TABLE 2.
Assignmenta | Frequency (cm−1) |
Heat-induced effect | |
---|---|---|---|
Dried sample | Aqueous sample | ||
A ring stretching (726) | 726 | 722-727 | |
C/U breathing/stretching (787) | 783 | 783 | |
O-P-O symmetric stretching (813) | 811 | 811 | + (60°C) |
Ribose-phosphate, C-O stretching (919) | 914-921 | − | |
Ribose-phosphate, C-O stretching (977) | 969-980 | − | |
P-O stretch, sugar phosphate; C-O stretching (1,047) | 1,044 | 1,044shb | + |
PO2− symmetric stretch (1,097) | 1,091-1,100 | 1,090-1,100 | |
U/C ring stretching (1,253) | 1,252 | 1,250 | |
C/A ring stretching (1,300) | 1,300 | 1,300 | − |
A, G, U (1,336) | 1,336 | 1,335 | + |
U/C ring stretching (1,460) | 1,460 | 1,458 | − |
A/G ring stretching (1,485) | 1,480 | 1,478 | + |
A/G ring stretching (1,578) | 1,576 | 1,578 | + |
The assignment is based on the study by Hobro et al. (39).
sh, shoulder.