Development of Biometric DNA Ink for Authentication Security

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著者

    • HASHIYADA MASAKI
    • Division of Forensic Medicine, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine

抄録

Among the various types of biometric personal identification systems, DNA provides the most reliable personal identification. It is intrinsically digital and unchangeable while the person is alive, and even after his/her death. Increasing the number of DNA loci examined can enhance the power of discrimination. This report describes the development of DNA ink, which contains synthetic DNA mixed with printing inks. Single-stranded DNA fragments encoding a personalized set of short tandem repeats (STR) were synthesized. The sequence was defined as follows. First, a decimal DNA personal identification (DNA-ID) was established based on the number of STRs in the locus. Next, this DNA-ID was encrypted using a binary, 160-bit algorithm, using a hashing function to protect privacy. Since this function is irreversible, no one can recover the original information from the encrypted code. Finally, the bit series generated above is transformed into base sequences, and double-stranded DNA fragments are amplified by the polymerase chain reaction (PCR) to protect against physical attacks. Synthesized DNA was detected successfully after samples printed in DNA ink were subjected to several resistance tests used to assess the stability of printing inks. Endurance test results showed that this DNA ink would be suitable for practical use as a printing ink and was resistant to 40 hours of ultraviolet exposure, performance commensurate with that of photogravure ink.

収録刊行物

  • THE TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE

    THE TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE 204(2), 109-117, 2004-10-01

    東北ジャーナル刊行会

参考文献:  4件中 1-4件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    10013562922
  • NII書誌ID(NCID)
    AA00863920
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00408727
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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