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69 articles for “P-ISM”
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The Design and Analysis of a High Bandwidth Patch Antenna Loaded with Double-L shaped Parasitic and Super-Strate Components
Abstract: A patch antenna having parasitic components in the shape of a double-L. It is shown how to make a directional slot antenna using a parasitic patch and a windowed superstrate. The recommended antenna may readily obtain high-gain properties due to its composition. The suggested antenna's impedance bandwidth has been measured. Internet of Things (IoT) apps to make their data more accessible, wireless communication technology integration is required. This work proposes …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 2, 2023 · pp. 1–13 Read article
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Development, Physicochemical Characteristics and Applications of Paint/Coatings: a Treatise on the Basic Science and Technology
Abstract: Paint production and application is very important in material science and technology in terms of conservation, sustainability as well as socio-economic impacts. Therefore, the basic knowledge of paint production, properties and application will be of gainful academic and practical impact to the society. Paint constituents typically include binders, pigments, carrier solvents, and functional additives, and the basic functions and chemistry of these constituents were discussed in this review paper. Furthermore, …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 11, Issue 3, 2021 · pp. 10–21 Read article
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Design of CMOS AM Modem for Wireless Sensors
Abstract: A design of amplitude modulated (AM) modem, compatible to CMOS technology for its monolithic integration with either wireless microsensors or other sources of baseband signals, is presented in this paper operating in different frequency bands. Circuits functional in different operating conditions are considered in the paper to satisfy the requirement from low- to high-speed signals produced either from the wireless sensor or other signal source to be modulated on a …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 44–51 Read article
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Dielectric Responses of Hybrid Polymer Matrix Composites at 2–3 GHz Microwave Frequencies
Abstract: AbstractMeasurement of dielectric properties of polymeric materials in the 2–3 GHz frequency region is very important for strategic applications such as communication electronics, rapid prototyping, and radiation assisted heating. As per international standards for industrial, scientific and medical applications (ISM) 0.9, 2.45 and 5.8 GHz microwaves can be used both for heating and communication purposes, of this 2.45 GHz is most widely used frequency, hence it is important to characterize …
Published in Journal of Polymer & Composites · Vol. 3, Issue 1, 2015 · pp. 1–11 Read article
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Security Threats and Attacks in Wireless Sensor Network
Abstract: Sensor networks enable application that connects the physical world to the virtual world.A wireless sensor network (WSN) consists of distributed autonomous sensors to closelymonitor physical or environmental conditions. Wireless platforms are less expensive andare more powerful, the applications supported by WSNs [1] vary from monitoring,tracking to controlling. In the era of interconnected world, security of both external andinternal data exchange over network nodes is a primary concern. This paper studies …
Published in Journal Of Network security · Vol. 1, Issue 2-3, 2013 · pp. 12–17 Read article
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Design Boiling Water Reactor Core Model Using MCNPX for Studying the Burnable Poisons and the Axial Enrichment Fuel Effect on the Neutronic Characteristics
Abstract: The incorporation of gadolinium directly into nuclear fuel is important for improving the reactor behavior and satisfying the safety criteria during the core lifetime. MCNPX (Monte Carlo N–Particle code extended) has been used for designing Advanced Boiling Water Reactor model. MCNPX code based on Monte Carlo method, is used to design a three-dimensional model for a BWR fuel assembly in a typical operating temperature and pressure conditions. This model has …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 21–35 Read article
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Recent Advancements in Nanobiocomposite-Based Wound Healing and Tissue Regeneration
