Graduate Teaching Assistant (Level-2)

August 2023 to April 2024.

Organization: Department of Chemistry, Michigan State University, East Lansing, Michigan, 48824, USA

Role: Course Assistant

Course Taught: CEM 161 General Chemistry Laboratory

Duties and Responsibilities

• Instructor of the general chemistry laboratory.

• Helping create lesson plans, deliver lectures, facilitate activities, and grade exams, lab quizzes, and lab reports.

Research Fellow

June 2022 to June 2023.

Organization: Institute of Food Science and Technology (IFST), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh

Division: Quality Control

Supervisor: Dr. Tasnim Farzana

Duties and responsibilities

• Designed and demonstrated the green synthesis and characterization of nanomaterials.

• Integrated nanomaterials and food technology.

• Utilized potential nanomaterials for studying antibacterial activity.

• Explored nanomaterials for developing food product preservation, packaging, and safety techniques.

• Formulated food with a high nutrient value from available and cheap raw ingredients.

• Testified food quality and quality assurance of food ingredients.

Research Fellow

March 2021 to May 2022

Organization: Department of Chemistry, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh

Project Title: A novel biomass-derived Na/K-ion battery prototype for the next-generation low-cost energy storage system.

Principal Investigator: Dr. Al-Nakib Chowdhury

Duties and responsibilities:

• Explored waste like cotton or jute waste as potential biomass sources by converting them into useful hard carbons and soft cellulose-based gel membranes.

• Designed and fabricated hard carbon anode materials from cotton or jute waste for novel Na/K ion battery half and full cells.

• Investigated the issues of ion storage as well as the ion exchange mechanism between anode and cathode through a polyelectrolytic cellulose gel separator.

• Developed a Na/K-ion battery prototype for the low-cost next-generation energy storage system.

• Conducted advanced lab methods: inert atmospheres; electrochemical measurements (CV, CCCD, EIS, GITT); and material characterizations (XRD, FTIR, UV, FESEM).

• Investigated and interpreted experimental data from XRD, XPS, Raman spectroscopy, HRTEM, FTIR, UV, FESEM, CV, CCCD, EIS, and GITT.

• Assisted the postgraduate-level researcher in designing and performing new research work.

Research Fellow

January 2020 to December 2020

Organization: Department of Chemistry, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh

Project Title: Preparation of green adhesives utilizing supramolecular dynamic bonds of polymers.

Principal Investigator: Dr. Chanchal Kumar Roy

Duties and responsibilities:

• Assisted in the preparation and mechanical characterization of polyampholyte hydrogels.

• Analyzed the heavy metal ion removal capacity of prepared hydrogels by cyclic voltammetry.

• Established and interpreted the dynamics of metal ion adsorption processes and the key parameters governing sorption kinetics.

• Investigated the relationship between self-healing efficiency and supramolecular gel structure using polyampholyte hydrogels as a model system.

• Analyzed and interpreted the data and prepared research reports. 

• Mentored and instructed graduate students in conducting their thesis work.

Research Assistant (RA)

April 2018 to September 2019

Organization: Department of Chemistry, Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh

Project title: Synthesis and characterization of 3D-graphene-based rGO-MnOx composites for electrochemical capacitors.

Principal Investigator: Dr. Shakhawat Hossain Firoz

Duties and responsibilities: 

• Developed and characterized a crushed 3D graphene-based rGO-MnOx composite using metal and metal oxide templates.

• Comprehended the morphology-dependent chemical and physical properties of the synthesized nanocomposite.

• Studied the electrochemical performance of the prepared 3D-graphene-based rGO-MnOx nanocomposite and interpreted these with the obtained experimental and characterization data.

Lecturer (Part-Time)

September 2019 to December 2019

Organization: Department of Chemistry, Dhaka City College, Dhaka, Bangladesh

Duties and responsibilities:

• Instructor of the A-level chemistry lecture and laboratory of 100 students. 

• Evaluated continuous class assessments.

• Graded exam papers and provided course materials.

Teaching Assistant (TA)

October 2017 to September 2018

Organization: Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh

Duties and responsibilities:

• Instructor of the general chemistry laboratory of about 60 B.Sc. (engineering) students at levels 1 and 2 in various disciplines.

• Helped create lesson plans, deliver lectures, facilitate activities, and grade exams, lab quizzes, and lab reports.