Evidence map›Paper›PMID 28101134›Full record

ArticleJournal of biological engineering2017

Single cell isolation process with laser induced forward transfer.

Yu Deng, Philippe Renaud, Zhongning Guo, Zhigang Huang, Ying Chen

Open access · goldAbstract read
In one paragraph

Article in Journal of biological engineering, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.6field-weighted citation impact, top 19% 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

9 citing papers in PubMed, 37 citations in OpenAlex.

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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 at 2 institutions in 2 countries.

Yu DengSchool of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, 510006 China ; Microsystems Laboratory, STI-LMIS, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland ; Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou, 510006 China.
Philippe RenaudMicrosystems Laboratory, STI-LMIS, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland.
Zhongning GuoSchool of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, 510006 China.
Zhigang HuangSchool of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, 510006 China.
Ying ChenGuangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou, 510006 China.
Guangdong University of Technology · CNÉcole Polytechnique Fédérale de Lausanne · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundA viable single cell is crucial for studies of single cell biology. In this paper, laser-induced forward transfer (LIFT) was used to isolate individual cell with a closed chamber designed to avoid contamination and maintain humidity. Hela cells were used to study the impact of laser pulse energy, laser spot size, sacrificed layer thickness and working distance. The size distribution, number and proliferation ratio of separated cells were statistically evaluated. Glycerol was used to increase the viscosity of the medium and alginate were introduced to soften the landing process.

resultsThe role of laser pulse energy, the spot size and the thickness of titanium in energy absorption in LIFT process was theoretically analyzed with Lambert-Beer and a thermal conductive model. After comprehensive analysis, mechanical damage was found to be the dominant factor affecting the size and proliferation ratio of the isolated cells. An orthogonal experiment was conducted, and the optimal conditions were determined as: laser pulse energy, 9 μJ; spot size, 60 μm; thickness of titanium, 12 nm; working distance, 700 μm;, glycerol, 2% and alginate depth, greater than 1 μm. With these conditions, along with continuous incubation, a single cell could be transferred by the LIFT with one shot, with limited effect on cell size and viability.

conclusionLIFT conducted in a closed chamber under optimized condition is a promising method for reliably isolating single cells.

Indexed as

Cell damageLaser induced forward transferMechanical stressProliferationSingle cell isolation

Identifiers

PMID28101134
PMCPMC5237295
OpenAlexW2574550001

What OpenQuestion holds

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LicenceCC BY
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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.