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(A) Raman signatures (10°C) of the thymidine 5′ leader generated by the differences T6Oxy2 – Oxy2 (top trace) and dT6(TG)8 – d(TG)8 (bottom trace). (B) UVRR signatures (10°C) of the thymidine 5′ leader generated by the differences T6Oxy2 – Oxy2 (top trace) and dT6(TG)8 – d(TG)8 (bottom trace). Asterisks indicate uncompensated intensity of the reference intensity standard (981 cm–1 band of SO42–).
