TL and ESR based identification of gamma-irradiated frozen fish using different hydrolysis techniques

Jae Jun Ahn; Kashif Akram; Hafiz Muhammad Shahbaz; Joong Ho Kwon

doi:10.1016/j.radphyschem.2014.05.028

TL and ESR based identification of gamma-irradiated frozen fish using different hydrolysis techniques

Jae Jun Ahn, Kashif Akram, Hafiz Muhammad Shahbaz, Joong Ho Kwon

Research output: Contribution to journal › Article › peer-review

Abstract

Frozen fish fillets (walleye Pollack and Japanese Spanish mackerel) were selected as samples for irradiation (0-10kGy) detection trials using different hydrolysis methods. Photostimulated luminescence (PSL)-based screening analysis for gamma-irradiated frozen fillets showed low sensitivity due to limited silicate mineral contents on the samples. Same limitations were found in the thermoluminescence (TL) analysis on mineral samples isolated by density separation method. However, acid (HCl) and alkali (KOH) hydrolysis methods were effective in getting enough minerals to carry out TL analysis, which was reconfirmed through the normalization step by calculating the TL ratios (TL₁/TL₂). For improved electron spin resonance (ESR) analysis, alkali and enzyme (alcalase) hydrolysis methods were compared in separating minute-bone fractions. The enzymatic method provided more clear radiation-specific hydroxyapatite radicals than that of the alkaline method. Different hydrolysis methods could extend the application of TL and ESR techniques in identifying the irradiation history of frozen fish fillets.

Original language	English
Pages (from-to)	83-88
Number of pages	6
Journal	Radiation Physics and Chemistry
Volume	105
DOIs	https://doi.org/10.1016/j.radphyschem.2014.05.028
Publication status	Published - Dec 1 2014
Externally published	Yes

Keywords

Electron spin resonance
Frozen fish fillet
Hydrolysis
Photostimulated luminescence
Thermoluminescence

ASJC Scopus subject areas

Radiation

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10.1016/j.radphyschem.2014.05.028

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title = "TL and ESR based identification of gamma-irradiated frozen fish using different hydrolysis techniques",

abstract = "Frozen fish fillets (walleye Pollack and Japanese Spanish mackerel) were selected as samples for irradiation (0-10kGy) detection trials using different hydrolysis methods. Photostimulated luminescence (PSL)-based screening analysis for gamma-irradiated frozen fillets showed low sensitivity due to limited silicate mineral contents on the samples. Same limitations were found in the thermoluminescence (TL) analysis on mineral samples isolated by density separation method. However, acid (HCl) and alkali (KOH) hydrolysis methods were effective in getting enough minerals to carry out TL analysis, which was reconfirmed through the normalization step by calculating the TL ratios (TL1/TL2). For improved electron spin resonance (ESR) analysis, alkali and enzyme (alcalase) hydrolysis methods were compared in separating minute-bone fractions. The enzymatic method provided more clear radiation-specific hydroxyapatite radicals than that of the alkaline method. Different hydrolysis methods could extend the application of TL and ESR techniques in identifying the irradiation history of frozen fish fillets.",

keywords = "Electron spin resonance, Frozen fish fillet, Hydrolysis, Photostimulated luminescence, Thermoluminescence",

author = "Ahn, {Jae Jun} and Kashif Akram and Shahbaz, {Hafiz Muhammad} and Kwon, {Joong Ho}",

note = "Publisher Copyright: {\textcopyright} 2014 Elsevier Ltd.",

year = "2014",

month = dec,

day = "1",

doi = "10.1016/j.radphyschem.2014.05.028",

language = "English",

volume = "105",

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T1 - TL and ESR based identification of gamma-irradiated frozen fish using different hydrolysis techniques

AU - Ahn, Jae Jun

AU - Akram, Kashif

AU - Shahbaz, Hafiz Muhammad

AU - Kwon, Joong Ho

PY - 2014/12/1

Y1 - 2014/12/1

N2 - Frozen fish fillets (walleye Pollack and Japanese Spanish mackerel) were selected as samples for irradiation (0-10kGy) detection trials using different hydrolysis methods. Photostimulated luminescence (PSL)-based screening analysis for gamma-irradiated frozen fillets showed low sensitivity due to limited silicate mineral contents on the samples. Same limitations were found in the thermoluminescence (TL) analysis on mineral samples isolated by density separation method. However, acid (HCl) and alkali (KOH) hydrolysis methods were effective in getting enough minerals to carry out TL analysis, which was reconfirmed through the normalization step by calculating the TL ratios (TL1/TL2). For improved electron spin resonance (ESR) analysis, alkali and enzyme (alcalase) hydrolysis methods were compared in separating minute-bone fractions. The enzymatic method provided more clear radiation-specific hydroxyapatite radicals than that of the alkaline method. Different hydrolysis methods could extend the application of TL and ESR techniques in identifying the irradiation history of frozen fish fillets.

AB - Frozen fish fillets (walleye Pollack and Japanese Spanish mackerel) were selected as samples for irradiation (0-10kGy) detection trials using different hydrolysis methods. Photostimulated luminescence (PSL)-based screening analysis for gamma-irradiated frozen fillets showed low sensitivity due to limited silicate mineral contents on the samples. Same limitations were found in the thermoluminescence (TL) analysis on mineral samples isolated by density separation method. However, acid (HCl) and alkali (KOH) hydrolysis methods were effective in getting enough minerals to carry out TL analysis, which was reconfirmed through the normalization step by calculating the TL ratios (TL1/TL2). For improved electron spin resonance (ESR) analysis, alkali and enzyme (alcalase) hydrolysis methods were compared in separating minute-bone fractions. The enzymatic method provided more clear radiation-specific hydroxyapatite radicals than that of the alkaline method. Different hydrolysis methods could extend the application of TL and ESR techniques in identifying the irradiation history of frozen fish fillets.

KW - Electron spin resonance

KW - Frozen fish fillet

KW - Hydrolysis

KW - Photostimulated luminescence

KW - Thermoluminescence

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DO - 10.1016/j.radphyschem.2014.05.028

M3 - Article

AN - SCOPUS:84908593720

SN - 0969-806X

VL - 105

SP - 83

EP - 88

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

ER -

TL and ESR based identification of gamma-irradiated frozen fish using different hydrolysis techniques

Abstract

Keywords

ASJC Scopus subject areas

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