Non-invasive authentication of mail packages using nuclear quadrupole resonance spectroscopy Posted on May 3, 2023May 3, 2023 By sdargoltz Kelsey Horace-Herron, Naren Vikram Raj Masna, Peyman Dehghanzadeh, Soumyajit Mandal & Swarup Bhunia Sci Rep; 13:5546; 2023 Access article Chemistry, Crime Scene Investigation and Reconstruction, Fire Investigation and Explosions, Photography, Video, and Imaging Technology, Seized Drugs/Controlled Substances, Trace Evidence