Functionalization of carbon nanotubes thesis

The loading of the nucleoside on the resin can be determined by trityl analysis. A small quantity of resin (1 mg) is treated with a strong acid (. a 1:1 mixture of concentrated hydrochloric acid and ethanol) to cleave the DMT group. An aliquot of the resultant orange solution is taken and its absorbance at 495 nm is measured in a UV/visible spectrophotometer. This allows the amount of DMT cation to be determined (using the extinction coefficient of the DMT cation at 495 nm, E 495 = 71 700 M −1 cm −1 ). The loading of the resin (per 1 mg of resin) is equal to this amount:

Functionalization of carbon nanotubes thesis

functionalization of carbon nanotubes thesis

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