Evidence map›Paper›PMID 33255151›Full record

ArticleMicromachines2020

A Double-Deck Self-Digitization Microfluidic Chip for Digital PCR.

Gangwei Xu, Huaqing Si, Fengxiang Jing, Peng Sun, Dan Zhao, Dongping Wu

Abstract read
In one paragraph

Article in Micromachines, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing 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

8 citing papers in PubMed.

  1. Article
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  4. Review
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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

6 authors.

Gangwei XuState Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.
Huaqing SiState Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.
Fengxiang JingTurtle Technology Company Limited, Shanghai 200439, China.
Peng SunState Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.
Dan ZhaoState Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.
Dongping WuState Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.

Funding

National Natural Science Foundation of China 61474028
6 · The paper itself

Abstract

In this work, a double-deck microfluidic chip was presented for digital PCR application. This chip consists of two reverse-placed micro-patterned polydimethylsiloxane (PDMS) layers between the top and bottom glass substrates. Each micropatterned PDMS layer contains more than 20,000 cylindrical micro-chambers to hold the partitioned droplets. The double-deck designs can double the number of chambers and reagent capacity without changing the planar area of the chip. In addition, carbon black was mixed into the pure PDMS gel to obstruct the passage of fluorescence from the positive chambers between the two layers of the chip. Thus, the fluorescence signal of micro-chambers in different layers of the chip after PCR can be collected without mutual interference. The quantitative capability of the proposed chip was evaluated by measuring a 10-fold serial dilution of the DNA template. A high accuracy of the absolute quantification for nucleic acid with a dynamic range of 10

Indexed as

digital polymerase chain reactiondouble-deckmicrofluidic chip

Identifiers

PMID33255151
PMCPMC7759810

What OpenQuestion holds

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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.