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Koushik Saha

Publications (5)

Instructional Design of Bengali as First Language at Secondary Level in India and Bangladesh with Special Reference to Content Organisation

Koushik Saha & Debjani Guha · Asian Journal of Education and Social Studies · 2026

During teaching Bengali as a first language (BFL) in classrooms at the secondary schools in India and Bangladesh, teachers face challenges in the context of changing learners’ needs, digital culture, and diverse classroom backgrounds. This study aims to make a comparative analysi...

Open access Research Article 10.9734/ajess/2026/v52i32913

Synthesis, Spectroscopic Characterization, PXRD Structure and Thermal Study of Bis (Salicylaldiminato) cl2Fe (iii) Complex

Tamanna Binte Mahmud, Mohammad KhairulIslam, Md. Awlad Hosain & Koushik Saha · International Research Journal of Pure and Applied Chemistry · 2025

A novel Bis (salicylaldiminato)Cl2Fe(III) complex was synthesized by reacting N-salicylideneaniline Schiff base and FeCl3.6H2O in methanolic solution. The complex was characterized by FT-IR, UV-Vis spectroscopy, DSC study and Mass spectrometry. The crystal structure was solved by...

Open access Research Article 10.9734/irjpac/2025/v26i6968

Phytochemical Screening and Biological Studies of Different Extracts and GC-MS Analysis of n-Hexane Extracts of Stem Bark and Root of Calophyllum inophyllum Linn Growing in Bangladesh

Rahima Akter, Habiba Yeasmin, Md. Farid Uddin, Ananta Kumar Das, Evena Parvin Lipy, Hayatullah & Koushik Saha · European Journal of Medicinal Plants · 2026

Calophyllum inophyllum is a medicinal plant containing numerous bioactive compounds with diverse pharmacological properties. This study investigated the phytochemical composition and antioxidant, cytotoxic and anti-inflammatory activities of successive n-hexane, chloroform, ethyl...

Open access Research Article 10.9734/ejmp/2026/v37i51378

Antioxidant, Cytotoxicity and In vitro Anti-inflammatory Study on the Different Extracts of Stems and Roots of the Two Medicinal Plants: Cassia sophera and Jatropha curcas

Md. Farid Uddin, Ashikur Rahman, Md Nayeem Hossain, Robel Mahmud, Iqbal Hossain, Ananta Kumar Das & Koushik Saha · European Journal of Medicinal Plants · 2025

Different extracts of stems and roots of Cassia sophera and Jatropha curcas were screened for antioxidant, cytotoxic activity and in-vitro anti-inflammatory activity using various methods. DPPH free radical scavenging assay of Cassia sophera & Jatropha curcas showed that meth...

Open access Research Article 10.9734/ejmp/2025/v36i41277

Proximate and Elemental Analysis of Three Medicinal Plants: Cuscuta reflexa, Cassia tora and Cassia fistula

Nahid Sajia Afrin, Tarannum Tasnim, Meher Nigar Mousumy, Md. Awlad Hossain, Md. Abu Bakar Siddique, Md. Aminul Ahsan, Md. Ahedul Akbor & Koushik Saha · European Journal of Medicinal Plants · 2019

Aim: The current study explores the proximate and elemental contents of three different medicinal plants, namely Cuscuta reflexa (whole plant), Cassia tora (stem) and Cassia fistula (seed pot) that have been grown in Bangladesh. Methodology: Macro (Na, K, Ca, Mg), micro (Fe, Cu,...

Open access Research Article 10.9734/ejmp/2018/v26i430098