Abstract: Haemostasis, inflammation, proliferation, remodeling, and other highly coordinated cellular and molecular activities are all part of the complex biological processes of wound healing and tissue regeneration. Following an injury, these stages cooperate to restore tissue integrity and function. However, this normal process is disturbed in many clinical circumstances, especially chronic wounds such diabetic ulcers, burns, and pressure sores. Prolonged inflammation, chronic microbial infection, diminished angiogenesis, and impaired extracellular matrix production …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 297–318 Read article
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Small Size High Gain Antenna and High Efficiency Rectifier for RF Energy Harvesting in 2.45 GHz ISM Band
Abstract: A streamlined microwave energy harvesting system to harvest energy in 2.45 GHz presented in this paper. An electromagnetically coupled square micro-strip antenna is designed and fabricated for formation in proposed system. Antenna gain of 6.7 db and bandwidth from 2.42to 2.47 GHz is achieved. The maximum gain of proposed antenna is 24 db at frequency 2.1 GHz. Rectifier circuit consists of a resonant circuit and a boosting circuit for enhancing …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 41–46 Read article
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Adoption of Automation and Effectiveness of Library Services By Librarians in Academic Libraries in Abia State
Abstract: The study examined adoption of automation and effectiveness of library services by librarians in academic libraries in Abia State. It adopted the survey research design with four objectives to guide the study. The population of the study comprises 27 librarians of the Michael Okpara University of Agriculture, Umudike (MOUAU) Library. The data for the study was collected using the structure questionnaire and the census sampling technique was used since all …
Published in Journal of Advancements in Library Sciences · Vol. 9, Issue 1, 2022 · pp. 35–41 Read article
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Valeriana Jatamansi in Ailment of Various Diseases: A Review
Abstract: V. wallichii, often known as Valeriana jatamansi, is a significant medicinal herb. The word ‘Valerian’, which is derived from the word ‘Velo’ means ‘strong drug’, was originally used by an Indian doctor in the ninth century. This review focus on their geographical characterization, botanical characterization, traditional uses, and their mechanism of action on various bioactivity. This review discusses the major bioactive constituents and their 2D and 3D structures. V. jatamansi …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 13, Issue 3, 2024 · pp. 1–13 Read article
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Enhancement in Mechanical properties of fly ash based self compacted concrete
Abstract: Conventional concrete offers problems while filling in the complex formwork where high amount of reinforcement present and it is difficult to use vibrator for consolidation of concrete, in such scenarios to overcome the problems self compacted concrete (SCC) becomes more popular in a construction industry. for better durability performance self compacted concrete is generally produce by adding mineral admixture, to ensure SCC the filling ability, passing ability and segregation resistance …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 3, 2019 · pp. 30–34 Read article
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Study of Bandwidth Enhancement of an S-band Microstrip Slot Antenna
Abstract: AbstractRelative study of rectangular patch, U-slot patch and E-slot patch antenna is conferred in this paper. The operating frequency is selected from S-band (2 GHz–4 GHz) which is relevant for Industrial science and medical (ISM) band, Bluetooth communication as well as wireless land area network (WLAN). High-frequency structure simulator (HFSS) software is used to investigate the results of the antennas. Microstrip patch antenna (MSPA) experience low Gain and narrow bandwidth. …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 3, 2019 · pp. 23–30 Read article
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Design and Implementation of a Long Range Decentralized Vehicular Network
Abstract: The paper proposes a technique for establishing a long range decentralized vehicular ad-hoc network, with the aim to solve on-road traffic problems faced by drivers and other stakeholders such as cyclists and pedestrians. The proposed technique doesn’t make use of internet connectivity and hence is suitable for both, underdeveloped and developing countries as well. The technology can also be used for navigation purposes and sensing the environment (surrounding vehicles) for …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 1, 2018 · pp. 24–30 Read article
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Synthesis, Molecular Docking and Biological Evaluation of Novel Chlorobenzenesulfonamide Analogues of Ibuprofen as Anti-Bacterial, Anti-Diabetic and Anti-Alzheimer Agents
