Evidence map›Paper›PMID 42026366›Full record

ArticleJournal of fluorescence2026

A Novel Schiff Base with Large Stokes Shift for NIR Fluorescent and Colorimetric Detection of Cu

Yong Zhao, Kaiqiang Zhang, Wan Zou, Huachao Li, Yehan Yang, Hongqi Li

Abstract read
PubMed Publisher
In one paragraph

Article in Journal of fluorescence, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Yong ZhaoSchool of Chemistry and Material Engineering, Huainan Normal University, Huainan, Anhui Province, 232038, China.
Kaiqiang ZhangCollege of Education, Jingdezhen University, Jingdezhen, Jiangxi Province, 333400, China.
Wan ZouCollege of Chemistry and Chemical Engineering, Donghua University, Shanghai, 201620, China.
Huachao LiCollege of Chemistry and Chemical Engineering, Donghua University, Shanghai, 201620, China.
Yehan YangCollege of Chemistry and Chemical Engineering, Donghua University, Shanghai, 201620, China.
Hongqi LiCollege of Chemistry and Chemical Engineering, Donghua University, Shanghai, 201620, China. hongqili@dhu.edu.cn.

Funding

State Key Laboratory of Molecular Engineering of Polymers K2020-12
6 · The paper itself

Abstract

It is significant to develop a simple, rapid and low-cost analytical method for selective detection of Cu2+ ion. In this paper a new coumarin-based fluorescent probe CL was designed and synthesized for detection of Cu2+ ion. The probe not only showed a large Stokes shift of 218 nm, but also displayed fluorescence emission in near-infrared (NIR) window. Addition of Cu2+ ion to aqueous solution of probe CL caused quenching of fluorescence emission at 653 nm, and color change from red to yellow. Probe CL exhibited excellent selectivity towards Cu2+ and good anti-interference performance over other common competitive metal ions including Li+, Na+, K+, Ag+, Fe2+, Hg2+, Zn2+, Co2+, Ni2+, Mn2+, Sr2+, Ca2+, Mg2+, Al3+, Cr3+ and Fe3+. Probe CL could be used for sensing Cu2+ over a wide range of pH 5–11, with the detection limit of 2.31 µM. Sensing of Cu2+ based on photo-induced electron transfer (PET) mechanism by probe CL was revealed by spectral test and density functional theory (DFT) calculation.

Indexed as

Copper(II)CoumarinFluorescent probeNear infrared

Identifiers

PMID42026366

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.