampling points of the Okoroagu river. The results revealed that the Physicochemical and heavy metals parameters exceeded the NSDWQ and WHO recommended permissible limits except for TDS, pH, EC, Zinc, Chromium, Nickel and Manganese whicht were within the acceptable limit. The water …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 1, 2025 · pp. 32–44 Read article
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The nth Theory of Cosmic Oestrus
Abstract: Oestrus is instrumental in animal birth. Cosmic oestrus is instrumental in the birth of 1080 particles and the whole universe. The universe is nothing but space, just space. The egression of conserved energy or cosmic oestrus, which can neither be created nor destroyed, is space. Everything is the different mathematical powers of space. Space has three dimensions: 𝐿1, 𝐿2and 𝐿3. 𝐿1 makes time and inverted gravity, 𝐿2 makes mind/consciousness, and …
Published in Research & Reviews : Journal of Physics Read article
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A Narrative Review on Osteogenesis Imperfecta and Its Management
Abstract: Osteogenesis imperfecta (OI), sometimes referred to as brittle bone disease, is a heterogeneous illness characterized by short stature, several fractures, and distorted bones. The main contributing factor to OI is mutations in the genes needed to produce type 1 collagen. While severe OI is perinatally fatal, mild OI can occasionally not be detected until maturity. The frequency of Osteogenesis imperfecta ranges from about 1:15,000 to 1:20,000 births. Five kinds of …
Published in International Journal of Orthopedic Nursing and Practices · Vol. 2, Issue 1, 2024 · pp. 1–10 Read article
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Innovative Antifungal strategies: Terbinafine hydrochloride in Niosomal carriers
Abstract: Onychomycosis, an infection caused by fungi that affects fingernails or toenails, causes the nails to grow, separate from the nail bed, and become discoloured. While anybody can get, those with weakened immune systems, children and the elderly are especially susceptible. Present study was related to formulate an effective nail lacquer that would treat onychomycosis by utilizing Terbinafine hydrochloride. In this study, niosomes of a medication called terbinafine hydrochloride, an antifungal …
Published in International Journal of Fungi · Vol. 2, Issue 2, 2025 · pp. 1–16 Read article
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Polymer Electrolyte Films Doped with Nanofillers ZnO: Electrochemical and Optical Investigations
Abstract: The electrochemical and optical characteristics of polymer composite electrolyte films doped with zinc oxide (ZnO) nanofillers are thoroughly examined in this work. Because of its superior film-forming capacity, flexibility, and ionic transport properties, poly(vinyl alcohol) (PVA) mixed with potassium iodide (KI) is used as the host polymer electrolyte. To investigate their effects on ionic conductivity, dielectric behavior, and optical transmission, ZnO nanoparticles are synthesized and added to the PVA–KI matrix …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 320–332 Read article
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Symmetry Breaking in Mathematical Models: Bifurcation, Chaos, and Pattern Formation
Abstract: Symmetry breaking serves as a central organizing principle in the understanding of nonlinear systems across physics, biology, chemistry, and engineering. When a system transitions from a symmetric state to an asymmetric configuration, it often signals the onset of new structures, dynamic behaviors, or even chaotic regimes. This review explores symmetry breaking from the theoretical and mathematical perspectives of bifurcation theory, chaos theory, and pattern formation. We discuss how small parameter …
Published in Emerging Trends in Symmetry · Vol. 1, Issue 2, 2025 · pp. 25–30 Read article
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A Novel Approach to Fingerprint Authentication Using Histogram Oriented Gradients for Feature Extraction and Machine Learning Convolution Neural Network for Classification
Abstract: With applied biometrics, it is possible to identify a person by examining a feature vector of attributes derived from their physical and behaviour characteristics. In biometrics, fingerprints have become one of the most famous and well known techniques of identification and authentication. In light of technological advancements and safety, fingerprint recognition has been successfully used in a variety of Civil, Defence, and Commercial applications for more than a decade. The …
Published in International Journal of Wireless Security and Networks · Vol. 1, Issue 2, 2023 · pp. 1–12 Read article
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The effect of cooling time and colorant pigment on the dimensional accuracy of plastic injection molded closure
Abstract: Dimensional accuracy is a critical aspect of precision injection molding, with the products generally required to conform to set tolerances. Major causes of these deviations are reported to be related to the polymer material, part geometry, injection mold design, and process parameters. This study investigated the effects of material color pigment and its interaction with process cooling time on product dimensional accuracy. This study was conducted experimentally, where three levels …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 93–100 Read article