Fluorescent pH sensors are provided. The fluorescent pH sensor comprises a copolymer for sensing pH and a polymerized form of N-(2-hydroxypropyl)methacrylamide (HPMA) or 2-hydroxyethyl methacrylate (HEMA). The probe for sensing pH has formula (I):
wherein R1 and R2 are as defined herein. The fluorescent pH sensors may be used in determining the pH of a sample and detecting extracellular pH in a sample. Methods for preparing the fluorescent pH sensors and the probe for sensing pH are also provided.
提供了荧光 pH 传感器。荧光 pH 传感器包括一种用于感应 pH 值的共聚物和一种 N-(2-羟丙基)甲基
丙烯酰胺(H
PMA)或
甲基丙烯酸 2-羟乙基酯(
HEMA)的聚合形式。感知 pH 值的探针具有式 (I):
其中 R1 和 R2 如本文所定义。荧光 pH 传感器可用于确定样品的 pH 值和检测样品中的细胞外 pH 值。此外,还提供了荧光 pH 传感器和感知 pH 的探针的制备方法。