Nondestructive Classification of Benzodiazepines Sedatives Based on ATR-SEIRAS Analysis Technology

Mi Zhu; Hongjian Zhu; Yaoqing Chen

doi:10.3788/LOP202259.0230001

Laser & Optoelectronics Progress, Volume. 59, Issue 2, 0230001(2022)

Nondestructive Classification of Benzodiazepines Sedatives Based on ATR-SEIRAS Analysis Technology

Mi Zhu^1、*, Hongjian Zhu², and Yaoqing Chen¹

Author Affiliations

¹Department of Criminal Science and Technology, Hunan Police College, Changsha , Hunan 410138, China

²Yuelu Branch of Changsha Public Security Bureau of Hunan Province, Changsha , Hunan 410006, China

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Figures & Tables(7)

Fig. 1. ATR-SEIRAS spectra of 8 types of benzodiazepine sedatives

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Fig. 2. First derivative ATR-SEIRAS spectra of 8 types of benzodiazepine sedatives

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Fig. 3. Classification accuracy of samples under different characteristic variable quantities. (a) Original spectral dataset; (b) first derivative spectral dataset; (c) fused spectral dataset

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Fig. 4. Spatial distribution of all samples obtained by FDA model based on spectral combination dataset

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Table 1. Essential details of 81 benzodiazepine sedatives samples
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Table 1. Essential details of 81 benzodiazepine sedatives samples
Type Quantity Type Quantity
Estazolam 15 Clozapine 6
Diazepam 18 Clonazepam 12
Alprazolam 6 Midazolam maleate 6
Lorazepam 6 Nitrazepam 12

Table 2. Classification of 8 types of samples by FDA model

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Table 2. Classification of 8 types of samples by FDA model

Dataset	Type	Accuracy /%
Original spectrum	Estazolam	100
	Diazepam	100
	Alprazolam	83.3
	Lorazepam	100
	Clozapine	100
	Clonazepam	100
	Midazolam maleate	50
	Nitrazepam	100
First derivative spectrum	Estazolam	100
	Diazepam	100
	Alprazolam	83.3
	Lorazepam	100
	Clozapine	100
	Clonazepam	100
	Midazolam maleate	100
	Nitrazepam	100
Spectral combination	Estazolam	100
	Diazepam	100
	Alprazolam	100
	Lorazepam	100
	Clozapine	100
	Clonazepam	100
	Midazolam maleate	100
	Nitrazepam	100

Table 3. Classification of 8 types of samples by MLPNN model

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Table 3. Classification of 8 types of samples by MLPNN model

Dataset	Type	Accuracy /%
Original spectrum	Estazolam	80
	Diazepam	100
	Alprazolam	100
	Lorazepam	100
	Clozapine	50
	Clonazepam	75
	Midazolam maleate	100
	Nitrazepam	100
First derivative spectrum	Estazolam	100
	Diazepam	100
	Alprazolam	100
	Lorazepam	100
	Clozapine	100
	Clonazepam	100
	Midazolam maleate	100
	Nitrazepam	75
Spectral combination	Estazolam	100
	Diazepam	100
	Alprazolam	100
	Lorazepam	100
	Clozapine	100
	Clonazepam	100
	Midazolam maleate	100
	Nitrazepam	83.3

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Mi Zhu, Hongjian Zhu, Yaoqing Chen. Nondestructive Classification of Benzodiazepines Sedatives Based on ATR-SEIRAS Analysis Technology[J]. Laser & Optoelectronics Progress, 2022, 59(2): 0230001

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