Forensic science plays a crucial role in criminal investigation by providing scientific evidence from crime scenes,and fingerprints remain is most encountered form of physical evidence.Fingerprints,classified as paten...Forensic science plays a crucial role in criminal investigation by providing scientific evidence from crime scenes,and fingerprints remain is most encountered form of physical evidence.Fingerprints,classified as patent,plastic,or latent print,are unique to individuals and can aid in personal identification.Latent fingerprints,which are often invisible to the naked eye,require specialized development techniques to be visualized.Traditional methods such as powder methods and chemical methods including iodine fuming,silver nitrate,and cyanoacrylate fuming have been useful for the identification of fingerprints,but limitations arise with older or environmentally exposed prints.In recent years,nanotechnology has been recognized as a powerful tool in forensic science for the development of invisible and latent fingerprints.This review explores the use of nanoparticles,such as metal oxide,in enhancing fingerprint detection.Nanoparticles offer increased sensitivity,selectivity,and the ability to visualize prints on complex surfaces.The application of nanomaterials in latent fingerprint analysis provides new possibilities for criminal identification,paving the way for more accurate and efficient forensic investigations.展开更多
文摘Forensic science plays a crucial role in criminal investigation by providing scientific evidence from crime scenes,and fingerprints remain is most encountered form of physical evidence.Fingerprints,classified as patent,plastic,or latent print,are unique to individuals and can aid in personal identification.Latent fingerprints,which are often invisible to the naked eye,require specialized development techniques to be visualized.Traditional methods such as powder methods and chemical methods including iodine fuming,silver nitrate,and cyanoacrylate fuming have been useful for the identification of fingerprints,but limitations arise with older or environmentally exposed prints.In recent years,nanotechnology has been recognized as a powerful tool in forensic science for the development of invisible and latent fingerprints.This review explores the use of nanoparticles,such as metal oxide,in enhancing fingerprint detection.Nanoparticles offer increased sensitivity,selectivity,and the ability to visualize prints on complex surfaces.The application of nanomaterials in latent fingerprint analysis provides new possibilities for criminal identification,paving the way for more accurate and efficient forensic investigations.
