Anthracylmethyl crown ethers as fluorescence sensors of saxitoxin

✍ Scribed by Robert E. Gawley; Qianhui Zhang; Paul I. Higgs; Shaopeng Wang; Roger M. Leblanc

• Book ID: 104261849
• Publisher: Elsevier Science
• Year: 1999
• Tongue: French
• Weight: 329 KB
• Volume: 40
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(99)01066-7

✦ Synopsis

Anthracylmethyl crowns 1 and 2 show up to 30-fold increase in fluorescence emission intensity in the presence of saxitoxin in ethanol, and sixfold enhancement in 80% ethanol. The binding constant between saxitoxin and 1 is 3880 M -1 in ethanol and 1100 M -1 in 80% ethanol.