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DOCTORAL SCHOOL IN TRANSLATIONAL BIOMEDICAL SCIENCEFORENSIC MEDICINE AND SCIENCE
Detection of Explosives in Hair:a brief introduction
Tutor:Prof. De Palo, E.
PhD StudentGiacomo MUSILE
FORENSIC AIM
Challenge
Quantity
Matrices
Structure
1000 A.D.1st Explosive employed: Black Podwer
HISTORY
Le Conteur, P. and J. Burreson, I bottoni di Napoleone - Come 17 molecole hanno cambiato la storia, 2008.
...“Sed tamen salis petrae luru vopo vir can utri et sulphuris; et sic facies tonitrum et coruscationem si scias artificium"...
Bacone, R., De secretis operibus artis et naturae, et de nullitate magiae, 1618.
LURU VOPO VIR CAN UTRI
R VII PART V NOV CORUL V
..."But still take seven parts salpetra, five young pit material, five sulfur; if you know the trick, you'll be lighting and thunder”...
"R(ecipe) VII PART(es) V NOV(ellae) CORUL(i) V"
7 KNO3 - 5 C - 5 S
R VII PART V NOV CORUL V
Le Conteur, P. and J. Burreson, I bottoni di Napoleone - Come 17 molecole hanno cambiato la storia, 2008.
CLASSIFICATIONS
nitro-compound (nitro-esther, nitro-amine , nitro-aromatic)
chlorates and perchloratesorganometals
fulminatesozonides and peroxide
azidesacetylene
EXPLOSIVE DETECTION TECHNIQUES
Ion Mobility SpectroscopyMass Spectrometry
TeraHertz SpectroscopyInfraRed Spectroscopy
Laser-Induced SpectroscopyRaman SpectroscopySensors techniques
Nanotechnology
Caygill, J.S., F. Davis, and S.P. Higson, Current trends in explosive detection techniques. Talanta, 2012. 88: p. 14-29.
UV- Vis Spectroscopy
MATRICES
MATRICES
Oxley, J.C., et al., Accumulation of explosives in hair. J Forensic Sci, 2005. 50(4): p. 826-31.
1980Royal Armament Research and Development Establishment
Sanders, K.P., et al., Preliminary investigation into the recovery of explosives from hair. Sci Justice, 2002. 42(3): p. 137-42.
LITERATURE
PRELIMINARY INVESTIGATION
Sanders, K.P., et al., Preliminary investigation into the recovery of explosives from hair. Sci Justice, 2002. 42(3): p. 137-42.
TNTNG
EGDNRDX
GC-ECD
IMS Directly placedSwabbed Liquid extraction
TNTNG EGDNTATP
Oxley, J.C., et al., Detection of explosives in hair using ion mobility spectrometry. J Forensic Sci, 2008. 53(3): p. 690-3.
DIFFERENT METHODS
IMS
Oxley, J.C., et al., Detection of explosives in hair using ion mobility spectrometry. J Forensic Sci, 2008. 53(3): p. 690-3.
Oxley, J.C., et al., Detection of explosives in hair using ion mobility spectrometry. J Forensic Sci, 2008. 53(3): p. 690-3.
“EXTRACTION” METHODS
Liquid Extraction
DirectlyPlaced
Swabbed
FUTURE DEVELOPMENT
Increase number of samples
Specific detection
Type of explosives to identify
Grazie