Evidence map›Paper›PMID 42813419›Full record

ArticleChemical communications (Cambridge, England)2026

Activated excited-state isomerisation in a hemipiperazine photoswitch.

Eleanor K Ashworth, Anam Fatima, Samuel Bleckmann, Zbigniew L Pianowski, Joseph A Wright, Stephen R Meech, Partha Malakar, James N Bull

Abstract read
In one paragraph

Article in Chemical communications (Cambridge, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

8 authors.

Eleanor K AshworthChemistry, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom. james.bull@uea.ac.uk.ORCID http://orcid.org/0000-0003-4805-4860
Anam FatimaChemistry, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom. james.bull@uea.ac.uk.ORCID http://orcid.org/0000-0003-2388-4390
Samuel BleckmannInstitute of Organic Chemistry (IOC), Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany.
Zbigniew L PianowskiInstitute of Organic Chemistry (IOC), Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany.ORCID http://orcid.org/0000-0002-2623-744X
Joseph A WrightChemistry, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom. james.bull@uea.ac.uk.ORCID http://orcid.org/0000-0001-9603-1001
Stephen R MeechChemistry, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom. james.bull@uea.ac.uk.ORCID http://orcid.org/0000-0001-5561-2782
Partha MalakarCentral Laser Facility, Research Complex at Harwell, Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom.
James N BullChemistry, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, United Kingdom. james.bull@uea.ac.uk.ORCID http://orcid.org/0000-0003-0953-1716

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Hemipiperazines are an emerging class of robust molecular photoswitches based on a 2,5-diketopiperazine scaffold. We resolve the excited-state pathway responsible for efficient photoisomerisation of a model hydrogen-bonded hemipiperazine photoswitch using ultrafast time-resolved infrared spectroscopy and temperature-dependent fluorescence measurements.

Identifiers

PMID42813419
PMCPMC13624959

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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.