Evidence map›Paper›PMID 30240737›Full record

ArticleiScience2018

Porphyrin Dyes for Nonlinear Optical Imaging of Live Cells.

Anjul Khadria, Jan Fleischhauer, Igor Boczarow, James D Wilkinson, Michael M Kohl, Harry L Anderson

Abstract read
In one paragraph

Article in iScience, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

9 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Review
  5. The journal of physical chemistry. A · 2021
    Article
  6. ACS medicinal chemistry letters · 2020
    Article
  7. Article
  8. Article
  9. 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.

Anjul KhadriaDepartment of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK.
Jan FleischhauerDepartment of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK.
Igor BoczarowDepartment of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK.
James D WilkinsonDepartment of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK.
Michael M KohlDepartment of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.
Harry L AndersonDepartment of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK. Electronic address: harry.anderson@chem.ox.ac.uk.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Second harmonic generation (SHG)-based probes are useful for nonlinear optical imaging of biological structures, such as the plasma membrane. Several amphiphilic porphyrin-based dyes with high SHG coefficients have been synthesized with different hydrophilic head groups, and their cellular targeting has been studied. The probes with cationic head groups localize better at the plasma membrane than the neutral probes with zwitterionic or non-charged ethylene glycol-based head groups. Porphyrin dyes with only dications as hydrophilic head groups localize inside HEK293T cells to give SHG, whereas tricationic dyes localize robustly at the plasma membrane of cells, including neurons, in vitro and ex vivo. The copper(II) complex of the tricationic dye with negligible fluorescence quantum yield works as an SHG-only dye. The free-base tricationic dye has been demonstrated for two-photon fluorescence and SHG-based multimodal imaging. This study demonstrates the importance of a balance between the hydrophobicity and hydrophilicity of amphiphilic dyes for effective plasma membrane localization.

Indexed as

ChemistryImaging Methods in ChemistryNonlinear OpticsOrganic Synthesis

Identifiers

PMID30240737
PMCPMC6147020

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.