5th european iabpa conference rome, 12-15 may 2015 reflectance spectroscopy on blood stains absorbed...
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5th European IABPA Conference Rome, May 2015 Ex vivo HEMOGLOBIN 3 Hb HbO 2 Met-Hb Hemichrome oxygenation oxydationTRANSCRIPT
5th European IABPA ConferenceRome, 12-15 May 2015
Reflectance spectroscopy on blood stains absorbed by
different backgrounds.
Davide Manzini Madatec Srl (MADATEC.COM)Pessano con Bornago (MI), Italy
Gerda Edelman ([email protected])Maurice Aalders, Ton van Leeuwen
Academic Medical Center, Biomedical Engineering and PhysicsAmsterdam, The Netherlands
Vicky Manti, Saskia van RuthWageningen UR, RIKILT Institute of Food Safety
Wageningen, The Netherlands
5th European IABPA ConferenceRome, 12-15 May 2015
Thanks for the work done by:
5th European IABPA ConferenceRome, 12-15 May 2015
500 600 700 800
10
20
30
Wavelength (nm)
Abs
orpt
ion
(mm
-1)
HbO2MetHbHC
Ex vivo
HEMOGLOBIN
3
500 550 600 650 700 750 800-2
-1.5
-1
-0.5
0
0.5
1
1.5
Wavelength (nm)
Cor
r. re
flect
ance
(-)
1 min1 hour1 day1 week
Hb HbO2
Met-Hb
Hemichrome
oxygenation
oxydation
5th European IABPA ConferenceRome, 12-15 May 2015
Thanks for the work done by:M.llo Capo Rosario Casamassima,
Forensic Science Department of the Arma dei Carabinieri (Rome)
5th European IABPA ConferenceRome, 12-15 May 2015
The elements needed to build
a Reflectance Spectroscopy system (VIS):
Spectra taken with the previous
system on sample E (blood on white paper)
Same spectra taken on sampleE in derivative mode
(differential, 20 points)
5th European IABPA ConferenceRome, 12-15 May 2015
Spectra taken on sample A(dark carpet)
5th European IABPA ConferenceRome, 12-15 May 2015
Thanks for your attention ;-)
5th European IABPA ConferenceRome, 12-15 May 2015
Fonte dell'immagine: M. C. Misiti / Istituto Centrale per il Restauro e la Conservazione del Patrimonio Archivistico e Librario, (ICRCPAL) Roma