Evidence map›Paper›PMID 23672369›Full record

ArticleAnalytical chemistry2013

Western blotting using microchip electrophoresis interfaced to a protein capture membrane.

Shi Jin, Gwendolyn J Anderson, Robert T Kennedy

Open access · greenAbstract read
In one paragraph

Article in Analytical chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
5.3field-weighted citation impact, top 4% 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

16 citing papers in PubMed, 44 citations in OpenAlex.

  1. Comprehensive Optimization of Western Blotting.Gels (Basel, Switzerland) · 2023
    Article
  2. Article
  3. The Intriguing Landscape of Single-Cell Protein Analysis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022
    Review
  4. Article
  5. Review
  6. Article
  7. Recent Advances in Microscale Western Blotting.Analytical methods : advancing methods and applications · 2016
    Article
  8. Article
  9. Hydrogel Pore-Size Modulation for Enhanced Single-Cell Western Blotting.Advanced materials (Deerfield Beach, Fla.) · 2016
    Article
  10. Article
  11. Aptamer-based microchip electrophoresis assays for amplification detection of carcinoembryonic antigen.Clinica chimica acta; international journal of clinical chemistry · 2015
    Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Review
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

3 authors at 1 institution in 1 country.

Shi JinDepartment of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
Gwendolyn J Anderson
Robert T Kennedy
University of Michigan–Ann Arbor · US

Funding

Regional Pilot And Feasibility Study Grants ProgramP30DK020572 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI DAVID P OLSON · 2013 to 2026
$24.3M
Design and Use of Methods for Peptide Secretion Studies - Diversity SupplementR37DK046960 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI KENNEDY, ROBERT T · 2006 to 2015
$3.0M
High throughput mass spectrometry and electrophoresis assay systemsR01GM102236 · NIGMS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI KENNEDY, ROBERT T · 2012 to 2015
$1.1M
NIDDK NIH HHS P30 DK020572NIDDK NIH HHS R37 DK046960NIGMS NIH HHS R01 GM102236
6 · The paper itself

Abstract

Western blotting is a commonly used assay for proteins. Despite the utility of the method, it is also characterized by long analysis times, manual operation, and lack of established miniaturized counterpart. We report a new way to Western blot that addresses these limitations. In the method, sodium dodecyl sulfate (SDS)-protein complexes are separated by sieving electrophoresis in a microfluidic device or chip. The chip is interfaced to a moving membrane so that proteins are captured in discrete zones as they migrate from the chip. Separations of SDS-protein complexes in the molecular weight range of 11-155 kDa were completed in 2 min with 4 × 10(4) theoretical plates at 460 V/cm. Migration time and peak area relative standard deviations were 3-6% and 0.2%, respectively. Detection limit for actin was 0.7 nM. Assays for actin, AMP-kinase, carbonic anhydrase, and lysozyme are shown to demonstrate versatility of the method. Total analysis time including immunoassay was 22-32 min for a single sample. Because processing membrane for immunoassay is the slow step of the assay, sequential injections from different reservoirs on the chip and capture in different tracks on the same membrane allow increased throughput. As a demonstration, 9 injections were collected on one membrane and analyzed in 43 min (~5 min/sample). Further improvements in throughput are possible with more reservoirs or parallel channels.

Indexed as

Membranes, ArtificialAnimalsBlotting, WesternCells, CulturedChickensEgg ProteinsElectrophoresis, MicrochipEgg ProteinsMembranes, Artificial

Identifiers

PMID23672369
PMCPMC3696989
OpenAlexW2010919203

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.