Abstract: In this work, we have synthesized novel chlorobenzensulfonamide tertiary amide based analogues of Ibuprofen (Ibu) and investigated them for their anti-bacterial, anti-diabetic and anti-Alzheimer activities. In the first step, Ibu was converted to amide derivatives by incorporating different aromatic amines. These were further converted into sulfonamide analogues (Sul-Ibu, 1-9) by treating it with p-chlorobenzensulfonyl chloride. Sul-Ibu (1-9) were screened against S. aureus, B. subtilis, S. mutans, E. coli, P. aeruginosa, …
Published in International Journal of Cheminformatics · Vol. 3, Issue 1, 2025 · pp. 41–55 Read article
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Evaluation of Anti-ulcer Activity of Ethanolic Extract of Salacia fruticosa and Oldenlandia Umbellata
Abstract: In this present study the aerial and root parts of Salacia fruticosa and the entire herb of Oldenlandia umbellate were evaluated for its anti-ulcer property in Aspirin induced ulcer model and Pylorus ligation assays. Both plant materials were extracted with ethanol and given at the dose level of 200mg/kg orally after the LD50 studies to fix the dose. Ulcer index, free acidity and total acidity in pylorus ligated and aspirin …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 4, Issue 2, 2013 · pp. 1–5 Read article
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Habb-e-Qooqaya: A Potent Herbo‑Medicinal Formulation for Shaqeeqa (Migraine)–A Review
Abstract: The word Shaqeeqa is derived from an Arabic word ‘shiq’ which means ‘a part’ or ‘a side’. It is characterized by intense pain in a part rather than entire head giving it the name Shaqeeqa. Many renowned physicians of Unani system of medicine like Jalinoos (Galen), RabbanTabri (Al Tabri), ZakaryaRazi (Rhazes), Ali Ibn Abbas Majoosi (Masoudi/Haly Abbas), Ibn Sina (Avicenna), Ismail Jurjani (Zayn Al-Din Gorgani), Ibn Zohr (Avenzoar), Ibn Habal …
Published in Research & Reviews : Journal of Herbal Science · Vol. 10, Issue 2, 2021 · pp. 24–30 Read article
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Compact Fork-shaped Monopole Antenna for Bluetooth, WLAN and Wi-MAX Applications
Abstract: This paper presents a fork-shaped monopole antenna (FSMA) with compact size. The proposed FSMA consisting a fork-shaped radiator and a partial ground plane with L-shaped and rectangular slits. The size of the proposed FSMA is 34 × 18 × 1.6 mm3 which is fed by 50Ω microstrip line. The L-shaped slit is introduced in the ground plane to enhance the bandwidth impedance of the proposed FSMA. The proposed antenna achieved …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 4, 2021 · pp. 1–6 Read article
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Compact Fork-shaped Monopole Antenna for Bluetooth, WLAN and Wi-MAX Applications
Abstract: This paper presents a fork-shaped monopole antenna (FSMA) with compact size. The proposed FSMA consisting a fork-shaped radiator and a partial ground plane with L-shaped and rectangular slits. The size of the proposed FSMA is 34×18×1.6 mm3 which is fed by 50Ω microstrip line. The L-shaped slit is introduced in the ground plane to enhance the bandwidth impedance of the proposed FSMA. The proposed antenna achieved 10dB return loss bandwidth …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 1, 2021 · pp. 1–6 Read article
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Heart Rate and Serum Nitric Oxide Express Circahoralian Oscillation in Hypertensive Patients
Abstract: Cardiovascular cells possess circadian oscillators and certain cardiovascular diseases are attributed to disruption in cardiac circadian rhythm. This study is aimed to find the association between the serum level of nitrogen species and the electrocardiograph records taking in consideration the circahoralian oscillation in hypertensive patients. A total number of fifty hypertensive patients and twenty healthy subjects were admitted in this study. The anthropometric measurements and lipid profile were determined. Serum …
Published in Research and Reviews: A Journal of Medicine · Vol. 4, Issue 2, 2014 · pp. 20–25 Read article
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Dirichlet Average of Generalization of K4: Function and Fractional Derivative
Abstract: In this paper Dirichlet average of a new Special function called as generalization of K4 – function, which is recently given by Ahmad Faraj , Tariq Salim , Safaa Sadek, Jamal Ismail has been obtained. This function is an extension of R- function which is introduced by Lorenzo and Hartly (1999). This is the modification of K4 – function given by Kishan Sharma and these functions have recently found essential …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 2, Issue 1, 2015 · pp. 20–23 Read article