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Surface-enhanced Raman spectroscopy (SERS) characterisation of abasic sites in DNA duplexes
Luca Guerrini1, Ramon A Alvarez-Puebla
1Department of Physical and Inorganic Chemistry and EMaS, Universitat Rovira I Virgili, Carrer de Marcel.lí Domingo s/n, 43007 Tarragona, Spain. luca.guerrini@urv.cat ramon.alvarez@urv.cat.
The Analyst
|November 9, 2019
Abstract:
In this study, direct surface-enhanced Raman scattering (SERS) spectroscopy is used as an exquisite nano-optical tool for ultrasensitive structural characterisation of abasic sites in DNA. In addition, the conformational discrimination (intra- vs. extra-helical) of the nucleobase opposite to the abasic site was also achieved.

