The optical absorbance of single-wall carbon nanotubes has peaks that represent band-gap absorbance. Its location in the spectrum is very sensitive to the local environment, a solvatochromic effect. We use this effect to study the kinetics of displacing biological molecules from the surface of CNTs.

Roxbury, Daniel, Xiaomin Tu, Ming Zheng, and Anand Jagota. "Recognition ability of DNA for carbon nanotubes correlates with their binding affinity."Langmuir 27, no. 13 (2011): 8282-8293.

Roxbury, Daniel, Shao-Qing Zhang, Jeetain Mittal, William F. DeGrado, and Anand Jagota. "Structural Stability and Binding Strength of a Designed Peptide-Carbon Nanotube Hybrid." The Journal of Physical Chemistry C (2013).

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