2 条结果 关键词:铜掺杂碳点 ×

Copper and nickel doped carbon dots for rapid and sensitive fluorescent turn-off detection of bilirubin.

Scientific reports 2025 Lakshmi Devi A, Sreelakshmi M, Suneesh PV, Satheesh Babu TG

金属与非金属掺杂碳点因光学和电子性能增强而受到关注。本研究以聚乙烯亚胺(PEI)为前驱体,通过水热法合成氮掺杂碳点(CD)以及镍、铜共掺杂碳点(NiCD、CuCD)。所得碳点在350 nm激发下于470 nm发射蓝色荧光,并被用于胆红素(bilirubin, BR)的荧光检测。在0.5–280 µM范围内,碳点荧光强度随BR浓度增加...

Facile one-step fabrication of Cu-doped carbon dots as a dual-selective biosensor for detection of pyrophosphate ions and measurement of pH.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy 2022 Yang Y, Wang C, Shu Q, Xu N 等 8 人

本文报道了一种通过一锅水热法快速、简便合成的铜掺杂碳点(Cu-CDs),用于焦磷酸根离子(PPi)和 pH 的双重选择性检测。所得 Cu-CDs 平均粒径约 2.55 nm,具有激发无关荧光发射,并含有羧基和氨基等表面功能基团,可作为基于表面钝化机制的荧光纳米探针。在优化条件下,Cu-CDs 对 PPi 的荧光响应在 0.05–20...