Amine nanoparticles have emerged as a promising approach for TNT detection due to their high sensitivity and selectivity towards the explosive. Sarita Devi's research on amine nanoparticles for TNT detection explores the use of functionalized nanoparticles as chemical sensors for environmental monitoring and security applications. The study focuses on the material science and nanotechnology aspects of the development of nanomaterials for TNT detection. Surface functionalization of nanoparticles with amine groups is achieved through surface modification techniques, resulting in the formation of nanocomposites. The study investigates the sensing mechanisms underlying amine nanoparticles' TNT detection capabilities, including surface chemistry, nanotoxicity, and nanomedicine. The biocompatibility of amine nanoparticles with living systems is also explored, paving the way for future applications of these materials in nanosensors, gas sensors, and biosensors. The TNT detection capabilities of amine nanoparticles are investigated through various methods, including electrochemical, optical, fluorescent, magnetic, piezoelectric, and acoustic detection. The research focuses on the detection mechanisms underlying each technique, such as the degradation of TNT, adsorption of TNT, detection limits, selectivity, sensitivity, and specificity. Mass spectrometry, surface-enhanced Raman spectroscopy, surface plasmon resonance, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and surface area analysis are also used to investigate the properties of the nanoparticles and their interactions with TNT. The study's findings indicate that amine nanoparticles are highly effective in detecting TNT, with excellent selectivity and sensitivity, making them suitable for environmental monitoring and security applications. The study's characterization techniques reveal that the nanoparticles possess unique structural and surface properties that enable their high detection capabilities. The study also highlights the importance of careful assessment of nanotoxicity and biocompatibility in the development of nanomaterials for TNT detection and other applications. In conclusion, Sarita Devi's research on amine nanoparticles for TNT detection provides valuable insights into the development of nanomaterials for chemical sensing applications. The study's findings demonstrate the potential of amine nanoparticles for explosive detection and pave the way for the development of new, more effective materials for environmental monitoring and security applications.