✦ LIBER ✦

Solid-substrate and micellar-stabilized room temperature phosphorescence of two anilinonaphthalenesulfonates

✍ Scribed by Ai-Jun Tong; Ying-Guang Wu; Long-Di Li

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 673 KB
Volume: 322
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(95)00590-0

No coin nor oath required. For personal study only.

✦ Synopsis

Room temperature phosphorimetric studies were made on two important fluorescent probes: 8-~linonaph~~ene-lsulfonate (ANS) and 6-toluidinylnaphthalene-2-sulfonate (TNS). The two dyes gave proper RTP signals using solid-substrate room temperatnre phosphorimetry (SS-RTP) and micellar-stabilized room temperature phosphorimetry (MS-RTP) under the experimental conditions described in this article. The SS-RTP signals are observed on filter paper using thallium(I) nitrate as a heavy atom. The MS-RTP emission of the compounds is also measurable in sodium dodecyl sulfate (SDS) micelles by applying sodium sulfite as an oxygen scavenger and ~al~urn(I) nitrate as a heavy atom. Light irradiation for a certain period of time could increase the RTP intensities of ANS and TNS solutions. Our results provide some useful information for the RTP studies of derivatized macromolecules using ANS or TNS as phosphorescent probes.

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