Flexibility of single-stranded DNA measured by single-molecule FRET

J Kang, J Jung, SK Kim – Biophysical chemistry, 2014 – Elsevier
… the new platform of alternating laser excitation (ALEX) FRET was introduced that employs an
additional excitation laser to directly … Two continuous-wave excitation lasers (532 nm:
635 nm: TECRL-25G-635, World Star Tech) were alternatingly irradiated on …
http://www.sciencedirect.com/science/article/pii/S0301462214001045