Evidence map›Paper›PMID 34519933›Full record

ArticleJournal of fluorescence2021

A Novel Fluorescence Nanobiosensor based on Modified Graphene Quantum dots-HTAB for Early Detection of Fetal Sexuality with Cell Free Fetal DNA.

Mahdi Rahaie, Bita Ostad-Hasanzadeh, Farnoush Faridbod

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Article in Journal of fluorescence, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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5citing papers in PubMed
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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.

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3 · Its place in the literature

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5 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Mahdi RahaieDepartment of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, 14399-57131, Tehran, Iran. mrahaie@ut.ac.ir.ORCID http://orcid.org/0000-0001-9311-2260
Bita Ostad-HasanzadehDepartment of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, 14399-57131, Tehran, Iran.
Farnoush FaridbodAnalytical Chemistry Department, Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recently, prenatal diagnosis with non-invasive insight is a progressive approach in clinical medicine to prevent the birth of infants with genetic abnormalities. Cell free fetal DNA (cffDNA) makes up approximately 3-6% of the bare DNA in the mother's bloodstream which is produced during pregnancy and can be used to detect fetal sex and disease in the early stages. SRY is a gene located on the chromosome Y which determines the sex of male infants. In this work, a new nanobiosensor based on the fluorescence property of r-GQD@HTAB (reduced graphene quantum dots modified with hexadecyl trimethyl ammonium bromide) was fabricated that can identify the SRY gene in cffDNA with high sensitivity and specificity. A detection limit of 0.082 nM and the linear response range of 0.16-1.5 nM was obtained for the method. It was able to discriminate the target sequence with high specificity from the non-target sequences. This biosensor includes a new graphene quantum dot modified with a surfactant, HTAB which leads to high fluorescence emission of it and then more precise differentiation between ssDNA and DsDNA in a solution. In conclusion, it provides a novel analytical tool for detection of small amount of DNA and fetal sex and genetic diseases in early stage with prenatal and noninvasive tests and applicable for clinical use.

Indexed as

Biosensing TechniquesNanotechnologyPrenatal DiagnosisSexualityCell-Free Nucleic AcidsFluorescenceGraphiteHumansQuantum DotsSurface-Active AgentsCell-Free Nucleic AcidsGraphiteSurface-Active AgentscffDNAFluorescenceNanobiosensorr-GQD@HTABSex determinationSRY gene

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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.