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RISS 인기검색어
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- 저자 : Md. Rakib Hasan (검색결과 2 건)
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Md. Rakib Hasan,Nizam Uddin,Tanmoy Sana,Md. Monir Hossain,Milon Mondal,Ismat Jarin Kanta,M. S. K. Choudhuri 경희대학교 융합한의과학연구소 2018 Oriental Pharmacy and Experimental Medicine Vol.18 No.2
The aim of our current study is to investigate the analgesic and anti-inflammatory potentials of methanolic extract of Mallotus repandus stem (MSM) using different in vivo assay models. Analgesic and anti-inflammatory activities were evaluated using acetic acid induced writhing test, tail immersion method, hot-plate test, formalin induced hind paw licking, xylene induced ear edema, carrageenan-induced paw edema and cotton pellet induced granuloma in animal model at doses of 500, 1000 and 2000 mg/kg body weight. MSM showed significant (p < 0.05) analgesic activities in the acetic acid-induced writhing tests in mice. In the tail immersion and hot-plate test, MSM significantly prolonged the latency period (p < 0.05). Significant (p < 0.05) formalin induced paw licking inhibition was observed at different doses and the highest 74.47% inhibition was observed at 2000 mg/kg. Besides, MSM showed significant (p < 0.05) anti-inflammatory responses in carrageenan induced paw edema, xylene induced ear edema and cotton pellet induced granuloma methods. These findings suggest that the plant may be a potential source for the development of new analgesic and anti-inflammatory agent.
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Saiam Md.,Chowdhury Mostafa Zaman,Hasan Syed Rakib,장영민 한국통신학회 2023 ICT Express Vol.9 No.5
For efficient, controllable, and secure communication, different technologies are integrated with sixth-generation (6G) networks. Backscatter communication (BackCom) is an energy harvesting communication technology which is very efficient for 6G networks and Internet of Things (IoT) applications. For seamless and controllable signal propagation, reconfigurable intelligent surface (RIS) is particularly effective which provides better signal quality through its electronically controlled smart beamforming techniques. This article provides an overview and research directions regarding promising RIS-assisted BackCom. A secured RIS-assisted BackCom for seamless, reliable, and efficient communication is also presented in this study. The research findings reveal that when we deploy RIS-assisted BackCom, the channel gain, data transmission rate, and energy efficiency of the signal reflecting surfaces are all substantially enhanced.
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