Evidence map›Paper›PMID 26782964›Full record

ArticleBiomedical microdevices2016

Protein patterning by microcontact printing using pyramidal PDMS stamps.

Luisa Filipponi, Peter Livingston, Ondřej Kašpar, Viola Tokárová, Dan V Nicolau

Abstract read
In one paragraph

Article in Biomedical microdevices, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed.

  1. Strategies for Multiplexing Plasmonic Biosensing.Sensors (Basel, Switzerland) · 2026
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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.

Luisa FilipponiIndustrial Research Institute Swinburne, Faculty of Engineering and Industrial Science, Swinburne University of Technology, PO Box 218, VIC, 3122, Australia.
Peter LivingstonIndustrial Research Institute Swinburne, Faculty of Engineering and Industrial Science, Swinburne University of Technology, PO Box 218, VIC, 3122, Australia.
Ondřej KašparFaculty of Engineering, Department of Bioengineering, McGill University, Macdonald Engineering Building, Room 378, 817 Sherbrooke Street West, Montreal, QC, H3A 0C3, Canada.
Viola TokárováFaculty of Engineering, Department of Bioengineering, McGill University, Macdonald Engineering Building, Room 378, 817 Sherbrooke Street West, Montreal, QC, H3A 0C3, Canada.
Dan V NicolauIndustrial Research Institute Swinburne, Faculty of Engineering and Industrial Science, Swinburne University of Technology, PO Box 218, VIC, 3122, Australia. dan.nicolau@mcgill.ca.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Micro-contact printing, μCP, is a well-established soft-lithography technique for printing biomolecules. μCP uses stamps made of Poly(dimethylsiloxane), PDMS, made by replicating a microstructured silicon master fabricated by semiconductor manufacturing processes. One of the problems of the μCP is the difficult control of the printing process, which, because of the high compressibility of PDMS, is very sensitive to minute changes in the applied pressure. This over-sensitive response leads to frequent and/or uncontrollable collapse of the stamps with high aspect ratios, thus decreasing the printing accuracy and reproducibility. Here we present a straightforward methodology of designing and fabricating PDMS structures with an architecture which uses the collapse of the stamp to reduce, rather than enlarge the variability of the printing. The PDMS stamp, organized as an array of pyramidal micro-posts, whose ceiling collapses when pressed on a flat surface, replicates the structure of the silicon master fabricated by anisotropic wet etching. Upon application of pressure, depending on the size of, and the pitch between, the PDMS pyramids, an air gap is formed surrounding either the entire array, or individual posts. The printing technology, which also exhibits a remarkably low background noise for fluorescence detection, may find applications when the clear demarcation of the shapes of protein patterns and the distance between them are critical, such as microarrays and studies of cell patterning.

Indexed as

DimethylpolysiloxanesAnimalsImmunoglobulin GProtein Array AnalysisRabbitsbaysilonDimethylpolysiloxanesImmunoglobulin GMicrocontact printingPoly(dimethylsiloxane) microstructuresProtein microarraysProtein patterningSoft-lithography

Identifiers

PMID26782964
PMCPMC4718951

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Registered trials

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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.