pH Insensitive glucose fluorescence molecular probe

ANYL 211

Kaiming Ye, kye@uark.edu and Jared Garrett. Department of Biomedical Engineering, University of Arkansas, 700 Research Center Blvd., 3914 ENRC, Fayetteville, AR 72701
In our previous studies, we have developed a glucose indictor (GIP)and used it for continuous monitoring of glucose concentration. In this study, we present a new type of GIPs that can tolerate to pH changes between pH 7.4 to 5.5. As the intracellular pH varies within living cells, The pH insensitive GIPs will be useful for the determination of intracellular glucose concentration through FRET fluorescence imaging measurement of GIPs which genes are integrated to the chromosome of the target cells through retrovirus infection. Our experiment results demonstrated that the engineered GIP is less affected by pH, making it ideal for use in determining the intracellular glucose within living cells using fluorescence lifetime imaging microscopy measurement.

 

General Posters
7:00 PM-9:00 PM, Sunday, August 19, 2007 BCEC -- Exhibit Hall - B2, Poster

Sci-Mix
8:00 PM-10:00 PM, Monday, August 20, 2007 BCEC -- Exhibit Hall - B2, Sci-Mix

Division of Analytical Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007