DETERMINATION OF PROTEINS BASED ON THEIR RESONANCE LIGHT SCATTERING ENHANCEMENT EFFECT ON SODIUM DODECYL BENZENE SULFONATE

2002 ◽  
Vol 35 (2) ◽  
pp. 227-238 ◽  
Author(s):  
Wei Lu ◽  
Ping Feng ◽  
Yuan Fang Li ◽  
Cheng Zhi Huang
2014 ◽  
Vol 525 ◽  
pp. 89-92
Author(s):  
Wei Huang ◽  
Feng Wang ◽  
Hong Long Zhu

It is found that the fluorescence of curcumin is greatly enhanced by La3+ in the prescence of sodium dodecyl benzene sulfonate (SDBS). Based on this, a sensitive fluorimetric method for the determination of curcumin in aqueous solution is proposed. In the HOAc-NaOAc buffer, the fluorescence intensity of curcumin is proportional to the concentration of curcumin in the range of 0.0074-7.4μg·mL-1 and the detection limit is 3.66ng·mL-1. The actual samples are satisfactorily determined.


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