Evidence map›Paper›PMID 30310587›Full record

ArticleChemical science2018

A new structure-activity relationship for cyanine dyes to improve photostability and fluorescence properties for live cell imaging.

Christian Schwechheimer, Franziska Rönicke, Ute Schepers, Hans-Achim Wagenknecht

Open access · diamondAbstract read
In one paragraph

Article in Chemical science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
2.2field-weighted citation impact, top 12% of its field
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

14 citing papers in PubMed, 42 citations in OpenAlex.

  1. Fluorogenic Sydnones for Bioorthogonal Labeling of DNA.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026
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  4. Red light excitation: illuminating photocatalysis in a new spectrum.Beilstein journal of organic chemistry · 2025
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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

4 authors at 1 institution in 1 country.

Christian SchwechheimerInstitute of Organic Chemistry , Karlsruhe Institute of Technology (KIT) , Fritz-Haber-Weg 6 , 76131 Karlsruhe , Germany . Email: Wagenknecht@kit.edu.
Franziska RönickeInstitute of Organic Chemistry , Karlsruhe Institute of Technology (KIT) , Fritz-Haber-Weg 6 , 76131 Karlsruhe , Germany . Email: Wagenknecht@kit.edu.
Ute SchepersInstitute of Toxicology and Genetics , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen , Germany.
Hans-Achim WagenknechtInstitute of Organic Chemistry , Karlsruhe Institute of Technology (KIT) , Fritz-Haber-Weg 6 , 76131 Karlsruhe , Germany . Email: Wagenknecht@kit.edu.ORCID 0000-0003-4849-2887
Karlsruhe Institute of Technology · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A new set of cyanine-indole dyes was synthesized, characterized by optical and cytotoxic properties and subsequently applied for live cell imaging. Furthermore, these dyes were postsynthetically linked covalently to the 2'-position of uridine anchors in presynthesized oligonucleotides using the copper(i)-catalyzed azide-alkyne cycloaddition in order to evaluate their photostability and imaging properties in living cells. The nucleophilicity at position C-2 of the indole part of the dyes was elucidated as key for a new structure-activity relationship that served as a rational guide to improve the photostability and optical properties of these green-emitting dyes for live cell imaging of nucleic acids. While the photostability rises exponentially with decreasing nucleophilicity, thermal bleaching experiments confirmed an opposite trend supposing that the superoxide radical anion is mainly responsible for the photobleaching of the dyes. Furthermore, the cytotoxicities of the dyes were tested in HeLa cells and moderate to low LD

Identifiers

PMID30310587
PMCPMC6115680
OpenAlexW2810688091

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.