Evidence map›Paper›PMID 19917241›Full record

ArticleBiophysical journal2009

Quantitative imaging of molecular order in lipid membranes using two-photon fluorescence polarimetry.

Alicja Gasecka, Tsai-Jung Han, Cyril Favard, Bong Rae Cho, Sophie Brasselet

Abstract read
In one paragraph

Article in Biophysical journal, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing 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

24 citing papers in PubMed.

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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

5 authors.

Alicja GaseckaInstitut Fresnel-MOSAIC Group, UMR 6133, Centre National de la Recherche Scientifique, Université Aix Marseille III, Domaine Universitaire St Jerome, Marseille, France.
Tsai-Jung Han
Cyril Favard
Bong Rae Cho
Sophie Brasselet

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We present a polarimetric two-photon microscopy technique to quantitatively image the local static molecular orientational behavior in lipid and cell membranes. This approach, based on a tunable excitation polarization state complemented by a polarized readout, is easily implementable and does not require hypotheses on the molecular angular distribution such as its mean orientation, which is a main limitation in traditional fluorescence anisotropy measurements. The method is applied to the investigation of the molecular angular distribution in giant unilamellar vesicles formed by liquid-ordered and liquid-disordered micro-domains, and in COS-7 cell membranes. The highest order contrast between ordered and disordered domains is obtained for dyes locating within the membrane acyl chains.

Indexed as

Cell MembraneUnilamellar LiposomesAlgorithmsAnimalsChickensChlorocebus aethiopsCholesterolCOS CellsMicroscopy, Fluorescence, MultiphotonMicroscopy, PolarizationModels, TheoreticalPhosphatidylcholinesSphingomyelins1,2-oleoylphosphatidylcholineCholesterolPhosphatidylcholinesSphingomyelinsUnilamellar Liposomes

Identifiers

PMID19917241
PMCPMC2776251

What OpenQuestion holds

Textmetadata
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.