Table 1b

b) U.V. study : The absorption spectra of : (i) diluted serum. (ii) just of the addition of the 0.4 mol/L sod. hydroxide solution. (iii) After 30 minutes incubation with the 0.4 mol/L sodium hydroxide solution.

W.L
Absorbance



(i)
(ii)
(iii)

270
0.32
0.500
0.55
275
0.36
0.470
0.58
280
0.42
0.440
0.68*
283
0.43*
0.520
0.67
285
0.42
0.520
0.65
290
0.34
0.510
0.55
293
0.30
0.525*
0.52
295
0.25
0.520
0.52
300
0.17
0.515
0.52

(i) Shows max. absorbance at 283 nm. (ii) Shows max. absorbance at 293 nm. (iii) Shows max. absorbance at 280 nm.

Nabil Hegazi Arthritis Res 2001 3:E004   doi:10.1186/ar314