Application of a portable near infrared spectrometer for presumptive identification of psychoactive drugs

Application of a portable near infrared spectrometer for presumptive identification of psychoactive drugs

Highlights • We tried to identify psychoactive drugs by near infrared spectrometry. • We optimized data-pretreatment methods and library search algorithm. • Identification criteria were decided using the authentic drug standards. • 8 of 11 forensic samples were truly identified by the criteria....

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Veröffentlicht in:Forensic science international 2014-09, Vol.242, p.162-171
Hauptverfasser: Tsujikawa, Kenji, Yamamuro, Tadashi, Kuwayama, Kenji, Kanamori, Tatsuyuki, Iwata, Yuko T, Miyamoto, Kazuna, Kasuya, Fumiyo, Inoue, Hiroyuki
Format: Artikel
Sprache:eng
Schlagworte:
2nd derivative
Cellulose
Cocaine
Correlation coefficient
Data analysis
Differentiation
Drugs
Forensic sciences
Infrared spectrometers
Lactose
Libraries
Library search
Mathematical analysis
Methods
Multivariate analysis
Near infrared spectrometry
Pathology
Pharmaceutical industry
Portability
Pretreatment
Psychoactive substances
Psychotropic drugs
Search algorithms
Sodium
Software
Standard normal variate
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Zusammenfassung:Highlights • We tried to identify psychoactive drugs by near infrared spectrometry. • We optimized data-pretreatment methods and library search algorithm. • Identification criteria were decided using the authentic drug standards. • 8 of 11 forensic samples were truly identified by the criteria.
ISSN:0379-0738
1872-6283
DOI:10.1016/j.forsciint.2014.05.020