Two novel two-photon excited fluorescent pH probes based on the A-π-D-π-A system for intracellular pH mapping

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• 作者：Shuyi Chen^a ; Meng Zhao^a ; Jian Su^a ; Qiong Zhang^a ; Xiaohe Tian^b ; ^{t.xiaohe731@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; ^{xiaohe.t@ahu.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Shengli Li^a ; Hongping Zhou^a ; Jieying Wu^a ; ^{jywu1957@163.com" class="auth_mail" title="E-mail the corresponding author} ; Yupeng Tian^a ; ^c
• 关键词：Ratiometric pH probe ; Two-photon excited fluorescence ; Intracellular pH mapping ; Biological imaging
• 刊名：Dyes and Pigments
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：136
• 期：Complete
• 页码：807-816
• 全文大小：3228 K

文摘

<dl class="listitem" id="list_ulist0010"><dt class="label">•dt><dd>

d="p0010">Two novel pH probes (dFont">L1 and dFont">L2) were facilely synthesized by one-step reaction.

dd><dt class="label">•dt><dd>

d="p0015">Fluorescence intensity ratio of dFont">L1 and dFont">L2 can quantify the pH fluctuations.

dd><dt class="label">•dt><dd>

d="p0020">dFont">L1 and dFont">L2 show high quantum yield and large two-photon absorption cross-section.

dd><dt class="label">•dt><dd>

d="p0025">dFont">L1 and dFont">L2 show excellent selectivity response and remarkable color change to H⁺.

dd><dt class="label">•dt><dd>

d="p0030">dFont">L1 and dFont">L2 were successfully utilized to mapping pH difference intracellularly.

dd>dl>