Evidence map›Paper›PMID 25653062›Full record

ArticleBiomedical microdevices2015

Printing cell-laden gelatin constructs by free-form fabrication and enzymatic protein crosslinking.

Scott A Irvine, Animesh Agrawal, Bae Hoon Lee, Hui Yee Chua, Kok Yao Low, Boon Chong Lau, Marcelle Machluf, Subbu Venkatraman

Abstract read
In one paragraph

Article in Biomedical microdevices, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed, 1 pooled it
–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

39 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Bioprintable Janus Base Nano-Matrix for Improved Cartilage Tissue Engineering.Regenerative engineering and translational medicine · 2026
    Article
  5. Review
  6. Toward Origami-Inspired In Vitro Cardiac Tissue Models.ACS biomaterials science & engineering · 2025
    Article
  7. Review
  8. Biomaterials for extrusion-based bioprinting and biomedical applications.Frontiers in bioengineering and biotechnology · 2024
    Review
  9. Bioprinting of gelatin-based materials for orthopedic application.Frontiers in bioengineering and biotechnology · 2024
    Review
  10. Review
  11. Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. 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

8 authors.

Scott A IrvineMaterials and Science Engineering, Division of Materials Technology, Nanyang Technological University, N4.1-01-30, 50 Nanyang Ave, Singapore, 639798, Singapore.
Animesh Agrawal
Bae Hoon Lee
Hui Yee Chua
Kok Yao Low
Boon Chong Lau
Marcelle Machluf
Subbu Venkatraman

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Considerable interest has arisen in precision fabrication of cell bearing scaffolds and structures by free form fabrication. Gelatin is an ideal material for creating cell entrapping constructs, yet its application in free form fabrication remains challenging. We demonstrate the use of gelatin, crosslinked with microbial transglutaminase (mTgase), as a material to print cell bearing hydrogels for both 2-dimensional (2-D) precision patterns and 3-dimensional (3-D) constructs. The precision patterning was attained with 3 % gelatin and 2 % high molecular weight poly (ethylene oxide) (PEO) whereas 3-D constructs were obtained using a 5 % gelatin solution. These hydrogels, referred to as "bioinks" supported entrapped cell growth, allowing cell spreading and proliferation for both HEK293 cells and Human Umbilical Vein Endothelial Cells (HUVECs). These bioinks were shown to be dispensable by robotic precision, forming patterns and constructs that were insoluble and of suitable stiffness to endure post gelation handling. The two bioinks were further characterized for fabrication parameters and mechanical properties.

Indexed as

Materials TestingGelatinHEK293 CellsHumansHuman Umbilical Vein Endothelial CellsHydrogelsTissue ScaffoldsTransglutaminasesGelatinHydrogelsTransglutaminases

Identifiers

PMID25653062
PMCPMC4317521

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.