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 Chena ; Meng Zhaoa ; Jian Sua ; Qiong Zhanga ; Xiaohe Tianb ; 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 Lia ; Hongping Zhoua ; Jieying Wua ; jywu1957@163.com" class="auth_mail" title="E-mail the corresponding author ; Yupeng Tiana ; 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
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Two novel pH probes (boldFont">L1 and boldFont">L2) were facilely synthesized by one-step reaction.
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Fluorescence intensity ratio of boldFont">L1 and boldFont">L2 can quantify the pH fluctuations.
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boldFont">L1 and boldFont">L2 show high quantum yield and large two-photon absorption cross-section.
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boldFont">L1 and boldFont">L2 show excellent selectivity response and remarkable color change to H+.
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boldFont">L1 and boldFont">L2 were successfully utilized to mapping pH difference intracellularly.