Evidence map›Paper›PMID 34123223›Full record

ArticleChemical science2020

A serological aptamer-assisted proximity ligation assay for COVID-19 diagnosis and seeking neutralizing aptamers.

Ran Liu, Lei He, Yuansheng Hu, Zhaofeng Luo, Jingjing Zhang

Open access · diamondAbstract read
In one paragraph

Article in Chemical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed
6.8field-weighted citation impact, top 2% 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

57 citing papers in PubMed, 105 citations in OpenAlex.

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  9. DNA-Encoded Peptide Library Synthesis and Applications, a Mini-Review.Methods in molecular biology (Clifton, N.J.) · 2025
    Review
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  11. Article
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  16. Aptamers 101: aptamer discovery andChemical science · 2023
    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

5 authors at 3 institutions in 2 countries.

Ran LiuState Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China jing15209791@nju.edu.cn.ORCID https://orcid.org/0000-0002-6868-2947
Lei HeHefei National Laboratory for Physical Science at the Microscale, Core Facility Center for Life Sciences, School of Life Sciences, University of Science and Technology of China Hefei 230026 China.
Yuansheng HuThe Third Affiliated Hospital of Anhui Medical University, Binhu Hospital of Hefei City Hefei 230022 China.
Zhaofeng LuoHefei National Laboratory for Physical Science at the Microscale, Core Facility Center for Life Sciences, School of Life Sciences, University of Science and Technology of China Hefei 230026 China.
Jingjing ZhangState Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China jing15209791@nju.edu.cn.ORCID https://orcid.org/0000-0002-1041-793X
State Key Laboratory of Analytical Chemistry for Life ScienceUniversity of Science and Technology of China · CNAnhui Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Rapid and accurate diagnosis of COVID-19 plays an essential role in the current epidemic prevention and control. Despite the promise of nucleic acid and antibody tests, there is still a great challenge to reduce the misdiagnosis, especially for asymptomatic individuals. Here we report a generalizable method for highly specific and ultrasensitive detection of serum COVID-19-associated antigens based on an aptamer-assisted proximity ligation assay. The sensor is based on binding two aptamer probes to the same protein target that brings the ligation DNA region into close proximity, thereby initiating ligation-dependent qPCR amplification. Using this system, serum nucleocapsid protein has been detected quantitatively by converting protein recognition into a detectable qPCR signal using a simple, homogeneous and fast detection workflow in ∼2 hours. In addition, this system has also been transformed into a universal platform for measuring specific interactions between spike S1 and its receptor ACE2, and more importantly demonstrated the feasibility for screening and investigation of potential neutralizing aptamers. Since

Identifiers

PMID34123223
PMCPMC8162504
OpenAlexW3093249998

What OpenQuestion holds

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LicenceCC BY-NC
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.