Evidence map›Paper›PMID 33915435›Full record

ArticleBiosensors & bioelectronics2021

Ultra-fast and recyclable DNA biosensor for point-of-care detection of SARS-CoV-2 (COVID-19).

Chuljin Hwang, Nakkyun Park, Eun Seong Kim, Miran Kim, Su Dong Kim, Sungjun Park, Nam Young Kim, Joo Hee Kim

Open access · greenAbstract read
In one paragraph

Article in Biosensors & bioelectronics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 1 pooled it
6.1field-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

40 citing papers in PubMed, 1 synthesis or guideline pooled it, 85 citations in OpenAlex.

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  8. Asymmetric Schottky Barrier-Generated MoSNanomaterials (Basel, Switzerland) · 2024
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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 at 2 institutions in 1 country.

Chuljin HwangCollege of Pharmacy, Ajou University, Suwon 16499, South Korea.
Nakkyun ParkCollege of Pharmacy, Ajou University, Suwon 16499, South Korea.
Eun Seong KimElectronic Engineering, Kwangwoon University, Seoul 01897, South Korea.
Miran KimAjou University School of Medicine, Suwon 16499, South Korea.
Su Dong KimGraduate School of Clinical Pharmacy and Pharmaceutics, Ajou University, Suwon,16499, South Korea.
Sungjun ParkDepartment of Electrical and Computer Engineering, Ajou University, Suwon 16499, South Korea. Electronic address: sj0223park@ajou.ac.kr.
Nam Young KimElectronic Engineering, Kwangwoon University, Seoul 01897, South Korea; Graduate School of Clinical Pharmacy and Pharmaceutics, Ajou University, Suwon,16499, South Korea. Electronic address: nykim@kw.ac.kr.
Joo Hee KimCollege of Pharmacy, Ajou University, Suwon 16499, South Korea; Graduate School of Clinical Pharmacy and Pharmaceutics, Ajou University, Suwon,16499, South Korea. Electronic address: elisekim@ajou.ac.kr.
Ajou University · KRKwangwoon University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Rapid diagnosis and case isolation are pivotal to controlling the current pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this study, a label-free DNA capacitive biosensor for the detection of SARS-CoV-2 that demonstrates real-time, low-cost, and high-throughput screening of nucleic acid samples is presented. Our novel biosensor composed of the interdigitated platinum/titanium electrodes on the glass substrate can detect the hybridization of analyte DNA with probe DNA. The hybridization signals of specific DNA sequences were verified through exhaustive physicochemical analytical techniques such as Fourier transform infrared (FT-IR) spectrometry, contact-angle analysis, and capacitance-frequency measurements. For a single-step hybridized reaction, the fabricated kit exhibited significant sensitivity (capacitance change, ΔC = ~2 nF) in detecting the conserved region of the SARS-CoV-2 RNA-dependent RNA polymerase (RdRp) gene with high sensitivity of 0.843 nF/nM. In addition to capacitive measurements, this selective detection was confirmed by the fluorescence image and intensity from a SARS-CoV-2 gene labeled with a fluorescent dye. We also demonstrated that the kits are recyclable by surface ozone treatment using UV irradiation. Thus, these kits could potentially be applied to various types of label-free DNA, thereby acting as rapid, cost-effective biosensors for several diseases.

Indexed as

Biosensing TechniquesCOVID-19DNAHumansPoint-of-Care SystemsRNA, ViralSARS-CoV-2Sensitivity and SpecificitySpectroscopy, Fourier Transform InfraredDNARNA, ViralCapacitance transducerElectrochemical DNA detectionPoint-of-care diagnosticsRecyclable biosensorSARS-CoV-2

Identifiers

PMID33915435
PMCPMC7987504
OpenAlexW3137136950

What OpenQuestion holds

Textmetadata
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.