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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Journal of Tropical Pharmacy and Chemistry
Ghosh, Susmita
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Biochemistry, Genetics & Molecular Biology Chemistry Control & Systems Engineering Electrical & Electronics Engineering Health Professions Immunology & microbiology Medicine & Pharmacology

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Investigation of Total Tannin, Phenolic & Flavonoid Content of Araucaria Heterophylla for Antioxidant Source Ghosh, Ankita; Paul, Shimanta; Ghosh, Susmita; Akter, Sadia; Mahedi, Rezwan Ahmed; Afrin, Sadia; Hasan, Akayed; Hasan, Ali Mohamod Wasaf; Sayeed, Md Abu; Syrmos, Nikolaos
Journal of Tropical Pharmacy and Chemistry Vol. 8 No. 2 (2024): J. Trop. Pharm. Chem.
Publisher : Faculty of Pharmacy, Universitas Mulawarman, Samarinda, Indonesia, 75117, Gedung Administrasi Fakultas Farmasi Jl. Penajam, Kampus UNMUL Gunung Kelua, Samarinda, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25026/jtpc.v8i2.634

Abstract

Secondary metabolites, a type of bioactive molecule with many functions, are abundant in Araucaria Heterophylla. The secondary metabolites flavonoids, phanolic acid, and tannin have been found to have anti-inflammatory, antiviral, antibacterial, antioxidant, and anticancer properties. The present study was conducted to analyze the phytochemical and determine the total flavonoid, tannin, phenolic content of Araucaria Heterophylla leaves extract using two different solvents (methanol and dichloromethane) using UV-Vis spectrophotometric. The plant was identified by NHB (ID No: DACB 48435) and prepared the methanolic extract to estimate the total content of tannin, phenolic & flavonoid in Araucaria Heterophylla. Folin-ciocaltu method was used for the investigation of total phenolic and tannin content. The A. heterophylla leaf methanolic and dichloromethane extract had remarkable antioxidant effects due to its high flavonoid and phenolic content. This standardised bioactive ingredient could be used in many phytopharmaceutical preparations
Design prototype of a smart household touch sensitive locker security system based on GSM technology Zeyad, Mohammad; Ghosh, Susmita; Ahmed, S.M. Masum
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 4: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (374.942 KB) | DOI: 10.11591/ijpeds.v10.i4.pp1923-1931

Abstract

This paper illustrates a portable domestic locker security system which is based on GSM (Global System for Mobile Communications) technology. A handcrafted low-cost touch sensitive box is designed (using Vero board) for the project which is one of the most attractive features of the system. The system will operate in a way that if there is any unexpected user, tries to touch any portion of the touch sensitive box, a feedback system will be turned on immediately. The feedback system will alert the property holder about the unexpected user by sending SMS (Short Message Service) and turning on an alarm system. The alarm system will be turned off only if it receives a specific SMS from the property holder. This system not only has the advantages of high sensitivity, small size and lightweight, but also it is easy to use. This system is featured with an uncomplicated design, convenient use, strong flexibility and reliable performance. Since the circuit in the system is simple and easy to contrivance, the system can be installed without any difficulty at homes & offices. It will also provide a good security in the vehicles and Automated Teller Machine (ATM) booths.
Co-Authors Afrin, Sadia Ahmed, S.M. Masum Akter, Sadia Ghosh, Ankita Hasan, Akayed Hasan, Ali Mohamod Wasaf Mahedi, Rezwan Ahmed Paul, Shimanta Sayeed, Md Abu Syrmos, Nikolaos Zeyad, Mohammad