期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 870, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2020.114238
关键词
Electrochemiluminescence imaging; Electropolymerization; Identification; Latent fingerprints; Polyluminol
资金
- Key Laboratory of Trace Science and Technology of Ministry of Public Security [2018FMKFKT04]
- National Natural Science Foundation of China [21874117]
- Zhejiang Provincial Nature Science Foundation [LZ18B050001]
An efficient method has been developed for visualizing latent fingerprints by spatially selective electropolymerization of luminol on the ITO electrode. The fingerprint deposited on the electrode surface functions as a mask so that polyluminol is formed on the bare electrode surface. Therefore, electrochemiluminescence is only generated between the ridges of fingerprint, eventually yielding a negative ECL image. This method is easy to operate and safe to examiners. In addition, the second- and third-level details of fingerprints can be well resolved, indicating the potential application for personal identification and forensic investigation.
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