Evidence map›Paper›PMID 21958061›Full record

ArticleAnalytical chemistry2011

Protein separation by electrophoretic-electroosmotic focusing on supported lipid bilayers.

Chunming Liu, Christopher F Monson, Tinglu Yang, Hudson Pace, Paul S Cremer

Abstract read
In one paragraph

Article in Analytical chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 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.

Chunming LiuDepartment of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77843, USA.
Christopher F Monson
Tinglu Yang
Hudson Pace
Paul S Cremer

Funding

Multivalent Ligand-Receptor Binding on Lipid BilayersR01GM070622 · NIGMS · TEXAS A&M UNIVERSITY SYSTEM · PI CREMER, PAUL · 2004 to 2012
$2.2M
NIGMS NIH HHS GM070622NIGMS NIH HHS R01 GM070622
6 · The paper itself

Abstract

An electrophoretic-electroosmotic focusing (EEF) method was developed and used to separate membrane-bound proteins and charged lipids based on their charge-to-size ratio from an initially homogeneous mixture. EEF uses opposing electrophoretic and electroosmotic forces to focus and separate proteins and lipids into narrow bands on supported lipid bilayers (SLBs). Membrane-associated species were focused into specific positions within the SLB in a highly repeatable fashion. The steady-state focusing positions of the proteins could be predicted and controlled by tuning experimental conditions, such as buffer pH, ionic strength, electric field, and temperature. Careful tuning of the variables should enable one to separate mixtures of membrane proteins with only subtle differences. The EEF technique was found to be an effective way to separate protein mixtures with low initial concentrations, and it overcame diffusive peak broadening to allow four bands to be separated simultaneously within a 380 μm wide isolated supported membrane patch.

Indexed as

Isoelectric FocusingElectricityFluorescent DyesHydrogen-Ion ConcentrationLipid BilayersMembrane ProteinsOsmolar ConcentrationTemperatureFluorescent DyesLipid BilayersMembrane Proteins

Identifiers

PMID21958061
PMCPMC3198849

What OpenQuestion holds

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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.