Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4737401
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Funding
- National Natural Science Foundation of China [10834015, 61077082]
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We demonstrated the feasibility of applying terahertz time-domain spectroscopy (THz-TDS) to monitor the molecular reactions in aqueous solutions of anticancer drug oxaliplatin with k-DNA and macrophages DNA. The reaction time dependent refractive index and absorption coefficient were extracted and analyzed. The reaction half-decaying time of about 4.0 h for k-DNA and 12.9 h for M-DNA was established. The results suggest that the THz-TDS detection could be an effective label-free technique to sense the molecular reaction in aqueous solutions and could be very useful in biology, medicine, and pharmacy industry. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4737401]
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