Evidence map›Paper›PMID 21650180›Full record

ArticleLangmuir : the ACS journal of surfaces and colloids2011

On the low surface tension of lung surfactant.

Hong Zhang, Yi E Wang, Qihui Fan, Yi Y Zuo

Abstract read
In one paragraph

Article in Langmuir : the ACS journal of surfaces and colloids, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
4.2field-weighted citation impact, top 6% 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

28 citing papers in PubMed, 108 citations in OpenAlex.

  1. Comparative biophysical study of clinical surfactants using constrained drop surfactometry.American journal of physiology. Lung cellular and molecular physiology · 2024
    Article
  2. Article
  3. Polymer Lung Surfactants Attenuate Direct Lung Injury in Mice.ACS biomaterials science & engineering · 2023
    Article
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  9. Pulmonary surfactant and drug delivery: Vehiculization, release and targeting of surfactant/tacrolimus formulations.Journal of controlled release : official journal of the Controlled Release Society · 2021
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  10. Article
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  12. Tracheal acid or surfactant instillation raises alveolar surface tension.Journal of applied physiology (Bethesda, Md. : 1985) · 2018
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  17. Phase Transitions in Dipalmitoylphosphatidylcholine Monolayers.Langmuir : the ACS journal of surfaces and colloids · 2016
    Article
  18. Automated Droplet Manipulation Using Closed-Loop Axisymmetric Drop Shape Analysis.Langmuir : the ACS journal of surfaces and colloids · 2016
    Article
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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 2 institutions in 2 countries.

Hong ZhangDepartment of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA.
Yi E Wang
Qihui Fan
Yi Y Zuo
University of Hawaiʻi at Mānoa · USPeking University · CN

Funding

RESEARCH DESIGN AND BIOSTATISTICS COREU54MD007584 · NIMHD · UNIVERSITY OF HAWAII AT MANOA · PI MOKUAU, NOREEN, SHIRAMIZU, BRUCE T · 2012 to 2018
$21.1M
NIMHD NIH HHS U54 MD007584
6 · The paper itself

Abstract

Natural lung surfactant contains less than 40% disaturated phospholipids, mainly dipalmitoylphosphatidylcholine (DPPC). The mechanism by which lung surfactant achieves very low near-zero surface tensions, well below its equilibrium value, is not fully understood. To date, the low surface tension of lung surfactant is usually explained by a squeeze-out model which predicts that upon film compression non-DPPC components are gradually excluded from the air-water interface into a surface-associated surfactant reservoir. However, detailed experimental evidence of the squeeze-out within the physiologically relevant high surface pressure range is still lacking. In the present work, we studied four animal-derived clinical surfactant preparations, including Survanta, Curosurf, Infasurf, and BLES. By comparing compression isotherms and lateral structures of these surfactant films obtained by atomic force microscopy within the physiologically relevant high surface pressure range, we have derived an updated squeeze-out model. Our model suggests that the squeeze-out originates from fluid phases of a phase-separated monolayer. The squeeze-out process follows a nucleation-growth model and only occurs within a narrow surface pressure range around the equilibrium spreading pressure of lung surfactant. After the squeeze-out, three-dimensional nuclei stop growing, thereby resulting in a DPPC-enriched interfacial monolayer to reduce the air-water surface tension to very low values.

Indexed as

Membranes, ArtificialParticle SizePhospholipidsPulmonary SurfactantsSurface TensionMembranes, ArtificialPhospholipidsPulmonary Surfactants

Identifiers

PMID21650180
PMCPMC4849879
OpenAlexW2328374583

What OpenQuestion holds

Textmetadata
LicenceTDM
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.