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( Akila De Silva ),( Stephen R. Bloom ) The Editorial Office of Gut and Liver 2012 Gut and Liver Vol.6 No.1
The global obesity epidemic has resulted in significant morbidity and mortality. However, the medical treatment of obesity is limited. Gastric bypass is an effective surgical treatment but carries signifi cant perioperative risks. The gut hormones, peptide tyrosine tyrosine (PYY) and glucagon-like peptide 1 (GLP-1), are elevated following gastric bypass and have been shown to reduce food intake. They may provide new therapeutic targets. This review article provides an overview of the central control of food intake and the role of PYY and GLP-1 in appetite control. Key translational animal and human studies are reviewed. (Gut Liver 2012;6:10-20)
Akila Jechoniah,Kayode Sunday John, Dada,Omeiza, Suleiman Usman 광운대학교 방위사업연구소 2022 선진국방연구 Vol.5 No.2
Physical fitness is a fundamental tool for an effective soldier to maintain vigor, alertness, and stamina in operations, and in the performance of all assigned duties in tackling insurgency and insecurity across the nation. Through a review of past studies, this paper highlights the importance of physical fitness of soldiers for combat missions, and its efficacy in ensuring their combat readiness. It also highlights the role of commanders in ensuring that soldiers adhere to standardized physical training fitness programs. This paper concludes by recommending the importance of commanders, physical instructors, tactical unit leaders, coaches, and trainers in soldiers attaining the required physical professional standards in discharging their duties during missions and combat.
Compression Techniques for DNA Sequences: A Thematic Review
Rosario Gilmary,Akila Venkatesan,Govindasamy Vaiyapuri 한국정보과학회 2021 Journal of Computing Science and Engineering Vol.15 No.2
Deoxyribonucleic acid (DNA) is the basic entity that carries genetic instructions. This information is used in the evolution, progression, and improvement of all species. It is estimated that 10 CD-ROMs are required to store the genomic data of an individual being. With the increase in DNA sequencing equipment, an extensive heap of genomic data is created. The increase in DNA data in public databases is surpassing the rate of growth in storage space, thereby raising a significant concern related to data storage, transmission, retrieval, and search. To reduce the data storage and storage expense, lossless compression procedures were applied. Conventional compression methods are not proficient while compressing the biological data. Hence, several unique and contemporary lossless compression mechanisms were used to achieve improved compression ratio in biological sequences. Here, we scrutinize the diverse existing compression procedures that are appropriate for the compression of DNA sequences. The efficiency of algorithms is compared in terms of compression ratio, the ratio of the capacity of the compressed folder, and compression/decompression time. Main challenges and future research directions in DNA compression are also presented. Emphasis has been given to special references related to contemporary techniques.
Experimental analysis and modeling of steel fiber reinforced SCC using central composite design
Kandasamy. S,Akila. P 사단법인 한국계산역학회 2015 Computers and Concrete, An International Journal Vol.15 No.2
The emerging technology of self compacting concrete, fiber reinforcement together reduces vibration and substitute conventional reinforcement which help in improving the economic efficiency of the construction. The objective of this work is to find the regression model to determine the response surface of mix proportioning Steel Fiber Reinforced Self Compacting Concrete (SFSCC) using statistical investigation. A total of 30 mixtures were designed and analyzed based on Design of Experiment (DOE). The fresh properties of SCC and mechanical properties of concrete were studied using Response Surface Methodology (RSM). The results were analyzed by limited proportion of fly ash, fiber, volume combination ratio of two steel fibers with aspect ratio of 50/35: 60/30 and super plasticizer (SP) dosage. The center composite designs (CCD) have selected to produce the response in quadratic equation. The model responses included in the primary stage were flowing ability, filling ability , passing ability and segregation index whereas in harden stage of concrete, compressive strength, split tensile strength and flexural strength at 28 days were tested. In this paper, the regression model and the response surface plots have been discussed, and optimal results were found for all the responses.
