Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Sep 10;236:122868. doi: 10.1016/j.talanta.2021.122868

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 Elsevier B.V. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

PMC Copyright notice

Fig. 1 — (I) Feasibility assay: (a) DNA7/PEI-Ru@Ti₃C₂@AuNPs modified electrode, (b) 1000 aM target DNA tested by using this system (with 100 pM DNA modified AuNP and 50 nM CRISPR-Cas12a/gRNA), (c) DNA7/PEI-Ru@Ti₃C₂@AuNPs modified electrode treated with 1000 aM target DNA and 50 nM CRISPR-Cas12a/gRNA (without DNA modified AuNP), and (d) DNA7/PEI-Ru@Ti₃C₂@AuNPs modified electrode treated with 1000 aM target DNA and 100 pM DNA modified AuNP (without CRISPR-Cas12a/gRNA). (II) SEM image of PEI-Ru@Ti₃C₂@AuNPs composites. (B–G) Elemental distribution mapping spectra of PEI-Ru@Ti₃C₂@AuNPs composites, C, N, Au, O, Ru, and Ti.