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Park B, Lee BJ, Dugasani SR, et al. Enhanced nonlinear optical characteristics of copper-ion-doped double crossover DNAs. Nanoscale. 2015;7(43):18089-95doi: 10.1039/c5nr05075h.
Park, B., Lee, B. J., Dugasani, S. R., Cho, Y., Kim, C., Seo, M., Lee, T., Jhon, Y. M., Choi, J., Lee, S., Park, S. H., Jun, S. C., Yeom, D. I., Rotermund, F., & Kim, J. H. (2015). Enhanced nonlinear optical characteristics of copper-ion-doped double crossover DNAs. Nanoscale, 7(43), 18089-95. https://doi.org/10.1039/c5nr05075h
Park, Byeongho, et al. "Enhanced nonlinear optical characteristics of copper-ion-doped double crossover DNAs." Nanoscale vol. 7,43 (2015): 18089-95. doi: https://doi.org/10.1039/c5nr05075h
Park B, Lee BJ, Dugasani SR, Cho Y, Kim C, Seo M, Lee T, Jhon YM, Choi J, Lee S, Park SH, Jun SC, Yeom DI, Rotermund F, Kim JH. Enhanced nonlinear optical characteristics of copper-ion-doped double crossover DNAs. Nanoscale. 2015 Nov 21;7(43):18089-95. doi: 10.1039/c5nr05075h. PMID: 26469873.
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Nanoscale. 2015 Nov 21;7(43):18089-95. doi: 10.1039/c5nr05075h.

Enhanced nonlinear optical characteristics of copper-ion-doped double crossover DNAs.

Nanoscale

Byeongho Park, Byung Jic Lee, Sreekantha Reddy Dugasani, Youngho Cho, Chulki Kim, Minah Seo, Taikjin Lee, Young Min Jhon, Jaebin Choi, Seok Lee, Sung Ha Park, Seong Chan Jun, Dong-Il Yeom, Fabian Rotermund, Jae Hun Kim

Affiliations

  1. Sensor System Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea and School of Mechanical Engineering, Yonsei University, Seoul, Republic of Korea. [email protected].
  2. Department of Physics and Department of Energy Systems Research, Ajou University, Suwon, Republic of Korea. [email protected].
  3. Department of Physics and Sungkyunkwan Advanced Institute of Nanotechnology, Sungkyunkwan University, Suwon, Republic of Korea.
  4. Sensor System Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea and Department of Bio and Nano Chemistry, Kookmin University, Seoul, Republic of Korea.
  5. Sensor System Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea.
  6. School of Mechanical Engineering, Yonsei University, Seoul, Republic of Korea. [email protected].

PMID: 26469873 DOI: 10.1039/c5nr05075h

Abstract

The modification of deoxyribonucleic acid (DNA) samples by sequencing the order of bases and doping copper ions opens the possibility for the design of novel nanomaterials exhibiting large optical nonlinearity. We investigated the nonlinear characteristics of copper-ion doped double crossover DNA samples for the first time to the best of our knowledge by using Z-scan and four-wave mixing methods. To accelerate the nonlinear characteristics, we prepared two types of unique DNA nanostructures composed of 148 base pairs doped with copper ions with a facile annealing method. The outstanding third-order nonlinear optical susceptibility of the copper-ion-doped DNA solution, 1.19 × 10(-12) esu, was estimated by the conventional Z-scan measurement, whereas the four-wave mixing experiment was also investigated. In the visible spectral range, the copper-ion-doped DNA solution samples provided competent four-wave mixing signals with a remarkable conversion efficiency of -4.15 dB for the converted signal at 627 nm. The interactions between DNA and copper ions contribute to the enhancement of nonlinearity due to structural and functional changes. The present study signifies that the copper-ion-doped double crossover DNA is a potential candidate as a highly efficient novel material for further nonlinear optical applications.

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