Dada, Kayode Sunday John,Akila Jechoniah,Omeiza, Suleiman Usman 광운대학교 방위사업연구소 2022 선진국방연구 Vol.5 No.3
The armed forces generally signify national pride, strength, valor, resilience, and power as they perform the tasks of securing land and border and protecting the citizenry from external aggressors. The attributes required for this range from patriotism, tact, discipline, and selflessness in service to the nation. However, the task also requires modernized military hardware and equipment to secure national interest, promote the rule of law, and fight insecurity, insurgency, and banditry. In a bid to address security challenges and the shortfall in the supply of basic raw materials for the manufacture of military hardware and armaments, the Defence Industries Corporation of Nigeria (DICON) has partnered with the Raw Materials Research and Development Council for the supply of basic raw materials to meet the growing needs of the military. A survey methodology has been employed in this study to assess the role of DICON in the promotion of defense research and development. The data collected were analyzed using a decision mean of 3.00. The findings reveal that the availability of principal raw materials such as square and angle bars as well as various forms of steel to DICON is insufficient for the fabrication and production of arms and ammunition and armored personal carriers. This paper recommends the need for a change of orientation through the revitalization of steel companies, which will provide an impetus to the economy, generate job opportunities, and contribute to the nation’s gross domestic product.
Radhakrishnan Sivakumar,Krishnasamy Akila,Sambandam Anandan 한국물리학회 2010 Current Applied Physics Vol.10 No.5
A new type of inorganic–organic hybrid solid state polymer electrolyte consisting of hetero-polytungsticacid impregnated polyepichlorohydrin with iodine/iodide and TiO2 nanofiller have been prepared for their potential application in dye sensitized solar cells. The prepared polymer electrolytes were well characterized by FT-IR, Scanning electron microscopy (SEM), X-ray diffraction (XRD), Electrochemical Impedance analysis (EIS) and Thermal analysis (TGA). The prepared polymer electrolyte with TiO2 nanofiller shows reasonable ionic conductivity (20.4 × 10−6 S cm−1) compared to pure polyepichlorohydrin (2.0 × 10−9 S cm−1) at ambient temperature. The presence of negatively charged redox species heteropolytungsticacid in the polymer matrix prevents the photo reduction of iodide (back electron transfer) and the presence of TiO2 nanofiller increases the degree of amorphousity of the polymer which in turn prolongs the stability of the fabricated dye sensitized solar cell over a long period compared to bare polymer electrolyte.
Kayode Sunday John, Dada,Akila Jechoniah 광운대학교 방위사업연구소 2021 선진국방연구 Vol.4 No.1
In contemporary surveillance and reconnaissance efforts, unmanned aerial vehicles (UAVs) have been widely deployed in dangerous, low-altitude regions where manned aircrafts cannot navigate easily because of their size, purchasing costs for environmental remote sensing, monitoring, and combat mission for military operations. As UAVs are used in compromising situations, they are designed to be low cost in the event of failed recovery process and there is increased operational flexibility for military applications and non-military development. This paper provides an overview of the use of UAVs in combating illegal bunkering activities. It classifies these vehicles based on performance and size. The paper seeks to proffer potential solutions for its adoption in the Niger Delta for forestalling security, monitoring and surveillance of multinational oil companies’ pipelines operating in the region, tactical responses by security agencies to address emergency situations of oil spillage, and illegal bunkering activities for the promotion of the nation’s economic development.
Adoption and deployment of 21st century technologies in armed forces operations
Kayode Sunday John, Dada,Akila Jechoniah,Usman Omeiza, Suleiman,Abdulrahman, Akinbinu 광운대학교 방위사업연구소 2022 선진국방연구 Vol.5 No.1
Armed forces across the globe have been continuously modernizing through the deployment of hi-tech computers and nanotechnologies to perfect information acquisition and analysis and data transmission during missions and operations to make them more powerful and enhance their competitive advantage. This study presents an overview of the opportunities provided by twenty-first century military technologies and their advantages, specifically in terms of system integration, communications, and capability to shape modern warfare. The study concludes by recommending the importance of the Ministry of Defense through the provision of adequate funds and budgetary allocations for research, development, and procurement of high-tech equipment like TALOS, FIST, FELIN, IDZ-ZES, RATNIK-3 smart suits for tactical operations to support soldiers for an effective discharge of assigned combat missions during insurgencies and battlefield reconnaissance and domination.