Alok Das
Alok DasChemistry · Research
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Selected Projects & Research

Detailed case studies across natural product chemistry research, mobile software engineering, and scientific computation tools.

3 projects listed
Chemistry & Research
2025

Phytochemical Screening of Medicinal Plant Leaves in Jamuhandal, Hojai

6th Semester B.Sc. Chemistry Project Work Report

Field survey and qualitative phytochemical screening of five medicinal plants used by residents of Jamuhandal village, Hojai district, Assam — testing aqueous leaf extracts for steroids, tannins, saponins, flavonoids, and alkaloids.

The Challenge / Problem:

Rural households in Jamuhandal rely on locally available plants for primary healthcare, but the specific phytochemical constituents behind their traditional medicinal uses were undocumented for these local specimens.

The Implemented Solution:

Conducted an ethnobotanical field survey to identify frequently used plants, prepared herbarium specimens, and carried out aqueous extraction followed by standard qualitative reagent tests (chloroform/H2SO4 for steroids, lead acetate for tannins, froth test for saponins, NH3/H2SO4 for flavonoids, Wagner's reagent for alkaloids).

Outcome & Contribution:

Submitted dissertation (23.06.2025) under supervision of Dr. Sujit Ranjan Acharjee, RTU Department of Chemistry; confirmed steroids and saponins in all five plants, tannins in Neem only, flavonoids in three of five plants, and alkaloids absent across all samples.

Analytical ChemistryAqueous ExtractionQualitative Phytochemical TestsHerbarium PreparationEthnobotanical Survey
Role: Lead Student Researcher
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Chemistry & Software
2025

Alomole — Chemistry Companion

Domain-Specific Chemistry Toolkit for Students & Labs

A digital toolkit integrating chemical equation balancing, molarity/normality preparation math, and molecular weight computations into a fast web app.

The Challenge / Problem:

Stoichiometry conversions, redox equation balancing, and volumetric solution prep math are prone to manual calculation errors in standard student labs.

The Implemented Solution:

Built a specialized algorithmic engine in Dart and Flutter that balances multi-element chemical equations and computes exact solution formulations.

Outcome & Contribution:

Deployed live at alomolecule.web.app, widely used by peers for rapid bench calculations.

Flutter for WebDartFirebaseStoichiometry MathReactive State
Role: Developer & Domain Expert
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Flutter Mobile App
2024

Mileage Tracker — Fuel & Cost

Privacy-First Android Vehicle Management Utility

An offline-first Android application published on Google Play that enables users to track vehicle mileage, monitor fuel prices, and inspect expense graphs.

The Challenge / Problem:

Existing automotive logging apps are overburdened with ads, mandatory accounts, and confusing telemetry.

The Implemented Solution:

Created an elegant, responsive mobile application with local SQLite storage, visual expense analytics, and instant fuel economy metrics.

Outcome & Contribution:

Published on the Google Play Store with 100% crash-free sessions and positive user feedback.

FlutterDartSQLiteGoogle Play ConsoleMaterial 3
Role: Sole Creator & Publisher
Read Case StudyGoogle Play