Non-contact and non-destructive detection and identification of Bacillus anthracis inside paper envelopes

•Proof-of-concept for the identification of concealed BAS using SWIR-HSI is presented.•Identification is based on removal of the envelope signal using an automatic algorithm.•This technology may be used as a fast scanner prior to classical bioanalytical methods. Efficient and safe detection of Bacil...

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Bibliographic Details
Published in:Forensic science international 2019-08, Vol.301, p.e55-e58
Main Authors: Kendler, Shai, Aharoni, Ran, Cohen, Shay, Raich, Raviv, Weiss, Shay, Levy, Haim, Mano, Ziv, Fishbain, Barak, Ron, Izhar
Format: Article
Language:English
Subjects:
Absorption spectra
Algorithm
Algorithms
Bacillus anthracis
Bacteria
Bio-terror
Data analysis
Envelopes
Food
Forensic sciences
Hyperspectral imaging
Hyperspectral imaging (HSI)
Identification
Infrared imaging
Laboratories
Measurement techniques
Mercury cadmium telluride
Methods
Short wave radiation
Short-wave infrared (SWIR)
Signal processing
Spores
Statistical analysis
Terrorism
Writing
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Summary:•Proof-of-concept for the identification of concealed BAS using SWIR-HSI is presented.•Identification is based on removal of the envelope signal using an automatic algorithm.•This technology may be used as a fast scanner prior to classical bioanalytical methods. Efficient and safe detection of Bacillus anthracis spores (BAS) is a challenging task especially in bio-terror scenarios where the agent is concealed. We provide a proof-of-concept for the identification of concealed BAS inside mail envelopes using short-wave infrared hyperspectral imaging (SWIR-HSI). The spores and two other benign materials are identified according to their typical absorption spectrum. The identification process is based on the removal of the envelope signal using a new automatic new algorithm. This method may serve as a fast screening tool prior to using classical bioanalytical techniques.
ISSN:0379-0738
1872-6283
DOI:10.1016/j.forsciint.2019.05.007