Hydroxythiophene-bearing benzothiazole

Selective and sensitive detection of periodate and its application as security ink

Kyeong Im Hong, Woo Hyeok Choi, Woo Dong Jang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A hydroxythiophene-bearing benzothiazole (HB) in phosphate buffer solution showed strong yellow fluorescence emission, which selectively and sensitively decreased by addition of IO 4 . The reaction between HB and IO 4 dramatically accelerated by UV irradiation. The fluorescence emission of HB was gradually recovered upon thermal heating of the IO 4 -adducted product, indicating IO 4 release. Using these properties, the solution containing HB and IO 4 has been used as a fluorescence-based security ink.

Original languageEnglish
Pages (from-to)984-989
Number of pages6
JournalDyes and Pigments
Volume162
DOIs
Publication statusPublished - 2019 Mar 1

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Bearings (structural)
Ink
Fluorescence
Buffers
Phosphates
Irradiation
Heating
metaperiodate
benzothiazole

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

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abstract = "A hydroxythiophene-bearing benzothiazole (HB) in phosphate buffer solution showed strong yellow fluorescence emission, which selectively and sensitively decreased by addition of IO 4 − . The reaction between HB and IO 4 − dramatically accelerated by UV irradiation. The fluorescence emission of HB was gradually recovered upon thermal heating of the IO 4 − -adducted product, indicating IO 4 − release. Using these properties, the solution containing HB and IO 4 − has been used as a fluorescence-based security ink.",
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Hydroxythiophene-bearing benzothiazole : Selective and sensitive detection of periodate and its application as security ink. / Hong, Kyeong Im; Choi, Woo Hyeok; Jang, Woo Dong.

In: Dyes and Pigments, Vol. 162, 01.03.2019, p. 984-989.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Hong, Kyeong Im

AU - Choi, Woo Hyeok

AU - Jang, Woo Dong

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