Research Project 12010305

Colorimetric Chemosensors for Explosives Detection

Project Overview

Colorimetric Chemosensors for Recognition of Explosives and Dangerous Materials

This research project focuses on developing advanced colorimetric chemosensors capable of rapid, visual detection of explosives and other dangerous materials for security and safety applications.

Project Details

Project Number: 12010305

Duration: 2019-2021

Role: Research Team Member

Status: Completed

Research Objectives

  • Develop visual detection systems
  • Enable rapid explosive identification
  • Create portable sensing devices
  • Achieve high sensitivity and selectivity
  • Enhance security applications

Target Materials

  • TNT and nitroaromatic compounds
  • Peroxide-based explosives
  • Plastic explosives
  • Chemical warfare agents
  • Hazardous industrial chemicals

Detection Mechanism & Technology

Colorimetric Sensing Principle

The sensors operate through visible color change mechanisms that occur when target molecules interact with specially designed chemosensor compounds, enabling immediate visual detection.

  • Molecular recognition elements
  • Chromophoric response systems
  • Real-time color transitions
Sensor Design Features

Advanced molecular design incorporating selective binding sites and signal transduction mechanisms for enhanced performance and reliability.

  • High selectivity for target analytes
  • Low detection limits
  • Minimal false positive rates

Security Applications & Impact

Airport Security

Rapid screening of luggage and cargo for explosive materials

Critical Infrastructure

Protection of government buildings and public facilities

Public Safety

Enhanced security for events and crowded areas

Technical Achievements

Performance Metrics:
  • Detection limits in ppb range
  • Response time under 30 seconds
  • High selectivity ratios
  • Stable color responses
Innovation Highlights:
  • Novel chemosensor architectures
  • Portable detection systems
  • Cost-effective manufacturing
  • User-friendly operation

Research Contributions

As a research team member, Dr. Mahmoud Basseem contributed expertise in organic synthesis, molecular design, and sensor characterization for explosive detection applications.

Key Contributions:
  • Chemosensor molecular design
  • Synthetic methodology development
  • Optical property characterization
  • Performance optimization studies
Project Outcomes:
  • Advanced colorimetric sensors
  • Enhanced detection capabilities
  • Security technology advancement
  • Scientific publications